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.mb-2{margin-bottom:.5rem}.js-course-lesson-9-2 .mb-3{margin-bottom:1rem}.js-course-lesson-9-2 .mb-4{margin-bottom:1.5rem}.js-course-lesson-9-2 .mr-2{margin-right:.5rem}.js-course-lesson-9-2 .text-danger{color:var(--danger)!important}.js-course-lesson-9-2 .text-primary{color:var(--primary)!important}.js-course-lesson-9-2 .text-vue{color:var(--primary-dark)!important;font-weight:800}.js-course-lesson-9-2 .text-center{text-align:center}.js-course-lesson-9-2 .font-weight-bold{font-weight:700}.js-course-lesson-9-2 a{text-decoration:none;color:inherit}.js-course-lesson-9-2 ul.styled-list{margin-left:1.5rem}.js-course-lesson-9-2 ul.styled-list li{margin-bottom:.5rem}.js-course-lesson-9-2 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#75cdebf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid 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.exercice-header .icon{font-size:1.5rem;color:var(--primary)}.js-course-lesson-9-2 .exercice-header h3{font-size:1.3rem;font-weight:800;margin:0;color:#fff}.js-course-lesson-9-2 .exercice-body{padding:25px}.js-course-lesson-9-2 .interactive-form{padding:25px;border-radius:var(--radius-md);border:1px solid var(--border-light);margin-top:20px}.js-course-lesson-9-2 .js-form-bg{background:linear-gradient(to right,#fff,#f8fafc);border-left:4px solid var(--secondary)}.js-course-lesson-9-2 .todo-simulator{max-width:450px;margin:0 auto;font-family:Arial,sans-serif}.js-course-lesson-9-2 .todo-input-group{display:flex;gap:10px;margin-bottom:20px}.js-course-lesson-9-2 .form-control{flex:1;padding:10px 15px;border:1px solid #cbd5e1;border-radius:6px;font-size:1rem}.js-course-lesson-9-2 .form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #41b88333}.js-course-lesson-9-2 .btn-vue{background:var(--primary);color:#fff;border:none;padding:10px 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.icon{font-size:1.5rem;color:var(--primary-light)}.js-course-lesson-6-2 .exercice-header h3{font-size:1.3rem;font-weight:800;margin:0;color:#fff}.js-course-lesson-6-2 .exercice-body{padding:25px}.js-course-lesson-6-2 .code-panel{background:#1e293b;color:#e2e8f0;padding:20px;border-radius:8px;margin:15px 0;overflow-x:auto}.js-course-lesson-6-2 .code-panel h4{color:var(--primary);margin-bottom:15px;font-size:1rem}.js-course-lesson-6-2 .btn-primary,.js-course-lesson-6-2 .btn-secondary,.js-course-lesson-6-2 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s ease;border:none}.js-course-lesson-6-2 .btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px #f39c124d}.js-course-lesson-6-2 .btn-primary:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.js-course-lesson-6-2 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.action-footer:not(.space-between){justify-content:center}.js-course-lesson-3-2 .pulse-btn{animation:pulse 2s infinite}.js-course-lesson-3-2 .correction-content{background:var(--bg-body);border-radius:8px;margin-top:15px;animation:slideDown .3s ease-out}.js-course-lesson-3-2 .quiz-progress-bar{height:6px;background:var(--border-light);border-radius:3px;overflow:hidden}.js-course-lesson-3-2 .quiz-progress-fill{height:100%;background:var(--primary);transition:width .3s ease}.js-course-lesson-3-2 .quiz-question{padding:30px 0}.js-course-lesson-3-2 .quiz-question h4{font-size:1.25rem;color:var(--secondary);margin-bottom:25px;line-height:1.5;font-weight:800}.js-course-lesson-3-2 .quiz-options{display:flex;flex-direction:column;gap:12px}.js-course-lesson-3-2 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 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.feedback-msg.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca;cursor:pointer}.js-course-lesson-3-2 .feedback-msg.error:hover{opacity:.9}.js-course-lesson-3-2 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.js-course-lesson-3-2 .score-icon{font-size:4rem;color:var(--primary);margin-bottom:10px}.js-course-lesson-3-2 .big-score{font-size:5rem;font-weight:800;color:var(--secondary);line-height:1;margin:20px 0}.js-course-lesson-3-2 .total-score{font-size:2rem;color:var(--text-muted)}.js-course-lesson-3-2 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.js-course-lesson-3-2 .quiz-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.js-course-lesson-3-2 .site-footer{background:#0f172a;color:#f1f5f9;padding:40px 5%;margin-top:auto}.js-course-lesson-3-2 .footer-container{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:30px}.js-course-lesson-3-2 .footer-left{display:flex;flex-direction:column;gap:8px}.js-course-lesson-3-2 .credits{font-size:.9rem;color:#94a3b8}.js-course-lesson-3-2 .credits a{color:var(--primary);font-weight:700;transition:.2s}.js-course-lesson-3-2 .credits a:hover{color:var(--primary-light);text-decoration:underline}.js-course-lesson-3-2 .lang-selector{display:flex;align-items:center;gap:10px;background:#ffffff1a;padding:10px 20px;border-radius:30px}.js-course-lesson-3-2 .lang-btn{background:transparent;color:#94a3b8;border:1px solid transparent;padding:5px 12px;border-radius:15px;cursor:pointer;font-weight:700;transition:.3s}.js-course-lesson-3-2 .lang-btn:hover{color:#fff}.js-course-lesson-3-2 .lang-btn.active{background:var(--primary);color:#fff;box-shadow:0 2px 8px #0003}.js-course-lesson-3-2 #celebration{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;display:none;overflow:hidden}.js-course-lesson-3-2 .confetti-piece{position:absolute;top:-20px;width:10px;height:20px;animation:fall linear forwards;border-radius:2px}.js-course-lesson-3-2 .text-right{text-align:right}.js-course-lesson-3-2 .discreet-download{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;font-weight:600;color:var(--text-muted);padding:6px 12px;border-radius:6px;background:var(--bg-body);border:1px solid var(--border-light);transition:.2s}.js-course-lesson-3-2 .discreet-download i{color:var(--primary-dark);font-size:1rem}.js-course-lesson-3-2 .discreet-download:hover{color:var(--primary-dark);background:#fff;border-color:var(--primary-dark);box-shadow:var(--shadow-sm)}@media(max-width:992px){.js-course-lesson-3-2 .container{flex-direction:column;margin-top:20px}.js-course-lesson-3-2 .sidebar{width:100%;position:static;order:2;margin-top:30px}.js-course-lesson-3-2 .main-content{order:1;padding:30px;width:100%}.js-course-lesson-3-2 .grid-2-cols{grid-template-columns:1fr}.js-course-lesson-3-2 .hero-header h1{font-size:2rem}.js-course-lesson-3-2 .hero-icon{right:-5%;opacity:.2}}@media(max-width:768px){.js-course-lesson-3-2 .nav-left .nav-links{display:none}.js-course-lesson-3-2 .quiz-actions{flex-direction:column}.js-course-lesson-3-2 .footer-container{flex-direction:column;align-items:flex-start}.js-course-lesson-3-2 .action-footer.space-between{flex-direction:column;gap:15px}.js-course-lesson-3-2 .btn-primary,.js-course-lesson-3-2 .btn-secondary,.js-course-lesson-3-2 .btn-check{width:100%;justify-content:center}.js-course-lesson-3-2 .action-buttons-grid{flex-direction:column}}:root{--primary: #f39c12;--primary-light: #f1c40f;--primary-dark: #e67e22;--secondary: #0a253f;--accent: #e74c3c;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: 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.brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--secondary)}.js-course-lesson-2-2 .brand-logo img{border-radius:8px}.js-course-lesson-2-2 .nav-links{display:flex;gap:20px}.js-course-lesson-2-2 .nav-link{font-weight:700;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.js-course-lesson-2-2 .nav-link:hover{color:var(--primary)}.js-course-lesson-2-2 .user-profile{display:flex;align-items:center;gap:10px;cursor:pointer;position:relative;padding:5px 10px;border-radius:30px;transition:.3s}.js-course-lesson-2-2 .user-profile:hover{background:var(--bg-body)}.js-course-lesson-2-2 .user-profile .avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--primary)}.js-course-lesson-2-2 .user-name{font-weight:700;font-size:.95rem}.js-course-lesson-2-2 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.hero-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:start;justify-content:center;margin:0;max-width:800px}.js-course-lesson-2-2 .breadcrumb{font-size:.9rem;color:var(--primary);margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#f39c1226;padding:6px 15px;border-radius:20px;font-weight:700}.js-course-lesson-2-2 .hero-header h1{font-size:2.5rem;font-weight:800;margin-bottom:10px;letter-spacing:-.5px}.js-course-lesson-2-2 .hero-header p{font-size:1.15rem;color:#fffc}.js-course-lesson-2-2 .hero-icon{font-size:8rem;color:#f39c1226;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.js-course-lesson-2-2 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.js-course-lesson-2-2 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px 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#celebration{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;display:none;overflow:hidden}.js-course-lesson-2-2 .confetti-piece{position:absolute;top:-20px;width:10px;height:20px;animation:fall linear forwards;border-radius:2px}@media(max-width:992px){.js-course-lesson-2-2 .container{flex-direction:column;margin-top:20px}.js-course-lesson-2-2 .sidebar{width:100%;position:static;order:2;margin-top:30px}.js-course-lesson-2-2 .main-content{order:1;padding:30px;width:100%}.js-course-lesson-2-2 .grid-2-cols{grid-template-columns:1fr}.js-course-lesson-2-2 .hero-header h1{font-size:2rem}.js-course-lesson-2-2 .hero-icon{right:-5%;opacity:.2}}@media(max-width:768px){.js-course-lesson-2-2 .nav-left .nav-links{display:none}.js-course-lesson-2-2 .quiz-actions{flex-direction:column}.js-course-lesson-2-2 .footer-container{flex-direction:column;align-items:flex-start}.js-course-lesson-2-2 .action-footer.space-between{flex-direction:column;gap:15px}.js-course-lesson-2-2 .btn-primary,.js-course-lesson-2-2 .btn-secondary{width:100%;justify-content:center}}.js-course-lesson-10-2{--primary: #f39c12;--primary-light: #f1c40f;--primary-dark: #e67e22;--secondary: #2c3e50;--accent: #e74c3c;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--danger-light: #fef2f2;--success: #10b981;--success-light: #ecfdf5;--warning: #f59e0b;--warning-light: #fffbeb;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}.js-course-lesson-10-2 .math-font,.js-course-lesson-10-2 pre,.js-course-lesson-10-2 code{font-family:var(--font-math)!important;font-size:.95em}.js-course-lesson-10-2 .mt-2{margin-top:.5rem}.js-course-lesson-10-2 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.dropdown-divider{height:1px;background:var(--border-light);margin:5px 0}.js-course-lesson-10-2 .hero-header{padding-block:128px;background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;padding-inline:5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.js-course-lesson-10-2 .hero-header.js-theme{border-bottom:4px solid var(--primary)}.js-course-lesson-10-2 .hero-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:start;justify-content:center;margin:0;max-width:800px}.js-course-lesson-10-2 .breadcrumb{font-size:.9rem;color:#cbd5e1;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#ffffff1a;padding:6px 15px;border-radius:20px}.js-course-lesson-10-2 .hero-header h1{font-size:2.5rem;font-weight:800;margin-bottom:10px;letter-spacing:-.5px;color:var(--primary-light)}.js-course-lesson-10-2 .hero-header p{font-size:1.15rem;color:#94a3b8}.js-course-lesson-10-2 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.mb-4{margin-bottom:1.5rem}.js-course-lesson-10-1 .mr-2{margin-right:.5rem}.js-course-lesson-10-1 .text-danger{color:var(--danger)!important}.js-course-lesson-10-1 .text-primary{color:var(--primary-dark)!important}.js-course-lesson-10-1 .text-center{text-align:center}.js-course-lesson-10-1 .font-weight-bold{font-weight:700}.js-course-lesson-10-1 a{text-decoration:none;color:inherit}.js-course-lesson-10-1 ul.styled-list{margin-left:1.5rem}.js-course-lesson-10-1 ul.styled-list li{margin-bottom:.5rem}.js-course-lesson-10-1 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#75cdebf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.js-course-lesson-10-1 .nav-left{display:flex;align-items:center;gap:40px}.js-course-lesson-10-1 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--secondary)}.js-course-lesson-10-1 .brand-logo img{border-radius:8px}.js-course-lesson-10-1 .nav-links{display:flex;gap:20px}.js-course-lesson-10-1 .nav-link{font-weight:600;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.js-course-lesson-10-1 .nav-link:hover{color:var(--primary)}.js-course-lesson-10-1 .user-profile{display:flex;align-items:center;gap:10px;cursor:pointer;position:relative;padding:5px 10px;border-radius:30px;transition:.3s}.js-course-lesson-10-1 .user-profile:hover{background:var(--bg-body)}.js-course-lesson-10-1 .user-profile .avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--primary)}.js-course-lesson-10-1 .user-name{font-weight:700;font-size:.95rem}.js-course-lesson-10-1 .dropdown-menu{position:absolute;top:120%;right:0;background:var(--bg-surface);width:220px;border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:1px solid var(--border-light);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s ease}.js-course-lesson-10-1 .dropdown-menu.show{opacity:1;visibility:visible;transform:translateY(0)}.js-course-lesson-10-1 .dropdown-item{display:flex;align-items:center;gap:12px;padding:12px 20px;font-weight:600;color:var(--text-main);transition:.2s}.js-course-lesson-10-1 .dropdown-item:hover{background:var(--bg-body);color:var(--primary)}.js-course-lesson-10-1 .dropdown-divider{height:1px;background:var(--border-light);margin:5px 0}.js-course-lesson-10-1 .hero-header{padding-block:128px;background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;padding-inline:5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.js-course-lesson-10-1 .hero-header.js-theme{border-bottom:4px 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320px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.js-course-lesson-10-1 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-weight:800}.js-course-lesson-10-1 .module-list{list-style:none}.js-course-lesson-10-1 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;color:var(--text-main);border-left:3px solid transparent}.js-course-lesson-10-1 .module-item i{width:20px;text-align:center;color:var(--text-muted);transition:.3s}.js-course-lesson-10-1 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.js-course-lesson-10-1 .module-item.active{background:#fffbeb;color:var(--secondary);border-left-color:var(--primary)}.js-course-lesson-10-1 .module-item.active 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.module-title{color:var(--secondary);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.js-course-lesson-10-1 .module-title i{color:var(--primary)}.js-course-lesson-10-1 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.js-course-lesson-10-1 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--text-muted);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:var(--shadow-sm)}.js-course-lesson-10-1 .methode-box.js-theme{border-left-color:var(--primary);background:#fdfdfc}.js-course-lesson-10-1 .methode-box.alert-theme{border-left-color:var(--warning);background:var(--warning-light)}.js-course-lesson-10-1 .methode-box h3{color:var(--secondary);margin-bottom:12px;font-size:1.25rem;font-weight:800}.js-course-lesson-10-1 .grid-2-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}.js-course-lesson-10-1 pre[class*=language-]{border-radius:8px;margin:15px 0;box-shadow:inset 0 0 10px #00000080;border:1px solid #334155}.js-course-lesson-10-1 .image-container{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;margin:35px 0;background:var(--bg-body);padding:20px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.js-course-lesson-10-1 .course-image{max-width:100%;height:auto;max-height:400px;object-fit:cover;border-radius:8px;box-shadow:var(--shadow-md)}.js-course-lesson-10-1 .image-caption{margin-top:10px;font-size:.9rem;color:var(--text-muted);font-style:italic}.js-course-lesson-10-1 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);margin:30px 0}.js-course-lesson-10-1 .exercice-header{background:var(--secondary);padding:20px 25px;display:flex;align-items:center;gap:15px;color:#fff}.js-course-lesson-10-1 .exercice-header .icon{font-size:1.5rem;color:var(--primary-light)}.js-course-lesson-10-1 .exercice-header h3{font-size:1.3rem;font-weight:800;margin:0;color:#fff}.js-course-lesson-10-1 .exercice-body{padding:25px}.js-course-lesson-10-1 .interactive-form{padding:25px;border-radius:var(--radius-md);border:1px solid var(--border-light);margin-top:20px}.js-course-lesson-10-1 .js-form-bg{background:linear-gradient(to right,#fff,#f8fafc);border-left:4px solid var(--secondary)}.js-course-lesson-10-1 .banking-controls{display:flex;gap:20px;flex-wrap:wrap}.js-course-lesson-10-1 .input-group{flex:1;min-width:200px;display:flex;flex-direction:column;gap:8px}.js-course-lesson-10-1 .form-control{padding:10px 15px;border:1px solid var(--border-light);border-radius:6px;font-size:1rem}.js-course-lesson-10-1 .form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #f39c1233}.js-course-lesson-10-1 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.nav-links{display:none}.js-course-lesson-10-1 .quiz-actions{flex-direction:column}.js-course-lesson-10-1 .footer-container{flex-direction:column;align-items:flex-start}.js-course-lesson-10-1 .action-footer.space-between{flex-direction:column;gap:15px}.js-course-lesson-10-1 .btn-primary,.js-course-lesson-10-1 .btn-secondary,.js-course-lesson-10-1 .btn-outline-primary{width:100%;justify-content:center}.js-course-lesson-10-1 .action-buttons-grid,.js-course-lesson-10-1 .banking-controls{flex-direction:column}}.js-course-lesson-1-2{--primary: #d4b800;--primary-light: #fce21b;--primary-dark: #323330;--secondary: #f7df1e;--accent: #f59e0b;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--danger-light: #fef2f2;--success: #22c55e;--success-light: #f0fdf4;--warning: #f97316;--warning-light: #fff7ed;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 32px rgba(247, 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.text-danger{color:var(--danger)!important}.js-course-lesson-1-2 .text-center{text-align:center}.js-course-lesson-1-2 pre[class*=language-]{border-radius:8px;font-family:var(--font-math);font-size:.9rem;margin:10px 0}.js-course-lesson-1-2 code[class*=language-],.js-course-lesson-1-2 pre[class*=language-]{text-shadow:none}.js-course-lesson-1-2 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#75cdebf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.js-course-lesson-1-2 .nav-left{display:flex;align-items:center;gap:40px}.js-course-lesson-1-2 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark)}.js-course-lesson-1-2 .brand-logo img{border-radius:8px}.js-course-lesson-1-2 .nav-links{display:flex;gap:20px}.js-course-lesson-1-2 .nav-link{font-weight:700;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.js-course-lesson-1-2 .nav-link:hover{color:var(--primary-dark)}.js-course-lesson-1-2 .user-profile{display:flex;align-items:center;gap:10px;cursor:pointer;position:relative;padding:5px 10px;border-radius:30px;transition:.3s}.js-course-lesson-1-2 .user-profile:hover{background:var(--bg-body)}.js-course-lesson-1-2 .user-profile .avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--secondary)}.js-course-lesson-1-2 .user-name{font-weight:800;font-size:.95rem;color:var(--primary-dark)}.js-course-lesson-1-2 .dropdown-menu{position:absolute;top:120%;right:0;background:var(--bg-surface);width:220px;border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:1px solid var(--border-light);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s cubic-bezier(.4,0,.2,1)}.js-course-lesson-1-2 .dropdown-menu.show{opacity:1;visibility:visible;transform:translateY(0)}.js-course-lesson-1-2 .dropdown-item{display:flex;align-items:center;gap:12px;padding:12px 20px;font-weight:700;color:var(--text-main);transition:.2s}.js-course-lesson-1-2 .dropdown-item:hover{background:var(--bg-body);color:var(--primary-dark)}.js-course-lesson-1-2 .dropdown-divider{height:1px;background:var(--border-light);margin:5px 0}.js-course-lesson-1-2 .hero-header{padding-block:128px;background:linear-gradient(135deg,var(--primary-dark) 0%,#1e1e1e 100%);color:#fff;padding-inline:5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.js-course-lesson-1-2 .hero-content{position:relative;z-index:2;max-width:800px;display:flex;flex-direction:column;align-items:start;justify-content:center;margin:0}.js-course-lesson-1-2 .breadcrumb{font-size:.9rem;color:#ffffffb3;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#ffffff1a;padding:6px 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.module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:700;font-size:.95rem;color:var(--text-main);border-left:3px solid transparent}.js-course-lesson-1-2 .module-item i{width:20px;text-align:center;color:var(--text-muted);transition:.3s}.js-course-lesson-1-2 .module-item:hover{background:var(--bg-body);transform:translate(4px);color:var(--primary-dark)}.js-course-lesson-1-2 .module-item.active{background:#fffbeb;color:var(--primary-dark);border-left-color:var(--secondary)}.js-course-lesson-1-2 .module-item.active i{color:var(--accent)}.js-course-lesson-1-2 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.js-course-lesson-1-2 .progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:800;font-size:.9rem;color:var(--primary-dark)}.js-course-lesson-1-2 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.js-course-lesson-1-2 .progress-fill{height:100%;background:linear-gradient(90deg,var(--secondary),var(--accent));transition:width .6s cubic-bezier(.4,0,.2,1)}.js-course-lesson-1-2 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.js-course-lesson-1-2 .fade-in{animation:fadeIn .5s ease-out}.js-course-lesson-1-2 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.js-course-lesson-1-2 .module-title i{color:var(--accent)}.js-course-lesson-1-2 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px;font-weight:600}.js-course-lesson-1-2 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--text-muted);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005}.js-course-lesson-1-2 .methode-box.js-theme{border-left-color:var(--secondary);background:#fffbeb;border:1px solid #fde68a}.js-course-lesson-1-2 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light);border:1px solid #fecaca}.js-course-lesson-1-2 .methode-box.warning-theme{border-left-color:var(--warning);background:var(--warning-light);border:1px solid #fed7aa}.js-course-lesson-1-2 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.25rem;font-weight:800}.js-course-lesson-1-2 .grid-2-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}.js-course-lesson-1-2 .grid-1-col{display:grid;grid-template-columns:1fr;gap:20px}.js-course-lesson-1-2 .image-container{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.js-course-lesson-1-2 .course-image{max-width:100%;height:auto;border-radius:8px;box-shadow:var(--shadow-sm)}.js-course-lesson-1-2 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0}.js-course-lesson-1-2 .exercice-header{background:var(--primary-dark);padding:20px 25px;display:flex;align-items:center;gap:15px;color:#fff}.js-course-lesson-1-2 .exercice-header .icon{font-size:1.5rem;color:var(--secondary)}.js-course-lesson-1-2 .exercice-header h3{font-size:1.3rem;font-weight:800;color:#fff;margin:0}.js-course-lesson-1-2 .exercice-body{padding:25px}.js-course-lesson-1-2 .table-responsive{overflow-x:auto}.js-course-lesson-1-2 .data-table{width:100%;border-collapse:collapse;text-align:left}.js-course-lesson-1-2 .data-table 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h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800}.intro-generative-ai-4-1 .image-container{text-align:center;margin:35px 0;background:var(--bg-body);padding:20px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.intro-generative-ai-4-1 .course-image{max-width:100%;height:auto;max-height:400px;object-fit:contain;border-radius:8px;box-shadow:var(--shadow-sm)}.intro-generative-ai-4-1 .correction-content{background:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;padding:20px;margin-top:15px;animation:ia41SlideDown .3s ease-out}@keyframes ia41SlideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.intro-generative-ai-4-1 .btn-primary,.intro-generative-ai-4-1 .btn-secondary,.intro-generative-ai-4-1 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all 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.option-letter{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--bg-body);color:var(--primary-light);font-weight:800;font-size:.85rem;flex-shrink:0}.intro-generative-ai-4-1 .quiz-btn:hover:not(:disabled){border-color:var(--primary-light);background:#eef2ff;transform:translate(5px)}.intro-generative-ai-4-1 .quiz-btn.correct{background:#dcfce7;border-color:var(--success);color:#166534}.intro-generative-ai-4-1 .quiz-btn.correct .option-letter{background:var(--success);color:#fff}.intro-generative-ai-4-1 .quiz-btn.wrong{background:#fee2e2;border-color:var(--danger);color:#991b1b}.intro-generative-ai-4-1 .quiz-btn.wrong .option-letter{background:var(--danger);color:#fff}.intro-generative-ai-4-1 .quiz-btn:disabled{cursor:not-allowed}.intro-generative-ai-4-1 .results-card{text-align:center;padding:40px;border:2px solid var(--border-light);border-radius:var(--radius-lg)}.intro-generative-ai-4-1 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.question-text{font-size:1.25rem;color:var(--primary-dark);margin-bottom:25px;line-height:1.5;font-weight:800}.intro-generative-ai-1-1 .quiz-options{display:flex;flex-direction:column;gap:12px}.intro-generative-ai-1-1 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;cursor:pointer;transition:.2s}.intro-generative-ai-1-1 .quiz-btn:hover:not(:disabled){border-color:var(--secondary-dark);background:#f0f9ff;transform:translate(5px)}.intro-generative-ai-1-1 .quiz-btn.correct{background:#d4edda!important;border-color:var(--success)!important;color:#155724!important}.intro-generative-ai-1-1 .quiz-btn.wrong{background:#f8d7da!important;border-color:var(--danger)!important;color:#721c24!important;animation:iaShake .5s}@keyframes iaShake{0%,to{transform:translate(0)}20%,60%{transform:translate(-5px)}40%,80%{transform:translate(5px)}}.intro-generative-ai-1-1 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.lang-btn{background:transparent;border:none;font-weight:700;color:#ffffffb3;cursor:pointer;padding:5px 10px;border-radius:10px}.intro-generative-ai-1-1 .lang-btn.active{background:#fff3;color:#fff}@media(max-width:992px){.intro-generative-ai-1-1 .container{flex-direction:column}.intro-generative-ai-1-1 .sidebar{width:100%;position:static;order:2;margin-top:30px}.intro-generative-ai-1-1 .main-content{order:1;padding:25px;width:100%}}@media(max-width:768px){.intro-generative-ai-1-1 .hero-header h1{font-size:1.8rem}.intro-generative-ai-1-1 .hero-icon{display:none}.intro-generative-ai-1-1 .action-footer{flex-direction:column;gap:15px}.intro-generative-ai-1-1 .btn-primary,.intro-generative-ai-1-1 .btn-secondary{width:100%}}.gl-course-lesson-8-4{--primary: #0f3b21;--primary-light: #1e7041;--primary-dark: #071f11;--secondary: #f7df1e;--secondary-dark: #d4b800;--accent: #38bdf8;--bg-body: #f4f7f6;--bg-surface: #ffffff;--text-main: #2c3e50;--text-muted: #6c7a89;--border-light: 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.text-center{text-align:center}.gl-course-lesson-8-4 .p-3{padding:1rem}.gl-course-lesson-8-4 .rounded{border-radius:var(--radius-md)}.gl-course-lesson-8-4 .font-weight-bold{font-weight:700}.gl-course-lesson-8-4 .hero-header{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;padding:40px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.gl-course-lesson-8-4 .hero-content{position:relative;z-index:2;justify-content:center;max-width:800px;margin:0;display:flex;flex-direction:column;align-items:start;text-align:start}.gl-course-lesson-8-4 .breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#ffffff1a;padding:6px 15px;border-radius:20px}.gl-course-lesson-8-4 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;letter-spacing:-.5px;color:var(--secondary);line-height:1.2}.gl-course-lesson-8-4 .hero-header p{font-size:1.15rem;color:#ffffffe6}.gl-course-lesson-8-4 .hero-icon{font-size:8rem;color:#f7df1e1a;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.gl-course-lesson-8-4 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start;width:100%}.gl-course-lesson-8-4 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.gl-course-lesson-8-4 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-weight:800}.gl-course-lesson-8-4 .module-list{list-style:none;padding:0;margin:0}.gl-course-lesson-8-4 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;color:var(--text-main);border-left:3px solid transparent}.gl-course-lesson-8-4 .module-item i{width:20px;text-align:center;color:var(--text-muted);transition:.3s}.gl-course-lesson-8-4 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.gl-course-lesson-8-4 .module-item.active{background:#e0f2fe;color:var(--primary-dark);border-left-color:var(--accent)}.gl-course-lesson-8-4 .module-item.active i{color:var(--accent)}.gl-course-lesson-8-4 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.gl-course-lesson-8-4 .progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700;font-size:.9rem}.gl-course-lesson-8-4 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.gl-course-lesson-8-4 .progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#0284c7);transition:width .6s cubic-bezier(.4,0,.2,1)}.gl-course-lesson-8-4 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.gl-course-lesson-8-4 .fade-in{animation:fadeIn .5s ease-out}.gl-course-lesson-8-4 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.gl-course-lesson-8-4 .module-title i{color:var(--accent)}.gl-course-lesson-8-4 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.gl-course-lesson-8-4 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--accent);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005}.gl-course-lesson-8-4 .methode-box.js-theme{border-left-color:var(--secondary-dark);background:#fffdf5}.gl-course-lesson-8-4 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.gl-course-lesson-8-4 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800}.gl-course-lesson-8-4 .image-container{text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1;display:flex;flex-direction:column;align-items:center;justify-content:center}.gl-course-lesson-8-4 .course-image{max-width:100%;height:auto;max-height:400px;object-fit:contain;border-radius:8px;box-shadow:var(--shadow-sm)}.gl-course-lesson-8-4 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0}.gl-course-lesson-8-4 .exercice-header{background:#f8fafc;padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:15px}.gl-course-lesson-8-4 .exercice-header .icon{font-size:1.5rem;color:var(--accent)}.gl-course-lesson-8-4 .exercice-header h3{font-size:1.3rem;font-weight:800;color:var(--primary-dark);margin:0}.gl-course-lesson-8-4 .exercice-body{padding:25px}.gl-course-lesson-8-4 .interactive-zone{background:#f1f5f9;padding:25px;border-radius:8px;border:1px dashed #cbd5e1;margin-top:15px}.gl-course-lesson-8-4 .btn-primary,.gl-course-lesson-8-4 .btn-secondary,.gl-course-lesson-8-4 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;text-decoration:none}.gl-course-lesson-8-4 .btn-primary{background:var(--primary-dark);color:#fff;box-shadow:0 4px 12px #00000026}.gl-course-lesson-8-4 .btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow-md)}.gl-course-lesson-8-4 .btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.gl-course-lesson-8-4 .btn-secondary:hover{background:#e2e8f0}.gl-course-lesson-8-4 .btn-outline-primary{background:transparent;border:2px solid var(--primary-dark);color:var(--primary-dark)}.gl-course-lesson-8-4 .btn-outline-primary:hover{background:var(--primary-dark);color:#fff}.gl-course-lesson-8-4 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex;width:100%}.gl-course-lesson-8-4 .space-between{justify-content:space-between}.gl-course-lesson-8-4 .center-btn{justify-content:center}.gl-course-lesson-8-4 .correction-content{background:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;padding:20px;margin-top:15px;animation:slideDown .3s ease-out}.gl-course-lesson-8-4 .quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.gl-course-lesson-8-4 .quiz-progress-fill{height:100%;background:var(--accent);transition:width .3s ease}.gl-course-lesson-8-4 .quiz-question{padding:30px 0}.gl-course-lesson-8-4 .quiz-question h4{font-size:1.25rem;color:var(--primary-dark);margin-bottom:25px;line-height:1.5;font-weight:800}.gl-course-lesson-8-4 .quiz-options{display:flex;flex-direction:column;gap:12px}.gl-course-lesson-8-4 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;justify-content:space-between;align-items:center}.gl-course-lesson-8-4 .quiz-btn:hover:not(:disabled){border-color:var(--accent);background:#f0f9ff;transform:translate(5px)}.gl-course-lesson-8-4 .quiz-btn.correct{background:#d4edda;border-color:var(--success);color:#155724}.gl-course-lesson-8-4 .quiz-btn.wrong{background:#f8d7da;border-color:var(--danger);color:#721c24;animation:shake .5s}.gl-course-lesson-8-4 .quiz-btn:disabled{cursor:not-allowed}.gl-course-lesson-8-4 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solid var(--bg-body);text-align:start}.gl-course-lesson-8-2 .module-title i{color:var(--accent)}.gl-course-lesson-8-2 .explanation{font-size:1.15rem;color:var(--text-main);margin-bottom:25px;text-align:start}.gl-course-lesson-8-2 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--accent);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005;text-align:start}.gl-course-lesson-8-2 .methode-box.js-theme{border-left-color:var(--secondary-dark);background:#fffdf5}.gl-course-lesson-8-2 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.gl-course-lesson-8-2 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800;text-align:start}.gl-course-lesson-8-2 .image-container{text-align:center;margin:35px 0;background:var(--bg-body);padding:40px;border-radius:var(--radius-md);border:1px dashed 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.quiz-actions{flex-direction:column}.gl-course-lesson-8-2 .footer-container{flex-direction:column;align-items:flex-start}.gl-course-lesson-8-2 .action-footer.space-between{flex-direction:column;gap:15px}.gl-course-lesson-8-2 .btn-primary,.gl-course-lesson-8-2 .btn-secondary{width:100%;justify-content:center}}.gl-course-lesson-8-1{--primary: #0f3b21;--primary-light: #1e7041;--primary-dark: #071f11;--secondary: #f7df1e;--secondary-dark: #d4b800;--accent: #38bdf8;--bg-body: #f4f7f6;--bg-surface: #ffffff;--text-main: #2c3e50;--text-muted: #6c7a89;--border-light: #e0e6ed;--danger: #e74c3c;--danger-light: #fceceb;--success: #27ae60;--success-light: #eafaf1;--warning: #f39c12;--warning-light: #fdfaf4;--shadow-sm: 0 2px 8px rgba(0,0,0,.04);--shadow-md: 0 8px 24px rgba(0,0,0,.08);--shadow-lg: 0 12px 32px rgba(247, 223, 30, .15);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", 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15px;border-radius:20px}.gl-course-lesson-8-1 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;letter-spacing:-.5px;color:var(--secondary);line-height:1.2}.gl-course-lesson-8-1 .hero-header p{font-size:1.15rem;color:#ffffffe6}.gl-course-lesson-8-1 .hero-icon{font-size:8rem;color:#f7df1e1a;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.gl-course-lesson-8-1 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start;width:100%}.gl-course-lesson-8-1 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.gl-course-lesson-8-1 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-weight:800}.gl-course-lesson-8-1 .module-list{list-style:none;padding:0}.gl-course-lesson-8-1 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.progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.gl-course-lesson-8-1 .progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#0284c7);transition:width .6s cubic-bezier(.4,0,.2,1)}.gl-course-lesson-8-1 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.gl-course-lesson-8-1 .fade-in{animation:fadeIn .5s ease-out}.gl-course-lesson-8-1 .module-content-wrapper{width:100%}.gl-course-lesson-8-1 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body);text-align:start}.gl-course-lesson-8-1 .module-title i{color:var(--accent)}.gl-course-lesson-8-1 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px;text-align:start}.gl-course-lesson-8-1 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--accent);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005;text-align:start}.gl-course-lesson-8-1 .methode-box.js-theme{border-left-color:var(--secondary-dark);background:#fffdf5}.gl-course-lesson-8-1 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.gl-course-lesson-8-1 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800;text-align:start}.gl-course-lesson-8-1 .image-container{text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.gl-course-lesson-8-1 .course-image{max-width:100%;height:auto;max-height:400px;object-fit:contain;border-radius:8px;box-shadow:var(--shadow-sm)}.gl-course-lesson-8-1 .table-responsive{overflow-x:auto;margin:20px 0;width:100%}.gl-course-lesson-8-1 .custom-table{width:100%;border-collapse:collapse;text-align:left;background:#fff;box-shadow:var(--shadow-sm);border-radius:8px;overflow:hidden}.gl-course-lesson-8-1 .custom-table th{background:#f1f5f9;color:var(--primary-dark);padding:15px;border-bottom:2px solid #cbd5e1;font-weight:800}.gl-course-lesson-8-1 .custom-table td{border-bottom:1px solid #e2e8f0;padding:15px;vertical-align:top}.gl-course-lesson-8-1 .custom-table tr:last-child td{border-bottom:none}.gl-course-lesson-8-1 .custom-table tr:hover{background:#f8fafc}.gl-course-lesson-8-1 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0;text-align:start}.gl-course-lesson-8-1 .exercice-header{background:#f8fafc;padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:15px}.gl-course-lesson-8-1 .exercice-header .icon{font-size:1.5rem;color:var(--accent)}.gl-course-lesson-8-1 .exercice-header h3{font-size:1.3rem;font-weight:800;color:var(--primary-dark);margin:0}.gl-course-lesson-8-1 .exercice-body{padding:25px}.gl-course-lesson-8-1 .interactive-zone{background:#f1f5f9;padding:25px;border-radius:8px;border:1px dashed #cbd5e1;margin-top:15px;text-align:start}.gl-course-lesson-8-1 .btn-primary,.gl-course-lesson-8-1 .btn-secondary,.gl-course-lesson-8-1 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;text-decoration:none}.gl-course-lesson-8-1 .btn-primary{background:var(--primary-dark);color:#fff;box-shadow:0 4px 12px #00000026}.gl-course-lesson-8-1 .btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow-md)}.gl-course-lesson-8-1 .btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.gl-course-lesson-8-1 .btn-secondary:hover{background:#e2e8f0}.gl-course-lesson-8-1 .btn-outline-primary{background:transparent;border:2px solid var(--primary-dark);color:var(--primary-dark)}.gl-course-lesson-8-1 .btn-outline-primary:hover{background:var(--primary-dark);color:#fff}.gl-course-lesson-8-1 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex;width:100%}.gl-course-lesson-8-1 .space-between{justify-content:space-between}.gl-course-lesson-8-1 .center-btn{justify-content:center}.gl-course-lesson-8-1 .correction-content{background:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;padding:20px;margin-top:15px;animation:slideDown .3s ease-out;text-align:start}.gl-course-lesson-8-1 .quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden;width:100%}.gl-course-lesson-8-1 .quiz-progress-fill{height:100%;background:var(--accent);transition:width .3s ease}.gl-course-lesson-8-1 .quiz-question{padding:30px 0;text-align:start}.gl-course-lesson-8-1 .quiz-question h4{font-size:1.25rem;color:var(--primary-dark);margin-bottom:25px;line-height:1.5;font-weight:800;text-align:start}.gl-course-lesson-8-1 .quiz-options{display:flex;flex-direction:column;gap:12px}.gl-course-lesson-8-1 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;justify-content:start;gap:20px;align-items:center}.gl-course-lesson-8-1 .quiz-btn:hover:not(:disabled){border-color:var(--accent);background:#f0f9ff;transform:translate(5px)}.gl-course-lesson-8-1 .quiz-btn.correct{background:var(--success-light);border-color:var(--success);color:#065f46}.gl-course-lesson-8-1 .quiz-btn.wrong{background:var(--danger-light);border-color:var(--danger);color:#991b1b;animation:shake .5s}.gl-course-lesson-8-1 .quiz-btn:disabled{cursor:not-allowed}.gl-course-lesson-8-1 .option-letter{background:#0000000d;border-radius:50%;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;fontWeight:bold}.gl-course-lesson-8-1 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg);width:100%}.gl-course-lesson-8-1 .score-icon{font-size:4rem;color:var(--warning);margin-bottom:10px}.gl-course-lesson-8-1 .big-score{font-size:5rem;font-weight:800;color:var(--primary-dark);line-height:1;margin:20px 0}.gl-course-lesson-8-1 .total-score{font-size:2rem;color:var(--text-muted)}.gl-course-lesson-8-1 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.gl-course-lesson-8-1 .badge-feedback.badge-excellent{color:var(--success)}.gl-course-lesson-8-1 .badge-feedback.badge-try{color:var(--danger)}.gl-course-lesson-8-1 .quiz-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.gl-course-lesson-8-1 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:block;text-align:center;font-size:1.05rem;animation:slideDown .3s ease-out}.gl-course-lesson-8-1 .feedback-msg.success{background:var(--success-light);color:#065f46;border:1px solid #a7f3d0}.gl-course-lesson-8-1 .feedback-msg.error{background:var(--danger-light);color:#991b1b;border:1px solid #fecaca}.gl-course-lesson-8-1 .site-footer{background:#0f172a;color:#f1f5f9;padding:40px 5%;margin-top:auto;border-radius:20px 20px 0 0;width:100%}.gl-course-lesson-8-1 .footer-container{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:30px}.gl-course-lesson-8-1 .footer-left{display:flex;flex-direction:column;gap:8px;text-align:left}.gl-course-lesson-8-1 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.sidebar{width:100%;position:static;order:2;margin-top:30px}.gl-course-lesson-8-1 .main-content{order:1;padding:30px;width:100%}.gl-course-lesson-8-1 .hero-header{flex-direction:column;gap:20px;align-items:start}.gl-course-lesson-8-1 .hero-header h1{font-size:1.8rem}.gl-course-lesson-8-1 .hero-icon{right:-5%;opacity:.2}}@media(max-width:768px){.gl-course-lesson-8-1 .quiz-actions{flex-direction:column}.gl-course-lesson-8-1 .footer-container{flex-direction:column;align-items:flex-start}.gl-course-lesson-8-1 .action-footer.space-between{flex-direction:column;gap:15px}.gl-course-lesson-8-1 .btn-primary,.gl-course-lesson-8-1 .btn-secondary{width:100%;justify-content:center}}.gl-course-lesson-7-5{--primary: #0f3b21;--primary-light: #1e7041;--primary-dark: #071f11;--secondary: #27ae60;--secondary-dark: #1e8449;--accent: #38bdf8;--bg-body: #f4f7f6;--bg-surface: #ffffff;--text-main: #2c3e50;--text-muted: #6c7a89;--border-light: #e0e6ed;--danger: #e74c3c;--danger-light: #fceceb;--success: #27ae60;--success-light: #eafaf1;--warning: #f39c12;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace;min-height:100vh;display:flex;flex-direction:column;background:var(--bg-body)}.gl-course-lesson-7-5 *{box-sizing:border-box}.gl-course-lesson-7-5 a{text-decoration:none;color:inherit}.gl-course-lesson-7-5 .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.gl-course-lesson-7-5 ul.styled-list,.gl-course-lesson-7-5 ol.styled-list{margin-left:1.5rem}.gl-course-lesson-7-5 ul.styled-list li,.gl-course-lesson-7-5 ol.styled-list li{margin-bottom:.8rem}.gl-course-lesson-7-5 .math-font{font-family:var(--font-math)}.gl-course-lesson-7-5 .mt-2{margin-top:.5rem}.gl-course-lesson-7-5 .mt-3{margin-top:1rem}.gl-course-lesson-7-5 .mt-4{margin-top:1.5rem}.gl-course-lesson-7-5 .mt-5{margin-top:3rem}.gl-course-lesson-7-5 .p-3{padding:1rem}.gl-course-lesson-7-5 .rounded{border-radius:8px}.gl-course-lesson-7-5 .font-weight-bold{font-weight:700}.gl-course-lesson-7-5 .center-align{justify-content:center;text-align:center}.gl-course-lesson-7-5 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#75cdebf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.gl-course-lesson-7-5 .nav-left{display:flex;align-items:center;gap:40px}.gl-course-lesson-7-5 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark)}.gl-course-lesson-7-5 .brand-logo img{border-radius:8px}.gl-course-lesson-7-5 .nav-links{display:flex;gap:20px}.gl-course-lesson-7-5 .nav-link{font-weight:600;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.gl-course-lesson-7-5 .nav-link:hover{color:var(--secondary-dark)}.gl-course-lesson-7-5 .hero-header{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.gl-course-lesson-7-5 .hero-content{position:relative;z-index:2;justify-content:center;max-width:800px;margin:0;display:flex;flex-direction:column;align-items:start;text-align:start}.gl-course-lesson-7-5 .breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#ffffff1a;padding:6px 15px;border-radius:20px}.gl-course-lesson-7-5 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;color:var(--accent);line-height:1.2}.gl-course-lesson-7-5 .hero-header p{text-align:start;font-size:1.15rem;color:#ffffffe6}.gl-course-lesson-7-5 .hero-icon{font-size:8rem;color:#ffffff0d;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.gl-course-lesson-7-5 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.gl-course-lesson-7-5 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.gl-course-lesson-7-5 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;font-weight:800;margin-bottom:20px}.gl-course-lesson-7-5 .module-list{list-style:none}.gl-course-lesson-7-5 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;border-left:3px solid transparent}.gl-course-lesson-7-5 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.gl-course-lesson-7-5 .module-item.active{background:var(--success-light);color:var(--primary-dark);border-left-color:var(--secondary)}.gl-course-lesson-7-5 .module-item.active i{color:var(--secondary)}.gl-course-lesson-7-5 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.gl-course-lesson-7-5 .progress-header{display:flex;justify-content:space-between;font-weight:700;font-size:.9rem;margin-bottom:10px}.gl-course-lesson-7-5 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.gl-course-lesson-7-5 .progress-fill{height:100%;background:var(--secondary);transition:width .6s ease}.gl-course-lesson-7-5 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);overflow:hidden}.gl-course-lesson-7-5 .fade-in{animation:fadeIn .5s ease-out}.gl-course-lesson-7-5 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.gl-course-lesson-7-5 .module-title i{color:var(--secondary)}.gl-course-lesson-7-5 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--accent);padding:25px;border-radius:var(--radius-md);margin:25px 0}.gl-course-lesson-7-5 .methode-box.js-theme{border-left-color:var(--secondary);background:var(--success-light)}.gl-course-lesson-7-5 .methode-box.alert-theme{border-left-color:var(--warning);background:#fffdf5}.gl-course-lesson-7-5 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800}.gl-course-lesson-7-5 .image-container{text-align:center;margin:20px 0 35px;padding:20px;border-radius:var(--radius-md);border:1px dashed #cbd5e1;background:var(--bg-body)}.gl-course-lesson-7-5 .course-image{max-width:100%;height:auto;max-height:400px;object-fit:contain;border-radius:8px}.gl-course-lesson-7-5 .code-editor{background:#1e1e1e;border-radius:8px;overflow:hidden;box-shadow:var(--shadow-md);margin-top:15px}.gl-course-lesson-7-5 .code-header{background:#2d2d2d;padding:10px 15px;display:flex;align-items:center;gap:8px;border-bottom:1px solid #404040}.gl-course-lesson-7-5 .code-header .dot{width:12px;height:12px;border-radius:50%}.gl-course-lesson-7-5 .dot.red{background:#ff5f56}.gl-course-lesson-7-5 .dot.yellow{background:#ffbd2e}.gl-course-lesson-7-5 .dot.green{background:#27c93f}.gl-course-lesson-7-5 .code-header span{color:#858585;font-size:.85rem;font-family:var(--font-main);font-weight:700;margin-left:10px}.gl-course-lesson-7-5 .code-editor pre{padding:20px;overflow-x:auto;color:#d4d4d4;line-height:1.6;margin:0;font-size:.95em}.gl-course-lesson-7-5 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);margin:30px 0;overflow:hidden}.gl-course-lesson-7-5 .exercice-header{background:#f8fafc;padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;gap:15px;align-items:center}.gl-course-lesson-7-5 .exercice-header h3{font-size:1.3rem;font-weight:800;color:var(--primary-dark);margin:0}.gl-course-lesson-7-5 .exercice-header .icon{font-size:1.5rem;color:var(--accent)}.gl-course-lesson-7-5 .exercice-body{padding:25px}.gl-course-lesson-7-5 .btn-primary,.gl-course-lesson-7-5 .btn-secondary,.gl-course-lesson-7-5 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:.3s;border:none}.gl-course-lesson-7-5 .btn-primary{background:var(--primary-dark);color:#fff}.gl-course-lesson-7-5 .btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow-md)}.gl-course-lesson-7-5 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.quiz-options{display:flex;flex-direction:column;gap:12px}.gl-course-lesson-7-5 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;cursor:pointer;transition:.2s;display:flex;justify-content:space-between;align-items:center}.gl-course-lesson-7-5 .quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:var(--success-light);transform:translate(5px)}.gl-course-lesson-7-5 .quiz-btn.correct{background:#d4edda;border-color:var(--success);color:#155724}.gl-course-lesson-7-5 .quiz-btn.wrong{background:#f8d7da;border-color:var(--danger);color:#721c24;animation:shake .5s}.gl-course-lesson-7-5 .quiz-btn:disabled{cursor:not-allowed}.gl-course-lesson-7-5 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:slideDown .3s ease-out}.gl-course-lesson-7-5 .feedback-msg.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.gl-course-lesson-7-5 .feedback-msg.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.gl-course-lesson-7-5 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.gl-course-lesson-7-5 .score-icon{font-size:4rem;margin-bottom:10px}.gl-course-lesson-7-5 .big-score{font-size:5rem;font-weight:800;color:var(--primary-dark);line-height:1;margin:20px 0}.gl-course-lesson-7-5 .total-score{font-size:2rem;color:var(--text-muted)}.gl-course-lesson-7-5 .site-footer{background:#0f172a;color:#f1f5f9;padding:30px 5%;margin-top:auto;text-align:center}.gl-course-lesson-7-5 .lang-selector{display:flex;align-items:center;gap:10px;background:#0000000d;padding:5px 15px;border-radius:30px}.gl-course-lesson-7-5 .lang-btn{background:transparent;color:var(--text-muted);border:none;padding:5px 10px;border-radius:15px;cursor:pointer;font-weight:700}.gl-course-lesson-7-5 .lang-btn.active{background:var(--primary-dark);color:#fff}.gl-course-lesson-7-5 .confetti-piece{position:absolute;top:-20px;width:10px;height:20px;animation:fall linear forwards;border-radius:2px}@media(max-width:992px){.gl-course-lesson-7-5 .container{flex-direction:column}.gl-course-lesson-7-5 .sidebar{width:100%;position:static;order:2}.gl-course-lesson-7-5 .main-content{order:1;padding:25px;width:100%}.gl-course-lesson-7-5 .hero-header h1,.gl-course-lesson-7-5 .hero-header p{text-align:center}.gl-course-lesson-7-5 .hero-content{align-items:center;text-align:center}}@media(max-width:768px){.gl-course-lesson-7-5 .nav-links{display:none}.gl-course-lesson-7-5 .action-footer.space-between{flex-direction:column;gap:15px}.gl-course-lesson-7-5 .btn-primary,.gl-course-lesson-7-5 .btn-secondary{width:100%}}.gl-course-lesson-7-4{--primary: #0f3b21;--primary-light: #1e7041;--primary-dark: #071f11;--secondary: #27ae60;--secondary-dark: #1e8449;--accent: #38bdf8;--bg-body: #f4f7f6;--bg-surface: #ffffff;--text-main: #2c3e50;--text-muted: #6c7a89;--border-light: #e0e6ed;--danger: #e74c3c;--danger-light: #fceceb;--success: #27ae60;--success-light: #eafaf1;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace;min-height:100vh;display:flex;flex-direction:column;background:var(--bg-body)}.gl-course-lesson-7-4 *{box-sizing:border-box}.gl-course-lesson-7-4 a{text-decoration:none;color:inherit}.gl-course-lesson-7-4 .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.gl-course-lesson-7-4 ul.styled-list,.gl-course-lesson-7-4 ol.styled-list{margin-left:1.5rem}.gl-course-lesson-7-4 ul.styled-list li,.gl-course-lesson-7-4 ol.styled-list li{margin-bottom:.8rem}.gl-course-lesson-7-4 .math-font{font-family:var(--font-math)}.gl-course-lesson-7-4 .mt-2{margin-top:.5rem}.gl-course-lesson-7-4 .mt-3{margin-top:1rem}.gl-course-lesson-7-4 .mt-4{margin-top:1.5rem}.gl-course-lesson-7-4 .mt-5{margin-top:3rem}.gl-course-lesson-7-4 .p-3{padding:1rem}.gl-course-lesson-7-4 .rounded{border-radius:8px}.gl-course-lesson-7-4 .font-weight-bold{font-weight:700}.gl-course-lesson-7-4 .center-align{justify-content:center;text-align:center}.gl-course-lesson-7-4 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#75cdebf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.gl-course-lesson-7-4 .nav-left{display:flex;align-items:center;gap:40px}.gl-course-lesson-7-4 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark)}.gl-course-lesson-7-4 .brand-logo img{border-radius:8px}.gl-course-lesson-7-4 .nav-links{display:flex;gap:20px}.gl-course-lesson-7-4 .nav-link{font-weight:600;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.gl-course-lesson-7-4 .nav-link:hover{color:var(--secondary-dark)}.gl-course-lesson-7-4 .hero-header{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.gl-course-lesson-7-4 .hero-content{position:relative;z-index:2;justify-content:center;max-width:800px;margin:0;display:flex;flex-direction:column;align-items:start;text-align:start}.gl-course-lesson-7-4 .breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#ffffff1a;padding:6px 15px;border-radius:20px}.gl-course-lesson-7-4 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;color:var(--accent);line-height:1.2}.gl-course-lesson-7-4 .hero-header p{text-align:start;font-size:1.15rem;color:#ffffffe6}.gl-course-lesson-7-4 .hero-icon{font-size:8rem;color:#ffffff0d;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.gl-course-lesson-7-4 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.gl-course-lesson-7-4 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.gl-course-lesson-7-4 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;font-weight:800;margin-bottom:20px}.gl-course-lesson-7-4 .module-list{list-style:none}.gl-course-lesson-7-4 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;border-left:3px solid transparent}.gl-course-lesson-7-4 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.gl-course-lesson-7-4 .module-item.active{background:var(--success-light);color:var(--primary-dark);border-left-color:var(--secondary)}.gl-course-lesson-7-4 .module-item.active i{color:var(--secondary)}.gl-course-lesson-7-4 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.gl-course-lesson-7-4 .progress-header{display:flex;justify-content:space-between;font-weight:700;font-size:.9rem;margin-bottom:10px}.gl-course-lesson-7-4 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.gl-course-lesson-7-4 .progress-fill{height:100%;background:var(--secondary);transition:width .6s ease}.gl-course-lesson-7-4 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light)}.gl-course-lesson-7-4 .fade-in{animation:fadeIn .5s ease-out}.gl-course-lesson-7-4 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.gl-course-lesson-7-4 .module-title i{color:var(--secondary)}.gl-course-lesson-7-4 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--accent);padding:25px;border-radius:var(--radius-md);margin:25px 0}.gl-course-lesson-7-4 .methode-box.js-theme{border-left-color:var(--secondary);background:var(--success-light)}.gl-course-lesson-7-4 .alert-theme{background:#fffdf5;border-left:4px solid #f39c12}.gl-course-lesson-7-4 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800}.gl-course-lesson-7-4 .image-container{text-align:center;margin:35px 0;padding:20px;border-radius:var(--radius-md);border:1px dashed #cbd5e1;background:var(--bg-body)}.gl-course-lesson-7-4 .course-image{max-width:100%;height:auto;max-height:400px;object-fit:contain;border-radius:8px}.gl-course-lesson-7-4 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);margin:30px 0;overflow:hidden}.gl-course-lesson-7-4 .exercice-header{background:#f8fafc;padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;gap:15px;align-items:center}.gl-course-lesson-7-4 .exercice-header h3{font-size:1.3rem;font-weight:800;color:var(--primary-dark);margin:0}.gl-course-lesson-7-4 .exercice-header .icon{font-size:1.5rem;color:var(--accent)}.gl-course-lesson-7-4 .exercice-body{padding:25px}.gl-course-lesson-7-4 .btn-primary,.gl-course-lesson-7-4 .btn-secondary,.gl-course-lesson-7-4 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:.3s;border:none}.gl-course-lesson-7-4 .btn-primary{background:var(--primary-dark);color:#fff}.gl-course-lesson-7-4 .btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow-md)}.gl-course-lesson-7-4 .btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.gl-course-lesson-7-4 .btn-secondary:hover{background:#e2e8f0}.gl-course-lesson-7-4 .btn-outline-primary{background:transparent;border:2px solid var(--primary-dark);color:var(--primary-dark)}.gl-course-lesson-7-4 .btn-outline-primary:hover{background:var(--primary-dark);color:#fff}.gl-course-lesson-7-4 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex}.gl-course-lesson-7-4 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.quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:var(--success-light);transform:translate(5px)}.gl-course-lesson-7-4 .quiz-btn.correct{background:#d4edda;border-color:var(--success);color:#155724}.gl-course-lesson-7-4 .quiz-btn.wrong{background:#f8d7da;border-color:var(--danger);color:#721c24;animation:shake .5s}.gl-course-lesson-7-4 .quiz-btn:disabled{cursor:not-allowed}.gl-course-lesson-7-4 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:slideDown .3s ease-out}.gl-course-lesson-7-4 .feedback-msg.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.gl-course-lesson-7-4 .feedback-msg.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.gl-course-lesson-7-4 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.gl-course-lesson-7-4 .score-icon{font-size:4rem;margin-bottom:10px}.gl-course-lesson-7-4 .big-score{font-size:5rem;font-weight:800;color:var(--primary-dark);line-height:1;margin:20px 0}.gl-course-lesson-7-4 .total-score{font-size:2rem;color:var(--text-muted)}.gl-course-lesson-7-4 .site-footer{background:#0f172a;color:#f1f5f9;padding:30px 5%;margin-top:auto;text-align:center}.gl-course-lesson-7-4 .lang-selector{display:flex;align-items:center;gap:10px;background:#0000000d;padding:5px 15px;border-radius:30px}.gl-course-lesson-7-4 .lang-btn{background:transparent;color:var(--text-muted);border:none;padding:5px 10px;border-radius:15px;cursor:pointer;font-weight:700}.gl-course-lesson-7-4 .lang-btn.active{background:var(--primary-dark);color:#fff}.gl-course-lesson-7-4 .confetti-piece{position:absolute;top:-20px;width:10px;height:20px;animation:fall linear forwards;border-radius:2px}@media(max-width:992px){.gl-course-lesson-7-4 .container{flex-direction:column}.gl-course-lesson-7-4 .sidebar{width:100%;position:static;order:2}.gl-course-lesson-7-4 .main-content{order:1;padding:25px;width:100%}.gl-course-lesson-7-4 .hero-header h1,.gl-course-lesson-7-4 .hero-header p{text-align:center}}@media(max-width:768px){.gl-course-lesson-7-4 .nav-links{display:none}.gl-course-lesson-7-4 .action-footer.space-between{flex-direction:column;gap:15px}.gl-course-lesson-7-4 .btn-primary,.gl-course-lesson-7-4 .btn-secondary{width:100%}}.gl-course-lesson-7-3{--primary: #0f3b21;--primary-light: #1e7041;--primary-dark: #071f11;--secondary: #27ae60;--secondary-dark: #1e8449;--accent: #38bdf8;--bg-body: #f4f7f6;--bg-surface: #ffffff;--text-main: #2c3e50;--text-muted: #6c7a89;--border-light: #e0e6ed;--danger: #e74c3c;--danger-light: #fceceb;--success: #27ae60;--success-light: #eafaf1;--warning: #f39c12;--warning-light: #fdfaf4;--shadow-sm: 0 2px 8px rgba(0,0,0,.04);--shadow-md: 0 8px 24px rgba(0,0,0,.08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: 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.top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.gl-course-lesson-7-3 .nav-left{display:flex;align-items:center;gap:40px}.gl-course-lesson-7-3 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark)}.gl-course-lesson-7-3 .brand-logo img{border-radius:8px;width:40px;height:40px}.gl-course-lesson-7-3 .nav-links{display:flex;gap:20px}.gl-course-lesson-7-3 .nav-link{font-weight:600;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.gl-course-lesson-7-3 .nav-link:hover{color:var(--secondary-dark)}.gl-course-lesson-7-3 .hero-header{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.gl-course-lesson-7-3 .hero-content{position:relative;z-index:2;max-width:800px;display:flex;flex-direction:column;align-items:start;margin:0}.gl-course-lesson-7-3 .breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#ffffff1a;padding:6px 15px;border-radius:20px}.gl-course-lesson-7-3 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;color:var(--secondary);line-height:1.2;text-align:start}.gl-course-lesson-7-3 .hero-header p{font-size:1.15rem;color:#ffffffe6;text-align:start}.gl-course-lesson-7-3 .hero-icon{font-size:8rem;color:#ffffff0d;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.gl-course-lesson-7-3 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.gl-course-lesson-7-3 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.gl-course-lesson-7-3 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;font-weight:800;margin-bottom:20px}.gl-course-lesson-7-3 .module-list{list-style:none}.gl-course-lesson-7-3 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;border-left:3px solid transparent}.gl-course-lesson-7-3 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.gl-course-lesson-7-3 .module-item.active{background:var(--success-light);color:var(--primary-dark);border-left-color:var(--secondary)}.gl-course-lesson-7-3 .module-item.active i{color:var(--secondary)}.gl-course-lesson-7-3 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.gl-course-lesson-7-3 .progress-header{display:flex;justify-content:space-between;font-weight:700;font-size:.9rem;margin-bottom:10px}.gl-course-lesson-7-3 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.gl-course-lesson-7-3 .progress-fill{height:100%;background:var(--secondary);transition:width .6s ease}.gl-course-lesson-7-3 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);width:100%}.gl-course-lesson-7-3 .fade-in{animation:fadeIn .5s ease-out}.gl-course-lesson-7-3 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body);text-align:start}.gl-course-lesson-7-3 .module-title i{color:var(--secondary)}.gl-course-lesson-7-3 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--accent);padding:25px;border-radius:var(--radius-md);margin:25px 0;text-align:start}.gl-course-lesson-7-3 .methode-box.js-theme{border-left-color:var(--secondary);background:var(--success-light)}.gl-course-lesson-7-3 .alert-theme{background:#fffbeb;border-left:4px solid var(--warning);padding:15px 20px;border-radius:8px;margin-top:15px;text-align:start}.gl-course-lesson-7-3 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800;text-align:start}.gl-course-lesson-7-3 .image-container{text-align:center;margin:35px 0;padding:20px;border-radius:var(--radius-md);border:1px dashed #cbd5e1;background:var(--bg-body)}.gl-course-lesson-7-3 .course-image{max-width:100%;height:auto;max-height:400px;object-fit:contain;border-radius:8px}.gl-course-lesson-7-3 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);margin:30px 0;overflow:hidden;text-align:start}.gl-course-lesson-7-3 .exercice-header{background:#f8fafc;padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;gap:15px;align-items:center}.gl-course-lesson-7-3 .exercice-header h3{font-size:1.3rem;font-weight:800;color:var(--primary-dark);margin:0;text-align:start}.gl-course-lesson-7-3 .exercice-header .icon{font-size:1.5rem;color:var(--accent)}.gl-course-lesson-7-3 .exercice-body{padding:25px;text-align:start}.gl-course-lesson-7-3 .btn-primary,.gl-course-lesson-7-3 .btn-secondary,.gl-course-lesson-7-3 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:.3s;border:none}.gl-course-lesson-7-3 .btn-primary{background:var(--primary-dark);color:#fff}.gl-course-lesson-7-3 .btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow-md)}.gl-course-lesson-7-3 .btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.gl-course-lesson-7-3 .btn-secondary:hover{background:#e2e8f0}.gl-course-lesson-7-3 .btn-outline-primary{background:transparent;border:2px solid var(--primary-dark);color:var(--primary-dark)}.gl-course-lesson-7-3 .btn-outline-primary:hover{background:var(--primary-dark);color:#fff}.gl-course-lesson-7-3 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex}.gl-course-lesson-7-3 .space-between{justify-content:space-between}.gl-course-lesson-7-3 .action-footer:not(.space-between){justify-content:center}.gl-course-lesson-7-3 .correction-content{background:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;padding:20px;margin-top:15px;animation:slideDown .3s ease-out;text-align:start}.gl-course-lesson-7-3 .quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.gl-course-lesson-7-3 .quiz-progress-fill{height:100%;background:var(--secondary);transition:width .3s ease}.gl-course-lesson-7-3 .quiz-question{padding:30px 0;text-align:start}.gl-course-lesson-7-3 .quiz-question h4{font-size:1.25rem;color:var(--primary-dark);margin-bottom:25px;font-weight:800;text-align:start}.gl-course-lesson-7-3 .quiz-options{display:flex;flex-direction:column;gap:12px}.gl-course-lesson-7-3 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;cursor:pointer;transition:.2s;display:flex;justify-content:space-between;align-items:center}.gl-course-lesson-7-3 .quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:var(--success-light);transform:translate(5px)}.gl-course-lesson-7-3 .quiz-btn.correct{background:#d4edda;border-color:var(--success);color:#155724}.gl-course-lesson-7-3 .quiz-btn.wrong{background:#f8d7da;border-color:var(--danger);color:#721c24;animation:shake .5s}.gl-course-lesson-7-3 .quiz-btn:disabled{cursor:not-allowed}.gl-course-lesson-7-3 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:slideDown .3s ease-out}.gl-course-lesson-7-3 .feedback-msg.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.gl-course-lesson-7-3 .feedback-msg.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.gl-course-lesson-7-3 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.gl-course-lesson-7-3 .score-icon{font-size:4rem;margin-bottom:10px}.gl-course-lesson-7-3 .big-score{font-size:5rem;font-weight:800;color:var(--primary-dark);line-height:1;margin:20px 0}.gl-course-lesson-7-3 .total-score{font-size:2rem;color:var(--text-muted)}.gl-course-lesson-7-3 .site-footer{background:#0f172a;color:#f1f5f9;padding:30px 5%;margin-top:auto;text-align:center;width:100%}.gl-course-lesson-7-3 .lang-selector{display:flex;align-items:center;gap:10px;background:#0000000d;padding:5px 15px;border-radius:30px}.gl-course-lesson-7-3 .lang-btn{background:transparent;color:var(--text-muted);border:none;padding:5px 10px;border-radius:15px;cursor:pointer;font-weight:700}.gl-course-lesson-7-3 .lang-btn.active{background:var(--primary-dark);color:#fff}@media(max-width:992px){.gl-course-lesson-7-3 .container{flex-direction:column;margin-top:20px}.gl-course-lesson-7-3 .sidebar{width:100%;position:static;order:2;margin-top:30px}.gl-course-lesson-7-3 .main-content{order:1;padding:20px;width:100%}.gl-course-lesson-7-3 .hero-content{align-items:center}.gl-course-lesson-7-3 .hero-header h1{font-size:1.8rem;text-align:center}.gl-course-lesson-7-3 .hero-header p{text-align:center}}@media(max-width:768px){.gl-course-lesson-7-3 .nav-left .nav-links{display:none}.gl-course-lesson-7-3 .action-footer.space-between{flex-direction:column;gap:15px}.gl-course-lesson-7-3 .btn-primary,.gl-course-lesson-7-3 .btn-secondary{width:100%}}.gl-course-lesson-7-2{--primary: #0f3b21;--primary-light: #1e7041;--primary-dark: #071f11;--secondary: #27ae60;--secondary-dark: #1e8449;--accent: #38bdf8;--bg-body: #f4f7f6;--bg-surface: #ffffff;--text-main: #2c3e50;--text-muted: #6c7a89;--border-light: #e0e6ed;--danger: #e74c3c;--danger-light: #fceceb;--success: #27ae60;--success-light: #eafaf1;--warning: #f39c12;--warning-light: #fdfaf4;--shadow-sm: 0 2px 8px rgba(0,0,0,.04);--shadow-md: 0 8px 24px rgba(0,0,0,.08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace;font-family:var(--font-main);color:var(--text-main);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;background:var(--bg-body)}.gl-course-lesson-7-2 a{text-decoration:none;color:inherit}.gl-course-lesson-7-2 ul.styled-list,.gl-course-lesson-7-2 ol.styled-list{margin-left:1.5rem}.gl-course-lesson-7-2 ul.styled-list li,.gl-course-lesson-7-2 ol.styled-list li{margin-bottom:.8rem}.gl-course-lesson-7-2 .math-font{font-family:var(--font-math)}.gl-course-lesson-7-2 .mt-2{margin-top:.5rem}.gl-course-lesson-7-2 .mt-3{margin-top:1rem}.gl-course-lesson-7-2 .mt-4{margin-top:1.5rem}.gl-course-lesson-7-2 .mt-5{margin-top:3rem}.gl-course-lesson-7-2 .text-danger{color:var(--danger)!important}.gl-course-lesson-7-2 .text-success{color:var(--success)!important}.gl-course-lesson-7-2 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.gl-course-lesson-7-2 .nav-left{display:flex;align-items:center;gap:40px}.gl-course-lesson-7-2 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark)}.gl-course-lesson-7-2 .brand-logo img{border-radius:8px;width:40px;height:40px}.gl-course-lesson-7-2 .nav-links{display:flex;gap:20px}.gl-course-lesson-7-2 .nav-link{font-weight:600;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.gl-course-lesson-7-2 .nav-link:hover{color:var(--secondary-dark)}.gl-course-lesson-7-2 .hero-header{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.gl-course-lesson-7-2 .hero-content{position:relative;z-index:2;max-width:800px;display:flex;flex-direction:column;align-items:start;margin:0}.gl-course-lesson-7-2 .breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#ffffff1a;padding:6px 15px;border-radius:20px}.gl-course-lesson-7-2 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;color:var(--secondary);line-height:1.2;text-align:start}.gl-course-lesson-7-2 .hero-header p{font-size:1.15rem;color:#ffffffe6;text-align:start}.gl-course-lesson-7-2 .hero-icon{font-size:8rem;color:#ffffff0d;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.gl-course-lesson-7-2 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.gl-course-lesson-7-2 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.gl-course-lesson-7-2 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;font-weight:800;margin-bottom:20px}.gl-course-lesson-7-2 .module-list{list-style:none}.gl-course-lesson-7-2 .module-item{padding:12px 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.main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);width:100%}.gl-course-lesson-7-2 .fade-in{animation:fadeIn .5s ease-out}.gl-course-lesson-7-2 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body);text-align:start}.gl-course-lesson-7-2 .module-title i{color:var(--secondary)}.gl-course-lesson-7-2 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--accent);padding:25px;border-radius:var(--radius-md);margin:25px 0;text-align:start}.gl-course-lesson-7-2 .methode-box.js-theme{border-left-color:var(--secondary);background:var(--success-light)}.gl-course-lesson-7-2 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.gl-course-lesson-7-2 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800;text-align:start}.gl-course-lesson-7-2 .image-container{text-align:center;margin:35px 0;padding:20px;border-radius:var(--radius-md);border:1px dashed #cbd5e1;background:var(--bg-body)}.gl-course-lesson-7-2 .course-image{max-width:100%;height:auto;max-height:400px;object-fit:contain;border-radius:8px}.gl-course-lesson-7-2 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);margin:30px 0;overflow:hidden;text-align:start}.gl-course-lesson-7-2 .exercice-header{background:#f8fafc;padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;gap:15px;align-items:center}.gl-course-lesson-7-2 .exercice-header h3{font-size:1.3rem;font-weight:800;color:var(--primary-dark);margin:0;text-align:start}.gl-course-lesson-7-2 .exercice-header .icon{font-size:1.5rem;color:var(--accent)}.gl-course-lesson-7-2 .exercice-body{padding:25px;text-align:start}.gl-course-lesson-7-2 .btn-primary,.gl-course-lesson-7-2 .btn-secondary,.gl-course-lesson-7-2 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:.3s;border:none}.gl-course-lesson-7-2 .btn-primary{background:var(--primary-dark);color:#fff}.gl-course-lesson-7-2 .btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow-md)}.gl-course-lesson-7-2 .btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.gl-course-lesson-7-2 .btn-secondary:hover{background:#e2e8f0}.gl-course-lesson-7-2 .btn-outline-primary{background:transparent;border:2px solid var(--primary-dark);color:var(--primary-dark)}.gl-course-lesson-7-2 .btn-outline-primary:hover{background:var(--primary-dark);color:#fff}.gl-course-lesson-7-2 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.quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;cursor:pointer;transition:.2s;display:flex;justify-content:space-between;align-items:center}.gl-course-lesson-7-2 .quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:var(--success-light);transform:translate(5px)}.gl-course-lesson-7-2 .quiz-btn.correct{background:#d4edda;border-color:var(--success);color:#155724}.gl-course-lesson-7-2 .quiz-btn.wrong{background:#f8d7da;border-color:var(--danger);color:#721c24;animation:shake .5s}.gl-course-lesson-7-2 .quiz-btn:disabled{cursor:not-allowed}.gl-course-lesson-7-2 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:slideDown .3s ease-out}.gl-course-lesson-7-2 .feedback-msg.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.gl-course-lesson-7-2 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.lang-btn.active{background:var(--primary-dark);color:#fff}@media(max-width:992px){.gl-course-lesson-7-2 .container{flex-direction:column;margin-top:20px}.gl-course-lesson-7-2 .sidebar{width:100%;position:static;order:2;margin-top:30px}.gl-course-lesson-7-2 .main-content{order:1;padding:20px;width:100%}.gl-course-lesson-7-2 .hero-content{align-items:center}.gl-course-lesson-7-2 .hero-header h1{font-size:1.8rem;text-align:center}.gl-course-lesson-7-2 .hero-header p{text-align:center}}@media(max-width:768px){.gl-course-lesson-7-2 .nav-left .nav-links{display:none}.gl-course-lesson-7-2 .action-footer.space-between{flex-direction:column;gap:15px}.gl-course-lesson-7-2 .btn-primary,.gl-course-lesson-7-2 .btn-secondary{width:100%}}:root{--primary: #0f3b21;--primary-light: #1e7041;--primary-dark: #071f11;--secondary: #38bdf8;--secondary-dark: #0284c7;--accent: #f59e0b;--bg-body: #f4f7f6;--bg-surface: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--danger-light: #fef2f2;--success: #10b981;--success-light: #ecfdf5;--shadow-sm: 0 2px 8px rgba(0,0,0,.04);--shadow-md: 0 8px 24px rgba(0,0,0,.08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}.gl-course-lesson-7-1{font-family:var(--font-main);background:var(--bg-body);color:var(--text-main);line-height:1.6;display:flex;flex-direction:column;min-height:100vh}.gl-course-lesson-7-1 *{box-sizing:border-box}.gl-course-lesson-7-1 .mt-2{margin-top:.5rem}.gl-course-lesson-7-1 .mt-4{margin-top:1.5rem}.gl-course-lesson-7-1 .mb-4{margin-bottom:1.5rem}.gl-course-lesson-7-1 .math-font{font-family:var(--font-math)}.gl-course-lesson-7-1 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#75cdebf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.gl-course-lesson-7-1 .nav-left{display:flex;align-items:center;gap:40px}.gl-course-lesson-7-1 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark);text-decoration:none}.gl-course-lesson-7-1 .brand-logo img{border-radius:8px}.gl-course-lesson-7-1 .nav-links{display:flex;gap:20px}.gl-course-lesson-7-1 .nav-link{font-weight:600;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem;text-decoration:none}.gl-course-lesson-7-1 .nav-link:hover{color:var(--secondary-dark)}.gl-course-lesson-7-1 .lang-selector{display:flex;gap:10px;background:var(--bg-body);padding:5px;border-radius:20px}.gl-course-lesson-7-1 .lang-btn{background:transparent;color:var(--text-muted);border:none;padding:5px 12px;border-radius:15px;cursor:pointer;font-weight:700;transition:.3s}.gl-course-lesson-7-1 .lang-btn.active{background:var(--secondary);color:#fff}.gl-course-lesson-7-1 .hero-header{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.gl-course-lesson-7-1 .hero-content{position:relative;z-index:2;max-width:800px;display:flex;flex-direction:column;align-items:start;margin:0}.gl-course-lesson-7-1 .breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#ffffff1a;padding:6px 15px;border-radius:20px}.gl-course-lesson-7-1 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;color:var(--secondary);line-height:1.2;text-align:start}.gl-course-lesson-7-1 .hero-header p{font-size:1.15rem;color:#ffffffe6;text-align:start}.gl-course-lesson-7-1 .hero-icon{font-size:8rem;color:#ffffff0d;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.gl-course-lesson-7-1 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.gl-course-lesson-7-1 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.gl-course-lesson-7-1 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-weight:800}.gl-course-lesson-7-1 .module-list{list-style:none}.gl-course-lesson-7-1 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;color:var(--text-muted);border-left:3px solid transparent}.gl-course-lesson-7-1 .module-item i{width:20px;text-align:center;color:var(--text-muted)}.gl-course-lesson-7-1 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.gl-course-lesson-7-1 .module-item.active{background:#f0f9ff;color:var(--primary-dark);border-left-color:var(--secondary-dark)}.gl-course-lesson-7-1 .module-item.active i{color:var(--secondary-dark)}.gl-course-lesson-7-1 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.gl-course-lesson-7-1 .progress-header{display:flex;justify-content:space-between;font-weight:700;font-size:.9rem;margin-bottom:10px;color:var(--text-main)}.gl-course-lesson-7-1 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.gl-course-lesson-7-1 .progress-fill{height:100%;background:var(--secondary);transition:width .6s ease}.gl-course-lesson-7-1 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light)}.gl-course-lesson-7-1 .fade-in{animation:glFadeIn .5s ease-out}@keyframes glFadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.gl-course-lesson-7-1 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.gl-course-lesson-7-1 .module-title i{color:var(--secondary-dark)}.gl-course-lesson-7-1 .explanation{font-size:1.1rem;margin-bottom:20px;color:var(--text-main)}.gl-course-lesson-7-1 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--primary-light);padding:25px;border-radius:var(--radius-md);margin:25px 0}.gl-course-lesson-7-1 .methode-box.js-theme{border-left-color:var(--secondary);background:#f8fafc}.gl-course-lesson-7-1 .methode-box.alert-theme{border-left-color:var(--accent);background:#fffbeb}.gl-course-lesson-7-1 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800}.gl-course-lesson-7-1 ul.styled-list,.gl-course-lesson-7-1 ol.styled-list{margin-left:1.5rem}.gl-course-lesson-7-1 .styled-list li{margin-bottom:.8rem}.gl-course-lesson-7-1 .quote-block{background:#00000008;padding:15px;border-radius:8px;font-style:italic;border-left:3px solid var(--text-muted);margin-top:15px}.gl-course-lesson-7-1 .roles-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.gl-course-lesson-7-1 .role-card{background:#f8fafc;border:1px solid var(--border-light);padding:20px;border-radius:12px;text-align:center;transition:.3s}.gl-course-lesson-7-1 .role-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--secondary)}.gl-course-lesson-7-1 .role-icon{font-size:2.5rem;color:var(--secondary);margin-bottom:15px}.gl-course-lesson-7-1 .image-container{text-align:center;margin:25px 0;background:var(--bg-body);padding:20px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.gl-course-lesson-7-1 .course-image{max-width:100%;height:auto;max-height:400px;object-fit:contain;border-radius:8px;box-shadow:var(--shadow-sm)}.gl-course-lesson-7-1 .btn-primary,.gl-course-lesson-7-1 .btn-secondary,.gl-course-lesson-7-1 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s ease;border:none;text-decoration:none}.gl-course-lesson-7-1 .btn-primary{background:var(--primary-dark);color:#fff}.gl-course-lesson-7-1 .btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow-md)}.gl-course-lesson-7-1 .btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.gl-course-lesson-7-1 .btn-secondary:hover{background:#e2e8f0}.gl-course-lesson-7-1 .btn-outline-primary{background:transparent;border:2px solid var(--primary-dark);color:var(--primary-dark)}.gl-course-lesson-7-1 .btn-outline-primary:hover{background:var(--primary-dark);color:#fff}.gl-course-lesson-7-1 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex;justify-content:center}.gl-course-lesson-7-1 .action-footer.space-between{justify-content:space-between}.gl-course-lesson-7-1 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0}.gl-course-lesson-7-1 .exercice-header{background:#f8fafc;padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:15px}.gl-course-lesson-7-1 .exercice-header .icon{font-size:1.5rem;color:var(--secondary)}.gl-course-lesson-7-1 .exercice-body{padding:25px}.gl-course-lesson-7-1 .correction-content{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;padding:20px;margin-top:15px;animation:glSlideDown .3s ease-out}@keyframes glSlideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.gl-course-lesson-7-1 .quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.gl-course-lesson-7-1 .quiz-progress-fill{height:100%;background:var(--secondary);transition:width .3s ease}.gl-course-lesson-7-1 .quiz-question{padding:20px 0}.gl-course-lesson-7-1 .quiz-question h4{font-size:1.25rem;color:var(--primary-dark);margin-bottom:25px;line-height:1.5;font-weight:800}.gl-course-lesson-7-1 .quiz-options{display:flex;flex-direction:column;gap:12px}.gl-course-lesson-7-1 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:15px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;cursor:pointer;transition:.2s;display:flex;justify-content:space-between;align-items:center}.gl-course-lesson-7-1 .quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:#f0f9ff;transform:translate(5px)}.gl-course-lesson-7-1 .quiz-btn.correct{background:var(--success-light);border-color:var(--success);color:#065f46}.gl-course-lesson-7-1 .quiz-btn.wrong{background:var(--danger-light);border-color:var(--danger);color:#991b1b}.gl-course-lesson-7-1 .quiz-btn:disabled{cursor:not-allowed}.gl-course-lesson-7-1 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:glSlideDown .3s ease}.gl-course-lesson-7-1 .feedback-msg.success{background:var(--success-light);color:#065f46;border:1px solid #a7f3d0}.gl-course-lesson-7-1 .feedback-msg.error{background:var(--danger-light);color:#991b1b;border:1px solid #fecaca}.gl-course-lesson-7-1 .results-card{text-align:center;padding:40px}.gl-course-lesson-7-1 .score-icon{font-size:4rem;color:var(--accent);margin-bottom:10px}.gl-course-lesson-7-1 .big-score{font-size:5rem;font-weight:800;color:var(--primary-dark);margin:20px 0}.gl-course-lesson-7-1 .total-score{font-size:2rem;color:var(--text-muted)}.gl-course-lesson-7-1 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.gl-course-lesson-7-1 .site-footer{background:#0f172a;color:#f1f5f9;padding:30px 5%;margin-top:auto;text-align:center;font-size:.9rem}.confetti-piece{position:absolute;top:-20px;width:10px;height:20px;border-radius:2px;opacity:0;animation:glConfettiFall linear forwards}@keyframes glConfettiFall{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(105vh) rotate(720deg);opacity:0}}@media(max-width:992px){.gl-course-lesson-7-1 .container{flex-direction:column;margin-top:20px}.gl-course-lesson-7-1 .sidebar{width:100%;position:static;order:2;margin-top:30px}.gl-course-lesson-7-1 .main-content{order:1;padding:20px;width:100%}.gl-course-lesson-7-1 .hero-content{align-items:center}.gl-course-lesson-7-1 .hero-header h1{font-size:1.8rem;text-align:center}.gl-course-lesson-7-1 .hero-header p{text-align:center}}@media(max-width:768px){.gl-course-lesson-7-1 .nav-left .nav-links{display:none}.gl-course-lesson-7-1 .action-footer.space-between{flex-direction:column;gap:15px}.gl-course-lesson-7-1 .btn-primary,.gl-course-lesson-7-1 .btn-secondary{width:100%;justify-content:center}}.inline-code{background:#f1f5f9;padding:2px 6px;border-radius:4px;font-family:var(--font-math);font-size:.85em}.nav-left,.nav-right{display:flex;align-items:center;gap:30px}.user-profile .avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--primary)}.dropdown-menu{position:absolute;top:120%;right:0;background:var(--bg-surface);width:220px;border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:1px solid var(--border-light);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s}.dropdown-item{display:flex;align-items:center;gap:12px;padding:12px 20px;font-weight:600;color:var(--text-main)}.lang-selector{display:flex;gap:5px;background:var(--bg-body);padding:5px;border-radius:20px}.lang-btn{background:transparent;border:none;padding:5px 10px;border-radius:15px;cursor:pointer;font-weight:700;color:var(--text-muted)}.lang-btn.active{background:var(--primary);color:#fff}.hero-header{background:linear-gradient(135deg,#0f3b21,#071f11);color:#fff;padding:60px 5%;position:relative;overflow:hidden}.hero-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:start;justify-content:center;max-width:800px;margin:0 auto;text-align:center}.breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;display:inline-flex;background:#ffffff1a;padding:6px 15px;border-radius:20px}.hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;color:var(--secondary)}.sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;margin-bottom:20px;font-weight:800}.module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:12px;font-weight:600;border-left:3px solid transparent;transition:.3s}.module-item i{width:20px;color:var(--text-muted)}.module-item:hover{background:var(--bg-body)}.module-item.active{background:#eafaf1;color:var(--primary-dark);border-left-color:var(--primary)}.module-item.active i{color:var(--primary)}.progress-header{display:flex;justify-content:space-between;font-weight:700;margin-bottom:10px;font-size:.9rem}.progress-fill{height:100%;background:var(--primary);transition:width .6s}.module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;border-bottom:2px solid var(--bg-body);padding-bottom:15px}.module-title i{color:var(--primary)}.methode-box{border-left:4px solid var(--accent);padding:25px;border-radius:var(--radius-md);margin:25px 0;background:var(--bg-surface);border:1px solid var(--border-light);border-right:1px solid var(--border-light);border-bottom:1px solid var(--border-light)}.methode-box.js-theme{border-left-color:var(--primary);background:#f8fbf9}.methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.35rem}.methode-box h4{margin-top:15px;margin-bottom:10px;color:var(--primary-dark)}.exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;margin:30px 0}.exercice-header{background:#f8fafc;padding:20px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:15px}.exercice-header .icon{font-size:1.5rem;color:var(--primary)}.exercice-header h3{font-size:1.3rem;color:var(--primary-dark);margin:0}.interactive-zone{background:#f1f5f9;padding:25px;border-radius:8px;border:1px dashed #cbd5e1}.btn-primary,.btn-secondary,.btn-outline-primary,.btn-action{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;cursor:pointer;border:none;transition:.3s}.btn-primary{background:var(--primary-dark);color:#fff}.btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow-md)}.action-footer.space-between{justify-content:space-between}.custom-table{width:100%;border-collapse:collapse;text-align:left}.custom-table th{background:#f1f5f9;padding:12px;font-weight:800;border-bottom:2px solid #cbd5e1}.custom-table td{padding:12px;border-bottom:1px solid #e2e8f0;font-family:var(--font-math)}.image-container{text-align:center;margin:30px 0}.quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px}.quiz-progress-fill{height:100%;background:var(--primary);transition:.3s}.question-text{font-size:1.25rem;color:var(--primary-dark);margin-bottom:20px;font-weight:800}.quiz-options{display:flex;flex-direction:column;gap:10px}.quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:15px;border-radius:10px;font-size:1rem;font-weight:600;margin-bottom:10px;cursor:pointer;transition:.2s;display:flex;justify-content:space-between;align-items:center}.quiz-btn:hover:not(:disabled){border-color:var(--primary);background:#eafaf1}.quiz-btn.wrong{background:#f8d7da;border-color:var(--danger);color:#721c24}.feedback-msg{margin-top:15px;padding:15px;border-radius:8px;font-weight:700;text-align:center;display:none}.feedback-msg.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb;display:block}.feedback-msg.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb;display:block}.big-score{font-size:4rem;font-weight:800;color:var(--primary-dark);margin:20px 0}.site-footer{background:#0f172a;color:#f1f5f9;padding:30px 5%;text-align:center;margin-top:auto}@media(max-width:992px){.container{flex-direction:column}.sidebar{width:100%;order:2;position:static;margin-top:30px}.main-content{order:1;width:100%}.nav-links{display:none}.hero-header h1{font-size:1.8rem}.hero-icon{right:-5%;opacity:.1}}@media(max-width:768px){.quiz-actions{flex-direction:column}.footer-container{flex-direction:column;align-items:flex-start}.action-footer.space-between{flex-direction:column;gap:15px}.btn-primary,.btn-secondary{width:100%;justify-content:center}.hero-header{flex-direction:column;text-align:center}.hero-icon{display:none}}:root{--primary: #0f3b21;--primary-light: #1e7041;--primary-dark: #071f11;--secondary: #f7df1e;--secondary-dark: #d4b800;--accent: #38bdf8;--bg-body: #f4f7f6;--bg-surface: #ffffff;--text-main: #2c3e50;--text-muted: #6c7a89;--border-light: #e0e6ed;--danger: #e74c3c;--danger-light: #fceceb;--success: #27ae60;--success-light: #eafaf1;--warning: #f39c12;--warning-light: #fdfaf4;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}.math-font{font-family:var(--font-math);letter-spacing:-.5px;font-weight:500;font-size:.9em}.hero-header{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.hero-icon{font-size:8rem;color:#f7df1e1a;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.module-item.active{background:#fffbeb;color:var(--primary-dark);border-left-color:var(--secondary-dark)}.methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--accent);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005}.methode-box.js-theme{border-left-color:var(--secondary-dark);background:#fffdf5}.code-editor{background:#1e1e1e;border-radius:8px;overflow:hidden;margin:20px 0;box-shadow:var(--shadow-md)}.btn-primary,.btn-secondary,.btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:.3s;border:none}.btn-action{background:var(--accent);color:#fff;padding:10px 20px;border:none;border-radius:6px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px}.quiz-progress-fill{height:100%;background:var(--secondary-dark);transition:.3s}.quiz-btn:hover:not(:disabled){border-color:var(--secondary-dark);background:#fffbeb;transform:translate(5px)}.quiz-btn.wrong{background:#f8d7da!important;border-color:var(--danger)!important;color:#721c24;animation:shake .5s}.feedback-msg.success{background:var(--success-light);color:#155724;display:block}.feedback-msg.error{background:var(--danger-light);color:#721c24;display:block}.lang-btn{background:transparent;border:none;cursor:pointer;font-weight:700;padding:5px 12px;border-radius:15px;transition:.3s;color:#94a3b8}:root{--primary: #0f172a;--primary-light: #334155;--primary-dark: #020617;--secondary: #38bdf8;--secondary-dark: #0284c7;--accent: #f59e0b;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--danger-light: #fef2f2;--success: #10b981;--success-light: #ecfdf5;--warning: #f59e0b;--warning-light: #fffbeb;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}ul.styled-list,ol.styled-list{margin-left:1.8rem}.inline-code{background:#f1f5f9;padding:3px 6px;border-radius:4px;color:var(--secondary-dark);border:1px solid var(--border-light);font-family:var(--font-math);font-size:.9em}.p-2{padding:.5rem}.px-3{padding:0 1rem}.text-muted{color:var(--text-muted)!important}.text-primary{color:var(--secondary-dark)!important}.border-light{border:1px solid var(--border-light)}.rounded{border-radius:6px}.dropdown-item:hover{background:var(--bg-body);color:var(--secondary-dark)}.module-title i{color:var(--secondary-dark)}.methode-box.js-theme{border-left-color:var(--accent);background:var(--warning-light)}.image-container{text-align:center;margin:30px 0;background:var(--bg-body);padding:20px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.code-editor{background:#1e1e1e;border-radius:8px;overflow:hidden;margin:15px 0;box-shadow:var(--shadow-md)}.code-header{background:#2d2d2d;padding:10px 15px;display:flex;align-items:center;gap:8px;border-bottom:1px solid #404040}.code-header .dot{width:12px;height:12px;border-radius:50%}.dot.red{background:#ff5f56}.dot.yellow{background:#ffbd2e}.dot.green{background:#27c93f}.code-header span{color:#858585;font-size:.85rem;font-family:var(--font-math);margin-left:10px}.code-editor pre{padding:20px;overflow-x:auto;color:#d4d4d4;line-height:1.6;margin:0}.code-editor .keyword{color:#569cd6;font-weight:700}.code-editor .string{color:#ce9178}.code-editor .comment{color:#6a9955;font-style:italic}.exercice-header .icon{font-size:1.5rem;color:var(--secondary-dark)}.interactive-zone{background:#f1f5f9;padding:25px;border-radius:8px;border:1px dashed #cbd5e1;text-align:center}.device-simulator{border:2px solid var(--border-light);border-radius:12px;background:#fff;overflow:hidden;box-shadow:var(--shadow-sm)}.device-header{background:#f1f5f9;color:var(--primary);padding:10px;border-bottom:1px solid var(--border-light);font-weight:700;font-size:.9em}.form-control{border:1px solid #cbd5e1;transition:.3s;font-family:var(--font-main)}.form-control:focus{outline:none;border-color:var(--secondary-dark);box-shadow:0 0 0 3px #0284c71a}.btn-primary,.btn-secondary,.btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s ease;border:none;text-decoration:none}.btn-primary{background:var(--primary-dark);color:#fff;box-shadow:0 4px 12px #00000026}.btn-primary:hover{background:#000;transform:translateY(-2px)}.btn-action{background:var(--success);color:#fff;padding:10px 20px;border:none;border-radius:6px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:.2s}.btn-action:hover{background:#059669;transform:translateY(-1px)}.correction-content{background:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;padding:20px;margin-top:15px;animation:slideDown .3s ease-out;text-align:left}.quiz-btn:hover:not(:disabled){border-color:var(--secondary-dark);background:#f0f9ff;transform:translate(5px)}.quiz-btn.correct{background:var(--success-light);border-color:var(--success);color:#065f46}.quiz-btn.wrong{background:var(--danger-light);border-color:var(--danger);color:#991b1b;animation:shake .5s}.quiz-btn.show-correct{background:var(--success-light);border-color:var(--success);border-style:dashed}.quiz-btn:disabled{cursor:default}.feedback-msg.success{background:var(--success-light);color:#065f46;border:1px solid #a7f3d0;display:block}.feedback-msg.error{background:var(--danger-light);color:#991b1b;border:1px solid #fecaca;display:block}.big-score{font-size:5rem;font-weight:800;color:var(--primary-dark);line-height:1;margin:20px 0}.site-footer{background:#0f172a;color:#f1f5f9;padding:40px 5%;margin-top:auto}.lang-btn.active{background:var(--secondary-dark);color:#fff;box-shadow:0 2px 8px #0003}@media(max-width:992px){.container{flex-direction:column;margin-top:20px}.sidebar{width:100%;position:static;order:2;margin-top:30px}.main-content{order:1;padding:30px;width:100%}.hero-header h1{font-size:1.8rem}.hero-icon{right:-5%;opacity:.1}}@media(max-width:768px){.nav-left .nav-links{display:none}.quiz-actions{flex-direction:column}.footer-container{flex-direction:column;align-items:flex-start}.action-footer.space-between{flex-direction:column;gap:15px}.btn-primary,.btn-secondary{width:100%;justify-content:center}.hero-header{flex-direction:column;text-align:center}.hero-icon{display:none}}:root{--primary: #0f3b21;--primary-light: #1e7041;--primary-dark: #071f11;--secondary: #38bdf8;--secondary-dark: #0284c7;--accent: #f59e0b;--bg-body: #f4f7f6;--bg-surface: #ffffff;--text-main: #2c3e50;--text-muted: #6c7a89;--border-light: #e0e6ed;--danger: #e74c3c;--danger-light: #fceceb;--success: #27ae60;--success-light: #eafaf1;--warning: #f39c12;--warning-light: #fdfaf4;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}ul.styled-list{margin-left:1.5rem}ul.styled-list li{margin-bottom:.8rem}.math-font{font-family:var(--font-math);letter-spacing:-.5px;font-size:.9em}.top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark)}.nav-link{font-weight:600;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.nav-link:hover{color:var(--secondary-dark)}.hero-header{background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#ffffff1a;padding:6px 15px;border-radius:20px}.hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;color:var(--secondary);line-height:1.2}.module-item.active{background:#f0f9ff;color:var(--primary-dark);border-left-color:var(--secondary-dark)}.module-item.active 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var(--border-light);padding-bottom:5px}.trace-chain{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:15px;background:#fff;padding:20px;border-radius:8px;border:1px solid #e2e8f0}.trace-item{background:#f8fafc;padding:10px 15px;border-radius:6px;border:1px solid #cbd5e1;font-weight:600;display:flex;align-items:center;gap:8px;box-shadow:var(--shadow-sm)}.trace-item i{color:var(--secondary-dark)}.trace-arrow{color:#94a3b8;font-size:1.2rem}.table-responsive{overflow-x:auto;margin:20px 0}.custom-table,.test-case-table{width:100%;border-collapse:collapse;text-align:left;background:#fff;box-shadow:var(--shadow-sm);border-radius:8px;overflow:hidden}.custom-table th,.test-case-table th{background:#f1f5f9;color:var(--primary-dark);padding:15px;border-bottom:2px solid #cbd5e1;font-weight:800}.custom-table td,.test-case-table td{border-bottom:1px solid #e2e8f0;padding:15px;vertical-align:middle}.custom-table tr:hover,.test-case-table 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#cbd5e1}.course-image{max-width:100%;height:auto;max-height:400px;object-fit:contain;border-radius:8px;box-shadow:var(--shadow-sm)}.correction-content{background:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;padding:20px;margin-top:15px;animation:slideDown .3s ease-out}.quiz-progress-fill{height:100%;background:var(--secondary-dark);transition:width .3s ease}.question-number{font-size:.9rem;color:var(--text-muted);margin-bottom:10px}.question-text{font-size:1.25rem;color:var(--primary-dark);margin-bottom:25px;font-weight:800}.quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 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#f59e0b;--warning-light: #fffbeb;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 32px rgba(37, 99, 235, .2);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}pre[class*=language-]{border-radius:8px!important;box-shadow:var(--shadow-md);margin:15px 0!important;font-family:var(--font-math)!important;font-size:.9em}code[class*=language-]{font-family:var(--font-math)!important}.hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;letter-spacing:-.5px}.methode-box.gl-theme-box{border-left-color:var(--primary-light);background:#eff6ff}.action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex;align-items:center}.center-content{justify-content:center;width:100%;text-align:center}.feedback-msg.info{background:#e2e3e5;color:#383d41;border:1px solid #d6d8db}.math-font{font-family:var(--font-math);letter-spacing:-.5px;font-variant-numeric:tabular-nums}.math-container{background:#f8fafc;border:1px solid var(--border-light);padding:15px;border-radius:8px;font-size:1.1rem;display:flex;align-items:center;flex-wrap:wrap;gap:10px}.math-fraction{display:inline-block;vertical-align:middle;text-align:center;margin:0 .5rem}.math-fraction>span{display:block;padding:.2rem .5rem}.math-fraction span.fdn{border-top:2px solid var(--text-main)}.image-container{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.bg-step-4{background:#8b5cf6}.td-question,.tp-box{background:var(--bg-body);padding:15px;border-radius:8px;border-left:3px solid var(--secondary)}.input-group{display:flex;align-items:center}.input-field{width:100%;padding:12px 15px;border:1px solid #cbd5e1;border-radius:6px;outline:none;transition:.3s;font-family:var(--font-main);font-size:1rem}.input-group .input-field{width:auto;flex:1}.tp-feedback{font-weight:700;min-height:24px}.error-shake{animation:shake .4s ease-in-out;border-color:var(--danger)!important;color:var(--danger)}.quiz-btn.correct-reveal{background:#e0f2fe;border-color:var(--secondary);border-width:3px;box-shadow:0 0 10px #38bdf866}.quiz-btn.correct-reveal .reveal-text{color:var(--secondary-hover);font-size:.85rem;font-style:italic;margin-left:10px}code{font-family:var(--font-math);background:#f1f5f9;padding:2px 6px;border-radius:4px;color:var(--danger);font-size:.9em}pre code{background:transparent;padding:0;color:inherit}.mb-0{margin-bottom:0!important}.text-lg{font-size:1.25rem}.phone-mockup{width:280px;height:480px;border:10px solid #334155;border-radius:30px;margin:0 auto;background:#fff;position:relative;overflow:hidden;box-shadow:0 10px 30px #00000026;display:flex;flex-direction:column}.phone-screen{padding:20px;height:100%;display:flex;flex-direction:column}.app-header{text-align:center;font-weight:800;color:#fff;background:var(--primary);margin:-20px -20px 20px;padding:15px;font-size:1.1rem}.balance-box{background:var(--success-light);border:1px solid #a7f3d0;border-radius:12px;padding:15px;text-align:center;color:var(--success)}.balance-box span{display:block;font-size:.85rem;text-transform:uppercase;font-weight:700;margin-bottom:5px;color:#047857}.form-control{width:100%;padding:12px;border:2px solid var(--border-light);border-radius:8px;font-size:1.1rem;outline:none;transition:border-color .2s}.sim-alert{padding:10px;border-radius:8px;font-size:.9rem;font-weight:700}.sim-alert.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.sim-alert.success{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}.quiz-btn.correct-reveal{background:#d1fae5;border-color:var(--success);color:#065f46;border-width:2px}#celebration{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;display:none}@media(max-width:992px){.container{flex-direction:column;margin-top:20px}.sidebar{width:100%;position:static;order:2;margin-top:30px}.main-content{order:1;padding:30px;width:100%}.grid-2-cols{flex-direction:column;grid-template-columns:1fr}.hero-header h1{font-size:2rem}.hero-icon{right:-5%;opacity:.2}}:root{--primary: #1e1b4b;--primary-light: #312e81;--primary-dark: #0f172a;--secondary: #6366f1;--secondary-hover: #4f46e5;--accent: #14b8a6;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--success: #10b981;--success-light: #ecfdf5;--warning: #f59e0b;--warning-light: #fffbeb;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}pre[class*=language-]{border-radius:8px;box-shadow:var(--shadow-sm);font-family:var(--font-math);margin-bottom:1.5rem}.test-case-table{width:100%;border-collapse:collapse;background:#fff;font-size:.95rem}.test-case-table th,.test-case-table td{padding:12px 15px;border:1px solid var(--border-light);text-align:left}.test-case-table th{background:var(--primary-light);color:#fff;font-weight:700}.test-case-table tr:nth-child(2n){background-color:#f8fafc}.tp-simulator-container{display:flex;gap:20px;align-items:flex-start}.tp-code-panel,.tp-exec-panel{flex:1;background:#1e293b;color:#f8fafc;border-radius:8px;padding:20px;box-shadow:inset 0 2px 4px #0003}.tp-code-panel h4,.tp-exec-panel h4{color:#cbd5e1;border-bottom:1px solid #334155;padding-bottom:10px;margin-bottom:15px;font-size:1rem}.code-lines .cline{padding:4px 8px;border-radius:4px;transition:.3s;border-left:3px solid transparent}.code-lines .cline.active{background:#6366f14d;border-left-color:#818cf8}.code-lines .cline.error{background:#ef44444d;border-left-color:#f87171}.code-lines .keyword{color:#c678dd}.code-lines .number{color:#d19a66}.code-lines .comment{color:#5c6370;font-style:italic}.input-row{display:flex;gap:10px}.form-control{flex:1;padding:10px 15px;border-radius:6px;border:1px solid #475569;background:#0f172a;color:#fff;outline:none}.form-control:focus{border-color:var(--secondary)}.console-output{background:#000;padding:15px;border-radius:6px;font-size:.9rem;border-left:4px solid var(--accent);color:#10b981}.quiz-btn.correct{background:#d4edda!important;border-color:var(--success)!important;color:#155724!important}.quiz-btn.wrong{background:#f8d7da!important;border-color:var(--danger)!important;color:#721c24!important;animation:shake .5s}@media(max-width:992px){.container{flex-direction:column;margin-top:20px}.sidebar{width:100%;position:static;order:2;margin-top:30px}.main-content{order:1;padding:30px;width:100%}.grid-2-cols{grid-template-columns:1fr}.tp-simulator-container{flex-direction:column}.hero-header h1{font-size:2rem}.hero-icon{right:-5%;opacity:.2}}code,pre{font-family:var(--font-math)!important;font-size:.9em}.ml-3{margin-left:1rem}.d-flex{display:flex}.d-block{display:block}.form-control{width:100%;padding:12px;border-radius:8px;border:1px solid var(--border-light);font-family:var(--font-main);font-size:1rem;transition:border-color .3s}.form-control:focus{outline:none;border-color:var(--secondary);box-shadow:0 0 0 3px #6366f133}.badge{padding:4px 8px;border-radius:4px;font-size:.75rem;font-weight:700;letter-spacing:.5px}.badge-warning{background:var(--warning-light);color:#92400e;border:1px solid var(--warning)}.badge-danger{background:var(--danger-light);color:#991b1b;border:1px solid var(--danger)}.breadcrumb{font-size:.85rem;color:#fffc;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#0000004d;padding:6px 15px;border-radius:20px;font-weight:600;line-height:1.4;word-break:break-word}.trio-container{display:flex;justify-content:space-between;align-items:center;margin:40px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-lg);border:1px dashed var(--border-light)}.trio-item{text-align:center;flex:1;padding:20px;background:#fff;border-radius:12px;box-shadow:var(--shadow-sm);z-index:2}.trio-icon{font-size:2.5rem;margin-bottom:15px}.trio-item h4{color:var(--primary);margin-bottom:10px;font-weight:800}.trio-item p{font-size:.9rem;color:var(--text-muted);line-height:1.4}.trio-arrow{font-size:2rem;color:#cbd5e1;margin:0 10px}.image-container{text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1;overflow:hidden}.tp-simulator{display:flex;gap:20px;flex-wrap:wrap}.tp-panel{flex:1;min-width:300px;background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:20px;box-shadow:var(--shadow-sm)}.tp-panel h4{font-size:1.1rem;color:var(--primary);margin-bottom:15px;border-bottom:2px solid var(--bg-body);padding-bottom:10px}.tp-panel pre{margin:0;border-radius:6px}.highlight-bug{background-color:#ef44444d;border-bottom:2px solid var(--danger);padding:0 2px;border-radius:2px}.memory-box{background:#1e293b;color:#f8fafc;padding:15px;border-radius:8px;border-left:4px solid var(--warning);font-family:var(--font-math)}.memory-box h5{color:#94a3b8;font-family:var(--font-main);margin-bottom:10px;font-size:.95rem;text-transform:uppercase;letter-spacing:1px}.screen-box{background:#fff;border:4px solid #334155;border-radius:12px;padding:20px;text-align:center}.screen-box h5{color:var(--text-muted);margin-bottom:15px;font-size:.95rem;text-align:left}.user-ui{border:1px solid #e2e8f0;padding:20px;border-radius:8px;background:#f8fafc}.user-ui h4{margin-bottom:15px;color:var(--primary);font-weight:800}@media(max-width:992px){.container{flex-direction:column;margin-top:20px}.sidebar{width:100%;position:static;order:2;margin-top:30px}.main-content{order:1;padding:30px;width:100%}.grid-2-cols{grid-template-columns:1fr}.hero-header h1{font-size:2rem}.hero-icon{right:-5%;opacity:.2}.trio-container{flex-direction:column;gap:20px}.trio-arrow{transform:rotate(90deg);margin:10px 0}.tp-simulator{flex-direction:column}}:root{--primary: #1e1b4b;--primary-light: #312e81;--primary-dark: #0f172a;--secondary: #6366f1;--secondary-hover: #4f46e5;--accent: #14b8a6;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--danger-light: #fef2f2;--success: #10b981;--success-light: #ecfdf5;--warning: #f59e0b;--warning-light: #fffbeb;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}.mr-4{margin-right:1.5rem}.small{font-size:.85rem}.nav-right{display:flex;align-items:center}.lang-selector-top{display:flex;gap:5px;background:var(--bg-body);padding:4px;border-radius:20px;border:1px solid var(--border-light)}.lang-btn{background:transparent;color:var(--text-muted);border:none;padding:4px 10px;border-radius:16px;cursor:pointer;font-weight:700;font-size:.85rem;transition:.3s}.lang-btn.active{background:var(--secondary);color:#fff;box-shadow:var(--shadow-sm)}.hero-header h1{font-size:2.3rem;font-weight:800;margin-bottom:10px;letter-spacing:-.5px;color:#818cf8}.module-item.active{background:var(--primary-light);color:#fff;border-left-color:var(--accent)}.methode-box.js-theme-box{border-left-color:var(--secondary);background:#eef2ff}.exercice-header{background:var(--secondary);padding:20px 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auto;display:flex;justify-content:center;align-items:center;flex-wrap:wrap;text-align:center}@media(max-width:992px){.container{flex-direction:column;margin-top:20px}.sidebar{width:100%;position:static;order:2;margin-top:30px}.main-content{order:1;padding:30px;width:100%}.grid-2-cols,.display-flex{flex-direction:column;grid-template-columns:1fr}.hero-header h1{font-size:2rem}.hero-icon{right:-5%;opacity:.2}.col-arrow{transform:rotate(90deg);margin:15px 0}}:root{--primary: #2e1065;--primary-light: #4c1d95;--primary-dark: #1e1b4b;--secondary: #8b5cf6;--secondary-hover: #7c3aed;--accent: #14b8a6;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--success: #10b981;--success-light: #ecfdf5;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", 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.icon{font-size:1.5rem;color:var(--accent)}.wireframe-workspace{display:flex;gap:30px;margin-top:20px;align-items:flex-start}.wire-toolbox{flex:1;background:var(--bg-body);padding:20px;border-radius:8px;border:1px solid var(--border-light)}.tool-btn{display:flex;align-items:center;gap:10px;width:100%;padding:12px;margin-bottom:10px;background:#fff;border:1px dashed var(--secondary);border-radius:6px;cursor:pointer;font-weight:600;color:var(--primary);transition:.2s}.tool-btn:hover{background:#f5f3ff;border-style:solid;transform:translate(5px)}.tool-btn i{color:var(--secondary);font-size:1.2rem}.phone-frame{width:280px;height:550px;background:#1e293b;border-radius:35px;padding:12px;box-shadow:var(--shadow-md);position:relative;flex-shrink:0;margin:0 auto;border:4px solid #cbd5e1}.phone-notch{position:absolute;top:12px;left:50%;transform:translate(-50%);width:100px;height:25px;background:#1e293b;border-bottom-left-radius:15px;border-bottom-right-radius:15px;z-index:10}.phone-screen{background:#fff;width:100%;height:100%;border-radius:25px;overflow:hidden;position:relative;display:flex;flex-direction:column;padding:35px 10px 10px;gap:10px}.wire-element{background:#e2e8f0;border:2px solid #94a3b8;border-radius:8px;padding:10px;font-weight:700;color:#475569;animation:popIn .3s}@keyframes popIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.btn-primary,.btn-secondary,.btn-outline-primary,.btn-outline-secondary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s;border:none;text-decoration:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px 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.container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.gl-course-lesson-3-4 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.gl-course-lesson-3-4 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-weight:800}.gl-course-lesson-3-4 .module-list{list-style:none}.gl-course-lesson-3-4 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;color:var(--text-main);border-left:3px solid transparent}.gl-course-lesson-3-4 .module-item i{width:20px;text-align:center;color:var(--text-muted);transition:.3s}.gl-course-lesson-3-4 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.gl-course-lesson-3-4 .module-item.active{background:var(--primary);color:#fff;border-left-color:var(--secondary)}.gl-course-lesson-3-4 .module-item.active i{color:var(--secondary)}.gl-course-lesson-3-4 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.gl-course-lesson-3-4 .progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700;font-size:.9rem}.gl-course-lesson-3-4 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.gl-course-lesson-3-4 .progress-fill{height:100%;background:linear-gradient(90deg,var(--secondary),var(--accent));transition:width .6s cubic-bezier(.4,0,.2,1)}.gl-course-lesson-3-4 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.gl-course-lesson-3-4 .fade-in{animation:fadeIn .5s ease-out}.gl-course-lesson-3-4 .module-title{color:var(--primary);margin-bottom:30px;font-size:1.8rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.gl-course-lesson-3-4 .module-title i{color:var(--secondary-hover)}.gl-course-lesson-3-4 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.gl-course-lesson-3-4 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--text-muted);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005}.gl-course-lesson-3-4 .methode-box.js-theme-box{border-left-color:var(--secondary);background:#f0f9ff}.gl-course-lesson-3-4 .methode-box.alert-theme{border-left-color:var(--accent);background:#fffbeb}.gl-course-lesson-3-4 .methode-box h3{color:var(--primary);margin-bottom:12px;font-size:1.25rem;font-weight:800}.gl-course-lesson-3-4 .grid-2-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}.gl-course-lesson-3-4 .image-container{text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.gl-course-lesson-3-4 .course-image{max-width:100%;max-height:350px;height:auto;border-radius:8px;box-shadow:var(--shadow-sm);object-fit:contain}.gl-course-lesson-3-4 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0}.gl-course-lesson-3-4 .exercice-header{background:var(--primary);padding:20px 25px;display:flex;align-items:center;gap:15px}.gl-course-lesson-3-4 .exercice-header .icon{font-size:1.5rem;color:var(--secondary)}.gl-course-lesson-3-4 .exercice-header h3{font-size:1.3rem;font-weight:800;color:#fff;margin:0}.gl-course-lesson-3-4 .exercice-body{padding:25px}.gl-course-lesson-3-4 .correction-box{background:var(--success-light);border:1px solid #a7f3d0;padding:20px;border-radius:8px;animation:slideDown .3s ease-out}.gl-course-lesson-3-4 .custom-textarea{width:100%;padding:15px;border:1px solid #cbd5e1;border-radius:8px;font-family:var(--font-main);font-size:1rem;resize:vertical;transition:.3s}.gl-course-lesson-3-4 .custom-textarea:focus{outline:none;border-color:var(--secondary);box-shadow:0 0 0 3px #38bdf833}.gl-course-lesson-3-4 .drawing-app{border:2px solid var(--border-light);border-radius:8px;overflow:hidden;background:#fff;box-shadow:inset 0 2px 4px #0000000d}.gl-course-lesson-3-4 .drawing-toolbar{display:flex;padding:10px;background:#f1f5f9;border-bottom:1px solid var(--border-light);gap:10px;align-items:center}.gl-course-lesson-3-4 .tool-btn{width:40px;height:40px;border:none;border-radius:6px;background:transparent;cursor:pointer;color:var(--text-muted);transition:.2s;display:flex;align-items:center;justify-content:center;font-size:1.2rem}.gl-course-lesson-3-4 .tool-btn:hover{background:#e2e8f0;color:var(--primary)}.gl-course-lesson-3-4 .tool-btn.active{background:var(--secondary);color:#fff}.gl-course-lesson-3-4 .tool-divider{width:1px;height:30px;background:#cbd5e1;margin:0 5px}.gl-course-lesson-3-4 #prototypeCanvas{display:block;width:100%;background:#fff;cursor:crosshair;touch-action:none}.gl-course-lesson-3-4 .btn-primary,.gl-course-lesson-3-4 .btn-secondary,.gl-course-lesson-3-4 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;text-decoration:none}.gl-course-lesson-3-4 .btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px #02061726}.gl-course-lesson-3-4 .btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.gl-course-lesson-3-4 .btn-primary i{color:var(--secondary)}.gl-course-lesson-3-4 .btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.gl-course-lesson-3-4 .btn-secondary:hover{background:#e2e8f0}.gl-course-lesson-3-4 .btn-outline-primary{background:transparent;border:2px solid var(--primary);color:var(--primary)}.gl-course-lesson-3-4 .btn-outline-primary:hover{background:var(--primary);color:#fff}.gl-course-lesson-3-4 .btn-sm{padding:8px 16px;font-size:.9rem}.gl-course-lesson-3-4 .btn-lg{padding:15px 30px;font-size:1.1rem;border-radius:10px}.gl-course-lesson-3-4 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex}.gl-course-lesson-3-4 .space-between{justify-content:space-between}.gl-course-lesson-3-4 .pulse-btn{background:var(--secondary);color:var(--primary-dark);animation:pulse 2s infinite}.gl-course-lesson-3-4 .quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.gl-course-lesson-3-4 .quiz-progress-fill{height:100%;background:var(--secondary);transition:width .3s ease}.gl-course-lesson-3-4 .quiz-question{padding:30px 0}.gl-course-lesson-3-4 .question-number{font-size:1rem;font-weight:700;color:var(--secondary-hover);margin-bottom:15px}.gl-course-lesson-3-4 .question-text{font-size:1.25rem;color:var(--primary);margin-bottom:25px;line-height:1.5;font-weight:800}.gl-course-lesson-3-4 .quiz-options{display:flex;flex-direction:column;gap:12px}.gl-course-lesson-3-4 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;justify-content:start;gap:20px;align-items:center}.gl-course-lesson-3-4 .quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:#f0f9ff;transform:translate(5px)}.gl-course-lesson-3-4 .quiz-btn.correct{background:#d4edda;border-color:var(--success);color:#155724}.gl-course-lesson-3-4 .quiz-btn.wrong{background:#f8d7da;border-color:var(--danger);color:#721c24;animation:shake .5s}.gl-course-lesson-3-4 .quiz-btn:disabled{cursor:not-allowed}.gl-course-lesson-3-4 .option-letter{font-weight:700;color:var(--primary);margin-right:10px}.gl-course-lesson-3-4 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:slideDown .3s ease-out}.gl-course-lesson-3-4 .feedback-msg.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.gl-course-lesson-3-4 .feedback-msg.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.gl-course-lesson-3-4 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.gl-course-lesson-3-4 .score-icon{font-size:4rem;color:var(--secondary);margin-bottom:10px}.gl-course-lesson-3-4 .big-score{font-size:5rem;font-weight:800;color:var(--primary);line-height:1;margin:20px 0}.gl-course-lesson-3-4 .total-score{font-size:2rem;color:var(--text-muted)}.gl-course-lesson-3-4 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.gl-course-lesson-3-4 .quiz-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.gl-course-lesson-3-4 .site-footer{background:#020617;color:#f1f5f9;padding:20px 5%;margin-top:auto;border-top:4px solid var(--secondary);text-align:center}.gl-course-lesson-3-4 .footer-container{max-width:1400px;margin:0 auto}@media(max-width:992px){.gl-course-lesson-3-4 .container{flex-direction:column;margin-top:20px}.gl-course-lesson-3-4 .sidebar{width:100%;position:static;order:2;margin-top:30px}.gl-course-lesson-3-4 .main-content{order:1;padding:30px;width:100%}.gl-course-lesson-3-4 .grid-2-cols{grid-template-columns:1fr}.gl-course-lesson-3-4 .hero-header h1{font-size:2rem}.gl-course-lesson-3-4 .hero-icon{right:-5%;opacity:.2}}@media(max-width:768px){.gl-course-lesson-3-4 .nav-left .nav-links{display:none}.gl-course-lesson-3-4 .quiz-actions{flex-direction:column}.gl-course-lesson-3-4 .action-footer.space-between{flex-direction:column;gap:15px}.gl-course-lesson-3-4 .btn-primary,.gl-course-lesson-3-4 .btn-secondary{width:100%;justify-content:center}}code{font-family:var(--font-math)}.gl-course-lesson-3-3 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#75cdebf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.gl-course-lesson-3-3 .nav-left{display:flex;align-items:center;gap:40px}.gl-course-lesson-3-3 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary)}.gl-course-lesson-3-3 .brand-logo img{border-radius:8px;border:1px solid #e2e8f0}.gl-course-lesson-3-3 .nav-links{display:flex;gap:20px}.gl-course-lesson-3-3 .nav-link{font-weight:700;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.gl-course-lesson-3-3 .nav-link:hover{color:var(--secondary-hover)}.gl-course-lesson-3-3 .user-profile{display:flex;align-items:center;gap:10px;cursor:pointer;padding:5px 10px;border-radius:30px;transition:.3s}.gl-course-lesson-3-3 .user-profile:hover{background:var(--bg-body)}.gl-course-lesson-3-3 .user-profile .avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--secondary)}.gl-course-lesson-3-3 .user-name{font-weight:700;font-size:.95rem}.gl-course-lesson-3-3 .lang-selector{display:flex;align-items:center;gap:5px;background:#f1f5f9;padding:5px 10px;border-radius:20px}.gl-course-lesson-3-3 .lang-selector i{color:var(--text-muted);margin-right:5px}.gl-course-lesson-3-3 .lang-btn{background:transparent;color:var(--text-muted);border:none;padding:4px 8px;border-radius:12px;cursor:pointer;font-weight:700;transition:.3s;font-size:.85rem}.gl-course-lesson-3-3 .lang-btn:hover{color:var(--primary)}.gl-course-lesson-3-3 .lang-btn.active{background:var(--secondary);color:var(--primary-dark);box-shadow:var(--shadow-sm)}.gl-course-lesson-3-3 .hero-header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden;border-bottom:4px solid var(--secondary)}.gl-course-lesson-3-3 .hero-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:start;justify-content:center;margin:0;max-width:800px}.gl-course-lesson-3-3 .breadcrumb{font-size:.85rem;color:#fffc;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#0000004d;padding:6px 15px;border-radius:20px;font-family:var(--font-main);line-height:1.4;word-break:break-word}.gl-course-lesson-3-3 .hero-header h1{font-size:2.3rem;font-weight:800;margin-bottom:10px;letter-spacing:-.5px;color:var(--secondary)}.gl-course-lesson-3-3 .hero-header p{font-size:1.15rem;color:#ffffffe6}.gl-course-lesson-3-3 .hero-icon{font-size:8rem;color:#ffffff08;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.gl-course-lesson-3-3 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.gl-course-lesson-3-3 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.gl-course-lesson-3-3 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-weight:800}.gl-course-lesson-3-3 .module-list{list-style:none}.gl-course-lesson-3-3 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;color:var(--text-main);border-left:3px solid transparent}.gl-course-lesson-3-3 .module-item i{width:20px;text-align:center;color:var(--text-muted);transition:.3s}.gl-course-lesson-3-3 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.gl-course-lesson-3-3 .module-item.active{background:var(--primary);color:#fff;border-left-color:var(--secondary)}.gl-course-lesson-3-3 .module-item.active i{color:var(--secondary)}.gl-course-lesson-3-3 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.gl-course-lesson-3-3 .progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700;font-size:.9rem}.gl-course-lesson-3-3 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.gl-course-lesson-3-3 .progress-fill{height:100%;background:linear-gradient(90deg,var(--secondary),var(--accent));transition:width .6s cubic-bezier(.4,0,.2,1)}.gl-course-lesson-3-3 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.gl-course-lesson-3-3 .fade-in{animation:fadeIn .5s ease-out}.gl-course-lesson-3-3 .module-title{color:var(--primary);margin-bottom:30px;font-size:1.8rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.gl-course-lesson-3-3 .module-title i{color:var(--secondary-hover)}.gl-course-lesson-3-3 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.gl-course-lesson-3-3 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--text-muted);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005}.gl-course-lesson-3-3 .methode-box.js-theme-box{border-left-color:var(--secondary);background:#f0f9ff}.gl-course-lesson-3-3 .methode-box.alert-theme{border-left-color:var(--accent);background:#fffbeb}.gl-course-lesson-3-3 .methode-box h3{color:var(--primary);margin-bottom:12px;font-size:1.25rem;font-weight:800}.gl-course-lesson-3-3 .grid-2-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}.gl-course-lesson-3-3 .image-container{text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.gl-course-lesson-3-3 .course-image{max-width:100%;max-height:400px;height:auto;border-radius:8px;box-shadow:var(--shadow-sm);object-fit:contain}.gl-course-lesson-3-3 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0}.gl-course-lesson-3-3 .exercice-header{background:var(--primary);padding:20px 25px;display:flex;align-items:center;gap:15px}.gl-course-lesson-3-3 .exercice-header .icon{font-size:1.5rem;color:var(--secondary)}.gl-course-lesson-3-3 .exercice-header h3{font-size:1.3rem;font-weight:800;color:#fff;margin:0}.gl-course-lesson-3-3 .exercice-body{padding:25px}.gl-course-lesson-3-3 .correction-box{background:var(--success-light);border:1px solid #a7f3d0;padding:20px;border-radius:8px;animation:slideDown .3s ease-out}.gl-course-lesson-3-3 .code-block{background:#1e293b;color:#f8fafc;padding:20px;border-radius:8px;border-left:4px solid var(--secondary);font-size:1.05rem;overflow:hidden}.gl-course-lesson-3-3 .classifier-game{text-align:center;padding:20px;background:var(--bg-body);border-radius:var(--radius-md);border:1px dashed var(--border-light)}.gl-course-lesson-3-3 .statement-display{background:#fff;padding:25px;border-radius:8px;font-size:1.2rem;font-weight:700;box-shadow:var(--shadow-md);color:var(--primary);min-height:100px;display:flex;align-items:center;justify-content:center;border:2px solid var(--secondary)}.gl-course-lesson-3-3 .category-buttons{display:flex;gap:15px;justify-content:center;flex-wrap:wrap;margin-top:20px}.gl-course-lesson-3-3 .btn-category{background:var(--bg-surface);border:2px solid var(--primary-light);color:var(--primary);padding:12px 20px;border-radius:8px;font-weight:700;cursor:pointer;transition:.2s;flex:1;min-width:150px}.gl-course-lesson-3-3 .btn-category:hover{background:var(--primary-light);color:#fff}.gl-course-lesson-3-3 .sim-feedback{min-height:24px;font-weight:700}.gl-course-lesson-3-3 .btn-primary,.gl-course-lesson-3-3 .btn-secondary,.gl-course-lesson-3-3 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;text-decoration:none}.gl-course-lesson-3-3 .btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px #02061726}.gl-course-lesson-3-3 .btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.gl-course-lesson-3-3 .btn-primary i{color:var(--secondary)}.gl-course-lesson-3-3 .btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.gl-course-lesson-3-3 .btn-secondary:hover{background:#e2e8f0}.gl-course-lesson-3-3 .btn-outline-primary{background:transparent;border:2px solid var(--primary);color:var(--primary)}.gl-course-lesson-3-3 .btn-outline-primary:hover{background:var(--primary);color:#fff}.gl-course-lesson-3-3 .btn-sm{padding:8px 16px;font-size:.9rem}.gl-course-lesson-3-3 .btn-lg{padding:15px 30px;font-size:1.1rem;border-radius:10px}.gl-course-lesson-3-3 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex}.gl-course-lesson-3-3 .space-between{justify-content:space-between}.gl-course-lesson-3-3 .pulse-btn{background:var(--secondary);color:var(--primary-dark);animation:pulse 2s infinite}.gl-course-lesson-3-3 .quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.gl-course-lesson-3-3 .quiz-progress-fill{height:100%;background:var(--secondary);transition:width .3s ease}.gl-course-lesson-3-3 .quiz-question{padding:30px 0}.gl-course-lesson-3-3 .question-number{font-size:1rem;font-weight:700;color:var(--secondary-hover);margin-bottom:15px}.gl-course-lesson-3-3 .question-text{font-size:1.25rem;color:var(--primary);margin-bottom:25px;line-height:1.5;font-weight:800}.gl-course-lesson-3-3 .quiz-options{display:flex;flex-direction:column;gap:12px}.gl-course-lesson-3-3 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;justify-content:space-between;align-items:center}.gl-course-lesson-3-3 .quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:#f0f9ff;transform:translate(5px)}.gl-course-lesson-3-3 .quiz-btn.correct{background:#d4edda;border-color:var(--success);color:#155724}.gl-course-lesson-3-3 .quiz-btn.wrong{background:#f8d7da;border-color:var(--danger);color:#721c24;animation:shake .5s}.gl-course-lesson-3-3 .quiz-btn:disabled{cursor:not-allowed}.gl-course-lesson-3-3 .option-letter{font-weight:700;color:var(--primary);margin-right:10px}.gl-course-lesson-3-3 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:slideDown .3s ease-out}.gl-course-lesson-3-3 .feedback-msg.success{background:#d4edda;color:#155724;border:1px solid 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.footer-container{max-width:1400px;margin:0 auto}@media(max-width:992px){.gl-course-lesson-3-3 .container{flex-direction:column;margin-top:20px}.gl-course-lesson-3-3 .sidebar{width:100%;position:static;order:2;margin-top:30px}.gl-course-lesson-3-3 .main-content{order:1;padding:30px;width:100%}.gl-course-lesson-3-3 .grid-2-cols{grid-template-columns:1fr}.gl-course-lesson-3-3 .hero-header h1{font-size:2rem}.gl-course-lesson-3-3 .hero-icon{right:-5%;opacity:.2}.gl-course-lesson-3-3 .category-buttons{flex-direction:column}}@media(max-width:768px){.gl-course-lesson-3-3 .nav-left .nav-links{display:none}.gl-course-lesson-3-3 .quiz-actions{flex-direction:column}.gl-course-lesson-3-3 .action-footer.space-between{flex-direction:column;gap:15px}.gl-course-lesson-3-3 .btn-primary,.gl-course-lesson-3-3 .btn-secondary{width:100%;justify-content:center}}:root{--primary: #0f172a;--primary-light: #1e293b;--primary-dark: #020617;--secondary: #38bdf8;--secondary-hover: #0284c7;--accent: #10b981;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--danger-light: #fef2f2;--success: #10b981;--success-light: #ecfdf5;--warning: #f59e0b;--warning-light: #fffbeb;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}.my-3{margin:1rem 0}.text-sm{font-size:.85rem}.font-weight-bold,.fw-bold{font-weight:700}.p-4{padding:1.5rem}.bg-light{background-color:#f1f5f9}.rounded{border-radius:var(--radius-md)}.border{border:1px solid var(--border-light)}.gl-course-lesson-3-2 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#75cdebf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.gl-course-lesson-3-2 .nav-left{display:flex;align-items:center;gap:40px}.gl-course-lesson-3-2 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary)}.gl-course-lesson-3-2 .brand-logo img{border-radius:8px;border:1px solid #e2e8f0}.gl-course-lesson-3-2 .nav-links{display:flex;gap:20px}.gl-course-lesson-3-2 .nav-link{font-weight:700;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.gl-course-lesson-3-2 .nav-link:hover{color:var(--secondary-hover)}.gl-course-lesson-3-2 .nav-right{display:flex;align-items:center;gap:20px}.gl-course-lesson-3-2 .lang-selector{display:flex;align-items:center;gap:5px;background:#f1f5f9;padding:5px 10px;border-radius:20px}.gl-course-lesson-3-2 .lang-selector i{color:var(--text-muted);margin-right:5px}.gl-course-lesson-3-2 .lang-btn{background:transparent;color:var(--text-muted);border:none;padding:4px 8px;border-radius:12px;cursor:pointer;font-weight:700;transition:.3s;font-size:.85rem}.gl-course-lesson-3-2 .lang-btn:hover{color:var(--primary)}.gl-course-lesson-3-2 .lang-btn.active{background:var(--secondary);color:var(--primary-dark);box-shadow:var(--shadow-sm)}.gl-course-lesson-3-2 .user-profile{display:flex;align-items:center;gap:10px;cursor:pointer;padding:5px 10px;border-radius:30px;transition:.3s}.gl-course-lesson-3-2 .user-profile:hover{background:var(--bg-body)}.gl-course-lesson-3-2 .user-profile .avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--secondary)}.gl-course-lesson-3-2 .user-name{font-weight:700;font-size:.95rem}.gl-course-lesson-3-2 .hero-header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden;border-bottom:4px solid var(--accent)}.gl-course-lesson-3-2 .hero-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:start;justify-content:center;margin:0;max-width:800px}.gl-course-lesson-3-2 .breadcrumb{font-size:.85rem;color:#fffc;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#0000004d;padding:6px 15px;border-radius:20px;font-family:var(--font-math);line-height:1.4;word-break:break-word}.gl-course-lesson-3-2 .hero-header h1{font-size:2.3rem;font-weight:800;margin-bottom:10px;letter-spacing:-.5px;color:var(--secondary)}.gl-course-lesson-3-2 .hero-header p{font-size:1.15rem;color:#ffffffe6}.gl-course-lesson-3-2 .hero-icon{font-size:8rem;color:#ffffff08;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(-10deg);z-index:1}.gl-course-lesson-3-2 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.gl-course-lesson-3-2 .sidebar{flex:0 0 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.module-title{color:var(--primary);margin-bottom:30px;font-size:1.8rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.gl-course-lesson-3-2 .module-title i{color:var(--secondary-hover)}.gl-course-lesson-3-2 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.gl-course-lesson-3-2 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--text-muted);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005}.gl-course-lesson-3-2 .methode-box.js-theme-box{border-left-color:var(--secondary);background:#f0f9ff}.gl-course-lesson-3-2 .methode-box.alert-theme{border-left-color:var(--warning);background:#fffbeb}.gl-course-lesson-3-2 .methode-box h3,.gl-course-lesson-3-2 .methode-box h4{color:var(--primary);margin-bottom:12px;font-weight:800}.gl-course-lesson-3-2 .methode-box h3{font-size:1.25rem}.gl-course-lesson-3-2 .methode-box h4{font-size:1.1rem}.gl-course-lesson-3-2 .example-box{background:#f8fafc;padding:15px;border-radius:8px;border:1px dashed #cbd5e1;margin-top:10px;font-style:italic}.gl-course-lesson-3-2 .code-block{background:#1e293b;color:#f8fafc;padding:20px;border-radius:8px;border-left:4px solid var(--secondary);font-size:1.05rem}.gl-course-lesson-3-2 .grid-2-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}.gl-course-lesson-3-2 .image-container{text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.gl-course-lesson-3-2 .course-image{max-width:100%;max-height:400px;height:auto;border-radius:8px;box-shadow:var(--shadow-sm);object-fit:contain}.gl-course-lesson-3-2 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0}.gl-course-lesson-3-2 .exercice-header{background:var(--primary);padding:20px 25px;display:flex;align-items:center;gap:15px}.gl-course-lesson-3-2 .exercice-header .icon{font-size:1.5rem;color:var(--secondary)}.gl-course-lesson-3-2 .exercice-header h3{font-size:1.3rem;font-weight:800;color:#fff;margin:0}.gl-course-lesson-3-2 .exercice-body{padding:25px}.gl-course-lesson-3-2 .correction-box{background:var(--success-light);border:1px solid #a7f3d0;padding:20px;border-radius:8px;animation:slideDown .3s ease-out}.gl-course-lesson-3-2 .bad-req-list{display:flex;flex-direction:column;gap:10px}.gl-course-lesson-3-2 .bad-req{background:#fef2f2;border:1px solid #fecaca;padding:12px 15px;border-radius:6px;color:#991b1b;font-weight:600}.gl-course-lesson-3-2 .builder-row{display:flex;align-items:center;gap:15px;margin-bottom:15px;flex-wrap:wrap}.gl-course-lesson-3-2 .builder-select{padding:10px 15px;border-radius:8px;border:2px solid #cbd5e1;font-family:var(--font-main);font-size:1rem;flex:1;min-width:200px;outline:none;transition:.2s}.gl-course-lesson-3-2 .builder-select:focus{border-color:var(--secondary);box-shadow:0 0 0 3px #38bdf833}.gl-course-lesson-3-2 .btn-primary,.gl-course-lesson-3-2 .btn-secondary,.gl-course-lesson-3-2 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;text-decoration:none}.gl-course-lesson-3-2 .btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px #02061726}.gl-course-lesson-3-2 .btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.gl-course-lesson-3-2 .btn-primary i{color:var(--secondary)}.gl-course-lesson-3-2 .btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.gl-course-lesson-3-2 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h4{font-size:1.25rem;color:var(--primary);margin-bottom:25px;line-height:1.5;font-weight:800}.gl-course-lesson-3-2 .quiz-options{display:flex;flex-direction:column;gap:12px}.gl-course-lesson-3-2 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;justify-content:space-between;align-items:center}.gl-course-lesson-3-2 .quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:#f0f9ff;transform:translate(5px)}.gl-course-lesson-3-2 .quiz-btn.correct{background:#d4edda;border-color:var(--success);color:#155724}.gl-course-lesson-3-2 .quiz-btn.wrong{background:#f8d7da;border-color:var(--danger);color:#721c24;animation:shake .5s}.gl-course-lesson-3-2 .quiz-btn:disabled{cursor:not-allowed}.gl-course-lesson-3-2 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:slideDown .3s ease-out}.gl-course-lesson-3-2 .feedback-msg.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.gl-course-lesson-3-2 .feedback-msg.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb;cursor:pointer}.gl-course-lesson-3-2 .feedback-msg.error:hover{opacity:.9}.gl-course-lesson-3-2 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.gl-course-lesson-3-2 .score-icon{font-size:4rem;color:var(--secondary);margin-bottom:10px}.gl-course-lesson-3-2 .big-score{font-size:5rem;font-weight:800;color:var(--primary);line-height:1;margin:20px 0}.gl-course-lesson-3-2 .total-score{font-size:2rem;color:var(--text-muted)}.gl-course-lesson-3-2 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.gl-course-lesson-3-2 .quiz-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.gl-course-lesson-3-2 .site-footer{background:#020617;color:#f1f5f9;padding:20px 5%;margin-top:auto;border-top:4px solid var(--secondary);text-align:center}.gl-course-lesson-3-2 .footer-container{max-width:1400px;margin:0 auto}@media(max-width:992px){.gl-course-lesson-3-2 .container{flex-direction:column;margin-top:20px}.gl-course-lesson-3-2 .sidebar{width:100%;position:static;order:2;margin-top:30px}.gl-course-lesson-3-2 .main-content{order:1;padding:30px;width:100%}.gl-course-lesson-3-2 .grid-2-cols{grid-template-columns:1fr}.gl-course-lesson-3-2 .hero-header h1{font-size:2rem}.gl-course-lesson-3-2 .hero-icon{right:-5%;opacity:.2}}@media(max-width:768px){.gl-course-lesson-3-2 .nav-left .nav-links{display:none}.gl-course-lesson-3-2 .quiz-actions{flex-direction:column}.gl-course-lesson-3-2 .action-footer.space-between{flex-direction:column;gap:15px}.gl-course-lesson-3-2 .btn-primary,.gl-course-lesson-3-2 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var(--primary-light)}.dropdown-menu{position:absolute;top:120%;right:0;background:var(--bg-surface);width:220px;border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:1px solid var(--border-light);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s cubic-bezier(.4,0,.2,1)}.hero-header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden;border-bottom:4px solid var(--accent)}.hero-content{position:relative;z-index:2;max-width:800px;display:flex;flex-direction:column;align-items:start;justify-content:center;margin:0}.breadcrumb{font-size:.9rem;color:#fffc;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#0003;padding:6px 15px;border-radius:20px;font-family:var(--font-math)}.hero-header h1{font-size:2.5rem;font-weight:800;margin-bottom:10px;letter-spacing:-.5px}.hero-header p{font-size:1.15rem;color:#ffffffe6}.hero-icon{font-size:8rem;color:#ffffff1a;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(-10deg);z-index:1}.module-item.active{background:var(--primary);color:#fff;border-left-color:var(--accent)}.module-item.active i{color:var(--accent)}.progress-fill{height:100%;background:linear-gradient(90deg,var(--secondary),var(--primary-light));transition:width .6s cubic-bezier(.4,0,.2,1)}.fade-in{animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.module-title{color:var(--primary);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.module-title i{color:var(--primary-light)}.methode-box.gl-theme-box{border-left-color:var(--primary-light);background:#f0fdf4;background:#eff6ff}.methode-box.alert-theme{border-left-color:var(--accent);background:#fffbeb}.methode-box.success-theme{border-left-color:var(--success);background:var(--success-light)}.methode-box.danger-theme{border-left-color:var(--danger);background:var(--danger-light)}.methode-box h3{color:var(--primary);margin-bottom:12px;font-size:1.25rem;font-weight:800}.divider{height:1px;background:var(--border-light);margin:20px 0;border:none}.alert-info{background:#f8fafc;border:1px solid #cbd5e1;padding:15px;border-radius:8px;color:#334155}.exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0}.exercice-header{background:var(--primary);padding:20px 25px;display:flex;align-items:center;gap:15px}.exercice-header h3{font-size:1.3rem;font-weight:800;color:#fff;margin:0}.correction-box{background:#f8fafc;border:1px solid #cbd5e1;border-left:4px solid var(--success);padding:20px;border-radius:8px;transition:all .3s ease;overflow:hidden}.hidden-correction{display:none}.tp-scenario{background:#f1f5f9;padding:20px;border-radius:10px;border:1px solid #e2e8f0}.tp-options{display:flex;gap:15px;margin-top:15px}.sim-feedback{display:block;margin-top:12px;font-weight:700;font-size:.95rem;min-height:22px;transition:.3s}.sim-feedback.success{color:var(--success)}.sim-feedback.error{color:var(--danger)}.btn-primary,.btn-secondary,.btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;text-decoration:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px #1e3a8a33}.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-outline-primary{background:transparent;border:2px solid var(--primary-light);color:var(--primary-light)}.btn-outline-primary:hover{background:var(--primary-light);color:#fff}.btn-outline-primary:disabled{border-color:#cbd5e1;color:#94a3b8;cursor:not-allowed;background:transparent;transform:none}.center-content{justify-content:center}@keyframes pulse{0%{box-shadow:0 0 #2563eb66}70%{box-shadow:0 0 0 15px #0000}to{box-shadow:0 0 #0000}}.quiz-progress-fill{height:100%;background:var(--primary-light);transition:width .3s ease}.quiz-question{padding:30px 0}.quiz-question h4{font-size:1.25rem;color:var(--primary);margin-bottom:25px;line-height:1.5;font-weight:800}.quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;justify-content:space-between;align-items:center}.quiz-btn:hover:not(:disabled){border-color:var(--primary-light);background:#eff6ff;transform:translate(5px)}.score-icon{font-size:4rem;margin-bottom:10px}.badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px;padding:0 20px}.feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:slideDown .3s ease-out}.feedback-msg.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.feedback-msg.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb;cursor:pointer}.feedback-msg.error:hover{opacity:.9}.site-footer{background:#0f172a;color:#f1f5f9;padding:40px 5%;margin-top:auto;border-top:4px solid var(--primary-light)}.footer-container{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:30px}.footer-left{display:flex;flex-direction:column;gap:8px}.credits a{color:var(--secondary);font-weight:700;text-decoration:none;transition:.2s}.lang-selector{display:flex;align-items:center;gap:10px;background:#ffffff1a;padding:10px 20px;border-radius:30px}.lang-btn:hover{color:#fff}.lang-btn.active{background:var(--primary-light);color:#fff;box-shadow:0 2px 8px #0003}@media(max-width:992px){.container{flex-direction:column;margin-top:20px}.sidebar{width:100%;position:static;order:2;margin-top:30px}.main-content{order:1;padding:30px;width:100%}.grid-2-cols{grid-template-columns:1fr}.hero-header h1{font-size:2rem}.hero-icon{right:-5%;opacity:.2}}@media(max-width:768px){.nav-left .nav-links{display:none}.quiz-actions{flex-direction:column}.footer-container{flex-direction:column;align-items:flex-start}.action-footer.space-between{flex-direction:column;gap:15px}.btn-primary,.btn-secondary{width:100%;justify-content:center}.tp-options{flex-direction:column}}:root{--primary: #0f172a;--primary-light: #1e293b;--primary-dark: #020617;--secondary: #38bdf8;--secondary-hover: #0284c7;--accent: #8b5cf6;--bg-body: #f1f5f9;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--success: #10b981;--warning: #f59e0b;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}body{font-family:var(--font-main);background:var(--bg-body);color:var(--text-main);line-height:1.6;display:flex;flex-direction:column;min-height:100vh}a{text-decoration:none;color:inherit}ul.styled-list,ol.styled-list{margin-left:1.5rem}ul.styled-list li,ol.styled-list li{margin-bottom:.5rem}.math-font{font-family:var(--font-math);letter-spacing:-.5px}.font-weight-bold{font-weight:700}.text-center{text-align:center}.text-danger{color:var(--danger)!important}.text-success{color:var(--success)!important}.text-warning{color:var(--warning)!important}.text-accent{color:var(--accent)!important}.text-primary{color:var(--primary)!important}.text-highlight{background:#f0fdfa;padding:5px 10px;border-left:3px solid var(--secondary);display:inline-block}.mt-2{margin-top:.5rem}.mt-3{margin-top:1rem}.mt-4{margin-top:1.5rem}.mt-5{margin-top:3rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:1rem}.mb-4{margin-bottom:1.5rem}.mr-2{margin-right:.5rem}.top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#75cdebf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.nav-left{display:flex;align-items:center;gap:40px}.brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary)}.nav-links{display:flex;gap:20px}.nav-link{font-weight:700;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.nav-link:hover{color:var(--secondary-hover)}.user-profile{display:flex;align-items:center;gap:10px;cursor:pointer;position:relative;padding:5px 10px;border-radius:30px;transition:.3s}.user-profile:hover{background:var(--bg-body)}.user-profile .avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--secondary);background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}.user-name{font-weight:700;font-size:.95rem}.dropdown-menu{position:absolute;top:120%;right:0;background:var(--bg-surface);width:220px;border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:1px solid var(--border-light);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s ease}.dropdown-menu.show{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-item{display:flex;align-items:center;gap:12px;padding:12px 20px;font-weight:600;color:var(--text-main);transition:.2s}.dropdown-item:hover{background:var(--bg-body);color:var(--primary)}.dropdown-divider{height:1px;background:var(--border-light);margin:5px 0}.hero-header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;padding:50px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden;border-bottom:4px solid var(--secondary)}.hero-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:start;justify-content:center;margin:0;max-width:900px}.breadcrumb{font-size:.85rem;color:#fffc;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#0000004d;padding:8px 15px;border-radius:20px;font-weight:600}.hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;line-height:1.3;color:var(--secondary)}.hero-header p{font-size:1.1rem;color:#ffffffe6}.hero-icon{font-size:8rem;color:#ffffff08;position:absolute;right:5%;top:50%;transform:translateY(-50%);z-index:1}.container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-weight:800}.module-list{list-style:none}.module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;color:var(--text-main);border-left:3px solid transparent}.module-item i{width:20px;text-align:center;color:var(--text-muted);transition:.3s}.module-item:hover{background:var(--bg-body);transform:translate(4px)}.module-item.active{background:#f0f9ff;color:var(--secondary-hover);border-left-color:var(--secondary)}.module-item.active i{color:var(--secondary-hover)}.progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700;font-size:.9rem}.progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--secondary),var(--accent));transition:width .6s ease}.main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.fade-in{animation:fadeIn .4s ease-out forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.module-title{color:var(--primary);margin-bottom:30px;font-size:1.8rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.module-title i{color:var(--secondary)}.explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--text-muted);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005}.methode-box.main-theme-box{border-left-color:var(--secondary);background:#f0f9ff}.methode-box.alert-theme{border-left-color:var(--danger);background:#fef2f2}.methode-box h3,.methode-box h4{color:var(--primary);margin-bottom:12px;font-weight:800}.example-box{background:#fff9;padding:15px;border-radius:8px;border:1px solid var(--border-light);border-left:3px solid var(--accent)}.grid-2-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}.image-container{text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.course-image{max-width:100%;max-height:400px;height:auto;border-radius:8px;box-shadow:var(--shadow-sm);object-fit:contain}.timeline{display:flex;flex-direction:column;gap:20px}.exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:20px}.exercice-header{padding:15px 25px;display:flex;align-items:center;gap:15px;background:var(--primary-light);color:#fff}.exercice-header .icon{font-size:1.5rem;color:#fff}.exercice-header h3{font-size:1.2rem;font-weight:800;margin:0;color:#fff}.exercice-body{padding:25px}.bg-step-1{background:#334155}.bg-step-2{background:#475569}.bg-step-3{background:#64748b}.bg-step-4{background:#0284c7}.bg-step-5{background:#0369a1}.bg-step-6{background:#075985}.bg-step-7{background:#0f172a}.bg-warning{background:var(--warning)!important;color:#fff!important}.bg-success{background:var(--success)!important;color:#fff!important}.border-accent{border:2px solid var(--accent)}.border-warning{border:2px solid var(--warning)}.border-success{border:2px solid var(--success)}.td-question{background:var(--bg-body);padding:15px;border-radius:8px;border-left:3px solid var(--secondary)}.input-field{width:100%;padding:12px 15px;border:1px solid #cbd5e1;border-radius:6px;outline:none;transition:.3s;font-family:var(--font-main);font-size:1rem;resize:vertical}.input-field:focus{border-color:var(--secondary);box-shadow:0 0 0 2px #38bdf833}.correction-box{background:#ecfdf5;border:1px solid #a7f3d0;padding:20px;border-radius:8px;animation:slideDown .3s ease}.btn-primary,.btn-secondary,.btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s ease;border:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px #02061726}.btn-primary:hover{background:var(--secondary-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-primary i{color:var(--secondary)}.btn-primary:hover i{color:#fff}.btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.btn-secondary:hover{background:#e2e8f0}.btn-outline-primary{background:transparent;border:2px solid var(--primary);color:var(--primary)}.btn-outline-primary:hover{background:var(--primary);color:#fff}.btn-lg{padding:15px 30px;font-size:1.1rem;border-radius:10px}.action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex}.space-between{justify-content:space-between}.justify-center{justify-content:center}.pulse-btn{animation:pulse 2s infinite}@keyframes pulse{0%{box-shadow:0 0 #0f172a66}70%{box-shadow:0 0 0 15px #0f172a00}to{box-shadow:0 0 #0000}}.quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.quiz-progress-fill{height:100%;background:var(--secondary);transition:width .3s ease}.quiz-question{padding:20px 0}.quiz-question h4{font-size:1.2rem;color:var(--primary);margin-bottom:25px;line-height:1.5;font-weight:800}.quiz-options{display:flex;flex-direction:column;gap:12px}.quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;justify-content:start;gap:20px;align-items:center}.quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:#f0f9ff;transform:translate(5px)}.quiz-btn.correct{background:#d4edda;border-color:var(--success);color:#155724}.quiz-btn.wrong{background:#f8d7da;border-color:var(--danger);color:#721c24;animation:shake .5s}.quiz-btn:disabled{cursor:not-allowed}.feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:slideDown .3s ease-out;cursor:pointer}.feedback-msg.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb;cursor:default}.feedback-msg.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.feedback-msg.error:hover{background:#f5c6cb}.results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.score-icon{font-size:4rem;color:var(--secondary);margin-bottom:10px}.big-score{font-size:5rem;font-weight:800;color:var(--primary);line-height:1;margin:20px 0}.total-score{font-size:2rem;color:var(--text-muted)}.badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.quiz-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}@keyframes shake{0%,to{transform:translate(0)}25%,75%{transform:translate(-5px)}50%{transform:translate(5px)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.site-footer{background:#020617;color:#f1f5f9;padding:30px 5%;margin-top:auto;border-top:4px solid var(--secondary)}.footer-container{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}.credits{font-size:.9rem;color:#94a3b8}.credits a{color:var(--secondary);font-weight:700;transition:.2s}.credits a:hover{color:#fff;text-decoration:underline}.lang-selector{display:flex;align-items:center;gap:10px;background:#ffffff1a;padding:8px 15px;border-radius:30px}.lang-btn{background:transparent;color:#94a3b8;border:1px solid transparent;padding:5px 12px;border-radius:15px;cursor:pointer;font-weight:700;transition:.3s}.lang-btn.active,.lang-btn:hover{background:var(--secondary);color:var(--primary-dark)}#celebration{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;display:none;overflow:hidden}.confetti-piece{position:absolute;top:-20px;width:10px;height:20px;animation:fall linear forwards;border-radius:2px}@keyframes fall{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(105vh) rotate(720deg);opacity:0}}@media(max-width:992px){.container{flex-direction:column}.sidebar{width:100%;position:static;order:2;margin-top:30px}.main-content{order:1;padding:25px;width:100%}.grid-2-cols{grid-template-columns:1fr}.hero-header 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.breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#ffffff1a;padding:6px 15px;border-radius:20px}.html-css-3-5 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;color:#fff;line-height:1.2}.html-css-3-5 .hero-header p{font-size:1.15rem;color:#fffc}.html-css-3-5 .hero-icon{font-size:8rem;color:#c0392b33;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.html-css-3-5 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.html-css-3-5 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.html-css-3-5 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-weight:800}.html-css-3-5 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.quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.html-css-3-5 .quiz-progress-fill{height:100%;background:var(--primary);transition:width .3s ease}.html-css-3-5 .quiz-question{padding:30px 0}.html-css-3-5 .quiz-question h4{font-size:1.25rem;color:var(--secondary-dark);margin-bottom:25px;line-height:1.5;font-weight:800}.html-css-3-5 .quiz-options{display:flex;flex-direction:column;gap:12px}.html-css-3-5 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;gap:10px;align-items:center}.html-css-3-5 .option-letter{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--bg-body);color:var(--primary);font-weight:800;font-size:.85rem;flex-shrink:0}.html-css-3-5 .quiz-btn:hover:not(:disabled){border-color:var(--primary);background:#fdf2e9}.html-css-3-5 .quiz-btn.correct{background:var(--success-light);border-color:var(--success);color:#047857}.html-css-3-5 .quiz-btn.correct .option-letter{background:var(--success);color:#fff}.html-css-3-5 .quiz-btn.wrong{background:var(--danger-light);border-color:var(--danger);color:#b91c1c}.html-css-3-5 .quiz-btn.wrong .option-letter{background:var(--danger);color:#fff}.html-css-3-5 .quiz-btn:disabled{cursor:not-allowed}.html-css-3-5 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.html-css-3-5 .score-icon{font-size:4rem;margin-bottom:10px}.html-css-3-5 .score-icon.success{color:var(--success)}.html-css-3-5 .score-icon.fail{color:var(--danger)}.html-css-3-5 .big-score{font-size:5rem;font-weight:800;color:var(--secondary-dark);line-height:1;margin:20px 0}.html-css-3-5 .total-score{font-size:2rem;color:var(--text-muted)}.html-css-3-5 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.html-css-3-5 .quiz-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.html-css-3-5 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;animation:hc35SlideDown .3s}.html-css-3-5 .feedback-msg.success{background:var(--success-light);color:#047857;border:1px solid #a7f3d0}.html-css-3-5 .feedback-msg.error{background:var(--danger-light);color:#b91c1c;border:1px solid #fecaca}.html-css-3-5 #celebration{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;display:none;overflow:hidden}.html-css-3-5 .confetti-piece{position:absolute;top:-20px;width:10px;height:20px;animation:hc35ConfettiFall linear forwards;border-radius:2px}@keyframes hc35ConfettiFall{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(105vh) 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.nav-links{display:none}}.html-css-3-4{--primary: #d97706;--primary-light: #f59e0b;--primary-dark: #b45309;--secondary: #ec4899;--secondary-dark: #be185d;--accent: #8b5cf6;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--danger-light: #fef2f2;--success: #10b981;--success-light: #ecfdf5;--warning: #f59e0b;--shadow-sm: 0 1px 3px rgba(0,0,0,.1);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.1);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}.html-css-3-4 body{font-family:var(--font-main);background:var(--bg-body);color:var(--text-main);line-height:1.6;display:flex;flex-direction:column;min-height:100vh}.html-css-3-4 a{text-decoration:none;color:inherit}.html-css-3-4 ul.styled-list,.html-css-3-4 ol.styled-list{margin-left:1.5rem}.html-css-3-4 ul.styled-list li,.html-css-3-4 ol.styled-list li{margin-bottom:.8rem}.html-css-3-4 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.module-item.active{background:#fffbeb;color:var(--primary-dark);border-left-color:var(--primary)}.html-css-3-4 .module-item.active i{color:var(--primary)}.html-css-3-4 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.html-css-3-4 .progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700;font-size:.9rem}.html-css-3-4 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.html-css-3-4 .progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));transition:width .6s}.html-css-3-4 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.html-css-3-4 .fade-in{animation:hc34FadeIn .4s ease-out}@keyframes hc34FadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.html-css-3-4 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h4{font-size:1.25rem;color:var(--secondary-dark);margin-bottom:25px;line-height:1.5;font-weight:800}.html-css-3-4 .quiz-options{display:flex;flex-direction:column;gap:12px}.html-css-3-4 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;gap:10px;align-items:center}.html-css-3-4 .option-letter{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--bg-body);color:var(--primary);font-weight:800;font-size:.85rem;flex-shrink:0}.html-css-3-4 .quiz-btn:hover:not(:disabled){border-color:var(--primary);background:#fffbeb}.html-css-3-4 .quiz-btn.correct{background:var(--success-light);border-color:var(--success);color:#047857}.html-css-3-4 .quiz-btn.correct .option-letter{background:var(--success);color:#fff}.html-css-3-4 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.footer-left{display:flex;flex-direction:column;gap:8px}.html-css-3-4 .credits{font-size:.9rem;color:#fbcfe8}.html-css-3-4 .lang-selector{display:flex;align-items:center;gap:10px;background:#ffffff1a;padding:10px 20px;border-radius:30px}.html-css-3-4 .lang-btn{background:transparent;color:#fbcfe8;border:none;padding:5px 12px;border-radius:15px;cursor:pointer;font-weight:700;transition:.3s}.html-css-3-4 .lang-btn.active{background:var(--primary);color:#fff}@media(max-width:992px){.html-css-3-4 .container{flex-direction:column}.html-css-3-4 .sidebar{width:100%;position:static;order:2}.html-css-3-4 .main-content{order:1;padding:20px}}@media(max-width:768px){.html-css-3-4 .nav-left .nav-links{display:none}}.html-css-3-3{--primary: #2563eb;--primary-light: #3b82f6;--primary-dark: #1d4ed8;--secondary: #0891b2;--secondary-dark: #0e7490;--accent: #f59e0b;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--danger-light: 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.mt-2{margin-top:.5rem}.html-css-3-3 .mt-3{margin-top:1rem}.html-css-3-3 .mt-4{margin-top:1.5rem}.html-css-3-3 .mt-5{margin-top:3rem}.html-css-3-3 .mb-3{margin-bottom:1rem}.html-css-3-3 .mb-4{margin-bottom:1.5rem}.html-css-3-3 .text-danger{color:var(--danger)!important}.html-css-3-3 .text-success{color:var(--success)!important}.html-css-3-3 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.html-css-3-3 .nav-left,.html-css-3-3 .nav-right{display:flex;align-items:center;gap:20px}.html-css-3-3 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--secondary-dark)}.html-css-3-3 .nav-link{font-weight:600;color:var(--text-muted)}.html-css-3-3 .nav-link:hover{color:var(--primary)}.html-css-3-3 .hero-header{background:linear-gradient(135deg,var(--secondary-dark) 0%,var(--primary-dark) 100%);color:#fff;padding:60px 5%;position:relative;overflow:hidden}.html-css-3-3 .hero-content{position:relative;z-index:2;max-width:800px}.html-css-3-3 .breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#ffffff1a;padding:6px 15px;border-radius:20px}.html-css-3-3 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;color:#fff;line-height:1.2}.html-css-3-3 .hero-header p{font-size:1.15rem;color:#fffc}.html-css-3-3 .hero-icon{font-size:8rem;color:#ffffff1a;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.html-css-3-3 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.html-css-3-3 .sidebar{flex:0 0 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.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700;font-size:.9rem}.html-css-3-3 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.html-css-3-3 .progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));transition:width .6s}.html-css-3-3 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.html-css-3-3 .fade-in{animation:hc33FadeIn .4s ease-out}@keyframes hc33FadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.html-css-3-3 .module-title{color:var(--secondary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.html-css-3-3 .module-title i{color:var(--primary)}.html-css-3-3 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.html-css-3-3 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--secondary);padding:25px;border-radius:var(--radius-md);margin:25px 0}.html-css-3-3 .methode-box.js-theme{border-left-color:var(--primary);background:#f8fafc}.html-css-3-3 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.html-css-3-3 .methode-box h3{color:var(--secondary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800}.html-css-3-3 .code-editor{background:#1e1e1e;border-radius:8px;overflow:hidden;margin:20px 0;box-shadow:var(--shadow-md)}.html-css-3-3 .code-header{background:#2d2d2d;padding:10px 15px;display:flex;align-items:center;gap:8px;border-bottom:1px solid #404040}.html-css-3-3 .code-header .dot{width:12px;height:12px;border-radius:50%}.html-css-3-3 .dot.red{background:#ff5f56}.html-css-3-3 .dot.yellow{background:#ffbd2e}.html-css-3-3 .dot.green{background:#27c93f}.html-css-3-3 .code-header span{color:#858585;font-size:.85rem;font-family:var(--font-math);margin-left:10px}.html-css-3-3 .code-editor pre{padding:20px;overflow-x:auto;color:#d4d4d4;line-height:1.6;margin:0}.html-css-3-3 .code-editor .keyword{color:#c586c0}.html-css-3-3 .code-editor .string{color:#ce9178}.html-css-3-3 .code-editor .comment{color:#6a9955;font-style:italic}.html-css-3-3 .code-editor .html-tag{color:#569cd6}.html-css-3-3 .code-editor .html-attr{color:#9cdcfe}.html-css-3-3 .code-editor .css-selector{color:#d7ba7d}.html-css-3-3 .code-editor .css-property{color:#9cdcfe}.html-css-3-3 .code-editor .css-value{color:#ce9178}.html-css-3-3 .image-container{text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.html-css-3-3 .course-image{max-width:100%;height:auto;max-height:400px;object-fit:contain;border-radius:8px;box-shadow:var(--shadow-sm)}.html-css-3-3 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;margin:30px 0}.html-css-3-3 .exercice-header{background:#f8fafc;padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:15px}.html-css-3-3 .exercice-header .icon{font-size:1.5rem;color:var(--primary)}.html-css-3-3 .exercice-header h3{font-size:1.3rem;font-weight:800;color:var(--secondary-dark);margin:0}.html-css-3-3 .exercice-body{padding:25px}.html-css-3-3 .interactive-zone{background:#f1f5f9;padding:25px;border-radius:8px;border:1px dashed #cbd5e1;margin-top:15px;text-align:center}.html-css-3-3 .output-box{margin-top:20px;background:#fff;border:1px solid #e2e8f0;border-radius:8px;min-height:60px}.html-css-3-3 .correction-content{background:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;padding:20px;margin-top:15px;animation:hc33SlideDown .3s ease-out}@keyframes 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.btn-action{background:var(--secondary-dark);color:#fff}.html-css-3-3 .btn-action:hover{background:var(--secondary)}.html-css-3-3 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex}.html-css-3-3 .space-between{justify-content:space-between}.html-css-3-3 .center-flex{justify-content:center}.html-css-3-3 .quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.html-css-3-3 .quiz-progress-fill{height:100%;background:var(--primary);transition:width .3s ease}.html-css-3-3 .quiz-question{padding:30px 0}.html-css-3-3 .quiz-question h4{font-size:1.25rem;color:var(--secondary-dark);margin-bottom:25px;line-height:1.5;font-weight:800}.html-css-3-3 .quiz-options{display:flex;flex-direction:column;gap:12px}.html-css-3-3 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 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.hero-content{position:relative;z-index:2;max-width:800px}.html-css-3-2 .breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#ffffff1a;padding:6px 15px;border-radius:20px}.html-css-3-2 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;color:#fff;line-height:1.2}.html-css-3-2 .hero-header p{font-size:1.15rem;color:#fffc}.html-css-3-2 .hero-icon{font-size:8rem;color:#ffffff1a;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.html-css-3-2 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.html-css-3-2 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.html-css-3-2 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-weight:800}.html-css-3-2 .module-list{list-style:none}.html-css-3-2 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;color:var(--text-main);border-left:3px solid transparent}.html-css-3-2 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.html-css-3-2 .module-item.active{background:#eff6ff;color:var(--primary-dark);border-left-color:var(--primary)}.html-css-3-2 .module-item.active i{color:var(--primary)}.html-css-3-2 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.html-css-3-2 .progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700;font-size:.9rem}.html-css-3-2 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var(--border-light);border-left:4px solid var(--secondary);padding:25px;border-radius:var(--radius-md);margin:25px 0}.html-css-3-2 .methode-box.js-theme{border-left-color:var(--primary);background:#f8fafc}.html-css-3-2 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.html-css-3-2 .methode-box h3{color:var(--secondary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800}.html-css-3-2 .code-editor{background:#1e1e1e;border-radius:8px;overflow:hidden;margin:20px 0;box-shadow:var(--shadow-md)}.html-css-3-2 .code-header{background:#2d2d2d;padding:10px 15px;display:flex;align-items:center;gap:8px;border-bottom:1px solid #404040}.html-css-3-2 .code-header .dot{width:12px;height:12px;border-radius:50%}.html-css-3-2 .dot.red{background:#ff5f56}.html-css-3-2 .dot.yellow{background:#ffbd2e}.html-css-3-2 .dot.green{background:#27c93f}.html-css-3-2 .code-header 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.btn-action{background:var(--secondary-dark);color:#fff}.html-css-3-2 .btn-action:hover{background:var(--secondary)}.html-css-3-2 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex}.html-css-3-2 .space-between{justify-content:space-between}.html-css-3-2 .center-flex{justify-content:center}.html-css-3-2 .quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.html-css-3-2 .quiz-progress-fill{height:100%;background:var(--primary);transition:width .3s ease}.html-css-3-2 .quiz-question{padding:30px 0}.html-css-3-2 .quiz-question h4{font-size:1.25rem;color:var(--secondary-dark);margin-bottom:25px;line-height:1.5;font-weight:800}.html-css-3-2 .quiz-options{display:flex;flex-direction:column;gap:12px}.html-css-3-2 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 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var(--border-light);border-radius:var(--radius-lg)}.html-css-3-2 .score-icon{font-size:4rem;margin-bottom:10px}.html-css-3-2 .score-icon.success{color:var(--success)}.html-css-3-2 .score-icon.fail{color:var(--danger)}.html-css-3-2 .big-score{font-size:5rem;font-weight:800;color:var(--secondary-dark);line-height:1;margin:20px 0}.html-css-3-2 .total-score{font-size:2rem;color:var(--text-muted)}.html-css-3-2 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.html-css-3-2 .quiz-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.html-css-3-2 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;animation:hc32SlideDown .3s}.html-css-3-2 .feedback-msg.success{background:var(--success-light);color:#047857;border:1px solid #a7f3d0}.html-css-3-2 .feedback-msg.error{background:var(--danger-light);color:#b91c1c;border:1px solid #fecaca}.html-css-3-2 #celebration{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;display:none;overflow:hidden}.html-css-3-2 .confetti-piece{position:absolute;top:-20px;width:10px;height:20px;animation:hc32ConfettiFall linear forwards;border-radius:2px}@keyframes hc32ConfettiFall{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(105vh) rotate(720deg);opacity:0}}.html-css-3-2 .site-footer{background:var(--secondary-dark);color:#f1f5f9;padding:40px 5%;margin-top:auto}.html-css-3-2 .footer-container{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:30px}.html-css-3-2 .footer-left{display:flex;flex-direction:column;gap:8px}.html-css-3-2 .credits{font-size:.9rem;color:#94a3b8}.html-css-3-2 .lang-selector{display:flex;align-items:center;gap:10px;background:#ffffff1a;padding:10px 20px;border-radius:30px}.html-css-3-2 .lang-btn{background:transparent;color:#94a3b8;border:none;padding:5px 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#020617;--secondary: #38bdf8;--secondary-dark: #0284c7;--accent: #8b5cf6;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--danger-light: #fef2f2;--success: #22c55e;--success-light: #f0fdf4;--warning: #f59e0b;--shadow-sm: 0 2px 4px rgba(0,0,0,.05);--shadow-md: 0 10px 15px -3px rgba(0,0,0,.1);--radius-md: 8px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}.html-css-2-5 body{font-family:var(--font-main);background:var(--bg-body);color:var(--text-main);line-height:1.6;display:flex;flex-direction:column;min-height:100vh}.html-css-2-5 a{text-decoration:none;color:inherit}.html-css-2-5 .styled-list{margin-left:1.5rem}.html-css-2-5 .styled-list li{margin-bottom:.6rem}.html-css-2-5 .math-font{font-family:var(--font-math);font-size:.9em}.html-css-2-5 .font-weight-bold{font-weight:700}.html-css-2-5 .text-danger{color:var(--danger);font-weight:700}.html-css-2-5 .text-center{text-align:center}.html-css-2-5 .mt-2{margin-top:.5rem}.html-css-2-5 .mt-3{margin-top:1rem}.html-css-2-5 .mt-4{margin-top:1.5rem}.html-css-2-5 .mt-5{margin-top:3rem}.html-css-2-5 .mb-3{margin-bottom:1rem}.html-css-2-5 .mb-4{margin-bottom:1.5rem}.html-css-2-5 .top-navbar{position:fixed;top:0;width:100%;height:70px;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.html-css-2-5 .nav-left,.html-css-2-5 .nav-right{display:flex;align-items:center;gap:20px}.html-css-2-5 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.2rem;color:var(--primary-dark)}.html-css-2-5 .nav-link{font-weight:600;color:var(--text-muted)}.html-css-2-5 .nav-link:hover{color:var(--secondary-dark)}.html-css-2-5 .hero-header{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;padding:60px 5%;position:relative;overflow:hidden}.html-css-2-5 .hero-content{position:relative;z-index:2;max-width:800px}.html-css-2-5 .breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;background:#ffffff1a;padding:8px 16px;border-radius:20px;display:inline-flex;align-items:center;gap:8px}.html-css-2-5 .hero-header h1{font-size:2.4rem;font-weight:800;margin-bottom:15px;color:var(--secondary);line-height:1.2}.html-css-2-5 .hero-icon{font-size:10rem;color:#ffffff0d;position:absolute;right:8%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.html-css-2-5 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:40px;flex:1;align-items:flex-start}.html-css-2-5 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:100px;border:1px solid var(--border-light)}.html-css-2-5 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;margin-bottom:20px;font-weight:800}.html-css-2-5 .module-list{list-style:none}.html-css-2-5 .module-item{padding:14px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.2s;display:flex;align-items:center;gap:12px;font-weight:600;color:var(--text-main);border-left:3px solid transparent}.html-css-2-5 .module-item:hover{background:var(--bg-body)}.html-css-2-5 .module-item.active{background:#f0f9ff;color:var(--secondary-dark);border-left-color:var(--secondary)}.html-css-2-5 .progress-container{margin-top:25px;padding-top:20px;border-top:1px solid var(--border-light)}.html-css-2-5 .progress-header{display:flex;justify-content:space-between;font-weight:700;font-size:.95rem;margin-bottom:10px}.html-css-2-5 .progress-bar{height:10px;background:var(--border-light);border-radius:10px;overflow:hidden}.html-css-2-5 .progress-fill{height:100%;background:linear-gradient(90deg,var(--secondary-dark),var(--secondary));transition:width .5s}.html-css-2-5 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:50px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.html-css-2-5 .fade-in{animation:hc25FadeIn .4s ease-out}@keyframes hc25FadeIn{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.html-css-2-5 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:20px;border-bottom:2px solid var(--bg-body)}.html-css-2-5 .module-title i{color:var(--secondary)}.html-css-2-5 .explanation{font-size:1.1rem;margin-bottom:20px}.html-css-2-5 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:5px solid var(--secondary);padding:25px;border-radius:var(--radius-md);margin:25px 0}.html-css-2-5 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.methode-box.js-theme{border-left-color:var(--warning);background:#fffbeb}.html-css-2-4 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.html-css-2-4 .methode-box h3{color:var(--primary-dark);font-weight:800;margin-bottom:12px;font-size:1.25rem}.html-css-2-4 .code-editor{background:#1e1e1e;border-radius:8px;overflow:hidden;margin:15px 0;box-shadow:var(--shadow-sm)}.html-css-2-4 .code-header{background:#2d2d2d;padding:10px 15px;display:flex;align-items:center;gap:8px;border-bottom:1px solid #404040}.html-css-2-4 .code-header .dot{width:12px;height:12px;border-radius:50%}.html-css-2-4 .dot.red{background:#ff5f56}.html-css-2-4 .dot.yellow{background:#ffbd2e}.html-css-2-4 .dot.green{background:#27c93f}.html-css-2-4 .code-header span{color:#a3a3a3;font-size:.85rem;font-family:var(--font-math);margin-left:10px}.html-css-2-4 .code-editor pre{padding:20px;overflow-x:auto;color:#d4d4d4;line-height:1.6;margin:0}.html-css-2-4 .code-editor 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var(--border-light);display:flex;align-items:center;gap:15px;font-weight:800;color:var(--primary-dark);font-size:1.3rem}.html-css-2-4 .exercice-header .icon{color:var(--accent);font-size:1.5rem}.html-css-2-4 .exercice-body{padding:25px}.html-css-2-4 .interactive-zone{background:#f1f5f9;border-radius:8px;border:1px dashed #cbd5e1;padding:30px;text-align:center}.html-css-2-4 .correction-content{background:#f8fafc;border-radius:8px;padding:20px;margin-top:20px;border:1px solid var(--border-light);animation:hc24FadeIn .3s ease-out}.html-css-2-4 .d-flex-tp{display:flex;flex-direction:column;gap:30px;align-items:center}.html-css-2-4 .tp-demo-area{width:100%;display:flex;justify-content:center}.html-css-2-4 .unstyled-quote{border:1px dashed #94a3b8;padding:20px;width:100%;max-width:400px;background:#fff;text-align:left;transition:all .8s ease}.html-css-2-4 .styled-quote{width:100%;max-width:400px;padding:40px;border-radius:10px;background-color:#132039;font-family:var(--font-quote);box-shadow:var(--shadow-md);transition:all .8s ease;border:1px solid transparent}.html-css-2-4 .styled-quote blockquote{font-size:24px;color:#fff;text-align:center;font-style:italic;line-height:1.5;margin-bottom:20px}.html-css-2-4 .styled-quote p{font-size:14px;color:#f1c40f;text-align:center;text-transform:uppercase;letter-spacing:2px}.html-css-2-4 .tp-controls{text-align:center;background:#fff;padding:20px;border-radius:8px;box-shadow:var(--shadow-sm);width:100%;max-width:400px}.html-css-2-4 .btn-primary,.html-css-2-4 .btn-secondary,.html-css-2-4 .btn-outline-primary,.html-css-2-4 .btn-action{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;cursor:pointer;transition:.2s;border:none;font-size:1rem}.html-css-2-4 .btn-primary{background:var(--primary-dark);color:#fff}.html-css-2-4 .btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow-md)}.html-css-2-4 .btn-secondary{background:var(--border-light);color:var(--text-main)}.html-css-2-4 .btn-secondary:hover{background:#cbd5e1}.html-css-2-4 .btn-outline-primary{border:2px solid var(--primary-dark);background:transparent;color:var(--primary-dark)}.html-css-2-4 .btn-outline-primary:hover{background:var(--primary-dark);color:#fff}.html-css-2-4 .btn-action{background:var(--secondary-dark);color:#fff}.html-css-2-4 .btn-action:hover{background:var(--secondary)}.html-css-2-4 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex;align-items:center}.html-css-2-4 .space-between{justify-content:space-between}.html-css-2-4 .center-flex{justify-content:center}.html-css-2-4 .quiz-progress-bar{height:8px;background:var(--bg-body);border-radius:4px;overflow:hidden}.html-css-2-4 .quiz-progress-fill{height:100%;background:var(--secondary-dark);transition:.3s}.html-css-2-4 .quiz-question{padding:25px 0}.html-css-2-4 .quiz-question h4{font-size:1.3rem;color:var(--primary-dark);margin-bottom:25px;font-weight:800;line-height:1.4}.html-css-2-4 .quiz-options{display:flex;flex-direction:column;gap:12px}.html-css-2-4 .quiz-btn{text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-weight:600;color:var(--text-main);font-size:1.05rem;cursor:pointer;transition:.2s;display:flex;gap:10px;align-items:center}.html-css-2-4 .option-letter{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--bg-body);color:var(--secondary-dark);font-weight:800;font-size:.85rem;flex-shrink:0}.html-css-2-4 .quiz-btn:hover:not(:disabled){border-color:var(--secondary-dark);background:#f0f9ff}.html-css-2-4 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.feedback-msg{margin-top:20px;padding:15px;border-radius:8px;font-weight:700;display:none;text-align:center;animation:hc24SlideDown .3s}.html-css-2-4 .feedback-msg.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.html-css-2-4 .feedback-msg.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}@keyframes hc24SlideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.html-css-2-4 #celebration{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;display:none;overflow:hidden}.html-css-2-4 .confetti-piece{position:absolute;top:-20px;width:10px;height:20px;animation:hc24ConfettiFall linear forwards;border-radius:2px}@keyframes hc24ConfettiFall{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(105vh) rotate(720deg);opacity:0}}.html-css-2-4 .site-footer{background:var(--primary-dark);color:#f1f5f9;padding:40px 5%;margin-top:auto;text-align:center;font-size:.95rem}.html-css-2-4 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.explanation{font-size:1.1rem;margin-bottom:20px}.html-css-2-3 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:5px solid var(--secondary);padding:25px;border-radius:var(--radius-md);margin:25px 0}.html-css-2-3 .methode-box.js-theme{border-left-color:var(--warning);background:#fffbeb}.html-css-2-3 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.html-css-2-3 .methode-box h3{color:var(--primary-dark);font-weight:800;margin-bottom:12px;font-size:1.25rem}.html-css-2-3 .code-editor{background:#1e1e1e;border-radius:8px;overflow:hidden;margin:15px 0;box-shadow:var(--shadow-sm)}.html-css-2-3 .code-editor pre{padding:20px;overflow-x:auto;color:#d4d4d4;line-height:1.6;margin:0}.html-css-2-3 .code-editor .html-tag{color:#569cd6}.html-css-2-3 .code-editor .keyword{color:#9cdcfe}.html-css-2-3 .code-editor .string{color:#ce9178}.html-css-2-3 .code-editor .number{color:#b5cea8}.html-css-2-3 .code-editor 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.option-letter{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--bg-body);color:var(--secondary-dark);font-weight:800;font-size:.85rem;flex-shrink:0}.html-css-2-3 .quiz-btn:hover:not(:disabled){border-color:var(--secondary-dark);background:#f0f9ff}.html-css-2-3 .quiz-btn.correct{background:var(--success-light);border-color:var(--success);color:#166534}.html-css-2-3 .quiz-btn.correct .option-letter{background:var(--success);color:#fff}.html-css-2-3 .quiz-btn.wrong{background:var(--danger-light);border-color:var(--danger);color:#991b1b}.html-css-2-3 .quiz-btn.wrong .option-letter{background:var(--danger);color:#fff}.html-css-2-3 .quiz-btn:disabled{cursor:not-allowed}.html-css-2-3 .results-card{text-align:center;padding:40px;border:2px solid var(--border-light);border-radius:var(--radius-lg);background:#fff}.html-css-2-3 .score-icon{font-size:4rem;color:var(--warning);margin-bottom:20px}.html-css-2-3 .big-score{font-size:5rem;font-weight:800;color:var(--primary-dark);margin:20px 0;line-height:1}.html-css-2-3 .total-score{font-size:2rem;color:var(--text-muted)}.html-css-2-3 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.html-css-2-3 .quiz-actions{display:flex;justify-content:center;gap:20px}.html-css-2-3 .feedback-msg{margin-top:20px;padding:15px;border-radius:8px;font-weight:700;display:none;text-align:center;animation:hc23SlideDown .3s}.html-css-2-3 .feedback-msg.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.html-css-2-3 .feedback-msg.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}@keyframes hc23SlideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.html-css-2-3 #celebration{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;display:none;overflow:hidden}.html-css-2-3 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.mt-5{margin-top:3rem}.html-css-2-2 .mb-4{margin-bottom:1.5rem}.html-css-2-2 .top-navbar{position:fixed;top:0;width:100%;height:70px;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.html-css-2-2 .nav-left,.html-css-2-2 .nav-right{display:flex;align-items:center;gap:20px}.html-css-2-2 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.2rem;color:var(--primary-dark)}.html-css-2-2 .nav-link{font-weight:600;color:var(--text-muted)}.html-css-2-2 .nav-link:hover{color:var(--secondary-dark)}.html-css-2-2 .hero-header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:50px 5%;position:relative;overflow:hidden}.html-css-2-2 .hero-content{position:relative;z-index:2;max-width:800px}.html-css-2-2 .breadcrumb{font-size:.85rem;color:#ffffffb3;margin-bottom:15px;background:#ffffff1a;padding:6px 12px;border-radius:20px;display:inline-flex;align-items:center;gap:8px}.html-css-2-2 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;color:var(--secondary)}.html-css-2-2 .hero-icon{font-size:8rem;color:#ffffff0d;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(15deg);z-index:1}.html-css-2-2 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.html-css-2-2 .sidebar{flex:0 0 280px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.html-css-2-2 .sidebar h2{font-size:1rem;color:var(--text-muted);text-transform:uppercase;margin-bottom:15px;font-weight:800}.html-css-2-2 .module-list{list-style:none}.html-css-2-2 .module-item{padding:12px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.2s;display:flex;align-items:center;gap:10px;font-weight:600;color:var(--text-main);border-left:3px solid transparent}.html-css-2-2 .module-item:hover{background:var(--bg-body)}.html-css-2-2 .module-item.active{background:#f0f9ff;color:var(--secondary-dark);border-left-color:var(--secondary)}.html-css-2-2 .progress-container{margin-top:20px;padding-top:15px;border-top:1px solid var(--border-light)}.html-css-2-2 .progress-header{display:flex;justify-content:space-between;font-weight:700;font-size:.9rem;margin-bottom:8px}.html-css-2-2 .progress-bar{height:8px;background:var(--border-light);border-radius:10px}.html-css-2-2 .progress-fill{height:100%;background:var(--secondary);transition:width .4s;border-radius:10px}.html-css-2-2 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid 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.explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.html-css-1-5 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--accent);padding:25px;border-radius:var(--radius-md);margin:25px 0}.html-css-1-5 .methode-box.js-theme{border-left-color:var(--secondary);background:#fffdf5}.html-css-1-5 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.html-css-1-5 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800}.html-css-1-5 .code-editor{background:#1e1e1e;border-radius:8px;overflow:hidden;margin:20px 0}.html-css-1-5 .code-header{background:#2d2d2d;padding:10px 15px;display:flex;align-items:center;gap:8px;border-bottom:1px solid #404040}.html-css-1-5 .code-header .dot{width:12px;height:12px;border-radius:50%}.html-css-1-5 .dot.red{background:#ff5f56}.html-css-1-5 .dot.yellow{background:#ffbd2e}.html-css-1-5 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.quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.html-css-1-5 .quiz-progress-fill{height:100%;background:var(--secondary);transition:width .3s ease}.html-css-1-5 .quiz-question{padding:30px 0}.html-css-1-5 .quiz-question h4{font-size:1.25rem;color:var(--primary-dark);margin-bottom:25px;font-weight:800}.html-css-1-5 .quiz-options{display:flex;flex-direction:column;gap:12px}.html-css-1-5 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;cursor:pointer;transition:.2s;display:flex;gap:12px;align-items:center;color:var(--text-main)}.html-css-1-5 .option-letter{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--bg-body);color:var(--secondary);font-weight:800;font-size:.85rem;flex-shrink:0}.html-css-1-5 .quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:#fff5f2}.html-css-1-5 .quiz-btn.correct{background:#d4edda;border-color:var(--success);color:#155724}.html-css-1-5 .quiz-btn.correct .option-letter{background:var(--success);color:#fff}.html-css-1-5 .quiz-btn.wrong{background:#f8d7da;border-color:var(--danger);color:#721c24}.html-css-1-5 .quiz-btn.wrong .option-letter{background:var(--danger);color:#fff}.html-css-1-5 .quiz-btn:disabled{cursor:not-allowed}.html-css-1-5 .results-card{text-align:center;padding:40px;border:2px solid var(--border-light);border-radius:var(--radius-lg)}.html-css-1-5 .score-icon{font-size:4rem;color:var(--warning);margin-bottom:10px}.html-css-1-5 .big-score{font-size:5rem;font-weight:800;color:var(--primary-dark);line-height:1;margin:20px 0}.html-css-1-5 .total-score{font-size:2rem;color:var(--text-muted)}.html-css-1-5 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.html-css-1-5 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.mt-4{margin-top:1.5rem}.html-css-1-4 .text-muted{color:var(--text-muted)}.html-css-1-4 .text-sm{font-size:.85em}.html-css-1-4 .text-center{text-align:center}.html-css-1-4 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.html-css-1-4 .nav-left,.html-css-1-4 .nav-right{display:flex;align-items:center;gap:20px}.html-css-1-4 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark)}.html-css-1-4 .nav-link{font-weight:600;color:var(--text-muted)}.html-css-1-4 .nav-link:hover{color:var(--secondary-dark)}.html-css-1-4 .hero-header{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;padding:60px 5%;position:relative;overflow:hidden}.html-css-1-4 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.module-list{list-style:none}.html-css-1-4 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;border-left:3px solid transparent}.html-css-1-4 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.html-css-1-4 .module-item.active{background:#fff5f2;color:var(--primary-dark);border-left-color:var(--secondary-dark)}.html-css-1-4 .module-item.active i{color:var(--secondary-dark)}.html-css-1-4 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.html-css-1-4 .progress-header{display:flex;justify-content:space-between;margin-bottom:10px;font-weight:700;font-size:.9rem}.html-css-1-4 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.html-css-1-4 .progress-fill{height:100%;background:linear-gradient(90deg,var(--secondary-dark),var(--secondary));transition:width .6s 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var(--bg-body);padding-bottom:15px}.html-css-1-1 .module-title i{color:var(--secondary-dark)}.html-css-1-1 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.html-css-1-1 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--accent);padding:25px;border-radius:var(--radius-md);margin:25px 0}.html-css-1-1 .methode-box.js-theme{border-left-color:var(--secondary-dark);background:#fffaf7}.html-css-1-1 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.html-css-1-1 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.35rem;font-weight:800}.html-css-1-1 .methode-box h4{font-size:1.15rem;font-weight:700;color:var(--primary-dark)}.html-css-1-1 .code-editor{background:#1e1e1e;border-radius:8px;overflow:hidden;margin:20px 0}.html-css-1-1 .code-header{background:#2d2d2d;padding:10px 15px;display:flex;align-items:center;gap:8px;border-bottom:1px solid 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.brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark)}.facebook-instagram-lesson-4-1 .brand-logo img{border-radius:8px}.facebook-instagram-lesson-4-1 .nav-links{display:flex;gap:20px}.facebook-instagram-lesson-4-1 .nav-link{font-weight:600;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.facebook-instagram-lesson-4-1 .nav-link:hover{color:var(--secondary)}.facebook-instagram-lesson-4-1 .user-profile{display:flex;align-items:center;gap:10px;cursor:pointer;position:relative;padding:5px 10px;border-radius:30px;transition:.3s}.facebook-instagram-lesson-4-1 .user-profile:hover{background:var(--bg-body)}.facebook-instagram-lesson-4-1 .user-profile .avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--secondary)}.facebook-instagram-lesson-4-1 .user-name{font-weight:700;font-size:.95rem}.facebook-instagram-lesson-4-1 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.module-item.active{background:#eff6ff;color:var(--primary-light);border-left-color:var(--secondary)}.facebook-instagram-lesson-4-1 .module-item.active i{color:var(--secondary)}.facebook-instagram-lesson-4-1 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.facebook-instagram-lesson-4-1 .progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700;font-size:.9rem}.facebook-instagram-lesson-4-1 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.facebook-instagram-lesson-4-1 .progress-fill{height:100%;background:linear-gradient(90deg,var(--secondary),var(--accent));transition:width .6s cubic-bezier(.4,0,.2,1)}.facebook-instagram-lesson-4-1 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.facebook-instagram-lesson-4-1 .fade-in{animation:fbFadeIn4 .5s ease-out}@keyframes fbFadeIn4{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.facebook-instagram-lesson-4-1 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.facebook-instagram-lesson-4-1 .module-title i{color:var(--secondary)}.facebook-instagram-lesson-4-1 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.facebook-instagram-lesson-4-1 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--text-muted);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005}.facebook-instagram-lesson-4-1 .methode-box.excel-theme{border-left-color:var(--secondary);background:#f8fafc}.facebook-instagram-lesson-4-1 .methode-box.alert-theme{border-left-color:var(--warning);background:var(--warning-light)}.facebook-instagram-lesson-4-1 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.25rem;font-weight:800}.facebook-instagram-lesson-4-1 .grid-2-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}.facebook-instagram-lesson-4-1 .func-card{background:var(--bg-surface);border:1px solid var(--border-light);padding:20px;border-radius:var(--radius-md);transition:.3s;border-top:4px solid var(--secondary)}.facebook-instagram-lesson-4-1 .func-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}.facebook-instagram-lesson-4-1 .func-card h3{font-size:1.1rem;color:var(--primary-dark);margin-bottom:10px}.facebook-instagram-lesson-4-1 .func-card h4{font-size:1rem;color:var(--primary-dark);margin-bottom:10px}.facebook-instagram-lesson-4-1 .func-card p{font-size:.95rem;margin-bottom:15px;color:var(--text-muted)}.facebook-instagram-lesson-4-1 .image-container{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.facebook-instagram-lesson-4-1 .course-image{max-width:100%;height:auto;border-radius:8px;box-shadow:var(--shadow-sm)}.facebook-instagram-lesson-4-1 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0}.facebook-instagram-lesson-4-1 .exercice-header{background:var(--bg-body);padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:15px}.facebook-instagram-lesson-4-1 .exercice-header .icon{font-size:1.5rem;color:var(--secondary)}.facebook-instagram-lesson-4-1 .exercice-header h3{font-size:1.3rem;font-weight:800;color:var(--primary-dark);margin:0}.facebook-instagram-lesson-4-1 .exercice-body{padding:25px}.facebook-instagram-lesson-4-1 .interactive-zone{background:#f8fafc;padding:25px;border-radius:var(--radius-md);border:1px solid #e2e8f0}.facebook-instagram-lesson-4-1 .interactive-form{background:#f8fafc;padding:25px;border-radius:var(--radius-md);border:1px solid #e2e8f0;margin-top:20px}.facebook-instagram-lesson-4-1 .form-group{margin-bottom:20px}.facebook-instagram-lesson-4-1 .form-group label{display:block;font-weight:700;margin-bottom:8px;color:var(--text-main)}.facebook-instagram-lesson-4-1 .input-field{width:100%;padding:12px 15px;border:2px solid #cbd5e1;border-radius:8px;outline:none;transition:.3s;font-size:1rem;background:#fff;font-family:var(--font-main)}.facebook-instagram-lesson-4-1 .input-field:focus{border-color:var(--secondary);box-shadow:0 0 0 4px #3b82f61a}.facebook-instagram-lesson-4-1 .form-control{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:8px;font-family:var(--font-main);font-size:1rem;resize:vertical}.facebook-instagram-lesson-4-1 .btn-primary,.facebook-instagram-lesson-4-1 .btn-secondary,.facebook-instagram-lesson-4-1 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;text-decoration:none}.facebook-instagram-lesson-4-1 .btn-primary{background:var(--secondary);color:#fff;box-shadow:0 4px 12px #3b82f633}.facebook-instagram-lesson-4-1 .btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.facebook-instagram-lesson-4-1 .btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.facebook-instagram-lesson-4-1 .btn-secondary:hover{background:#e2e8f0}.facebook-instagram-lesson-4-1 .btn-outline-primary{background:transparent;border:2px solid var(--secondary);color:var(--secondary)}.facebook-instagram-lesson-4-1 .btn-outline-primary:hover{background:var(--secondary);color:#fff}.facebook-instagram-lesson-4-1 .btn-lg{padding:15px 30px;font-size:1.1rem;border-radius:10px}.facebook-instagram-lesson-4-1 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex}.facebook-instagram-lesson-4-1 .space-between{justify-content:space-between}.facebook-instagram-lesson-4-1 .pulse-btn{background:var(--success);box-shadow:0 4px 12px #10b9814d;animation:fbPulse4 2s infinite}.facebook-instagram-lesson-4-1 .pulse-btn:hover{background:#059669}@keyframes fbPulse4{0%{box-shadow:0 0 #10b98166}70%{box-shadow:0 0 0 15px #0000}to{box-shadow:0 0 #0000}}.facebook-instagram-lesson-4-1 .correction-wrapper{margin-top:15px}.facebook-instagram-lesson-4-1 .correction-content{background:var(--success-light);border:1px solid #a7f3d0;border-radius:8px;padding:20px;margin-top:15px;animation:fbSlideDown4 .3s ease-out}@keyframes fbSlideDown4{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.facebook-instagram-lesson-4-1 .quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.facebook-instagram-lesson-4-1 .quiz-progress-fill{height:100%;background:var(--secondary);transition:width .3s ease}.facebook-instagram-lesson-4-1 .quiz-question{padding:30px 0}.facebook-instagram-lesson-4-1 .quiz-question h4{font-size:1.25rem;color:var(--primary-dark);margin-bottom:25px;line-height:1.5;font-weight:800}.facebook-instagram-lesson-4-1 .question-number{font-size:.9rem;color:var(--text-muted);margin-bottom:10px;font-weight:600}.facebook-instagram-lesson-4-1 .quiz-options{display:flex;flex-direction:column;gap:12px}.facebook-instagram-lesson-4-1 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;justify-content:space-between;align-items:center}.facebook-instagram-lesson-4-1 .quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:#eff6ff;transform:translate(5px)}.facebook-instagram-lesson-4-1 .quiz-btn.correct{background:#dcfce7;border-color:var(--success);color:#065f46}.facebook-instagram-lesson-4-1 .quiz-btn.wrong{background:#fee2e2;border-color:var(--danger);color:#991b1b;animation:fbShake4 .5s}.facebook-instagram-lesson-4-1 .quiz-btn:disabled{cursor:not-allowed}@keyframes fbShake4{0%,to{transform:translate(0)}25%,75%{transform:translate(-5px)}50%{transform:translate(5px)}}.facebook-instagram-lesson-4-1 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.facebook-instagram-lesson-4-1 .score-display{padding:20px}.facebook-instagram-lesson-4-1 .score-icon{font-size:4rem;color:var(--warning);margin-bottom:10px}.facebook-instagram-lesson-4-1 .big-score{font-size:5rem;font-weight:800;color:var(--secondary);line-height:1;margin:20px 0}.facebook-instagram-lesson-4-1 .total-score{font-size:2rem;color:var(--text-muted)}.facebook-instagram-lesson-4-1 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.facebook-instagram-lesson-4-1 .quiz-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.facebook-instagram-lesson-4-1 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:fbSlideDown4 .3s ease-out}.facebook-instagram-lesson-4-1 .feedback-msg.success{background:#dcfce7;color:#065f46;border:1px solid #a7f3d0}.facebook-instagram-lesson-4-1 .feedback-msg.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca;cursor:pointer}.facebook-instagram-lesson-4-1 .feedback-msg.error:hover{opacity:.9}.facebook-instagram-lesson-4-1 .option-letter{font-weight:800;color:var(--secondary);margin-right:10px}.facebook-instagram-lesson-4-1 .color-transparent{color:transparent}.facebook-instagram-lesson-4-1 .site-footer{background:#0f172a;color:#f1f5f9;padding:40px 5%;margin-top:auto}.facebook-instagram-lesson-4-1 .footer-container{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:30px}.facebook-instagram-lesson-4-1 .footer-left{display:flex;flex-direction:column;gap:8px}.facebook-instagram-lesson-4-1 .credits{font-size:.9rem;color:#94a3b8}.facebook-instagram-lesson-4-1 .credits a{color:var(--accent);font-weight:700;text-decoration:none;transition:.2s}.facebook-instagram-lesson-4-1 .credits a:hover{color:#38bdf8;text-decoration:underline}.facebook-instagram-lesson-4-1 .footer-right{display:flex;align-items:center}.facebook-instagram-lesson-4-1 .lang-selector{display:flex;align-items:center;gap:10px;background:#ffffff1a;padding:10px 20px;border-radius:30px}.facebook-instagram-lesson-4-1 .lang-btn{background:transparent;color:#94a3b8;border:1px solid transparent;padding:5px 12px;border-radius:15px;cursor:pointer;font-weight:700;transition:.3s}.facebook-instagram-lesson-4-1 .lang-btn:hover{color:#fff}.facebook-instagram-lesson-4-1 .lang-btn.active{background:var(--secondary);color:#fff;box-shadow:0 2px 8px #0003}.facebook-instagram-lesson-4-1 #celebration{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;display:none;overflow:hidden}.facebook-instagram-lesson-4-1 .confetti-piece{position:absolute;top:-20px;width:10px;height:20px;animation:fbFall4 linear forwards;border-radius:2px}@keyframes fbFall4{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(105vh) rotate(720deg);opacity:0}}@media(max-width:992px){.facebook-instagram-lesson-4-1 .container{flex-direction:column;margin-top:20px}.facebook-instagram-lesson-4-1 .sidebar{width:100%;position:static;order:2;margin-top:30px}.facebook-instagram-lesson-4-1 .main-content{order:1;padding:30px;width:100%}.facebook-instagram-lesson-4-1 .grid-2-cols{grid-template-columns:1fr}.facebook-instagram-lesson-4-1 .hero-header h1{font-size:1.8rem}.facebook-instagram-lesson-4-1 .hero-icon{right:-5%;opacity:.1}}@media(max-width:768px){.facebook-instagram-lesson-4-1 .nav-left .nav-links{display:none}.facebook-instagram-lesson-4-1 .quiz-actions{flex-direction:column}.facebook-instagram-lesson-4-1 .footer-container{flex-direction:column;align-items:flex-start}.facebook-instagram-lesson-4-1 .action-footer.space-between{flex-direction:column;gap:15px}.facebook-instagram-lesson-4-1 .btn-primary,.facebook-instagram-lesson-4-1 .btn-secondary{width:100%;justify-content:center}}.facebook-instagram-lesson-3-1{--primary: #1e3a8a;--primary-light: #2563eb;--primary-dark: #1e293b;--secondary: #3b82f6;--accent: #0ea5e9;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--danger-light: #fef2f2;--success: #10b981;--success-light: #ecfdf5;--warning: #f59e0b;--warning-light: #fffbeb;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(59, 130, 246, .2);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}.facebook-instagram-lesson-3-1 body{font-family:var(--font-main);background:var(--bg-body);color:var(--text-main);line-height:1.6;display:flex;flex-direction:column;min-height:100vh}.facebook-instagram-lesson-3-1 a{text-decoration:none;color:inherit}.facebook-instagram-lesson-3-1 ul.styled-list,.facebook-instagram-lesson-3-1 ol.styled-list{margin-left:1.5rem}.facebook-instagram-lesson-3-1 ul.styled-list li,.facebook-instagram-lesson-3-1 ol.styled-list li{margin-bottom:.5rem}.facebook-instagram-lesson-3-1 .math-font{font-family:var(--font-math);letter-spacing:-.5px;font-weight:600;font-size:.95em}.facebook-instagram-lesson-3-1 .font-weight-bold{font-weight:700}.facebook-instagram-lesson-3-1 .mt-2{margin-top:.5rem}.facebook-instagram-lesson-3-1 .mt-3{margin-top:1rem}.facebook-instagram-lesson-3-1 .mt-4{margin-top:1.5rem}.facebook-instagram-lesson-3-1 .mt-5{margin-top:3rem}.facebook-instagram-lesson-3-1 .mb-3{margin-bottom:1rem}.facebook-instagram-lesson-3-1 .mb-4{margin-bottom:1.5rem}.facebook-instagram-lesson-3-1 .mr-2{margin-right:.5rem}.facebook-instagram-lesson-3-1 .text-danger{color:var(--danger)!important}.facebook-instagram-lesson-3-1 .text-muted{color:var(--text-muted);font-size:.9rem}.facebook-instagram-lesson-3-1 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#75cdebf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.facebook-instagram-lesson-3-1 .nav-left{display:flex;align-items:center;gap:40px}.facebook-instagram-lesson-3-1 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark)}.facebook-instagram-lesson-3-1 .brand-logo img{border-radius:8px}.facebook-instagram-lesson-3-1 .nav-links{display:flex;gap:20px}.facebook-instagram-lesson-3-1 .nav-link{font-weight:600;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.facebook-instagram-lesson-3-1 .nav-link:hover{color:var(--secondary)}.facebook-instagram-lesson-3-1 .user-profile{display:flex;align-items:center;gap:10px;cursor:pointer;position:relative;padding:5px 10px;border-radius:30px;transition:.3s}.facebook-instagram-lesson-3-1 .user-profile:hover{background:var(--bg-body)}.facebook-instagram-lesson-3-1 .user-profile .avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--secondary)}.facebook-instagram-lesson-3-1 .user-name{font-weight:700;font-size:.95rem}.facebook-instagram-lesson-3-1 .dropdown-menu{position:absolute;top:120%;right:0;background:var(--bg-surface);width:220px;border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:1px solid var(--border-light);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s cubic-bezier(.4,0,.2,1)}.facebook-instagram-lesson-3-1 .dropdown-menu.show{opacity:1;visibility:visible;transform:translateY(0)}.facebook-instagram-lesson-3-1 .dropdown-item{display:flex;align-items:center;gap:12px;padding:12px 20px;font-weight:600;color:var(--text-main);transition:.2s}.facebook-instagram-lesson-3-1 .dropdown-item:hover{background:var(--bg-body);color:var(--secondary)}.facebook-instagram-lesson-3-1 .dropdown-divider{height:1px;background:var(--border-light);margin:5px 0}.facebook-instagram-lesson-3-1 .hero-header{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.facebook-instagram-lesson-3-1 .hero-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:start;justify-content:center;margin:0}.facebook-instagram-lesson-3-1 .breadcrumb{font-size:.85rem;color:#fffc;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#0000004d;padding:6px 15px;border-radius:20px}.facebook-instagram-lesson-3-1 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;letter-spacing:-.5px;text-align:start}.facebook-instagram-lesson-3-1 .hero-header p{font-size:1.15rem;color:#ffffffe6}.facebook-instagram-lesson-3-1 .hero-icon{font-size:8rem;color:#ffffff0d;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.facebook-instagram-lesson-3-1 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.facebook-instagram-lesson-3-1 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.facebook-instagram-lesson-3-1 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-weight:800}.facebook-instagram-lesson-3-1 .module-list{list-style:none}.facebook-instagram-lesson-3-1 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;color:var(--text-main);border-left:3px solid transparent}.facebook-instagram-lesson-3-1 .module-item i{width:20px;text-align:center;color:var(--text-muted);transition:.3s}.facebook-instagram-lesson-3-1 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.facebook-instagram-lesson-3-1 .module-item.active{background:#eff6ff;color:var(--primary-light);border-left-color:var(--secondary)}.facebook-instagram-lesson-3-1 .module-item.active i{color:var(--secondary)}.facebook-instagram-lesson-3-1 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.facebook-instagram-lesson-3-1 .progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700;font-size:.9rem}.facebook-instagram-lesson-3-1 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.facebook-instagram-lesson-3-1 .progress-fill{height:100%;background:linear-gradient(90deg,var(--secondary),var(--accent));transition:width .6s cubic-bezier(.4,0,.2,1)}.facebook-instagram-lesson-3-1 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.facebook-instagram-lesson-3-1 .fade-in{animation:fbFadeIn3 .5s ease-out}@keyframes fbFadeIn3{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.facebook-instagram-lesson-3-1 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.facebook-instagram-lesson-3-1 .module-title i{color:var(--secondary)}.facebook-instagram-lesson-3-1 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.facebook-instagram-lesson-3-1 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--text-muted);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005}.facebook-instagram-lesson-3-1 .methode-box.excel-theme{border-left-color:var(--secondary);background:#f8fafc}.facebook-instagram-lesson-3-1 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.facebook-instagram-lesson-3-1 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.25rem;font-weight:800}.facebook-instagram-lesson-3-1 .grid-2-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}.facebook-instagram-lesson-3-1 .func-card{background:var(--bg-surface);border:1px solid var(--border-light);padding:20px;border-radius:var(--radius-md);transition:.3s;border-top:4px solid var(--secondary)}.facebook-instagram-lesson-3-1 .func-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}.facebook-instagram-lesson-3-1 .func-card h3{font-size:1.1rem;color:var(--primary-dark);margin-bottom:10px}.facebook-instagram-lesson-3-1 .func-card h4{font-size:1rem;color:var(--primary-dark);margin-bottom:10px}.facebook-instagram-lesson-3-1 .func-card p{font-size:.95rem;margin-bottom:15px;color:var(--text-muted)}.facebook-instagram-lesson-3-1 .image-container{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.facebook-instagram-lesson-3-1 .course-image{max-width:100%;height:auto;border-radius:8px;box-shadow:var(--shadow-sm)}.facebook-instagram-lesson-3-1 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0}.facebook-instagram-lesson-3-1 .exercice-header{background:var(--bg-body);padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:15px}.facebook-instagram-lesson-3-1 .exercice-header .icon{font-size:1.5rem;color:var(--secondary)}.facebook-instagram-lesson-3-1 .exercice-header h3{font-size:1.3rem;font-weight:800;color:var(--primary-dark);margin:0}.facebook-instagram-lesson-3-1 .exercice-body{padding:25px}.facebook-instagram-lesson-3-1 .interactive-zone{background:#f8fafc;padding:25px;border-radius:var(--radius-md);border:1px solid #e2e8f0}.facebook-instagram-lesson-3-1 .interactive-form{background:#f8fafc;padding:25px;border-radius:var(--radius-md);border:1px solid #e2e8f0;margin-top:20px}.facebook-instagram-lesson-3-1 .form-group{margin-bottom:20px}.facebook-instagram-lesson-3-1 .form-group label{display:block;font-weight:700;margin-bottom:8px;color:var(--text-main)}.facebook-instagram-lesson-3-1 .input-field{width:100%;padding:12px 15px;border:2px solid #cbd5e1;border-radius:8px;outline:none;transition:.3s;font-size:1rem;background:#fff;font-family:var(--font-main)}.facebook-instagram-lesson-3-1 .input-field:focus{border-color:var(--secondary);box-shadow:0 0 0 4px #3b82f61a}.facebook-instagram-lesson-3-1 .form-control{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:8px;font-family:var(--font-main);font-size:1rem;resize:vertical}.facebook-instagram-lesson-3-1 .btn-primary,.facebook-instagram-lesson-3-1 .btn-secondary,.facebook-instagram-lesson-3-1 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;text-decoration:none}.facebook-instagram-lesson-3-1 .btn-primary{background:var(--secondary);color:#fff;box-shadow:0 4px 12px #3b82f633}.facebook-instagram-lesson-3-1 .btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.facebook-instagram-lesson-3-1 .btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.facebook-instagram-lesson-3-1 .btn-secondary:hover{background:#e2e8f0}.facebook-instagram-lesson-3-1 .btn-outline-primary{background:transparent;border:2px solid var(--secondary);color:var(--secondary)}.facebook-instagram-lesson-3-1 .btn-outline-primary:hover{background:var(--secondary);color:#fff}.facebook-instagram-lesson-3-1 .btn-lg{padding:15px 30px;font-size:1.1rem;border-radius:10px}.facebook-instagram-lesson-3-1 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex}.facebook-instagram-lesson-3-1 .space-between{justify-content:space-between}.facebook-instagram-lesson-3-1 .pulse-btn{background:var(--success);box-shadow:0 4px 12px #10b9814d;animation:fbPulse3 2s infinite}.facebook-instagram-lesson-3-1 .pulse-btn:hover{background:#059669}@keyframes fbPulse3{0%{box-shadow:0 0 #10b98166}70%{box-shadow:0 0 0 15px #0000}to{box-shadow:0 0 #0000}}.facebook-instagram-lesson-3-1 .correction-wrapper{margin-top:15px}.facebook-instagram-lesson-3-1 .correction-content{background:var(--success-light);border:1px solid #a7f3d0;border-radius:8px;padding:20px;margin-top:15px;animation:fbSlideDown3 .3s ease-out}@keyframes fbSlideDown3{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.facebook-instagram-lesson-3-1 .quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.facebook-instagram-lesson-3-1 .quiz-progress-fill{height:100%;background:var(--secondary);transition:width .3s ease}.facebook-instagram-lesson-3-1 .quiz-question{padding:30px 0}.facebook-instagram-lesson-3-1 .quiz-question h4{font-size:1.25rem;color:var(--primary-dark);margin-bottom:25px;line-height:1.5;font-weight:800}.facebook-instagram-lesson-3-1 .question-number{font-size:.9rem;color:var(--text-muted);margin-bottom:10px;font-weight:600}.facebook-instagram-lesson-3-1 .quiz-options{display:flex;flex-direction:column;gap:12px}.facebook-instagram-lesson-3-1 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;align-items:center}.facebook-instagram-lesson-3-1 .quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:#eff6ff;transform:translate(5px)}.facebook-instagram-lesson-3-1 .quiz-btn.correct{background:#dcfce7;border-color:var(--success);color:#065f46}.facebook-instagram-lesson-3-1 .quiz-btn.wrong{background:#fee2e2;border-color:var(--danger);color:#991b1b;animation:fbShake3 .5s}.facebook-instagram-lesson-3-1 .quiz-btn:disabled{cursor:not-allowed}@keyframes fbShake3{0%,to{transform:translate(0)}25%,75%{transform:translate(-5px)}50%{transform:translate(5px)}}.facebook-instagram-lesson-3-1 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.facebook-instagram-lesson-3-1 .score-display{padding:20px}.facebook-instagram-lesson-3-1 .score-icon{font-size:4rem;color:var(--warning);margin-bottom:10px}.facebook-instagram-lesson-3-1 .big-score{font-size:5rem;font-weight:800;color:var(--secondary);line-height:1;margin:20px 0}.facebook-instagram-lesson-3-1 .total-score{font-size:2rem;color:var(--text-muted)}.facebook-instagram-lesson-3-1 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.facebook-instagram-lesson-3-1 .quiz-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.facebook-instagram-lesson-3-1 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:fbSlideDown3 .3s ease-out}.facebook-instagram-lesson-3-1 .feedback-msg.success{background:#dcfce7;color:#065f46;border:1px solid #a7f3d0}.facebook-instagram-lesson-3-1 .feedback-msg.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.facebook-instagram-lesson-3-1 .option-letter{font-weight:800;color:var(--secondary);margin-right:10px}.facebook-instagram-lesson-3-1 .site-footer{background:#0f172a;color:#f1f5f9;padding:40px 5%;margin-top:auto}.facebook-instagram-lesson-3-1 .footer-container{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:30px}.facebook-instagram-lesson-3-1 .footer-left{display:flex;flex-direction:column;gap:8px}.facebook-instagram-lesson-3-1 .credits{font-size:.9rem;color:#94a3b8}.facebook-instagram-lesson-3-1 .credits 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.action-footer.space-between{flex-direction:column;gap:15px}.facebook-instagram-lesson-3-1 .btn-primary,.facebook-instagram-lesson-3-1 .btn-secondary{width:100%;justify-content:center}}.facebook-instagram-lesson-2-1{--primary: #1e3a8a;--primary-light: #2563eb;--primary-dark: #1e293b;--secondary: #3b82f6;--accent: #0ea5e9;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--danger-light: #fef2f2;--success: #10b981;--success-light: #ecfdf5;--warning: #f59e0b;--warning-light: #fffbeb;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(59, 130, 246, .2);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}.facebook-instagram-lesson-2-1 body{font-family:var(--font-main);background:var(--bg-body);color:var(--text-main);line-height:1.6;display:flex;flex-direction:column;min-height:100vh}.facebook-instagram-lesson-2-1 a{text-decoration:none;color:inherit}.facebook-instagram-lesson-2-1 ul.styled-list,.facebook-instagram-lesson-2-1 ol.styled-list{margin-left:1.5rem}.facebook-instagram-lesson-2-1 ul.styled-list li,.facebook-instagram-lesson-2-1 ol.styled-list li{margin-bottom:.5rem}.facebook-instagram-lesson-2-1 .math-font{font-family:var(--font-math);letter-spacing:-.5px;font-weight:600;font-size:.95em}.facebook-instagram-lesson-2-1 .font-weight-bold{font-weight:700}.facebook-instagram-lesson-2-1 .mt-2{margin-top:.5rem}.facebook-instagram-lesson-2-1 .mt-3{margin-top:1rem}.facebook-instagram-lesson-2-1 .mt-4{margin-top:1.5rem}.facebook-instagram-lesson-2-1 .mt-5{margin-top:3rem}.facebook-instagram-lesson-2-1 .mb-3{margin-bottom:1rem}.facebook-instagram-lesson-2-1 .mb-4{margin-bottom:1.5rem}.facebook-instagram-lesson-2-1 .mr-2{margin-right:.5rem}.facebook-instagram-lesson-2-1 .text-danger{color:var(--danger)!important}.facebook-instagram-lesson-2-1 .text-muted{color:var(--text-muted);font-size:.9rem}.facebook-instagram-lesson-2-1 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#75cdebf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.facebook-instagram-lesson-2-1 .nav-left{display:flex;align-items:center;gap:40px}.facebook-instagram-lesson-2-1 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark)}.facebook-instagram-lesson-2-1 .brand-logo img{border-radius:8px}.facebook-instagram-lesson-2-1 .nav-links{display:flex;gap:20px}.facebook-instagram-lesson-2-1 .nav-link{font-weight:600;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.facebook-instagram-lesson-2-1 .nav-link:hover{color:var(--secondary)}.facebook-instagram-lesson-2-1 .user-profile{display:flex;align-items:center;gap:10px;cursor:pointer;position:relative;padding:5px 10px;border-radius:30px;transition:.3s}.facebook-instagram-lesson-2-1 .user-profile:hover{background:var(--bg-body)}.facebook-instagram-lesson-2-1 .user-profile .avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--secondary)}.facebook-instagram-lesson-2-1 .user-name{font-weight:700;font-size:.95rem}.facebook-instagram-lesson-2-1 .dropdown-menu{position:absolute;top:120%;right:0;background:var(--bg-surface);width:220px;border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:1px solid var(--border-light);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s cubic-bezier(.4,0,.2,1)}.facebook-instagram-lesson-2-1 .dropdown-menu.show{opacity:1;visibility:visible;transform:translateY(0)}.facebook-instagram-lesson-2-1 .dropdown-item{display:flex;align-items:center;gap:12px;padding:12px 20px;font-weight:600;color:var(--text-main);transition:.2s}.facebook-instagram-lesson-2-1 .dropdown-item:hover{background:var(--bg-body);color:var(--secondary)}.facebook-instagram-lesson-2-1 .dropdown-divider{height:1px;background:var(--border-light);margin:5px 0}.facebook-instagram-lesson-2-1 .hero-header{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.facebook-instagram-lesson-2-1 .hero-content{position:relative;z-index:2;max-width:900px;display:flex;flex-direction:column;align-items:start;justify-content:center;margin:0}.facebook-instagram-lesson-2-1 .breadcrumb{font-size:.85rem;color:#fffc;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#0000004d;padding:6px 15px;border-radius:20px}.facebook-instagram-lesson-2-1 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;letter-spacing:-.5px}.facebook-instagram-lesson-2-1 .hero-header p{font-size:1.15rem;color:#ffffffe6}.facebook-instagram-lesson-2-1 .hero-icon{font-size:8rem;color:#ffffff0d;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.facebook-instagram-lesson-2-1 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.facebook-instagram-lesson-2-1 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.facebook-instagram-lesson-2-1 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-weight:800}.facebook-instagram-lesson-2-1 .module-list{list-style:none}.facebook-instagram-lesson-2-1 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;color:var(--text-main);border-left:3px solid transparent}.facebook-instagram-lesson-2-1 .module-item i{width:20px;text-align:center;color:var(--text-muted);transition:.3s}.facebook-instagram-lesson-2-1 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.facebook-instagram-lesson-2-1 .module-item.active{background:#eff6ff;color:var(--primary-light);border-left-color:var(--secondary)}.facebook-instagram-lesson-2-1 .module-item.active i{color:var(--secondary)}.facebook-instagram-lesson-2-1 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.facebook-instagram-lesson-2-1 .progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700;font-size:.9rem}.facebook-instagram-lesson-2-1 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.facebook-instagram-lesson-2-1 .progress-fill{height:100%;background:linear-gradient(90deg,var(--secondary),var(--accent));transition:width .6s cubic-bezier(.4,0,.2,1)}.facebook-instagram-lesson-2-1 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.facebook-instagram-lesson-2-1 .fade-in{animation:fbFadeIn2 .5s ease-out}@keyframes fbFadeIn2{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.facebook-instagram-lesson-2-1 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.facebook-instagram-lesson-2-1 .module-title i{color:var(--secondary)}.facebook-instagram-lesson-2-1 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.facebook-instagram-lesson-2-1 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--text-muted);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005}.facebook-instagram-lesson-2-1 .methode-box.excel-theme{border-left-color:var(--secondary);background:#f8fafc}.facebook-instagram-lesson-2-1 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.facebook-instagram-lesson-2-1 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.25rem;font-weight:800}.facebook-instagram-lesson-2-1 .grid-2-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}.facebook-instagram-lesson-2-1 .func-card{background:var(--bg-surface);border:1px solid var(--border-light);padding:20px;border-radius:var(--radius-md);transition:.3s;border-top:4px solid var(--secondary)}.facebook-instagram-lesson-2-1 .func-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}.facebook-instagram-lesson-2-1 .func-card h3{font-size:1.1rem;color:var(--primary-dark);margin-bottom:10px}.facebook-instagram-lesson-2-1 .func-card p{font-size:.95rem;margin-bottom:15px;color:var(--text-muted)}.facebook-instagram-lesson-2-1 .image-container{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.facebook-instagram-lesson-2-1 .course-image{max-width:100%;height:auto;border-radius:8px;box-shadow:var(--shadow-sm)}.facebook-instagram-lesson-2-1 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0}.facebook-instagram-lesson-2-1 .exercice-header{background:var(--bg-body);padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:15px}.facebook-instagram-lesson-2-1 .exercice-header .icon{font-size:1.5rem;color:var(--secondary)}.facebook-instagram-lesson-2-1 .exercice-header h3{font-size:1.3rem;font-weight:800;color:var(--primary-dark);margin:0}.facebook-instagram-lesson-2-1 .exercice-body{padding:25px}.facebook-instagram-lesson-2-1 .interactive-zone{background:#f8fafc;padding:25px;border-radius:var(--radius-md);border:1px solid #e2e8f0}.facebook-instagram-lesson-2-1 .interactive-form{background:#f8fafc;padding:25px;border-radius:var(--radius-md);border:1px solid #e2e8f0;margin-top:20px}.facebook-instagram-lesson-2-1 .form-group{margin-bottom:20px}.facebook-instagram-lesson-2-1 .form-group label{display:block;font-weight:700;margin-bottom:8px;color:var(--text-main)}.facebook-instagram-lesson-2-1 .input-field{width:100%;padding:12px 15px;border:2px solid #cbd5e1;border-radius:8px;outline:none;transition:.3s;font-size:1rem;background:#fff;font-family:var(--font-main)}.facebook-instagram-lesson-2-1 .input-field:focus{border-color:var(--secondary);box-shadow:0 0 0 4px #3b82f61a}.facebook-instagram-lesson-2-1 .form-control{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:8px;font-family:var(--font-main);font-size:1rem;resize:vertical}.facebook-instagram-lesson-2-1 .btn-primary,.facebook-instagram-lesson-2-1 .btn-secondary,.facebook-instagram-lesson-2-1 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s 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.space-between{justify-content:space-between}.facebook-instagram-lesson-2-1 .pulse-btn{background:var(--success);box-shadow:0 4px 12px #10b9814d;animation:fbPulse2 2s infinite}.facebook-instagram-lesson-2-1 .pulse-btn:hover{background:#059669}@keyframes fbPulse2{0%{box-shadow:0 0 #10b98166}70%{box-shadow:0 0 0 15px #0000}to{box-shadow:0 0 #0000}}.facebook-instagram-lesson-2-1 .correction-wrapper{margin-top:15px}.facebook-instagram-lesson-2-1 .correction-content{background:var(--success-light);border:1px solid #a7f3d0;border-radius:8px;padding:20px;margin-top:15px;animation:fbSlideDown2 .3s ease-out}@keyframes fbSlideDown2{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.facebook-instagram-lesson-2-1 .quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.facebook-instagram-lesson-2-1 .quiz-progress-fill{height:100%;background:var(--secondary);transition:width .3s ease}.facebook-instagram-lesson-2-1 .quiz-question{padding:30px 0}.facebook-instagram-lesson-2-1 .quiz-question h4{font-size:1.25rem;color:var(--primary-dark);margin-bottom:25px;line-height:1.5;font-weight:800}.facebook-instagram-lesson-2-1 .question-number{font-size:.9rem;color:var(--text-muted);margin-bottom:10px;font-weight:600}.facebook-instagram-lesson-2-1 .quiz-options{display:flex;flex-direction:column;gap:12px}.facebook-instagram-lesson-2-1 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;align-items:center}.facebook-instagram-lesson-2-1 .quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:#eff6ff;transform:translate(5px)}.facebook-instagram-lesson-2-1 .quiz-btn.correct{background:#dcfce7;border-color:var(--success);color:#065f46}.facebook-instagram-lesson-2-1 .quiz-btn.wrong{background:#fee2e2;border-color:var(--danger);color:#991b1b;animation:fbShake2 .5s}.facebook-instagram-lesson-2-1 .quiz-btn:disabled{cursor:not-allowed}@keyframes fbShake2{0%,to{transform:translate(0)}25%,75%{transform:translate(-5px)}50%{transform:translate(5px)}}.facebook-instagram-lesson-2-1 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.facebook-instagram-lesson-2-1 .score-display{padding:20px}.facebook-instagram-lesson-2-1 .score-icon{font-size:4rem;color:var(--warning);margin-bottom:10px}.facebook-instagram-lesson-2-1 .big-score{font-size:5rem;font-weight:800;color:var(--secondary);line-height:1;margin:20px 0}.facebook-instagram-lesson-2-1 .total-score{font-size:2rem;color:var(--text-muted)}.facebook-instagram-lesson-2-1 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.facebook-instagram-lesson-2-1 .quiz-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.facebook-instagram-lesson-2-1 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:fbSlideDown2 .3s ease-out}.facebook-instagram-lesson-2-1 .feedback-msg.success{background:#dcfce7;color:#065f46;border:1px solid #a7f3d0}.facebook-instagram-lesson-2-1 .feedback-msg.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.facebook-instagram-lesson-2-1 .option-letter{font-weight:800;color:var(--secondary);margin-right:10px}.facebook-instagram-lesson-2-1 .site-footer{background:#0f172a;color:#f1f5f9;padding:40px 5%;margin-top:auto}.facebook-instagram-lesson-2-1 .footer-container{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:30px}.facebook-instagram-lesson-2-1 .footer-left{display:flex;flex-direction:column;gap:8px}.facebook-instagram-lesson-2-1 .credits{font-size:.9rem;color:#94a3b8}.facebook-instagram-lesson-2-1 .credits a{color:var(--accent);font-weight:700;text-decoration:none;transition:.2s}.facebook-instagram-lesson-2-1 .credits a:hover{color:#38bdf8;text-decoration:underline}.facebook-instagram-lesson-2-1 .footer-right{display:flex;align-items:center}.facebook-instagram-lesson-2-1 .lang-selector{display:flex;align-items:center;gap:10px;background:#ffffff1a;padding:10px 20px;border-radius:30px}.facebook-instagram-lesson-2-1 .lang-btn{background:transparent;color:#94a3b8;border:1px solid transparent;padding:5px 12px;border-radius:15px;cursor:pointer;font-weight:700;transition:.3s}.facebook-instagram-lesson-2-1 .lang-btn:hover{color:#fff}.facebook-instagram-lesson-2-1 .lang-btn.active{background:var(--secondary);color:#fff;box-shadow:0 2px 8px #0003}.facebook-instagram-lesson-2-1 #celebration{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;display:none;overflow:hidden}.facebook-instagram-lesson-2-1 .confetti-piece{position:absolute;top:-20px;width:10px;height:20px;animation:fbFall2 linear forwards;border-radius:2px}@keyframes fbFall2{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(105vh) rotate(720deg);opacity:0}}@media(max-width:992px){.facebook-instagram-lesson-2-1 .container{flex-direction:column;margin-top:20px}.facebook-instagram-lesson-2-1 .sidebar{width:100%;position:static;order:2;margin-top:30px}.facebook-instagram-lesson-2-1 .main-content{order:1;padding:30px;width:100%}.facebook-instagram-lesson-2-1 .grid-2-cols{grid-template-columns:1fr}.facebook-instagram-lesson-2-1 .hero-header h1{font-size:1.8rem}.facebook-instagram-lesson-2-1 .hero-icon{right:-5%;opacity:.1}}@media(max-width:768px){.facebook-instagram-lesson-2-1 .nav-left .nav-links{display:none}.facebook-instagram-lesson-2-1 .quiz-actions{flex-direction:column}.facebook-instagram-lesson-2-1 .footer-container{flex-direction:column;align-items:flex-start}.facebook-instagram-lesson-2-1 .action-footer.space-between{flex-direction:column;gap:15px}.facebook-instagram-lesson-2-1 .btn-primary,.facebook-instagram-lesson-2-1 .btn-secondary{width:100%;justify-content:center}}.facebook-instagram-lesson-1-1{--primary: #1e3a8a;--primary-light: #2563eb;--primary-dark: #1e293b;--secondary: #3b82f6;--accent: #0ea5e9;--bg-body: #f8fafc;--bg-surface: #ffffff;--text-main: #334155;--text-muted: #64748b;--border-light: #e2e8f0;--danger: #ef4444;--danger-light: #fef2f2;--success: #10b981;--success-light: #ecfdf5;--warning: #f59e0b;--warning-light: #fffbeb;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(59, 130, 246, .2);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}.facebook-instagram-lesson-1-1 body{font-family:var(--font-main);background:var(--bg-body);color:var(--text-main);line-height:1.6;display:flex;flex-direction:column;min-height:100vh}.facebook-instagram-lesson-1-1 a{text-decoration:none;color:inherit}.facebook-instagram-lesson-1-1 ul.styled-list,.facebook-instagram-lesson-1-1 ol.styled-list{margin-left:1.5rem}.facebook-instagram-lesson-1-1 ul.styled-list li,.facebook-instagram-lesson-1-1 ol.styled-list li{margin-bottom:.5rem}.facebook-instagram-lesson-1-1 .math-font{font-family:var(--font-math);letter-spacing:-.5px;font-weight:600;font-size:.95em}.facebook-instagram-lesson-1-1 .font-weight-bold{font-weight:700}.facebook-instagram-lesson-1-1 .mt-2{margin-top:.5rem}.facebook-instagram-lesson-1-1 .mt-3{margin-top:1rem}.facebook-instagram-lesson-1-1 .mt-4{margin-top:1.5rem}.facebook-instagram-lesson-1-1 .mt-5{margin-top:3rem}.facebook-instagram-lesson-1-1 .mb-3{margin-bottom:1rem}.facebook-instagram-lesson-1-1 .mb-4{margin-bottom:1.5rem}.facebook-instagram-lesson-1-1 .mr-2{margin-right:.5rem}.facebook-instagram-lesson-1-1 .text-danger{color:var(--danger)!important}.facebook-instagram-lesson-1-1 .text-muted{color:var(--text-muted);font-size:.9rem}.facebook-instagram-lesson-1-1 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#75cdebf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.facebook-instagram-lesson-1-1 .nav-left{display:flex;align-items:center;gap:40px}.facebook-instagram-lesson-1-1 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark)}.facebook-instagram-lesson-1-1 .brand-logo img{border-radius:8px}.facebook-instagram-lesson-1-1 .nav-links{display:flex;gap:20px}.facebook-instagram-lesson-1-1 .nav-link{font-weight:600;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px;font-size:.95rem}.facebook-instagram-lesson-1-1 .nav-link:hover{color:var(--secondary)}.facebook-instagram-lesson-1-1 .user-profile{display:flex;align-items:center;gap:10px;cursor:pointer;position:relative;padding:5px 10px;border-radius:30px;transition:.3s}.facebook-instagram-lesson-1-1 .user-profile:hover{background:var(--bg-body)}.facebook-instagram-lesson-1-1 .user-profile .avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--secondary)}.facebook-instagram-lesson-1-1 .user-name{font-weight:700;font-size:.95rem}.facebook-instagram-lesson-1-1 .dropdown-menu{position:absolute;top:120%;right:0;background:var(--bg-surface);width:220px;border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:1px solid var(--border-light);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s cubic-bezier(.4,0,.2,1)}.facebook-instagram-lesson-1-1 .dropdown-menu.show{opacity:1;visibility:visible;transform:translateY(0)}.facebook-instagram-lesson-1-1 .dropdown-item{display:flex;align-items:center;gap:12px;padding:12px 20px;font-weight:600;color:var(--text-main);transition:.2s}.facebook-instagram-lesson-1-1 .dropdown-item:hover{background:var(--bg-body);color:var(--secondary)}.facebook-instagram-lesson-1-1 .dropdown-divider{height:1px;background:var(--border-light);margin:5px 0}.facebook-instagram-lesson-1-1 .hero-header{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);color:#fff;padding:60px 5%;display:flex;justify-content:space-between;align-items:center;position:relative;overflow:hidden}.facebook-instagram-lesson-1-1 .hero-content{position:relative;z-index:2;max-width:900px;display:flex;flex-direction:column;align-items:start;justify-content:center;margin:0}.facebook-instagram-lesson-1-1 .breadcrumb{font-size:.85rem;color:#fffc;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#0000004d;padding:6px 15px;border-radius:20px}.facebook-instagram-lesson-1-1 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:10px;letter-spacing:-.5px;text-align:start}.facebook-instagram-lesson-1-1 .hero-header p{font-size:1.15rem;color:#ffffffe6}.facebook-instagram-lesson-1-1 .hero-icon{font-size:8rem;color:#ffffff0d;position:absolute;right:10%;top:50%;transform:translateY(-50%) rotate(10deg);z-index:1}.facebook-instagram-lesson-1-1 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.facebook-instagram-lesson-1-1 .sidebar{flex:0 0 300px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.facebook-instagram-lesson-1-1 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-weight:800}.facebook-instagram-lesson-1-1 .module-list{list-style:none}.facebook-instagram-lesson-1-1 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;color:var(--text-main);border-left:3px solid transparent}.facebook-instagram-lesson-1-1 .module-item i{width:20px;text-align:center;color:var(--text-muted);transition:.3s}.facebook-instagram-lesson-1-1 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.facebook-instagram-lesson-1-1 .module-item.active{background:#eff6ff;color:var(--primary-light);border-left-color:var(--secondary)}.facebook-instagram-lesson-1-1 .module-item.active i{color:var(--secondary)}.facebook-instagram-lesson-1-1 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.facebook-instagram-lesson-1-1 .progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700;font-size:.9rem}.facebook-instagram-lesson-1-1 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.facebook-instagram-lesson-1-1 .progress-fill{height:100%;background:linear-gradient(90deg,var(--secondary),var(--accent));transition:width .6s cubic-bezier(.4,0,.2,1)}.facebook-instagram-lesson-1-1 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.facebook-instagram-lesson-1-1 .fade-in{animation:fbFadeIn1 .5s ease-out}@keyframes fbFadeIn1{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.facebook-instagram-lesson-1-1 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.facebook-instagram-lesson-1-1 .module-title i{color:var(--secondary)}.facebook-instagram-lesson-1-1 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.facebook-instagram-lesson-1-1 .methode-box{background:var(--bg-surface);border:1px solid var(--border-light);border-left:4px solid var(--text-muted);padding:25px;border-radius:var(--radius-md);margin:25px 0;box-shadow:0 2px 10px #00000005}.facebook-instagram-lesson-1-1 .methode-box.excel-theme{border-left-color:var(--secondary);background:#f8fafc}.facebook-instagram-lesson-1-1 .methode-box.alert-theme{border-left-color:var(--danger);background:var(--danger-light)}.facebook-instagram-lesson-1-1 .methode-box h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.25rem;font-weight:800}.facebook-instagram-lesson-1-1 .grid-2-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}.facebook-instagram-lesson-1-1 .func-card{background:var(--bg-surface);border:1px solid var(--border-light);padding:20px;border-radius:var(--radius-md);transition:.3s;border-top:4px solid var(--secondary)}.facebook-instagram-lesson-1-1 .func-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}.facebook-instagram-lesson-1-1 .func-card h3{font-size:1.1rem;color:var(--primary-dark);margin-bottom:10px}.facebook-instagram-lesson-1-1 .func-card p{font-size:.95rem;margin-bottom:15px;color:var(--text-muted)}.facebook-instagram-lesson-1-1 .image-container{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;margin:35px 0;background:var(--bg-body);padding:30px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.facebook-instagram-lesson-1-1 .course-image{max-width:100%;height:auto;border-radius:8px;box-shadow:var(--shadow-sm)}.facebook-instagram-lesson-1-1 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0}.facebook-instagram-lesson-1-1 .exercice-header{background:var(--bg-body);padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:15px}.facebook-instagram-lesson-1-1 .exercice-header .icon{font-size:1.5rem;color:var(--secondary)}.facebook-instagram-lesson-1-1 .exercice-header h3{font-size:1.3rem;font-weight:800;color:var(--primary-dark);margin:0}.facebook-instagram-lesson-1-1 .exercice-body{padding:25px}.facebook-instagram-lesson-1-1 .interactive-zone{background:#f8fafc;padding:25px;border-radius:var(--radius-md);border:1px solid #e2e8f0}.facebook-instagram-lesson-1-1 .interactive-form{background:#f8fafc;padding:25px;border-radius:var(--radius-md);border:1px solid #e2e8f0;margin-top:20px}.facebook-instagram-lesson-1-1 .form-group{margin-bottom:20px}.facebook-instagram-lesson-1-1 .form-group label{display:block;font-weight:700;margin-bottom:8px;color:var(--text-main)}.facebook-instagram-lesson-1-1 .input-field{width:100%;padding:12px 15px;border:2px solid #cbd5e1;border-radius:8px;outline:none;transition:.3s;font-size:1rem;background:#fff;font-family:var(--font-main)}.facebook-instagram-lesson-1-1 .input-field:focus{border-color:var(--secondary);box-shadow:0 0 0 4px #3b82f61a}.facebook-instagram-lesson-1-1 .btn-primary,.facebook-instagram-lesson-1-1 .btn-secondary,.facebook-instagram-lesson-1-1 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;text-decoration:none}.facebook-instagram-lesson-1-1 .btn-primary{background:var(--secondary);color:#fff;box-shadow:0 4px 12px #3b82f633}.facebook-instagram-lesson-1-1 .btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.facebook-instagram-lesson-1-1 .btn-secondary{background:var(--bg-body);color:var(--text-main);border:1px solid #cbd5e1}.facebook-instagram-lesson-1-1 .btn-secondary:hover{background:#e2e8f0}.facebook-instagram-lesson-1-1 .btn-outline-primary{background:transparent;border:2px solid var(--secondary);color:var(--secondary)}.facebook-instagram-lesson-1-1 .btn-outline-primary:hover{background:var(--secondary);color:#fff}.facebook-instagram-lesson-1-1 .btn-lg{padding:15px 30px;font-size:1.1rem;border-radius:10px}.facebook-instagram-lesson-1-1 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex}.facebook-instagram-lesson-1-1 .space-between{justify-content:space-between}.facebook-instagram-lesson-1-1 .pulse-btn{background:var(--success);box-shadow:0 4px 12px #10b9814d;animation:fbPulse1 2s infinite}.facebook-instagram-lesson-1-1 .pulse-btn:hover{background:#059669}@keyframes fbPulse1{0%{box-shadow:0 0 #10b98166}70%{box-shadow:0 0 0 15px #0000}to{box-shadow:0 0 #0000}}.facebook-instagram-lesson-1-1 .correction-wrapper{margin-top:15px}.facebook-instagram-lesson-1-1 .correction-content{background:var(--success-light);border:1px solid #a7f3d0;border-radius:8px;padding:20px;margin-top:15px;animation:fbSlideDown1 .3s ease-out}@keyframes fbSlideDown1{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.facebook-instagram-lesson-1-1 .quiz-progress-bar{height:6px;background:var(--bg-body);border-radius:3px;overflow:hidden}.facebook-instagram-lesson-1-1 .quiz-progress-fill{height:100%;background:var(--secondary);transition:width .3s ease}.facebook-instagram-lesson-1-1 .quiz-question{padding:30px 0}.facebook-instagram-lesson-1-1 .quiz-question h4{font-size:1.25rem;color:var(--primary-dark);margin-bottom:25px;line-height:1.5;font-weight:800}.facebook-instagram-lesson-1-1 .question-number{font-size:.9rem;color:var(--text-muted);margin-bottom:10px;font-weight:600}.facebook-instagram-lesson-1-1 .quiz-options{display:flex;flex-direction:column;gap:12px}.facebook-instagram-lesson-1-1 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;align-items:center}.facebook-instagram-lesson-1-1 .quiz-btn:hover:not(:disabled){border-color:var(--secondary);background:#eff6ff;transform:translate(5px)}.facebook-instagram-lesson-1-1 .quiz-btn.correct{background:#dcfce7;border-color:var(--success);color:#065f46}.facebook-instagram-lesson-1-1 .quiz-btn.wrong{background:#fee2e2;border-color:var(--danger);color:#991b1b;animation:fbShake1 .5s}.facebook-instagram-lesson-1-1 .quiz-btn:disabled{cursor:not-allowed}@keyframes fbShake1{0%,to{transform:translate(0)}25%,75%{transform:translate(-5px)}50%{transform:translate(5px)}}.facebook-instagram-lesson-1-1 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.facebook-instagram-lesson-1-1 .score-display{padding:20px}.facebook-instagram-lesson-1-1 .score-icon{font-size:4rem;color:var(--warning);margin-bottom:10px}.facebook-instagram-lesson-1-1 .big-score{font-size:5rem;font-weight:800;color:var(--secondary);line-height:1;margin:20px 0}.facebook-instagram-lesson-1-1 .total-score{font-size:2rem;color:var(--text-muted)}.facebook-instagram-lesson-1-1 .badge-feedback{font-size:1.15rem;font-weight:700;margin-bottom:30px}.facebook-instagram-lesson-1-1 .quiz-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.facebook-instagram-lesson-1-1 .feedback-msg{margin-top:20px;padding:15px 20px;border-radius:8px;font-weight:700;display:none;text-align:center;font-size:1.05rem;animation:fbSlideDown1 .3s ease-out}.facebook-instagram-lesson-1-1 .feedback-msg.success{background:#dcfce7;color:#065f46;border:1px solid #a7f3d0}.facebook-instagram-lesson-1-1 .feedback-msg.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca;cursor:pointer}.facebook-instagram-lesson-1-1 .feedback-msg.error:hover{opacity:.9}.facebook-instagram-lesson-1-1 .option-letter{font-weight:800;color:var(--secondary);margin-right:10px}.facebook-instagram-lesson-1-1 .site-footer{background:#0f172a;color:#f1f5f9;padding:40px 5%;margin-top:auto}.facebook-instagram-lesson-1-1 .footer-container{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:30px}.facebook-instagram-lesson-1-1 .footer-left{display:flex;flex-direction:column;gap:8px}.facebook-instagram-lesson-1-1 .credits{font-size:.9rem;color:#94a3b8}.facebook-instagram-lesson-1-1 .credits a{color:var(--accent);font-weight:700;text-decoration:none;transition:.2s}.facebook-instagram-lesson-1-1 .credits a:hover{color:#38bdf8;text-decoration:underline}.facebook-instagram-lesson-1-1 .footer-right{display:flex;align-items:center}.facebook-instagram-lesson-1-1 .lang-selector{display:flex;align-items:center;gap:10px;background:#ffffff1a;padding:10px 20px;border-radius:30px}.facebook-instagram-lesson-1-1 .lang-btn{background:transparent;color:#94a3b8;border:1px solid transparent;padding:5px 12px;border-radius:15px;cursor:pointer;font-weight:700;transition:.3s}.facebook-instagram-lesson-1-1 .lang-btn:hover{color:#fff}.facebook-instagram-lesson-1-1 .lang-btn.active{background:var(--secondary);color:#fff;box-shadow:0 2px 8px #0003}.facebook-instagram-lesson-1-1 #celebration{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;display:none;overflow:hidden}.facebook-instagram-lesson-1-1 .confetti-piece{position:absolute;top:-20px;width:10px;height:20px;animation:fbFall1 linear forwards;border-radius:2px}@keyframes fbFall1{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(105vh) rotate(720deg);opacity:0}}@media(max-width:992px){.facebook-instagram-lesson-1-1 .container{flex-direction:column;margin-top:20px}.facebook-instagram-lesson-1-1 .sidebar{width:100%;position:static;order:2;margin-top:30px}.facebook-instagram-lesson-1-1 .main-content{order:1;padding:30px;width:100%}.facebook-instagram-lesson-1-1 .grid-2-cols{grid-template-columns:1fr}.facebook-instagram-lesson-1-1 .hero-header h1{font-size:1.8rem}.facebook-instagram-lesson-1-1 .hero-icon{right:-5%;opacity:.1}}@media(max-width:768px){.facebook-instagram-lesson-1-1 .nav-left .nav-links{display:none}.facebook-instagram-lesson-1-1 .quiz-actions{flex-direction:column}.facebook-instagram-lesson-1-1 .footer-container{flex-direction:column;align-items:flex-start}.facebook-instagram-lesson-1-1 .action-footer.space-between{flex-direction:column;gap:15px}.facebook-instagram-lesson-1-1 .btn-primary,.facebook-instagram-lesson-1-1 .btn-secondary{width:100%;justify-content:center}.facebook-instagram-lesson-0-0 .hero-header h1{text-align:center}}.facebook-instagram-lesson-0-0{--primary: #0668e1;--primary-light: #4a90e2;--primary-dark: #00439e;--secondary: #e1306c;--secondary-dark: #c13584;--accent: #fcaf45;--bg-body: #f0f2f5;--bg-surface: #ffffff;--text-main: #1c1e21;--text-muted: #65676b;--border-light: #e4e6eb;--danger: #e74c3c;--danger-light: #fceceb;--success: #31a24c;--success-light: #eafaf1;--warning: #f39c12;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--radius-md: 12px;--radius-lg: 16px;--font-main: "Nunito", sans-serif;--font-math: "Fira Code", monospace}.facebook-instagram-lesson-0-0 body{font-family:var(--font-main);background:var(--bg-body);color:var(--text-main);line-height:1.6;display:flex;flex-direction:column;min-height:100vh}.facebook-instagram-lesson-0-0 a{text-decoration:none;color:inherit}.facebook-instagram-lesson-0-0 ul.styled-list{margin-left:1.5rem}.facebook-instagram-lesson-0-0 ul.styled-list li{margin-bottom:.8rem}.facebook-instagram-lesson-0-0 .math-font{font-family:var(--font-math);letter-spacing:-.5px}.facebook-instagram-lesson-0-0 .mt-2{margin-top:.5rem}.facebook-instagram-lesson-0-0 .mt-3{margin-top:1rem}.facebook-instagram-lesson-0-0 .mt-4{margin-top:1.5rem}.facebook-instagram-lesson-0-0 .mt-5{margin-top:3rem}.facebook-instagram-lesson-0-0 .mb-3{margin-bottom:1rem}.facebook-instagram-lesson-0-0 .mb-4{margin-bottom:1.5rem}.facebook-instagram-lesson-0-0 img{max-width:100%;object-fit:contain}.facebook-instagram-lesson-0-0 .top-navbar{position:fixed;top:0;left:0;width:100%;height:70px;background:#fff;z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:0 5%;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.facebook-instagram-lesson-0-0 .nav-left{display:flex;align-items:center;gap:40px}.facebook-instagram-lesson-0-0 .brand-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--primary-dark)}.facebook-instagram-lesson-0-0 .nav-links{display:flex;gap:20px}.facebook-instagram-lesson-0-0 .nav-link{font-weight:600;color:var(--text-muted);transition:.3s;display:flex;align-items:center;gap:8px}.facebook-instagram-lesson-0-0 .nav-link:hover{color:var(--primary)}.facebook-instagram-lesson-0-0 .hero-header{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);color:#fff;padding:60px 5%;display:flex;align-items:center;position:relative;overflow:hidden;text-align:center}.facebook-instagram-lesson-0-0 .hero-content{position:relative;z-index:2;max-width:900px;display:flex;flex-direction:column;align-items:start;justify-content:center;margin:0}.facebook-instagram-lesson-0-0 .breadcrumb{font-size:.85rem;color:#fffc;margin-bottom:15px;display:inline-flex;align-items:center;gap:8px;background:#0003;padding:6px 15px;border-radius:20px}.facebook-instagram-lesson-0-0 .hero-header h1{font-size:2.2rem;font-weight:800;margin-bottom:15px;line-height:1.2;text-align:start}.facebook-instagram-lesson-0-0 .hero-header p{font-size:1.15rem;color:#ffffffe6}.facebook-instagram-lesson-0-0 .hero-icon{font-size:12rem;color:#ffffff0d;position:absolute;right:5%;top:50%;transform:translateY(-50%);z-index:1}.facebook-instagram-lesson-0-0 .container{display:flex;max-width:1400px;margin:40px auto;padding:0 5%;gap:30px;flex:1;align-items:flex-start}.facebook-instagram-lesson-0-0 .sidebar{flex:0 0 320px;background:var(--bg-surface);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-sm);position:sticky;top:90px;border:1px solid var(--border-light)}.facebook-instagram-lesson-0-0 .sidebar h2{font-size:1.1rem;color:var(--text-muted);text-transform:uppercase;margin-bottom:20px;font-weight:800}.facebook-instagram-lesson-0-0 .module-list{list-style:none}.facebook-instagram-lesson-0-0 .module-item{padding:12px 15px;margin-bottom:8px;border-radius:8px;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:12px;font-weight:600;font-size:.95rem;color:var(--text-main);border-left:4px solid transparent}.facebook-instagram-lesson-0-0 .module-item:hover{background:var(--bg-body);transform:translate(4px)}.facebook-instagram-lesson-0-0 .module-item.active{background:#e7f3ff;color:var(--primary-dark);border-left-color:var(--primary)}.facebook-instagram-lesson-0-0 .module-item.active i{color:var(--primary)}.facebook-instagram-lesson-0-0 .progress-container{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-light)}.facebook-instagram-lesson-0-0 .progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700;font-size:.9rem}.facebook-instagram-lesson-0-0 .progress-bar{height:8px;background:var(--border-light);border-radius:10px;overflow:hidden}.facebook-instagram-lesson-0-0 .progress-fill{height:100%;background:linear-gradient(90deg,var(--secondary),var(--accent));transition:width .6s ease}.facebook-instagram-lesson-0-0 .main-content{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:0}.facebook-instagram-lesson-0-0 .fade-in{animation:fbFadeIn .4s ease-out}@keyframes fbFadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.facebook-instagram-lesson-0-0 .module-title{color:var(--primary-dark);margin-bottom:30px;font-size:2rem;font-weight:800;display:flex;align-items:center;gap:15px;padding-bottom:15px;border-bottom:2px solid var(--bg-body)}.facebook-instagram-lesson-0-0 .explanation{font-size:1.1rem;color:var(--text-main);margin-bottom:20px}.facebook-instagram-lesson-0-0 .methode-box{background:#f8f9fa;border:1px solid var(--border-light);border-left:5px solid var(--primary);padding:25px;border-radius:var(--radius-md);margin:25px 0}.facebook-instagram-lesson-0-0 .methode-box.js-theme{border-left-color:var(--secondary);background:#fff5f7}.facebook-instagram-lesson-0-0 .methode-box h3{color:var(--primary-dark);margin-bottom:15px;font-size:1.35rem;font-weight:800}.facebook-instagram-lesson-0-0 .methode-box h4{color:var(--text-main);margin:15px 0 10px;font-size:1.15rem;font-weight:700}.facebook-instagram-lesson-0-0 .image-container{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;margin:35px 0;background:var(--bg-body);padding:20px;border-radius:var(--radius-md);border:1px dashed #cbd5e1}.facebook-instagram-lesson-0-0 .course-image{border-radius:8px;box-shadow:var(--shadow-sm);max-height:450px}.facebook-instagram-lesson-0-0 .exercice-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin:30px 0;border-top:4px solid var(--accent)}.facebook-instagram-lesson-0-0 .exercice-header{background:#fafafa;padding:20px 25px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:15px}.facebook-instagram-lesson-0-0 .exercice-header .icon{font-size:1.5rem;color:var(--accent)}.facebook-instagram-lesson-0-0 .exercice-header h3{font-size:1.3rem;font-weight:800;color:var(--text-main);margin:0}.facebook-instagram-lesson-0-0 .exercice-body{padding:25px}.facebook-instagram-lesson-0-0 .interactive-zone{background:#f8f9fa;padding:25px;border-radius:8px;border:1px dashed #cbd5e1;text-align:center}.facebook-instagram-lesson-0-0 .output-box{margin-top:20px;padding:20px;background:#fff;border:1px solid #e2e8f0;border-radius:8px;text-align:left;font-family:var(--font-math)}.facebook-instagram-lesson-0-0 .form-control{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:8px;font-family:var(--font-main);font-size:1rem;resize:vertical}.facebook-instagram-lesson-0-0 .btn-primary,.facebook-instagram-lesson-0-0 .btn-secondary,.facebook-instagram-lesson-0-0 .btn-outline-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;transition:.3s;border:none}.facebook-instagram-lesson-0-0 .btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px #0668e133}.facebook-instagram-lesson-0-0 .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}.facebook-instagram-lesson-0-0 .btn-secondary{background:var(--border-light);color:var(--text-main)}.facebook-instagram-lesson-0-0 .btn-secondary:hover{background:#d1d5db}.facebook-instagram-lesson-0-0 .btn-outline-primary{background:transparent;border:2px solid var(--primary);color:var(--primary)}.facebook-instagram-lesson-0-0 .btn-outline-primary:hover{background:var(--primary);color:#fff}.facebook-instagram-lesson-0-0 .btn-action{background:var(--success);color:#fff;padding:10px 20px;border:none;border-radius:6px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:.2s}.facebook-instagram-lesson-0-0 .btn-action:hover{background:#228b22}.facebook-instagram-lesson-0-0 .action-footer{margin-top:40px;padding-top:25px;border-top:1px solid var(--border-light);display:flex}.facebook-instagram-lesson-0-0 .space-between{justify-content:space-between}.facebook-instagram-lesson-0-0 .action-footer:not(.space-between){justify-content:center}.facebook-instagram-lesson-0-0 .correction-wrapper{margin-top:15px}.facebook-instagram-lesson-0-0 .correction-content{background:#f8f9fa;border:1px solid #cbd5e1;border-radius:8px;padding:20px;margin-top:15px;animation:fbSlideDown .3s ease-out}@keyframes fbSlideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.facebook-instagram-lesson-0-0 .quiz-progress-bar{height:8px;background:var(--border-light);border-radius:4px;overflow:hidden}.facebook-instagram-lesson-0-0 .quiz-progress-fill{height:100%;background:var(--primary);transition:width .3s ease}.facebook-instagram-lesson-0-0 .quiz-question{padding:20px 0}.facebook-instagram-lesson-0-0 .quiz-question h4{font-size:1.3rem;color:var(--text-main);margin-bottom:25px;font-weight:800}.facebook-instagram-lesson-0-0 .question-number{font-size:.9rem;color:var(--text-muted);margin-bottom:10px;font-weight:600}.facebook-instagram-lesson-0-0 .quiz-options{display:flex;flex-direction:column;gap:12px}.facebook-instagram-lesson-0-0 .quiz-btn{width:100%;text-align:left;background:var(--bg-surface);border:2px solid var(--border-light);padding:18px 20px;border-radius:10px;font-size:1.05rem;font-weight:600;color:var(--text-main);cursor:pointer;transition:.2s;display:flex;align-items:center}.facebook-instagram-lesson-0-0 .quiz-btn:hover:not(:disabled){border-color:var(--primary-light);background:#f0f7ff;transform:translate(5px)}.facebook-instagram-lesson-0-0 .quiz-btn.correct{background:#d4edda;border-color:var(--success);color:#155724}.facebook-instagram-lesson-0-0 .quiz-btn.correct-reveal{background:#d4edda;border-color:var(--success);border-style:dashed}.facebook-instagram-lesson-0-0 .quiz-btn.wrong{background:#f8d7da;border-color:var(--danger);color:#721c24;animation:fbShake .4s}.facebook-instagram-lesson-0-0 .quiz-btn:disabled{cursor:not-allowed;opacity:.9}@keyframes fbShake{0%,to{transform:translate(0)}25%,75%{transform:translate(-5px)}50%{transform:translate(5px)}}.facebook-instagram-lesson-0-0 .results-card{text-align:center;padding:40px;background:var(--bg-surface);border:2px solid var(--border-light);border-radius:var(--radius-lg)}.facebook-instagram-lesson-0-0 .score-display{padding:20px}.facebook-instagram-lesson-0-0 .score-icon{font-size:4rem;margin-bottom:15px}.facebook-instagram-lesson-0-0 .big-score{font-size:5rem;font-weight:800;color:var(--primary-dark);margin:20px 0}.facebook-instagram-lesson-0-0 .total-score{font-size:2rem;color:var(--text-muted)}.facebook-instagram-lesson-0-0 .badge-feedback{font-size:1.2rem;font-weight:700;margin-bottom:30px}.facebook-instagram-lesson-0-0 .quiz-actions{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.facebook-instagram-lesson-0-0 .feedback-msg{margin-top:20px;padding:15px;border-radius:8px;font-weight:700;display:none;text-align:center}.facebook-instagram-lesson-0-0 .feedback-msg.success{background:#d4edda;color:#155724}.facebook-instagram-lesson-0-0 .feedback-msg.error{background:#f8d7da;color:#721c24}.facebook-instagram-lesson-0-0 .site-footer{background:#1c1e21;color:#f0f2f5;padding:30px 5%;margin-top:auto;text-align:center}.facebook-instagram-lesson-0-0 .footer-container{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto}.facebook-instagram-lesson-0-0 .footer-left p{margin:5px 0}.facebook-instagram-lesson-0-0 .credits{font-size:.9rem;color:#fff9}.facebook-instagram-lesson-0-0 .credits a{color:var(--accent)}.facebook-instagram-lesson-0-0 .footer-right{display:flex;align-items:center}.facebook-instagram-lesson-0-0 .lang-selector{display:flex;align-items:center;gap:10px;background:#f0f2f5;padding:5px 10px;border-radius:20px}.facebook-instagram-lesson-0-0 .lang-btn{background:transparent;color:var(--text-muted);border:none;padding:5px 15px;border-radius:15px;cursor:pointer;font-weight:700;transition:.3s}.facebook-instagram-lesson-0-0 .lang-btn.active{background:var(--primary);color:#fff}.facebook-instagram-lesson-0-0 .option-letter{font-weight:800;color:var(--primary);margin-right:10px}.facebook-instagram-lesson-0-0 #celebration{display:none;position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9999}.facebook-instagram-lesson-0-0 .confetti-piece{position:absolute;width:10px;height:10px;top:-20px;animation:fbConfettiFall 3s ease-out forwards}@keyframes fbConfettiFall{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}@media(max-width:992px){.facebook-instagram-lesson-0-0 .container{flex-direction:column;margin-top:20px}.facebook-instagram-lesson-0-0 .sidebar{width:100%;position:static;order:2;margin-top:20px}.facebook-instagram-lesson-0-0 .main-content{order:1;padding:25px;width:100%}.facebook-instagram-lesson-0-0 .hero-header h1{font-size:1.8rem}}@media(max-width:768px){.facebook-instagram-lesson-0-0 .nav-links{display:none}.facebook-instagram-lesson-0-0 .quiz-actions{flex-direction:column}.facebook-instagram-lesson-0-0 .action-footer.space-between{flex-direction:column;gap:15px}.facebook-instagram-lesson-0-0 .btn-primary,.facebook-instagram-lesson-0-0 .btn-secondary{width:100%}.facebook-instagram-lesson-0-0 .footer-container{flex-direction:column;gap:20px;text-align:center}.facebook-instagram-lesson-0-0 .hero-header h1{text-align:center}}