/* Variables et reset */
        :root {
            --primary: #4a6bff;
            --secondary: #ff6b6b;
            --accent: #6c63ff;
            --light: #f8f9fa;
            --dark: #343a40;
            --gray: #6c757d;
            --success: #28a745;
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            line-height: 1.6;
            color: var(--dark);
            background-color: #f5f7ff;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-size: 1rem;
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
        }

        .btn-primary:hover {
            background-color: #3a5bef;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(74, 107, 255, 0.4);
        }

        .btn-secondary {
            background-color: var(--secondary);
            color: white;
        }

        .btn-secondary:hover {
            background-color: #ff5252;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4);
        }

        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background-color: var(--primary);
            color: white;
        }

        /* Header */
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
        }

        .logo i {
            margin-right: 10px;
            font-size: 2rem;
        }

        .nav-links {
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            font-weight: 500;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .auth-buttons {
            display: flex;
            gap: 15px;
        }

        

        /* Slider Section */
        .slider {
            position: relative;
            height: 600px;
            overflow: hidden;
        }

        .slides {
            display: flex;
            transition: transform 0.5s ease-in-out;
            height: 100%;
        }

        .slide {
            min-width: 100%;
            position: relative;
            height: 100%;
        }

        .slide-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .slide-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.4);
            display: flex;
            align-items: center;
        }

        .slide-content {
            max-width: 800px;
            margin-left: 10%;
            color: white;
            z-index: 2;
        }

        .slide-content h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .slide-content p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
            max-width: 600px;
        }

        .slide-buttons {
            display: flex;
            gap: 20px;
            margin-top: 30px;
        }

        .slider-controls {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
        }

        .slider-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: var(--transition);
        }

        .slider-dot.active {
            background-color: white;
            transform: scale(1.2);
        }

        .slider-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 100%;
            display: flex;
            justify-content: space-between;
            padding: 0 20px;
            z-index: 10;
        }

        .slider-nav button {
            background-color: rgba(255, 255, 255, 0.2);
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .slider-nav button:hover {
            background-color: rgba(255, 255, 255, 0.4);
        }

        /* Featured Courses */
        .section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .section-title p {
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto;
        }

        .courses-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }

        .course-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .course-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .course-image {
            height: 200px;
            width: 100%;
            object-fit: cover;
        }

        .course-content {
            padding: 20px;
        }

        .course-category {
            display: inline-block;
            background-color: rgba(74, 107, 255, 0.1);
            color: var(--primary);
            padding: 5px 10px;
            border-radius: 5px;
            font-size: 0.8rem;
            margin-bottom: 10px;
        }

        .course-title {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .course-info {
            display: flex;
            justify-content: space-between;
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        .course-rating {
            color: #ffc107;
        }

        .course-price {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.2rem;
        }

        /* Learning Domains */
        .domains {
            background-color: var(--light);
        }

        .domains-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 30px;
        }

        .domain-card {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .domain-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .domain-icon {
            width: 70px;
            height: 70px;
            background-color: rgba(74, 107, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            color: var(--primary);
        }

        .domain-title {
            font-size: 1.3rem;
            margin-bottom: 10px;
        }

        /* Stats Section */
        .stats {
            background: linear-gradient(135deg, #4a6bff 0%, #6c63ff 100%);
            color: white;
            text-align: center;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .stat-text {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        /* Testimonials */
        .testimonials-container {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }

        .testimonial {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin: 20px;
            text-align: center;
        }

        .testimonial-content {
            font-style: italic;
            margin-bottom: 20px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
        }

        .author-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .author-info h4 {
            margin-bottom: 5px;
        }

        .author-info p {
            color: var(--gray);
            font-size: 0.9rem;
        }

        /* CTA Section */
        .cta {
            background-color: var(--primary);
            color: white;
            text-align: center;
            padding: 80px 0;
        }

        .cta h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .cta p {
            max-width: 600px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 20px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 2px;
            background-color: var(--primary);
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            transition: var(--transition);
            opacity: 0.8;
        }

        .footer-links a:hover {
            opacity: 1;
            color: var(--primary);
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .social-links a:hover {
            background-color: var(--primary);
            transform: translateY(-3px);
        }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            opacity: 0.7;
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .slide-content h1 {
                font-size: 2.5rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
			.menu-toggle {
				display: block;
			}
			.dashboard-grid {
                grid-template-columns: 1fr;
            }
			.sidebar {
				transform: translateX(-100%);
			}
			
			.sidebar.active {
				transform: translateX(0);
			}
			
			.main-content {
				margin-left: 0;
			}
        }
		

        @media (max-width: 768px) {
            .nav-links, .auth-buttons {
                display: none;
            }
            
            .menu-toggle {
                display: block;
            }
            
            .slide-buttons {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .btn {
                width: 200px;
                text-align: center;
            }
            
            .slider {
                height: 500px;
            }
            
            .slide-content {
                margin-left: 5%;
                margin-right: 5%;
            }
			
			.content-header {
				flex-direction: column;
				gap: 15px;
				align-items: flex-start;
			}
			
			.filter-options {
				flex-direction: column;
			}
			
			.resources-grid {
				grid-template-columns: 1fr;
			}
			
			.viewer-header {
				flex-direction: column;
				gap: 15px;
			}
			
			.viewer-actions {
				align-self: flex-start;
			}
			
			.form-grid {
				grid-template-columns: 1fr;
			}
			
			.header-actions {
				flex-direction: column;
				align-items: flex-start;
				gap: 10px;
			}
			
			.stats-grid {
				grid-template-columns: 1fr 1fr;
			}
			
			.table-actions-cell {
				flex-direction: column;
			}
			
			.resource-actions-prof {
				flex-direction: column;
			}

			.dashboard-stats {
                grid-template-columns: 1fr 1fr;
            }
            
            .quick-actions {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            .slide-content h1 {
                font-size: 2rem;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .course-card, .domain-card {
                margin-bottom: 20px;
            }
            
            .slider {
                height: 450px;
            }
			
			.auth-container {
				margin: 20px;
			}

			.auth-container-reg {
				margin: 20px;
			}
			
			.auth-section {
				padding: 20px 0;
			}
    
			.form-row {
				flex-direction: column;
				gap: 0;
			}
			
			.social-auth {
				flex-direction: column;
			}
			.dashboard-stats {
                grid-template-columns: 1fr;
            }
        }
		
		/* ===== STYLES POUR PAGES AUTHENTIFICATION ===== */

		.auth-section {
			padding: 20px 0;
			background: linear-gradient(135deg, #f5f7ff 0%, #eef1ff 100%);
			margin-top: -5vh;
			min-height: 100vh;
			display: flex;
			align-items: center;
		}

		.auth-container {
			width: 40%;
			margin: 0 auto;
			background: white;
			border-radius: 15px;
			box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
			overflow: hidden;
		}

		.auth-container-reg {
			width: 60%;
			margin: 0 auto;
			background: white;
			border-radius: 15px;
			box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
			overflow: hidden;
		}

		.auth-header {
			background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
			color: white;
			padding: 30px;
			text-align: center;
		}

		.auth-header h2 {
			margin: 0;
			font-size: 1.8rem;
			font-weight: 600;
		}

		.auth-header p {
			margin: 10px 0 0;
			opacity: 0.9;
		}

		.auth-form {
			padding: 30px;
		}

		.form-group {
			margin-bottom: 20px;
		}

		.form-group label {
			display: block;
			margin-bottom: 8px;
			font-weight: 500;
			color: var(--dark);
		}

		.form-control {
			width: 100%;
			padding: 12px 15px;
			border: 2px solid #e1e5ee;
			border-radius: 8px;
			font-size: 1rem;
			transition: var(--transition);
			background-color: #f8f9fa;
		}

		.form-control:focus {
			outline: none;
			border-color: var(--primary);
			background-color: white;
			box-shadow: 0 0 0 3px rgba(74, 107, 255, 0.1);
		}

		.form-row {
			display: flex;
			gap: 15px;
		}

		.form-row .form-group {
			flex: 1;
		}

		.password-input {
			position: relative;
		}

		.toggle-password {
			position: absolute;
			right: 15px;
			top: 50%;
			transform: translateY(-50%);
			background: none;
			border: none;
			color: var(--gray);
			cursor: pointer;
			transition: var(--transition);
		}

		.toggle-password:hover {
			color: var(--primary);
		}

		.form-options {
			display: flex;
			justify-content: space-between;
			align-items: center;
			margin-bottom: 20px;
			font-size: 0.9rem;
		}

		.remember-me {
			display: flex;
			align-items: center;
			gap: 8px;
		}

		.remember-me input {
			margin: 0;
		}

		.forgot-password {
			color: var(--primary);
			transition: var(--transition);
		}

		.forgot-password:hover {
			color: var(--accent);
		}

		.auth-btn {
			width: 100%;
			padding: 14px;
			font-size: 1rem;
			font-weight: 600;
		}

		.auth-divider {
			text-align: center;
			margin: 25px 0;
			position: relative;
		}

		.auth-divider::before {
			content: '';
			position: absolute;
			top: 50%;
			left: 0;
			right: 0;
			height: 1px;
			background: #e1e5ee;
		}

		.auth-divider span {
			background: white;
			padding: 0 15px;
			color: var(--gray);
			font-size: 0.9rem;
		}

		.social-auth {
			display: flex;
			gap: 15px;
			margin-bottom: 25px;
		}

		.social-btn {
			flex: 1;
			padding: 12px;
			border: 2px solid #e1e5ee;
			border-radius: 8px;
			background: white;
			display: flex;
			align-items: center;
			justify-content: center;
			gap: 10px;
			font-weight: 500;
			transition: var(--transition);
			cursor: pointer;
		}

		.social-btn:hover {
			border-color: var(--primary);
			transform: translateY(-2px);
		}

		.social-btn.google {
			color: #db4437;
		}

		.social-btn.facebook {
			color: #4267B2;
		}

		.auth-footer {
			text-align: center;
			padding: 20px 30px;
			background-color: var(--light);
			border-top: 1px solid #e1e5ee;
		}

		.auth-footer a {
			color: var(--primary);
			font-weight: 500;
			transition: var(--transition);
		}

		.auth-footer a:hover {
			color: var(--accent);
		}

		/* Styles pour les états de validation */
		.form-group.error .form-control {
			border-color: var(--secondary);
		}

		.form-group.success .form-control {
			border-color: var(--success);
		}

		.error-message {
			color: var(--secondary);
			font-size: 0.85rem;
			margin-top: 5px;
			display: none;
		}

		.form-group.error .error-message {
			display: block;
		}

		.success-message {
			background-color: rgba(40, 167, 69, 0.1);
			border: 1px solid var(--success);
			color: var(--success);
			padding: 12px 15px;
			border-radius: 8px;
			margin-bottom: 20px;
			display: none;
		}

		/* Animation pour le chargement */
		.loading {
			position: relative;
			pointer-events: none;
			opacity: 0.7;
		}

		.loading::after {
			content: '';
			position: absolute;
			top: 50%;
			left: 50%;
			width: 20px;
			height: 20px;
			margin: -10px 0 0 -10px;
			border: 2px solid transparent;
			border-top: 2px solid var(--primary);
			border-radius: 50%;
			animation: spin 1s linear infinite;
		}

		@keyframes spin {
			0% { transform: rotate(0deg); }
			100% { transform: rotate(360deg); }
		}

		/* ===== STYLES POUR MODULE RESSOURCES ===== */

		/* Layout principal avec sidebar */
		.app-container {
			display: flex;
			min-height: 100vh;
			background-color: #f5f7ff;
		}

		/* Sidebar */
		.sidebar {
			width: 280px;
			background: white;
			box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
			position: fixed;
			height: 100vh;
			overflow-y: auto;
			z-index: 1000;
			transition: var(--transition);
		}

		.sidebar-header {
			padding: 20px;
			border-bottom: 1px solid #e1e5ee;
			background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
			color: white;
		}

		.sidebar-header .logo {
			color: white;
			font-size: 1.5rem;
		}

		.sidebar-nav {
			padding: 20px 0;
		}

		.sidebar-section {
			margin-bottom: 25px;
		}

		.sidebar-section h3 {
			padding: 0 20px 10px;
			font-size: 0.9rem;
			color: var(--gray);
			text-transform: uppercase;
			letter-spacing: 0.5px;
		}

		.sidebar-links {
			list-style: none;
		}

		.sidebar-links li {
			margin-bottom: 5px;
		}

		.sidebar-links a {
			display: flex;
			align-items: center;
			padding: 12px 20px;
			color: var(--dark);
			text-decoration: none;
			transition: var(--transition);
			border-left: 3px solid transparent;
		}

		.sidebar-links a:hover {
			background-color: rgba(74, 107, 255, 0.05);
			color: var(--primary);
		}

		.sidebar-links a.active {
			background-color: rgba(74, 107, 255, 0.1);
			color: var(--primary);
			border-left-color: var(--primary);
		}

		.sidebar-links i {
			width: 20px;
			margin-right: 12px;
			font-size: 1.1rem;
		}

		/* Contenu principal */
		.main-content {
			flex: 1;
			margin-left: 280px;
			padding: 20px;
			transition: var(--transition);
		}

		/* Header du contenu */
		.content-header {
			background: white;
			padding: 20px 30px;
			border-radius: 10px;
			box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
			margin-bottom: 30px;
			display: flex;
			justify-content: space-between;
			align-items: center;
		}

		.content-header h1 {
			margin: 0;
			color: var(--dark);
			font-size: 1.8rem;
		}

		.user-menu {
			display: flex;
			align-items: center;
			gap: 15px;
		}

		.user-info {
			display: flex;
			align-items: center;
			gap: 10px;
		}

		.user-avatar {
			width: 40px;
			height: 40px;
			border-radius: 50%;
			background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
			display: flex;
			align-items: center;
			justify-content: center;
			color: white;
			font-weight: 600;
		}

		/* Filtres et recherche */
		.filters-section {
			background: white;
			padding: 20px;
			border-radius: 10px;
			box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
			margin-bottom: 30px;
		}

		.search-box {
			position: relative;
			margin-bottom: 20px;
		}

		.search-box input {
			width: 100%;
			padding: 12px 45px 12px 15px;
			border: 2px solid #e1e5ee;
			border-radius: 8px;
			font-size: 1rem;
			transition: var(--transition);
		}

		.search-box input:focus {
			outline: none;
			border-color: var(--primary);
		}

		.search-btn {
			position: absolute;
			right: 15px;
			top: 50%;
			transform: translateY(-50%);
			background: none;
			border: none;
			color: var(--gray);
			cursor: pointer;
		}

		.filter-options {
			display: flex;
			gap: 15px;
			flex-wrap: wrap;
		}

		.filter-group {
			flex: 1;
			min-width: 200px;
		}

		.filter-group label {
			display: block;
			margin-bottom: 8px;
			font-weight: 500;
			color: var(--dark);
		}

		.filter-group select {
			width: 100%;
			padding: 10px 15px;
			border: 2px solid #e1e5ee;
			border-radius: 8px;
			background: white;
			font-size: 1rem;
		}

		/* Grille des ressources */
		.resources-grid {
			display: grid;
			grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
			gap: 25px;
		}

		.resource-card {
			background: white;
			border-radius: 10px;
			overflow: hidden;
			box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
			transition: var(--transition);
		}

		.resource-card:hover {
			transform: translateY(-5px);
			box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
		}

		.resource-header {
			padding: 20px;
			border-bottom: 1px solid #e1e5ee;
		}

		.resource-type {
			display: inline-flex;
			align-items: center;
			gap: 8px;
			padding: 6px 12px;
			background: rgba(74, 107, 255, 0.1);
			color: var(--primary);
			border-radius: 20px;
			font-size: 0.8rem;
			font-weight: 500;
		}

		.resource-title {
			margin: 15px 0 10px;
			font-size: 1.2rem;
			color: var(--dark);
		}

		.resource-meta {
			display: flex;
			justify-content: space-between;
			color: var(--gray);
			font-size: 0.9rem;
		}

		.resource-domain {
			background: rgba(108, 99, 255, 0.1);
			color: var(--accent);
			padding: 4px 8px;
			border-radius: 5px;
			font-size: 0.8rem;
		}

		.resource-content {
			padding: 20px;
		}

		.resource-description {
			color: var(--gray);
			margin-bottom: 20px;
			line-height: 1.5;
		}

		.resource-actions {
			display: flex;
			gap: 10px;
		}

		.btn-icon {
			display: inline-flex;
			align-items: center;
			gap: 8px;
			padding: 10px 15px;
			border: none;
			border-radius: 6px;
			font-weight: 500;
			cursor: pointer;
			transition: var(--transition);
			font-size: 0.9rem;
		}

		.btn-icon i {
			font-size: 1rem;
		}

		/* Vue détaillée de la ressource */
		.resource-detail {
			background: white;
			border-radius: 10px;
			box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
			overflow: hidden;
		}

		.resource-viewer {
			padding: 30px;
			border-bottom: 1px solid #e1e5ee;
			min-height: 500px;
			display: flex;
			flex-direction: column;
		}

		.viewer-header {
			display: flex;
			justify-content: space-between;
			align-items: flex-start;
			margin-bottom: 30px;
		}

		.resource-info h2 {
			margin: 0 0 10px;
			color: var(--dark);
		}

		.resource-info .resource-meta {
			margin-bottom: 0;
		}

		.viewer-actions {
			display: flex;
			gap: 10px;
		}

		.viewer-content {
			flex: 1;
			display: flex;
			align-items: center;
			justify-content: center;
			background: #f8f9fa;
			border-radius: 8px;
			padding: 30px;
		}

		.pdf-viewer, .image-viewer, .video-viewer {
			width: 100%;
			max-width: 800px;
		}

		.pdf-viewer iframe, .video-viewer video {
			width: 100%;
			height: 400px;
			border: none;
			border-radius: 8px;
		}

		.image-viewer img {
			max-width: 100%;
			max-height: 400px;
			border-radius: 8px;
		}

		/* Section commentaires */
		.comments-section {
			padding: 30px;
		}

		.comments-header {
			display: flex;
			justify-content: space-between;
			align-items: center;
			margin-bottom: 25px;
		}

		.comments-header h3 {
			margin: 0;
			color: var(--dark);
		}

		.comments-count {
			color: var(--gray);
			font-size: 0.9rem;
		}

		.comment-form {
			margin-bottom: 30px;
		}

		.comment-input {
			width: 100%;
			padding: 15px;
			border: 2px solid #e1e5ee;
			border-radius: 8px;
			font-size: 1rem;
			resize: vertical;
			min-height: 100px;
			transition: var(--transition);
		}

		.comment-input:focus {
			outline: none;
			border-color: var(--primary);
		}

		.comment-submit {
			margin-top: 15px;
			display: flex;
			justify-content: flex-end;
		}

		.comments-list {
			space-y: 20px;
		}

		.comment {
			padding: 20px;
			border: 1px solid #e1e5ee;
			border-radius: 8px;
			margin-bottom: 20px;
		}

		.comment-header {
			display: flex;
			justify-content: space-between;
			align-items: flex-start;
			margin-bottom: 10px;
		}

		.comment-author {
			display: flex;
			align-items: center;
			gap: 10px;
		}

		.author-avatar {
			width: 35px;
			height: 35px;
			border-radius: 50%;
			background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
			display: flex;
			align-items: center;
			justify-content: center;
			color: white;
			font-size: 0.8rem;
			font-weight: 600;
		}

		.author-info h4 {
			margin: 0;
			font-size: 1rem;
		}

		.author-info .comment-date {
			color: var(--gray);
			font-size: 0.8rem;
		}

		.comment-actions {
			display: flex;
			gap: 10px;
		}

		.comment-action {
			background: none;
			border: none;
			color: var(--gray);
			cursor: pointer;
			font-size: 0.9rem;
			transition: var(--transition);
		}

		.comment-action:hover {
			color: var(--primary);
		}

		.comment-content {
			color: var(--dark);
			line-height: 1.5;
		}

		.comment-edit-form {
			display: none;
			margin-top: 10px;
		}

		.comment-edit-form textarea {
			width: 100%;
			padding: 10px;
			border: 2px solid #e1e5ee;
			border-radius: 6px;
			resize: vertical;
			min-height: 80px;
		}

		.comment-edit-actions {
			display: flex;
			gap: 10px;
			margin-top: 10px;
			justify-content: flex-end;
		}

		/* États vides */
		.empty-state {
			text-align: center;
			padding: 60px 20px;
			color: var(--gray);
		}

		.empty-state i {
			font-size: 4rem;
			margin-bottom: 20px;
			color: #e1e5ee;
		}

		.empty-state h3 {
			margin: 0 0 10px;
			color: var(--dark);
		}

		



		/* Toggle menu mobile */
		.menu-toggle {
			display: none;
			background: none;
			border: none;
			font-size: 1.5rem;
			color: var(--dark);
			cursor: pointer;
		}

/* ===== STYLES SPÉCIFIQUES PROFESSEUR ===== */

		/* Header actions supplémentaires */
		.header-actions {
			display: flex;
			gap: 15px;
			align-items: center;
		}

		/* Badge professeur */
		.professor-badge {
			background: linear-gradient(135deg, var(--secondary) 0%, #ff8e8e 100%);
			color: white;
			padding: 4px 12px;
			border-radius: 20px;
			font-size: 0.8rem;
			font-weight: 600;
		}

		/* Boutons d'action supplémentaires */
		.btn-success {
			background-color: var(--success);
			color: white;
		}

		.btn-success:hover {
			background-color: #218838;
			transform: translateY(-3px);
			box-shadow: 0 5px 15px rgba(40, 167, 69, 0.4);
		}

		.btn-danger {
			background-color: var(--secondary);
			color: white;
		}

		.btn-danger:hover {
			background-color: #dc3545;
			transform: translateY(-3px);
			box-shadow: 0 5px 15px rgba(220, 53, 69, 0.4);
		}

		/* Modal d'ajout/édition */
		.modal {
			display: none;
			position: fixed;
			top: 0;
			left: 0;
			width: 100%;
			height: 100%;
			background: rgba(0, 0, 0, 0.5);
			z-index: 2000;
			align-items: center;
			justify-content: center;
		}

		.modal.active {
			display: flex;
		}

		.modal-content {
			background: white;
			border-radius: 15px;
			width: 90%;
			/*max-width: 600px;*/
			max-width: 80%;
			max-height: 90vh;
			overflow-y: auto;
			box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
		}

		.modal-header {
			padding: 25px 30px 0;
			display: flex;
			justify-content: space-between;
			align-items: center;
		}

		.modal-header h2 {
			margin: 0;
			color: var(--dark);
		}

		.close-modal {
			background: none;
			border: none;
			font-size: 1.5rem;
			color: var(--gray);
			cursor: pointer;
			transition: var(--transition);
		}

		.close-modal:hover {
			color: var(--secondary);
		}

		.modal-body {
			padding: 25px 30px;
		}

		/* Formulaire d'ajout de ressource */
		.form-grid {
			display: grid;
			grid-template-columns: 1fr 1fr;
			gap: 20px;
		}

		.form-group.full-width {
			grid-column: 1 / -1;
		}

		.file-upload {
			border: 2px dashed #e1e5ee;
			border-radius: 8px;
			padding: 30px;
			text-align: center;
			transition: var(--transition);
			cursor: pointer;
		}

		.file-upload:hover {
			border-color: var(--primary);
			background: rgba(74, 107, 255, 0.02);
		}

		.file-upload i {
			font-size: 3rem;
			color: var(--gray);
			margin-bottom: 15px;
		}

		.file-upload.dragover {
			border-color: var(--primary);
			background: rgba(74, 107, 255, 0.05);
		}

		.file-info {
			margin-top: 15px;
			font-size: 0.9rem;
			color: var(--gray);
		}

		.file-preview {
			margin-top: 15px;
			display: none;
		}

		.file-preview.active {
			display: block;
		}

		.preview-item {
			display: flex;
			align-items: center;
			gap: 12px;
			padding: 12px;
			background: #f8f9fa;
			border-radius: 6px;
			margin-bottom: 10px;
		}

		.preview-icon {
			width: 40px;
			height: 40px;
			background: var(--primary);
			border-radius: 6px;
			display: flex;
			align-items: center;
			justify-content: center;
			color: white;
		}

		.preview-details {
			flex: 1;
		}

		.preview-name {
			font-weight: 500;
			margin-bottom: 4px;
		}

		.preview-size {
			font-size: 0.8rem;
			color: var(--gray);
		}

		.remove-file {
			background: none;
			border: none;
			color: var(--secondary);
			cursor: pointer;
			padding: 5px;
		}

		/* Actions de ressource supplémentaires */
		.resource-actions-prof {
			display: flex;
			gap: 8px;
			flex-wrap: wrap;
		}

		.action-btn {
			display: inline-flex;
			align-items: center;
			gap: 6px;
			padding: 8px 12px;
			border: none;
			border-radius: 6px;
			font-size: 0.85rem;
			font-weight: 500;
			cursor: pointer;
			transition: var(--transition);
		}

		.action-btn i {
			font-size: 0.9rem;
		}

		/* Statistiques des ressources */
		.resource-stats {
			background: white;
			border-radius: 10px;
			padding: 25px;
			box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
			margin-bottom: 30px;
		}

		.stats-grid {
			display: grid;
			grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
			gap: 20px;
		}

		.stat-card {
			text-align: center;
			padding: 20px;
			border-radius: 8px;
			background: #f8f9fa;
			transition: var(--transition);
		}

		.stat-card:hover {
			transform: translateY(-3px);
			box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
		}

		.stat-number {
			font-size: 2.5rem;
			font-weight: 700;
			margin-bottom: 8px;
		}

		.stat-card.total .stat-number { color: var(--primary); }
		.stat-card.views .stat-number { color: var(--accent); }
		.stat-card.downloads .stat-number { color: var(--success); }
		.stat-card.comments .stat-number { color: var(--secondary); }

		.stat-label {
			color: var(--gray);
			font-size: 0.9rem;
		}

		/* Tableau de gestion des ressources */
		.management-table {
			background: white;
			border-radius: 10px;
			box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
			overflow: hidden;
		}

		.table-header {
			padding: 20px 25px;
			border-bottom: 1px solid #e1e5ee;
			display: flex;
			justify-content: space-between;
			align-items: center;
		}

		.table-header h3 {
			margin: 0;
			color: var(--dark);
		}

		.table-actions {
			display: flex;
			gap: 10px;
		}

		.table-container {
			overflow-x: auto;
		}

		.resources-table {
			width: 100%;
			border-collapse: collapse;
		}

		.resources-table th {
			background: #f8f9fa;
			padding: 15px 20px;
			text-align: left;
			font-weight: 600;
			color: var(--dark);
			border-bottom: 1px solid #e1e5ee;
		}

		.resources-table td {
			padding: 15px 20px;
			border-bottom: 1px solid #e1e5ee;
		}

		.resource-row:hover {
			background: #f8f9fa;
		}

		.resource-name {
			display: flex;
			align-items: center;
			gap: 12px;
		}

		.resource-icon {
			width: 40px;
			height: 40px;
			border-radius: 6px;
			display: flex;
			align-items: center;
			justify-content: center;
			color: white;
			font-size: 1.2rem;
		}

		.resource-icon.pdf { background: #e74c3c; }
		.resource-icon.video { background: #9b59b6; }
		.resource-icon.image { background: #3498db; }
		.resource-icon.document { background: #2ecc71; }

		.resource-info h4 {
			margin: 0 0 4px;
			font-size: 1rem;
		}

		.resource-info p {
			margin: 0;
			color: var(--gray);
			font-size: 0.85rem;
		}

		.status-badge {
			padding: 4px 10px;
			border-radius: 12px;
			font-size: 0.8rem;
			font-weight: 500;
		}

		.status-published { background: rgba(40, 167, 69, 0.1); color: var(--success); }
		.status-draft { background: rgba(108, 117, 125, 0.1); color: var(--gray); }

		.table-actions-cell {
			display: flex;
			gap: 8px;
		}

		/* Modération des commentaires */
		.comment-moderator {
			display: flex;
			align-items: center;
			gap: 8px;
			margin-top: 8px;
		}

		.moderator-badge {
			background: rgba(255, 107, 107, 0.1);
			color: var(--secondary);
			padding: 2px 8px;
			border-radius: 10px;
			font-size: 0.7rem;
			font-weight: 600;
		}

		.moderator-actions {
			display: flex;
			gap: 5px;
		}

		/* Bulk actions */
		.bulk-actions {
			background: #f8f9fa;
			padding: 15px 25px;
			border-top: 1px solid #e1e5ee;
			display: none;
		}

		.bulk-actions.active {
			display: flex;
			justify-content: space-between;
			align-items: center;
		}

		.bulk-selection {
			color: var(--gray);
			font-size: 0.9rem;
		}

		/* Confirmations de suppression */
		.confirm-dialog {
			display: none;
			position: fixed;
			top: 0;
			left: 0;
			width: 100%;
			height: 100%;
			background: rgba(0, 0, 0, 0.5);
			z-index: 3000;
			align-items: center;
			justify-content: center;
		}

		.confirm-dialog.active {
			display: flex;
		}

		.dialog-content {
			background: white;
			border-radius: 10px;
			padding: 30px;
			max-width: 400px;
			width: 90%;
			text-align: center;
			box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
		}

		.dialog-icon {
			width: 60px;
			height: 60px;
			border-radius: 50%;
			background: rgba(255, 107, 107, 0.1);
			display: flex;
			align-items: center;
			justify-content: center;
			margin: 0 auto 20px;
			color: var(--secondary);
			font-size: 1.5rem;
		}

		.dialog-buttons {
			display: flex;
			gap: 15px;
			justify-content: center;
			margin-top: 25px;
		}

		.dialog-buttons .btn {
			min-width: 100px;
		}

		

		/* Indicateurs de chargement */
		.upload-progress {
			margin-top: 15px;
			display: none;
		}

		.progress-bar {
			width: 100%;
			height: 6px;
			background: #e1e5ee;
			border-radius: 3px;
			overflow: hidden;
		}

		.progress-fill {
			height: 100%;
			background: var(--primary);
			width: 0%;
			transition: width 0.3s ease;
		}

		.progress-text {
			text-align: center;
			font-size: 0.8rem;
			color: var(--gray);
			margin-top: 5px;
		}
/* Styles spécifiques au tableau de bord professeur */
        .dashboard-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 25px;
            margin-bottom: 30px;
        }
        
        .stat-card-dashboard {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            border-left: 4px solid var(--primary);
        }
        
        .stat-card-dashboard:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        
        .stat-card-dashboard.courses {
            border-left-color: var(--primary);
        }
        
        .stat-card-dashboard.students {
            border-left-color: var(--accent);
        }
        
        .stat-card-dashboard.resources {
            border-left-color: var(--success);
        }
        
        .stat-card-dashboard.evaluations {
            border-left-color: var(--secondary);
        }
        
        .stat-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .stat-icon {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }
        
        .stat-card-dashboard.courses .stat-icon {
            background: rgba(74, 107, 255, 0.1);
            color: var(--primary);
        }
        
        .stat-card-dashboard.students .stat-icon {
            background: rgba(108, 99, 255, 0.1);
            color: var(--accent);
        }
        
        .stat-card-dashboard.resources .stat-icon {
            background: rgba(40, 167, 69, 0.1);
            color: var(--success);
        }
        
        .stat-card-dashboard.evaluations .stat-icon {
            background: rgba(255, 107, 107, 0.1);
            color: var(--secondary);
        }
        
        .stat-value {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 5px;
        }
        
        .stat-label {
            color: var(--gray);
            font-size: 0.95rem;
        }
        
        .stat-trend {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 0.85rem;
            margin-top: 10px;
        }
        
        .trend-up {
            color: var(--success);
        }
        
        .trend-down {
            color: var(--secondary);
        }
        
        .dashboard-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        
        .dashboard-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        
        .card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .card-header h3 {
            margin: 0;
            color: var(--dark);
            font-size: 1.3rem;
        }
        
        .view-all {
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
        }
        
        .view-all:hover {
            color: var(--accent);
        }
        
        .activity-list, .recent-list {
            list-style: none;
        }
        
        .activity-item, .recent-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 15px 0;
            border-bottom: 1px solid #f1f3f4;
        }
        
        .activity-item:last-child, .recent-item:last-child {
            border-bottom: none;
        }
        
        .activity-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }
        
        .activity-icon.course {
            background: rgba(74, 107, 255, 0.1);
            color: var(--primary);
        }
        
        .activity-icon.resource {
            background: rgba(40, 167, 69, 0.1);
            color: var(--success);
        }
        
        .activity-icon.evaluation {
            background: rgba(255, 107, 107, 0.1);
            color: var(--secondary);
        }
        
        .activity-icon.student {
            background: rgba(108, 99, 255, 0.1);
            color: var(--accent);
        }
        
        .activity-content {
            flex: 1;
        }
        
        .activity-title {
            font-weight: 500;
            margin-bottom: 4px;
        }
        
        .activity-time {
            color: var(--gray);
            font-size: 0.85rem;
        }
        
        .recent-item {
            padding: 12px 0;
        }
        
        .recent-thumb {
            width: 50px;
            height: 50px;
            border-radius: 8px;
            background: #f8f9fa;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
        }
        
        .recent-content {
            flex: 1;
        }
        
        .recent-title {
            font-weight: 500;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }
        
        .recent-meta {
            color: var(--gray);
            font-size: 0.8rem;
        }
        
        .quick-actions {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }
        
        .action-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            cursor: pointer;
        }
        
        .action-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            background: var(--primary);
            color: white;
        }
        
        .action-card:hover .action-icon,
        .action-card:hover .action-title,
        .action-card:hover .action-desc {
            color: white;
        }
        
        .action-icon {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            background: rgba(74, 107, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-size: 1.5rem;
            color: var(--primary);
            transition: var(--transition);
        }
        
        .action-title {
            font-weight: 600;
            margin-bottom: 8px;
            transition: var(--transition);
        }
        
        .action-desc {
            color: var(--gray);
            font-size: 0.9rem;
            transition: var(--transition);
        }

		/* État vide du tableau des ressources*/
		.management-table .table-container {
			min-height: 200px;
		}

		.status-published {
			background: var(--success-light);
			color: var(--success);
		}

		.status-draft {
			background: var(--warning-light);
			color: var(--warning);
		}

		.resource-icon.pdf {
			background: #f56565;
			color: white;
		}

		.resource-icon.video {
			background: #4299e1;
			color: white;
		}

		.resource-icon.image {
			background: #48bb78;
			color: white;
		}

		.resource-icon.document {
			background: #ed8936;
			color: white;
		}


		/* États de chargement pour les boutons 06/11/2025 */
		.btn-disabled {
			opacity: 0.6;
			pointer-events: none;
		}

		/* Animation de suppression */
		@keyframes fadeOut {
			from { opacity: 1; }
			to { opacity: 0; }
		}

		.fade-out {
			animation: fadeOut 0.3s ease-out forwards;
		}

		/* Notifications */
		.notification {
			position: fixed;
			top: 20px;
			right: 20px;
			padding: 15px 20px;
			border-radius: 5px;
			z-index: 10000;
			box-shadow: 0 5px 15px rgba(0,0,0,0.2);
			color: white;
			font-weight: 500;
		}

		.notification.success {
			background-color: var(--success);
		}

		.notification.error {
			background-color: var(--secondary);
		}

		.notification.warning {
			background-color: #ffc107;
			color: var(--dark);
		}
.chapter-drag-handle {
            cursor: move;
            color: var(--gray);
            padding: 0 10px;
        }
        
        .chapter-drag-handle:hover {
            color: var(--primary);
        }
        
        .chapters-list {
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            overflow: hidden;
        }
        
        .chapter-item {
            display: flex;
            align-items: center;
            padding: 15px 20px;
            border-bottom: 1px solid #e1e5ee;
            background: white;
            transition: var(--transition);
        }
        
        .chapter-item:hover {
            background: #f8f9fa;
        }
        
        .chapter-item.dragging {
            opacity: 0.5;
            background: rgba(74, 107, 255, 0.1);
        }
        
        .chapter-number {
            width: 35px;
            height: 35px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            margin-right: 15px;
        }
        
        .chapter-content {
            flex: 1;
        }
        
        .chapter-title {
            font-weight: 600;
            margin-bottom: 5px;
            color: var(--dark);
        }
        
        .chapter-meta {
            display: flex;
            gap: 15px;
            color: var(--gray);
            font-size: 0.85rem;
        }
        
        .chapter-actions {
            display: flex;
            gap: 10px;
        }
        
        .empty-chapters {
            text-align: center;
            padding: 60px 20px;
            color: var(--gray);
        }
        
        .empty-chapters i {
            font-size: 3rem;
            margin-bottom: 20px;
            color: #e1e5ee;
        }
        
        .empty-chapters h3 {
            margin: 0 0 10px;
            color: var(--dark);
        }
        
        .back-to-courses {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 500;
            margin-bottom: 20px;
            cursor: pointer;
        }
        
        .back-to-courses:hover {
            color: #3a5bef;
        }
        
        /* Styles pour CKEditor */
        .ck-editor__editable {
            min-height: 200px;
            max-height: 400px;
            overflow-y: auto;
        }
        
        /* Styles améliorés pour la prévisualisation des fichiers */
        .preview-info {
            display: flex;
            gap: 10px;
            font-size: 0.8rem;
            color: var(--gray);
        }
        
        .preview-info .preview-size {
            font-weight: 500;
        }
        
        .preview-info .preview-type {
            background: rgba(74, 107, 255, 0.1);
            color: var(--primary);
            padding: 2px 6px;
            border-radius: 3px;
        }