/* Styles généraux */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f9f9;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* En-tête */
        header {
            background: linear-gradient(135deg, #2c3e50, #4a6491);
            color: white;
            padding: 1.5rem 0;
            text-align: center;
            margin-bottom: 2rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        h1 {
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
        }
        
        .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        /* Grille d'images */
        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
            margin-bottom: 2rem;
        }
        
        .gallery-item {
            position: relative;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s, box-shadow 0.3s;
            background-color: white;
            cursor: pointer;
        }
        
        .gallery-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
        }
        
        .gallery-item img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            transition: transform 0.5s;
        }
        
        .gallery-item:hover img {
            transform: scale(1.05);
        }
        
        .image-info {
            padding: 1rem;
        }
        
        .image-title {
            font-weight: bold;
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }
        
        .image-category {
            display: inline-block;
            background-color: #3498db;
            color: white;
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            font-size: 0.8rem;
        }
        
        .theme-link {
            display: block;
            margin-top: 0.5rem;
            color: #3498db;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
        }
        
        .theme-link:hover {
            color: #2980b9;
            text-decoration: underline;
        }
        
        /* Bouton Like */
        .like-btn {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(255, 255, 255, 0.8);
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            transition: all 0.3s;
            z-index: 10;
        }
        
        .like-btn:hover {
            background: rgba(255, 255, 255, 1);
            transform: scale(1.1);
        }
        
        .like-btn.liked {
            color: #e74c3c;
        }
        
        .like-count {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(0, 0, 0, 0.7);
            color: white;
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            font-size: 0.8rem;
            z-index: 10;
        }
        
        /* Modal pour l'affichage en grand */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 1); 
            z-index: 1000;
            justify-content: center;
            align-items: center;
            padding: 2rem;
        }
        
        .modal-content {
            max-width: 90%;
            max-height: 90%;
            object-fit: contain;
            border-radius: 8px;
            box-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
        }
        
        .close-btn {
            position: absolute;
            top: 20px;
            right: 30px;
            color: white;
            font-size: 2.5rem;
            cursor: pointer;
            transition: color 0.3s;
            z-index: 1001;
        }
        
        .close-btn:hover {
            color: #3498db;
        }
        
        .prev-btn, .next-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            color: white;
            font-size: 2rem;
            cursor: pointer;
            padding: 1rem;
            transition: color 0.3s;
            z-index: 1001;
            background-color: rgba(0, 0, 0, 0.3);
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .prev-btn {
            left: 20px;
        }
        
        .next-btn {
            right: 20px;
        }
        
        .prev-btn:hover, .next-btn:hover {
            color: #3498db;
            background-color: rgba(0, 0, 0, 0.5);
        }
        
        /* Bouton Like dans le modal */
        .modal-like-btn {
            position: absolute;
            bottom: 20px;
            right: 20px;
            background: rgba(0, 0, 0, 0.7);
            color: white;
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            transition: all 0.3s;
            z-index: 1001;
            font-size: 1.2rem;
        }
        
        .modal-like-btn:hover {
            background: rgba(0, 0, 0, 0.9);
            transform: scale(1.1);
        }
        
        .modal-like-btn.liked {
            color: #e74c3c;
        }
        
        /* Page thématique */
        .theme-page {
            display: none;
        }
        
        .theme-header {
            display: flex;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
        }
        
        .back-btn {
            background-color: #3498db;
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            cursor: pointer;
            margin-right: 1rem;
            transition: background-color 0.3s;
        }
        
        .back-btn:hover {
            background-color: #2980b9;
        }
        
        .theme-title {
            font-size: 1.8rem;
            color: #2c3e50;
        }
        
        /* Pied de page */
        footer {
            background-color: #2c3e50;
            color: white;
            text-align: center;
            padding: 1.5rem 0;
            margin-top: 2rem;
        }