.categories {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding: 10px 0;
            margin-bottom: 15px;
            -webkit-overflow-scrolling: touch;
        }
        
        .category {
            flex: 0 0 auto;
            padding: 10px 20px;
            border-radius: 20px;
            background-color: white;
            color: #666;
            font-size: 14px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .category:hover, .category.active  {
            background-color: #6e8efb;
            color: white;
        }
        
        .wallpaper-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
            gap: 15px;
        }
        
        .wallpaper-item {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
            aspect-ratio: 9/16;
        }
        
        .wallpaper-item:hover {
            transform: scale(1.03);
        }
        
        .wallpaper-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        
        .wallpaper-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
            padding: 10px;
            color: white;
        }
        
        .wallpaper-info h3 {
            font-size: 14px;
            margin-bottom: 5px;
        }
        
        
        @media (max-width: 768px) {
            .wallpaper-grid {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            }
        }