body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            margin: 0;
            padding: 20px;
            min-height: 100vh;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(10px);
        }
        
        h1 {
            text-align: center;
            color: #333;
            margin-bottom: 30px;
            font-size: 2.5rem;
            background: linear-gradient(135deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        h2 {
            color: #444;
            border-bottom: 3px solid #667eea;
            padding-bottom: 10px;
            margin-top: 40px;
        }
        
        h3 {
            color: #555;
            background: linear-gradient(90deg, #f8f9fa, transparent);
            padding: 15px;
            border-left: 5px solid #667eea;
            border-radius: 5px;
            margin-top: 30px;
        }
        
        .filter-container {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            padding: 20px;
            border-radius: 15px;
            margin-bottom: 30px;
            border: 1px solid #dee2e6;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .filter-title {
            font-weight: bold;
            margin-bottom: 15px;
            color: #495057;
            font-size: 1.1rem;
        }
        
        .filter-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .filter-btn {
            padding: 8px 16px;
            border: 2px solid #667eea;
            background: white;
            color: #667eea;
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 14px;
            font-weight: 500;
        }
        
        .filter-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
        }
        
        .filter-btn.active {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            transform: scale(1.05);
        }
        
        table {
            width: 100%;
            margin-bottom: 30px;
            border-collapse: collapse;
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
        }
        
        th {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 15px 10px;
            font-weight: 600;
            text-align: left;
            position: sticky;
            top: 0;
            z-index: 10;
        }
        
        td {
            padding: 12px 10px;
            border-bottom: 1px solid #f1f3f4;
            transition: background-color 0.3s ease;
        }
        
        tr:hover td {
            background-color: #f8f9ff;
        }
        
        .addToFavorites, .removeFromFavorites {
            background: linear-gradient(135deg, #28a745, #20c997);
            color: white;
            border: none;
            padding: 8px 15px;
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 12px;
            font-weight: 500;
        }
        
        .addToFavorites:hover, .removeFromFavorites:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(40, 167, 69, 0.3);
        }
        
        .removeFromFavorites {
            background: linear-gradient(135deg, #dc3545, #c82333);
        }
        
        .removeFromFavorites:hover {
            box-shadow: 0 5px 15px rgba(220, 53, 69, 0.3);
        }
        
        a {
            color: #667eea;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        
        a:hover {
            color: #764ba2;
            text-decoration: underline;
        }
        
        #scrollToTopBtn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 18px;
            display: none;
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
            transition: all 0.3s ease;
            z-index: 1000;
        }
        
        #scrollToTopBtn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
        }
        
        .empty-favorites {
            text-align: center;
            color: #6c757d;
            font-style: italic;
        }
        
        .category-badge {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 4px 8px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: bold;
            display: inline-block;
            min-width: 40px;
            text-align: center;
        }
        
        .category-badge.empty {
            background: linear-gradient(135deg, #6c757d, #5a6268);
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 15px;
                margin: 10px;
            }
            
            h1 {
                font-size: 1.8rem;
            }
            
            .filter-buttons {
                justify-content: center;
            }
            
            table {
                font-size: 14px;
            }
            
            th, td {
                padding: 8px 5px;
            }
        }