:root {
            --primary-color: #186a8b;
            --primary-light: #4a8ca9;
            --primary-dark: #0d4c66;
            --secondary-color: #3a506b;
            --accent-color: #e67e22;
            --light-color: #f8f9fa;
            --dark-color: #2c3e50;
            --success-color: #27ae60;
            --text-color: #333;
            --light-text: #777;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

        body {
            background-color: #f8f9fa;
            color: var(--text-color);
            line-height: 1.6;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 0;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 40px auto;
            padding: 0 15px;
        }

        h2 {
            color: var(--primary-color);
            text-align: center;
            margin-bottom: 30px;
            position: relative;
            padding-bottom: 15px;
        }

        h2:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: var(--primary-color);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 20px;
            background: white;
            box-shadow: var(--shadow);
            border-radius: 8px;
            overflow: hidden;
        }

        th, td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #eee;
            vertical-align: middle;
        }

        th {
            background-color: var(--primary-color);
            color: white;
            font-weight: 600;
        }

        tr:hover {
            background-color: #f5f5f5;
        }

        .product-image {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 4px;
            border: 1px solid #eee;
        }

        .product-info {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .product-name {
            font-weight: 600;
            color: var(--dark-color);
        }

        input[type="number"] {
            width: 70px;
            padding: 8px;
            border: 1px solid #ddd;
            border-radius: 4px;
            text-align: center;
        }

        .btn {
            display: inline-block;
            padding: 10px 20px;
            background: var(--primary-color);
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
        }

        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .btn-danger {
            background: #e74c3c;
            padding: 6px 12px;
            font-size: 0.9rem;
        }

        .btn-danger:hover {
            background: #c0392b;
        }

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

        .btn-accent:hover {
            background: #d35400;
        }

        .total {
            font-size: 1.5rem;
            font-weight: bold;
            text-align: right;
            margin: 20px 0;
            color: var(--primary-color);
        }

        .cart-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 30px;
        }

        .empty-cart {
            text-align: center;
            padding: 40px;
            background: white;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }

        .empty-cart p {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--light-text);
        }

        .continue-shopping {
            display: inline-block;
            margin-top: 20px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
        }

        .continue-shopping:hover {
            text-decoration: underline;
        }

        @media (max-width: 768px) {
            table {
                display: block;
                overflow-x: auto;
            }
            
            th, td {
                padding: 10px;
            }
            
            .product-info {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            
            .cart-actions {
                flex-direction: column;
                gap: 15px;
            }
            
            .btn {
                width: 100%;
                margin-bottom: 10px;
            }
            
            .product-image {
                width: 60px;
                height: 60px;
            }
        }