:root {
            --primary-color: #4e73df;
            --secondary-color: #f8f9fc;
            --accent-color: #2e59d9;
            --text-color: #5a5c69;
        }
        
        body {
            background-color: #f8f9fc;
            color: var(--text-color);
            font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        
        .cart-container {
            background: white;
            border-radius: 15px;
            box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
            padding: 2rem;
            margin-top: 2rem;
            margin-bottom: 3rem;
        }
        
        .cart-header {
            color: var(--primary-color);
            border-bottom: 1px solid #e3e6f0;
            padding-bottom: 1rem;
            margin-bottom: 2rem;
        }
        
        .product-img {
            width: 70px;
            height: 70px;
            object-fit: cover;
            border-radius: 8px;
            margin-right: 15px;
        }
        
        .product-name {
            font-weight: 600;
            color: var(--text-color);
        }
        
        .quantity-input {
            width: 70px;
            text-align: center;
            border-radius: 5px;
            border: 1px solid #d1d3e2;
            padding: 0.375rem 0.5rem;
        }
        
        .btn-update {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 5px;
            padding: 0.375rem 0.75rem;
            transition: all 0.3s;
        }
        
        .btn-update:hover {
            background-color: var(--accent-color);
            transform: translateY(-1px);
        }
        
        .btn-remove {
            background-color: #e74a3b;
            color: white;
            border: none;
            border-radius: 5px;
            padding: 0.375rem 0.75rem;
            transition: all 0.3s;
        }
        
        .btn-remove:hover {
            background-color: #be2617;
            transform: translateY(-1px);
        }
        
        .empty-cart {
            text-align: center;
            padding: 3rem;
        }
        
        .empty-cart i {
            font-size: 5rem;
            color: #dddfeb;
            margin-bottom: 1rem;
        }
        
        .total-row {
            font-weight: bold;
            background-color: var(--secondary-color);
        }
        
        .checkout-btn {
            background-color: var(--primary-color);
            color: white;
            padding: 0.75rem 1.5rem;
            font-weight: 600;
            border: none;
            border-radius: 10px;
            transition: all 0.3s;
            float: right;
            margin-top: 1.5rem;
        }
        
        .checkout-btn:hover {
            background-color: var(--accent-color);
            transform: translateY(-2px);
            box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
        }
        
        .continue-shopping {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .continue-shopping:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        
        @media (max-width: 768px) {
            .product-img {
                width: 50px;
                height: 50px;
            }
            
            .mobile-hide {
                display: none;
            }
        }