/* Mobile Optimizations for Product Detail Page */
@media (max-width: 767px) {
    .product-detail-container {
        padding: 1rem;
        gap: 1rem;
    }
    
    .product-title {
        font-size: 1.5rem;
    }
    
    .product-price {
        font-size: 1.25rem;
    }
    
    .product-thumbnail {
        width: 60px;
        height: 60px;
    }
    
    .quantity-selector {
        flex-wrap: wrap;
    }
    
    .quantity-label {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .key-ingredients-title {
        font-size: 1rem;
    }
    
    .key-ingredients-list li {
        font-size: 0.85rem;
    }
    
    .add-to-cart-btn, .shop-pay-btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    
    .installment-option {
        font-size: 0.8rem;
    }
    
    .product-description p {
        font-size: 0.9rem;
    }
    
    /* Adjust related products for mobile */
    .related-products .product-grid {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .related-products-title {
        font-size: 1.25rem;
    }
}

/* Tablet Optimizations */
@media (min-width: 768px) and (max-width: 1023px) {
    .product-detail-container {
        padding: 1.5rem;
    }
    
    .related-products .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Touch Device Optimizations */
@media (hover: none) {
    .quantity-btn {
        min-width: 44px;
        min-height: 44px;
    }
    
    .add-to-cart-btn, .shop-pay-btn, .more-payment-options {
        min-height: 44px;
    }
    
    .product-thumbnail {
        min-width: 44px;
        min-height: 44px;
    }
}

/* Cart Modal Mobile Optimizations */
@media (max-width: 480px) {
    .cart-modal {
        max-width: 100%;
    }
    
    .cart-item {
        flex-direction: column;
    }
    
    .cart-item-image {
        width: 100%;
        height: auto;
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .cart-item-quantity {
        justify-content: center;
        margin-top: 0.5rem;
    }
    
    .cart-item-remove {
        text-align: center;
        margin-top: 1rem;
    }
    
    .checkout-btn, .shop-pay-checkout-btn, .continue-shopping-btn {
        min-height: 44px;
    }
}

/* High-resolution screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .product-main-image, .product-thumbnail {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .cart-modal {
        background-color: #1d1d1f;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
    }
    
    .cart-modal-header, .cart-modal-footer {
        border-color: #333;
    }
    
    .cart-close-btn, .cart-modal-header h2 {
        color: #f5f5f7;
    }
    
    .cart-item {
        border-color: #333;
    }
    
    .cart-item-title, .cart-item-price {
        color: #f5f5f7;
    }
    
    .cart-subtotal, .cart-shipping {
        color: #f5f5f7;
    }
    
    .continue-shopping-btn {
        border-color: #444;
        color: #f5f5f7;
    }
    
    .empty-cart-message {
        color: #999;
    }
}