/* Mobile Responsive Optimizations */

/* 1. Navigation Bar Mobile Optimization */
@media (max-width: 768px) {
    .header {
        position: sticky;
        top: 0;
        z-index: 1000;
    }
    
    .navbar {
        flex-wrap: wrap;
        padding: 10px 15px;
    }
    
    .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 24px;
        color: #333;
        cursor: pointer;
        padding: 8px;
        order: 3;
    }
    
    .nav-links {
        display: none;
        width: 100%;
        order: 4;
        flex-direction: column;
        background: white;
        border-top: 1px solid #eee;
        padding: 15px 0;
        margin-top: 10px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-link {
        padding: 15px 20px;
        font-size: 16px;
        text-align: center;
        border-bottom: 1px solid #f0f0f0;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .nav-actions {
        order: 2;
        gap: 10px;
    }
    
    .nav-actions a, .nav-actions button {
        min-height: 44px;
        min-width: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 8px;
    }
}

/* 2. Cart Section Mobile Optimization */
@media (max-width: 768px) {
    .cart-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cart-item {
        display: flex;
        flex-direction: column;
        gap: 15px;
        padding: 20px;
        border: 1px solid #eee;
        border-radius: 8px;
        margin-bottom: 15px;
    }
    
    .cart-item-image {
        width: 100px;
        height: 100px;
        align-self: center;
    }
    
    .cart-item-details {
        text-align: center;
    }
    
    .cart-item-actions {
        display: flex;
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .quantity-controls {
        display: flex;
        align-items: center;
        gap: 15px;
    }
    
    .quantity-controls button {
        min-height: 44px;
        min-width: 44px;
        font-size: 18px;
        border: 2px solid #ddd;
        background: white;
        border-radius: 6px;
    }
    
    .remove-item-btn {
        min-height: 44px;
        padding: 12px 24px;
        font-size: 16px;
        background: #dc3545;
        color: white;
        border: none;
        border-radius: 6px;
    }
    
    .cart-summary {
        position: static;
        margin-top: 20px;
    }
    
    .summary-card {
        padding: 20px;
        border-radius: 8px;
    }
    
    .checkout-btn {
        width: 100%;
        min-height: 48px;
        font-size: 18px;
        padding: 15px;
        border-radius: 8px;
    }
}

/* 3. Checkout Section Mobile Optimization */
@media (max-width: 768px) {
    .checkout-main {
        padding: 20px 0;
    }
    
    .address-content, .checkout-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        min-height: 48px;
        font-size: 16px;
        padding: 15px;
        border: 2px solid #ddd;
        border-radius: 8px;
        box-sizing: border-box;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .form-section {
        margin-bottom: 30px;
        padding: 20px;
        background: white;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    
    .payment-method {
        padding: 20px;
        margin-bottom: 15px;
        border: 2px solid #ddd;
        border-radius: 8px;
        min-height: 60px;
    }
    
    .place-order-btn,
    .pay-now-btn {
        position: sticky;
        bottom: 20px;
        width: calc(100% - 40px);
        margin: 20px;
        min-height: 56px;
        font-size: 18px;
        font-weight: 600;
        background: #28a745;
        color: white;
        border: none;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        z-index: 100;
    }
}

/* 4. General Mobile Optimizations */
@media (max-width: 768px) {
    /* Font Size Adjustments */
    body {
        font-size: 16px;
        line-height: 1.5;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
    
    /* Container and Spacing */
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 30px 0;
    }
    
    /* Images and Media */
    img {
        max-width: 100%;
        height: auto;
    }
    
    .product-image {
        width: 100%;
        height: 250px;
        object-fit: cover;
    }
    
    /* Product Grid */
    .products-grid,
    .featured-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: 15px;
    }
    
    .product-card {
        border-radius: 8px;
    }
    
    .product-info {
        padding: 15px;
    }
    
    /* Buttons */
    .btn, button, .add-to-cart-btn {
        min-height: 44px;
        padding: 12px 20px;
        font-size: 16px;
        border-radius: 6px;
        cursor: pointer;
    }
    
    /* Modal Optimization */
    .modal-content {
        width: 95%;
        max-height: 90vh;
        margin: 5vh auto;
        border-radius: 8px;
    }
    
    .product-detail {
        flex-direction: column;
    }
    
    .product-images {
        margin-bottom: 20px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 25px;
    }
    
    /* Smooth Transitions */
    .nav-links,
    .modal-content,
    .cart-item,
    .form-section {
        transition: all 0.3s ease;
    }
}

/* Extra Small Screens */
@media (max-width: 480px) {
    .navbar {
        padding: 8px 12px;
    }
    
    .products-grid,
    .featured-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 10px;
    }
    
    .container {
        padding: 0 12px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .place-order-btn,
    .pay-now-btn {
        width: calc(100% - 24px);
        margin: 12px;
    }
}

/* Hide mobile menu toggle on desktop */
@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none;
    }
    
    .nav-links {
        display: flex !important;
    }
}