/* ==========================================================================
   Correcciones Responsive para Cart y Checkout
   ========================================================================== */

/* Cart Page Responsive Fixes */
@media (max-width: 768px) {
    /* Ocultar tabla tradicional en móvil */
    .cart-table-container {
        display: none;
    }
    
    /* Mostrar versión móvil del carrito */
    .cart-mobile {
        display: block;
    }
    
    .cart-mobile-item {
        background: #fff;
        border: 1px solid #e5e5e5;
        padding: 20px;
        margin-bottom: 20px;
        position: relative;
    }
    
    .cart-mobile-item-header {
        display: flex;
        gap: 15px;
        margin-bottom: 15px;
    }
    
    .cart-mobile-item-image {
        width: 80px;
        height: 100px;
        flex-shrink: 0;
    }
    
    .cart-mobile-item-details h3 {
        font-size: 16px;
        margin-bottom: 5px;
    }
    
    .cart-mobile-item-price {
        font-size: 14px;
        color: #666;
    }
    
    .cart-mobile-item-actions {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 15px;
        border-top: 1px solid #f0f0f0;
    }
    
    .cart-mobile-remove {
        position: absolute;
        top: 10px;
        right: 10px;
        font-size: 24px;
        color: #999;
        background: none;
        border: none;
    }
    
    /* Cart Summary Mobile */
    .cart-summary {
        display: block;
    }
    
    .cart-totals {
        width: 100%;
        margin-top: 30px;
    }
    
    .cart-actions {
        margin-bottom: 20px;
    }
    
    .cart-actions button {
        display: block;
        width: 100%;
        margin-bottom: 10px;
    }
}

/* Checkout Page Responsive Fixes */
@media (max-width: 992px) {
    .checkout-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .order-summary {
        position: static;
        margin-top: 40px;
        border-top: 2px solid #e5e5e5;
        padding-top: 40px;
    }
}

@media (max-width: 768px) {
    .checkout-form h2 {
        font-size: 20px;
        text-align: center;
        margin-bottom: 30px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-group label {
        font-size: 12px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevenir zoom en iOS */
        padding: 14px;
    }
    
    /* Order Table Mobile */
    .order-table {
        font-size: 13px;
    }
    
    .order-table th,
    .order-table td {
        padding: 8px 5px;
    }
    
    .payment-methods h3 {
        font-size: 16px;
    }
    
    .payment-option label {
        font-size: 13px;
    }
    
    .place-order-button {
        font-size: 16px;
        padding: 18px;
    }
}

/* Product Grid Responsive Improvements */
@media (max-width: 576px) {
    .category-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .results-count {
        text-align: center;
        margin-bottom: 10px;
    }
    
    .sort-dropdown {
        width: 100%;
    }
    
    .sort-dropdown select {
        width: 100%;
    }
    
    .view-options {
        justify-content: center;
    }
}

/* Header Mobile Improvements */
@media (max-width: 991px) {
    .header-top .container {
        padding: 8px 15px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .header-info {
        flex: 0 0 auto;
        display: flex;
        align-items: center;
    }
    
    .header-logo {
        flex: 1;
        text-align: center;
        margin: 0 15px;
    }
    
    .header-logo h1 {
        font-size: 16px;
        margin: 0;
        line-height: 1.2;
    }
    
    .header-actions {
        flex: 0 0 auto;
        display: flex;
        align-items: center;
        gap: 15px;
    }
    
    .account-menu a,
    .cart-link {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 5px;
    }
    
    .cart-widget {
        position: relative;
    }
    
    /* Cart count badge for mobile */
    .cart-link::after {
        content: attr(data-count);
        position: absolute;
        top: -5px;
        right: -5px;
        background: #000;
        color: #fff;
        font-size: 10px;
        padding: 2px 5px;
        border-radius: 10px;
        min-width: 16px;
        height: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        line-height: 1;
    }
}

/* Footer Mobile Improvements */
@media (max-width: 576px) {
    .site-footer {
        padding: 40px 0 20px;
        margin-top: 50px;
    }
    
    .footer-column h3 {
        font-size: 16px;
        margin-bottom: 15px;
    }
    
    .footer-column li {
        font-size: 14px;
    }
    
    .payment-methods img {
        max-width: 250px;
    }
}

/* Brands Grid Mobile */
@media (max-width: 480px) {
    .brands-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .brand-item {
        padding: 15px;
    }
    
    .brand-logo {
        height: 60px;
        margin-bottom: 10px;
    }
    
    .brand-name {
        font-size: 12px;
    }
}

/* General Mobile Improvements */
@media (max-width: 768px) {
    /* Buttons */
    .btn {
        padding: 14px 25px;
        font-size: 13px;
    }
    
    /* Section spacing */
    .category-blocks,
    .recent-products,
    .related-products {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 24px;
        margin-bottom: 30px;
    }
    
    /* Product cards */
    .product-item {
        margin-bottom: 20px;
    }
    
    .product-image img {
        height: 350px;
    }
    
    .product-info {
        padding: 15px;
    }
    
    .product-brand {
        font-size: 10px;
    }
    
    .product-title {
        font-size: 13px;
    }
    
    .product-price {
        font-size: 15px;
    }
}

/* Utility classes for mobile */
.mobile-only {
    display: none;
}

@media (max-width: 991px) {
    .mobile-only {
        display: block;
    }
    
    .mobile-only.mobile-menu-toggle {
        display: flex;
    }
    
    .desktop-only {
        display: none;
    }
}

/* Loading state for buttons */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #000;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Form validation styles */
input.error,
select.error,
textarea.error {
    border-color: #dc3545;
    background-color: #fff5f5;
}

.error-message {
    color: #dc3545;
    font-size: 12px;
    margin-top: 5px;
    display: block;
}

/* Improved focus states for accessibility */
input:focus,
select:focus,
textarea:focus,
button:focus {
    outline: 2px solid #000;
    outline-offset: 2px;
}

/* Cart mobile container - Hidden by default on desktop */
.cart-mobile {
    display: none;
}