/* 
css/styles.css 
*/

/* ========================================
   RESET & BASE
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #1e3c72;
    --primary-dark: #152a52;
    --primary-light: #2a5298;
    --secondary-color: #00b894;
    --accent-color: #0984e3;
    --success-color: #00b894;
    --warning-color: #fdcb6e;
    --danger-color: #d63031;
    --dark-color: #2d3436;
    --light-color: #f8f9fa;
    
    /* Grays */
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--light-color);
}

/* ========================================
   HEADER
======================================== */
#mainHeader {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.search-bar {
    flex: 1;
    max-width: 600px;
    position: relative;
}

.search-bar i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
    font-size: 1.1rem;
}

.search-bar input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-base);
}

.search-bar input:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-menu {
    position: relative;
}

.account-btn,
.cart-btn {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-base);
    position: relative;
}

.account-btn:hover,
.cart-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--danger-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-full);
    min-width: 20px;
    text-align: center;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.25rem;
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition-fast);
}

.user-dropdown a:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.user-dropdown a:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    color: var(--danger-color);
}

.user-dropdown a:hover {
    background: var(--gray-100);
}

/* ========================================
   NAVIGATION
======================================== */
#mainNav {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 70px;
    z-index: 90;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.categories {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.categories::-webkit-scrollbar {
    display: none;
}

.category-btn {
    background: var(--gray-100);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.category-btn:hover {
    background: var(--gray-200);
}

.category-btn.active {
    background: var(--primary-color);
    color: white;
}

/* ========================================
   MAIN CONTAINER
======================================== */
#mainContainer {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    min-height: calc(100vh - 400px);
}

.page {
    display: none;
}

.page.active {
    display: block;
}

/* ========================================
   FILTERS
======================================== */
.filters-section {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.filters-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-700);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.filter-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.filter-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
    cursor: pointer;
    background: white;
}

.filter-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
}

/* ========================================
   PRODUCTS GRID
======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.product-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    height: 220px;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--gray-400);
    position: relative;
    overflow: hidden;
}

.product-image i {
    transition: var(--transition-base);
}

.product-card:hover .product-image i {
    transform: scale(1.1);
}

.product-info {
    padding: var(--spacing-lg);
}

.product-code {
    display: inline-block;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    min-height: 2.8rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-brand {
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

.product-category {
    color: var(--gray-500);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-md);
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.product-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--success-color);
}

.product-stock {
    font-size: 0.85rem;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.stock-high {
    background: #d4edda;
    color: #155724;
}

.stock-medium {
    background: #fff3cd;
    color: #856404;
}

.stock-low {
    background: #f8d7da;
    color: #721c24;
}

.add-to-cart-btn {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.875rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: var(--transition-base);
}

.add-to-cart-btn:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.add-to-cart-btn:disabled {
    background: var(--gray-400);
    cursor: not-allowed;
}

/* ========================================
   CART SIDEBAR
======================================== */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 450px;
    height: 100%;
    background: white;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2);
    z-index: 999;
    display: flex;
    flex-direction: column;
    transition: var(--transition-base);
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h3 {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.close-cart {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-600);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.close-cart:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.cart-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-200);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.cart-item-image {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cart-item-image i {
    font-size: 2rem;
    color: var(--gray-400);
}

.cart-item-details {
    flex: 1;
}

.cart-item-title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.cart-item-code {
    color: var(--gray-500);
    font-size: 0.8rem;
}

.cart-item-price {
    color: var(--accent-color);
    font-weight: 600;
    margin-top: 0.25rem;
}

.cart-item-total {
    font-weight: 700;
    color: var(--success-color);
    font-size: 1.1rem;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.qty-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.qty-btn.minus {
    background: var(--danger-color);
    color: white;
}

.qty-btn.plus {
    background: var(--success-color);
    color: white;
}

.qty-btn:hover {
    transform: scale(1.1);
}

.qty-display {
    width: 40px;
    text-align: center;
    font-weight: 600;
    font-size: 1rem;
}

.remove-btn {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    margin-left: auto;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.remove-btn:hover {
    background: rgba(214, 48, 49, 0.1);
}

.cart-footer {
    padding: var(--spacing-lg);
    border-top: 2px solid var(--gray-200);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cart-total span:last-child {
    color: var(--success-color);
}

/* ========================================
   BUTTONS
======================================== */
.btn {
    padding: 0.875rem 1.75rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: var(--transition-base);
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

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

.btn-success:hover {
    background: #00966d;
    transform: translateY(-2px);
}

.btn-link {
    background: none;
    color: var(--gray-600);
    padding: var(--spacing-sm);
}

.btn-link:hover {
    color: var(--gray-800);
}

.btn-block {
    width: 100%;
}

/* ========================================
   AUTH PAGE
======================================== */
.auth-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl);
    max-width: 450px;
    width: 100%;
    box-shadow: var(--shadow-xl);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-header i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.auth-header h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.auth-header p {
    color: var(--gray-600);
}

.auth-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-md);
    border: none;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.auth-tab.active {
    background: var(--primary-color);
    color: white;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
}

.password-input {
    position: relative;
}

.password-input button {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--spacing-sm);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

/* ========================================
   CHECKOUT PAGES
======================================== */
.checkout-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.checkout-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl);
    box-shadow: var(--shadow-lg);
}

.checkout-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--gray-200);
}

.checkout-header i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.checkout-header h2 {
    font-size: 2rem;
}

.order-summary {
    background: var(--gray-100);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
}

.order-summary h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    font-size: 0.95rem;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
    border-top: 2px solid var(--gray-300);
    font-size: 1.3rem;
    font-weight: 700;
}

.summary-total span:last-child {
    color: var(--success-color);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.form-actions .btn {
    flex: 1;
}

.payment-methods h3 {
    margin-bottom: var(--spacing-lg);
    font-size: 1.2rem;
}

.payment-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.payment-option {
    padding: var(--spacing-lg);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: var(--transition-base);
}

.payment-option:hover {
    border-color: var(--primary-color);
    background: rgba(30, 60, 114, 0.05);
}

.payment-option.active {
    border-color: var(--primary-color);
    background: rgba(30, 60, 114, 0.1);
}

.payment-option i {
    font-size: 2rem;
    color: var(--primary-color);
}

.payment-option h4 {
    margin-bottom: 0.25rem;
}

.payment-option p {
    color: var(--gray-600);
    font-size: 0.85rem;
}

/* ========================================
   CONFIRMATION PAGE
======================================== */
.confirmation-container {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.confirmation-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.confirmation-icon {
    width: 100px;
    height: 100px;
    background: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-xl);
}

.confirmation-icon i {
    font-size: 3.5rem;
    color: white;
}

.confirmation-card h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-800);
}

.confirmation-card > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xxl);
    font-size: 1.1rem;
}

.confirmation-details {
    background: var(--gray-100);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.order-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-300);
}

.order-info-item p:first-child {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.order-info-item p:last-child {
    font-weight: 600;
    font-size: 1.1rem;
}

.confirmation-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ========================================
   ORDERS PAGE
======================================== */
.orders-container {
    max-width: 1000px;
    margin: 0 auto;
}

.orders-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--gray-200);
}

.orders-header i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.orders-header h2 {
    font-size: 2rem;
}

.order-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    transition: var(--transition-base);
}

.order-card:hover {
    box-shadow: var(--shadow-lg);
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.order-id {
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.order-date {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.order-status {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
}

.status-confirmed {
    background: #d4edda;
    color: #155724;
}

.order-items {
    margin-bottom: var(--spacing-md);
}

.order-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    font-size: 0.95rem;
}

.order-total {
    display: flex;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
    font-weight: 700;
    font-size: 1.2rem;
}

.order-total span:last-child {
    color: var(--success-color);
}

/* ========================================
   FOOTER
======================================== */
#mainFooter {
    background: var(--gray-900);
    color: white;
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-col p {
    color: var(--gray-400);
    line-height: 1.8;
}

.footer-col h4 {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-800);
    text-align: center;
    color: var(--gray-500);
}

/* ========================================
   WHATSAPP FLOAT
======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.5);
    z-index: 90;
    transition: var(--transition-base);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.7);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--gray-800);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   LOADING SPINNER
======================================== */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner.active {
    display: flex;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }
    
    .search-bar {
        order: 3;
        width: 100%;
        max-width: 100%;
        margin-top: var(--spacing-md);
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .cart-sidebar {
        max-width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .payment-options {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
}