/* ==========================================================================
   Product Picker - Brand Sauce
   ========================================================================== */

/* CSS Variables */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f1f3f4;
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --border-hover: #d1d5db;
    --accent-primary: #2563eb;
    --accent-secondary: #3b82f6;
    --accent-light: #eff6ff;
    --success: #10b981;
    --error: #ef4444;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.2s ease;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    width: 100%;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo img {
    height: 32px;
    width: auto;
}

.search-box {
    flex: 1;
    max-width: 600px;
    position: relative;
    display: flex;
    align-items: center;
    margin: 0 auto;
}

.search-box i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    background: var(--bg-secondary);
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box kbd {
    position: absolute;
    right: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: inherit;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart-btn {
    position: relative;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.cart-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
}

.cart-btn i {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--accent-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0);
    transition: var(--transition);
}

.cart-badge.visible {
    opacity: 1;
    transform: scale(1);
}

/* ==========================================================================
   Main Layout
   ========================================================================== */

.main {
    width: 100%;
    display: flex;
    min-height: calc(100vh - 80px);
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
    width: 280px;
    flex-shrink: 0;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem;
    position: fixed;
    left: 0;
    top: 73px;
    height: calc(100vh - 73px);
    overflow-y: auto;
    z-index: 50;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.sidebar-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.sidebar-close {
    display: none;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
}

.sidebar-close:hover {
    background: var(--bg-secondary);
}

/* Category Nav */
.category-nav {
    margin-bottom: 2rem;
}

.category-item {
    margin-bottom: 0.25rem;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.category-header:hover {
    background: var(--bg-secondary);
}

.category-item.active > .category-header {
    background: var(--accent-light);
    color: var(--accent-primary);
}

.category-header i:first-child {
    width: 20px;
    text-align: center;
    color: var(--text-muted);
}

.category-item.active > .category-header i:first-child {
    color: var(--accent-primary);
}

.category-header span:first-of-type {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 500;
}

.category-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.125rem 0.5rem;
    border-radius: 100px;
}

.toggle-icon {
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: transform 0.2s ease;
}

.category-item.expanded .toggle-icon {
    transform: rotate(180deg);
}

.subcategory-list {
    display: none;
    padding-left: 2.5rem;
    margin-top: 0.25rem;
}

.category-item.expanded .subcategory-list {
    display: block;
}

.subcategory-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.subcategory-item:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.subcategory-item.active {
    background: var(--accent-light);
    color: var(--accent-primary);
}

.subcategory-count {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* Brand expandable category */
.category-toggle {
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: transform 0.2s ease;
    margin-left: 0.25rem;
}

.category-item.expanded .category-toggle {
    transform: rotate(180deg);
}

.category-children {
    display: none;
    padding-left: 2.5rem;
    margin-top: 0.25rem;
}

.category-item.expanded .category-children {
    display: block;
}

.category-sub-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.category-sub-item:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.category-sub-item.active {
    background: var(--accent-light);
    color: var(--accent-primary);
}

.category-sub-item.no-products {
    opacity: 0.5;
    cursor: default;
}

/* Sidebar Sections */
.sidebar-section {
    margin-bottom: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.sidebar-section h3 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.filter-option input {
    accent-color: var(--accent-primary);
}

.price-range {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price-range input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    width: 100%;
}

.price-range input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.price-range span {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.clear-filters {
    width: 100%;
    padding: 0.75rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.clear-filters:hover {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
}

/* ==========================================================================
   Products Area
   ========================================================================== */

.products-area {
    flex: 1;
    padding: 1.5rem 2rem;
    min-width: 0;
    margin-left: 280px;
}

.mobile-filter-btn {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    cursor: pointer;
    margin-bottom: 1rem;
}

.mobile-filter-btn:hover {
    background: var(--bg-secondary);
}

.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: var(--accent-light);
    color: var(--accent-primary);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-tag:hover {
    background: var(--accent-primary);
    color: white;
}

.filter-tag i {
    font-size: 0.65rem;
}

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.results-count {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-options label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.sort-options select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    background: var(--bg-primary);
    cursor: pointer;
}

.sort-options select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* ==========================================================================
   Products Grid
   ========================================================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

.product-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    background: var(--bg-primary);
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.add-to-cart-btn {
    position: absolute;
    bottom: 0.75rem;
    right: 0.75rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.8);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.product-card:hover .add-to-cart-btn {
    opacity: 1;
    transform: scale(1);
}

.add-to-cart-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.add-to-cart-btn.in-cart {
    opacity: 1;
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.product-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--text-primary);
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

.product-info {
    padding: 1rem;
    background: var(--bg-secondary);
}

.product-brand {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.product-name {
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
}

.product-price {
    font-weight: 600;
    color: var(--accent-primary);
}

.product-sku {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Loading & Empty States */
.loading-state,
.empty-state,
.error-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-secondary);
}

.loading-state i,
.empty-state i,
.error-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.page-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.page-btn:hover:not(:disabled) {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
}

.page-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-ellipsis {
    padding: 0 0.5rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Modal
   ========================================================================== */

.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.open {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 1100px;
    max-height: 95vh;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transform: scale(0.95) translateY(20px);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-xl);
}

.modal.open .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-tertiary);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-image {
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-image img {
    max-width: 100%;
    object-fit: contain;
}

.modal-details {
    padding: 2rem;
    overflow-y: auto;
}

.modal-brand {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.5rem;
}

.modal-sku {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.modal-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
}

.modal-section {
    margin-bottom: 1.5rem;
}

.modal-section h4 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.modal-section p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.decoration-badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Color Swatches */
.color-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.25rem;
}

.color-swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background-size: cover;
    background-position: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    flex-shrink: 0;
}

.color-swatch:hover {
    transform: scale(1.1);
    border-color: var(--accent-primary);
}

.color-swatch::before {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.35rem 0.6rem;
    background: var(--text-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    margin-bottom: 6px;
    z-index: 10;
}

.color-swatch::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--text-primary);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    margin-bottom: -4px;
    z-index: 10;
}

.color-swatch:hover::before,
.color-swatch:hover::after {
    opacity: 1;
}

.color-swatch.selected {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary);
}

.swatch-check {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    color: white;
    font-size: 0.7rem;
    opacity: 0;
    transition: var(--transition);
}

.color-swatch.selected .swatch-check {
    opacity: 1;
}

.selection-count {
    font-weight: 400;
    font-size: 0.7rem;
    color: var(--accent-primary);
}

.color-text {
    margin-top: 0.5rem;
}

/* Size Options */
.size-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.size-chip {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
}

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

.btn-primary:hover {
    background: var(--accent-secondary);
}

.btn-primary.in-cart {
    background: var(--success);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-secondary);
}

.btn-full {
    width: 100%;
}

/* ==========================================================================
   Cart Drawer
   ========================================================================== */

.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 150;
}

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

.cart-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 400px;
    max-width: 100%;
    height: 100vh;
    background: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 160;
    display: flex;
    flex-direction: column;
}

.cart-drawer.open {
    transform: translateX(0);
}

.cart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.cart-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cart-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.cart-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.cart-empty {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-muted);
    gap: 0.5rem;
}

.cart-empty i {
    font-size: 3rem;
    opacity: 0.3;
}

.cart-empty p {
    font-size: 1rem;
    color: var(--text-secondary);
}

.cart-empty span {
    font-size: 0.85rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
}

.cart-item-image {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg-tertiary);
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    flex: 1;
    min-width: 0;
}

.cart-item-brand {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cart-item-name {
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.25rem;
}

.cart-item-price {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.cart-item-colors {
    font-size: 0.75rem;
    color: var(--accent-primary);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.cart-item-colors i {
    font-size: 0.65rem;
}

.cart-item-remove {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
    flex-shrink: 0;
}

.cart-item-remove:hover {
    background: var(--bg-tertiary);
    color: var(--error);
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    display: none;
}

.cart-count {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.cart-actions {
    display: flex;
    gap: 0.75rem;
}

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

/* ==========================================================================
   Checkout Modal
   ========================================================================== */

.checkout-modal-content {
    max-width: 500px;
}

.checkout-body {
    padding: 2rem;
}

.checkout-body h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.checkout-subtitle {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.checkout-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.checkout-preview-item {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-tertiary);
}

.checkout-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.checkout-preview-more {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

#checkoutForm.hidden {
    display: none;
}

.checkout-success {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 0;
}

.checkout-success.visible {
    display: flex;
}

.checkout-success i {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 1rem;
}

.checkout-success h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.checkout-success p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */

.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--text-primary);
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-success {
    background: var(--success);
}

.toast-error {
    background: var(--error);
}

/* ==========================================================================
   Brand Logo Grid
   ========================================================================== */

.brand-grid-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}

.brand-grid-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.brand-grid-card-logo {
    width: 100%;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
}

.brand-grid-card-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(20%);
    transition: filter 0.2s ease;
}

.brand-grid-card:hover .brand-grid-card-logo img {
    filter: grayscale(0%);
}

.brand-grid-card-name {
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
    color: var(--text-primary);
}

.brand-grid-card-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.125rem 0.5rem;
    border-radius: 100px;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1024px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        z-index: 170;
        transform: translateX(-100%);
        height: 100vh;
        width: 300px;
        transition: transform 0.3s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-close {
        display: flex;
    }

    .mobile-filter-btn {
        display: flex;
    }

    .products-area {
        padding: 1rem;
        margin-left: 0;
    }

    .modal-body {
        grid-template-columns: 1fr;
    }

    .modal-image {
        max-height: 300px;
    }

    .modal-image img {
        max-height: 100%;
    }
}

@media (max-width: 768px) {
    .header-inner {
        padding: 1rem;
        gap: 1rem;
    }

    .search-box kbd {
        display: none;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .product-info {
        padding: 0.75rem;
    }

    .product-name {
        font-size: 0.85rem;
    }

    .modal-details {
        padding: 1.5rem;
    }

    .modal-title {
        font-size: 1.25rem;
    }

    .modal-actions {
        flex-direction: column;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .cart-drawer {
        width: 100%;
    }

    .toast-container {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }

    .toast {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}