/**
 * AUTO CENTER PRO MAX — INNER PAGES STYLESHEET (assets/css/pages.css)
 *
 * Covers:
 * 1. Page Breadcrumbs & Telemetry Headers
 * 2. Single Product Page (single-product.php) — Gallery, Buy Box, VIN Fitment Checker, Specs Tabs
 * 3. Product Categories Hub (page-categories.php / taxonomy-product_cat.php)
 * 4. Shop / Products Archive (archive-product.php) — Sidebar Filters, Grid/List View, Pagination
 * 5. About Us Page (page-about.php)
 * 6. User Account / Garage Panel (page-my-account.php)
 * 7. Cart & Checkout Pages (page-cart.php / page-checkout.php)
 *
 * Typography: 'Ravi' (راوی)
 * Default Theme: Crisp Light Mode (:root) | Optional Dark Mode ([data-theme="dark"])
 */

/* ==========================================
   1. SHARED INNER PAGE WRAPPER & BREADCRUMBS
   ========================================== */
.ac-inner-main {
  position: relative;
  z-index: 2;
  padding-top: 108px;
  padding-bottom: 90px;
  min-height: 80vh;
}

body.admin-bar .ac-inner-main {
  padding-top: 136px;
}

.ac-breadcrumb-bar {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  box-shadow: var(--shadow-xs);
}

.ac-breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}

.ac-breadcrumbs a {
  color: var(--color-text-secondary);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.ac-breadcrumbs a:hover {
  color: var(--color-primary-dark);
}

.ac-breadcrumbs .sep {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.ac-breadcrumbs .current {
  color: var(--color-text);
  font-weight: 700;
}

.ac-telemetry-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-subtle);
  border: 1px solid var(--color-border-cyan);
  color: var(--color-primary-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.4px;
}

/* Shared Page Hero Banner */
.ac-page-hero {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-surface-subtle) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.ac-page-hero::before {
  content: '';
  position: absolute;
  top: -80px;
  left: -80px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(0, 151, 178, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.ac-page-hero-content {
  max-width: 720px;
  position: relative;
  z-index: 1;
}

.ac-page-hero-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 10px;
}

.ac-page-hero-desc {
  font-size: 0.98rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.ac-page-hero-stats {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.ac-hero-stat-box {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  text-align: center;
  min-width: 120px;
  box-shadow: var(--shadow-xs);
}

.ac-hero-stat-num {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  font-variant-numeric: tabular-nums;
}

.ac-hero-stat-lbl {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  font-weight: 600;
}

/* ==========================================
   2. SINGLE PRODUCT PAGE (single-product.php)
   ========================================== */
.ac-single-grid {
  display: grid;
  grid-template-columns: 46% 1fr;
  gap: 32px;
  align-items: start;
  margin-bottom: 44px;
}

/* Gallery Column */
.ac-gallery-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 104px;
}

.ac-gallery-stage {
  position: relative;
  background: linear-gradient(145deg, var(--bg-surface-recessed) 0%, var(--bg-surface-subtle) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  height: 390px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  margin-bottom: 16px;
  overflow: hidden;
}

.ac-gallery-stage img {
  max-height: 310px;
  width: auto;
  object-fit: contain;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  filter: drop-shadow(0 14px 28px rgba(15, 23, 42, 0.12));
}

.ac-gallery-stage:hover img {
  transform: scale(1.06);
}

.ac-stage-top-badges {
  position: absolute;
  top: 16px;
  right: 16px;
  left: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
}

.ac-stage-discount {
  background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.28);
}

.ac-stage-actions {
  display: flex;
  gap: 8px;
}

.ac-stage-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-fast);
}

.ac-stage-icon-btn:hover,
.ac-stage-icon-btn.active {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.ac-stage-icon-btn svg {
  width: 18px;
  height: 18px;
}

.ac-stage-bottom-tag {
  position: absolute;
  bottom: 14px;
  left: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--color-border-cyan);
  color: var(--color-primary-dark);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.5px;
}

/* Gallery Thumbnails */
.ac-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.ac-thumb-item {
  background: var(--bg-surface-recessed);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.ac-thumb-item img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.ac-thumb-item span {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-align: center;
}

.ac-thumb-item.active,
.ac-thumb-item:hover {
  border-color: var(--color-primary);
  background: var(--bg-surface-subtle);
  box-shadow: 0 4px 12px rgba(0, 151, 178, 0.12);
}

.ac-thumb-item.active span {
  color: var(--color-primary-dark);
  font-weight: 700;
}

/* Authenticity Serial Box under Gallery */
.ac-authenticity-strip {
  background: var(--bg-surface-subtle);
  border: 1px dashed var(--color-border-cyan);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ac-auth-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ac-auth-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--color-border-cyan);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ac-auth-icon svg {
  width: 20px;
  height: 20px;
}

.ac-auth-text strong {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text);
}

.ac-auth-text span {
  font-size: 0.76rem;
  color: var(--color-text-secondary);
}

.ac-auth-code {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-primary-dark);
}

/* Buy Box Column */
.ac-buybox-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.ac-product-badges-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.ac-badge-pill {
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ac-badge-pill.cyan {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--color-border-cyan);
  color: var(--color-primary-dark);
}

.ac-badge-pill.oem {
  background: var(--bg-surface-recessed);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
  font-family: var(--font-en);
}

.ac-badge-pill.stock {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #059669;
}

.ac-single-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 14px;
}

.ac-single-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  padding-bottom: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}

.ac-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ac-meta-item strong {
  color: var(--color-text);
}

.ac-meta-stars {
  color: #F59E0B;
  font-size: 1rem;
  letter-spacing: 1px;
}

/* Quick Key Specs Grid inside Buybox */
.ac-quick-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}

.ac-qspec-box {
  background: var(--bg-surface-recessed);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ac-qspec-lbl {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.ac-qspec-val {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
}

/* VIN Fitment Checker Widget */
.ac-vin-checker-box {
  background: linear-gradient(135deg, var(--bg-surface-subtle) 0%, var(--bg-surface) 100%);
  border: 1.5px solid var(--color-border-cyan);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  margin-bottom: 24px;
}

.ac-vin-checker-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.ac-vin-head-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-text);
}

.ac-vin-head-title svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary-dark);
}

.ac-fitment-Guarantee {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(16, 185, 129, 0.14);
  color: #047857;
}

.ac-vin-compat-text {
  font-size: 0.86rem;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.ac-vin-input-row {
  display: flex;
  gap: 10px;
}

.ac-vin-input-row input {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-family: var(--font-en);
  font-size: 0.88rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text);
}

.ac-vin-input-row input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 151, 178, 0.12);
}

.ac-vin-result-msg {
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.83rem;
  font-weight: 700;
  display: none;
}

.ac-vin-result-msg.valid {
  display: block;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #047857;
}

.ac-vin-result-msg.warn {
  display: block;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #B45309;
}

/* Grade Selector */
.ac-grade-selector {
  margin-bottom: 24px;
}

.ac-grade-label {
  display: block;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.ac-grade-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.ac-grade-card {
  background: var(--bg-surface-recessed);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ac-grade-card.active {
  background: var(--bg-surface-subtle);
  border-color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(0, 151, 178, 0.12);
}

.ac-grade-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 800;
  font-size: 0.88rem;
  color: var(--color-text);
}

.ac-grade-card-sub {
  font-size: 0.76rem;
  color: var(--color-text-secondary);
}

/* Price & Purchase Action Bar */
.ac-purchase-box {
  background: var(--bg-surface-recessed);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 22px;
}

.ac-price-row-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 18px;
}

.ac-price-stack {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ac-old-price-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ac-old-price-val {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.ac-save-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: #DC2626;
  background: rgba(239, 68, 68, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.ac-current-price-val {
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--color-primary-dark);
  font-variant-numeric: tabular-nums;
}

.ac-current-price-val small {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.ac-actions-buy-row {
  display: flex;
  align-items: stretch;
  gap: 12px;
}

.ac-qty-selector {
  display: inline-flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 4px;
}

.ac-qty-btn {
  width: 38px;
  height: 40px;
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.ac-qty-btn:hover {
  background: var(--bg-surface-subtle);
  color: var(--color-primary-dark);
}

.ac-qty-input {
  width: 44px;
  text-align: center;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-text);
}

.ac-btn-add-main {
  flex: 1;
  font-size: 1.02rem;
  padding: 14px 24px;
}

/* 4 Micro Trust Features under Buybox */
.ac-buybox-guarantees {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.ac-guarantee-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.ac-guarantee-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary-dark);
  flex-shrink: 0;
}

/* Single Product Tabs Section */
.ac-tabs-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 48px;
}

.ac-tabs-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 24px 0;
  background: var(--bg-surface-recessed);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
}

.ac-tab-btn {
  padding: 14px 22px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  border-bottom: 3px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ac-tab-btn:hover {
  color: var(--color-text);
}

.ac-tab-btn.active {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary);
  background: var(--bg-surface);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.ac-tab-panel {
  display: none;
  padding: 32px;
}

.ac-tab-panel.active {
  display: block;
}

/* Technical Specs Table */
.ac-tech-specs-table {
  width: 100%;
  border-collapse: collapse;
}

.ac-tech-specs-table tr {
  border-bottom: 1px solid var(--color-border);
}

.ac-tech-specs-table tr:last-child {
  border-bottom: none;
}

.ac-tech-specs-table th,
.ac-tech-specs-table td {
  padding: 14px 18px;
  text-align: right;
  font-size: 0.92rem;
}

.ac-tech-specs-table th {
  width: 260px;
  background: var(--bg-surface-recessed);
  color: var(--color-text-secondary);
  font-weight: 700;
  border-left: 1px solid var(--color-border);
}

.ac-tech-specs-table td {
  color: var(--color-text);
  font-weight: 600;
}

/* Fitment Compatibility Matrix Table */
.ac-fitment-matrix {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.ac-fitment-matrix thead th {
  background: var(--bg-surface-recessed);
  color: var(--color-text);
  font-weight: 800;
  font-size: 0.88rem;
  padding: 14px 16px;
  text-align: right;
  border-bottom: 1px solid var(--color-border);
}

.ac-fitment-matrix tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.ac-fitment-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
  font-size: 0.78rem;
  font-weight: 700;
}

/* ==========================================
   3. SHOP / ARCHIVE PAGE (archive-product.php)
   ========================================== */
.ac-shop-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 28px;
  align-items: start;
}

.ac-shop-sidebar {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 104px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.ac-filter-widget {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 20px;
}

.ac-filter-widget:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.ac-widget-title {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ac-widget-search-box {
  position: relative;
}

.ac-widget-search-box input {
  width: 100%;
  background: var(--bg-surface-recessed);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.88rem;
  color: var(--color-text);
}

.ac-widget-search-box input:focus {
  border-color: var(--color-primary);
  background: var(--bg-surface);
}

.ac-cat-filter-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ac-cat-filter-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-align: right;
}

.ac-cat-filter-btn:hover {
  background: var(--bg-surface-recessed);
  color: var(--color-text);
}

.ac-cat-filter-btn.active {
  background: var(--bg-surface-subtle);
  border-color: var(--color-border-cyan);
  color: var(--color-primary-dark);
  font-weight: 800;
}

.ac-cat-count-pill {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-recessed);
  color: var(--color-text-muted);
}

.ac-cat-filter-btn.active .ac-cat-count-pill {
  background: var(--color-primary);
  color: #FFFFFF;
}

/* Shop Main Toolbar */
.ac-shop-toolbar {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 22px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  box-shadow: var(--shadow-xs);
}

.ac-toolbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ac-results-count {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text);
}

.ac-toolbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ac-view-toggle {
  display: inline-flex;
  background: var(--bg-surface-recessed);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 3px;
}

.ac-view-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.ac-view-btn.active {
  background: var(--bg-surface);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-xs);
}

.ac-view-btn svg {
  width: 17px;
  height: 17px;
}

/* Shop Products Grid (3 columns on desktop, or 1-column list view) */
.ac-shop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.ac-shop-grid.list-view {
  grid-template-columns: 1fr;
}

.ac-shop-grid.list-view .product-card {
  display: grid;
  grid-template-columns: 220px 1fr 220px;
  align-items: center;
  gap: 24px;
  padding: 20px;
}

.ac-shop-grid.list-view .product-card-top-bar {
  position: absolute;
  top: 14px;
  right: 14px;
  width: auto;
  gap: 8px;
}

.ac-shop-grid.list-view .product-img-box {
  height: 165px;
  margin-bottom: 0;
}

.ac-shop-grid.list-view .product-card-bottom {
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  border-top: none;
  border-right: 1px solid var(--color-border);
  padding-top: 0;
  padding-right: 20px;
}

/* ==========================================
   4. PRODUCT CATEGORIES HUB (page-categories.php)
   ========================================== */
.ac-categories-bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 44px;
}

.ac-cat-hub-card {
  background: var(--bg-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 24px;
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.ac-cat-hub-card:hover,
.ac-cat-hub-card.active {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.ac-cat-hub-card.active {
  background: linear-gradient(145deg, var(--bg-surface) 0%, var(--bg-surface-subtle) 100%);
}

.ac-cat-hub-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ac-cat-hub-img {
  width: 74px;
  height: 74px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface-recessed);
  border: 1px solid var(--color-border);
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ac-cat-hub-img img {
  max-height: 54px;
  width: auto;
  object-fit: contain;
}

.ac-cat-hub-badge {
  font-size: 0.74rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-subtle);
  border: 1px solid var(--color-border-cyan);
  color: var(--color-primary-dark);
}

.ac-cat-hub-en {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.8px;
}

.ac-cat-hub-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-text);
  margin: 4px 0 6px;
}

.ac-cat-hub-desc {
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.ac-cat-hub-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* ==========================================
   5. RESPONSIVE BREAKPOINTS FOR INNER PAGES
   ========================================== */
@media (max-width: 1100px) {
  .ac-single-grid {
    grid-template-columns: 1fr;
  }
  .ac-gallery-card {
    position: static;
  }
  .ac-shop-layout {
    grid-template-columns: 1fr;
  }
  .ac-shop-sidebar {
    position: static;
  }
  .ac-categories-bento {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .ac-page-hero {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
  }
  .ac-page-hero-stats {
    width: 100%;
    justify-content: space-between;
  }
  .ac-shop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ac-shop-grid.list-view .product-card {
    grid-template-columns: 1fr;
  }
  .ac-quick-specs-grid,
  .ac-grade-options,
  .ac-buybox-guarantees {
    grid-template-columns: 1fr;
  }
  .ac-gallery-thumbs {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .ac-shop-grid,
  .ac-categories-bento {
    grid-template-columns: 1fr;
  }
  .ac-actions-buy-row {
    flex-direction: column;
  }
}