/**
 * AI Store Theme - Layout Architecture
 * Modern Frosted Header, Creative Navbar, Responsive Product Grid & App Portal
 * Fully Mobile-Optimized for All Devices (320px to 1920px+)
 */

/* ── Main Document Structure ── */
body {
  background-color: var(--ai-bg);
  color: var(--ai-text);
  font-family: var(--ai-font-secondary);
  transition: background-color var(--ai-transition-smooth), color var(--ai-transition-smooth);
  overflow-x: hidden;
}

.ai-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 768px) {
  .ai-container {
    padding: 0 1rem;
  }
}

/* ── Section Spacing ── */
.ai-section-wrapper {
  width: 100%;
}

.ai-section-spacing {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@media (max-width: 768px) {
  .ai-section-spacing {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
}

/* ── Header & Navbar Shell (100% Ultra-Sticky Glass Header Locked to 70px Height) ── */
.site-header {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  height: 70px !important;
  min-height: 70px !important;
  max-height: 70px !important;
  overflow: hidden !important;
  z-index: 99999 !important;
  background-color: var(--ai-glass-bg) !important;
  backdrop-filter: blur(24px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
  border-bottom: 1px solid var(--ai-border-subtle) !important;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.08) !important;
  transition: background-color var(--ai-transition-normal), border-color var(--ai-transition-normal), transform 0.25s ease !important;
}

.site-header .ai-container {
  height: 100% !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  display: flex !important;
  align-items: center !important;
}

body.admin-bar .site-header {
  top: 32px !important;
}

@media (max-width: 782px) {
  .site-header {
    height: 62px !important;
    min-height: 62px !important;
    max-height: 62px !important;
  }
  body.admin-bar .site-header {
    top: 46px !important;
  }
}

/* Offset page content so content is never hidden under the fixed sticky header */
.site-main {
  padding-top: 70px !important;
}

body.admin-bar .site-main {
  padding-top: 102px !important;
}

@media (max-width: 782px) {
  .site-main {
    padding-top: 62px !important;
  }
  body.admin-bar .site-main {
    padding-top: 108px !important;
  }
}

/* ── Breadcrumb Navigation Engine ── */
.ai-breadcrumbs,
nav.ai-breadcrumbs {
  margin-bottom: 1.25rem;
  display: block;
}

.ai-breadcrumbs ol,
.ai-breadcrumbs .breadcrumb-list,
.woocommerce-breadcrumb {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: wrap !important;
  align-items: center !important;
  gap: 0.5rem !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  font-size: 0.85rem !important;
  color: var(--ai-text-muted) !important;
}

.ai-breadcrumbs li,
.ai-breadcrumbs .breadcrumb-item {
  display: inline-flex !important;
  align-items: center !important;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
}

.ai-breadcrumbs a {
  color: var(--ai-text-secondary) !important;
  text-decoration: none !important;
  font-weight: 500 !important;
  transition: color var(--ai-transition-fast) !important;
}

.ai-breadcrumbs a:hover {
  color: var(--ai-accent) !important;
}

.ai-breadcrumbs .breadcrumb-separator {
  color: var(--ai-text-muted) !important;
  opacity: 0.6;
  font-size: 0.8rem !important;
}

.ai-breadcrumbs .active {
  color: var(--ai-heading) !important;
  font-weight: 600 !important;
}

.header-container {
  display: grid !important;
  grid-template-columns: 1fr auto 1fr !important;
  align-items: center !important;
  height: 70px !important;
  max-height: 70px !important;
  width: 100% !important;
  gap: 1.5rem !important;
  overflow: hidden !important;
}

/* ── Brand Logo (Left Column) ── */
.site-branding {
  justify-self: start !important;
  flex-shrink: 0 !important;
}

.site-branding .site-title-link {
  font-family: var(--ai-font-primary);
  font-weight: var(--ai-weight-bold);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--ai-heading);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.site-branding .site-title-link:hover {
  color: var(--ai-accent);
}

/* ── Primary Desktop Navigation (Center Column - Mathematically Centered) ── */
.desktop-nav {
  justify-self: center !important;
  display: flex !important;
  align-items: center !important;
}

.desktop-nav .nav-list {
  display: flex !important;
  align-items: center !important;
  gap: 1.75rem !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  flex-wrap: nowrap !important;
  white-space: nowrap !important;
}

.desktop-nav .nav-link {
  font-family: var(--ai-font-primary) !important;
  font-weight: 600 !important;
  font-size: 0.95rem !important;
  color: var(--ai-text-secondary) !important;
  text-decoration: none !important;
  padding: 0.5rem 0 !important;
  position: relative !important;
  display: inline-block !important;
  transition: color var(--ai-transition-fast) !important;
}

.desktop-nav .nav-link:hover,
.desktop-nav .current-menu-item > a {
  color: var(--ai-heading) !important;
  font-weight: 600 !important;
}

.desktop-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0%;
  height: 2.5px;
  background: var(--ai-accent);
  border-radius: var(--ai-radius-pill);
  box-shadow: 0 0 10px var(--ai-accent-glow);
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.desktop-nav .nav-link:hover::after,
.desktop-nav .current-menu-item > a::after {
  width: 100%;
}

.desktop-nav .nav-link-tools {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.35rem !important;
}

.desktop-nav .nav-ai-pill-badge {
  font-size: 0.65rem !important;
  font-weight: 800 !important;
  color: #10B981 !important;
  background: rgba(16, 185, 129, 0.15) !important;
  border: 1px solid rgba(16, 185, 129, 0.3) !important;
  padding: 2px 7px !important;
  border-radius: 12px !important;
  letter-spacing: 0.04em !important;
  line-height: 1 !important;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.2) !important;
  transition: all 0.25s ease !important;
}

.desktop-nav .nav-link-tools:hover .nav-ai-pill-badge,
.desktop-nav .current-menu-item > a.nav-link-tools .nav-ai-pill-badge {
  background: rgba(16, 185, 129, 0.25) !important;
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.4) !important;
}

/* ── Header Action Controls (Right Column) ── */
.header-actions {
  justify-self: end !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  flex-shrink: 0 !important;
  flex-wrap: nowrap !important;
  white-space: nowrap !important;
}

@media (max-width: 1150px) {
  .desktop-nav .nav-list {
    gap: 0.85rem !important;
  }

  .header-actions {
    gap: 0.35rem !important;
  }

  .site-header .spotlight-trigger span,
  .site-header .spotlight-trigger kbd,
  .header-actions .spotlight-trigger span,
  .header-actions .spotlight-trigger kbd {
    display: none !important;
  }

  .site-header .spotlight-trigger,
  .header-actions .spotlight-trigger {
    width: 38px !important;
    height: 38px !important;
    padding: 0 !important;
    min-width: 38px !important;
    border-radius: 50% !important;
    justify-content: center !important;
  }
}

.theme-toggle-btn {
  background: var(--ai-surface-elevated);
  border: 1px solid var(--ai-border-medium);
  color: var(--ai-text);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--ai-transition-fast);
  flex-shrink: 0;
}

.theme-toggle-btn:hover {
  background: var(--ai-surface-strong);
  border-color: var(--ai-accent);
  color: var(--ai-accent);
  transform: scale(1.05);
}

.cart-trigger-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--ai-surface-elevated);
  border: 1px solid var(--ai-border-medium);
  border-radius: var(--ai-radius-pill);
  color: var(--ai-text);
  text-decoration: none;
  font-family: var(--ai-font-primary);
  font-weight: var(--ai-weight-semibold);
  font-size: 0.875rem;
  transition: all var(--ai-transition-fast);
}

.cart-trigger-link:hover {
  border-color: var(--ai-accent);
  box-shadow: 0 0 12px var(--ai-accent-soft);
  color: var(--ai-accent);
}

.cart-trigger-count {
  background-color: var(--ai-accent);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: var(--ai-weight-bold);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* 📱 MOBILE HEADER LAYOUT ENGINE */
@media (max-width: 1024px) {
  .desktop-nav {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .header-container {
    height: 62px;
    gap: 0.5rem;
  }

  .site-branding .site-title-link {
    font-size: 1.05rem;
    white-space: nowrap;
  }

  .header-actions {
    gap: 0.35rem;
  }

  /* Compact Search Trigger Icon on Header on Mobile */
  .site-header .spotlight-trigger,
  .header-actions .spotlight-trigger {
    width: 36px !important;
    height: 36px !important;
    padding: 0 !important;
    min-width: 36px !important;
    border-radius: 50% !important;
    justify-content: center !important;
  }

  .site-header .spotlight-trigger span,
  .site-header .spotlight-trigger kbd,
  .header-actions .spotlight-trigger span,
  .header-actions .spotlight-trigger kbd {
    display: none !important;
  }

  .desktop-only-text {
    display: none !important;
  }

  .header-actions a.ai-btn-sm {
    width: 36px !important;
    height: 36px !important;
    padding: 0 !important;
    border-radius: 50% !important;
    justify-content: center !important;
  }

  .theme-toggle-btn {
    width: 36px !important;
    height: 36px !important;
  }

  .cart-trigger-btn {
    width: 36px !important;
    height: 36px !important;
    padding: 0 !important;
  }

  .mobile-menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 36px !important;
    height: 36px !important;
    padding: 0 !important;
    border-radius: 50% !important;
  }
}

@media (max-width: 580px) {
  .header-actions .header-support-btn {
    display: none !important;
  }
}

/* ── PRODUCT GRID — Responsive columns ── */
.ai-product-grid,
.ai-grid-products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.ai-shop-catalog-main .ai-product-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1200px) {
  .ai-product-grid,
  .ai-grid-products,
  .ai-shop-catalog-main .ai-product-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

@media (max-width: 900px) {
  .ai-product-grid,
  .ai-grid-products,
  .ai-shop-catalog-main .ai-product-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1rem !important;
  }
}

@media (max-width: 480px) {
  .ai-product-grid,
  .ai-grid-products,
  .ai-shop-catalog-main .ai-product-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.75rem !important;
  }
}

/* ── CATEGORY GRID ── */
.ai-grid-categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1100px) {
  .ai-grid-categories {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .ai-grid-categories {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* ── Category Card Component ── */
.ai-category-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem 1.5rem;
  background: var(--ai-surface-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--ai-border-subtle);
  border-radius: var(--ai-radius-card);
  color: var(--ai-text);
  text-decoration: none;
  transition: all var(--ai-transition-normal);
}

.ai-category-card:hover {
  border-color: var(--ai-accent-soft);
  box-shadow: var(--ai-shadow-md), 0 0 20px var(--ai-accent-soft);
  transform: translateY(-3px);
  color: var(--ai-text);
}

.ai-category-card.category-featured {
  background: linear-gradient(135deg, rgba(59,130,246,0.12) 0%, rgba(24,28,38,0.85) 100%);
  border-color: rgba(59, 130, 246, 0.3);
}

[data-theme="light"] .ai-category-card.category-featured {
  background: linear-gradient(135deg, rgba(37,99,235,0.08) 0%, rgba(255,255,255,0.92) 100%);
  border-color: rgba(37, 99, 235, 0.3);
}

.ai-category-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--ai-radius-md);
  background: var(--ai-surface-strong);
  color: var(--ai-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  transition: background var(--ai-transition-fast), color var(--ai-transition-fast);
}

.ai-category-card:hover .ai-category-card-icon {
  background: var(--ai-accent);
  color: #FFFFFF;
}

/* Glass modifier */
.ai-glass {
  background: var(--ai-surface-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--ai-border-subtle);
}

/* ── Creative Site Footer ── */
.site-footer {
  background: linear-gradient(180deg, var(--ai-surface) 0%, var(--ai-bg) 100%);
  border-top: 1px solid var(--ai-border-subtle);
  padding: 4.5rem 0 2rem 0;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 2rem;
  }
}

/* 📱 MOBILE FOOTER: STRICT 2 COLUMNS ON ALL MOBILE DEVICES */
@media (max-width: 768px) {
  .site-footer {
    padding: 3rem 0 1.5rem 0;
    margin-top: 3rem;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1.75rem 1.25rem !important;
    margin-bottom: 2rem !important;
  }

  .footer-brand-col {
    grid-column: span 2 !important;
  }

  .footer-author-col {
    grid-column: span 2 !important;
  }

  .footer-bottom-bar {
    flex-direction: column !important;
    text-align: center !important;
    gap: 0.75rem !important;
    justify-content: center !important;
  }
}