/* ==========================================================================
   ALALA THEME FACTORY — THEME PREVIEW GALLERY & VIEWER UX
   Consumes P04 semantic design tokens exclusively
   ========================================================================== */

/* --- Gallery Layout & Header --- */
.alala-gallery-section {
  background-color: var(--alala-surface-page);
  color: var(--alala-color-text-primary);
  min-height: 80vh;
}

.alala-gallery-hero {
  background-color: var(--alala-surface-section);
  border-bottom: 1px solid var(--alala-color-border-default);
}

.alala-gallery-filter-card {
  background-color: var(--alala-surface-card);
  border: 1px solid var(--alala-color-border-default);
  border-radius: var(--alala-radius-card);
  box-shadow: var(--alala-shadow-sm);
}

/* --- Theme Cards Grid --- */
.alala-theme-card {
  background-color: var(--alala-surface-card);
  border: 1px solid var(--alala-color-border-default);
  border-radius: var(--alala-radius-card);
  transition: transform var(--alala-motion-duration-fast) var(--alala-motion-easing-standard),
              box-shadow var(--alala-motion-duration-fast) var(--alala-motion-easing-standard),
              border-color var(--alala-motion-duration-fast) var(--alala-motion-easing-standard);
  display: flex;
  flex-direction: column;
}

.alala-theme-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--alala-shadow-md);
  border-color: var(--alala-color-brand-primary);
}

.alala-theme-card .card-header-badge {
  font-size: 0.75rem;
  font-weight: var(--alala-font-weight-semibold);
  letter-spacing: 0.05em;
  padding: 0.25rem 0.6rem;
  border-radius: var(--alala-radius-pill);
}

.alala-theme-card .theme-family-title {
  color: var(--alala-color-text-primary);
  font-family: var(--alala-font-family-display);
}

.alala-theme-card .theme-vertical-badge {
  background-color: var(--alala-surface-section);
  color: var(--alala-color-brand-primary);
  border: 1px solid var(--alala-color-border-default);
  font-size: 0.8rem;
}

.alala-theme-card .theme-tag-pill {
  font-size: 0.72rem;
  background-color: var(--alala-surface-section);
  color: var(--alala-color-text-muted);
  border-radius: var(--alala-radius-pill);
  padding: 0.2rem 0.5rem;
  display: inline-block;
  margin-right: 0.25rem;
  margin-bottom: 0.25rem;
}

.alala-variant-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 4px;
}

.alala-variant-dot.var-a { background-color: var(--alala-color-brand-primary); }
.alala-variant-dot.var-b { background-color: var(--alala-color-action-secondary); }
.alala-variant-dot.var-c { background-color: var(--alala-color-brand-accent); }

/* --- Compare Tray --- */
.alala-compare-tray {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1040;
  background-color: var(--alala-surface-inverse);
  color: var(--alala-color-text-inverse);
  border-radius: var(--alala-radius-pill);
  padding: 0.75rem 1.5rem;
  box-shadow: var(--alala-shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all var(--alala-motion-duration-fast) var(--alala-motion-easing-standard);
}

.alala-compare-tray.d-none {
  display: none !important;
}

/* --- Theme Preview Top Bar --- */
.theme-preview-topbar {
  background-color: var(--alala-surface-card);
  border-bottom: 1px solid var(--alala-color-border-default);
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: var(--alala-shadow-sm);
  padding: 0.75rem 1rem;
}

.theme-preview-stage {
  background-color: #e9ecef;
  min-height: calc(100vh - 65px);
  padding: 1.5rem 0.5rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow-x: auto;
}

/* --- Responsive Viewport Frames --- */
.viewport-frame {
  background-color: var(--alala-surface-page);
  transition: max-width var(--alala-motion-duration-fast) var(--alala-motion-easing-standard),
              width var(--alala-motion-duration-fast) var(--alala-motion-easing-standard);
  margin: 0 auto;
}

.viewport-frame.viewport-desktop {
  width: 100%;
  max-width: 100%;
  border-radius: 0;
  box-shadow: none;
}

.viewport-frame.viewport-tablet {
  width: 768px;
  max-width: 768px;
  box-sizing: content-box;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  border: 8px solid #343a40;
  overflow: hidden;
}

.viewport-frame.viewport-mobile {
  width: 390px;
  max-width: 390px;
  box-sizing: content-box;
  border-radius: 28px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  border: 10px solid #212529;
  overflow: hidden;
}

.theme-preview-device-frame {
  display: none;
  width: 100%;
  min-height: 100vh;
  border: 0;
  background-color: var(--alala-surface-page);
}

.viewport-frame.responsive-preview-active.responsive-preview-ready > .preview-snippet-composition {
  display: none;
}

.viewport-frame.responsive-preview-active.responsive-preview-ready > .theme-preview-device-frame {
  display: block;
}

/* Embedded preview runs in a real iframe viewport so Bootstrap and every
   theme media query respond to 768px / 390px instead of the desktop parent. */
html.theme-preview-embed,
html.theme-preview-embed body {
  min-width: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow-x: hidden !important;
  background-color: var(--alala-surface-page);
}

html.theme-preview-embed .acw-header,
html.theme-preview-embed .acw-footer,
html.theme-preview-embed #o_shared_blocks,
html.theme-preview-embed .theme-preview-topbar,
html.theme-preview-embed .theme-preview-wrapper > .modal {
  display: none !important;
}

html.theme-preview-embed .theme-preview-stage {
  display: block;
  min-height: 0;
  padding: 0;
  overflow: visible;
  background-color: transparent;
}

html.theme-preview-embed .viewport-frame.viewport-embedded {
  width: 100%;
  max-width: none;
  margin: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none !important;
  overflow: visible;
}

/* --- Segmented Controls --- */
.btn-group-segmented .btn {
  font-size: 0.85rem;
  padding: 0.35rem 0.75rem;
  border-color: var(--alala-color-border-default);
}

.btn-group-segmented .btn.active {
  background-color: var(--alala-color-brand-primary) !important;
  color: var(--alala-color-text-inverse) !important;
  border-color: var(--alala-color-brand-primary) !important;
}

/* --- Selection Contract Box --- */
.selection-contract-box {
  background-color: #1e293b;
  color: #38bdf8;
  border-radius: var(--alala-radius-md);
  font-family: monospace;
  font-size: 0.85rem;
  padding: 1rem;
}

/* --- Commercial Theme Thumbnails & Visual Catalog --- */
.alala-theme-thumbnail-box {
  position: relative;
  aspect-ratio: 16 / 10;
  background-color: var(--alala-surface-section, #f8fafc);
  border: 1px solid var(--alala-color-border-default, #e2e8f0);
  border-radius: var(--alala-radius-md, 8px);
  overflow: hidden;
}

.alala-theme-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform var(--alala-motion-duration-fast, 0.25s) var(--alala-motion-easing-standard, ease);
}

.alala-theme-thumbnail-box:hover .alala-theme-thumbnail {
  transform: scale(1.03);
}

.alala-thumbnail-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  opacity: 0;
  transition: opacity var(--alala-motion-duration-fast, 0.2s) ease;
  backdrop-filter: blur(2px);
  pointer-events: none;
}

.alala-theme-thumbnail-box:hover .alala-thumbnail-overlay {
  opacity: 1;
  pointer-events: auto;
}

.alala-preview-link-overlay {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: var(--alala-radius-pill, 9999px);
  transition: transform 0.15s ease;
}

.alala-preview-link-overlay:hover {
  transform: scale(1.05);
}

.alala-card-variant-selector .alala-var-btn {
  font-size: 0.78rem;
  padding: 0.25rem 0.5rem;
  border-color: var(--alala-color-border-default, #e2e8f0);
  transition: all 0.15s ease-in-out;
}

.alala-card-variant-selector .alala-var-btn.active {
  background-color: var(--alala-color-brand-primary, #0284c7) !important;
  color: #fff !important;
  border-color: var(--alala-color-brand-primary, #0284c7) !important;
  font-weight: 600;
}

.alala-active-variant-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--alala-color-brand-primary, #0284c7);
}

.compare-thumbnail-img {
  width: 100%;
  max-width: 220px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  border-radius: var(--alala-radius-md, 6px);
}