/* css/shop.css - Dedicated Shop Catalog Styles */
.shop-page-header {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2rem;
}

.shop-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  max-width: 380px;
}

.search-input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  background: #fff;
}
.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
}

.category-pills {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.5rem 0;
}

.cat-pill {
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}
.cat-pill:hover, .cat-pill.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* Product Cards Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.product-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.product-thumb-wrap {
  position: relative;
  aspect-ratio: 1/1;
  overflow: hidden;
  background: var(--color-surface-soft) url('../images/placeholder.svg') center/cover no-repeat;
}

.product-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.product-card:hover .product-thumb {
  transform: scale(1.05);
}

.product-badge-float {
  position: absolute;
  top: 12px;
  left: 12px;
}

.product-wishlist-float {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}
.product-wishlist-float:hover {
  transform: scale(1.15);
}

.product-info {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-collection {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 4px;
}

.product-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

/* Variant Selector Chips */
.variant-chips-wrap {
  margin: 0.75rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.variant-chip {
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-soft);
  cursor: pointer;
  font-weight: 600;
}
.variant-chip.selected {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.product-price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: auto;
  padding-top: 0.75rem;
}

.selling-price {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary);
}

.mrp-price {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.discount-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-success);
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px;
  margin-top: 1rem;
}

/* Product Header Meta & Summary */
.product-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 4px;
}

.product-category-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface-soft);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.product-tagline {
  font-size: 0.82rem;
  font-style: italic;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem;
  line-height: 1.35;
}

.product-meta-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--color-border);
}

.product-rating {
  font-size: 0.8rem;
  font-weight: 600;
  color: #b45309;
}

.product-rating .rating-count {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.starting-price-pill {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.starting-price-pill strong {
  color: var(--color-primary);
  font-size: 0.95rem;
}

/* Product Editions / Variant Grouping */
.product-editions-section {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

.product-editions-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.editions-header-title {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
}

.editions-count {
  color: var(--color-primary);
}

.btn-toggle-editions {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  padding: 2px 4px;
  text-decoration: underline;
  transition: var(--transition);
}
.btn-toggle-editions:hover {
  color: var(--color-primary-hover);
}

.product-editions-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.variant-edition-card {
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.variant-edition-card:hover {
  border-color: var(--color-border-dark);
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(44, 24, 16, 0.05);
}

.variant-edition-card.is-out-of-stock {
  opacity: 0.8;
  background: rgba(239, 68, 68, 0.03);
  border-color: rgba(239, 68, 68, 0.25);
}

.variant-edition-top {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.variant-edition-thumb-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  background: #fff;
}

.variant-edition-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.variant-edition-headings {
  flex: 1;
  min-width: 0;
}

.variant-edition-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  flex-wrap: wrap;
}

.variant-edition-name {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-text);
}

.variant-badges-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.variant-badge-pill {
  background: #ffedd5;
  color: #c2410c;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  text-transform: uppercase;
}

.badge-outstock {
  background: #fee2e2;
  color: #991b1b;
}

.badge-preorder {
  background: #ede9fe;
  color: #6b21a8;
}

.variant-edition-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: 1px;
  line-height: 1.3;
}

.variant-edition-notes {
  background: rgba(200, 90, 56, 0.05);
  border-left: 2px solid var(--color-primary);
  border-radius: 0 4px 4px 0;
  padding: 4px 8px;
  font-size: 0.72rem;
  color: var(--color-text);
  line-height: 1.35;
  display: flex;
  align-items: flex-start;
  gap: 5px;
}

.variant-edition-notes .notes-icon {
  font-size: 0.7rem;
  flex-shrink: 0;
}

.variant-edition-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 2px;
  padding-top: 5px;
  border-top: 1px dashed rgba(237, 228, 220, 0.8);
}

.variant-price-block {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.variant-selling-price {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-primary);
}

.variant-mrp-price {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.variant-discount-badge {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--color-success);
  background: var(--color-success-bg);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
}

.variant-actions-block {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* 3-Level Grouping: Product >> Variant Group (Series) >> Variant */
.shop-series-filter-bar {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 4px 2px 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
  margin: 0.5rem 0 0.75rem;
}

.shop-series-filter-btn {
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}

.shop-series-filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.shop-series-filter-btn.active {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
  box-shadow: 0 1px 4px rgba(200, 90, 56, 0.15);
}

.shop-series-section {
  margin-bottom: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.85);
  transition: var(--transition);
}

.shop-series-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px dashed var(--color-border);
  flex-wrap: wrap;
  gap: 6px;
}

.shop-series-title {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 6px;
}

.shop-series-count-badge {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 1px 7px;
  border-radius: var(--radius-full);
}

.shop-series-price-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.btn-explore-full-gallery {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1px solid rgba(200, 90, 56, 0.25);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
  margin-top: 0.75rem;
}
.btn-explore-full-gallery:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* 3-Tier Drill-Down Navigation (Product >> Variant Group >> Variant) */
.shop-breadcrumb-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.shop-breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.shop-crumb-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.shop-crumb-link:hover {
  text-decoration: underline;
}

.shop-crumb-sep {
  color: var(--color-border-dark);
  font-size: 0.8rem;
}

.shop-crumb-current {
  color: var(--color-text);
  font-weight: 700;
}

.btn-back-crumb {
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.btn-back-crumb:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Tier Header Banners */
.shop-tier-header-banner {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.tier-banner-info {
  flex: 1;
  min-width: 260px;
}

.tier-banner-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tier-banner-sub {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin: 0;
}

.tier-banner-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Tier 2: Variant Group (Series) Grid & Cards */
.variant-group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.75rem;
  margin-bottom: 3.5rem;
}

.variant-group-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.variant-group-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.variant-group-card-thumb-wrap {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-surface-soft) url('../images/placeholder.svg') center/cover no-repeat;
  border-bottom: 1px solid var(--color-border);
}

.variant-group-card-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.variant-group-card:hover .variant-group-card-thumb {
  transform: scale(1.06);
}

.variant-group-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.variant-group-card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.variant-group-card-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.variant-group-card-pill {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.variant-group-card-desc {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin-bottom: 1rem;
  flex: 1;
}

.variant-group-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
  gap: 8px;
}

.variant-group-card-price {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.variant-group-card-price strong {
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 800;
}

/* Tier 3: Variants Grid (Legacy & Grid support) */
.tier3-variants-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

/* Tier 3: 2-Column Product Detail Layout (Left Image, Right Details + Variants List) */
.tier3-showcase-layout {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 3.5rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 960px) {
  .tier3-showcase-layout {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    padding: 1.25rem;
  }
}

.tier3-gallery-col {
  position: sticky;
  top: 90px;
}

.tier3-main-photo-wrap {
  position: relative;
  aspect-ratio: 1/1;
  background: var(--color-surface-soft) url('../images/placeholder.svg') center/cover no-repeat;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* Tier 3: Photo Caption Overlay (Title & Description directly on Hero Photo) */
.tier3-photo-caption-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.68) 60%, transparent 100%);
  padding: 1.75rem 1rem 0.85rem;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 3px;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 2;
}

.tier3-caption-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.2px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  gap: 5px;
}

.tier3-caption-desc {
  font-size: 0.77rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.35;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
  max-height: 2.8em;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.tier3-main-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.tier3-thumbnails-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  overflow-x: auto;
  padding: 4px 2px;
}

.tier3-thumb-btn {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-border);
  background: #fff;
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition);
}
.tier3-thumb-btn:hover {
  border-color: var(--color-primary);
}
.tier3-thumb-btn.active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(200, 90, 56, 0.25);
}
.tier3-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tier3-trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 1.25rem;
  background: var(--color-surface-soft);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.tier3-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  color: var(--color-text);
  line-height: 1.3;
}
.tier3-trust-item .trust-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
}

.tier3-info-col {
  display: flex;
  flex-direction: column;
}

.tier3-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.tier3-collection-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-primary);
  font-weight: 700;
}
.tier3-series-pill {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-text-muted);
  background: var(--color-surface-soft);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.tier3-product-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  color: var(--color-text);
  margin: 0 0 0.4rem;
  line-height: 1.25;
}

.tier3-rating-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: #b45309;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.tier3-tagline {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-text-muted);
  margin: 0 0 1rem;
  line-height: 1.4;
}

.tier3-pricing-card {
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.tier3-price-left {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.tier3-selling-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
}
.tier3-mrp-price {
  font-size: 1rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}
.tier3-discount-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-success);
  background: var(--color-success-bg);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}

.tier3-variants-section-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--color-text-muted);
  margin: 1rem 0 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tier3-variant-list-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 1.5rem;
}

.tier3-variant-row-card {
  background: #fff;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  gap: 12px;
  align-items: center;
  position: relative;
}
.tier3-variant-row-card:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-soft);
}
.tier3-variant-row-card.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: 0 2px 8px rgba(200, 90, 56, 0.12);
}
.tier3-variant-row-card.is-out-of-stock {
  opacity: 0.7;
}

.tier3-radio-dot-wrap {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--color-border-dark);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}
.tier3-variant-row-card.selected .tier3-radio-dot-wrap {
  border-color: var(--color-primary);
}
.tier3-radio-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  display: none;
}
.tier3-variant-row-card.selected .tier3-radio-dot {
  display: block;
}

.tier3-variant-row-thumb {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--color-border);
  background: var(--color-surface-soft);
  flex-shrink: 0;
}

.tier3-variant-row-details {
  flex: 1;
  min-width: 0;
}
.tier3-variant-row-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
}
.tier3-variant-row-sub {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}
.tier3-variant-row-notes {
  font-size: 0.74rem;
  color: var(--color-text);
  background: rgba(200, 90, 56, 0.06);
  border-left: 2px solid var(--color-primary);
  padding: 2px 6px;
  border-radius: 0 4px 4px 0;
  margin-top: 4px;
}

.tier3-variant-row-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.tier3-variant-row-price-col {
  text-align: right;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.tier3-variant-row-price {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}
.tier3-variant-row-mrp {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
  display: block;
  margin-top: 2px;
}

/* Tier 3: Variant Actions Stack (Top Icons: Share & WhatsApp, Bottom: Little Big Add to Cart Button) */
.tier3-variant-btn-stack {
  display: flex;
  flex-direction: column;
  width: 104px;
  gap: 6px;
  flex-shrink: 0;
}

.tier3-variant-icons-row {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.tier3-share-icon-btn,
.tier3-wa-icon-btn {
  flex: 1;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  transition: var(--transition);
}

.tier3-share-icon-btn {
  color: var(--color-text-muted);
}
.tier3-share-icon-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.tier3-wa-icon-btn {
  color: #25d366;
}
.tier3-wa-icon-btn:hover {
  border-color: #25d366;
  background: #f0fdf4;
  color: #128c7e;
  transform: translateY(-1px);
}

.tier3-icon-svg {
  display: block;
  pointer-events: none;
}

.tier3-btn-add-variant {
  width: 100%;
  height: 32px;
  padding: 0 10px;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  white-space: nowrap;
}
.tier3-btn-add-variant:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.tier3-bottom-actions-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.tier3-qty-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  background: #fff;
  overflow: hidden;
}
.tier3-qty-btn {
  width: 34px;
  height: 36px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
}
.tier3-qty-btn:hover {
  background: var(--color-surface-soft);
}
.tier3-qty-input {
  width: 40px;
  height: 36px;
  border: none;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
}

/* Tier 3: Dedicated Variant Details & Craft Notes Box */
.tier3-variant-details-box {
  margin: 0.35rem 0 0.65rem 0;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
  animation: tier3FadeIn 0.2s ease-out;
}

@keyframes tier3FadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.tier3-extra-details-section {
  animation: tier3FadeIn 0.2s ease-out;
}

.tier3-spec-subitem {
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: var(--transition);
}
.tier3-spec-subitem:hover {
  border-color: var(--color-primary);
}

/* Tier 3: Tabs Bar (Description, Specification, Instruction) */
.tier3-tabs-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0.75rem 0 0.85rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
  flex-wrap: wrap;
}

.tier3-tab-btn {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}

.tier3-tab-btn:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
}

.tier3-tab-btn.active {
  background: var(--color-primary-light, #ffedd5);
  color: var(--color-primary, #c2410c);
  border-color: var(--color-primary, #c2410c);
  font-weight: 700;
}

.tier3-tab-panel {
  animation: tier3FadeIn 0.15s ease-out;
}

.tier3-desc-body {
  font-size: 0.86rem;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 0.6rem;
}

.tier3-desc-lead {
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}

.tier3-desc-story {
  color: var(--color-text-muted);
  font-size: 0.83rem;
  line-height: 1.45;
}

/* Tier 3: Instructions List */
.tier3-instructions-wrap {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
}

.tier3-instruction-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.tier3-instruction-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.tier3-inst-icon {
  font-size: 1.1rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.tier3-inst-text strong {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text);
  margin-bottom: 2px;
}

.tier3-inst-text p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

.tier3-close-details-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
  transition: var(--transition);
}
.tier3-close-details-btn:hover {
  background: var(--color-border);
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.08);
}

.tier3-notes-bullet-list {
  margin: 0.35rem 0 0 1.15rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--color-text);
  font-size: 0.83rem;
  line-height: 1.45;
}
.tier3-notes-bullet-list li {
  list-style-type: disc;
}
.tier3-note-line {
  font-size: 0.84rem;
  line-height: 1.45;
}

.tier3-details-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 8px;
}

.tier3-details-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tier3-details-subtitle {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.6rem;
  line-height: 1.4;
}

.tier3-details-notes {
  font-size: 0.84rem;
  color: var(--color-text);
  line-height: 1.5;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  margin-bottom: 0.85rem;
}

.tier3-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

.tier3-spec-item {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}
.tier3-spec-item strong {
  display: block;
  color: var(--color-text);
  font-size: 0.8rem;
}

/* Tier 3: 1-Click Variant Sharing & Customization */
.tier3-share-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tier3-share-btn {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}
.tier3-share-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.tier3-photo-count-pill {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1px solid rgba(200, 90, 56, 0.2);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  margin-left: 4px;
}

.tier3-customization-box {
  margin-top: 1rem;
  background: rgba(242, 166, 90, 0.12);
  border: 1px dashed var(--color-accent);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.tier3-customization-text {
  font-size: 0.82rem;
  color: var(--color-text);
  line-height: 1.4;
  flex: 1;
  min-width: 200px;
}
.tier3-customization-btn {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}
.tier3-customization-btn:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

/* Lightbox Modal */
.tier3-lightbox-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.88);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.tier3-lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.tier3-lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.tier3-lightbox-caption {
  margin-top: 10px;
  text-align: center;
  color: #fff;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  max-width: 800px;
}
.tier3-lightbox-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 3px 0;
  color: #fff;
}
.tier3-lightbox-desc {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}
.tier3-lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  padding: 4px;
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .variant-edition-title-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .variant-edition-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .variant-actions-block {
    width: 100%;
    justify-content: flex-end;
  }
}