/* ============================================================
   URBAN CLAVE — assets/css/listing.css
   Phase 3: Product Listing, Search, Offers, Flash Sale
   Covers: category.php · brand.php · tag.php · search.php
           offers.php · flash-sale.php
   ============================================================ */

/* ─────────────────────────────────────────────────────────
   1. LISTING PAGE LAYOUT
───────────────────────────────────────────────────────── */

.listing-page {
  display: grid;
  grid-template-columns: clamp(240px, 22%, 290px) 1fr;
  grid-template-rows: auto 1fr;
  gap: 0;
  align-items: start;
  padding-block: clamp(1rem, 3vw, 2rem);
}

.listing-page--no-sidebar {
  grid-template-columns: 1fr;
}

/* ─────────────────────────────────────────────────────────
   2. PAGE HERO / HEADER BANNER
───────────────────────────────────────────────────────── */

.listing-hero {
  background: var(--clr-surface-2);
  border-bottom: 1px solid var(--clr-border);
  padding-block: clamp(1.5rem, 4vw, 3rem);
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  margin-bottom: 0;
}

.listing-hero--image {
  position: relative;
  overflow: hidden;
  min-height: clamp(140px, 18vw, 240px);
  display: flex;
  align-items: center;
}

.listing-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.listing-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,.65) 0%, rgba(0,0,0,.2) 100%);
}

.listing-hero__content {
  position: relative;
  z-index: 1;
  color: #fff;
}

.listing-hero__brand-logo {
  width: clamp(48px, 8vw, 80px);
  height: clamp(48px, 8vw, 80px);
  object-fit: contain;
  background: #fff;
  border-radius: var(--radius-md);
  padding: .4rem;
  margin-bottom: .75rem;
}

.listing-hero__title {
  font-size: clamp(1.3rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 .35rem;
}

.listing-hero__meta {
  font-size: clamp(.75rem, 1.5vw, .9rem);
  opacity: .85;
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}

.listing-hero__meta-sep {
  opacity: .5;
}

/* Plain hero (no image) */
.listing-hero--plain .listing-hero__title {
  color: var(--clr-text-primary);
}

.listing-hero--plain .listing-hero__meta {
  color: var(--clr-text-tertiary);
  opacity: 1;
}

/* ─────────────────────────────────────────────────────────
   3. BREADCRUMB
───────────────────────────────────────────────────────── */

.listing-breadcrumb {
  padding: .65rem clamp(1rem, 4vw, 2.5rem);
  background: var(--clr-bg);
  border-bottom: 1px solid var(--clr-border);
  font-size: .8rem;
  color: var(--clr-text-tertiary);
  display: flex;
  align-items: center;
  gap: .35rem;
  flex-wrap: wrap;
}

.listing-breadcrumb a {
  color: var(--clr-text-secondary);
  text-decoration: none;
  transition: color .15s;
}

.listing-breadcrumb a:hover {
  color: var(--clr-accent);
}

.listing-breadcrumb__sep {
  color: var(--clr-border-dark);
  font-size: .7rem;
}

.listing-breadcrumb__current {
  color: var(--clr-text-primary);
  font-weight: 500;
}

/* ─────────────────────────────────────────────────────────
   4. FILTER SIDEBAR
───────────────────────────────────────────────────────── */

.filter-sidebar {
  position: sticky;
  top: calc(var(--header-h, 64px) + 1rem);
  max-height: calc(100vh - var(--header-h, 64px) - 2rem);
  overflow-y: auto;
  overflow-x: hidden;
  border-right: 1px solid var(--clr-border);
  padding: clamp(.75rem, 2vw, 1.25rem);
  background: var(--clr-bg);
  scrollbar-width: thin;
  scrollbar-color: var(--clr-border-dark) transparent;
}

.filter-sidebar::-webkit-scrollbar { width: 4px; }
.filter-sidebar::-webkit-scrollbar-track { background: transparent; }
.filter-sidebar::-webkit-scrollbar-thumb { background: var(--clr-border-dark); border-radius: 2px; }

.filter-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--clr-border);
}

.filter-sidebar__title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--clr-text-primary);
  display: flex;
  align-items: center;
  gap: .4rem;
}

.filter-clear-all {
  font-size: .75rem;
  color: var(--clr-accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: .2rem .4rem;
  border-radius: var(--radius-sm);
  transition: background .15s;
  display: none;
}

.filter-clear-all.is-visible { display: block; }
.filter-clear-all:hover { background: var(--clr-accent-soft); }

/* Filter Group */

.filter-group {
  border-bottom: 1px solid var(--clr-border);
  padding-block: .9rem;
}

.filter-group:last-child { border-bottom: none; }

.filter-group__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-size: .85rem;
  font-weight: 600;
  color: var(--clr-text-primary);
  text-align: left;
}

.filter-group__icon {
  transition: transform .2s;
  font-size: .7rem;
  color: var(--clr-text-tertiary);
}

.filter-group.is-collapsed .filter-group__icon { transform: rotate(-90deg); }

.filter-group__body {
  margin-top: .75rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  overflow: hidden;
  transition: max-height .25s ease, opacity .2s;
  max-height: 1000px;
  opacity: 1;
}

.filter-group.is-collapsed .filter-group__body {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
}

/* Checkbox Filter */

.filter-check {
  display: flex;
  align-items: center;
  gap: .5rem;
  cursor: pointer;
  font-size: .82rem;
  color: var(--clr-text-secondary);
  transition: color .15s;
  user-select: none;
}

.filter-check:hover { color: var(--clr-text-primary); }

.filter-check input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--clr-accent);
  cursor: pointer;
  flex-shrink: 0;
}

.filter-check__count {
  margin-left: auto;
  font-size: .72rem;
  color: var(--clr-text-tertiary);
  background: var(--clr-surface-2);
  border-radius: 20px;
  padding: .05rem .4rem;
}

/* Show more/less */

.filter-show-more {
  font-size: .75rem;
  color: var(--clr-accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: .2rem 0;
  margin-top: .25rem;
  display: flex;
  align-items: center;
  gap: .25rem;
}

.filter-show-more:hover { text-decoration: underline; }

/* Price Range Slider */

.price-range-wrap {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.price-range-inputs {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.price-range-inputs .price-input {
  flex: 1;
  min-width: 0;
  font-size: .8rem;
  padding: .35rem .5rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: var(--clr-surface-2);
  color: var(--clr-text-primary);
  text-align: center;
}

.price-range-sep {
  font-size: .75rem;
  color: var(--clr-text-tertiary);
}

.price-range-slider {
  position: relative;
  height: 28px;
  display: flex;
  align-items: center;
}

.price-range-track {
  position: absolute;
  width: 100%;
  height: 4px;
  background: var(--clr-border-dark);
  border-radius: 2px;
}

.price-range-fill {
  position: absolute;
  height: 4px;
  background: var(--clr-accent);
  border-radius: 2px;
}

.price-range-slider input[type="range"] {
  position: absolute;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  pointer-events: none;
  height: 4px;
}

.price-range-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--clr-accent);
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
  cursor: pointer;
  pointer-events: all;
  transition: transform .1s;
}

.price-range-slider input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
.price-range-slider input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--clr-accent);
  border: 2px solid #fff;
  cursor: pointer;
  pointer-events: all;
}

/* Rating Filter */

.rating-filter {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.rating-filter__btn {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: none;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: .35rem .6rem;
  cursor: pointer;
  font-size: .8rem;
  color: var(--clr-text-secondary);
  transition: all .15s;
  text-align: left;
}

.rating-filter__btn:hover,
.rating-filter__btn.is-active {
  border-color: var(--clr-accent);
  background: var(--clr-accent-soft);
  color: var(--clr-accent);
}

.rating-filter__stars { color: #f5a623; font-size: .9rem; }
.rating-filter__label { font-size: .75rem; }

/* Color Swatches */

.color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.color-swatch {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--clr-border);
  cursor: pointer;
  transition: transform .15s, border-color .15s;
  position: relative;
  flex-shrink: 0;
}

.color-swatch:hover { transform: scale(1.15); }

.color-swatch.is-active {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 2px var(--clr-accent);
}

.color-swatch[title="Stellar White"],
.color-swatch[style*="F5F5F5"] {
  border-color: var(--clr-border-dark);
}

/* Stock Toggle */

.stock-toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .82rem;
  color: var(--clr-text-secondary);
}

.toggle-switch {
  position: relative;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-switch__track {
  position: absolute;
  inset: 0;
  background: var(--clr-border-dark);
  border-radius: 10px;
  cursor: pointer;
  transition: background .2s;
}

.toggle-switch input:checked + .toggle-switch__track { background: var(--clr-accent); }

.toggle-switch__track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform .2s;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}

.toggle-switch input:checked + .toggle-switch__track::after { transform: translateX(16px); }

/* Active Filters (tags) */

.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--clr-border);
  margin-bottom: .75rem;
  display: none;
}

.active-filters.is-visible { display: flex; }

.active-filter-tag {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: var(--clr-accent-soft);
  color: var(--clr-accent);
  border: 1px solid var(--clr-accent);
  border-radius: 20px;
  padding: .2rem .6rem;
  font-size: .75rem;
  font-weight: 500;
}

.active-filter-tag__remove {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: inherit;
  line-height: 1;
  font-size: .9rem;
  display: flex;
  align-items: center;
  opacity: .7;
  transition: opacity .15s;
}

.active-filter-tag__remove:hover { opacity: 1; }

/* ─────────────────────────────────────────────────────────
   5. LISTING MAIN AREA (toolbar + grid)
───────────────────────────────────────────────────────── */

.listing-main {
  min-width: 0;
  padding: clamp(.75rem, 2vw, 1.5rem) clamp(.75rem, 2.5vw, 1.5rem);
}

/* Toolbar */

.listing-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.listing-toolbar__left {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}

.listing-count {
  font-size: .82rem;
  color: var(--clr-text-tertiary);
}

.listing-count strong {
  color: var(--clr-text-primary);
  font-weight: 600;
}

/* Mobile filter toggle */

.btn-filter-toggle {
  display: none;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  font-weight: 500;
  padding: .45rem .85rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: var(--clr-bg);
  cursor: pointer;
  color: var(--clr-text-primary);
  transition: all .15s;
}

.btn-filter-toggle:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}

.btn-filter-toggle__badge {
  background: var(--clr-accent);
  color: #fff;
  font-size: .65rem;
  border-radius: 50%;
  width: 16px;
  height: 16px;
  display: none;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.btn-filter-toggle__badge.is-visible { display: flex; }

/* Sort Dropdown */

.sort-select {
  font-size: .82rem;
  padding: .42rem .75rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: var(--clr-bg);
  color: var(--clr-text-primary);
  cursor: pointer;
  outline: none;
  transition: border-color .15s;
}

.sort-select:focus { border-color: var(--clr-accent); }

/* View Toggle */

.view-toggle {
  display: flex;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.view-toggle__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--clr-bg);
  border: none;
  cursor: pointer;
  color: var(--clr-text-tertiary);
  transition: all .15s;
  border-right: 1px solid var(--clr-border);
}

.view-toggle__btn:last-child { border-right: none; }
.view-toggle__btn:hover { background: var(--clr-surface-2); color: var(--clr-text-primary); }
.view-toggle__btn.is-active { background: var(--clr-accent); color: #fff; }

/* ─────────────────────────────────────────────────────────
   6. PRODUCT GRID
───────────────────────────────────────────────────────── */

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(clamp(160px, 22%, 220px), 1fr));
  gap: clamp(.75rem, 2vw, 1.25rem);
}

.products-grid--list {
  grid-template-columns: 1fr;
}

/* List view card override */

.products-grid--list .product-card {
  display: grid;
  grid-template-columns: 160px 1fr;
  grid-template-rows: 1fr;
}

.products-grid--list .product-card__img-wrap {
  width: 160px;
  height: 160px;
}

.products-grid--list .product-card__body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Skeleton cards */

.product-skeleton {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--clr-surface-2);
}

.product-skeleton__img {
  aspect-ratio: 1 / 1.1;
  background: var(--clr-skeleton);
  animation: skeleton-pulse 1.4s ease-in-out infinite;
}

.product-skeleton__body {
  padding: .75rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.product-skeleton__line {
  height: .75rem;
  border-radius: 4px;
  background: var(--clr-skeleton);
  animation: skeleton-pulse 1.4s ease-in-out infinite;
}

.product-skeleton__line--short { width: 60%; }
.product-skeleton__line--price { width: 40%; height: 1rem; }

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

/* Empty state */

.listing-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: clamp(3rem, 8vw, 5rem) 1rem;
  color: var(--clr-text-tertiary);
}

.listing-empty__icon {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: 1rem;
  display: block;
}

.listing-empty__title {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 600;
  color: var(--clr-text-secondary);
  margin-bottom: .5rem;
}

.listing-empty__sub {
  font-size: .875rem;
  margin-bottom: 1.5rem;
}

/* ─────────────────────────────────────────────────────────
   7. SUB-CATEGORY CHIPS
───────────────────────────────────────────────────────── */

.subcat-chips {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.subcat-chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .35rem .85rem;
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  font-size: .8rem;
  color: var(--clr-text-secondary);
  text-decoration: none;
  background: var(--clr-bg);
  transition: all .15s;
  white-space: nowrap;
}

.subcat-chip:hover,
.subcat-chip.is-active {
  border-color: var(--clr-accent);
  background: var(--clr-accent-soft);
  color: var(--clr-accent);
}

.subcat-chip__img {
  width: 20px;
  height: 20px;
  object-fit: cover;
  border-radius: 50%;
}

/* ─────────────────────────────────────────────────────────
   8. PAGINATION
───────────────────────────────────────────────────────── */

.listing-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  flex-wrap: wrap;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 .5rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: var(--clr-bg);
  color: var(--clr-text-secondary);
  font-size: .82rem;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
}

.page-btn:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: var(--clr-accent-soft);
}

.page-btn.is-active {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
  font-weight: 600;
  cursor: default;
}

.page-btn:disabled {
  opacity: .4;
  cursor: not-allowed;
}

.page-btn--dots {
  border-color: transparent;
  background: transparent;
  cursor: default;
  color: var(--clr-text-tertiary);
}

.page-btn--dots:hover {
  border-color: transparent;
  background: transparent;
  color: var(--clr-text-tertiary);
}

/* ─────────────────────────────────────────────────────────
   9. SEARCH PAGE
───────────────────────────────────────────────────────── */

.search-hero {
  background: var(--clr-surface-2);
  border-bottom: 1px solid var(--clr-border);
  padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1rem, 5vw, 3rem);
}

.search-hero__form {
  display: flex;
  align-items: center;
  max-width: clamp(400px, 60%, 700px);
  background: var(--clr-bg);
  border: 2px solid var(--clr-border);
  border-radius: 40px;
  overflow: hidden;
  transition: border-color .2s;
  margin-bottom: 1rem;
}

.search-hero__form:focus-within { border-color: var(--clr-accent); }

.search-hero__input {
  flex: 1;
  border: none;
  outline: none;
  padding: .75rem 1.25rem;
  font-size: clamp(.9rem, 2vw, 1.05rem);
  background: transparent;
  color: var(--clr-text-primary);
}

.search-hero__btn {
  padding: .65rem 1.25rem;
  background: var(--clr-accent);
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: .95rem;
  display: flex;
  align-items: center;
  gap: .4rem;
  transition: background .15s;
  font-weight: 600;
  border-radius: 0 40px 40px 0;
}

.search-hero__btn:hover { background: var(--clr-accent-dark); }

.search-hero__info {
  font-size: clamp(.8rem, 1.8vw, .9rem);
  color: var(--clr-text-tertiary);
}

.search-hero__info strong {
  color: var(--clr-text-primary);
  font-weight: 600;
}

.search-no-results {
  padding: clamp(2rem, 6vw, 4rem) 1rem;
  text-align: center;
}

.search-no-results__icon { font-size: clamp(2rem, 6vw, 3.5rem); margin-bottom: 1rem; display: block; }
.search-no-results__title { font-size: clamp(1.1rem, 3vw, 1.5rem); font-weight: 700; color: var(--clr-text-primary); margin-bottom: .5rem; }
.search-no-results__sub { font-size: .9rem; color: var(--clr-text-tertiary); margin-bottom: 2rem; }

.search-suggestions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
}

.search-suggestions__title { font-size: .85rem; font-weight: 600; color: var(--clr-text-secondary); }
.search-suggestions__tags { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: center; }

.search-tag {
  display: inline-block;
  padding: .35rem .85rem;
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  font-size: .8rem;
  color: var(--clr-text-secondary);
  text-decoration: none;
  transition: all .15s;
}

.search-tag:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: var(--clr-accent-soft);
}

/* Did you mean */

.did-you-mean {
  font-size: .875rem;
  color: var(--clr-text-tertiary);
  margin-bottom: 1rem;
}

.did-you-mean a {
  color: var(--clr-accent);
  font-weight: 600;
  text-decoration: none;
}

.did-you-mean a:hover { text-decoration: underline; }

/* ─────────────────────────────────────────────────────────
   10. OFFERS PAGE
───────────────────────────────────────────────────────── */

.offers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(clamp(260px, 30%, 380px), 1fr));
  gap: clamp(1rem, 2.5vw, 1.5rem);
  padding: clamp(1rem, 3vw, 2rem) clamp(1rem, 4vw, 2.5rem);
}

.offer-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  background: var(--clr-bg);
  transition: box-shadow .2s, transform .2s;
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.offer-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.offer-card__img-wrap {
  position: relative;
  aspect-ratio: 16/7;
  overflow: hidden;
  background: var(--clr-surface-2);
}

.offer-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s;
}

.offer-card:hover .offer-card__img { transform: scale(1.04); }

.offer-card__badge {
  position: absolute;
  top: .75rem;
  left: .75rem;
  background: var(--clr-accent);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: .2rem .6rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.offer-card__body {
  padding: 1rem 1.1rem 1.2rem;
}

.offer-card__title {
  font-size: clamp(.9rem, 2vw, 1.05rem);
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: .3rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.offer-card__sub {
  font-size: .8rem;
  color: var(--clr-text-tertiary);
  margin-bottom: .85rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.offer-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8rem;
}

.offer-card__expires {
  color: var(--clr-text-tertiary);
  display: flex;
  align-items: center;
  gap: .3rem;
}

.offer-card__cta {
  color: var(--clr-accent);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: .2rem;
}

/* ─────────────────────────────────────────────────────────
   11. FLASH SALE PAGE
───────────────────────────────────────────────────────── */

.flash-hero {
  background: linear-gradient(135deg, #1a0a00 0%, #3d1200 40%, #5c1e00 100%);
  padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1rem, 5vw, 3rem);
  position: relative;
  overflow: hidden;
}

.flash-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 60L60 0M-10 10L10-10M50 70L70 50' stroke='rgba(255,255,255,.04)' stroke-width='1'/%3E%3C/svg%3E");
}

.flash-hero__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.flash-hero__left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.flash-hero__bolt {
  font-size: clamp(2rem, 5vw, 3rem);
  animation: bolt-pulse 1s ease-in-out infinite alternate;
}

@keyframes bolt-pulse {
  from { transform: scale(1); filter: drop-shadow(0 0 4px #ffd700); }
  to   { transform: scale(1.12); filter: drop-shadow(0 0 12px #ff8c00); }
}

.flash-hero__title {
  font-size: clamp(1.4rem, 4vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: .02em;
}

.flash-hero__subtitle {
  font-size: clamp(.8rem, 1.8vw, 1rem);
  color: rgba(255,255,255,.7);
  margin-top: .25rem;
}

/* Countdown Timer */

.flash-countdown {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.flash-countdown__label {
  font-size: .8rem;
  color: rgba(255,255,255,.7);
  margin-right: .25rem;
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: clamp(44px, 7vw, 60px);
}

.countdown-unit__num {
  background: rgba(255,255,255,.12);
  color: #fff;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  width: clamp(44px, 7vw, 60px);
  height: clamp(44px, 7vw, 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,.15);
  letter-spacing: -.02em;
}

.countdown-unit__label {
  font-size: .6rem;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-top: .2rem;
}

.countdown-sep {
  color: rgba(255,255,255,.6);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

/* Flash Sale ends badge */

.flash-ended-msg {
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.7);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-sm);
  padding: .5rem 1rem;
  font-size: .85rem;
  text-align: center;
}

/* Flash product — stock progress bar */

.flash-stock-bar {
  margin-top: .5rem;
}

.flash-stock-bar__track {
  height: 5px;
  background: var(--clr-border-dark);
  border-radius: 3px;
  overflow: hidden;
}

.flash-stock-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-accent) 0%, #ff6b00 100%);
  border-radius: 3px;
  transition: width .4s ease;
}

.flash-stock-bar__label {
  font-size: .7rem;
  color: var(--clr-text-tertiary);
  margin-top: .2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flash-stock-bar__label--hot { color: #e63e00; font-weight: 600; }

/* Flash discount badge on card */

.badge-flash {
  background: linear-gradient(135deg, #ff4500 0%, #ff8c00 100%);
  color: #fff;
}

/* ─────────────────────────────────────────────────────────
   12. MOBILE FILTER BOTTOM SHEET
───────────────────────────────────────────────────────── */

.filter-sheet-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1000;
  opacity: 0;
  transition: opacity .25s;
}

.filter-sheet-overlay.is-open {
  display: block;
  opacity: 1;
}

.filter-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--clr-bg);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  max-height: 88vh;
  overflow-y: auto;
  z-index: 1001;
  transform: translateY(100%);
  transition: transform .3s ease;
}

.filter-sheet-overlay.is-open .filter-sheet { transform: translateY(0); }

.filter-sheet__handle {
  width: 40px;
  height: 4px;
  background: var(--clr-border-dark);
  border-radius: 2px;
  margin: .75rem auto .5rem;
}

.filter-sheet__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.25rem;
  border-bottom: 1px solid var(--clr-border);
  position: sticky;
  top: 0;
  background: var(--clr-bg);
  z-index: 1;
}

.filter-sheet__title {
  font-size: .95rem;
  font-weight: 700;
}

.filter-sheet__body {
  padding: .5rem 1.25rem 1rem;
}

.filter-sheet__footer {
  display: flex;
  gap: .75rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--clr-border);
  position: sticky;
  bottom: 0;
  background: var(--clr-bg);
}

.filter-sheet__footer .btn { flex: 1; }

/* ─────────────────────────────────────────────────────────
   13. RESPONSIVE
───────────────────────────────────────────────────────── */

@media (max-width: 1023px) {
  .listing-page {
    grid-template-columns: 1fr;
  }

  .filter-sidebar {
    display: none; /* hidden, shown via mobile sheet */
  }

  .btn-filter-toggle {
    display: inline-flex;
  }
}

@media (max-width: 767px) {
  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(clamp(140px, 45%, 200px), 1fr));
    gap: .65rem;
  }

  .products-grid--list .product-card {
    grid-template-columns: 120px 1fr;
  }

  .products-grid--list .product-card__img-wrap {
    width: 120px;
    height: 120px;
  }

  .listing-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: .65rem;
  }

  .listing-toolbar__right {
    display: flex;
    align-items: center;
    gap: .5rem;
    width: 100%;
    justify-content: flex-end;
  }

  .flash-hero__inner { flex-direction: column; align-items: flex-start; }
  .flash-countdown { flex-wrap: wrap; }

  .offers-grid {
    grid-template-columns: 1fr;
    padding: 1rem;
  }
}

@media (max-width: 479px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: .5rem;
  }

  .view-toggle { display: none; }

  .listing-hero__title { font-size: 1.2rem; }
}