/* ==========================================================================
   Category / Shop Page Styles (supplements style.css + pages.css)
   ========================================================================== */

/* ==========================================================================
   1. Category Hero
   ========================================================================== */

.cat-hero {
  position: relative;
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  overflow: hidden;
}

.cat-hero__bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 70% 40%, var(--color-primary-glow) 0%, transparent 50%),
    radial-gradient(circle at 20% 70%, var(--color-accent-glow) 0%, transparent 50%);
  opacity: 0.35;
}

.cat-hero .breadcrumb {
  position: relative;
  margin-bottom: var(--space-lg);
}

.cat-hero__content {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 768px) {
  .cat-hero__content {
    grid-template-columns: 1.5fr 1fr;
  }
}

.cat-hero__title {
  font-size: var(--fs-h1);
  margin-bottom: var(--space-md);
  letter-spacing: -0.03em;
}

.cat-hero__subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
}

.cat-hero__stats {
  display: flex;
  gap: var(--space-xl);
}

.cat-hero__stat {
  display: flex;
  flex-direction: column;
}

.cat-hero__stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.cat-hero__stat-label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cat-hero__image {
  display: none;
}

@media (min-width: 768px) {
  .cat-hero__image {
    display: flex;
    justify-content: center;
  }
}

.cat-hero__image-placeholder {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-bg-card), var(--color-bg-elevated));
  border: 2px dashed var(--color-border-light);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  gap: var(--space-sm);
}

.cat-hero__image-placeholder span { font-weight: 600; }
.cat-hero__image-placeholder small { font-size: var(--fs-small); }

/* ==========================================================================
   2. Toolbar (Sort, Filter toggle, View toggle)
   ========================================================================== */

.cat-toolbar {
  background-color: var(--color-bg-elevated);
  border-block: 1px solid var(--color-border);
  padding-block: var(--space-md);
  position: sticky;
  top: var(--header-height);
  z-index: 50;
}

.cat-toolbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.cat-toolbar__left {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.cat-toolbar__count {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}

.cat-toolbar__filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5rem 1rem;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

@media (min-width: 1024px) {
  .cat-toolbar__filter-toggle {
    display: none;
  }
}

.cat-toolbar__filter-toggle:hover,
.cat-toolbar__filter-toggle[aria-expanded="true"] {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.cat-toolbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.cat-toolbar__sort {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.cat-toolbar__sort-label {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  white-space: nowrap;
  display: none;
}

@media (min-width: 640px) {
  .cat-toolbar__sort-label {
    display: block;
  }
}

.form-select-wrapper--sm {
  min-width: 160px;
}

.form-select--sm {
  padding: 0.5rem 2.25rem 0.5rem 0.75rem;
  font-size: var(--fs-small);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  appearance: none;
  cursor: pointer;
}

.form-select--sm:focus {
  outline: none;
  border-color: var(--color-primary);
}

.cat-toolbar__view {
  display: none;
  gap: var(--space-xs);
}

@media (min-width: 640px) {
  .cat-toolbar__view {
    display: flex;
  }
}

.cat-toolbar__view-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.cat-toolbar__view-btn:hover {
  color: var(--color-text);
  border-color: var(--color-border-light);
}

.cat-toolbar__view-btn.is-active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background-color: rgba(0, 217, 255, 0.05);
}

/* ==========================================================================
   3. Category Layout (Filters Sidebar + Products)
   ========================================================================== */

.cat-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 1024px) {
  .cat-layout {
    grid-template-columns: 260px 1fr;
    gap: var(--space-2xl);
  }
}

/* ==========================================================================
   4. Filters Sidebar
   ========================================================================== */

.cat-filters {
  display: none;
}

@media (min-width: 1024px) {
  .cat-filters {
    display: block;
    position: sticky;
    top: calc(var(--header-height) + 60px + var(--space-xl));
    align-self: start;
    max-height: calc(100vh - var(--header-height) - 80px);
    overflow-y: auto;
    padding-right: var(--space-sm);
  }
}

/* Mobile: overlay mode */
.cat-filters.is-open {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 100%;
  max-width: 360px;
  z-index: var(--z-mobile-menu);
  background-color: var(--color-bg-elevated);
  padding: var(--space-lg);
  overflow-y: auto;
  transform: translateX(0);
  border-right: 1px solid var(--color-border);
}

.cat-filters__backdrop {
  display: none;
}

.cat-filters.is-open ~ .cat-filters__backdrop {
  display: block;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: calc(var(--z-mobile-menu) - 1);
  backdrop-filter: blur(4px);
}

.cat-filters__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.cat-filters__title {
  font-size: 1.125rem;
}

.cat-filters__clear {
  font-size: var(--fs-small);
  color: var(--color-primary);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.cat-filters__clear:hover {
  color: var(--color-primary-hover);
}

/* Active Filters */
.cat-filters__active {
  margin-bottom: var(--space-lg);
}

.cat-filters__active[hidden] {
  display: none;
}

.cat-filters__active-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.active-filter-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 10px;
  background-color: rgba(0, 217, 255, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  color: var(--color-primary);
}

.active-filter-tag button {
  display: flex;
  color: var(--color-primary);
  font-size: 14px;
  line-height: 1;
}

/* Filter Group */
.filter-group {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-md);
}

.filter-group:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
}

.filter-group__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-sm) 0;
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
}

.filter-group__toggle svg {
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
}

.filter-group__toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.filter-group__content {
  padding-top: var(--space-sm);
}

.filter-group__content[hidden] {
  display: none;
}

/* Checkbox Filter */
.filter-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.filter-checkbox:hover {
  color: var(--color-primary);
}

.filter-checkbox input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.filter-checkbox__box {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.filter-checkbox input:checked + .filter-checkbox__box {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.filter-checkbox input:checked + .filter-checkbox__box::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 4px;
  height: 8px;
  border: solid var(--color-bg);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.filter-checkbox input:focus-visible + .filter-checkbox__box {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.filter-checkbox__label {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  flex: 1;
}

.filter-checkbox:hover .filter-checkbox__label {
  color: var(--color-text);
}

.filter-checkbox__count {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* Price Range Filter */
.filter-price__inputs {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.filter-price__field {
  display: flex;
  align-items: center;
  flex: 1;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0 var(--space-sm);
  transition: border-color var(--transition-fast);
}

.filter-price__field:focus-within {
  border-color: var(--color-primary);
}

.filter-price__currency {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.filter-price__input {
  width: 100%;
  padding: var(--space-sm);
  background: none;
  border: none;
  color: var(--color-text);
  font-size: var(--fs-small);
  outline: none;
  -moz-appearance: textfield;
}

.filter-price__input::-webkit-inner-spin-button,
.filter-price__input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.filter-price__sep {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.filter-price__range {
  width: 100%;
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  outline: none;
  appearance: none;
  cursor: pointer;
}

.filter-price__range::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 8px var(--color-primary-glow);
  cursor: pointer;
}

.filter-price__range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
  cursor: pointer;
}

/* Mobile Apply Button */
.cat-filters__apply {
  display: block;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

@media (min-width: 1024px) {
  .cat-filters__apply {
    display: none;
  }
}

.cat-filters__apply .btn {
  width: 100%;
}

/* ==========================================================================
   5. Product Card Enhancements (list view & short desc)
   ========================================================================== */

.product-card__short-desc {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: var(--space-sm);
  display: none;
}

/* List View */
.product-grid.is-list-view {
  grid-template-columns: 1fr;
}

.product-grid.is-list-view .product-card {
  flex-direction: row;
}

.product-grid.is-list-view .product-card__link {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-lg);
}

.product-grid.is-list-view .product-card__image {
  aspect-ratio: 1;
}

.product-grid.is-list-view .product-card__info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-lg);
}

.product-grid.is-list-view .product-card__short-desc {
  display: block;
}

.product-grid.is-list-view .product-card__add-to-cart {
  border-top: none;
  border-left: 1px solid var(--color-border);
  padding: var(--space-lg);
  writing-mode: vertical-lr;
  text-orientation: mixed;
  white-space: nowrap;
}

@media (max-width: 767px) {
  .product-grid.is-list-view .product-card__link {
    grid-template-columns: 120px 1fr;
    gap: var(--space-md);
  }

  .product-grid.is-list-view .product-card__add-to-cart {
    writing-mode: horizontal-tb;
    border-left: none;
    border-top: 1px solid var(--color-border);
  }
}

/* ==========================================================================
   6. No Results
   ========================================================================== */

.cat-no-results {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  color: var(--color-text-muted);
}

.cat-no-results[hidden] {
  display: none;
}

.cat-no-results h3 {
  font-size: 1.25rem;
  color: var(--color-text);
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
}

.cat-no-results p {
  color: var(--color-text-secondary);
}

.cat-no-results__reset {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  background: none;
  border: none;
  font-size: inherit;
  cursor: pointer;
}

/* ==========================================================================
   7. Category Description (SEO Content)
   ========================================================================== */

.cat-description {
  border-top: 1px solid var(--color-border);
}

.cat-description__content {
  max-width: 820px;
}

.cat-description__content h2 {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  margin-bottom: var(--space-md);
}

.cat-description__content h3 {
  font-size: 1.25rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.cat-description__content p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.cat-description__content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cat-description__content a:hover {
  color: var(--color-primary-hover);
}

.cat-description__content strong {
  color: var(--color-text);
}

/* ==========================================================================
   8. Cross-Sell (Other Brands)
   ========================================================================== */

.cat-cross-sell {
  background-color: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
}

.cat-cross-sell__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .cat-cross-sell__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .cat-cross-sell__grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.cat-cross-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  gap: var(--space-xs);
}

.cat-cross-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 217, 255, 0.1);
}

.cat-cross-card__name {
  font-size: 1.125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.cat-cross-card:hover .cat-cross-card__name {
  color: var(--color-primary);
}

.cat-cross-card__detail {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.cat-cross-card__cta {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-sm);
}