/*
 * Listing Product page — page hero (breadcrumb + title), filter sidebar
 * (a bottom sheet on phone/tablet), control bar, product grid and pagination.
 */

/* ---- Page hero (compact hero used on listing/detail pages) ---- */

.page-hero {
  background: var(--color-surface-brand-blue-soft);
  border-bottom: 1px solid var(--color-border-inverse-soft);
}

.page-hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  padding-block: var(--spacing-9) var(--spacing-8);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-1-5);
  color: var(--color-text-neutral-secondary);
}

.breadcrumb a {
  transition: color 150ms ease;
}

.breadcrumb a:hover {
  color: var(--color-text-brand-blue-hover);
}

.breadcrumb__current {
  color: var(--color-text-neutral-primary);
  font-weight: var(--font-weight-medium);
}

.page-hero__title {
  max-width: 720px;
  color: var(--color-text-brand-blue-default);
}

.page-hero__subtitle {
  max-width: 640px;
  color: var(--color-text-neutral-secondary);
}

@media (max-width: 767px) {
  .page-hero__inner {
    padding-block: var(--spacing-6) var(--spacing-5);
  }

  .page-hero__title {
    font-size: var(--font-size-3xl);
    line-height: var(--leading-9);
  }

  .page-hero__subtitle {
    font-size: var(--font-size-sm);
    line-height: var(--leading-5);
  }
}

/* ---- Listing layout ---- */

.listing {
  background: var(--color-surface-neutral-primary-normal);
}

.listing__inner {
  padding-block: var(--spacing-14);
}

.listing__layout {
  display: grid;
  grid-template-columns: 316px minmax(0, 1fr);
  gap: var(--spacing-8);
  align-items: start;
}

@media (max-width: 1023px) {
  .listing__layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .listing__inner {
    padding-block: var(--spacing-8);
  }
}

/* ---- Filter panel (static sidebar on desktop, bottom sheet on phone/tablet) ---- */

.filter-panel {
  display: flex;
  flex-direction: column;
  /* secondary-medium (unlike secondary-normal) has a dark-mode value, so the
     panel — and the neutral-primary/secondary text on it — stays legible in
     both themes; see the note on .brand-surface for why this distinction
     matters for tokens used behind theme-dependent text. */
  background: var(--color-surface-neutral-secondary-medium);
  border: 1px solid var(--color-border-neutral-normal);
  border-radius: var(--radius-base);
  overflow: hidden;
}

.filter-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-3);
  padding: var(--spacing-6);
}

.filter-panel__heading {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.filter-panel__title {
  color: var(--color-text-neutral-primary);
}

.filter-panel__summary {
  color: var(--color-text-neutral-secondary);
}

.filter-panel__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: var(--spacing-1) var(--spacing-2-5);
  border-radius: var(--radius-full);
  background: var(--color-surface-brand-red-normal);
  color: var(--color-text-neutral-white);
  white-space: nowrap;
}

.filter-panel__close {
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  color: var(--color-text-neutral-secondary);
}

.filter-panel__close:hover {
  background: var(--color-surface-neutral-secondary-strong);
}

.filter-panel__body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
  padding: 0 var(--spacing-6) var(--spacing-6);
  overflow-y: auto;
  min-height: 0;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-border-neutral-normal);
}

.filter-panel__body .search-field {
  flex: none;
}

.filter-group__title {
  color: var(--color-text-neutral-tertiary);
  letter-spacing: 0.04em;
}

.filter-group__options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.filter-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-text-neutral-secondary);
}

.filter-option input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-surface-brand-red-normal);
}

.filter-panel__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--color-border-neutral-normal);
  background: var(--color-surface-neutral-primary-normal);
}

.filter-panel__clear {
  color: var(--color-text-brand-red-hover);
  font-weight: var(--font-weight-medium);
}

.filter-panel__clear:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.filter-panel__apply {
  display: none;
}

@media (max-width: 1023px) {
  .filter-panel {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: 85vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: translateY(110%);
    transition: transform 280ms ease;
    z-index: 70;
    box-shadow: 0 -12px 32px rgba(2, 6, 23, 0.24);
  }

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

  .filter-panel__close {
    display: flex;
  }

  .filter-panel__apply {
    display: inline-flex;
    flex: 1 1 0;
  }

  .filter-panel__footer {
    flex-direction: column-reverse;
    align-items: stretch;
  }

  .filter-panel__clear {
    text-align: center;
  }
}

.filter-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms ease;
  z-index: 65;
}

.filter-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* ---- Control bar ---- */

.control-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  padding-bottom: var(--spacing-5);
  margin-bottom: var(--spacing-6);
  border-bottom: 1px solid var(--color-border-neutral-normal);
}

.control-bar__count {
  color: var(--color-text-neutral-secondary);
}

.control-bar__count strong {
  color: var(--color-text-neutral-primary);
  font-weight: var(--font-weight-semibold);
}

.control-bar__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.filter-trigger {
  display: none;
  align-items: center;
  gap: var(--spacing-1-5);
  padding: var(--spacing-2) var(--spacing-3);
  border: 1px solid var(--color-border-neutral-normal);
  border-radius: var(--radius);
  background: var(--color-surface-neutral-primary-normal);
  color: var(--color-text-neutral-primary);
}

.filter-trigger__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding-inline: 4px;
  border-radius: var(--radius-full);
  background: var(--color-surface-brand-red-normal);
  color: var(--color-text-neutral-white);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  line-height: 18px;
}

@media (max-width: 1023px) {
  .filter-trigger {
    display: inline-flex;
  }
}

.select {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.select select {
  appearance: none;
  -webkit-appearance: none;
  padding: var(--spacing-2) var(--spacing-8) var(--spacing-2) var(--spacing-3);
  border: 1px solid var(--color-border-neutral-normal);
  border-radius: var(--radius);
  background: var(--color-surface-neutral-primary-normal);
  color: var(--color-text-neutral-primary);
  font: inherit;
}

.select .icon {
  position: absolute;
  right: var(--spacing-2);
  color: var(--color-text-neutral-secondary);
  pointer-events: none;
}

.control-bar__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  width: 100%;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1) var(--spacing-1) var(--spacing-1) var(--spacing-2-5);
  border: 1px solid var(--color-border-brand-blue-secondary);
  border-radius: var(--radius-full);
  background: var(--color-surface-neutral-primary-normal);
  color: var(--color-text-brand-blue-hover);
}

.filter-chip__remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  color: inherit;
}

.filter-chip__remove:hover {
  background: var(--color-surface-neutral-secondary-medium);
}

.filter-chip__remove .icon {
  width: 12px;
  height: 12px;
}

@media (max-width: 767px) {
  .control-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .control-bar__actions {
    justify-content: space-between;
  }
}

/* ---- Product grid ---- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-5);
}

@media (max-width: 1023px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 639px) {
  .product-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---- Pagination ---- */

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  margin-top: var(--spacing-8);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-border-neutral-normal);
}

.pagination__info {
  color: var(--color-text-neutral-secondary);
}

.pagination__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.pagination__button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  color: var(--color-text-neutral-secondary);
  transition: background-color 150ms ease, color 150ms ease;
}

.pagination__button:hover {
  background: var(--color-surface-neutral-secondary-medium);
  color: var(--color-text-neutral-primary);
}

.pagination__button[aria-current='page'] {
  background: var(--color-surface-brand-red-normal);
  color: var(--color-text-neutral-white);
  font-weight: var(--font-weight-semibold);
}

.pagination__button[aria-disabled='true'] {
  opacity: 0.4;
  pointer-events: none;
}

@media (max-width: 639px) {
  .pagination {
    flex-direction: column;
    align-items: stretch;
  }

  .pagination__info {
    text-align: center;
  }

  .pagination__list {
    justify-content: center;
  }
}