/* ==========================================================================
   Aurum Theme — Listing / Category Page
   Filter sidebar, sort bar, product grid, pagination
   ========================================================================== */

/* ---- Listing layout ---- */
.au-listing {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--au-sp-8);
  align-items: start;
}

/* ---- Listing header ---- */
.au-listing__header {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  gap: var(--au-sp-4);
  margin-bottom: var(--au-sp-2);
}

.au-listing__title {
  font-family: var(--au-font-display);
  font-size: var(--au-fs-2xl);
  font-weight: var(--au-fw-semibold);
}

.au-listing__count {
  font-size: var(--au-fs-sm);
  color: var(--au-muted);
}

/* ---- Sidebar / Filters ---- */
.au-listing__sidebar {
  position: sticky;
  top: calc(80px + var(--au-sp-6));
}

.au-filter-panel {
  border: 1px solid var(--au-border-light);
  border-radius: var(--au-radius);
  padding: var(--au-sp-5);
  background-color: var(--au-surface);
}

.au-filter-panel__title {
  font-family: var(--au-font-display);
  font-size: var(--au-fs-lg);
  font-weight: var(--au-fw-semibold);
  margin-bottom: var(--au-sp-4);
  padding-bottom: var(--au-sp-3);
  border-bottom: 1px solid var(--au-border-light);
}

/* Mobile filter toggle */
.au-filter-toggle {
  display: none;
  align-items: center;
  gap: var(--au-sp-2);
  padding: var(--au-sp-3) var(--au-sp-5);
  font-family: var(--au-font-body);
  font-size: var(--au-fs-sm);
  font-weight: var(--au-fw-medium);
  letter-spacing: var(--au-ls-wider);
  text-transform: uppercase;
  color: var(--au-text);
  background: var(--au-surface);
  border: 1px solid var(--au-border);
  border-radius: var(--au-radius);
  cursor: pointer;
  transition: border-color var(--au-duration) var(--au-ease);
}

.au-filter-toggle:hover {
  border-color: var(--au-gold);
}

.au-filter-toggle svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* Mobile filter drawer */
.au-filter-drawer {
  display: none;
}

.au-filter-drawer__overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 2, 19, 0.5);
  z-index: var(--au-z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: all var(--au-duration) var(--au-ease);
}

.au-filter-drawer__panel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 320px;
  max-width: 85vw;
  background: var(--au-surface);
  z-index: var(--au-z-drawer);
  transform: translateX(-100%);
  transition: transform var(--au-duration-slow) var(--au-ease);
  overflow-y: auto;
  padding: var(--au-sp-6);
}

.au-filter-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--au-sp-6);
  padding-bottom: var(--au-sp-4);
  border-bottom: 1px solid var(--au-border-light);
}

.au-filter-drawer__title {
  font-family: var(--au-font-display);
  font-size: var(--au-fs-xl);
  font-weight: var(--au-fw-semibold);
}

.au-filter-drawer__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--au-text);
}

.au-filter-drawer__close svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.au-filter-drawer.is-open .au-filter-drawer__overlay {
  opacity: 1;
  visibility: visible;
}

.au-filter-drawer.is-open .au-filter-drawer__panel {
  transform: translateX(0);
}

/* ---- Sort bar ---- */
.au-sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--au-sp-4);
  padding: var(--au-sp-4) 0;
  margin-bottom: var(--au-sp-6);
  border-bottom: 1px solid var(--au-border-light);
}

.au-sort-bar__left {
  display: flex;
  align-items: center;
  gap: var(--au-sp-3);
}

.au-sort-bar__label {
  font-size: var(--au-fs-sm);
  color: var(--au-muted);
  white-space: nowrap;
}

.au-sort-bar__select {
  padding: var(--au-sp-2) var(--au-sp-8) var(--au-sp-2) var(--au-sp-3);
  font-size: var(--au-fs-sm);
  border: 1px solid var(--au-border);
  border-radius: var(--au-radius-sm);
  background-color: var(--au-surface);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23717182' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  cursor: pointer;
  transition: border-color var(--au-duration) var(--au-ease);
}

.au-sort-bar__select:focus {
  border-color: var(--au-gold);
  outline: none;
}

.au-sort-bar__right {
  display: flex;
  align-items: center;
  gap: var(--au-sp-2);
}

/* View toggle */
.au-view-toggle {
  display: flex;
  gap: 2px;
  border: 1px solid var(--au-border);
  border-radius: var(--au-radius-sm);
  overflow: hidden;
}

.au-view-toggle__btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--au-surface);
  border: none;
  cursor: pointer;
  color: var(--au-muted);
  transition: all var(--au-duration) var(--au-ease);
}

.au-view-toggle__btn.is-active {
  background-color: var(--au-text);
  color: #ffffff;
}

.au-view-toggle__btn svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* ---- Product grid on listing ---- */
.au-listing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--au-sp-6);
}

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

/* ---- Pagination ---- */
.au-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--au-sp-2);
  margin-top: var(--au-sp-10);
  padding-top: var(--au-sp-8);
  border-top: 1px solid var(--au-border-light);
}

.au-pagination__link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--au-sp-3);
  font-size: var(--au-fs-sm);
  color: var(--au-text);
  border: 1px solid var(--au-border);
  border-radius: var(--au-radius-sm);
  transition: all var(--au-duration) var(--au-ease);
}

.au-pagination__link:hover {
  border-color: var(--au-gold);
  color: var(--au-gold);
}

.au-pagination__link.is-current {
  background-color: var(--au-gold);
  border-color: var(--au-gold);
  color: #ffffff;
}

.au-pagination__link--disabled {
  opacity: 0.4;
  pointer-events: none;
}

.au-pagination__link svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* ---- Responsive ---- */
@media (max-width: 991px) {
  .au-listing {
    grid-template-columns: 1fr;
  }

  .au-listing__sidebar {
    display: none;
  }

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

  .au-filter-drawer {
    display: block;
  }

  .au-listing__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .au-listing__grid {
    grid-template-columns: 1fr;
    gap: var(--au-sp-4);
  }

  .au-sort-bar {
    flex-wrap: wrap;
  }

  .au-pagination__link {
    min-width: 36px;
    height: 36px;
  }
}