/* ─── Catalog Page ──────────────────────────────────────────── */

/* Page Hero */
.page-hero {
  background: linear-gradient(180deg, rgba(0, 170, 255, 0.05) 0%, transparent 100%);
  border-bottom: 1px solid var(--border);
  padding: calc(var(--nav-height) + 40px) 0 40px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-3);
  margin-bottom: 12px;
}
.breadcrumb a { color: var(--text-3); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--text-3); }

.page-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.page-subtitle {
  color: var(--text-2);
  font-size: 1rem;
}

/* ─── Layout ────────────────────────────────────────────────── */
.catalog-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  padding-top: 40px;
  padding-bottom: 40px;
  align-items: start;
}

/* ─── Sidebar ───────────────────────────────────────────────── */
.catalog-sidebar {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: calc(var(--nav-height) + 20px);
  max-height: calc(100vh - var(--nav-height) - 40px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-4) transparent;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Filter Groups */
.filter-group {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.filter-group:first-of-type { border-top: none; padding-top: 0; }

.filter-group-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
  font-size: 0.875rem;
  color: var(--text-2);
  margin: 0 -10px;
}

.filter-option:hover { background: rgba(255, 255, 255, 0.04); color: var(--text-1); }

.filter-option input[type="radio"],
.filter-option input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  cursor: pointer;
}

.filter-option span:not(.filter-count) { flex: 1; }

.filter-count {
  font-size: 0.72rem;
  color: var(--text-3);
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 7px;
  border-radius: 10px;
  margin-left: auto;
  flex-shrink: 0;
}

/* Price Inputs */
.price-inputs {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.price-input-group {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  flex: 1;
  font-size: 0.85rem;
  color: var(--text-3);
  transition: border-color var(--transition);
}

.price-input-group:focus-within {
  border-color: var(--border-accent);
}

.price-input-group input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-1);
  width: 100%;
  font-size: 0.85rem;
}

.price-sep {
  color: var(--text-3);
  flex-shrink: 0;
}

/* Slider */
.price-range-container {
  position: relative;
  margin-bottom: 8px;
}

.price-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(to right, var(--accent) 0%, var(--accent) var(--val, 100%), var(--bg-4) var(--val, 100%));
  outline: none;
  cursor: pointer;
}

.price-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(0, 170, 255, 0.2);
  transition: box-shadow var(--transition);
}

.price-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 6px rgba(0, 170, 255, 0.2);
}

.price-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
}

.price-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-3);
}

/* Toggle */
.toggle-option {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-2);
}

.toggle-option input { display: none; }

.toggle-track {
  width: 40px;
  height: 22px;
  background: var(--bg-4);
  border: 1px solid var(--border);
  border-radius: 11px;
  position: relative;
  transition: background var(--transition), border-color var(--transition);
  flex-shrink: 0;
}

.toggle-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  background: var(--text-3);
  border-radius: 50%;
  transition: all var(--transition);
}

.toggle-option input:checked + .toggle-track {
  background: rgba(0, 170, 255, 0.15);
  border-color: var(--border-accent);
}

.toggle-option input:checked + .toggle-track .toggle-thumb {
  left: calc(100% - 18px);
  background: var(--accent);
}

/* ─── Catalog Main ──────────────────────────────────────────── */
.catalog-main { min-width: 0; }

/* Toolbar */
.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.catalog-toolbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.catalog-toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.results-count {
  font-size: 0.85rem;
  color: var(--text-3);
  font-weight: 500;
  white-space: nowrap;
}

.active-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.active-filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(0, 170, 255, 0.1);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--accent);
}

.active-filter-tag button {
  background: none;
  border: none;
  color: var(--accent);
  padding: 0;
  font-size: 0.9rem;
  line-height: 1;
  display: flex;
  align-items: center;
}

.filter-toggle-btn {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 0.83rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--text-1);
}

.sort-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-3) 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='%235A6878' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat right 12px center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  padding: 8px 36px 8px 14px;
  font-size: 0.83rem;
  cursor: pointer;
  transition: border-color var(--transition);
  outline: none;
}

.sort-select:hover, .sort-select:focus { border-color: var(--border-accent); color: var(--text-1); }

/* View toggle */
.view-toggle {
  display: flex;
  gap: 4px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
}

.view-btn {
  padding: 5px 8px;
  background: none;
  border: none;
  border-radius: 4px;
  color: var(--text-3);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
}

.view-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-1);
}

/* Category quick chips */
.category-chips {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

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

.list-view .product-card {
  flex-direction: row;
  max-height: 180px;
}

.list-view .product-card-image {
  width: 240px;
  min-width: 240px;
  aspect-ratio: unset;
  height: auto;
}

.list-view .product-card-body {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  padding: 20px 24px;
}

.list-view .product-name {
  font-size: 1.1rem;
  min-width: 60%;
}

.list-view .product-meta { width: 100%; }

.list-view .product-price {
  margin-left: auto;
  margin-top: 0;
  padding-top: 0;
}

/* Screen reader utility */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .catalog-layout { grid-template-columns: 1fr; }

  .catalog-sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 300px;
    max-height: 100vh;
    z-index: 1001;
    border-radius: 0;
    transform: translateX(-100%);
    transition: transform var(--transition);
    border-right: 1px solid var(--border);
  }

  .catalog-sidebar.open { transform: translateX(0); }

  .filter-toggle-btn { display: flex; }
  .mobile-apply-filters { display: block !important; }

  .list-view .product-card { flex-direction: column; max-height: none; }
  .list-view .product-card-image { width: 100%; }
}

@media (max-width: 480px) {
  .catalog-toolbar { flex-direction: column; align-items: flex-start; }
  .catalog-toolbar-right { width: 100%; justify-content: flex-end; }
}