/* ==========================================================================
   Product grid & catalog filter layout
   ========================================================================== */

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

@media (max-width: 1080px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 780px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
}
@media (max-width: 460px) {
  .product-grid { grid-template-columns: 1fr; }
}

.product-grid--related {
  grid-template-columns: repeat(4, 1fr);
}

.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-7);
  align-items: start;
  padding-top: calc(var(--nav-height) + var(--space-6));
}

.catalog-filters {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-5));
  border: 1px solid var(--line-on-paper);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.filter-group__title {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-on-paper-mute);
  margin-bottom: var(--space-3);
}

.filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-block: 6px;
  font-size: var(--fs-sm);
  cursor: pointer;
}
.filter-option input { accent-color: var(--ink); width: 16px; height: 16px; }
.filter-option .count { margin-left: auto; color: var(--text-on-paper-mute); font-family: var(--font-mono); font-size: var(--fs-xs); }

.price-range {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.price-range input[type="range"] {
  width: 100%;
  accent-color: var(--amber);
}
.price-range__value {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
}

.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.catalog-search {
  position: relative;
  flex: 1;
  min-width: 220px;
  max-width: 420px;
}
.catalog-search input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border: 1.5px solid var(--line-on-paper);
  border-radius: var(--radius-pill);
  background: var(--paper);
  font-size: var(--fs-sm);
}
.catalog-search input:focus { border-color: var(--ink); }
.catalog-search svg {
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  color: var(--text-on-paper-mute);
}

.catalog-sort select {
  padding: 10px 14px;
  border: 1.5px solid var(--line-on-paper);
  border-radius: var(--radius-sm);
  background: var(--paper);
  font-size: var(--fs-sm);
}

.catalog-result-count {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-on-paper-mute);
}

.catalog-empty {
  text-align: center;
  padding: var(--space-9) var(--space-5);
  border: 1px dashed var(--line-on-paper);
  border-radius: var(--radius-md);
}
.catalog-empty h3 { margin-bottom: var(--space-2); }
.catalog-empty p { color: var(--text-on-paper-mute); }

.mobile-filter-toggle {
  display: none;
}

@media (max-width: 900px) {
  .catalog-layout { grid-template-columns: 1fr; }
  .catalog-filters {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 88vw);
    height: 100vh;
    overflow-y: auto;
    background: var(--paper);
    z-index: var(--z-overlay);
    transform: translateX(100%);
    transition: transform var(--dur-med) var(--ease);
    border-radius: 0;
    border-left: 1px solid var(--line-on-paper);
  }
  .catalog-filters[data-open="true"] { transform: translateX(0); }
  .mobile-filter-toggle { display: inline-flex; }
}

@media (max-width: 780px) {
  .product-grid--related { grid-template-columns: repeat(2, 1fr); }
}

/* ==== Homepage catalog search + category pills ==== */
.catalog-search {
  position: relative;
  max-width: 480px;
  margin: 0 0 var(--space-5, 24px);
}
.catalog-search svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-on-paper-mute);
  pointer-events: none;
}
.catalog-search input {
  width: 100%;
  padding: 12px 14px 12px 42px;
  border-radius: 10px;
  border: 1px solid var(--line-on-paper);
  background: var(--paper-2);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--text-on-paper);
}
.catalog-search input:focus {
  outline: none;
  border-color: var(--amber);
}

.catalog-cat-label {
  display: block;
  margin-bottom: var(--space-2);
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6, 32px);
}
.category-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-on-paper);
  background: var(--paper-2);
  color: var(--text-on-paper-mute);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.category-pill:hover { border-color: var(--amber); color: var(--text-on-paper); }
.category-pill.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--text-on-ink);
}
.category-pill__count {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  opacity: 0.7;
}