/* ============================================================
   BY QKDA — Category / Search Page
   ============================================================ */

.catalog-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--sp-48);
  padding-bottom: var(--sp-96);
  align-items: start;
}

/* Sidebar filters */
.filters {
  position: sticky;
  top: calc(var(--h-header) + var(--sp-24));
}

.filters__title {
  font-size: var(--fs-11);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--sp-24);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.filters__clear {
  font-size: var(--fs-11);
  color: var(--c-text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--c-border);
  padding-bottom: 1px;
  cursor: pointer;
}
.filters__clear:hover { color: var(--c-text); }

.filter-group {
  border-bottom: 1px solid var(--c-border);
  padding-bottom: var(--sp-24);
  margin-bottom: var(--sp-24);
}

.filter-group__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-16);
  cursor: pointer;
}

.filter-group__toggle svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  transition: transform var(--dur-base);
}

.filter-group.is-open .filter-group__toggle svg { transform: rotate(180deg); }

.filter-group__body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-10);
}

.filter-check {
  display: flex;
  align-items: center;
  gap: var(--sp-10);
  cursor: pointer;
  font-size: var(--fs-14);
  color: var(--c-text-2);
}

.filter-check input[type=checkbox] { display: none; }

.filter-check__box {
  width: 16px;
  height: 16px;
  border: 1px solid var(--c-border);
  flex-shrink: 0;
  position: relative;
  transition: border-color var(--dur-fast), background var(--dur-fast);
}

.filter-check input:checked ~ .filter-check__box {
  background: var(--c-text);
  border-color: var(--c-text);
}

.filter-check__box::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--c-white);
  transform: scale(0);
  transition: transform var(--dur-fast);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.filter-check input:checked ~ .filter-check__box::after { transform: scale(1); }

/* Size filters (pills) */
.filter-sizes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-8);
}

.filter-size {
  min-width: 44px;
  height: 40px;
  display: grid;
  place-items: center;
  padding: 0 var(--sp-12);
  border: 1px solid var(--c-border);
  font-size: var(--fs-13);
  cursor: pointer;
  transition: border-color var(--dur-fast), background var(--dur-fast), color var(--dur-fast);
}
.filter-size:hover { border-color: var(--c-text); }
.filter-size.is-active { background: var(--c-text); color: var(--c-white); border-color: var(--c-text); }

/* Active filters chips */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-8);
  margin-bottom: var(--sp-24);
}

.active-filter {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  border: 1px solid var(--c-border);
  padding: var(--sp-8) var(--sp-12);
  font-size: var(--fs-12);
  color: var(--c-text-2);
  cursor: pointer;
}

.active-filter:hover { color: var(--c-text); border-color: var(--c-text); }
.active-filter svg { width: 12px; height: 12px; stroke: currentColor; fill: none; stroke-width: 2; }

/* Subcategory chips */
.subcats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-8);
  margin-bottom: var(--sp-24);
}

.subcat-chip {
  height: 34px;
  padding: 0 var(--sp-16);
  border: 1px solid var(--c-border);
  font-size: var(--fs-13);
  color: var(--c-text-2);
  background: transparent;
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
  white-space: nowrap;
}
.subcat-chip:hover { border-color: var(--c-text); color: var(--c-text); }
.subcat-chip.is-active { background: var(--c-text); color: var(--c-white); border-color: var(--c-text); }

/* No products state */
.catalog-empty {
  text-align: center;
  padding: var(--sp-80) var(--sp-24);
  color: var(--c-text-2);
  grid-column: 1 / -1;
}

.catalog-empty svg {
  width: 48px;
  height: 48px;
  stroke: var(--c-beige);
  fill: none;
  stroke-width: 1;
  margin: 0 auto var(--sp-20);
}

.catalog-empty h3 { font-size: var(--fsd-xs); font-family: var(--f-display); margin-bottom: var(--sp-12); }
.catalog-empty p { font-size: var(--fs-15); }

/* ── Responsive ────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .catalog-layout {
    grid-template-columns: 1fr;
  }
  .filters {
    position: static;
    display: none; /* toggled by mobile filter button */
  }
  .filters.is-open { display: block; }
}