/* ==========================================================================
   SHOP FILTERS — sidebar (kategorie, rozmiar, kolor, materiał, cena, długość)
   ========================================================================== */

.shop-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding-block: var(--space-lg);
}

/* Przycisk otwierający filtry (mobile) */
.filters-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.6em 1em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
}
.filters-toggle svg { width: 16px; height: 16px; }

.shop-filters {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--color-white);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  padding: var(--space-md);
}
[data-filters-open="true"] .shop-filters { transform: translateX(0); }

/* Nakładka-tło filtrów — WCZEŚNIEJ przez pomyłkę współdzieliła klasę
   .nav-overlay z menu głównym, co powodowało, że stawała się klikalna
   (i przechwytywała kliknięcia) za każdym razem, gdy otwierało się MENU,
   nie tylko filtry. Teraz to osobna, niezależna klasa. */
.filters-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 26, 24, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  z-index: calc(var(--z-modal) - 1);
}
[data-filters-open="true"] .filters-overlay {
  opacity: 1;
  pointer-events: auto;
}

.shop-filters__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
}

.filter-group {
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-md);
}
.filter-group__title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: var(--ls-uppercase);
  width: 100%;
}
.filter-group__title .chevron { transition: transform var(--transition-fast); }
.filter-group.is-collapsed .chevron { transform: rotate(-90deg); }
.filter-group.is-collapsed .filter-group__body { display: none; }

.filter-group__body { margin-top: var(--space-sm); }

.filter-checkbox {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  font-size: var(--fs-small);
  padding-block: var(--space-2xs);
  cursor: pointer;
}
.filter-checkbox span:first-child { display: flex; align-items: center; gap: var(--space-xs); }
.filter-checkbox input { accent-color: var(--color-black); }
.filter-checkbox__count { color: var(--color-text-muted); font-size: var(--fs-xs); }

.filter-group__more {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-decoration: underline;
  margin-top: var(--space-xs);
}

/* Kolor — swatches w filtrze */
.filter-colors {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.filter-color {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  position: relative;
  cursor: pointer;
}
.filter-color.is-selected::after {
  content: "";
  position: absolute;
  inset: -3px;
  border: 1.5px solid var(--color-black);
  border-radius: 50%;
}
.filter-color input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.filter-color__more {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px dashed var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

/* Cena — range slider */
.filter-price__range {
  position: relative;
  height: 4px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  margin-block: var(--space-md);
}
.filter-price__range-fill {
  position: absolute;
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}
.filter-price input[type="range"] {
  position: absolute;
  inset: 0;
  width: 100%;
  appearance: none;
  background: transparent;
  pointer-events: none;
}
.filter-price input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  pointer-events: auto;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  cursor: pointer;
}
.filter-price__labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-small);
}

.shop-filters__apply {
  margin-top: var(--space-lg);
}

@media (min-width: 992px) {
  .shop-layout { grid-template-columns: 260px 1fr; align-items: flex-start; }
  .filters-toggle { display: none; }
  .shop-filters {
    position: static;
    inset: auto;
    transform: none;
    z-index: auto;
    overflow: visible;
    padding: 0;
  }
  .shop-filters__header { display: none; }
  .shop-filters__apply { margin-top: var(--space-lg); }
}

/* Opis kategorii pod listą produktów */
.shop-description {
  max-width: 900px;
  margin-inline: auto;
  padding-block: var(--space-2xl);
  color: var(--color-text-muted);
  font-size: var(--fs-small);
  line-height: 1.7;
  border-top: 1px solid var(--color-border);
}