/* ——— Mobile/tablet: sticky toggle + bottom sheet (≤899px) ——— */
.catalog-filters-toggle {
  display: none;
}

.filter-sheet-backdrop {
  display: none;
}

.filter-sheet__header {
  display: none;
}

@media (max-width: 899px) {
  .catalog-layout__body {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
  }

  .catalog-filters-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    order: 1;
    position: fixed;
    left: 0;
    top: 50%;
    z-index: 28;
    width: auto;
    min-width: 2.35rem;
    min-height: 6.5rem;
    margin: 0;
    padding: 0.85rem 0.45rem;
    border: 1px solid color-mix(in srgb, var(--color-accent-start) 35%, transparent);
    border-left: 0;
    border-radius: 0 0.85rem 0.85rem 0;
    background: var(--color-accent-end, #9f1239);
    color: #fff;
    font: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: translateY(-50%);
    cursor: pointer;
    box-shadow: 0 0.45rem 1.1rem color-mix(in srgb, var(--color-ink) 14%, transparent);
    -webkit-tap-highlight-color: transparent;
  }

  .catalog-filters-toggle svg {
    width: 1rem;
    height: 1rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    transform: rotate(-90deg);
  }

  .catalog-layout__grid {
    order: 2;
    min-width: 0;
  }

  .filter-sheet-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 70;
    margin: 0;
    padding: 0;
    border: 0;
    background: color-mix(in srgb, var(--color-ink) 48%, transparent);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .filter-sheet-backdrop:not([hidden]) {
    pointer-events: auto;
  }

  body.is-filter-sheet-open .filter-sheet-backdrop {
    opacity: 1;
  }

  .catalog-layout__filters {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 71;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-height: min(88dvh, 40rem);
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 1.1rem 1.1rem 0 0;
    background: var(--color-surface);
    box-shadow: 0 -0.75rem 2rem color-mix(in srgb, var(--color-ink) 14%, transparent);
    transform: translate3d(0, 105%, 0);
    transition: transform 0.34s cubic-bezier(0.22, 1, 0.36, 1);
    overflow: hidden;
    -webkit-overflow-scrolling: touch;
  }

  body.is-filter-sheet-open .catalog-layout__filters {
    transform: translate3d(0, 0, 0);
  }

  .filter-sheet__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-shrink: 0;
    padding: 0.95rem 1rem 0.75rem;
    border-bottom: 1px solid color-mix(in srgb, var(--color-ink) 8%, transparent);
  }

  .filter-sheet__title {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--color-ink);
  }

  .filter-sheet__close {
    display: grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: color-mix(in srgb, var(--color-ink) 5%, transparent);
    color: var(--color-ink);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }

  .filter-sheet__close svg {
    width: 1.05rem;
    height: 1.05rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
  }

  .catalog-layout__filters .catalog-filters {
    flex: 1 1 auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: var(--color-surface);
    padding: 1rem 1rem calc(1rem + var(--safe-bottom));
  }

  body.is-filter-sheet-open {
    overflow: hidden;
  }
}

@media (min-width: 900px) {
  .catalog-filters-toggle,
  .filter-sheet-backdrop,
  .filter-sheet__header {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .catalog-layout__filters,
  .filter-sheet-backdrop {
    transition: none;
  }
}