/* ==========================================================================
   Dom-Detal — catalog pages (catalog.css)
   Home, catalog root, category / brand listings with filters, brands index,
   part picker. Builds on base.css tokens and components (buttons, chips,
   cards, drawers, product cards) — only page-specific layout lives here.

   1. Home: hero          5. Listing: toolbar, chips, pager
   2. Home: sections      6. Filters & facets
   3. Listing head        7. Catalog root
   4. Subcategories       8. Brands    9. Picker
   ========================================================================== */

/* Generic "show more" groups: extra items are folded only when JS runs. */
.js [data-expandable]:not(.is-expanded) .is-extra { display: none; }
[data-expandable].is-expanded [data-expand-toggle] .icon { transform: rotate(180deg); }
[data-expand-toggle] .icon { transition: transform var(--dur) var(--ease-out); }

/* 1. Home: hero ============================================================ */
.hero { padding-top: 12px; }
@media (min-width: 768px) { .hero { padding-top: 20px; } }
.hero__panel {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; gap: 32px; align-items: center;
  padding: 26px 18px 24px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-2xl);
  background:
    radial-gradient(80% 110% at 100% 0%, rgba(61, 120, 255, .16), transparent 62%),
    radial-gradient(55% 80% at 0% 100%, rgba(255, 164, 27, .13), transparent 66%),
    linear-gradient(180deg, #FFFFFF 0%, #F2F6FF 100%);
}
.hero__panel::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5; pointer-events: none;
  background-image: radial-gradient(rgba(31, 91, 255, .12) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(120deg, transparent 35%, #000 100%);
  mask-image: linear-gradient(120deg, transparent 35%, #000 100%);
}
@media (min-width: 768px) { .hero__panel { padding: 44px 40px; } }
@media (min-width: 1024px) { .hero__panel { grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: 32px; padding: 56px 56px 52px; } }
.hero__content { min-width: 0; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px; max-width: 100%;
  padding: 6px 12px 6px 10px; border-radius: var(--r-full);
  background: var(--c-success-50); color: var(--c-success-ink);
  font-size: var(--fs-xs); font-weight: 700; line-height: 1.3;
}
.hero__pulse { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--c-success); animation: dd-pulse 2.2s var(--ease) infinite; }
@keyframes dd-pulse {
  0% { box-shadow: 0 0 0 0 rgba(18, 161, 80, .45); }
  70% { box-shadow: 0 0 0 9px rgba(18, 161, 80, 0); }
  100% { box-shadow: 0 0 0 0 rgba(18, 161, 80, 0); }
}
.hero__title { margin-top: 16px; font-size: var(--fs-4xl); line-height: 1.04; letter-spacing: -.035em; max-width: 15ch; }
.hero__accent {
  display: block;
  background: linear-gradient(92deg, var(--c-primary) 0%, #4F7DFF 55%, #7A5CFF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead { margin-top: 14px; max-width: 56ch; font-size: var(--fs-md); line-height: 1.55; color: var(--c-ink-600); }
.hero__search { margin-top: 22px; max-width: 660px; }
.hero__search .search__input { font-size: var(--fs-base); }
@media (min-width: 768px) { .hero__search .search__input { font-size: var(--fs-md); } }
.hero__quick { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 12px; font-size: var(--fs-sm); color: var(--c-ink-500); }
.hero__quick-label { margin-right: 2px; }
.hero__quick-link {
  padding: 4px 11px; border-radius: var(--r-full);
  background: rgba(255, 255, 255, .85); border: 1px solid var(--c-line);
  color: var(--c-ink-700); font-weight: 600;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.hero__quick-link:hover { border-color: var(--c-primary-200); color: var(--c-primary); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.hero__actions .btn { flex: 1 1 auto; }
@media (min-width: 480px) { .hero__actions .btn { flex: 0 0 auto; } }
.hero__actions .btn--white { border-color: var(--c-line-strong); }

.hero__art { display: none; position: relative; min-height: 470px; }
@media (min-width: 1024px) { .hero__art { display: block; } }
.hero__orbit { position: absolute; left: 50%; top: 50%; width: 340px; height: 340px; margin: -170px 0 0 -170px; }
.hero__orbit::before, .hero__orbit::after { content: ""; position: absolute; border-radius: 50%; }
.hero__orbit::before { inset: 20px; border: 1.5px dashed var(--c-primary-200); animation: dd-spin 80s linear infinite; }
.hero__orbit::after { inset: 82px; background: radial-gradient(circle, rgba(255, 255, 255, .95) 0%, rgba(239, 244, 255, .6) 60%, transparent 72%); }
.hero__core {
  position: absolute; left: 50%; top: 50%; z-index: 1; width: 108px; height: 108px; margin: -54px 0 0 -54px;
  display: grid; place-items: center; border-radius: 32px; background: var(--c-surface); box-shadow: var(--sh-lg);
}
.hero__core .icon { --icon-size: 66px; }
.hero__bubble {
  position: absolute; z-index: 1; width: 62px; height: 62px; margin: -31px 0 0 -31px;
  display: grid; place-items: center; border-radius: 20px;
  background: var(--c-surface); color: var(--c-primary); box-shadow: var(--sh-md);
  animation: dd-float 6s var(--ease) infinite;
}
.hero__bubble .icon { --icon-size: 30px; }
.hero__bubble--1 { left: 227px; top: 31px; }
.hero__bubble--2 { left: 309px; top: 113px; animation-delay: -.8s; color: var(--c-accent-ink); }
.hero__bubble--3 { left: 309px; top: 227px; animation-delay: -1.6s; }
.hero__bubble--4 { left: 227px; top: 309px; animation-delay: -2.4s; color: var(--c-success-ink); }
.hero__bubble--5 { left: 113px; top: 309px; animation-delay: -3.2s; }
.hero__bubble--6 { left: 31px; top: 227px; animation-delay: -4s; color: var(--c-accent-ink); }
.hero__bubble--7 { left: 31px; top: 113px; animation-delay: -4.8s; }
.hero__bubble--8 { left: 113px; top: 31px; animation-delay: -5.6s; color: var(--c-success-ink); }
@keyframes dd-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
.hero__note {
  position: absolute; z-index: 2; display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .94); box-shadow: var(--sh-lg);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  font-size: var(--fs-xs); color: var(--c-ink-500); line-height: 1.3;
}
.hero__note strong { display: block; font-family: var(--font-head); font-size: var(--fs-lg); font-weight: 800; letter-spacing: -.02em; color: var(--c-ink); }
.hero__note small { display: block; font-size: var(--fs-xs); }
.hero__note--stock { right: 0; bottom: 0; flex-direction: column; align-items: flex-start; gap: 2px; }
.hero__note--ship { left: 0; top: 0; }
.hero__note--ship > .icon { --icon-size: 28px; color: var(--c-primary); }

/* 2. Home: sections ======================================================== */
/* Phones: «Часто шукають:» and «Підбір за 3 кроки» share the first row, chips scroll below. */
@media (max-width: 767.98px) {
  .home-quick { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 6px 12px; }
  .home-quick .chips--scroll { grid-column: 1 / -1; grid-row: 2; }
  .home-quick__picker { align-self: center; }
}
.home-benefits { padding-top: 14px; }
@media (min-width: 768px) { .home-benefits { padding-top: 20px; } }
.home-benefits .benefits { list-style: none; padding: 0; }
/* Below 1200px the hero promo tiles already carry two of the four benefits: keep the other two,
   compact on phones, so the category grid starts higher. */
@media (max-width: 1199.98px) {
  .home-benefits .benefits { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-benefits .is-dup { display: none; }
}
@media (max-width: 767.98px) {
  .home-benefits .benefit { flex-direction: row; align-items: center; gap: 10px; padding: 12px; }
  .home-benefits .icon-tile { --tile: 36px; }
  .home-benefits .benefit__text { display: none; }
}
.section-head__link { flex: none; white-space: nowrap; font-size: var(--fs-sm); }
.home-cats .cat-tile__stock { color: var(--c-success-ink); }
@media (max-width: 767.98px) { .home-cats .cat-tile__stock { display: none; } }
.home-cats__toggle { margin-top: 12px; }
@media (min-width: 640px) { .home-cats__toggle { display: none !important; } }
@media (max-width: 639.98px) {
  .js .home-cats:not(.is-expanded) .is-extra-sm { display: none; }
  .home-cats .cat-grid { gap: 8px; }
  .home-cats .cat-tile {
    display: grid; grid-template-columns: 30px minmax(0, 1fr); grid-template-rows: auto auto;
    align-items: center; column-gap: 12px; row-gap: 2px; min-height: 66px; padding: 12px;
  }
  .home-cats .cat-tile::after { display: none; }
  .home-cats .cat-tile__icon { grid-row: 1 / span 2; --icon-size: 28px; }
  .home-cats .cat-tile__name { margin-top: 0; align-self: end; font-size: var(--fs-sm); }
  .home-cats .cat-tile__count { align-self: start; }
}
.home-rail__nav { display: flex; gap: 8px; }
.home-rail .product-rail { padding-bottom: 16px; }

.cta-banner__eyebrow { color: #FFD08A; }
.cta-banner__title { margin-top: 8px; }
.cta-steps { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 16px; padding: 0; list-style: none; font-size: var(--fs-sm); font-weight: 650; color: rgba(255, 255, 255, .92); }
.cta-steps li { display: inline-flex; align-items: center; gap: 8px; }
.cta-steps span { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: rgba(255, 255, 255, .16); font-size: var(--fs-xs); font-weight: 800; }
.cta-banner .btn--accent { justify-self: start; }

.brand-chips { display: grid; gap: 8px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 640px) { .brand-chips { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .brand-chips { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.brand-chip {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  min-height: 52px; padding: 0 16px;
  border: 1px solid var(--c-line); border-radius: var(--r-md); background: var(--c-surface);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease-out);
}
.brand-chip:hover { border-color: var(--c-primary-200); box-shadow: var(--sh-sm); transform: translateY(-1px); }
.brand-chip__name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--font-head); font-weight: 750; color: var(--c-ink); }
.brand-chip:hover .brand-chip__name { color: var(--c-primary); }
.brand-chip__count { flex: none; font-size: var(--fs-xs); font-weight: 600; color: var(--c-ink-400); font-variant-numeric: tabular-nums; }

.home-about__grid { display: grid; gap: 24px; }
@media (min-width: 1024px) { .home-about__grid { grid-template-columns: minmax(0, 1fr) 360px; gap: 48px; align-items: start; } }
.home-about__text h2 { margin-top: 0; font-size: var(--fs-xl); }
.home-help {
  display: flex; flex-direction: column; gap: 12px; padding: 24px;
  border: 1px solid var(--c-line); border-radius: var(--r-xl); background: var(--c-surface); box-shadow: var(--sh-sm);
}
.home-help__icon { --tile: 48px; }
.home-help__title { font-size: var(--fs-lg); }
.home-help__text { font-size: var(--fs-sm); color: var(--c-ink-500); }

/* 3. Listing head ========================================================== */
.listing-head { display: flex; align-items: flex-start; gap: 14px; padding-block: 6px 18px; }
@media (min-width: 768px) { .listing-head { align-items: center; } }
.listing-head__icon { --tile: 48px; border-radius: 14px; }
.listing-head__mono {
  display: grid; place-items: center; flex: none; width: 48px; height: 48px; border-radius: 14px;
  background: var(--c-ink); color: #fff; font-family: var(--font-head); font-weight: 800; font-size: 1.5rem;
}
@media (min-width: 768px) {
  .listing-head__icon { --tile: 60px; border-radius: 18px; }
  .listing-head__mono { width: 60px; height: 60px; border-radius: 18px; font-size: 1.75rem; }
}
.listing-head__text { min-width: 0; }
.listing-head__title { font-size: var(--fs-2xl); }
@media (min-width: 1024px) { .listing-head__title { font-size: var(--fs-3xl); } }
.listing-head__sub { color: var(--c-ink-500); font-weight: 700; }
.listing-head__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; margin-top: 6px; font-size: var(--fs-sm); color: var(--c-ink-500); font-variant-numeric: tabular-nums; }
.listing-head__meta > span + span::before {
  content: ""; display: inline-block; width: 4px; height: 4px; margin-right: 10px; border-radius: 50%;
  background: var(--c-ink-300); vertical-align: middle;
}
.listing-head__stock { color: var(--c-success-ink); font-weight: 650; }

/* 4. Subcategories ========================================================= */
.subcats { margin-bottom: 22px; }
.subcats__grid { display: grid; gap: 8px; grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 0; list-style: none; }
@media (min-width: 768px) { .subcats__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .subcats__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; } }
@media (min-width: 1280px) { .subcats__grid { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.subcats__item { min-width: 0; }
.subcat {
  position: relative; display: flex; flex-direction: column; justify-content: flex-start; gap: 4px;
  height: 100%; min-height: 66px; padding: 10px 30px 10px 14px;
  border: 1px solid var(--c-line); border-radius: var(--r-md); background: var(--c-surface);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease-out);
}
.subcat:hover { border-color: var(--c-primary-200); box-shadow: var(--sh-sm); transform: translateY(-1px); }
.subcat__name {
  font-size: var(--fs-sm); font-weight: 650; line-height: 1.3; color: var(--c-ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.subcat:hover .subcat__name { color: var(--c-primary); }
/* Titles at the top, counts always stacked at the bottom: tiles in a row line up whatever the numbers. */
.subcat__meta { display: flex; flex-direction: column; margin-top: auto; font-size: var(--fs-xs); color: var(--c-ink-400); font-variant-numeric: tabular-nums; }
.subcat__stock { color: var(--c-success-ink); }
.subcat__arrow { position: absolute; right: 10px; top: 50%; margin-top: -8px; --icon-size: 16px; color: var(--c-ink-300); transition: transform var(--dur) var(--ease-out), color var(--dur) var(--ease); }
.subcat:hover .subcat__arrow { color: var(--c-primary); transform: translateX(2px); }
@media (max-width: 767.98px) { .js .subcats:not(.is-expanded) .is-extra-sm { display: none; } }
.subcats__toggle { margin-top: 10px; }
@media (min-width: 768px) { .subcats__toggle--sm { display: none !important; } }

/* 5. Listing: toolbar, chips, pager ======================================= */
.listing { position: relative; }
.listing__main { position: relative; min-width: 0; transition: opacity var(--dur) var(--ease); }
.listing.is-loading .listing__main { opacity: .5; pointer-events: none; }
.listing.is-loading .listing__main::after {
  content: ""; position: absolute; left: 50%; top: 120px; width: 34px; height: 34px; margin-left: -17px;
  border-radius: 50%; border: 3px solid var(--c-primary-100); border-top-color: var(--c-primary);
  animation: dd-spin .7s linear infinite;
}
.listing__toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 14px; }
.listing__filters-btn { --btn-h: 44px; --btn-px: 14px; }
.listing__filters-btn .badge { height: 20px; padding: 0 7px; }
.listing__count { margin-right: auto; font-size: var(--fs-sm); color: var(--c-ink-500); font-variant-numeric: tabular-nums; }
.listing__count strong { color: var(--c-ink); font-weight: 750; }
.listing__sort { display: flex; align-items: center; gap: 6px; min-width: 0; }
.listing__sort-label { display: grid; place-items: center; color: var(--c-ink-500); }
.listing__select { width: auto; min-height: 44px; padding: 8px 38px 8px 12px; font-size: var(--fs-sm); font-weight: 650; background-position: right 10px center; }
@media (max-width: 1023.98px) {
  .listing__toolbar { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .listing__count { grid-column: 1 / -1; order: 3; margin: 0; }
  .listing__sort-label { display: none; }
  .listing__select { width: 100%; }
}
@media (min-width: 1024px) { .listing__filters-btn { display: none; } }
.listing__chips { margin-bottom: 16px; }
.listing__reset { border-style: dashed; color: var(--c-ink-600); }
.listing__pager { display: flex; flex-direction: column; align-items: center; margin-top: 24px; }
.listing__more { width: min(100%, 360px); }
.listing__pager .pagination { margin-top: 18px; }

/* 6. Filters & facets ====================================================== */
.filters__title .badge { font-family: var(--font-body); }
.filters__form { display: flex; flex-direction: column; }
.filters__block { padding-block: 14px; border-bottom: 1px solid var(--c-line); }
.filters__stock { padding-top: 4px; }
.filters__switch { display: flex; flex-direction: row-reverse; justify-content: space-between; width: 100%; }
.filters__switch-count { margin-left: 4px; font-size: var(--fs-xs); font-weight: 600; color: var(--c-ink-400); font-variant-numeric: tabular-nums; }
.filters__submit { margin-top: 16px; }
.filters__foot .btn--lg { white-space: normal; }
@media (min-width: 1024px) {
  .filters.drawer--static-lg {
    position: sticky; top: calc(var(--header-row) + 16px);
    max-height: calc(100vh - var(--header-row) - 32px); overflow-y: auto; overscroll-behavior: contain;
    scrollbar-width: thin; scrollbar-color: var(--c-ink-300) transparent;
    border: 1px solid var(--c-line); border-radius: var(--r-lg); background: var(--c-surface);
  }
  .filters .drawer__head { padding: 16px 18px 4px; }
  .filters .drawer__title { font-size: var(--fs-lg); }
  .filters .drawer__body { padding: 0 18px 8px; }
}
/* No-JS fallback: the "Фільтри" link targets #filters. */
.filters:target { visibility: visible; pointer-events: auto; }
.filters:target .drawer__panel { transform: none; }
.filters:target .drawer__backdrop { opacity: 1; }

.facet { border-bottom: 1px solid var(--c-line); }
.facet:last-of-type { border-bottom: 0; }
.facet__head {
  display: flex; align-items: center; gap: 8px; padding: 14px 0;
  list-style: none; cursor: pointer; user-select: none;
  font-family: var(--font-head); font-size: var(--fs-sm); font-weight: 750; color: var(--c-ink);
}
.facet__head::-webkit-details-marker { display: none; }
.facet__head:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 6px; }
.facet__head--static { cursor: default; padding-bottom: 10px; }
.facet__title { flex: 1; min-width: 0; }
.facet__badge {
  display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 6px;
  border-radius: var(--r-full); background: var(--c-primary); color: #fff;
  font-family: var(--font-body); font-size: 11px; font-weight: 800;
}
.facet__chev { --icon-size: 18px; color: var(--c-ink-400); transition: transform var(--dur) var(--ease-out); }
.facet[open] > .facet__head .facet__chev { transform: rotate(180deg); }
.facet__body { min-width: 0; margin: 0; padding: 0 0 14px; border: 0; }
.facet__search { position: relative; margin-bottom: 8px; }
.facet__search .icon { position: absolute; left: 10px; top: 50%; margin-top: -8px; --icon-size: 16px; color: var(--c-ink-400); }
.facet__search .input { min-height: 38px; padding-left: 32px; }
.facet__list { display: flex; flex-direction: column; gap: 1px; padding: 0; list-style: none; }
.facet__check { display: flex; align-items: flex-start; width: calc(100% + 12px); margin-inline: -6px; padding: 6px; border-radius: var(--r-sm); transition: background-color var(--dur-fast) var(--ease); }
.facet__check:hover { background: var(--c-ink-50); }
.facet__label { flex: 1; min-width: 0; color: var(--c-ink-700); overflow-wrap: anywhere; }
.facet__check input:checked ~ .facet__label { color: var(--c-ink); font-weight: 650; }
.js .facet:not(.is-expanded) .facet__opt.is-extra { display: none; }
.js .facet.is-searching .facet__opt.is-extra { display: block; }
.facet.is-expanded .facet__list { max-height: 360px; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.facet__nothing { padding: 6px 0; font-size: var(--fs-sm); color: var(--c-ink-500); }
.facet__more { display: inline-flex; align-items: center; gap: 4px; margin-top: 6px; padding: 4px 0; font-size: var(--fs-sm); font-weight: 650; color: var(--c-primary); border-radius: 4px; }
.facet__more:hover { color: var(--c-primary-hover); }
.facet__more .icon { --icon-size: 16px; transition: transform var(--dur) var(--ease-out); }
.facet.is-expanded .facet__more .icon { transform: rotate(180deg); }

.price-range { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto; align-items: center; gap: 6px; }
.price-range__field { position: relative; display: block; min-width: 0; }
.price-range__hint { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); font-size: var(--fs-xs); color: var(--c-ink-400); pointer-events: none; }
.price-range__input { min-height: 40px; padding-left: 34px; padding-right: 6px; -moz-appearance: textfield; appearance: textfield; font-variant-numeric: tabular-nums; }
.price-range__input::-webkit-outer-spin-button, .price-range__input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.price-range__dash { color: var(--c-ink-400); }
.price-range__go { --btn-h: 40px; }

.related-cats { margin-top: var(--section-y); }
.related-cats__title { margin-bottom: 12px; font-size: var(--fs-lg); }
.chip--all { border-color: var(--c-primary-100); color: var(--c-primary); }
.seo-text {
  margin-top: var(--section-y); padding: clamp(20px, 1rem + 1.5vw, 36px);
  border: 1px solid var(--c-line); border-radius: var(--r-xl); background: var(--c-surface);
}
.seo-text .prose { max-width: 82ch; }
.seo-text .prose h2 { margin-top: 0; font-size: var(--fs-xl); }

/* 7. Catalog root ========================================================== */
.root-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 24px; }
.root-grid { display: grid; gap: var(--grid-gap); grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); align-items: start; }
.root-card {
  min-width: 0; padding: 8px 8px 12px; border: 1px solid var(--c-line); border-radius: var(--r-xl); background: var(--c-surface);
}
.root-card__head { display: flex; align-items: center; gap: 12px; padding: 10px; border-radius: var(--r-lg); transition: background-color var(--dur-fast) var(--ease); }
.root-card__head:hover { background: var(--c-primary-50); }
.root-card__icon { --tile: 48px; }
.root-card__titles { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.root-card__title { font-family: var(--font-head); font-size: var(--fs-md); font-weight: 750; line-height: 1.25; color: var(--c-ink); }
.root-card__meta { font-size: var(--fs-xs); color: var(--c-ink-500); font-variant-numeric: tabular-nums; }
.root-card__stock { color: var(--c-success-ink); }
.root-card__arrow { --icon-size: 18px; color: var(--c-ink-300); transition: transform var(--dur) var(--ease-out), color var(--dur) var(--ease); }
.root-card__head:hover .root-card__arrow { color: var(--c-primary); transform: translateX(3px); }
.root-card__list { padding: 4px 12px 0; list-style: none; }
.root-card__link { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-inline: -10px; padding: 7px 10px; border-radius: var(--r-sm); font-size: var(--fs-sm); color: var(--c-ink-700); }
.root-card__link:hover { background: var(--c-ink-50); color: var(--c-primary); }
.root-card__count { flex: none; font-size: var(--fs-xs); color: var(--c-ink-400); font-variant-numeric: tabular-nums; }
.root-card__more { display: inline-flex; align-items: center; gap: 4px; margin: 6px 12px 0; padding: 4px 0; font-size: var(--fs-sm); font-weight: 650; color: var(--c-primary); }

/* 8. Brands ================================================================ */
.brand-popular { margin-bottom: 28px; }
.brand-popular__title { margin-bottom: 12px; font-size: var(--fs-lg); }
.brand-popular__grid { display: grid; gap: 10px; grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 0; list-style: none; }
@media (min-width: 768px) { .brand-popular__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .brand-popular__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.brand-card {
  display: flex; align-items: center; gap: 12px; height: 100%; padding: 12px;
  border: 1px solid var(--c-line); border-radius: var(--r-lg); background: var(--c-surface);
  transition: box-shadow var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease);
}
.brand-card:hover { border-color: transparent; box-shadow: var(--sh-md); transform: translateY(-2px); }
.brand-card__mono {
  display: grid; place-items: center; flex: none; width: 44px; height: 44px; border-radius: 12px;
  background: var(--c-ink); color: #fff; font-family: var(--font-head); font-size: 1.25rem; font-weight: 800;
}
.brand-popular__grid li:nth-child(3n+2) .brand-card__mono { background: var(--c-primary); }
.brand-popular__grid li:nth-child(3n) .brand-card__mono { background: var(--c-accent); color: var(--c-ink); }
.brand-card__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.brand-card__name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--font-head); font-weight: 750; color: var(--c-ink); }
.brand-card__meta { font-size: var(--fs-xs); color: var(--c-ink-500); }
.letter-index { margin-bottom: 20px; padding: 8px; border: 1px solid var(--c-line); border-radius: var(--r-lg); background: rgba(255, 255, 255, .94); }
@media (min-width: 1024px) {
  .letter-index { position: sticky; top: calc(var(--header-row) + 10px); z-index: 5; box-shadow: var(--sh-sm); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
}
.letter-index__list { display: flex; flex-wrap: wrap; gap: 4px; padding: 0; list-style: none; }
.letter-index__link {
  display: grid; place-items: center; min-width: 38px; height: 38px; padding: 0 6px; border-radius: var(--r-sm);
  font-family: var(--font-head); font-weight: 750; color: var(--c-ink-700);
  transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.letter-index__link:hover { background: var(--c-primary-50); color: var(--c-primary); }
.brand-groups { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); align-items: start; }
.brand-group {
  display: flex; gap: 14px; padding: 16px; scroll-margin-top: calc(var(--header-row) + 84px);
  border: 1px solid var(--c-line); border-radius: var(--r-lg); background: var(--c-surface);
}
.brand-group__letter { flex: none; width: 36px; font-size: var(--fs-2xl); line-height: 1.1; color: var(--c-primary); }
.brand-group__list { display: flex; flex-direction: column; gap: 1px; flex: 1; min-width: 0; padding: 0; list-style: none; }
.brand-link { display: flex; justify-content: space-between; gap: 10px; margin-inline: -8px; padding: 6px 8px; border-radius: var(--r-sm); font-weight: 600; color: var(--c-ink-700); }
.brand-link:hover { background: var(--c-primary-50); color: var(--c-primary); }
.brand-link__count { font-size: var(--fs-xs); font-weight: 500; color: var(--c-ink-400); font-variant-numeric: tabular-nums; }
.brand-cats { margin-bottom: 16px; }
.brand-cats .chip .icon { color: var(--c-primary); }
.brand-cats .chip--active .icon { color: #fff; }

/* 9. Picker ================================================================ */
.picker { padding-top: 8px; transition: opacity var(--dur) var(--ease); }
.picker.is-loading { opacity: .55; pointer-events: none; }
.picker__head { max-width: 780px; }
.picker__title { margin-top: 8px; font-size: var(--fs-3xl); }
.picker__title:focus { outline: none; }
.picker__lead { margin-top: 8px; font-size: var(--fs-md); color: var(--c-ink-500); }
.picker__alert { margin-bottom: 16px; }

.stepper { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 22px 0 26px; padding: 0; list-style: none; }
.stepper__step { min-width: 0; }
.stepper__link {
  display: flex; align-items: center; gap: 10px; height: 100%; padding: 10px 12px;
  border: 1.5px solid var(--c-line); border-radius: var(--r-lg); background: var(--c-surface); color: var(--c-ink-500);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
a.stepper__link:hover { border-color: var(--c-primary-200); box-shadow: var(--sh-sm); }
.stepper__num {
  display: grid; place-items: center; flex: none; width: 30px; height: 30px; border-radius: 50%;
  background: var(--c-ink-100); color: var(--c-ink-500); font-family: var(--font-head); font-size: var(--fs-sm); font-weight: 800;
}
.stepper__num .icon { --icon-size: 16px; }
.stepper__text { display: flex; flex-direction: column; min-width: 0; line-height: 1.25; }
.stepper__label { font-size: var(--fs-2xs); font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.stepper__value { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--fs-sm); font-weight: 650; color: var(--c-ink); }
.stepper__step.is-current .stepper__link { border-color: var(--c-primary); background: var(--c-primary-50); box-shadow: 0 0 0 3px rgba(31, 91, 255, .08); }
.stepper__step.is-current .stepper__num { background: var(--c-primary); color: #fff; }
.stepper__step.is-done .stepper__num { background: var(--c-success); color: #fff; }
.stepper__step:not(.is-done):not(.is-current) .stepper__value { font-weight: 500; color: var(--c-ink-400); }
@media (max-width: 639.98px) {
  .stepper { gap: 6px; }
  .stepper__link { flex-direction: column; align-items: flex-start; gap: 6px; padding: 10px; }
  .stepper__num { width: 26px; height: 26px; }
}

.picker-grid { display: grid; gap: 10px; padding: 0; list-style: none; }
.picker-grid > li { min-width: 0; }
.picker-grid--types, .picker-grid--makes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.picker-grid--parts { grid-template-columns: minmax(0, 1fr); }
@media (min-width: 480px) { .picker-grid--parts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 640px) { .picker-grid--types, .picker-grid--makes { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 768px) { .picker-grid--parts { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1024px) {
  .picker-grid--types, .picker-grid--makes { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .picker-grid--parts { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.picker-tile {
  position: relative; display: flex; flex-direction: column; gap: 10px; height: 100%; padding: 16px;
  border: 1.5px solid var(--c-line); border-radius: var(--r-lg); background: var(--c-surface);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.picker-tile:hover { border-color: var(--c-primary); box-shadow: var(--sh-md); transform: translateY(-2px); }
.picker-tile:focus-visible { outline: none; box-shadow: var(--ring); }
.picker-tile__icon {
  display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px;
  background: var(--c-primary-50); color: var(--c-primary);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease-spring);
}
.picker-tile__icon .icon { --icon-size: 30px; }
.picker-tile:hover .picker-tile__icon { background: var(--c-primary); color: #fff; transform: scale(1.05); }
.picker-tile__mono {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: var(--c-ink); color: #fff; font-family: var(--font-head); font-size: 1.125rem; font-weight: 800;
}
.picker-tile__mono .icon { --icon-size: 20px; }
.picker-grid--makes li:nth-child(3n+2) .picker-tile__mono { background: var(--c-primary); }
.picker-grid--makes li:nth-child(3n) .picker-tile__mono { background: var(--c-accent); color: var(--c-ink); }
.picker-tile__name { font-size: var(--fs-sm); font-weight: 700; line-height: 1.3; color: var(--c-ink); overflow-wrap: anywhere; }
@media (min-width: 768px) { .picker-tile__name { font-size: var(--fs-base); } }
.picker-tile__count { margin-top: auto; font-size: var(--fs-xs); color: var(--c-ink-500); font-variant-numeric: tabular-nums; }
.picker-tile--any { border-style: dashed; background: var(--c-ink-50); }
@media (max-width: 639.98px) {
  .picker-tile--make {
    display: grid; grid-template-columns: 40px minmax(0, 1fr); grid-template-rows: auto auto;
    align-items: center; column-gap: 12px; row-gap: 0; padding: 12px;
  }
  .picker-tile--make .picker-tile__mono { grid-row: 1 / span 2; }
  .picker-tile--make .picker-tile__name { align-self: end; }
  .picker-tile--make .picker-tile__count { align-self: start; margin-top: 0; }
  .picker-grid--types .picker-tile { padding: 14px; gap: 8px; }
  .picker-grid--types .picker-tile__icon { width: 44px; height: 44px; border-radius: 14px; }
  .picker-grid--types .picker-tile__icon .icon { --icon-size: 26px; }
}
.picker-grid--makes .picker-tile--any .picker-tile__mono { background: var(--c-surface); color: var(--c-ink-600); box-shadow: inset 0 0 0 1px var(--c-line); }
.picker-tile--part { flex-direction: row; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; padding: 12px 16px; }
.picker-tile--part .picker-tile__count {
  flex: none; margin-top: 0; padding: 2px 8px; border-radius: var(--r-full);
  background: var(--c-ink-100); font-weight: 650; color: var(--c-ink-600);
}
.picker-tile--part.picker-tile--any { border-style: solid; border-color: var(--c-primary-100); background: var(--c-primary-50); }
.picker-tile--part.picker-tile--any .picker-tile__name { color: var(--c-primary-700); }
.picker-section { margin-top: 24px; }
.picker-section:first-of-type { margin-top: 0; }
.picker-section > .picker-section__title { margin-bottom: 12px; }
.picker-section__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; margin-bottom: 12px; }
.picker-section__title { font-size: var(--fs-lg); }
.picker-section__count { font-family: var(--font-body); font-size: var(--fs-sm); font-weight: 600; color: var(--c-ink-400); }
.picker-filter { position: relative; width: min(100%, 300px); }
.picker-filter .icon { position: absolute; left: 12px; top: 50%; margin-top: -9px; --icon-size: 18px; color: var(--c-ink-400); }
.picker-filter .input { padding-left: 38px; }
.picker-list { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; list-style: none; }
.picker-list__empty { margin-top: 12px; font-size: var(--fs-sm); color: var(--c-ink-500); }
.picker-help {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-top: 32px; padding: 16px 18px;
  border: 1px dashed var(--c-line-strong); border-radius: var(--r-lg); background: var(--c-surface);
}
.picker-help__text { flex: 1 1 240px; font-size: var(--fs-sm); color: var(--c-ink-600); }
.picker-result__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }

@media (prefers-reduced-motion: reduce) {
  .hero__bubble, .hero__orbit::before, .hero__pulse { animation: none; }
  .subcat:hover, .picker-tile:hover, .brand-card:hover, .brand-chip:hover { transform: none; }
}
@media print {
  .filters, .listing__toolbar, .listing__pager, .hero__art, .picker-help { display: none !important; }
  .layout-sidebar { display: block; }
}