/* The parts hub (/shop-by-category, /parts) in the counter's look (docs/adr/0007): the store's page head, its section heads
   over each heading's categories, the categories as row tiles (small picture, name) in a ruled panel like the home's
   brands grid, the Shop by part chips as a jump row, the listing bar's In stock toggle as the Include universal products
   switch, and the store's note as the invitation to pick a vehicle.

   | Shop by Category                                     38 categories |
   | [x] Include universal products   The 12 categories with a part ... |
   | (Brake 2) (Also carried 10)                                        |
   | Brake                                                 2 categories |
   | +-----------------+-----------------+-----------------+----------+ |
   | | [pic] Disc Pads | [pic] Service   |                            | |

   Every colour, font and radius is a --parts-* token (tokens.css: a default each, a site's :root overrides).
   Every rule sits in @layer kit, between a site's base and site layers (tokens.css). */
@layer base, kit, site;

@layer kit {

.parts-hub {
  max-width: var(--parts-max);
  margin: 0 auto;
  padding: 16px var(--parts-gut) 48px;
  font: 400 14px/20px var(--parts-font);
  color: var(--parts-ink);
}

.parts-hub *,
.parts-hub *::before,
.parts-hub *::after {
  box-sizing: border-box;
}

/* ---------- the page head: the store's .pagehead ---------- */
.parts-hub__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.parts-hub__head h1 {
  margin: 0;
  font: 600 22px/28px var(--parts-font);
  letter-spacing: -.015em;
  color: var(--parts-ink);
}

.parts-hub__count {
  margin: 0;
  font: 400 12px/20px var(--parts-mono);
  color: var(--parts-fog);
}

/* ---------- the bar: the switch and the fitted view's note, or the invitation ---------- */
.parts-hub__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 16px;
}

.parts-hub__switch {
  display: contents;
}

/* the listing bar's In stock toggle: a bordered button with a drawn check, pressed in sand */
.parts-hub .parts-hub__toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  margin: 0;
  padding: 0 10px;
  border: 1px solid var(--parts-dove);
  border-radius: var(--parts-radius);
  background: var(--parts-bg);
  color: var(--parts-ink);
  font: 400 13px/1 var(--parts-font);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.parts-hub .parts-hub__toggle:hover {
  border-color: var(--parts-fog);
}

.parts-hub .parts-hub__toggle:focus-visible {
  outline: 2px solid var(--parts-focus);
  outline-offset: 2px;
}

.parts-hub .parts-hub__toggle i {
  position: relative;
  flex: none;
  width: 15px;
  height: 15px;
  border: 1px solid var(--parts-fog);
  border-radius: var(--parts-radius-check);
  background: var(--parts-bg);
}

.parts-hub .parts-hub__toggle[aria-pressed="true"] {
  border-color: var(--parts-ink);
  background: var(--parts-sand);
  font-weight: 500;
}

.parts-hub .parts-hub__toggle[aria-pressed="true"] i {
  border-color: var(--parts-ink);
  background: var(--parts-ink);
}

/* the check is drawn with two borders, so it takes the token and sits centred */
.parts-hub .parts-hub__toggle[aria-pressed="true"] i::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid var(--parts-bg);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* forced on when no category holds a fitted part: shown, never pressable */
.parts-hub .parts-hub__toggle:disabled {
  color: var(--parts-steel);
  border-color: var(--parts-dove);
  cursor: not-allowed;
}

.parts-hub .parts-hub__toggle:disabled i {
  border-color: var(--parts-fog);
  background: var(--parts-fog);
}

.parts-hub__note {
  margin: 0;
  font-size: 13px;
  color: var(--parts-steel);
}

.parts-hub__note b {
  font-weight: 600;
  color: var(--parts-ink);
}

/* the invitation: the store's .note, its link the store's .linkish */
.parts-hub__bar--prompt {
  padding: 10px 12px;
  border: 1px solid var(--parts-dove);
  border-radius: var(--parts-radius);
  background: var(--parts-cream);
}

.parts-hub__prompt {
  margin: 0;
  font-size: 13px;
  color: var(--parts-steel);
}

.parts-hub .parts-hub__prompt-link {
  color: var(--parts-ink);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--parts-dove);
  text-underline-offset: 3px;
}

.parts-hub .parts-hub__prompt-link:hover {
  text-decoration-color: var(--parts-ink);
}

/* ---------- the jump row: the home's Shop by part chips, one per heading ---------- */
.parts-hub__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.parts-hub .parts-hub__chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border-radius: var(--parts-radius-chip);
  background: var(--parts-sand);
  color: var(--parts-ink);
  font-size: 12.5px;
  text-decoration: none;
}

.parts-hub .parts-hub__chip:hover {
  background: var(--parts-sand-2);
}

.parts-hub__chip b {
  font: 400 11.5px var(--parts-mono);
  color: var(--parts-steel);
}

/* ---------- a heading: the store's section head over a ruled panel of tiles ---------- */
.parts-hub__group {
  margin-bottom: 28px;
  scroll-margin-top: 12px;
}

.parts-hub__group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.parts-hub__group-head h2 {
  margin: 0;
  font: 600 16px/22px var(--parts-font);
  letter-spacing: -.015em;
  color: var(--parts-ink);
}

.parts-hub__group-head span {
  font: 400 12px var(--parts-mono);
  color: var(--parts-fog);
}

/* The panel draws its own edge; every tile carries its right and bottom rule and the list is pulled 1px past the
   panel's right and bottom, so the outer rules hide under the edge and a short last row stops where the tiles stop. */
.parts-hub__tiles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(232px, 1fr));
  border: 1px solid var(--parts-dove);
  border-radius: var(--parts-radius-card);
  background: var(--parts-bg);
  overflow: hidden;
}

.parts-hub__tiles > li {
  display: flex;
  min-width: 0;
  margin: 0 -1px -1px 0;
  border-right: 1px solid var(--parts-dove);
  border-bottom: 1px solid var(--parts-dove);
}

.parts-hub .parts-hub__tile {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  min-height: 64px;
  padding: 8px 12px;
  color: var(--parts-ink);
  text-decoration: none;
}

.parts-hub .parts-hub__tile:hover {
  background: var(--parts-cream);
}

.parts-hub .parts-hub__tile:focus-visible {
  outline: 2px solid var(--parts-focus);
  outline-offset: -2px;
}

/* the listing row's thumbnail box */
.parts-hub__pic {
  flex: none;
  display: grid;
  place-items: center;
  width: 56px;
  height: 48px;
  overflow: hidden;
  border: 1px solid var(--parts-cream);
  border-radius: var(--parts-radius-photo);
  background: var(--parts-photo-bg);
}

.parts-hub__pic img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.parts-hub__tile--noimg .parts-hub__pic img {
  opacity: .55;
}

.parts-hub__name {
  min-width: 0;
  font-weight: 500;
  line-height: 18px;
  overflow-wrap: anywhere;
}

.parts-hub .parts-hub__tile:hover .parts-hub__name {
  text-decoration: underline;
}

.parts-hub__status {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--parts-dove);
  border-radius: var(--parts-radius);
  background: var(--parts-cream);
  color: var(--parts-steel);
  font-size: 13px;
}

/* ---------- a phone: two tiles a row, the picture smaller ---------- */
@media (max-width: 560px) {
  .parts-hub__head h1 {
    font-size: 19px;
    line-height: 24px;
  }

  .parts-hub__tiles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .parts-hub .parts-hub__tile {
    gap: 8px;
    min-height: 60px;
    padding: 6px 8px;
  }

  .parts-hub__pic {
    width: 44px;
    height: 40px;
  }

  .parts-hub__name {
    font-size: 13px;
    line-height: 17px;
  }
}

}