/* ==========================================================================
   CATALOG — filter row and product grid.

   The grid is a rack, not a row of floating cards: cells butt against one
   another and share a single 1px rule, drawn by overlapping card borders so
   a half-filled last row still reads correctly.
   ========================================================================== */

.catalog {
  padding-block: var(--section-y);
  border-bottom: var(--rule);
}

/* --- Section head --------------------------------------------------------- */
.catalog__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4) var(--sp-6);
  margin-bottom: clamp(var(--sp-6), 4vw, var(--sp-7));
}

.catalog__title {
  font-size: var(--fs-h2);
  text-transform: uppercase;
  letter-spacing: var(--tr-display);
}

.catalog__status {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
}

/* --- Filter pills --------------------------------------------------------- */
.catalog__filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: clamp(var(--sp-5), 3vw, var(--sp-6));
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0.6rem 1.1rem;
  border: var(--rule);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}

.pill:hover {
  color: var(--text);
  border-color: var(--rule-color-strong);
}

.pill__count {
  font-variant-numeric: tabular-nums;
  color: var(--text-faint);
  transition: color var(--dur-fast) var(--ease);
}

.pill[aria-pressed="true"] {
  background: var(--c-porcelain);
  border-color: var(--c-porcelain);
  color: var(--c-black);
}

.pill[aria-pressed="true"] .pill__count { color: rgba(0, 0, 0, 0.5); }

/* --- Grid ----------------------------------------------------------------- */
.catalog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
}

/* --- Card ----------------------------------------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  border: var(--rule);
  background: var(--bg);
  /* Overlap the neighbour so shared edges stay exactly 1px. */
  margin: 0 calc(var(--rule-width) * -1) calc(var(--rule-width) * -1) 0;
  contain: layout paint;
  transition: background var(--dur-base) var(--ease);
}

.card:hover { background: var(--bg-raised); }

.card__media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-bottom: var(--rule);
}

.card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.86;
  transform: scale(1.001); /* avoids a hairline seam on subpixel scaling */
  transition: opacity var(--dur-slow) var(--ease),
              transform var(--dur-slow) var(--ease);
}

.card:hover .card__image {
  opacity: 1;
  transform: scale(1.03);
}

/* Stock is a hairline flag, not a badge — it only appears when it matters. */
.card__stock {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  padding: 0.3rem 0.6rem;
  background: var(--bg);
  border: var(--rule-strong);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--fw-medium);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.card__stock[data-state="out"] {
  background: var(--accent);
  border-color: var(--accent);
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding: var(--sp-5);
}

.card__category {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--text-faint);
}

.card__title {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: var(--tr-tight);
  line-height: 1.05;
}

.card__price {
  margin-top: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.card__description {
  padding: 0 var(--sp-5) var(--sp-5);
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--text-muted);
  text-wrap: pretty;
}

/* --- Card actions ---------------------------------------------------------
   Two buttons sharing one row, split by a single hairline. */
.card__actions {
  display: grid;
  grid-template-columns: 1fr auto;
  margin-top: auto;
  border-top: var(--rule);
}

.card__action--details { border-left: var(--rule); }

.card__action--add[disabled] {
  color: var(--text-faint);
  cursor: not-allowed;
}

.card__action--add[disabled]:hover {
  color: var(--text-faint);
  background: transparent;
}

/* Held for a beat after a click so the acknowledgement is legible. */
.card__action--add[data-confirmed] {
  background: var(--c-porcelain);
  color: var(--c-black);
}

.card__action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tr-label);
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}

.card__action:hover {
  color: var(--c-black);
  background: var(--c-porcelain);
}

/* A drawn plus that becomes a minus when the panel is open. */
.card__action-glyph {
  position: relative;
  width: 11px;
  height: 11px;
  flex: none;
}

.card__action-glyph::before,
.card__action-glyph::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform var(--dur-base) var(--ease),
              opacity var(--dur-base) var(--ease);
}

.card__action-glyph::before {
  top: 5px; left: 0; right: 0;
  height: var(--rule-width);
}

.card__action-glyph::after {
  left: 5px; top: 0; bottom: 0;
  width: var(--rule-width);
}

.card__action[aria-expanded="true"] .card__action-glyph::after {
  transform: scaleY(0);
  opacity: 0;
}

.catalog__head-group { display: flex; flex-direction: column; gap: var(--sp-3); }