/* ============================================================
   Product catalog — page-scoped extensions (product.html only)
   Follows the Steel & Signal tokens in style.css (:root vars).
   Adds: toolbar (search + live count), category chips, group
   labels, per-item identification lists, constraint tags,
   scope notes and an accessible empty state.
   ============================================================ */

/* ---------- toolbar: search + count ---------- */

/* Grid item may shrink below content min-width, so the nowrap chip row
   scrolls horizontally instead of widening the products-layout track. */
[data-product-view] {
  min-width: 0;
}

.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-bottom: 16px;
}

.catalog-search {
  position: relative;
  flex: 1 1 280px;
  max-width: 420px;
}

.catalog-search input {
  width: 100%;
  padding: 11px 14px;
  font-size: 14px;
  color: var(--text, #1a2a3a);
  background: var(--bg-white, #ffffff);
  border: 1px solid var(--border, #d8d4ce);
  border-radius: var(--r, 2px);
}

.catalog-search input:focus {
  outline: none;
  border-color: var(--accent, #c8a97e);
  box-shadow: 0 0 0 3px rgba(200, 169, 126, 0.18);
}

.catalog-search input::placeholder {
  color: var(--muted, #6b7b8a);
}

.catalog-count {
  margin: 0;
  font-size: 13px;
  color: var(--muted, #6b7b8a);
}

/* ---------- category chips (real links, preserved routes) ---------- */
.catalog-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.catalog-chip {
  display: inline-block;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--secondary, #3d4f5f);
  background: var(--bg-white, #ffffff);
  border: 1px solid var(--border, #d8d4ce);
  border-radius: 999px;
  transition: color var(--t-fast, 0.2s ease), border-color var(--t-fast, 0.2s ease),
    background var(--t-fast, 0.2s ease);
}

.catalog-chip:hover {
  color: var(--primary, #1a2a3a);
  border-color: var(--accent, #c8a97e);
}

.catalog-chip:focus-visible {
  outline: 2px solid var(--accent, #c8a97e);
  outline-offset: 2px;
}

.catalog-chip.is-active {
  color: #ffffff;
  background: var(--primary, #1a2a3a);
  border-color: var(--primary, #1a2a3a);
}

/* ---------- card extensions ---------- */
.catalog-card__main {
  min-width: 0;
}

.catalog-card__group {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-dark, #b08d5f);
}

.product-card .catalog-card__identify {
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px dashed var(--border, #d8d4ce);
}

.catalog-card__identify h4 {
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted, #6b7b8a);
}

.catalog-card__identify ul {
  display: grid;
  gap: 4px;
}

.catalog-card__identify li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--secondary, #3d4f5f);
}

.catalog-card__identify li::before {
  content: '\25B8';
  position: absolute;
  left: 0;
  color: var(--accent, #c8a97e);
}

.catalog-card__note {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted, #6b7b8a);
}

.catalog-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.catalog-tag {
  padding: 3px 8px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted, #6b7b8a);
  background: var(--bg, #f5f3f0);
  border: 1px solid var(--border, #d8d4ce);
  border-radius: 3px;
}

/* ---------- category scope notes (inside cat banner) ---------- */
.cat-banner__conditions {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border, #d8d4ce);
}

.cat-banner__conditions ul {
  display: grid;
  gap: 5px;
}

.cat-banner__conditions li {
  position: relative;
  padding-left: 14px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted, #6b7b8a);
}

.cat-banner__conditions li::before {
  content: '\2022';
  position: absolute;
  left: 0;
  color: var(--accent, #c8a97e);
}

/* ---------- subgroup headings (single-category view) ---------- */
.catalog-subgroup {
  margin-bottom: 32px;
}

.catalog-subgroup__title {
  padding-bottom: 8px;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted, #6b7b8a);
  border-bottom: 1px solid var(--border, #d8d4ce);
}

/* all-products category groups keep their rhythm */
.product-group {
  margin-bottom: 40px;
}

/* ---------- accessible empty state ---------- */
.catalog-empty {
  padding: 48px 24px;
  text-align: center;
  background: var(--bg-white, #ffffff);
  border: 1px dashed var(--border, #d8d4ce);
  border-radius: var(--r, 2px);
}

.catalog-empty__title {
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary, #1a2a3a);
}

.catalog-empty__text {
  max-width: 60ch;
  margin: 0 auto 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted, #6b7b8a);
}

.catalog-empty__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* ---------- filtering helper ---------- */
.is-hidden {
  display: none !important;
}

/* ---------- responsive ---------- */
@media (max-width: 767px) {
  .catalog-toolbar {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .catalog-search {
    max-width: none;
  }

  .catalog-chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
    margin-bottom: 20px;
  }

  .catalog-chip {
    white-space: nowrap;
  }

  .catalog-empty {
    padding: 36px 16px;
  }
}