/* ============================================================
   Catalog Archive & Category Pages
   ============================================================ */

.catalog-header {
  padding: clamp(2.5rem, 5vw, 4rem) 0 2rem;
  border-bottom: 1px solid var(--border);
}
.catalog-header-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.catalog-title { margin: 0; }
.catalog-count {
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* ── Filters ── */
.catalog-filters {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.filter-search-wrap { flex: 1; max-width: 320px; position: relative; }
.filter-search {
  width: 100%;
  padding: 0.625rem 1rem 0.625rem 2.5rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  transition: border-color var(--transition);
}
.filter-search:focus { outline: none; border-color: var(--gold); }
.filter-search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.filter-cats {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  list-style: none;
  margin: 0; padding: 0;
}
.filter-cat-btn {
  padding: 0.4375rem 1rem;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--surface);
  color: var(--text-muted);
  border: 1px solid var(--border);
  cursor: pointer;
  font-family: var(--font-body);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.filter-cat-btn:hover,
.filter-cat-btn.active {
  background: var(--gold);
  color: #0E0E10;
  border-color: var(--gold);
}

/* ── Grid ── */
.catalog-body { padding: clamp(2rem, 4vw, 3rem) 0 clamp(4rem, 8vw, 7rem); }
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem 1.5rem;
}

/* ── Loading State ── */
.catalog-grid.is-loading { opacity: 0.5; pointer-events: none; transition: opacity var(--transition); }
.catalog-loading-spinner {
  display: none;
  grid-column: 1 / -1;
  justify-content: center;
  align-items: center;
  padding: 4rem;
  color: var(--text-muted);
}
.catalog-loading-spinner.is-visible { display: flex; }

/* ── Empty State ── */
.catalog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 5rem 0;
  color: var(--text-muted);
}
.catalog-empty h3 { color: var(--text-muted); font-size: 1.5rem; }

/* ── Pagination ── */
.catalog-pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding-top: 3rem;
}
.pagination-btn {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  background: var(--surface);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  cursor: pointer;
  font-family: var(--font-body);
  transition: background var(--transition), color var(--transition);
}
.pagination-btn:hover, .pagination-btn.active { background: var(--gold); color: #0E0E10; border-color: var(--gold); }
.pagination-btn:disabled { opacity: 0.4; cursor: default; }

/* ── Responsive ── */
@media (max-width: 1280px) { .catalog-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px)  { .catalog-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem 1rem; } }
@media (max-width: 480px)  { .catalog-grid { grid-template-columns: 1fr; } }