@layer components {
  /* Public topic directory (/c) — compact rows on the post grid's columns, each row one link. */
  .category-directory {
    display: grid;
    gap: var(--inline-space);
    grid-template-columns: 1fr;
    margin-block: var(--block-space-double);
    padding: 0;
    list-style: none;
  }
  @media (min-width: 36rem) {
    .category-directory { grid-template-columns: repeat(2, 1fr); }
  }
  @media (min-width: 48rem) {
    .category-directory { grid-template-columns: repeat(3, 1fr); }
  }
  .category-directory__item {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--inline-space-half) var(--inline-space);
    block-size: 100%;
    padding: var(--block-space-half) var(--block-space);
    color: var(--color-text);
    background: var(--color-surface-raised);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color var(--transition);
  }
  .category-directory__item:hover { border-color: var(--color-border-strong); text-decoration: none; }
  .category-directory__name {
    font-family: var(--font-display);
    font-size: var(--text-medium);
    font-weight: 600;
  }
  .category-directory__item:hover .category-directory__name { color: var(--color-brand-strong); }
  .category-directory__count {
    margin-inline-start: auto;
    color: var(--color-muted);
    font-size: var(--text-small);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
  }
  .category-directory__desc { flex-basis: 100%; color: var(--color-muted); font-size: var(--text-small); }
  .category-directory__empty { margin-block: var(--block-space-double); color: var(--color-muted); }

  /* Category archive (/c/:slug) — the breadcrumb (see breadcrumb.css), then optional
     sub-topic tags, above the post grid. */
  .category__count { margin-block: calc(-1 * var(--block-space-half)) 0; color: var(--color-muted); font-size: var(--text-small); }
  .category__description { margin-block: var(--block-space); }
  .category__subtopics { margin-block-end: var(--block-space-double); }
}