/*
 * Collection root is a single div.dali-collection with an extra layout class
 * (grid | row | row-border | title). Inside a grid, use a direct child with class .title for the heading row.
 * min-width helps inside flex parents; percentage grid tracks use this box’s width.
 */
div.dali-collection {
  min-width: 0;
  width: 100%;
}

/*
 * Responsive grid: 1–3 columns from layout width.
 * Track minimum is min(100%, max(minimum-col, one-third of row minus gaps)) so the first
 * column can always shrink to the full row on narrow containers.
 */
div.dali-collection.grid {
  --dali-collection-grid-gap: 1rem;
  --dali-collection-grid-min-col: 15rem;
  /* ~1200px at 16px root; rem tracks user font-size settings (unlike px). */
  --dali-collection-grid-max-width: 75rem;
  box-sizing: border-box;
  display: grid;
  width: 100%;
  max-width: min(var(--dali-collection-grid-max-width), 100%);
  gap: var(--dali-collection-grid-gap);
  grid-template-columns: repeat(
    auto-fit,
    minmax(
      min(
        100%,
        max(
          min(100%, var(--dali-collection-grid-min-col)),
          calc((100% - 2 * var(--dali-collection-grid-gap)) / 3)
        )
      ),
      1fr
    )
  );
}

/* Grid items default to min-width: auto, which can force extra columns; allow shrinking to one column. */
div.dali-collection.grid > * {
  min-width: 0;
}

/* Single column on small viewports. */
@media (max-width: 31.5rem) {
  div.dali-collection.grid {
    grid-template-columns: 1fr;
  }
}

/* Vertical stack with capped width; scrolls vertically when content exceeds max-height. */
div.dali-collection.row,
div.dali-collection.row-border {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 42rem;
  width: 100%;
  max-height: min(70vh, 36rem);
  overflow-y: auto;
  overflow-x: hidden;
}

/* Same as .row with a frame around the scroll region. */
div.dali-collection.row-border {
  padding: 0.75rem;
  border: 1px solid color-mix(in oklab, currentColor 18%, transparent);
  border-radius: 0.375rem;
}

/*
 * Title: light blue bar, larger type.
 * — title on the collection root only (no .grid on the same root).
 * — inside a grid: a direct child with .title (must be a grid item so grid-column applies).
 */
div.dali-collection.title:not(.grid) {
  box-sizing: border-box;
  width: 100%;
  max-width: none;
  padding: 0.65rem 1rem;
  background: oklch(0.96 0.04 245);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.35;
}

div.dali-collection.grid > .title {
  grid-column: 1 / -1;
  box-sizing: border-box;
  padding: 0.65rem 1rem;
  background: oklch(0.96 0.04 245);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.35;
}