/* -- Document Comments ------------------------------------------------ */
/* The comment column: scrolls on its own, cards tinted by their comment's  */
/* colour (the chart tokens), the marks in the document in the same colour, */
/* a quote flash in the search-highlight yellow (the literal Search Result   */
/* uses - the tokens have no highlight colour).                              */
@layer components {
  .doc-comments {
    --doc-comments-color: var(--muted-foreground);
    --doc-comments-flash: oklch(0.88 0.16 95);
    --doc-comments-width: 20rem;

    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    inline-size: var(--doc-comments-width);
    max-inline-size: 100%;
    block-size: 100%;
    overflow: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
    padding: 0.75rem;
    color: var(--foreground);
    font-size: 0.875rem;

    & > script { display: none; }

    & .doc-comments-head {
      position: sticky;
      inset-block-start: 0;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 0.5rem;
      margin-block: -0.75rem 0;
      padding-block: 0.75rem 0.5rem;
      background: var(--background);
    }
    & .doc-comments-title { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600; }

    & .doc-comments-list, & .doc-comments-replies { display: flex; flex-direction: column; gap: 0.75rem; margin: 0; padding: 0; list-style: none; }
    & .doc-comments-replies { margin-block-start: 0.75rem; padding-inline-start: 0.75rem; border-inline-start: 2px solid var(--border); }
    & .doc-comments-empty { margin: 0; color: var(--muted-foreground); }

    & .doc-comments-card {
      gap: 0;
      padding: 0.75rem;
      border-inline-start: 3px solid var(--doc-comments-color);
      scroll-margin-block: 3.5rem 1rem;
      transition: box-shadow 150ms ease, background-color 150ms ease;

      &[aria-current] { background: color-mix(in oklab, var(--doc-comments-color) 8%, var(--card)); box-shadow: 0 0 0 2px color-mix(in oklab, var(--doc-comments-color) 45%, transparent); }
      & .card-header, & .card-content, & .card-footer { padding: 0; }
      & .doc-comments-card-header { display: flex; flex-direction: row; align-items: center; gap: 0.5rem; margin-block-end: 0.5rem; }
      & .doc-comments-meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.375rem; min-inline-size: 0; }
      & .doc-comments-time { color: var(--muted-foreground); font-size: 0.75rem; }
      & .avatar-fallback { background: color-mix(in oklab, var(--doc-comments-color) 25%, var(--muted)); }

      & .doc-comments-anchor {
        display: block;
        inline-size: 100%;
        margin-block-end: 0.5rem;
        padding: 0.25rem 0.5rem;
        border: 0;
        border-inline-start: 2px solid var(--doc-comments-color);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        background: color-mix(in oklab, var(--doc-comments-color) 12%, transparent);
        color: var(--muted-foreground);
        font: inherit;
        font-size: 0.8125rem;
        text-align: start;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
        cursor: pointer;
        &:hover { color: var(--foreground); }
      }

      & .doc-comments-body { line-height: 1.5; overflow-wrap: anywhere; }
      & .doc-comments-body p { margin: 0; }
      & .doc-comments-body p + p { margin-block-start: 0.5em; }
      & .doc-comments-body code { padding: 0.1em 0.3em; border-radius: var(--radius-sm); background: var(--muted); font-family: var(--font-mono); font-size: 0.875em; }
      & .doc-comments-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }

      & .doc-comments-quote {
        display: grid;
        grid-template-columns: auto 1fr;
        column-gap: 0.5rem;
        inline-size: 100%;
        margin-block-start: 0.5rem;
        padding: 0.5rem;
        border: 1px dashed var(--border);
        border-radius: var(--radius-md);
        background: var(--muted);
        color: var(--foreground);
        font: inherit;
        font-size: 0.8125rem;
        text-align: start;
        cursor: pointer;
        & svg { color: var(--muted-foreground); margin-block-start: 0.1em; }
        & q { font-style: italic; quotes: "\201C" "\201D"; }
        & .doc-comments-quote-note { grid-column: 2; margin-block-start: 0.25rem; color: var(--muted-foreground); }
        & .doc-comments-quote-note p { margin: 0; }
        &:hover { border-color: var(--doc-comments-color); background: color-mix(in oklab, var(--doc-comments-flash) 25%, var(--muted)); }
      }

      & .doc-comments-actions { margin-block-start: 0.5rem; }
      & .doc-comments-actions .btn svg { margin-inline-end: 0.25rem; }
      & .doc-comments-reply { margin-block-start: 0.5rem; }
      & .doc-comments-reply[hidden] { display: none; }
    }

    &[data-color="chart-1"], & [data-color="chart-1"] { --doc-comments-color: var(--chart-1); }
    &[data-color="chart-2"], & [data-color="chart-2"] { --doc-comments-color: var(--chart-2); }
    &[data-color="chart-3"], & [data-color="chart-3"] { --doc-comments-color: var(--chart-3); }
    &[data-color="chart-4"], & [data-color="chart-4"] { --doc-comments-color: var(--chart-4); }
    &[data-color="chart-5"], & [data-color="chart-5"] { --doc-comments-color: var(--chart-5); }
  }

  /* the marks live in the document, outside the column */
  mark.doc-comments-mark {
    --doc-comments-color: var(--muted-foreground);
    padding-block: 0.1em;
    border-block-end: 2px solid var(--doc-comments-color);
    background: color-mix(in oklab, var(--doc-comments-color) 18%, transparent);
    color: inherit;
    cursor: pointer;
    transition: background-color 150ms ease;
    &:hover, &[data-current] { background: color-mix(in oklab, var(--doc-comments-color) 38%, transparent); }
    &[data-color="chart-1"] { --doc-comments-color: var(--chart-1); }
    &[data-color="chart-2"] { --doc-comments-color: var(--chart-2); }
    &[data-color="chart-3"] { --doc-comments-color: var(--chart-3); }
    &[data-color="chart-4"] { --doc-comments-color: var(--chart-4); }
    &[data-color="chart-5"] { --doc-comments-color: var(--chart-5); }
  }
  mark.doc-comments-flash {
    --doc-comments-flash: oklch(0.88 0.16 95);
    background: color-mix(in oklab, var(--doc-comments-flash) 75%, transparent);
    color: inherit;
    border-radius: 2px;
    animation: doc-comments-flash 1.6s ease-out both;
  }
  @keyframes doc-comments-flash {
    0%, 60% { background-color: color-mix(in oklab, var(--doc-comments-flash) 85%, transparent); }
    100% { background-color: transparent; }
  }

  @media (prefers-reduced-motion: reduce) {
    .doc-comments .doc-comments-card, mark.doc-comments-mark { transition: none; }
    mark.doc-comments-flash { animation: none; }
  }
  @media (prefers-contrast: more) {
    .doc-comments .doc-comments-card { border-inline-start-width: 4px; }
    mark.doc-comments-mark { border-block-end-width: 3px; }
  }
  @media (forced-colors: active) {
    mark.doc-comments-mark, mark.doc-comments-flash { background: Mark; color: MarkText; border-color: MarkText; }
    .doc-comments .doc-comments-card[aria-current] { outline: 2px solid Highlight; }
  }
}