/* -- 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;
    }
  }
}