@layer components {
  /* On the page a list is a panel of its own. Inside a surface that already is one, it lies flat. */
  :is(.panel, .record, .project__sheet, .tool__panel, .paper__section, .suggestions__list, .messages-sidebar__pane),
  .rows .rows {
    --rows-border-size: 0;
    --rows-border-radius: 0.5em;
    --rows-shadow: none;
  }

  .rows {
    list-style: none;
    margin-block: var(--rows-margin, var(--block-space));
    padding: var(--rows-padding, var(--inline-space-half));
    background-color: var(--rows-bg, var(--color-canvas));
    border: var(--rows-border-size, 1px) solid var(--color-ink-lighter);
    border-radius: var(--rows-border-radius, 1em);
    box-shadow: var(--rows-shadow, var(--shadow));

    .panel & {
      --rows-bg: var(--color-ink-lightest);
    }

    &:not(:has(.row:not([hidden]))) {
      --rows-bg: transparent;
      --rows-border-size: 0;
      --rows-padding: 0;
      --rows-shadow: none;
    }

    @media print {
      --rows-border-size: 0;
      --rows-shadow: none;
    }
  }

  .row {
    --row-padding-block: calc(var(--block-space-half) / 2);

    display: flex;
    align-items: center;
    gap: var(--inline-space);
    margin: 0;
    padding-inline: var(--inline-space);
    border-radius: 0.5em;
    line-height: var(--leading-snug);
    outline: none;

    &[aria-selected="true"] {
      background-color: var(--color-ink-lightest);
    }

    @media (any-hover: hover) {
      &:has(> a.row__body:hover, > form > button.row__body:hover) {
        background-color: var(--color-ink-lightest);
      }
    }

    /* A title alone keeps the half block, or its row would be little more than the line. */
    &:where(:not(:has(.row__meta:not(:empty)))) {
      --row-padding-block: var(--block-space-half);
    }

    &[hidden] {
      display: none;
    }
  }

  /* A group of rows inside a list, under a header of its own. */
  .rows__group {
    --rows-margin: 0;
    --rows-padding: 0;

    padding-block-end: var(--block-space-half);
  }

  .rows__group-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--inline-space-half) var(--inline-space);
    padding: var(--block-space-half) var(--inline-space);
  }

  .rows__group-title {
    flex: 1 1 auto;
    min-inline-size: 0;
  }

  /* A row under the one above it, as a subcontractor under the firm that hired it. */
  .row--nested {
    padding-inline-start: calc(var(--inline-space) + var(--depth, 0) * var(--inline-space-double));
  }

  /* What a nested row hangs from. Typing in the filter can leave the row without the one above it, so the indent
     goes and the row says it. */
  .row__meta--nested {
    display: none;
  }

  [data-filtering] {
    .row--nested[data-quick-find-target~="item"] {
      padding-inline-start: var(--inline-space);
    }

    .row__meta--nested {
      display: block;
    }
  }

  /* A form opened in place under a row, indented as the rows it adds. */
  .rows__form {
    padding-inline: calc(var(--inline-space) + var(--depth, 0) * var(--inline-space-double)) var(--inline-space);
  }

  .row--inactive {
    color: var(--color-ink-dark);
  }

  .row__body {
    display: flex;
    flex-direction: column;
    flex: 0 1 auto;
    min-width: 0;
    padding-block: var(--row-padding-block);
    color: inherit;
    text-decoration: none;

    &:last-child {
      flex-grow: 1;
    }
  }

  button.row__body {
    align-items: flex-start;
    background: none;
    border: 0;
    border-radius: 0;
    font-weight: inherit;
    padding-inline: 0;
    text-align: start;

    &:enabled:hover {
      background: none;
    }
  }

  .row__title,
  .row__meta {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .row__title {
    font-weight: bold;
  }

  .row__meta {
    color: var(--color-ink-dark);
    font-size: var(--text-small);
  }

  .row__title--wrap,
  .row__meta--wrap {
    overflow: visible;
    overflow-wrap: anywhere;
    white-space: normal;
  }

  .row .separator--horizontal {
    min-inline-size: 1rem;

    @container layout (inline-size < 640px) {
      display: none;

      & + .row__end {
        margin-inline-start: auto;
      }
    }
  }

  .row__end {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: var(--inline-space);
    color: var(--color-ink-dark);
    font-size: var(--text-small);
    white-space: nowrap;
  }

  .row[aria-selected="true"] .chip {
    background-color: var(--color-canvas);
  }

  @media (any-hover: hover) {
    .row:has(> a.row__body:hover, > form > button.row__body:hover) .chip {
      background-color: var(--color-canvas);
    }
  }

  /* In a narrow column a chip that would leave the title a few letters goes under it instead. */
  @container layout (inline-size < 640px) {
    .row:has(> .row__end > .chip) {
      flex-wrap: wrap;
      row-gap: 0.25em;
      padding-block-end: var(--row-padding-block);

      > .row__body {
        flex: 1 1 10rem;
        padding-block-end: 0;
      }

      > .row__body .row__meta {
        overflow: visible;
        overflow-wrap: anywhere;
        white-space: normal;
      }

      > .row__end {
        margin-inline-start: 0;
      }
    }
  }
}