@layer components {
  /* Record history / audit events. A continuous rail runs from the first bullet
     to the last; the dots sit on top of it. */
  .timeline { }

  .event {
    display: grid;
    grid-template-columns: 12px 1fr;
    column-gap: var(--space-3);
    padding-bottom: var(--space-4);
  }
  .event:last-child { padding-bottom: 0; }

  .event__marker { position: relative; }

  /* The rail — full cell height, extended into the gap to meet the next dot. */
  .event__marker::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: calc(-1 * var(--space-4));
    width: 1.5px;
    transform: translateX(-50%);
    background: var(--rule);
  }
  .event:first-child .event__marker::before { top: 10px; }      /* start at first dot */
  .event:last-child .event__marker::before { bottom: auto; height: 10px; } /* stop at last dot */

  /* The dot — opaque, so it punctuates the rail. */
  .event__marker::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 5px;
    width: 11px;
    height: 11px;
    transform: translateX(-50%);
    background: var(--surface-raised);
    border: 1.5px solid var(--ink-4);
    border-radius: 50%;
  }
  .event__marker--accent::after { background: var(--accent); border-color: var(--accent); }

  .event__meta { font-size: var(--text-xs); color: var(--ink-3); }
  .event__text { font-size: var(--text-sm); }

  /* Per-field change rows under the event headline, mirroring the .field grid. */
  .event__changes { margin-block: var(--space-1); font-size: var(--text-sm); }
  .event__change { display: grid; grid-template-columns: 9.5rem 1fr; gap: var(--space-3); padding-block: 1px; }
  .event__change dt { color: var(--ink-3); }
}