@layer components {
  .activity-list,
  .activity-group {
    min-width: 0;
  }

  .activity-group + .activity-group {
    margin-top: var(--space-6);
  }

  .activity-group > h3 {
    min-height: var(--touch-target);
    display: flex;
    align-items: center;
    margin: 0;
    border-bottom: 1px solid var(--border-strong);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: var(--type-workbench-caption);
    font-weight: 650;
  }

  .activity-group > h3:empty {
    display: none;
  }

  .activity-row {
    width: 100%;
    min-height: calc(var(--touch-target) + var(--space-4));
    display: grid;
    grid-template-columns: var(--specimen-activity-date-width) var(--space-5) minmax(0, 1fr) auto;
    align-items: start;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border: 0;
    border-bottom: 1px solid var(--border-default);
    background: transparent;
    color: var(--text-primary);
    text-align: left;
  }

  .activity-row.is-actionable {
    cursor: pointer;
  }

  .activity-row.is-actionable:hover {
    background: var(--bg-hover);
  }

  .activity-row.is-actionable:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  .activity-row-date {
    display: grid;
    gap: var(--space-1);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: var(--type-workbench-caption);
  }

  .activity-row-date small {
    color: var(--text-muted);
    font-family: inherit;
  }

  .activity-row-icon {
    min-height: var(--space-5);
    display: grid;
    color: var(--accent);
    place-items: center;
  }

  .activity-row-icon .ui-icon {
    width: var(--space-4);
    height: var(--space-4);
  }

  .activity-row-content {
    min-width: 0;
    display: grid;
    gap: var(--space-1);
  }

  .activity-row-heading {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
  }

  .activity-row-heading strong {
    font-size: var(--type-workbench-body);
  }

  .activity-row-heading span {
    color: var(--warning);
    font-size: var(--type-workbench-meta);
    font-weight: 650;
  }

  .activity-row-content p {
    margin: 0;
    color: var(--text-secondary);
    overflow-wrap: anywhere;
    white-space: pre-line;
  }

  .activity-row-actions {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }

  .activity-row-actions .button {
    min-height: var(--touch-target);
  }

  .activity-media {
    width: min(100%, calc(var(--specimen-media-min-width) * 2));
    display: block;
    margin-top: var(--space-2);
  }

  .activity-empty {
    min-height: calc(var(--touch-target) * 2);
    display: grid;
    color: var(--text-muted);
    place-items: center;
    text-align: center;
  }
}