@layer components {
  .activity-day + .activity-day {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
  }

  .activity-date {
    margin: 0 0 var(--spacing-md);
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--color-text-muted);
  }

  .activity-list {
    --activity-marker-size: var(--spacing-lg);
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .activity-item {
    position: relative;
    display: grid;
    grid-template-columns: var(--activity-marker-size) minmax(0, 1fr);
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
  }

  .activity-item:not(:last-child)::before {
    content: "";
    position: absolute;
    top: var(--activity-marker-size);
    bottom: 0;
    left: calc(var(--activity-marker-size) / 2);
    border-left: 1px solid var(--color-border);
  }

  .activity-item:last-child {
    padding-bottom: 0;
  }

  .activity-marker {
    --icon-size: var(--text-small);
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--activity-marker-size);
    height: var(--activity-marker-size);
    border: 1px solid currentColor;
    border-radius: 50%;
    color: var(--color-text-muted);
  }

  .activity-marker-failed {
    color: var(--color-negative);
  }

  .activity-marker-provider {
    border: none;
    background: var(--color-bg);
  }

  .activity-provider-logo {
    flex-shrink: 0;
    width: var(--activity-marker-size);
    height: var(--activity-marker-size);
    object-fit: contain;
  }

  .activity-marker-failed + .activity-content .activity-title {
    color: var(--color-negative);
  }

  .activity-content {
    font-size: var(--text-small);
    overflow-wrap: anywhere;
  }

  .activity-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--spacing-sm);
  }

  .activity-title {
    font-weight: 500;
  }

  .activity-actor {
    --icon-size: var(--text-small);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
    font-size: var(--text-x-small);
    color: var(--color-text-muted);
  }

  .activity-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: var(--spacing-lg);
    height: var(--spacing-lg);
    border-radius: 50%;
    background: var(--color-bg-secondary);
    color: var(--color-text);
    font-size: var(--text-x-small);
  }

  .activity-details {
    margin: var(--spacing-sm) 0 0;
    color: var(--color-text-muted);
    white-space: pre-wrap;
  }

  .activity-transition {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .activity-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text);
    font-size: var(--text-x-small);
  }

  .activity-time {
    flex-shrink: 0;
    font-size: var(--text-x-small);
    font-variant-numeric: tabular-nums;
    color: var(--color-text-muted);
  }
}