.provenance-timeline {
  margin-top: var(--sp-space-2);
}

.provenance-timeline__list {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
  padding-left: 8px;
}

.provenance-timeline__list::before {
  content: '';
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--sp-color-border);
  border-radius: 1px;
}

.provenance-timeline__item {
  position: relative;
  padding-left: 28px;
  padding-bottom: var(--sp-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-radius-xs);
}

.provenance-timeline__item:last-child {
  padding-bottom: 0;
}

.provenance-timeline__item::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 3px;
  width: 14px;
  height: 14px;
  background: var(--sp-color-bg);
  border: 3px solid var(--sp-color-border);
  border-radius: 50%;
  z-index: 1;
}

.provenance-timeline__item:first-child::before {
  background: var(--sp-color-primary);
  border-color: var(--sp-color-primary);
}

.provenance-timeline__action {
  font-size: var(--sp-text-sm);
  font-weight: var(--sp-font-weight-semibold);
  color: var(--sp-color-text-primary);
  text-transform: capitalize;
}

.provenance-timeline__agent {
  font-size: var(--sp-text-xs);
  color: var(--sp-color-primary);
  opacity: 0.9;
}

.provenance-timeline__date {
  font-size: var(--sp-text-xs);
  color: var(--sp-color-text-secondary);
  font-family: var(--sp-font-mono);
}


@media (max-width: 768px) {
  .provenance-panel {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: none;
    height: auto;
    max-height: 70vh;
    border-left: none;
    border-top: 1px solid var(--sp-color-border);
    border-radius: var(--sp-radius-xl) var(--sp-radius-xl) 0 0;
    transform: translateY(100%);
  }

  .provenance-panel--open {
    transform: translateY(0);
  }

  .provenance-panel__header {
    border-radius: var(--sp-radius-xl) var(--sp-radius-xl) 0 0;
  }

  .provenance-panel__header::before {
    content: '';
    position: absolute;
    top: var(--sp-space-2);
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: var(--sp-color-border);
    border-radius: var(--sp-radius-full);
  }
}


@media (prefers-reduced-motion: reduce) {
  .provenance-icon .antenna {
    animation: none;
  }

  .provenance-robot-large .eye {
    animation: none;
  }

  .provenance-button,
  .provenance-panel,
  .provenance-backdrop {
    transition: none;
  }
}


.guide-card,
.content-card,
.related-card,
.featured-card {
  position: relative;
}


.guide-card .card-content,
.content-card .card-content,
.related-card .card-content {
  padding-bottom: calc(var(--sp-space-4) + 32px);
}