/* ===========================================
   Timeline Styles - Unified Design
=========================================== */
.doc-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4, 16px);
}

.doc-timeline-item {
  display: flex;
  gap: var(--sp-3, 12px);
  position: relative;
}

.doc-timeline-item:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 15px;
  bottom: -16px;
  width: 2px;
  background: var(--border-light, #e2e8f0);
}

.doc-timeline-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gray-50, #f9fafb);
  border: 1px solid var(--border-light, #e2e8f0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  z-index: 1;
  transition: all var(--tr-fast, 150ms ease);
}

.doc-timeline-icon.success {
  background: var(--success-50, #ecfdf5);
  border-color: var(--success-200, #bbf7d0);
  color: var(--success-600, #059669);
  font-weight: 600;
}

.doc-timeline-content {
  padding-top: 4px;
  flex: 1;
}

.doc-timeline-title {
  font-size: var(--text-base, 13px);
  font-weight: 600;
  color: var(--text-primary, #0f172a);
  margin-bottom: 2px;
}

.doc-timeline-meta {
  font-size: var(--text-xs, 11px);
  color: var(--text-secondary, #64748b);
  margin-top: 2px;
}