/* traceability 页 traceability-phase-nav 模块样式（自 page-traceability.css 按业务边界抽出） */
.traceability-redesign .phase-nav {
  background: var(--wk-gray-bg);
  border-radius: var(--wk-radius);
  padding: var(--wk-space-md) var(--wk-space-1);
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--wk-space-sm);
  margin: var(--wk-space-1) auto var(--wk-space-2);
  max-width: 900px;
  border: 1px solid var(--wk-border-soft);
}
.traceability-redesign .phase-nav-item {
  font-size: var(--wk-text-md);
  font-weight: 600;
  color: var(--wk-text-secondary);
  padding: var(--wk-space-sm) var(--wk-space-1);
  border-radius: var(--wk-radius-20);
  background: transparent;
  transition: 0.2s;
  cursor: default;
}
.traceability-redesign .phase-nav-item.active { background: var(--wk-brand); color: var(--wk-white); }
.traceability-redesign .phase-nav-item .emoji { margin-right: var(--wk-space-sm); }
.traceability-redesign .phase-nav-arrow { color: var(--wk-border-mid); font-size: var(--wk-text-lg); }