.header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.8125rem;
}

.summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.duration {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ── Correlation chain ────────────────────────────────────────────────────── */

.chain {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding-top: 8px;
  margin-top: 4px;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.chainLabel {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-right: 4px;
}

.chainNode {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-size: 11px;
  font-family: var(--font-mono);
  cursor: pointer;
  background: var(--bg-surface);
  color: var(--text-secondary);
  transition: all 0.12s;
}

.chainNode:hover {
  border-color: var(--text-faint);
  background: var(--bg-hover);
}

.chainNodeCurrent {
  background: var(--amber-bg);
  border-color: var(--amber-light);
  color: var(--amber-deep);
  font-weight: 600;
}

.chainNodeSuccess {
  border-left: 3px solid var(--success);
}

.chainNodeError {
  border-left: 3px solid var(--error);
}

.chainNodeRunning {
  border-left: 3px solid var(--running);
}

.chainNodeWarning {
  border-left: 3px solid var(--warning);
}

.chainMore {
  color: var(--text-muted);
  font-size: 11px;
  font-style: italic;
}