#mindmap-container {
  flex: 1;
  min-height: 400px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

#mindmap-container svg {
  width: 100%;
  height: 100%;
}

.mindmap-hint {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--color-muted);
}