/* Control panel - vertical stack of grouped controls on a surface, the left
   column of two-pane work screens (e.g. STUDIO). Per design-system §5.23.
   Sections inside use FormField with an optional :number for the mono index. */

.control-panel {
  background: var(--color-bg-surface);
  border: var(--border-width) solid var(--color-border);
  padding: var(--space-6);
}