/* STUB theme — replaced at T007 with real RTCK theme.
 * Per D004: theme.css only sets CSS custom properties; never overrides selectors.
 * Layout stays shared across instances.
 */
:root {
  --color-primary: #1a5fbf;
  --color-accent: #f59e0b;
  --color-bg: #ffffff;
  --color-fg: #0f172a;
  --font-display: system-ui, -apple-system, "Segoe UI", sans-serif;
}