Use a cream/white background with navy message text and red buttons, so the
original red/white/blue livery presents blue text rather than white text on a
blue field.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Replace the body background gradient with the solid theme colour and remove
the now-unused --bg-accent variables from both colour schemes.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>