- Add Nord-aligned gender colors: frost blue (nord9) for male,
aurora purple (nord15) for female, in both light and dark mode
- Override plugin CSS with !important to ensure theme takes effect
- Dark mode: white names (nord6), lighter dates/subtitle (nord4),
dark card backgrounds, themed bio tooltip and zoom controls
- Increase subtitle font size from 9px to 10px for readability
- Unify all connector line colors to use --color-border consistently