12 SCSS files (1167 lines) replaced by centralized index.css with
Tailwind v4 @theme tokens, @layer components, and utility classes.
Game panel design system (gp-*) preserved as CSS components.
Inline styles in Settings/Login/MilestoneBar converted to Tailwind utilities.
sass removed from dependencies. Build clean, 53 tests pass.
- Suppression Hud.jsx + HUDON/HUDOFF.svg (cockpit header fait le même job)
- Retrait toggle HUD de la navbar + props isVisible
- Compteur click-zone : glow vert, plus gros, lisible sur fond sombre
- Tooltip sur le bouton bulles navbar