Tema light ca bloc [data-theme="light"] peste variabilele :root (dark
nemodificat la octet). Comutator soare/luna in header pe toate paginile,
default OS-aware (prefers-color-scheme, fallback dark), persistenta in
localStorage doar la comutare explicita, script anti-FOUC in <head>
pre-paint. Suprafetele de stare hardcodate convertite la color-mix in
base.html + 7 fragmente _*.html (light lizibil, contrast WCAG AA).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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