Consolidate UI colors behind CSS custom properties; fix design drift

Phase 1 of the design-contract conformance cleanup. Add a canonical
:root token block (single source of truth, mirroring
design/tokens.tokens.json) to public/index.html's stylesheet and migrate
the whole <style> block to var(--token); give public/auth.html its own
subset :root and migrate it too.

Fix all color + weight drift across every surface (stylesheet, inline
styles, JS handlers, the SHARE_PAGE_CSS export):
- legacy indigos #6366f1/#4f46e5/#4338ca + rgba(99,102,241) ->
  #818cf8/#a5b4fc/rgba(129,140,248)
- blue #3b82f6 interactive buttons (incl. the whole auth screen) -> indigo
- legacy darks #0a0e17/#0b1120/#020617/#121828/#1f2942 -> the surface ladder
- #f5f9ff -> #f1f5f9, #312e81 -> #1e293b, weights 650->600 / 680->700

The meta theme-color stays a literal #0a0e1a. Verified: 144 tests pass,
both pages serve 200, all var() references resolve. Phase 2 (var-ifying
the long-tail inline styles, snapping off-scale font/radius) is in
ROADMAP.md.
This commit is contained in:
Keysat
2026-06-16 23:36:42 -05:00
parent 1741fb11a5
commit 211287aed5
4 changed files with 488 additions and 433 deletions
+408 -370
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