With the default theme now following the OS, Playwright renders the light
theme, where the previous light `--color-danger` (#c84d4d, ~3.9:1 on a
near-white surface) failed WCAG 1.4.3 on error text — caught by the axe
scan of the science designer's empty-name error. Darken light
`--color-danger` to #c0392b (~5.5:1 on white; white-on-danger fills stay
≥5:1). Dark theme unchanged.
Light has been signed off, so the theme store's default choice is now
`system` (it was `dark` during the incremental migration). This matches
the app.html pre-paint guard, which already resolved an unset choice via
prefers-color-scheme — removing the brief boot-time mismatch where the
store re-pinned dark. Users still pin light/dark via the account-menu
picker. Updates the store default + its test and the design-system /
finalize-plan docs.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Add the a11y foundation and bring login, lobby, and the in-game shell to
WCAG 2.2 AA:
- Primitives: .sr-only + .skip-link (base.css), trapFocus (modal focus
trap + restore) and restoreFocus (menu focus restore) actions, the
--color-focus visible ring.
- In-game shell: skip link + focusable main landmark; WAI-ARIA sidebar
tabs (roving tabindex, arrow/Home/End, tabpanel wiring); menu Escape +
focus restore (account / view / turn-navigator / map-toggles /
bottom-tabs); mail compose as a role=dialog modal with a focus trap.
- login / lobby / lobby-create: skip link + main landmark, field labels,
role=alert / role=status live regions.
- Map canvas: aria-label naming it a visual overview, with its data
reachable by keyboard via the sidebar inspector and tables (accessible
alternative; in-canvas keyboard nav deferred).
Gates (chromium-desktop): tests/e2e/a11y-axe.spec.ts scans every
top-level view for WCAG 2.2 AA violations (zero); a11y-keyboard.spec.ts
covers the skip link, menu Escape+restore, and tab roving. Adds
@axe-core/playwright. Docs: ui/docs/a11y.md (+ index). Marks F1 and F2
done in ui/PLAN-finalize.md.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Ilia Denisov