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…miss - Wire up <label for> / <input id> on TextField, ChoicePicker, DateTimeInput, Slider - Add aria-describedby, aria-invalid, error/helperText on all 5 input components - Dismiss error text client-side on user interaction (_interacted flag) - Fix GetElement() bug: use TryGetValue instead of GetValueOrDefault to avoid JsonElement default struct causing crash on GetRawText() - Add validation examples to gallery (both Python and .NET servers) - CSS: helper/error text styles, --error modifier classes - 24 new unit tests (249 total), 9 new Playwright E2E tests (36 total) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…avigation
- Add --a2ui-focus-ring and --a2ui-focus-offset CSS custom properties
- Add :focus-visible outline rules for Button, TextField, CheckBox,
ChoicePicker, DateTimeInput, Slider, and Tabs
- Fix TextField: replace :focus { outline: none } with proper :focus-visible ring
- 3 new Playwright E2E tests verifying focus indicators via computed styles
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Dark mode with prefers-color-scheme auto-detection and manual toggle button. Fix form inputs (TextField, ChoicePicker, DateTimeInput) to use CSS custom properties for background/color so they render correctly in dark mode. Add color-scheme: dark for native browser controls. Sample app CSS uses --a2ui-* variables for automatic theme switching. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
Complete v0.4.0 milestone — WCAG 2.1 AA accessibility and visual theming for the A2UI Blazor renderer.
<label>/forassociations,aria-describedby,aria-invalid,helperText/errorproperties on all 5 input components, error-clears-on-interaction behavior:focus-visiblerings on all 7 interactive components (Button, TextField, CheckBox, ChoicePicker, DateTimeInput, Slider, Tabs)prefers-color-schemedetection + manual toggle button with localStorage persistence. Form inputs use CSS custom properties for correct dark rendering.color-scheme: darkfor native browser controls (video scrubber, date pickers)--a2ui-*variables documented; sample app CSS usesvar()references for automatic theme switchingprefers-reduced-motion— disables all transitions and animations when user prefers reduced motion26 files changed, +1396 / -58. Test suite: 249 unit + 46 Playwright E2E, 0 warnings.
Test plan
dotnet build— 0 warningsdotnet test tests/A2UI.Blazor.Tests— 249 unit tests passdotnet test tests/A2UI.Blazor.Playwright— 46 E2E tests pass🤖 Generated with Claude Code