docs: add WCAG 2.2 AAA accessibility remediation design

Covers 147 issues across 8 sections: CSS foundation, modal system,
keyboard access, ARIA live regions, semantic structure, DOCX output,
template contrast validation, and miscellaneous fixes.
This commit is contained in:
TypoGenie
2026-02-18 23:11:05 +02:00
parent 32c9ab9e92
commit 3ab4432fcf
4 changed files with 212 additions and 189 deletions

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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
node_modules
dist
dist-ssr
*.local
# Editor directories and files
.vscode/*
!.vscode/extensions.json
.idea
.DS_Store
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?
_TRASH/

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AGENTS.md
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# TypoGenie - AI Coding Agent Guide
## Project Overview
TypoGenie is a web application that transforms Markdown content into professionally formatted Microsoft Word documents. Users upload `.md` or `.txt` files, select from 40+ typography styles across multiple categories (Minimalist, Corporate, Editorial, Tech, Creative, etc.), and download a formatted `.docx` file.
The application uses a local Markdown parser (marked) rather than AI for document conversion, though it was originally designed with AI integration in mind.
## Technology Stack
- **Framework**: React 19.2.4 with TypeScript 5.8.2
- **Build Tool**: Vite 6.2.0
- **Styling**: Tailwind CSS (loaded via CDN in `index.html`)
- **Icons**: Lucide React
- **Document Generation**: docx library (client-side DOCX creation)
- **Markdown Parsing**: marked library (local conversion, no API calls)
- **Fonts**: Google Fonts loaded dynamically
## Project Structure
```
├── App.tsx # Main application component with state machine
├── index.tsx # React root mount
├── index.html # HTML entry, Tailwind CDN, import maps
├── types.ts # TypeScript interfaces (StyleOption, DocxStyleConfig, etc.)
├── constants.ts # System prompts and style exports
├── components/
│ ├── FileUpload.tsx # Drag-and-drop file upload (.md, .txt)
│ ├── StyleSelector.tsx # Style grid with preview iframe
│ ├── Preview.tsx # Final preview and DOCX export
│ └── StylePreviewModal.tsx # (Unused) Modal style preview component
├── styles/ # Typography style definitions
│ ├── index.ts # Aggregates all style categories
│ ├── minimalist.ts # 11 minimalist styles
│ ├── corporate.ts # 13 corporate/professional styles
│ ├── editorial.ts # Editorial/magazine styles
│ ├── tech.ts # Tech/startup styles
│ ├── creative.ts # Creative/artistic styles
│ ├── vintage.ts # Retro/vintage styles
│ ├── lifestyle.ts # Lifestyle/blog styles
│ ├── academic.ts # Academic/research styles
│ └── industrial.ts # Industrial/technical styles
```
## Application State Flow
The app uses a 4-state machine defined in `types.ts`:
1. **UPLOAD** - Initial screen with file upload dropzone
2. **CONFIG** - Style selection interface with live preview
3. **GENERATING** - Processing animation (800ms artificial delay for UX)
4. **PREVIEW** - Final preview with DOCX download option
State transitions:
- UPLOAD → CONFIG: After file loaded successfully
- CONFIG → GENERATING: When user clicks "Apply Style & Convert"
- GENERATING → PREVIEW: After HTML generation completes
- PREVIEW → CONFIG: Via "Back to Editor" button
- Any → UPLOAD: Via header logo click (reset)
## Style System Architecture
Each style is a `StyleOption` object containing:
```typescript
{
id: string, // Unique identifier
name: string, // Display name
category: string, // For filtering (Minimalist, Corporate, etc.)
description: string, // Short description
vibe: string, // Mood/aesthetic descriptor
googleFontsImport: string, // Google Fonts URL
wordConfig: {
heading1: DocxStyleConfig, // H1 formatting for Word
heading2: DocxStyleConfig, // H2 formatting for Word
body: DocxStyleConfig, // Body text formatting for Word
accentColor: string // Brand accent color
},
previewCss: string // CSS string for web preview (must manually match wordConfig)
}
```
**Important**: `wordConfig` and `previewCss` must be kept in sync manually for visual fidelity between preview and exported document.
## Build Commands
```bash
# Install dependencies
npm install
# Development server (runs on port 3000)
npm run dev
# Production build (outputs to dist/)
npm run build
# Preview production build
npm run preview
```
## Environment Configuration
No environment variables required. The app uses local Markdown parsing only.
## Key Implementation Details
### DOCX Generation (components/Preview.tsx)
The DOCX export uses the `docx` library to create Word-compatible documents:
- Converts HTML to docx Paragraph elements
- Supports headings (h1-h6), paragraphs, blockquotes, lists
- Applies style-specific fonts, colors, spacing, borders, and shading
- Paper sizes: A4 (210mm × 297mm) and Letter (8.5in × 11in)
- Margins: 1in top/bottom, 1.2in left/right
### Preview System
Previews render in an iframe with dynamically injected:
- Google Fonts link from style config
- Style-specific CSS from `previewCss`
- Sample content for style selection view
- Actual converted content for final preview
### File Upload
Accepts: `.md`, `.txt`, `.markdown`
Uses FileReader API for client-side text extraction
Validates file extension before processing
## Code Style Guidelines
- **TypeScript**: Strict mode enabled; all components typed with React.FC
- **Imports**: Use `@/` path alias for project root imports
- **Styling**: Tailwind utility classes; custom CSS only in `previewCss` fields
- **Naming**: PascalCase for components, camelCase for functions/variables
- **Comments**: Explain business logic and non-obvious decisions
## Adding New Typography Styles
1. Choose appropriate category file in `/styles/` (or create new category)
2. Add StyleOption object to the array with:
- Unique `id`
- Google Fonts URL
- Complete `wordConfig` for DOCX export
- Matching `previewCss` for web preview
3. Export from `/styles/index.ts` if new category
4. Test both preview and DOCX export
## Security Considerations
- No server-side processing; all conversion happens client-side
- No API keys required; all processing is done locally
- File upload limited to text files by extension check
- iframe sandboxing for style previews (same-origin content only)
## Known Limitations
- `wordConfig` and `previewCss` require manual synchronization
- DOCX export has limited table support
- Complex Markdown (nested lists, code blocks) may not format perfectly
- Style categories are loosely organized and may overlap

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# WCAG 2.2 AAA Accessibility Remediation Design
**Date:** 2026-02-18
**Status:** Approved
**Scope:** 147 accessibility issues across 17 existing files, 3 new files
## Decisions
| Decision | Choice |
|----------|--------|
| Visual approach | Balance accessibility with dark aesthetic |
| Modals | Native `<dialog>` element |
| Style cards | Listbox pattern with existing `useFocusableList` hook |
| Template colors | Runtime contrast validation only, no JSON template edits |
| Justified text | Override to `left` at render time |
| Contrast enforcement | Auto-correct via `ensureContrast()` utility at render time |
## Section 1: CSS Foundation (~25 issues)
### Root font size
Change `:root { font-size: 16px }` to `font-size: 100%` in `index.css` so user browser preferences are respected.
### Overflow
Remove `overflow: hidden` from `body` and `#root`. Replace with `overflow-x: hidden` to prevent horizontal scroll but allow vertical content access when zoomed to 200%.
### Focus indicators
Replace `rgba(99, 102, 241, 0.3)` focus ring with `rgba(99, 102, 241, 0.8)` at 2px. Meets 3:1 contrast on dark backgrounds while fitting indigo theme.
### Reduced motion
Add global CSS rule:
```css
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
scroll-behavior: auto !important;
}
}
```
### Forced colors
Add `@media (forced-colors: active)` rules for Windows High Contrast Mode compatibility.
### Color replacements
Across all components: `text-zinc-600` -> `text-zinc-400`, `text-zinc-500` -> `text-zinc-400`. All text hits 7:1+ contrast on zinc-950. Keeps dark aesthetic.
## Section 2: Modal System (~20 issues)
### New `src/hooks/useDialog.ts`
Reusable hook wrapping native `<dialog>`:
- Manages `dialogRef`, `showModal()`/`close()`
- Restores focus to trigger element on close
- Wires `aria-labelledby`
- Framer Motion animations on inner content div
### KeyboardShortcutsHelp (App.tsx)
Convert from `motion.div` overlay to `<dialog>`. Add `aria-labelledby` to heading. Close button gets `aria-label="Close shortcuts"`. Escape/focus trap handled natively.
### ExportOptionsModal
Same `<dialog>` conversion. Radio buttons wrapped in `<fieldset><legend>`. Close button labeled.
### StylePreviewModal
Same `<dialog>` conversion. Close button labeled. Iframe HTML gets `lang="en"`.
### Animation approach
`dialog[open]` CSS selector for entrance. `::backdrop` gets fade-in. Framer Motion on inner content for exit.
## Section 3: Keyboard Access & Interactive Elements (~20 issues)
### Logo button
Replace `<motion.div onClick>` with `<motion.button aria-label="TypoGenie - Reset to home">`.
### Single-character shortcut
Scope `?`/`/` listener to only fire when `document.activeElement` is body or non-input element. Prevents intercepting typing in search.
### Style cards as listbox
Container: `role="listbox"` + `aria-label="Typography styles"`. Each card: `role="option"` + `tabIndex` + `aria-selected` + `onKeyDown`. Wire `useFocusableList` for arrow keys. Add `:focus-visible` indigo ring.
### Favorite button
Add `aria-label` (dynamic: "Add to favorites"/"Remove from favorites") + `aria-pressed`.
### Category filters
Wrap in `<div role="group" aria-label="Filter by category">`. Active button: `aria-pressed="true"`.
### Paper size buttons
Wrap in `<div role="group" aria-label="Paper size">`. Active button: `aria-pressed="true"`.
### Search input
Add `aria-label="Search templates"` + `aria-describedby` pointing to live result count region.
### Icon-only buttons
Add `aria-label` to all: zoom buttons, external link (Preview), close buttons. Decorative icons next to text: `aria-hidden="true"`.
### Target sizes
Increase padding on small buttons to hit 44x44px minimum. Use `min-w-[44px] min-h-[44px]` with centered content where inline growth not possible.
## Section 4: ARIA Live Regions & Status Announcements (~15 issues)
### Root status region
Persistent `<div role="status" aria-live="polite" className="sr-only">` in App.tsx root. Updated on `appState` changes.
### Generating state
Add `aria-busy="true"` + `role="status"` to container.
### Preview loading
Wrap "Loading..." in `role="status"`.
### Success message
`aria-live="polite"` on button text area for "Saved!" announcement.
### Search results
Visually-hidden `role="status"` announcing "{N} templates found". Debounced 300ms.
### Error fixes
- Remove `aria-live="polite"` where `role="alert"` already set (implies assertive)
- Remove 5-second auto-dismiss from FileUpload error
- Add `aria-describedby` linking FileUpload error to dropzone
- Template loading: `role="status"`. Template error: `role="alert"`
### Loading state
Replace `return null` with minimal `<div role="status">Loading TypoGenie</div>`.
## Section 5: Semantic Structure & Landmarks (~15 issues)
### Skip navigation
`<a href="#main-content" class="sr-only focus:not-sr-only">Skip to main content</a>` in index.html.
### Page title
`<title>TypoGenie - Markdown to Word Converter</title>`
### Noscript
`<noscript><p>TypoGenie requires JavaScript to run.</p></noscript>`
### Landmarks
- `id="main-content"` on `<main>` in both app states
- `<nav aria-label="Style filters">` around category buttons
- `<section aria-label="Style list">` and `<section aria-label="Style preview">` in StyleSelector
### Progress stepper
Wrap in `<nav aria-label="Progress"><ol>`. Active step: `aria-current="step"`.
### Shortcuts list
Convert to `<dl>` with `<dt>`/`<dd>`.
### Decorative elements
`aria-hidden="true"` on blob backgrounds, window-chrome dots, visual dividers.
### Iframe lang
Both Preview.tsx and StylePreviewModal.tsx: inject `<html lang="en">`.
## Section 6: DOCX Output Accessibility (~8 issues)
### Document metadata
Add `title` (from filename/first h1), `description`, `language` to Document constructor.
### Image handling
New `<img>` handler producing `[Image: {alt text}]` placeholder paragraph in italic.
### Table headers
Set `tableHeader: true` on `TableRow` containing `<th>` elements.
### Heading preservation in table mode
Add `HeadingLevel` to paragraph inside `processHeaderAsTable` table cells.
### Code block style
Add custom "Code" paragraph style to DOCX styles. Apply to code blocks.
## Section 7: Template Contrast Validation (~20 issues)
### New `src/utils/contrastUtils.ts`
- `hexToRgb(hex)` - parse hex to RGB
- `relativeLuminance(rgb)` - WCAG luminance formula
- `contrastRatio(color1, color2)` - ratio calculation
- `ensureContrast(fg, bg, minRatio)` - auto-correct foreground color until ratio met
### Integration in templateRenderer.ts
Run `ensureContrast()` on every text/background pair at CSS generation time. Body text: 7:1. Large text (18pt+ or 14pt+ bold): 4.5:1.
### `del` element fix
When resolving `del` color, if `border` palette color fails contrast, fall back to `textSecondary`.
### Justified text
Override `justify` to `left` at render time (1.4.8 AAA prohibits justified text).
### Line-height floor
Enforce minimum 1.5 for body text, 1.0 for headings. Clamp upward if template specifies lower.
## Section 8: Remaining Miscellaneous (~10 issues)
### Iframe keyboard
`tabIndex={-1}` on preview iframe in StyleSelector (passive preview, not interactive).
### Error boundary
New `src/components/ErrorBoundary.tsx` wrapping `<App />`. Renders accessible error with `role="alert"` on crash.
### Framer Motion reduced motion
Import `useReducedMotion` from `motion/react` in App.tsx. When true, disable infinite blob/gradient animations via conditional animate props.
### Hidden buttons on small screens
Add always-visible `<kbd>?</kbd>` hint regardless of breakpoint.
### Truncation
Add `title` attribute with full description on `line-clamp-2` elements.
## Files Modified (17)
`index.html`, `src/index.css`, `src/App.tsx`, `src/main.tsx`, `src/components/StyleSelector.tsx`, `src/components/Preview.tsx`, `src/components/ExportOptionsModal.tsx`, `src/components/StylePreviewModal.tsx`, `src/components/FileUpload.tsx`, `src/hooks/useSettings.ts`, `src/hooks/useTemplates.ts`, `src/services/templateRenderer.ts`, `src/utils/docxConverter.ts`, `src/utils/fontUtils.ts`
## Files Created (3)
`src/utils/contrastUtils.ts`, `src/hooks/useDialog.ts`, `src/components/ErrorBoundary.tsx`