# TODO 18 - Accessibility (a11y)

## Semantic HTML

- [ ] Audit all components for proper semantic markup
- [ ] Add ARIA landmarks to page layouts
- [ ] Implement proper heading hierarchy
- [ ] Add skip navigation links
- [ ] Use semantic form elements

## ARIA Support

- [ ] Add ARIA labels to interactive elements
- [ ] Implement ARIA live regions for dynamic content
- [ ] Add proper ARIA roles to custom components
- [ ] Implement ARIA states for toggleable elements
- [ ] Add ARIA descriptions for complex interactions

## Keyboard Navigation

- [ ] Ensure all interactive elements are focusable
- [ ] Implement proper tab order
- [ ] Add keyboard shortcuts for common actions
- [ ] Implement focus management for modals
- [ ] Add visible focus indicators

## Screen Reader Support

- [ ] Test with screen readers (NVDA, VoiceOver, JAWS)
- [ ] Add alt text to all images
- [ ] Implement proper table accessibility
- [ ] Add screen reader announcements for state changes
- [ ] Create accessible error messages

## Color & Contrast

- [ ] Audit color contrast ratios (WCAG 2.1 AA)
- [ ] Add high contrast mode support
- [ ] Ensure information isn't conveyed by color alone
- [ ] Add focus indicators with sufficient contrast
- [ ] Support user color preferences

## Form Accessibility

- [ ] Add labels to all form fields
- [ ] Implement accessible form validation
- [ ] Add clear error messaging
- [ ] Support autocomplete attributes
- [ ] Implement proper fieldset grouping

## Testing

- [ ] Add automated accessibility testing (axe-core)
- [ ] Implement accessibility CI checks
- [ ] Create accessibility testing documentation
- [ ] Add manual testing procedures
- [ ] Create accessibility regression tests

## Documentation

- [ ] Create accessibility guidelines
- [ ] Document keyboard shortcuts
- [ ] Add accessibility statement
- [ ] Document component accessibility features
- [ ] Create accessibility checklist for PRs
