Web Design Guidelines

When to Use

• UI code review
• Accessibility audit
• Design consistency check
• UX best practices verification

Command Triggers

• "Review UI"
• "Check accessibility"
• "Design audit"
• "Verify best practices"

Categories

ARIA Labels

- All interactive elements have labels
- Proper role attributes
- aria-live for dynamic content
- Descriptive aria-describedby

Focus States

- Visible focus indicators
- Logical focus order
- Focus trapping in modals
- Skip links for navigation

Form Validation

- Inline error messages
- Accessible error announcements
- Clear input requirements
- Proper label associations

Animations

- Respect prefers-reduced-motion
- Meaningful animations only
- Performance-optimized transforms
- No animation on load

Typography

- Readable font sizes (16px min)
- Proper line height (1.5+)
- Sufficient color contrast
- Responsive text scaling

Images

- Alt text for all images
- Decorative images marked
- Responsive images
- Lazy loading implemented

Performance

- Minimize layout shifts
- Optimize largest contentful paint
- Reduce time to interactive
- Efficient CSS selectors

Navigation

- Keyboard accessible
- Clear current state
- Consistent patterns
- Breadcrumbs where needed

Dark Mode

- System preference detection
- Smooth transitions
- Consistent color tokens
- Image adjustments

Touch Interaction

- Minimum 44px touch targets
- Appropriate spacing
- Gesture alternatives
- Haptic feedback consideration

i18n

- RTL support
- Text expansion room
- Locale-aware formatting
- Translation-ready strings

Execution Flow

1. Scan UI components
2. Check against category rules
3. Report violations
4. Suggest fixes

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