# UI UX Design

> UI/UX design systems, Figma workflows, accessibility checklists, browser-based visual audit with automated screenshots, component specification patterns, and design-to-code handoff procedures. Use when designing interfaces, creating design systems, auditing accessibility, reviewing existing UI via browser screenshots, specifying components, or preparing design handoff for developers.

- Skill: `majiayu000/ui-ux-design-3` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add majiayu000/ui-ux-design-3`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/ui-ux-design-3/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Design & Media
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/ui-ux-design-3

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# UI/UX Design

Systematic UI/UX design skill with design system creation guides, Figma workflow patterns, accessibility audit checklists, browser-based visual audit procedures, and design-to-code handoff templates. Produces consistent, accessible, conversion-optimized interfaces.

## When to Use

- Creating or extending a design system (tokens, components, patterns)
- Designing new pages, features, or user flows
- Auditing existing UI for accessibility compliance
- Preparing design specifications for developer handoff
- Setting up Figma project structure and workflows
- Reviewing existing UI via automated browser screenshots and heuristic analysis
- Reviewing UI components against heuristics and platform guidelines

## When NOT to Use

- Writing page content or copy (use `content-creation` skill)
- Implementing frontend code (use `Agent(frontend-engineer)` role)
- Conducting SEO audits (use `/seo-review` workflow)
- Writing technical documentation (use `/docs` workflow)

## Design System Creation

### Step 1: Audit Existing UI

Before creating a design system:

1. **Screenshot inventory**: Capture all existing screens and components
2. **Pattern extraction**: Identify recurring colors, typography, spacing, components
3. **Inconsistency map**: Document where the same concept is implemented differently
4. **Priority matrix**: Rank components by frequency of use × inconsistency severity

### Step 2: Define Foundations

Build from the ground up:

| Foundation | What to Define | Token Naming |
|---|---|---|
| **Color** | Brand, semantic, neutral, overlay palettes | `color-{category}-{shade}` |
| **Typography** | Font families, size scale, weights, line heights | `font-{property}-{size}` |
| **Spacing** | Base unit (4px or 8px), scale | `spacing-{size}` |
| **Border radius** | Scale from none to full | `radius-{size}` |
| **Elevation** | Shadow levels | `shadow-{level}` |
| **Motion** | Duration, easing curves | `motion-{property}-{variant}` |
| **Breakpoints** | Viewport thresholds | `breakpoint-{name}` |

### Step 3: Build Components

Follow Atomic Design progression:

1. **Atoms**: Button, Input, Label, Icon, Badge, Avatar, Checkbox, Radio, Toggle
2. **Molecules**: Input Group, Search Bar, Card, Dropdown, Tooltip, Alert, Breadcrumb
3. **Organisms**: Header, Footer, Sidebar, Form, Data Table, Modal, Navigation

For each component, document:
- **Variants**: Primary, secondary, outline, ghost, destructive
- **Sizes**: xs, sm, md, lg, xl
- **States**: Default, hover, focus, active, disabled, loading, error
- **Accessibility**: ARIA role, keyboard behavior, screen reader announcement
- **Responsive**: Behavior at each breakpoint
- **Do / Don't**: Usage examples and anti-patterns

### Step 4: Document and Maintain

- Publish component library with live examples
- Version with semantic versioning
- Changelog for every update
- Deprecation notices with migration guides

See `design-system-checklist.md` for the full creation checklist.

## Figma Workflow

See `figma-workflow.md` for detailed Figma project setup, component organization, Auto Layout patterns, and developer handoff procedures.

### Quick Reference

| Figma Concept | Code Equivalent |
|---|---|
| Auto Layout | Flexbox / CSS Grid |
| Component variants | React props / variant configs |
| Design tokens (Variables) | CSS custom properties |
| Constraints | CSS positioning / responsive rules |
| Component instances | React component usage |

## Accessibility Audit

See `accessibility-checklist.md` for the comprehensive WCAG 2.2 AA audit checklist.

### Quick Audit (5-Minute Check)

1. **Tab through the page** — can you reach and operate every interactive element?
2. **Zoom to 200%** — does content reflow without horizontal scrolling?
3. **Check contrast** — do all text elements meet 4.5:1 (normal) / 3:1 (large)?
4. **Screen reader test** — do headings, landmarks, and alt text make sense?
5. **Keyboard-only** — can you complete the primary task without a mouse?

## Design-to-Code Handoff Template

When handing off designs to developers, provide:

```
## Component: [Name]

### Visual Spec
- Dimensions: [width × height or fluid]
- Spacing: [padding, margin in token values]
- Colors: [background, text, border in token values]
- Typography: [font, size, weight, line-height in token values]
- Border: [width, style, color, radius in token values]
- Shadow: [elevation token]

### Variants
- [variant-name]: [visual differences]

### States
- Default: [spec]
- Hover: [changes from default]
- Focus: [focus indicator spec]
- Active: [changes]
- Disabled: [opacity, cursor, interaction]

### Responsive Behavior
- Mobile (< 640px): [layout changes]
- Tablet (640–1024px): [layout changes]
- Desktop (> 1024px): [default layout]

### Interactions
- [trigger] → [animation: property, duration, easing]

### Accessibility
- Role: [ARIA role if not implicit]
- Keyboard: [key bindings]
- Screen reader: [announcement text]

### Code Reference
- Component: `<ComponentName variant="..." size="..." />`
- Tokens: `--token-name: value`
```

## Integration

- **Follows rules**: `Agent(ui-ux-designer)` (design principles, accessibility, design systems)
- **Used by workflows**: `/ui-ux-design` (primary), `/feature-dev` (UI features)
- **Companion resources**: `design-system-checklist.md`, `figma-workflow.md`, `accessibility-checklist.md`, `visual-audit-checklist.md`