Ux

UX Designer Skill

Assist with all aspects of UX/UI design for web and mobile applications, from research and planning through high-fidelity mockups and interactive prototypes.

Quick Decision Tree

Need to design something? Use this guide:

Is this...
├─ Early exploration/concept validation? → Low-fidelity wireframe (text/ASCII)
├─ Structural validation with real content? → Mid-fidelity mockup (HTML/React basic)
├─ Final design for stakeholders/devs? → High-fidelity prototype (React interactive)
├─ Process or navigation flow? → User flow (Mermaid diagram)
├─ Planning/research phase? → Consult ux-research.md
└─ Iterating on existing design? → See Iteration Workflow below

Platform:

• Student/Guardian interface? → Mobile (iOS/Android)
• Teacher interface? → Web (desktop-first)

Pre-Design Checklist

Before starting ANY design work, complete these steps:

1. Understand Context

• [ ] What feature/screen/flow are we designing?
• [ ] For whom? (student/teacher/guardian/other)
• [ ] What platform? (iOS/Android/web)
• [ ] What problem does this solve for the user?

2. Determine Fidelity Level

• [ ] Is this early exploration? → Low-fidelity
• [ ] Validating structure? → Mid-fidelity
• [ ] Final design? → High-fidelity

3. Load Required References

• [ ] For mobile: Read references/mobile-patterns.md
• [ ] For web: Read references/web-patterns.md
• [ ] For research/planning: Read references/ux-research.md
• [ ] Always: Review component library section below

4. Check Accessibility Requirements

• [ ] Color contrast meets WCAG AA (4.5:1)
• [ ] Touch targets are adequate (44pt/48dp minimum)
• [ ] Keyboard navigation planned
• [ ] Screen reader compatibility considered
• [ ] Age-appropriate for educational context

5. Plan File Naming

• [ ] Use versioning convention: feature-name-v1.jsx, feature-name-v2.jsx
• [ ] Include fidelity in name if helpful: dashboard-wireframe.html, dashboard-hifi.jsx

Accessibility Requirements (CRITICAL)

Accessibility is non-negotiable. Every design must meet these standards:

Color & Contrast

• Normal text: 4.5:1 contrast ratio minimum (WCAG AA)
• Large text (18pt+): 3:1 contrast ratio minimum
• Never rely on color alone to convey information
• Provide visual alternatives (icons, patterns, labels)

Interaction

• Touch targets: 44x44pt (iOS) / 48x48dp (Android) minimum
• Keyboard navigation: All interactive elements must be keyboard-accessible
• Focus indicators: Visible focus states for all interactive elements
• Tap/click feedback: Visual confirmation of user actions

Content

• Clear labels: All inputs, buttons, and controls must have descriptive labels
• Error messages: Specific, actionable, and positioned near the relevant field
• Reading level: Age-appropriate language for educational context
• Screen readers: Use semantic HTML, ARIA labels where needed

Common Accessibility Mistakes to Avoid

• ❌ Low contrast text on colored backgrounds
• ❌ Small touch targets close together
• ❌ Auto-playing animations without pause control
• ❌ Form inputs without labels
• ❌ Error messages that only use color (red text with no icon/message)

Design Process Overview

Follow this workflow for design requests:

1. Complete pre-design checklist (above)
2. Understand the context: Clarify requirements with user if needed
3. Consult references: Load relevant platform patterns and design principles
4. Create the design: Use appropriate templates and follow platform conventions
5. Check accessibility: Verify all requirements are met
6. Annotate and explain: Provide context for design decisions

When to Use Which Approach

Low-Fidelity Wireframes

Purpose: Early exploration, rapid iteration, and structural planning

When to use:

• Brainstorming multiple layout options
• Validating information hierarchy
• Quick iteration before investing in details

Output:

• Text-based wireframe descriptions with ASCII art or structured layouts
• Focus on hierarchy, layout, and content organization
• No visual styling, just structure

Example request: "Sketch out the basic layout for..."

Mid-Fidelity Mockups

Purpose: Validating structure and flow with representative content

When to use:

• Structure is locked, but visual design is still flexible
• Testing with real content before polishing
• Developer preview of general structure

Output:

• HTML or React components with basic styling
• Use templates as starting point
• Representative content and interactions
• Still relatively simple styling

Example request: "Create a wireframe showing..."

High-Fidelity Interactive Prototypes

Purpose: Final validation, stakeholder presentation, and developer handoff

When to use:

• Final design approval needed
• Demonstrating complex interactions
• Developer handoff with specifications
• User testing with realistic prototype

Output:

• React components with full styling and interactions
• Use color, typography, real content
• Interactive states and transitions
• Based on templates from assets/

Example request: "Design an interactive mockup..." or "Create a prototype..."

Component Library Reference

Mobile Components (from assets/mobile-template.jsx)

Button

• Variants: primary, secondary, tertiary, destructive
• States: default, hover, active, disabled, loading
• Props: variant, disabled, fullWidth, icon, loading

Card

• Use for: Grouping related content, list items, content containers
• Props: clickable, elevated, padding

ListItem

• Use for: Scrollable lists, navigation items, settings options
• Components: icon, title, subtitle, action (chevron/switch/badge)
• Props: onPress, showDivider, disabled

ProgressBar

• Use for: Task completion, loading states, achievement progress
• Variants: linear, circular
• Props: progress (0-100), color, showLabel

Badge

• Variants: status (active/inactive), count, label
• Colors: primary, success, warning, danger, neutral
• Props: variant, color, text, count

Bottom Navigation (Tab Bar)

• Use for: Primary navigation (iOS-style)
• Max items: 5 (iOS), 3-5 (Android)
• Props: tabs, activeTab, onTabChange

Navigation Drawer (Android)

• Use for: Secondary navigation, menu items
• Props: items, onItemSelect, headerContent

Web Admin Components (from assets/web-admin-template.html)

Sidebar Navigation

• Use for: Primary navigation in admin interfaces
• Components: Section headers, nav items with icons, active states
• Collapsible on mobile

Header

• Components: Breadcrumbs, page title, action buttons
• Sticky positioning for persistent access

Metric Cards

• Use for: Dashboard KPIs, summary statistics
• Components: Value, label, trend indicator, icon
• Variants: default, success, warning, danger

Data Table

• Features: Sortable columns, row selection, pagination, actions column
• States: Loading, empty, error
• Props: columns, data, sortable, selectable, onRowClick

Form Components

• Input fields with labels and error states
• Select dropdowns
• Checkboxes and radio groups
• Date pickers
• File upload areas

Button Styles

• Variants: primary, secondary, tertiary, destructive, ghost
• Sizes: small, medium, large
• States: default, hover, active, disabled, loading

Platform-Specific Guidelines

Mobile Design (iOS & Android)

Required: Before designing mobile interfaces, consult references/mobile-patterns.md for:

• Platform-specific navigation patterns
• Standard components and conventions
• Touch targets and spacing
• Platform-appropriate interactions

Key considerations:

• Touch targets minimum 44x44pt (iOS) / 48x48dp (Android)
• Respect platform conventions (tab bar vs navigation drawer)
• Consider thumb zones for frequent actions
• Show loading, empty, and error states
• Design for one-handed use when possible
• Account for safe areas (notches, home indicators)

Mobile-specific states to design:

• Default/idle
• Loading/processing
• Empty state (no data)
• Error state (with recovery action)
• Success confirmation
• Pull-to-refresh
• Offline mode

Web Admin Design

Required: Before designing web interfaces, consult references/web-patterns.md for:

• Dashboard layout patterns
• Data table and visualization approaches
• Form patterns and validation
• Responsive breakpoints

Key considerations:

• Desktop-first for teacher admin tools
• Keyboard navigation and accessibility
• Efficient workflows for repetitive tasks
• Clear data hierarchy and filtering
• Responsive down to tablet (768px minimum)
• Persistent navigation and context

Web-specific patterns:

• Breadcrumb navigation
• Bulk actions with selection
• Inline editing for data tables
• Modal dialogs for focused tasks
• Toasts/notifications for feedback
• Export/download actions

Creating Designs

For Mobile Apps

Use the React template from assets/mobile-template.jsx as a starting point:

1. Copy the template structure
2. Customize the screen content for the specific use case
3. Modify colors if needed for branding
4. Add platform-specific components (tab bar, navigation, etc.)
5. Include relevant UI states (loading, empty, error)
6. Verify touch target sizes and spacing
7. Add accessibility annotations

File naming: feature-screen-v1.jsx (e.g., task-breakdown-v1.jsx)

For Web Admin

Use the HTML template from assets/web-admin-template.html as a starting point:

1. Copy the template structure
2. Customize the sidebar navigation for the specific admin sections
3. Modify the content area for the specific view (dashboard, detail page, etc.)
4. Add relevant tables, charts, or forms
5. Ensure responsive behavior
6. Test keyboard navigation flow

File naming: feature-view-v1.html (e.g., student-progress-v1.html)

Iteration Workflow

Handling Feedback and Design Revisions

When receiving feedback:

1. Document the feedback: List specific changes requested
2. Determine scope: Minor tweaks or major revision?
3. Version appropriately:

• Minor changes (color, spacing, copy): Update existing file, note changes in comments
• Major changes (layout, flow, features): Create new version file (v2, v3)

For comparison/decision:

• Create side-by-side variants: dashboard-option-a.jsx, dashboard-option-b.jsx
• Include pros/cons of each approach in comments or separate doc
• Highlight differences clearly

Version history approach:

• Keep previous versions for reference
• Add version notes at top of file:

`` // v2 - 2024-01-15 // Changes: Added bulk actions, improved error states, adjusted mobile layout // Feedback from: Teacher usability testing ``

Communication pattern:

• Present changes clearly: "I've updated the dashboard based on your feedback. The main changes are..."
• Highlight trade-offs: "I increased the button size for accessibility, which means we can fit 3 instead of 4 per row"
• Suggest next steps: "This addresses the navigation concern. Want to review the form validation next?"

User Research and Planning

When user needs help with research, planning, or information architecture, consult references/ux-research.md for:

• User persona templates
• User story formats
• User journey mapping
• Information architecture planning
• Sitemap structures
• Wireframing principles
• Design system planning

Design Deliverable Formats

Interactive Prototypes (React)

Use for: High-fidelity designs that need interactivity

Output:

• Create a single .jsx file with all components inline
• Include state management for interactions
• Add comments explaining key design decisions
• Show multiple states (default, hover, active, loading, error)

File naming: feature-name-v1.jsx

Static Mockups (HTML)

Use for: Presenting visual designs without complex interactivity

Output:

• Create a single .html file with inline CSS
• Use realistic content
• Include annotations as comments
• Show responsive layouts if relevant

File naming: feature-name-v1.html

User Flows (SVG or Mermaid)

Use for: Process flows and navigation structures

Output:

• Use Mermaid diagrams for text-based flow creation
• Include decision points, user actions, system responses
• Label transitions and conditions

File naming: feature-flow-v1.mermaid

Text-based Wireframes

Use for: Quick, low-fidelity exploration

Output:

• Use structured text with clear hierarchy
• ASCII art for layout visualization if helpful
• Bullet points for components and content
• Clear labeling of interactions

Can be in conversation or as .txt file

Educational App-Specific Patterns

When designing for the educational planning app context:

Student Views (mobile-first):

• Task breakdown interfaces with drag-and-drop or step-by-step wizards
• Calendar integration showing existing commitments
• Progress visualization (rings, bars, streaks)
• Gentle reminders and motivational elements
• Age-appropriate language and complexity
• Achievement/reward elements

Guardian Views (mobile-first):

• Overview dashboards showing student progress
• Alert mechanisms for missed deadlines
• Communication channels with students
• Simplified interfaces focusing on key metrics
• Notification preferences

Teacher Views (web-first):

• Assignment creation with templates and recurrence
• Class and group management
• Progress tracking dashboards with filtering
• Individual student drill-down views
• Bulk actions for efficiency
• Analytics and reporting

Design System Consistency

When creating multiple screens or components:

• Establish color palette early (primary, secondary, semantic colors)
• Define spacing scale (typically 8px or 4px base unit)
• Use consistent typography hierarchy
• Reuse components across screens
• Document any new patterns created
• Maintain consistent interaction patterns

Color palette structure:

• Primary: Main brand color
• Secondary: Supporting actions
• Semantic: Success (green), Warning (yellow), Danger (red), Info (blue)
• Neutrals: Grays for text, borders, backgrounds

Spacing scale example:

• 4px: Tight spacing (icon-to-label)
• 8px: Component padding, small gaps
• 16px: Default spacing between elements
• 24px: Section spacing
• 32px+: Major layout spacing

Common Pitfalls to Avoid

Design Mistakes

• ❌ Inconsistent spacing: Use the spacing scale, don't eyeball it
• ❌ Too many font sizes: Stick to 4-5 sizes max (heading, body, caption, etc.)
• ❌ Unclear hierarchy: Users should know what to look at first
• ❌ Missing states: Always design loading, empty, error, and success states
• ❌ Platform confusion: Don't mix iOS and Android patterns
• ❌ Ignoring real content: "Lorem ipsum" hides length/formatting issues

Interaction Mistakes

• ❌ Invisible touch areas: Small icons without adequate tap targets
• ❌ No feedback: User actions should have immediate visual response
• ❌ Unclear CTAs: Primary action should be visually obvious
• ❌ Hidden navigation: Users shouldn't have to guess where to go next
• ❌ Modal overload: Too many popups/modals disrupt flow

Accessibility Mistakes

• ❌ Poor contrast: Test all text colors against backgrounds
• ❌ Tiny text: Minimum 16px for body text on mobile
• ❌ Close touch targets: Leave 8px+ between tappable elements
• ❌ No labels: Every input needs a visible label
• ❌ Color-only indicators: Pair color with icons or text

Process Mistakes

• ❌ Designing in a vacuum: Validate assumptions early with user
• ❌ Over-designing too early: Start low-fidelity, add polish later
• ❌ Not considering edge cases: What if there's no data? 100 items?
• ❌ Ignoring technical constraints: Check feasibility with developer
• ❌ *

…

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: tomas-u
• Source: tomas-u/claude-skills
• License: MIT

Install and usage instructions live in the source repository linked above.