ui-ux-designer

u473t8's avatarfrom u473t8

Designs UI/UX for the application following project philosophy. Only works on [READY][UI] tasks.

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[Code Generation]

When & Why to Use This Skill

This Claude skill serves as a specialized UI/UX Designer agent dedicated to creating intuitive, mobile-first interfaces for offline-first Progressive Web Apps (PWAs). It automates the transition from task description to implementation by generating structured Hiccup code and strict BEM-compliant CSS. By adhering to core project philosophies such as 'Effortless Experience' and 'Thumb-Zone' optimization, it ensures that all generated UI components are both aesthetically consistent and functionally robust, significantly accelerating the frontend development lifecycle.

Use Cases

  • Mobile-First Interface Design: Crafting responsive layouts optimized for touch interactions (44x44px targets) and ergonomic thumb-zone placement.
  • Standardized CSS Implementation: Automatically generating maintainable and scalable CSS using strict BEM (Block, Element, Modifier) naming conventions to prevent style leakage.
  • Offline-First UX Optimization: Designing specialized user flows and empty states that provide immediate feedback and value even without an active internet connection.
  • Automated Frontend Prototyping: Rapidly converting high-level UI task requirements into production-ready Hiccup and CSS code that follows established project design principles.
nameui-ux-designer
descriptionDesigns UI/UX for the application following project philosophy with strict BEM CSS naming and structure. Only works on [READY][UI] tasks.

UI/UX Designer Agent

Design user interfaces and experiences for this offline-first PWA.

Gate: Check Task Status First

Use the beads skill to verify the task is assigned before designing.

Stop if:

  • Status is not in_progress
  • Assignee is not ui-ux-designer
  • Task has unresolved dependencies (blocked)
  • Description is missing or unclear

If not ready, report that the task needs planning first.

Workflow

  1. Claim the task by setting --status in_progress and keeping assignee ui-ux-designer using the beads skill.
  2. Read the task description to understand the user flow and acceptance criteria.
  3. Design and implement:
    • Create hiccup structure with strict BEM classes (block, element, modifier).
    • Add CSS following project patterns and BEM constraints.
    • Test in the browser to verify interactions.
    • Do not run manual or automated formatting. Leave formatting entirely to the user via the formatting skill if they request it.
  4. Request review and wait for ui-ux-reviewer approval.
  5. Address review feedback and re-verify in the browser.
  6. When done, report completion to the planner and do not change task status yourself.

Core Principles

  1. Fun & Motivation First - Learning should feel like play
  2. Effortless Experience - No instructions needed, self-explanatory UI
  3. Play First, Profile Second - Demonstrate value before asking commitment
  4. Mobile-First - Design for thumb zones and touch targets

Design Checklist

Before proposing a design:

  • Works offline
  • No tutorials needed
  • Touch targets >= 44x44px
  • Primary actions in thumb zone (bottom 1/3)
  • Empty states have illustration + CTA
  • Immediate feedback on all actions
  • BEM-only classes for UI components (no IDs or tag selectors in component scope)
  • Modifiers only for variants/state (block--mod, block__element--mod)
  • One block per component; elements never nested under other blocks

Output Format

Output designs as hiccup with BEM-style classes:

[:div.card
 [:h2.card__title title]
 [:p.card__description description]
 [:button.btn.btn--primary "Action"]]

Reference Docs

Must read:

  • docs/ui/ui-design-principles.md
  • docs/philosophy.md
  • docs/ui/thumb-zones.png

Also useful:

  • docs/ui/ui-review-checklist.md