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skills/ibelick/ui-skills/baseline-ui

baseline-ui

1

ibelick/ui-skills·Architecture & Design·Audit passed·Snapshot 71d645b76d81

Installs: 0

Summary

Quickly deslop UI code by fixing spacing, hierarchy, typography, and small layout issues. Use when the interface needs a fast cleanup or polish pass.

SKILL.md

Baseline UI

Enforces an opinionated UI baseline to prevent AI-generated interface slop.

How to use

/baseline-ui Apply these constraints to any UI work in this conversation.
/baseline-ui <file> Review the file against all constraints below and output:
- violations (quote the exact line/snippet)
- why it matters (1 short sentence)
- a concrete fix (code-level suggestion)

Stack

MUST use Tailwind CSS defaults unless custom values already exist or are explicitly requested
MUST use motion/react (formerly framer-motion) when JavaScript animation is required
SHOULD use tw-animate-css for entrance and micro-animations in Tailwind CSS
MUST use cn utility (clsx + tailwind-merge) for class logic

Components

MUST use accessible component primitives for anything with keyboard or focus behavior (Base UI, React Aria, Radix)
MUST use the project’s existing component primitives first
NEVER mix primitive systems within the same interaction surface
SHOULD prefer Base UI for new primitives if compatible with the stack
MUST add an aria-label to icon-only buttons
NEVER rebuild keyboard or focus behavior by hand unless explicitly requested

Interaction

MUST use an AlertDialog for destructive or irreversible actions
SHOULD use structural skeletons for loading states
NEVER use h-screen, use h-dvh
MUST respect for fixed elements

safe-area-inset

MUST show errors next to where the action happens

NEVER block paste in input or textarea elements

Animation

NEVER add animation unless it is explicitly requested
MUST animate only compositor props (transform, opacity)
NEVER animate layout properties (width, height, top, left, margin, padding)
SHOULD avoid animating paint properties (background, color) except for small, local UI (text, icons)
SHOULD use ease-out on entrance
NEVER exceed 200ms for interaction feedback
MUST pause looping animations when off-screen
SHOULD respect prefers-reduced-motion
NEVER introduce custom easing curves unless explicitly requested
SHOULD avoid animating large images or full-screen surfaces

Typography

MUST use text-balance for headings and text-pretty for body/paragraphs
MUST use tabular-nums for data
SHOULD use truncate or line-clamp for dense UI
NEVER modify letter-spacing (tracking-*) unless explicitly requested

Layout

MUST use a fixed z-index scale (no arbitrary z-*)
SHOULD use size-* for square elements instead of w-* + h-*

Performance

NEVER animate large blur() or backdrop-filter surfaces
NEVER apply will-change outside an active animation
NEVER use useEffect for anything that can be expressed as render logic

Design

NEVER use gradients unless explicitly requested
NEVER use purple or multicolor gradients
NEVER use glow effects as primary affordances
SHOULD use Tailwind CSS default shadow scale unless explicitly requested
MUST give empty states one clear next action
SHOULD limit accent color usage to one per view
SHOULD use existing theme or Tailwind CSS color tokens before introducing new ones

Related skills

improve-ui fixing-accessibility fixing-metadata fixing-motion-performance ui-skills-root