ui4-review

Installation
SKILL.md

UI4 Review

Reviews CSS changes and auto-fixes token violations.


Important: Palette vs Semantic Tokens

--ramp-* tokens are the raw color palette (e.g., --ramp-white-1000, --ramp-blue-500). These are used only in colors.css to define semantic tokens.

--color-* tokens are context-aware semantic tokens (e.g., --color-bg, --color-text-brand). These handle light/dark theming automatically.

Components and elements should ALWAYS use --color-* semantic tokens, never --ramp-* palette tokens directly.

/* ❌ BAD - using raw palette */
background: var(--ramp-white-1000);
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May 1, 2026