Tailwind UI Skill Tailwind CSS v4.1 development with accessibility and theming baked in. Quick Reference v4.1 Critical Changes Never use deprecated utilities — always use replacements: | Deprecated | Replacement | |------------|-------------| | | (opacity modifier) | | | | | | | | | | | | | | | | | | | | | | | | Use line-height modifiers | | / | / | | in flex/grid | Use instead | Essential Patterns Reference Files Load these based on the task: - references/v4-migration.md — Full v4.1 breaking changes, upgrade process, new features - references/accessibility.md — WCAG 2.1 AA patterns: contrast…