Tailwind 4 Validator Validates that a project uses Tailwind CSS v4 with proper CSS-first configuration. Detects and flags Tailwind v3 patterns that should be migrated. Purpose CRITICAL : Claude and other AI assistants often default to Tailwind v3 patterns. This skill ensures: - Projects use Tailwind v4 CSS-first configuration - Old patterns are detected and flagged - Proper blocks are used instead of JS config - Dependencies are v4+ When to Use - Before any Tailwind work : Run validation first - New project setup : Ensure v4 is installed correctly - After AI generates Tailwind code : Verify n…