Tailwind CSS and Legacy PostCSS Stylesheets: Coexistence Strategy for Incremental Migration
A small production application is introducing Tailwind CSS v3 as a PostCSS plugin alongside an existing hand-written stylesheet, with the goal of migrating feature-by-feature without a full rewrite or downtime. The immediate boundary is between legacy global CSS class names and Tailwind utilities compiled in the same pipeline. Because Tailwind's JIT engine s