postcss-plugin-missingA Next.js PostCSS config that does not list the csszyx plugin, so Tailwind never reads the safelist.
A name in angle brackets is a value the message fills in.
[csszyx] postcss-plugin-missing: The PostCSS config Next.js reads does not list `@csszyx/unplugin/postcss`, so Tailwind never reads the safelist and no `sz` class produces CSS.
help: add `@csszyx/unplugin/postcss` to its plugins, before `@tailwindcss/postcss`.
docs: https://csszyx.com/e/postcss-plugin-missing