5.1 Collapse content globs to ["./app//*.{ts,tsx}", "./components//*.{ts,tsx}"].
5.2 Provide :root{--border:220 14% 96%} fallback colors in globals.css.
5.3 Switch the container plugin to 2xl for > 1440-px screens.
5.4 Run npx tailwindcss --minify --build in CI to catch purging issues.
5.1 Collapse content globs to ["./app//*.{ts,tsx}", "./components//*.{ts,tsx}"].
5.2 Provide :root{--border:220 14% 96%} fallback colors in globals.css.
5.3 Switch the container plugin to 2xl for > 1440-px screens.
5.4 Run npx tailwindcss --minify --build in CI to catch purging issues.