Try default export first

Author: thecrypticace

src/config.ts

@@ -188,6 +188,11 @@ async function loadV4(
 
   let tw = await import(pathToFileURL(pkgPath).toString())
 
+  // Currently, the `import` condition appears after the `require` condition in
+  // our package.json file causing us to incorrectly resolve the CJS version of
+  // `tailwindcss` which means we need to check for the `default` export.
+  tw = tw.default ?? tw
+
   // This is not Tailwind v4
   if (!tw.__unstable__loadDesignSystem) {
     return null