Prepare TailwindCSS v4 migration

Author: emmadesilva

packages/hyde/tests/DefaultContentTest.php

@@ -44,10 +44,7 @@ public function testLaravelMixResourcesArePresent()
         $this->assertFileExists(Hyde::path('resources/assets/app.css'));
         $this->assertFileExists(Hyde::path('resources/assets/app.js'));
 
-        $this->assertFileContainsString('@tailwind base;', Hyde::path('resources/assets/app.css'));
-        $this->assertFileContainsString('@tailwind components;', Hyde::path('resources/assets/app.css'));
-        $this->assertFileContainsString('@tailwind utilities;', Hyde::path('resources/assets/app.css'));
-
+        $this->assertFileContainsString("@import 'tailwindcss'", Hyde::path('resources/assets/app.css'));
         $this->assertFileContainsString('This is the main JavaScript', Hyde::path('resources/assets/app.js'));
     }