Add all files

resources/css/filament/admin/tailwind.config.js

@@ -0,0 +1,10 @@
+import preset from '../../../../vendor/filament/filament/tailwind.config.preset'
+
+export default {
+    presets: [preset],
+    content: [
+        './app/Admin/**/*.php',
+        './resources/views/admin/**/*.blade.php',
+        './vendor/filament/**/*.blade.php',
+    ],
+}

resources/css/filament/admin/theme.css

@@ -0,0 +1,3 @@
+@import '../../../../vendor/filament/filament/resources/css/theme.css';
+
+@config 'tailwind.config.js';