finished the upgrade to filament 4. completely revamped the frontend with codex, now it looks great!

resources/css/app.css

@@ -1,8 +1,36 @@
-@import '@fortawesome/fontawesome-svg-core/styles.css';
+@import 'tailwindcss';
+@import '@fortawesome/fontawesome-svg-core/styles.css' layer(base);
 
-@tailwind base;
-@tailwind components;
-@tailwind utilities;
+@plugin '@tailwindcss/forms';
+
+@source '../../vendor/laravel/framework/src/Illuminate/Pagination/resources/views/*.blade.php';
+@source '../../resources/js/**/*.vue';
+
+@custom-variant dark (&:is(.dark *));
+
+@theme {
+  --font-sans:
+    Figtree, ui-sans-serif, system-ui, sans-serif, 'Apple Color Emoji',
+    'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
+}
+
+/*
+  The default border color has changed to `currentcolor` in Tailwind CSS v4,
+  so we've added these compatibility styles to make sure everything still
+  looks the same as it did with Tailwind CSS v3.
+
+  If we ever want to remove these styles, we need to add an explicit border
+  color utility to any element that depends on these defaults.
+*/
+@layer base {
+  *,
+  ::after,
+  ::before,
+  ::backdrop,
+  ::file-selector-button {
+    border-color: var(--color-gray-200, currentcolor);
+  }
+}
 
 /* Theme variables */
 :root {
@@ -20,4 +48,4 @@ body {
   background-color: var(--color-background);
   color: var(--color-text);
   transition: background-color 0.3s ease, color 0.3s ease;
-}
+}