Update postcss.config.mjs

postcss.config.mjs

@@ -0,0 +1,10 @@
+// PostCSS config
+// Vercel: Empty (Turbopack has issues with @tailwindcss/postcss + lightningcss)
+// CodeSandbox: Uses CDN (no PostCSS needed)
+// NO IMPORTS - Turbopack resolves all imports even if conditional!
+
+const config = {
+  plugins: {},
+};
+
+export default config;