diff --git a/frontend/src/main.jsx b/frontend/src/main.jsx
index 7c3d36e..0a6689c 100644
--- a/frontend/src/main.jsx
+++ b/frontend/src/main.jsx
@@ -4,25 +4,38 @@ import App from "./App.jsx";
 import { applyTheme, DEFAULT_THEME_KEY } from "./styles/themes";
 import { registerSW } from "virtual:pwa-register";
 
-// ✅ Theme VOR React setzen (kein Theme-Flash)
-try {
-  const key = localStorage.getItem("hpTheme:guest") || DEFAULT_THEME_KEY;
-  applyTheme(key);
-} catch {
-  applyTheme(DEFAULT_THEME_KEY);
+async function bootstrap() {
+  // ✅ Theme sofort setzen
+  try {
+    const key = localStorage.getItem("hpTheme:guest") || DEFAULT_THEME_KEY;
+    applyTheme(key);
+  } catch {
+    applyTheme(DEFAULT_THEME_KEY);
+  }
+
+  // ✅ Warten bis ALLE Fonts geladen sind
+  try {
+    if (document.fonts && document.fonts.ready) {
+      await document.fonts.ready;
+    }
+  } catch {
+    // ignore
+  }
+
+  // ✅ Erst JETZT sichtbar machen
+  document.body.classList.remove("preload");
+  document.body.classList.add("ready");
+
+  ReactDOM.createRoot(document.getElementById("root")).render(<App />);
+
+  // ✅ Service Worker – KEIN Auto-Reload mehr
+  registerSW({
+    immediate: true,
+    onNeedRefresh() {
+      console.info("Neue Version verfügbar – Reload manuell");
+      // optional: später Toast „Update verfügbar“
+    },
+  });
 }
 
-// ✅ Preload Unlock (nach Theme!)
-document.body.classList.remove("preload");
-document.body.classList.add("ready");
-
-ReactDOM.createRoot(document.getElementById("root")).render(<App />);
-
-// ✅ Service Worker NUR EINMAL registrieren
-const updateSW = registerSW({
-  immediate: true,
-  onNeedRefresh() {
-    updateSW(true);
-    window.location.reload();
-  },
-});
+bootstrap();