diff --git a/frontend/features/nennung-feature/src/commonMain/kotlin/at/mocode/frontend/features/nennung/presentation/web/OnlineNennungFormular.kt b/frontend/features/nennung-feature/src/commonMain/kotlin/at/mocode/frontend/features/nennung/presentation/web/OnlineNennungFormular.kt
index ded037c3..cf507655 100644
--- a/frontend/features/nennung-feature/src/commonMain/kotlin/at/mocode/frontend/features/nennung/presentation/web/OnlineNennungFormular.kt
+++ b/frontend/features/nennung-feature/src/commonMain/kotlin/at/mocode/frontend/features/nennung/presentation/web/OnlineNennungFormular.kt
@@ -222,11 +222,11 @@ fun OnlineNennungFormular(
               modifier = Modifier.padding(bottom = 4.dp)
             )
             Text(
-              text = "v2026-04-23.5 - RADICAL RELOAD", // Eindeutige Version für diesen Fix
+              text = "v2026-04-23.7 - URL-ROUTING", // Version erhöht für URL-Routing Fix
               style = MaterialTheme.typography.labelLarge,
               fontWeight = FontWeight.Bold,
-              color = Color.Red,
-              modifier = Modifier.padding(bottom = 4.dp).background(Color.Yellow.copy(alpha = 0.3f))
+              color = Color.Blue, // Farbe geändert für neue Version
+              modifier = Modifier.padding(bottom = 4.dp).background(Color.Black.copy(alpha = 0.05f))
             )
           }
 
diff --git a/frontend/shells/meldestelle-web/src/wasmJsMain/kotlin/at/mocode/frontend/shell/web/WebMainScreen.kt b/frontend/shells/meldestelle-web/src/wasmJsMain/kotlin/at/mocode/frontend/shell/web/WebMainScreen.kt
index ad4ba5fc..8a141663 100644
--- a/frontend/shells/meldestelle-web/src/wasmJsMain/kotlin/at/mocode/frontend/shell/web/WebMainScreen.kt
+++ b/frontend/shells/meldestelle-web/src/wasmJsMain/kotlin/at/mocode/frontend/shell/web/WebMainScreen.kt
@@ -26,6 +26,15 @@ fun WebMainScreen() {
   MainAppContent()
 }
 
+@OptIn(ExperimentalWasmJsInterop::class)
+private fun getWindowHash(): String = js("window.location.hash")
+
+@OptIn(ExperimentalWasmJsInterop::class)
+private fun setWindowHash(hash: String): Unit = js("window.location.hash = hash")
+
+@OptIn(ExperimentalWasmJsInterop::class)
+private fun onHashChange(onChanged: () -> Unit): Unit = js("window.addEventListener('hashchange', onChanged)")
+
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun MainAppContent() {
@@ -34,6 +43,32 @@ fun MainAppContent() {
   val scope = rememberCoroutineScope()
   var currentScreen by remember { mutableStateOf<WebScreen>(WebScreen.Landing) }
 
+  // Hash-basiertes Routing zur Synchronisation mit der Adressleiste
+  LaunchedEffect(Unit) {
+    val handleHashChange = {
+      val hash = getWindowHash()
+      currentScreen = when {
+        hash.startsWith("#/nennung/") -> {
+          val tId = hash.substringAfter("#/nennung/").toLongOrNull() ?: 26128L
+          WebScreen.Nennung(1, tId)
+        }
+        else -> WebScreen.Landing
+      }
+    }
+    handleHashChange()
+    onHashChange { handleHashChange() }
+  }
+
+  // Update der Adressleiste bei Screen-Wechsel
+  LaunchedEffect(currentScreen) {
+    val targetHash = when (val screen = currentScreen) {
+      is WebScreen.Landing -> "/"
+      is WebScreen.Nennung -> "/nennung/${screen.turnierId}"
+      is WebScreen.Erfolg -> "/erfolg"
+    }
+    setWindowHash("#$targetHash")
+  }
+
   Scaffold(
     topBar = {
       TopAppBar(
diff --git a/frontend/shells/meldestelle-web/src/wasmJsMain/resources/index.html b/frontend/shells/meldestelle-web/src/wasmJsMain/resources/index.html
index 68bcf91b..fc19227a 100644
--- a/frontend/shells/meldestelle-web/src/wasmJsMain/resources/index.html
+++ b/frontend/shells/meldestelle-web/src/wasmJsMain/resources/index.html
@@ -19,6 +19,13 @@
       height: 100%;
     }
   </style>
+  <script>
+    // Runtime configuration injected by Docker entrypoint
+    window.API_BASE_URL = "${API_BASE_URL}";
+    window.MAIL_SERVICE_URL = "${MAIL_SERVICE_URL}";
+    window.KEYCLOAK_URL = "${KEYCLOAK_URL}";
+    console.log("App Config loaded:", { API: window.API_BASE_URL, Mail: window.MAIL_SERVICE_URL });
+  </script>
   <script type="application/javascript" src="meldestelle-web.js"></script>
 </head>
 <body>