Update

Assets/Scripts/UI/LobbyController.cs

@@ -236,7 +236,13 @@ namespace Hallucinate.UI
                 : null;
 
             bool success = await spawner.StartHost(id, name, pass);
-            if (success) ShowLounge(name);
+            if (success)
+            {
+                ShowLounge(name);
+                // Explicitly push the LobbyController to ensure it's the active UI screen.
+                // This helps prevent unintended navigation away from the lounge.
+                await uiManager.Push<LobbyController>();
+            }
         }
 
         private void UpdateRoomList(List<SessionInfo> sessions)
@@ -319,12 +325,12 @@ namespace Hallucinate.UI
             BasicSpawner.Instance?.StartGame();
         }
 
-        private void OnLeaveLoungeClicked()
+        private async void OnLeaveLoungeClicked()
         {
             var runner = Object.FindFirstObjectByType<NetworkRunner>();
             if (runner != null)
             {
-                runner.Shutdown();
+                await runner.Shutdown();
             }
             if (_playerDataManager != null)
             {
@@ -355,7 +361,7 @@ namespace Hallucinate.UI
                 }
             }
 
-            if (_playerDataManager == null || !_playerDataManager.Object.IsValid) return;
+            if (_playerDataManager == null || _playerDataManager.Object == null || !_playerDataManager.Object.IsValid) return;
 
             PlayerRef hostRef = PlayerRef.None;
             PlayerRef guestRef = PlayerRef.None;