diff --git a/src/main/java/ch/unibas/dmi/dbis/cs108/casono/client/ui/gameui/gameuicomponents/TaskbarController.java b/src/main/java/ch/unibas/dmi/dbis/cs108/casono/client/ui/gameui/gameuicomponents/TaskbarController.java
index 15b7ed3..b5abe73 100644
--- a/src/main/java/ch/unibas/dmi/dbis/cs108/casono/client/ui/gameui/gameuicomponents/TaskbarController.java
+++ b/src/main/java/ch/unibas/dmi/dbis/cs108/casono/client/ui/gameui/gameuicomponents/TaskbarController.java
@@ -11,6 +11,7 @@ import ch.unibas.dmi.dbis.cs108.casono.client.ui.lobbyui.Casinomainui;
 import ch.unibas.dmi.dbis.cs108.casono.ui.sound.SoundManager;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.List;
 import java.util.Optional;
 import java.util.function.Consumer;
 import java.util.function.UnaryOperator;
@@ -989,6 +990,11 @@ public class TaskbarController {
             return;
         }
 
+        if (gameService.isActionInProgress()) {
+            LOGGER.info("Action {} blocked: another action is in progress", actionType);
+            return;
+        }
+
         GameState state = ensureLatestStateForAction(actionType.name().toLowerCase());
         if (state == null || isHandFinished(state)) {
             if (state != null) {
@@ -1014,6 +1020,8 @@ public class TaskbarController {
             return;
         }
 
+        disableAllActionButtons();
+
         executeAction(state, targetBet, actionType);
 
         if (targetBet > 0) {
@@ -1021,7 +1029,36 @@ public class TaskbarController {
         }
 
         taskbarInput.clear();
-        refreshGame();
+
+        javafx.application.Platform.runLater(() -> {
+            try {
+                Thread.sleep(500);
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+            }
+            refreshGame();
+        });
+    }
+
+    /**
+     * Disables all action buttons to prevent multiple concurrent action submissions.
+     */
+    private void disableAllActionButtons() {
+        if (betButton != null) {
+            betButton.setDisable(true);
+        }
+        if (callButton != null) {
+            callButton.setDisable(true);
+        }
+        if (raiseButton != null) {
+            raiseButton.setDisable(true);
+        }
+        if (foldButton != null) {
+            foldButton.setDisable(true);
+        }
+        if (taskbarInput != null) {
+            taskbarInput.setDisable(true);
+        }
     }
 
     /**
@@ -1391,14 +1428,14 @@ public class TaskbarController {
         }
 
         try (var iconStream = TaskbarController.class.getResourceAsStream(LOGO_PATH);
-                var mainLogoStream = TaskbarController.class.getResourceAsStream(LOGO_PATH_MAIN)) {
+             var mainLogoStream = TaskbarController.class.getResourceAsStream(LOGO_PATH_MAIN)) {
             if (iconStream != null) {
                 Image icon = new Image(iconStream);
                 if (!icon.isError()
                         && alert.getDialogPane() != null
                         && alert.getDialogPane().getScene() != null
                         && alert.getDialogPane().getScene().getWindow()
-                                instanceof javafx.stage.Stage stage) {
+                        instanceof javafx.stage.Stage stage) {
                     stage.getIcons().add(icon);
                 }
             }