Improve CommonWarningDialogUI Compatibility with Unity UI Toolkit

UI/CommonWarningDialogUI.cs

@@ -1,7 +1,11 @@
 using System;
+using System.Collections.Generic;
 using TMPro;
 using UnityEngine;
 using UnityEngine.UI;
+using UnityEngine.UIElements;
+using Button = UnityEngine.UI.Button;
+using Image = UnityEngine.UI.Image;
 
 namespace ADOFAIRenderer.UI
 {
@@ -22,6 +26,7 @@ namespace ADOFAIRenderer.UI
     public class CommonWarningDialogUI : MonoBehaviour
     {
         public static CommonWarningDialogUI? Instance { get; private set; }
+        private readonly List<VisualElement> _disabledElements = new();
 
         private void Awake()
         {
@@ -30,6 +35,15 @@ namespace ADOFAIRenderer.UI
 
         private void OnDestroy()
         {
+            foreach (var elem in _disabledElements)
+            {
+                if (elem != null)
+                {
+                    elem.SetEnabled(true);
+                }
+            }
+            _disabledElements.Clear();
+
             if (Instance == this)
             {
                 Instance = null;
@@ -88,6 +102,23 @@ namespace ADOFAIRenderer.UI
 
         private void Initialize(string title, string description, DialogButton[] buttons)
         {
+            if (!UnityEngine.EventSystems.EventSystem.current)
+            {
+                var eventSystemObj = new GameObject("EventSystem");
+                eventSystemObj.transform.SetParent(transform);
+                eventSystemObj.AddComponent<UnityEngine.EventSystems.EventSystem>();
+                eventSystemObj.AddComponent<UnityEngine.EventSystems.StandaloneInputModule>();
+            }
+
+            foreach (var doc in FindObjectsByType<UIDocument>(FindObjectsSortMode.None))
+            {
+                if (doc && doc.rootVisualElement != null && doc.rootVisualElement.enabledSelf)
+                {
+                    doc.rootVisualElement.SetEnabled(false);
+                    _disabledElements.Add(doc.rootVisualElement);
+                }
+            }
+
             // UI 레이어(5) 설정
             gameObject.layer = 5;
             
@@ -229,7 +260,7 @@ namespace ADOFAIRenderer.UI
                 {
                     try
                     {
-                        btnData.OnClick?.Invoke();
+                        btnData.OnClick();
                     }
                     catch (Exception ex)
                     {