Начал ИД вроде

Assets/Code/Infrastructure/UI/Panels/LoadingPanel.cs

@@ -1,17 +1,23 @@
 using System;
+using DG.Tweening;
+using UnityEngine;
+using UnityEngine.UI;
 
 namespace Code.Infrastructure.UI.Panels
 {
     public class LoadingPanel : UIPanel
     {
+        [SerializeField] private Image image;
+        [SerializeField] private Color shownColor; 
+        [SerializeField] private Color hiddenColor; 
         public override void Open(Action callback = null)
-        {
-            
+        { 
+            image.DOColor(shownColor, 1f).onComplete = () => callback?.Invoke(); 
         }
 
         public override void Close(Action callback = null)
         {
-            
+            image.DOColor(hiddenColor, 1f).onComplete += () => callback?.Invoke(); 
         }
     }
 }