UTKProperyItem 수정 중

Assets/Scripts/UVC/UIToolkit/Button/UTKCheckBox.cs

@@ -166,10 +166,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -255,6 +265,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
         }
         #endregion

Assets/Scripts/UVC/UIToolkit/Button/UTKRadioButton.cs

@@ -120,10 +120,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -167,6 +177,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<bool>>(OnRadioValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Button/UTKToggle.cs

@@ -143,10 +143,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -219,6 +229,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<bool>>(OnToggleValueChanged);
             UnregisterCallback<MouseDownEvent>(OnMouseDown, TrickleDown.TrickleDown);

Assets/Scripts/UVC/UIToolkit/Button/UTKToggleButtonGroup.cs

@@ -104,10 +104,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -156,6 +166,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnSelectionChanged = null;
             UnregisterCallback<ChangeEvent<ToggleButtonGroupState>>(OnValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Card/UTKCard.cs

@@ -277,10 +277,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -412,6 +422,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnClicked = null;
         }
         #endregion

Assets/Scripts/UVC/UIToolkit/Common/UTKFoldout.cs

@@ -132,10 +132,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -158,6 +168,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<bool>>(OnFoldoutValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Common/UTKHelpBox.cs

@@ -226,10 +226,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -245,6 +255,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Common/UTKImage.cs

@@ -230,10 +230,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -484,6 +494,8 @@ namespace UVC.UIToolkit
             CleanupExternalTexture();
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnImageLoaded = null;
             OnImageFailed = null;
         }

Assets/Scripts/UVC/UIToolkit/Common/UTKScrollView.cs

@@ -112,10 +112,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -131,6 +141,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Dropdown/UTKDropdown.cs

@@ -293,10 +293,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -568,6 +578,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnSelectionChanged = null;
 
             _inputContainer?.UnregisterCallback<ClickEvent>(OnInputClicked);

Assets/Scripts/UVC/UIToolkit/Dropdown/UTKEnumDropDown.cs

@@ -273,10 +273,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -527,6 +537,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
 
             _inputContainer?.UnregisterCallback<ClickEvent>(OnInputClicked);

Assets/Scripts/UVC/UIToolkit/Dropdown/UTKMultiSelectDropdown.cs

@@ -287,10 +287,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -596,6 +606,8 @@ namespace UVC.UIToolkit
             ClearCheckBoxes();
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnSelectionChanged = null;
 
             _inputContainer?.UnregisterCallback<ClickEvent>(OnInputClicked);

Assets/Scripts/UVC/UIToolkit/Input/UTKBoundsField.cs

@@ -243,10 +243,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -302,6 +312,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<Bounds>>(OnFieldValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Input/UTKDoubleField.cs

@@ -138,10 +138,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -164,6 +174,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<double>>(OnFieldValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Input/UTKFloatField.cs

@@ -137,10 +137,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -163,6 +173,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<float>>(OnFieldValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Input/UTKFloatStepper.cs

@@ -208,12 +208,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
 
-            // 패널에서 분리될 때 이벤트 구독 해제
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -454,6 +462,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
 
             // 이벤트 콜백 해제
             _upButton?.UnregisterCallback<ClickEvent>(OnUpButtonClick);

Assets/Scripts/UVC/UIToolkit/Input/UTKInputField.cs

@@ -224,10 +224,21 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            // 패널에 다시 붙을 때 현재 테마 재적용
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -304,6 +315,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             UnregisterCallback<ChangeEvent<string>>(OnTextValueChanged);
             OnValueChanged = null;
             OnFocused = null;

Assets/Scripts/UVC/UIToolkit/Input/UTKIntStepper.cs

@@ -209,12 +209,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
 
-            // 패널에서 분리될 때 이벤트 구독 해제
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -455,6 +463,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
 
             // 이벤트 콜백 해제
             _upButton?.UnregisterCallback<ClickEvent>(OnUpButtonClick);

Assets/Scripts/UVC/UIToolkit/Input/UTKIntegerField.cs

@@ -136,10 +136,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -162,6 +172,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<int>>(OnFieldValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Input/UTKLongField.cs

@@ -130,10 +130,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -156,6 +166,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<long>>(OnFieldValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Input/UTKRectField.cs

@@ -226,10 +226,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -275,6 +285,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<Rect>>(OnFieldValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Input/UTKVector2Field.cs

@@ -203,10 +203,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -250,6 +260,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<Vector2>>(OnFieldValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Input/UTKVector3Field.cs

@@ -222,10 +222,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -270,6 +280,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<Vector3>>(OnFieldValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Input/UTKVector4Field.cs

@@ -232,10 +232,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -281,6 +291,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<Vector4>>(OnFieldValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/List/UTKAccordionList.cs

@@ -1666,10 +1666,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -1688,6 +1698,8 @@ namespace UVC.UIToolkit
 
             // 테마 변경 이벤트 해제
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
 
             // 이미지 로딩 취소
             CancelImageLoading();

Assets/Scripts/UVC/UIToolkit/List/UTKComponentList.cs

@@ -1675,10 +1675,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -1699,6 +1709,8 @@ namespace UVC.UIToolkit
 
             // 테마 변경 이벤트 해제
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
 
             // 검색 필드 이벤트 해제
             if (_searchField != null)

Assets/Scripts/UVC/UIToolkit/List/UTKImageList.cs

@@ -1243,10 +1243,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -1268,6 +1278,8 @@ namespace UVC.UIToolkit
 
             // 테마 변경 이벤트 해제
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
 
             // 이미지 로딩 취소
             CancelImageLoading();

Assets/Scripts/UVC/UIToolkit/List/UTKListView.cs

@@ -164,10 +164,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -197,6 +207,8 @@ namespace UVC.UIToolkit
             selectionChanged -= OnSelectionChanged;
             itemsChosen -= OnItemsChosen;
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnItemSelected = null;
             OnItemDoubleClicked = null;
         }

Assets/Scripts/UVC/UIToolkit/List/UTKMultiColumnListView.cs

@@ -60,10 +60,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -93,6 +103,8 @@ namespace UVC.UIToolkit
             selectionChanged -= OnSelectionChanged;
             itemsChosen -= OnItemsChosen;
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnItemSelected = null;
             OnItemDoubleClicked = null;
         }

Assets/Scripts/UVC/UIToolkit/List/UTKMultiColumnTreeView.cs

@@ -60,10 +60,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -93,6 +103,8 @@ namespace UVC.UIToolkit
             selectionChanged -= OnSelectionChanged;
             itemsChosen -= OnItemsChosen;
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnItemSelected = null;
             OnItemDoubleClicked = null;
         }

Assets/Scripts/UVC/UIToolkit/List/UTKPropertyList.cs

@@ -38,6 +38,7 @@ namespace UVC.UIToolkit
         #region Constants
         private const string UXML_PATH = "UIToolkit/List/UTKPropertyList";
         private const string USS_PATH = "UIToolkit/List/UTKPropertyListUss";
+        private const string GROUP_HEADER_UXML_PATH = "UIToolkit/List/UTKPropertyGroupHeader";
         #endregion
 
         #region Fields
@@ -53,6 +54,8 @@ namespace UVC.UIToolkit
 
         private int _nextTreeViewId = 1;
         private string _searchText = string.Empty;
+
+        private static VisualTreeAsset? _groupHeaderUxmlCache;
         #endregion
 
         #region Events
@@ -172,10 +175,19 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanel);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanel);
+        }
+
+        private void OnAttachToPanel(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+        }
+
+        private void OnDetachFromPanel(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -234,12 +246,20 @@ namespace UVC.UIToolkit
         #endregion
 
         #region Public Methods - Group Management
+        /// <summary>
+        /// 그룹을 추가하고 TreeView를 갱신합니다.
+        /// </summary>
+        /// <param name="group">추가할 속성 그룹.</param>
         public void AddGroup(IUTKPropertyGroup group)
         {
             AddGroupInternal(group);
             RefreshTreeView();
         }
 
+        /// <summary>
+        /// 지정한 ID의 그룹과 그룹 내 모든 아이템을 제거합니다.
+        /// </summary>
+        /// <param name="groupId">제거할 그룹 ID.</param>
         public void RemoveGroup(string groupId)
         {
             if (_groupIndex.TryGetValue(groupId, out var group))
@@ -259,11 +279,21 @@ namespace UVC.UIToolkit
             }
         }
 
+        /// <summary>
+        /// 지정한 ID의 그룹을 반환합니다.
+        /// </summary>
+        /// <param name="groupId">조회할 그룹 ID.</param>
+        /// <returns>그룹 인스턴스 또는 null.</returns>
         public IUTKPropertyGroup? GetGroup(string groupId)
         {
             return _groupIndex.TryGetValue(groupId, out var group) ? group : null;
         }
 
+        /// <summary>
+        /// 그룹의 펼침/접힘 상태를 설정합니다.
+        /// </summary>
+        /// <param name="groupId">대상 그룹 ID.</param>
+        /// <param name="expanded">true면 펼침, false면 접힘.</param>
         public void SetGroupExpanded(string groupId, bool expanded)
         {
             if (_groupIndex.TryGetValue(groupId, out var group))
@@ -280,6 +310,10 @@ namespace UVC.UIToolkit
             }
         }
 
+        /// <summary>
+        /// 그룹의 펼침/접힘 상태를 토글합니다.
+        /// </summary>
+        /// <param name="groupId">대상 그룹 ID.</param>
         public void ToggleGroupExpanded(string groupId)
         {
             if (_groupIndex.TryGetValue(groupId, out var group))
@@ -290,12 +324,21 @@ namespace UVC.UIToolkit
         #endregion
 
         #region Public Methods - Property Management
+        /// <summary>
+        /// 최상위 속성 아이템을 추가하고 TreeView를 갱신합니다.
+        /// </summary>
+        /// <param name="item">추가할 속성 아이템.</param>
         public void AddProperty(IUTKPropertyItem item)
         {
             AddPropertyInternal(item);
             RefreshTreeView();
         }
 
+        /// <summary>
+        /// 지정한 그룹에 속성 아이템을 추가하고 TreeView를 갱신합니다.
+        /// </summary>
+        /// <param name="groupId">대상 그룹 ID.</param>
+        /// <param name="item">추가할 속성 아이템.</param>
         public void AddPropertyToGroup(string groupId, IUTKPropertyItem item)
         {
             if (_groupIndex.TryGetValue(groupId, out var group))
@@ -307,6 +350,11 @@ namespace UVC.UIToolkit
             }
         }
 
+        /// <summary>
+        /// 지정한 ID의 속성 아이템을 제거하고 TreeView를 갱신합니다.
+        /// 그룹에 속한 아이템이면 그룹에서도 제거됩니다.
+        /// </summary>
+        /// <param name="itemId">제거할 아이템 ID.</param>
         public void RemoveProperty(string itemId)
         {
             if (_itemIndex.TryGetValue(itemId, out var item))
@@ -328,6 +376,11 @@ namespace UVC.UIToolkit
             }
         }
 
+        /// <summary>
+        /// 지정한 ID의 속성 아이템을 반환합니다.
+        /// </summary>
+        /// <param name="itemId">조회할 아이템 ID.</param>
+        /// <returns>아이템 인스턴스 또는 null.</returns>
         public IUTKPropertyItem? GetProperty(string itemId)
         {
             return _itemIndex.TryGetValue(itemId, out var item) ? item : null;
@@ -335,37 +388,85 @@ namespace UVC.UIToolkit
         #endregion
 
         #region Public Methods - Value Management
-        public void UpdatePropertyValue(string propertyId, object newValue)
+        /// <summary>
+        /// 속성 값을 변경합니다. 바인딩된 View에 OnTypedValueChanged 이벤트로 자동 반영됩니다.
+        /// </summary>
+        /// <param name="propertyId">대상 속성 ID.</param>
+        /// <param name="newValue">새 값 (타입 변환 자동 시도).</param>
+        /// <param name="notify">true면 값 변경 알림 이벤트 발생.</param>
+        public void UpdatePropertyValue(string propertyId, object newValue, bool notify = false)
         {
             if (_itemIndex.TryGetValue(propertyId, out var item))
             {
-                item.SetValue(newValue);
+                item.SetValue(newValue, notify);
             }
         }
 
-        public void SetPropertyValue(string propertyId, object value)
+        /// <summary>
+        /// 속성 값을 변경합니다. <see cref="UpdatePropertyValue"/>의 별칭입니다.
+        /// </summary>
+        /// <param name="propertyId">대상 속성 ID.</param>
+        /// <param name="value">새 값.</param>
+        /// <param name="notify">true면 값 변경 알림 이벤트 발생.</param>
+        public void SetPropertyValue(string propertyId, object value, bool notify = false)
         {
-            UpdatePropertyValue(propertyId, value);
+            UpdatePropertyValue(propertyId, value, notify);
         }
         #endregion
 
         #region Public Methods - Visibility & ReadOnly
+        /// <summary>
+        /// 속성 아이템의 가시성을 변경합니다. TreeView 항목이 추가/제거되므로 Rebuild가 발생합니다.
+        /// </summary>
+        /// <param name="propertyId">대상 속성 ID.</param>
+        /// <param name="visible">true면 표시, false면 숨김.</param>
         public void SetPropertyVisibility(string propertyId, bool visible)
         {
             if (_itemIndex.TryGetValue(propertyId, out var item))
             {
+                if (item.IsVisible == visible) return;
                 item.IsVisible = visible;
+                RefreshTreeViewLight();
             }
         }
 
+        /// <summary>여러 속성의 가시성을 일괄 변경합니다. TreeView는 마지막에 한 번만 갱신됩니다.</summary>
+        public void SetPropertyVisibilityBatch(IEnumerable<(string propertyId, bool visible)> changes)
+        {
+            bool changed = false;
+            foreach (var (propertyId, visible) in changes)
+            {
+                if (_itemIndex.TryGetValue(propertyId, out var item) && item.IsVisible != visible)
+                {
+                    item.IsVisible = visible;
+                    changed = true;
+                }
+            }
+
+            if (changed) RefreshTreeViewLight();
+        }
+
+        /// <summary>
+        /// 그룹의 가시성을 변경합니다. TreeView 항목이 추가/제거되므로 Rebuild가 발생합니다.
+        /// </summary>
+        /// <param name="groupId">대상 그룹 ID.</param>
+        /// <param name="visible">true면 표시, false면 숨김.</param>
         public void SetGroupVisibility(string groupId, bool visible)
         {
             if (_groupIndex.TryGetValue(groupId, out var group))
             {
+                if (group.IsVisible == visible) return;
                 group.IsVisible = visible;
+                RefreshTreeViewLight();
             }
         }
 
+        /// <summary>
+        /// 속성 아이템의 읽기 전용 상태를 변경합니다.
+        /// OnStateChanged 이벤트를 통해 바인딩된 View에 자동 반영됩니다.
+        /// </summary>
+        /// <param name="propertyId">대상 속성 ID.</param>
+        /// <param name="isReadOnly">true면 읽기 전용.</param>
         public void SetPropertyReadOnly(string propertyId, bool isReadOnly)
         {
             if (_itemIndex.TryGetValue(propertyId, out var item))
@@ -374,6 +475,12 @@ namespace UVC.UIToolkit
             }
         }
 
+        /// <summary>
+        /// 그룹 내 모든 아이템의 읽기 전용 상태를 일괄 변경합니다.
+        /// OnStateChanged 이벤트를 통해 바인딩된 View에 자동 반영됩니다.
+        /// </summary>
+        /// <param name="groupId">대상 그룹 ID.</param>
+        /// <param name="isReadOnly">true면 읽기 전용.</param>
         public void SetGroupReadOnly(string groupId, bool isReadOnly)
         {
             if (_groupIndex.TryGetValue(groupId, out var group))
@@ -381,25 +488,48 @@ namespace UVC.UIToolkit
                 group.SetAllItemsReadOnly(isReadOnly);
             }
         }
+
+        /// <summary>
+        /// 속성 아이템의 라벨 표시 여부를 변경합니다.
+        /// OnStateChanged 이벤트를 통해 바인딩된 View에 자동 반영됩니다.
+        /// </summary>
+        /// <param name="propertyId">대상 속성 ID.</param>
+        /// <param name="showLabel">true면 라벨 표시, false면 값이 전체 너비 사용.</param>
+        public void SetPropertyShowLabel(string propertyId, bool showLabel)
+        {
+            if (_itemIndex.TryGetValue(propertyId, out var item))
+            {
+                item.ShowLabel = showLabel;
+            }
+        }
         #endregion
 
         #region Public Methods - Utilities
-        public void Clear()
+        /// <summary>
+        /// 모든 엔트리(그룹 + 아이템)를 제거하고 TreeView를 초기화합니다.
+        /// VisualElement.Clear()를 숨깁니다(new).
+        /// </summary>
+        public new void Clear()
         {
             ClearInternal();
             RefreshTreeView();
         }
 
+        /// <summary>
+        /// 현재 데이터를 기반으로 TreeView를 다시 빌드합니다.
+        /// </summary>
         public void Refresh()
         {
             RefreshTreeView();
         }
 
+        /// <summary>리스트를 표시합니다.</summary>
         public void Show()
         {
             style.display = DisplayStyle.Flex;
         }
 
+        /// <summary>리스트를 숨깁니다.</summary>
         public void Hide()
         {
             style.display = DisplayStyle.None;
@@ -448,7 +578,10 @@ namespace UVC.UIToolkit
 
         private void ClearInternal()
         {
-            // 이벤트 구독 해제
+            // TreeView 내 바인딩된 View의 이벤트 콜백 정리 및 Dispose
+            CleanupAllTreeViewContainers();
+
+            // 데이터 이벤트 구독 해제
             foreach (var group in _groupIndex.Values)
             {
                 UnsubscribeGroup(group);
@@ -466,6 +599,19 @@ namespace UVC.UIToolkit
             _nextTreeViewId = 1;
         }
 
+        /// <summary>TreeView 내 모든 컨테이너의 콜백과 View를 정리합니다.</summary>
+        private void CleanupAllTreeViewContainers()
+        {
+            if (_treeView == null) return;
+
+            _treeView.Query<VisualElement>(className: "utk-property-item-container")
+                .ForEach(container =>
+                {
+                    CleanupContainerCallbacks(container);
+                    DisposeChildren(container);
+                });
+        }
+
         private void RefreshTreeView()
         {
             if (_treeView == null) return;
@@ -474,7 +620,29 @@ namespace UVC.UIToolkit
             _treeView.SetRootItems(treeItems);
             _treeView.Rebuild();
 
-            // 펼침 상태 복원
+            RestoreExpandedStates();
+        }
+
+        /// <summary>
+        /// 경량 TreeView 갱신. 아이템 구조(Visibility 변경 등)만 바뀔 때 사용합니다.
+        /// Rebuild() 대신 RefreshItems()를 사용하여 기존 컨테이너를 재활용합니다.
+        /// </summary>
+        private void RefreshTreeViewLight()
+        {
+            if (_treeView == null) return;
+
+            var treeItems = BuildTreeItems();
+            _treeView.SetRootItems(treeItems);
+            _treeView.RefreshItems();
+
+            RestoreExpandedStates();
+        }
+
+        /// <summary>그룹 펼침 상태를 복원합니다.</summary>
+        private void RestoreExpandedStates()
+        {
+            if (_treeView == null) return;
+
             foreach (var group in _groupIndex.Values)
             {
                 if (group.IsExpanded)
@@ -545,6 +713,19 @@ namespace UVC.UIToolkit
         #endregion
 
         #region TreeView Callbacks
+
+        /// <summary>
+        /// 컨테이너에 등록된 이벤트 콜백 정보를 보관합니다.
+        /// View 재사용 시 이전 이벤트를 정리하기 위해 사용합니다.
+        /// </summary>
+        private sealed class ContainerCallbackInfo
+        {
+            public VisualElement? ItemView;
+            public EventCallback<ClickEvent>? ClickCallback;
+            public Action<string>? ButtonClickHandler;
+            public Action<string>? ActionButtonClickHandler;
+        }
+
         private VisualElement MakeItem()
         {
             var container = new VisualElement();
@@ -557,6 +738,15 @@ namespace UVC.UIToolkit
             var itemData = _treeView?.GetItemDataForIndex<IUTKPropertyEntry>(index);
             if (itemData == null) return;
 
+            // 기존 자식 View 재사용 시도
+            if (itemData is IUTKPropertyItem item && TryRebindExistingView(element, item))
+            {
+                return;
+            }
+
+            // 재사용 불가 시 기존 View 정리 후 새로 생성
+            CleanupContainerCallbacks(element);
+            DisposeChildren(element);
             element.Clear();
 
             switch (itemData)
@@ -564,55 +754,146 @@ namespace UVC.UIToolkit
                 case IUTKPropertyGroup group:
                     BindGroupItem(element, group);
                     break;
-                case IUTKPropertyItem item:
-                    BindPropertyItem(element, item);
+                case IUTKPropertyItem newItem:
+                    BindPropertyItem(element, newItem);
                     break;
             }
         }
 
         private void UnbindItem(VisualElement element, int index)
         {
-            // View에서 직접 Unbind 처리 (IUTKPropertyItemView 구현체인 경우)
+            // Unbind만 수행 (View 인스턴스는 유지하여 재사용 가능)
             foreach (var child in element.Children())
             {
                 if (child is IUTKPropertyItemView view)
                 {
                     view.Unbind();
                 }
+            }
+        }
 
-                // IDisposable 구현체인 경우 Dispose 호출
+        /// <summary>
+        /// 기존 자식 View가 동일 PropertyType이면 Unbind → Bind로 재사용합니다.
+        /// 이전 이벤트 콜백을 정리하고 새 item으로 재등록합니다.
+        /// </summary>
+        /// <returns>재사용 성공 시 true</returns>
+        private bool TryRebindExistingView(VisualElement container, IUTKPropertyItem item)
+        {
+            if (container.childCount != 1) return false;
+
+            var existingChild = container[0];
+            if (existingChild is not IUTKPropertyItemView existingView) return false;
+
+            // 같은 PropertyType인지 확인
+            var expectedViewType = UTKPropertyItemViewFactory.GetViewType(item);
+            if (existingChild.GetType() != expectedViewType) return false;
+
+            // 이전 이벤트 콜백 정리
+            CleanupContainerCallbacks(container);
+
+            // Unbind → Bind (View 인스턴스 재사용)
+            existingView.Unbind();
+            existingView.Bind(item);
+
+            // 새 item에 대한 이벤트 콜백 재등록
+            RegisterPropertyCallbacks(container, existingChild, item);
+            return true;
+        }
+
+        /// <summary>
+        /// 컨테이너에 저장된 이벤트 콜백을 해제합니다.
+        /// </summary>
+        private static void CleanupContainerCallbacks(VisualElement container)
+        {
+            if (container.userData is not ContainerCallbackInfo info) return;
+
+            if (info.ItemView != null && info.ClickCallback != null)
+            {
+                info.ItemView.UnregisterCallback(info.ClickCallback);
+            }
+
+            if (info.ButtonClickHandler != null && info.ItemView is UTKButtonItemView btnView)
+            {
+                btnView.OnButtonClicked -= info.ButtonClickHandler;
+            }
+
+            if (info.ActionButtonClickHandler != null && info.ItemView is UTKStringPropertyItemView strView)
+            {
+                strView.OnActionButtonClicked -= info.ActionButtonClickHandler;
+            }
+
+            container.userData = null;
+        }
+
+        /// <summary>자식 View를 Dispose합니다.</summary>
+        private static void DisposeChildren(VisualElement element)
+        {
+            foreach (var child in element.Children())
+            {
+                if (child is IUTKPropertyItemView view)
+                {
+                    view.Unbind();
+                }
                 if (child is IDisposable disposable)
                 {
                     disposable.Dispose();
                 }
             }
-
-            element.Clear();
         }
 
         private void BindGroupItem(VisualElement container, IUTKPropertyGroup group)
         {
-            var groupElement = new VisualElement();
-            groupElement.AddToClassList("utk-property-group__header");
+            // UXML 로드 (캐시)
+            if (_groupHeaderUxmlCache == null)
+            {
+                _groupHeaderUxmlCache = Resources.Load<VisualTreeAsset>(GROUP_HEADER_UXML_PATH);
+            }
 
-            var expandIcon = new UTKLabel(group.IsExpanded ? UTKMaterialIcons.ExpandMore : UTKMaterialIcons.ChevronRight, 16);
-            expandIcon.AddToClassList("utk-property-group__expand-icon");
+            VisualElement groupElement;
+            UTKLabel expandIcon;
+            UTKLabel title;
+            // UTKLabel count;
 
-            var title = new UTKLabel(group.GroupName, UTKLabel.LabelSize.Label1);
+            if (_groupHeaderUxmlCache != null)
+            {
+                var root = _groupHeaderUxmlCache.Instantiate();
+                groupElement = root.Q<VisualElement>("group-header");
+                expandIcon = root.Q<UTKLabel>("expand-icon");
+                title = root.Q<UTKLabel>("group-title");
+                // count = root.Q<UTKLabel>("group-count");
+                container.Add(root);
+            }
+            else
+            {
+                // Fallback: UXML 로드 실패 시 코드로 생성
+                groupElement = new VisualElement();
+                groupElement.AddToClassList("utk-property-group__header");
+
+                expandIcon = new UTKLabel();
+                expandIcon.AddToClassList("utk-property-group__expand-icon");
+
+                title = new UTKLabel();
+                title.AddToClassList("utk-property-group__title");
+
+                // count = new UTKLabel();
+                // count.AddToClassList("utk-property-group__count");
+
+                groupElement.Add(expandIcon);
+                groupElement.Add(title);
+                // groupElement.Add(count);
+                container.Add(groupElement);
+            }
+
+            // 데이터 바인딩
+            expandIcon.SetMaterialIcon(group.IsExpanded ? UTKMaterialIcons.ExpandMore : UTKMaterialIcons.ChevronRight, 16);
+            title.Text = group.GroupName;
+            title.Size = UTKLabel.LabelSize.Label1;
             title.IsBold = true;
-            title.AddToClassList("utk-property-group__title");
+            // count.Text = $"({group.ItemCount})";
+            // count.Variant = UTKLabel.LabelVariant.Secondary;
 
-            var count = new UTKLabel($"({group.ItemCount})", UTKLabel.LabelSize.Caption);
-            count.Variant = UTKLabel.LabelVariant.Secondary;
-            count.AddToClassList("utk-property-group__count");
-
-            groupElement.Add(expandIcon);
-            groupElement.Add(title);
-            groupElement.Add(count);
-
-            // 그룹 클릭 이벤트 - DetachFromPanelEvent에서 자동 정리됨
-            EventCallback<ClickEvent> clickCallback = null!;
-            clickCallback = _ =>
+            // 그룹 클릭 이벤트 - ContainerCallbackInfo로 관리
+            EventCallback<ClickEvent> clickCallback = _ =>
             {
                 ToggleGroupExpanded(group.GroupId);
                 expandIcon.SetMaterialIcon(group.IsExpanded ? UTKMaterialIcons.ExpandMore : UTKMaterialIcons.ChevronRight, 16);
@@ -621,63 +902,51 @@ namespace UVC.UIToolkit
 
             groupElement.RegisterCallback(clickCallback);
 
-            // DetachFromPanelEvent에서 이벤트 해제
-            groupElement.RegisterCallback<DetachFromPanelEvent>(evt =>
+            // 컨테이너에 콜백 정보 저장 (CleanupContainerCallbacks에서 정리)
+            container.userData = new ContainerCallbackInfo
             {
-                groupElement.UnregisterCallback(clickCallback);
-            });
-
-            container.Add(groupElement);
+                ItemView = groupElement,
+                ClickCallback = clickCallback
+            };
         }
 
         private void BindPropertyItem(VisualElement container, IUTKPropertyItem item)
         {
             // View Factory를 사용하여 View 생성 및 바인딩
             var itemView = UTKPropertyItemViewFactory.CreateView(item);
+            container.Add(itemView);
 
-            // 클릭 이벤트 등록 - DetachFromPanelEvent에서 자동 정리됨
-            EventCallback<ClickEvent> clickCallback = _ => OnPropertyClicked?.Invoke(item);
-            itemView.RegisterCallback(clickCallback);
+            // 이벤트 콜백 등록 및 컨테이너에 저장
+            RegisterPropertyCallbacks(container, itemView, item);
+        }
+
+        /// <summary>
+        /// PropertyItem View에 이벤트 콜백을 등록하고 컨테이너에 정보를 저장합니다.
+        /// </summary>
+        private void RegisterPropertyCallbacks(VisualElement container, VisualElement itemView, IUTKPropertyItem item)
+        {
+            var info = new ContainerCallbackInfo { ItemView = itemView };
+
+            // 클릭 이벤트 등록
+            info.ClickCallback = _ => OnPropertyClicked?.Invoke(item);
+            itemView.RegisterCallback(info.ClickCallback);
 
             // 버튼 아이템인 경우 버튼 클릭 이벤트 구독
-            Action<string>? buttonClickHandler = null;
             if (itemView is UTKButtonItemView buttonView)
             {
-                buttonClickHandler = (actionName) =>
-                {
-                    OnPropertyButtonClicked?.Invoke(item.Id, actionName);
-                };
-                buttonView.OnButtonClicked += buttonClickHandler;
+                info.ButtonClickHandler = actionName => OnPropertyButtonClicked?.Invoke(item.Id, actionName);
+                buttonView.OnButtonClicked += info.ButtonClickHandler;
             }
 
             // String 아이템에 ActionButton이 있는 경우 이벤트 구독
-            Action<string>? actionButtonClickHandler = null;
             if (itemView is UTKStringPropertyItemView stringView)
             {
-                actionButtonClickHandler = (actionName) =>
-                {
-                    OnPropertyButtonClicked?.Invoke(item.Id, actionName);
-                };
-                stringView.OnActionButtonClicked += actionButtonClickHandler;
+                info.ActionButtonClickHandler = actionName => OnPropertyButtonClicked?.Invoke(item.Id, actionName);
+                stringView.OnActionButtonClicked += info.ActionButtonClickHandler;
             }
 
-            // DetachFromPanelEvent에서 이벤트 해제
-            itemView.RegisterCallback<DetachFromPanelEvent>(evt =>
-            {
-                itemView.UnregisterCallback(clickCallback);
-
-                if (itemView is UTKButtonItemView btnView && buttonClickHandler != null)
-                {
-                    btnView.OnButtonClicked -= buttonClickHandler;
-                }
-
-                if (itemView is UTKStringPropertyItemView strView && actionButtonClickHandler != null)
-                {
-                    strView.OnActionButtonClicked -= actionButtonClickHandler;
-                }
-            });
-
-            container.Add(itemView);
+            // 컨테이너에 콜백 정보 저장 (재사용/정리 시 참조)
+            container.userData = info;
         }
         #endregion
 
@@ -751,8 +1020,13 @@ namespace UVC.UIToolkit
 
             // 테마 변경 이벤트 해제
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanel);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanel);
 
-            // TreeView 콜백 정리
+            // 데이터 이벤트 해제 + TreeView View 콜백/Dispose 정리
+            ClearInternal();
+
+            // TreeView 콜백 해제
             if (_treeView != null)
             {
                 _treeView.makeItem = null;
@@ -772,9 +1046,6 @@ namespace UVC.UIToolkit
                 _clearButton.Dispose();
             }
 
-            // 이벤트 정리
-            ClearInternal();
-
             // 이벤트 핸들러 정리
             OnPropertyValueChanged = null;
             OnGroupExpandedChanged = null;

Assets/Scripts/UVC/UIToolkit/List/UTKTreeView.cs

@@ -170,10 +170,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -203,6 +213,8 @@ namespace UVC.UIToolkit
             selectionChanged -= OnSelectionChanged;
             itemsChosen -= OnItemsChosen;
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnItemSelected = null;
             OnItemDoubleClicked = null;
         }

Assets/Scripts/UVC/UIToolkit/Modal/UTKAlert.cs

@@ -503,10 +503,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -641,6 +651,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnClosed = null;
             OnConfirm = null;
             OnCancel = null;

Assets/Scripts/UVC/UIToolkit/Modal/UTKColorPicker.cs

@@ -222,12 +222,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
 
-            // 패널에서 분리될 때 이벤트 구독 해제
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -1190,6 +1198,10 @@ namespace UVC.UIToolkit
 
             _hexField?.UnregisterCallback<ChangeEvent<string>>(OnHexFieldChanged);
 
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+
             OnColorChanged = null;
             OnColorSelected = null;
             OnClosed = null;

Assets/Scripts/UVC/UIToolkit/Modal/UTKDatePicker.cs

@@ -245,12 +245,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
 
-            // 패널에서 분리될 때 이벤트 구독 해제
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -1112,6 +1120,11 @@ namespace UVC.UIToolkit
             if (_disposed) return;
             _disposed = true;
 
+            // 테마 변경 이벤트 구독 해제
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+
             // 언어 변경 이벤트 구독 해제
             LocalizationManager.Instance.OnLanguageChanged -= OnLanguageChanged;
 

Assets/Scripts/UVC/UIToolkit/Modal/UTKModal.cs

@@ -226,10 +226,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -305,6 +315,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnClosed = null;
             _blocker = null;
         }

Assets/Scripts/UVC/UIToolkit/Modal/UTKNotification.cs

@@ -275,10 +275,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -389,6 +399,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnClosed = null;
             OnActionClicked = null;
         }

Assets/Scripts/UVC/UIToolkit/Modal/UTKPanel.cs

@@ -305,10 +305,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -436,6 +446,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnCollapsedChanged = null;
         }
         #endregion

Assets/Scripts/UVC/UIToolkit/Modal/UTKToast.cs

@@ -340,10 +340,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -396,6 +406,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnClosed = null;
         }
         #endregion

Assets/Scripts/UVC/UIToolkit/Property/Core/IUTKPropertyItem.cs

@@ -40,11 +40,14 @@ namespace UVC.UIToolkit
         /// <summary>값 변경 이벤트</summary>
         event Action<IUTKPropertyItem, object?, object?>? OnValueChanged;
 
+        /// <summary>상태(ReadOnly 등) 변경 이벤트. View가 구독하여 UI를 갱신합니다.</summary>
+        event Action<IUTKPropertyItem>? OnStateChanged;
+
         /// <summary>현재 값을 object로 반환</summary>
         object? GetValue();
 
         /// <summary>값을 설정 (타입 변환 포함)</summary>
-        void SetValue(object? value);
+        void SetValue(object? value, bool notifyChangeEvent = false);
     }
 
     /// <summary>

Assets/Scripts/UVC/UIToolkit/Property/Core/UTKPropertyType.cs

@@ -62,6 +62,9 @@ namespace UVC.UIToolkit
         /// <summary>상태 + 색상 복합 타입</summary>
         ColorState,
 
+        /// <summary>실수 + 드롭다운 복합 타입</summary>
+        FloatDropdown,
+
         /// <summary>버튼 (액션 트리거)</summary>
         Button
     }

Assets/Scripts/UVC/UIToolkit/Property/Data/UTKFloatDropdownValue.cs

@@ -0,0 +1,36 @@
+#nullable enable
+using System;
+using UnityEngine;
+
+namespace UVC.UIToolkit
+{
+    /// <summary>
+    /// Float 값과 Dropdown 선택 문자열을 함께 저장하는 구조체입니다.
+    /// UTKFloatDropdownPropertyItem의 값 타입으로 사용됩니다.
+    /// </summary>
+    public struct UTKFloatDropdownValue : IEquatable<UTKFloatDropdownValue>
+    {
+        /// <summary>Float 값</summary>
+        public float FloatValue { get; set; }
+
+        /// <summary>Dropdown 선택 값</summary>
+        public string DropdownValue { get; set; }
+
+        public UTKFloatDropdownValue(float floatValue, string dropdownValue)
+        {
+            FloatValue = floatValue;
+            DropdownValue = dropdownValue ?? "";
+        }
+
+        public bool Equals(UTKFloatDropdownValue other) =>
+            Mathf.Approximately(FloatValue, other.FloatValue) &&
+            string.Equals(DropdownValue, other.DropdownValue, StringComparison.Ordinal);
+
+        public override bool Equals(object? obj) => obj is UTKFloatDropdownValue other && Equals(other);
+        public override int GetHashCode() => HashCode.Combine(FloatValue, DropdownValue);
+        public override string ToString() => $"{FloatValue}{DropdownValue}";//$"{FloatValue:F2}{DropdownValue}";
+
+        public static bool operator ==(UTKFloatDropdownValue left, UTKFloatDropdownValue right) => left.Equals(right);
+        public static bool operator !=(UTKFloatDropdownValue left, UTKFloatDropdownValue right) => !left.Equals(right);
+    }
+}

Assets/Scripts/UVC/UIToolkit/Property/Data/UTKFloatDropdownValue.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 2d41cfdd32cd0484898138be24db75cb

Assets/Scripts/UVC/UIToolkit/Property/Items/Base/UTKPropertyItemBase.cs

@@ -26,12 +26,12 @@ namespace UVC.UIToolkit
     public abstract class UTKPropertyItemBase<T> : IUTKPropertyItem<T>, IDisposable
     {
         #region Fields
-        private T _value;
-        private bool _isReadOnly;
-        private bool _isVisible = true;
-        private bool _showLabel = true;
+        protected T _value;
+        protected bool _isReadOnly;
+        protected bool _isVisible = true;
+        protected bool _showLabel = true;
         private string? _description;
-        private string? _tooltip;
+        protected string? _tooltip;
         private string? _groupId;
         private bool _disposed;
         #endregion
@@ -88,7 +88,12 @@ namespace UVC.UIToolkit
         public bool IsReadOnly
         {
             get => _isReadOnly;
-            set => _isReadOnly = value;
+            set
+            {
+                if (_isReadOnly == value) return;
+                _isReadOnly = value;
+                OnStateChanged?.Invoke(this);
+            }
         }
 
         /// <summary>표시 여부</summary>
@@ -109,7 +114,11 @@ namespace UVC.UIToolkit
         public bool ShowLabel
         {
             get => _showLabel;
-            set => _showLabel = value;
+            set{
+                if (_showLabel == value) return;
+                _showLabel = value;
+                OnStateChanged?.Invoke(this);
+            }
         }
         #endregion
 
@@ -119,6 +128,9 @@ namespace UVC.UIToolkit
 
         /// <summary>값 변경 이벤트 (제네릭 타입)</summary>
         public event Action<IUTKPropertyItem<T>, T, T>? OnTypedValueChanged;
+
+        /// <summary>상태(ReadOnly 등) 변경 이벤트</summary>
+        public event Action<IUTKPropertyItem>? OnStateChanged;
         #endregion
 
         #region Constructor
@@ -141,24 +153,41 @@ namespace UVC.UIToolkit
         public object? GetValue() => _value;
 
         /// <summary>값을 설정합니다 (타입 변환 포함).</summary>
-        public void SetValue(object? value)
+        public void SetValue(object? value, bool notifyChangeEvent = false)
         {
             if (value == null)
             {
                 if (default(T) == null)
                 {
-                    Value = default!;
+                    if (notifyChangeEvent)
+                    {
+                        Value = default!;
+                    }
+                    else
+                    {
+                        _value = default!;
+                    }
                 }
             }
             else if (value is T typedValue)
             {
-                Value = typedValue;
+                if (notifyChangeEvent)
+                {
+                    Value = typedValue;
+                }
+                else
+                {
+                    _value = typedValue;
+                }
             }
             else
             {
                 try
                 {
-                    Value = (T)Convert.ChangeType(value, typeof(T));
+                    if (notifyChangeEvent)
+                        Value = (T)Convert.ChangeType(value, typeof(T));
+                    else
+                        _value = (T)Convert.ChangeType(value, typeof(T));
                 }
                 catch (Exception ex)
                 {
@@ -195,6 +224,7 @@ namespace UVC.UIToolkit
             {
                 OnValueChanged = null;
                 OnTypedValueChanged = null;
+                OnStateChanged = null;
             }
         }
         #endregion

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKBoolPropertyItem.cs

@@ -21,10 +21,11 @@ namespace UVC.UIToolkit
         /// <param name="name">표시 이름</param>
         /// <param name="initialValue">초기 값</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKBoolPropertyItem(string id, string name, bool initialValue = false, bool isReadOnly = false)
+        public UTKBoolPropertyItem(string id, string name, bool initialValue = false, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue)
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKButtonItem.cs

@@ -37,9 +37,6 @@ namespace UVC.UIToolkit
         /// <summary>아이콘만 표시 모드</summary>
         public bool IconOnly { get; set; }
 
-        /// <summary>라벨 표시 여부 (false면 버튼이 전체 너비 사용)</summary>
-        public bool ShowLabel { get; set; }
-
         /// <summary>액션 이름 (버튼 클릭 시 전달되는 고유 이름)</summary>
         public string ActionName { get; }
         #endregion
@@ -72,7 +69,7 @@ namespace UVC.UIToolkit
             BackgroundColor = null;
             BorderWidth = -1;
             IconOnly = false;
-            ShowLabel = true; // 기본적으로 라벨 표시
+            _showLabel = true; // 기본적으로 라벨 표시
         }
 
         /// <summary>
@@ -112,7 +109,7 @@ namespace UVC.UIToolkit
             BackgroundColor = backgroundColor;
             BorderWidth = borderWidth;
             IconOnly = iconOnly;
-            ShowLabel = showLabel;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKColorPropertyItem.cs

@@ -34,11 +34,13 @@ namespace UVC.UIToolkit
         /// <param name="initialValue">초기 값</param>
         /// <param name="useAlpha">알파 채널 사용 여부</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKColorPropertyItem(string id, string name, Color initialValue = default, bool useAlpha = false, bool isReadOnly = false)
+        /// <param name="showLabel">레이블 표시 여부</param>
+        public UTKColorPropertyItem(string id, string name, Color initialValue = default, bool useAlpha = false, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue)
         {
             _useAlpha = useAlpha;
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKColorStatePropertyItem.cs

@@ -22,10 +22,12 @@ namespace UVC.UIToolkit
         /// <param name="name">표시 이름</param>
         /// <param name="initialValue">초기 값</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKColorStatePropertyItem(string id, string name, UTKColorState initialValue = default, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKColorStatePropertyItem(string id, string name, UTKColorState initialValue = default, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue)
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
 
         /// <summary>
@@ -36,10 +38,12 @@ namespace UVC.UIToolkit
         /// <param name="state">상태 텍스트</param>
         /// <param name="color">색상</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKColorStatePropertyItem(string id, string name, string state, Color color, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKColorStatePropertyItem(string id, string name, string state, Color color, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, new UTKColorState(state, color))
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
 

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKDatePropertyItem.cs

@@ -49,12 +49,14 @@ namespace UVC.UIToolkit
         /// <param name="name">표시 이름</param>
         /// <param name="initialValue">초기 값 (default이면 오늘 날짜)</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKDatePropertyItem(string id, string name, DateTime initialValue = default, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKDatePropertyItem(string id, string name, DateTime initialValue = default, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue == default ? DateTime.Today : initialValue)
         {
             _minDay = DateTime.MinValue;
             _maxDay = DateTime.MaxValue;
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
 
         /// <summary>
@@ -66,12 +68,14 @@ namespace UVC.UIToolkit
         /// <param name="minDay">최소 날짜 (null이면 제한 없음)</param>
         /// <param name="maxDay">최대 날짜 (null이면 제한 없음)</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKDatePropertyItem(string id, string name, DateTime initialValue, DateTime? minDay, DateTime? maxDay, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKDatePropertyItem(string id, string name, DateTime initialValue, DateTime? minDay, DateTime? maxDay, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue == default ? DateTime.Today : initialValue)
         {
             _minDay = minDay ?? DateTime.MinValue;
             _maxDay = maxDay ?? DateTime.MaxValue;
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKDateRangePropertyItem.cs

@@ -33,10 +33,12 @@ namespace UVC.UIToolkit
         /// <param name="name">표시 이름</param>
         /// <param name="initialValue">초기 범위 값</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKDateRangePropertyItem(string id, string name, UTKDateRange initialValue = default, bool isReadOnly = false)
+        /// <param name="showLabel">레이블 표시 여부</param>
+        public UTKDateRangePropertyItem(string id, string name, UTKDateRange initialValue = default, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue.Start == default ? new UTKDateRange(DateTime.Today, DateTime.Today) : initialValue)
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
 
         /// <summary>
@@ -47,10 +49,11 @@ namespace UVC.UIToolkit
         /// <param name="start">시작 날짜</param>
         /// <param name="end">종료 날짜</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKDateRangePropertyItem(string id, string name, DateTime start, DateTime end, bool isReadOnly = false)
+        public UTKDateRangePropertyItem(string id, string name, DateTime start, DateTime end, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, new UTKDateRange(start, end))
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKDateTimePropertyItem.cs

@@ -33,10 +33,12 @@ namespace UVC.UIToolkit
         /// <param name="name">표시 이름</param>
         /// <param name="initialValue">초기 값 (default이면 현재 시간)</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKDateTimePropertyItem(string id, string name, DateTime initialValue = default, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKDateTimePropertyItem(string id, string name, DateTime initialValue = default, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue == default ? DateTime.Now : initialValue)
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKDateTimeRangePropertyItem.cs

@@ -33,10 +33,12 @@ namespace UVC.UIToolkit
         /// <param name="name">표시 이름</param>
         /// <param name="initialValue">초기 범위 값</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKDateTimeRangePropertyItem(string id, string name, UTKDateTimeRange initialValue = default, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKDateTimeRangePropertyItem(string id, string name, UTKDateTimeRange initialValue = default, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue.Start == default ? new UTKDateTimeRange(DateTime.Now, DateTime.Now) : initialValue)
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
 
         /// <summary>
@@ -47,10 +49,11 @@ namespace UVC.UIToolkit
         /// <param name="start">시작 날짜시간</param>
         /// <param name="end">종료 날짜시간</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKDateTimeRangePropertyItem(string id, string name, DateTime start, DateTime end, bool isReadOnly = false)
+        public UTKDateTimeRangePropertyItem(string id, string name, DateTime start, DateTime end, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, new UTKDateTimeRange(start, end))
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKDropdownPropertyItem.cs

@@ -35,7 +35,8 @@ namespace UVC.UIToolkit
         /// <param name="choices">선택 항목 목록</param>
         /// <param name="initialValue">초기 선택 값</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKDropdownPropertyItem(string id, string name, List<string> choices, string initialValue = "", bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKDropdownPropertyItem(string id, string name, List<string> choices, string initialValue = "", bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue)
         {
             _choices = choices ?? new List<string>();
@@ -43,9 +44,10 @@ namespace UVC.UIToolkit
             // initialValue가 choices에 없으면 첫 번째 항목 선택
             if (!string.IsNullOrEmpty(initialValue) && !_choices.Contains(initialValue) && _choices.Count > 0)
             {
-                Value = _choices[0];
+                _value = _choices[0];
             }
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
 
         /// <summary>
@@ -56,20 +58,22 @@ namespace UVC.UIToolkit
         /// <param name="choices">선택 항목 목록</param>
         /// <param name="selectedIndex">초기 선택 인덱스</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKDropdownPropertyItem(string id, string name, IEnumerable<string> choices, int selectedIndex = 0, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKDropdownPropertyItem(string id, string name, IEnumerable<string> choices, int selectedIndex = 0, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, string.Empty)
         {
             _choices = choices?.ToList() ?? new List<string>();
 
             if (_choices.Count > 0 && selectedIndex >= 0 && selectedIndex < _choices.Count)
             {
-                Value = _choices[selectedIndex];
+                _value = _choices[selectedIndex];
             }
             else if (_choices.Count > 0)
             {
-                Value = _choices[0];
+                _value = _choices[0];
             }
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
 

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKEnumPropertyItem.cs

@@ -29,11 +29,13 @@ namespace UVC.UIToolkit
         /// <param name="name">표시 이름</param>
         /// <param name="initialValue">초기 값 (열거형 타입 추론에 사용)</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKEnumPropertyItem(string id, string name, Enum initialValue, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKEnumPropertyItem(string id, string name, Enum initialValue, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue ?? throw new ArgumentNullException(nameof(initialValue)))
         {
             _enumType = initialValue.GetType();
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKFloatDropdownPropertyItem.cs

@@ -0,0 +1,138 @@
+#nullable enable
+using System.Collections.Generic;
+
+namespace UVC.UIToolkit
+{
+    /// <summary>
+    /// Float + Dropdown 복합 속성 데이터 클래스입니다.
+    /// Float 값(또는 Stepper)과 Dropdown 선택을 하나의 행에 표시합니다.
+    /// UI는 UTKFloatDropdownPropertyItemView에서 담당합니다.
+    /// </summary>
+    public class UTKFloatDropdownPropertyItem : UTKPropertyItemBase<UTKFloatDropdownValue>
+    {
+        #region Fields
+        private List<string> _choices;
+        private bool _useStepper;
+        private float _floatMinValue = float.MinValue;
+        private float _floatMaxValue = float.MaxValue;
+        private float _stepperStep = 1.0f;
+        #endregion
+
+        #region Properties
+        /// <summary>속성 타입</summary>
+        public override UTKPropertyType PropertyType => UTKPropertyType.FloatDropdown;
+
+        /// <summary>Dropdown 선택 목록</summary>
+        public List<string> Choices => _choices;
+
+        /// <summary>스테퍼(증감 버튼) 사용 여부. false이면 UTKFloatField 사용</summary>
+        public bool UseStepper
+        {
+            get => _useStepper;
+            set => _useStepper = value;
+        }
+
+        /// <summary>Float 최소값</summary>
+        public float FloatMinValue
+        {
+            get => _floatMinValue;
+            set => _floatMinValue = value;
+        }
+
+        /// <summary>Float 최대값</summary>
+        public float FloatMaxValue
+        {
+            get => _floatMaxValue;
+            set => _floatMaxValue = value;
+        }
+
+        /// <summary>스테퍼 증감 단위 (기본값: 1.0)</summary>
+        public float StepperStep
+        {
+            get => _stepperStep;
+            set => _stepperStep = value > 0 ? value : 1.0f;
+        }
+        #endregion
+
+        #region Constructor
+        /// <summary>
+        /// Float + Dropdown 복합 속성을 생성합니다.
+        /// </summary>
+        /// <param name="id">고유 ID</param>
+        /// <param name="name">표시 이름</param>
+        /// <param name="floatValue">초기 float 값</param>
+        /// <param name="choices">Dropdown 선택 목록</param>
+        /// <param name="dropdownValue">초기 Dropdown 선택 값</param>
+        /// <param name="useStepper">스테퍼 사용 여부</param>
+        /// <param name="isReadOnly">읽기 전용 여부</param>
+        /// <param name="showLabel">레이블 표시 여부</param>
+        public UTKFloatDropdownPropertyItem(
+            string id,
+            string name,
+            float floatValue,
+            List<string> choices,
+            string dropdownValue = "",
+            bool useStepper = false,
+            bool isReadOnly = false,
+            bool showLabel = true)
+            : base(id, name, new UTKFloatDropdownValue(floatValue, ValidateDropdownValue(dropdownValue, choices)))
+        {
+            _choices = new List<string>(choices);
+            _useStepper = useStepper;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
+        }
+
+        /// <summary>
+        /// Float + Dropdown 복합 속성을 생성합니다
+        /// (최소/최대 float 값 및 스테퍼 단위 포함)
+        /// </summary>
+        /// <param name="id">고유 ID</param>
+        /// <param name="name">표시 이름</param>
+        /// <param name="floatValue">초기 float 값</param>
+        /// <param name="choices">Dropdown 선택 목록</param>
+        /// <param name="dropdownValue">초기 Dropdown 선택 값</param>
+        /// <param name="floatMinValue">Float 최소값</param>
+        /// <param name="floatMaxValue">Float 최대값</param>
+        /// <param name="stepperStep">스테퍼 증감 단위</param
+        /// <param name="useStepper">스테퍼 사용 여부</param>
+        /// <param name="isReadOnly">읽기 전용 여부</param>
+        /// <param name="showLabel">레이블 표시 여부</param>
+        public UTKFloatDropdownPropertyItem(
+            string id,
+            string name,
+            float floatValue,
+            List<string> choices,
+            string dropdownValue,
+            float floatMinValue,
+            float floatMaxValue,
+            float stepperStep = 1.0f,
+            bool useStepper = false,
+            bool isReadOnly = false,
+            bool showLabel = true)
+            : base(id, name, new UTKFloatDropdownValue(floatValue, ValidateDropdownValue(dropdownValue, choices)))
+        {
+            _choices = new List<string>(choices);
+            _floatMinValue = floatMinValue;
+            _floatMaxValue = floatMaxValue;
+            _stepperStep = stepperStep;
+            _useStepper = useStepper;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
+        }
+        #endregion
+
+        #region Methods
+        /// <summary>Dropdown 선택 값 검증 (목록에 없으면 첫 번째 값 반환)</summary>
+        private static string ValidateDropdownValue(string value, List<string> choices)
+        {
+            if (choices.Count == 0) return value;
+            if (string.IsNullOrEmpty(value) || !choices.Contains(value))
+            {
+                return choices[0];
+            }
+            return value;
+        }
+        #endregion
+    }
+}

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKFloatDropdownPropertyItem.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 86800100e89e3d34fa8b8afa7f290064

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKFloatPropertyItem.cs

@@ -64,10 +64,12 @@ namespace UVC.UIToolkit
         /// <param name="name">표시 이름</param>
         /// <param name="initialValue">초기 값</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKFloatPropertyItem(string id, string name, float initialValue = 0f, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKFloatPropertyItem(string id, string name, float initialValue = 0f, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue)
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
 
         /// <summary>
@@ -81,14 +83,16 @@ namespace UVC.UIToolkit
         /// <param name="useSlider">슬라이더 사용 여부</param>
         /// <param name="useStepper">스테퍼 사용 여부</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKFloatPropertyItem(string id, string name, float initialValue, float minValue = float.MinValue, float maxValue = float.MaxValue, bool useSlider = true, bool useStepper = false, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKFloatPropertyItem(string id, string name, float initialValue, float minValue = float.MinValue, float maxValue = float.MaxValue, bool useSlider = true, bool useStepper = false, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue)
         {
             _minValue = minValue;
             _maxValue = maxValue;
             _useSlider = useSlider;
             _useStepper = useStepper;
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKFloatRangePropertyItem.cs

@@ -8,23 +8,63 @@ namespace UVC.UIToolkit
     /// </summary>
     public class UTKFloatRangePropertyItem : UTKPropertyItemBase<UTKFloatRange>
     {
+        #region Fields
+        private bool _useStepper;
+        private float _stepperMinValue = float.MinValue;
+        private float _stepperMaxValue = float.MaxValue;
+        private float _stepperStep = 1.0f;
+        #endregion
+
         #region Properties
         /// <summary>속성 타입</summary>
         public override UTKPropertyType PropertyType => UTKPropertyType.FloatRange;
+
+        /// <summary>스테퍼(증감 버튼) 사용 여부</summary>
+        public bool UseStepper
+        {
+            get => _useStepper;
+            set
+            {
+                _useStepper = value;
+            }
+        }
+
+        /// <summary>스테퍼 증감 단위 (기본값: 1.0)</summary>
+        public float StepperStep
+        {
+            get => _stepperStep;
+            set => _stepperStep = value > 0 ? value : 1.0f;
+        }
+
+        /// <summary>스테퍼 최소값</summary>
+        public float StepperMinValue
+        {
+            get => _stepperMinValue;
+            set => _stepperMinValue = value;
+        }
+
+        /// <summary>스테퍼 최대값</summary>
+        public float StepperMaxValue
+        {
+            get => _stepperMaxValue;
+            set => _stepperMaxValue = value;
+        }
         #endregion
 
         #region Constructor
         /// <summary>
-        /// 실수 범위 속성을 생성합니다.
+        /// 실수 범위 속성을 생성합니다 (필드 모드).
         /// </summary>
         /// <param name="id">고유 ID</param>
         /// <param name="name">표시 이름</param>
         /// <param name="initialValue">초기 범위 값</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKFloatRangePropertyItem(string id, string name, UTKFloatRange initialValue = default, bool isReadOnly = false)
+        /// <param name="showLabel">레이블 표시 여부</param>
+        public UTKFloatRangePropertyItem(string id, string name, UTKFloatRange initialValue = default, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue)
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
 
         /// <summary>
@@ -34,11 +74,44 @@ namespace UVC.UIToolkit
         /// <param name="name">표시 이름</param>
         /// <param name="min">최소값</param>
         /// <param name="max">최대값</param>
+        /// <param name="stepperStep">스테퍼 증감 단위</param>
+        /// <param name="stepperMinValue">스테퍼 최소값</param>
+        /// <param name="stepperMaxValue">스테퍼 최대값</param>
+        /// <param name="useStepper">스테퍼 사용 여부</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKFloatRangePropertyItem(string id, string name, float min, float max, bool isReadOnly = false)
+        /// <param name="showLabel">레이블 표시 여부</param>
+        public UTKFloatRangePropertyItem(string id, string name, float min, float max, float stepperStep = 1.0f, float stepperMinValue = float.MinValue, float stepperMaxValue = float.MaxValue, bool useStepper = false, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, new UTKFloatRange(min, max))
         {
-            IsReadOnly = isReadOnly;
+            _stepperMinValue = stepperMinValue;
+            _stepperMaxValue = stepperMaxValue;
+            _useStepper = useStepper;
+            _stepperStep = stepperStep;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
+        }
+
+        /// <summary>
+        /// 실수 범위 속성을 생성합니다 (스테퍼 모드).
+        /// </summary>
+        /// <param name="id">고유 ID</param>
+        /// <param name="name">표시 이름</param>
+        /// <param name="initialValue">초기 범위 값</param>
+        /// <param name="stepperStep">스테퍼 증감 단위</param>
+        /// <param name="stepperMinValue">스테퍼 최소값</param>
+        /// <param name="stepperMaxValue">스테퍼 최대값</param>
+        /// <param name="useStepper">스테퍼 사용 여부</param>
+        /// <param name="isReadOnly">읽기 전용 여부</param>
+        /// <param name="showLabel">레이블 표시 여부</param>
+        public UTKFloatRangePropertyItem(string id, string name, UTKFloatRange initialValue, float stepperStep = 1.0f, float stepperMinValue = float.MinValue, float stepperMaxValue = float.MaxValue, bool useStepper = false, bool isReadOnly = false, bool showLabel = true)
+            : base(id, name, initialValue)
+        {
+            _stepperMinValue = stepperMinValue;
+            _stepperMaxValue = stepperMaxValue;
+            _useStepper = useStepper;
+            _stepperStep = stepperStep;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKIntPropertyItem.cs

@@ -85,14 +85,16 @@ namespace UVC.UIToolkit
         /// <param name="maxValue">최대값</param>
         /// <param name="useSlider">슬라이더 사용 여부</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKIntPropertyItem(string id, string name, int initialValue, int minValue, int maxValue, bool useSlider = false, bool useStepper = false, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKIntPropertyItem(string id, string name, int initialValue, int minValue, int maxValue, bool useSlider = false, bool useStepper = false, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue)
         {
             _minValue = minValue;
             _maxValue = maxValue;
             _useSlider = useSlider;
             _useStepper = useStepper;
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKIntRangePropertyItem.cs

@@ -60,10 +60,12 @@ namespace UVC.UIToolkit
         /// <param name="name">표시 이름</param>
         /// <param name="initialValue">초기 범위 값</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKIntRangePropertyItem(string id, string name, UTKIntRange initialValue = default, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKIntRangePropertyItem(string id, string name, UTKIntRange initialValue = default, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue)
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
 
         /// <summary>
@@ -78,14 +80,16 @@ namespace UVC.UIToolkit
         /// <param name="stepperMaxValue">스테퍼 최대값</param>
         /// <param name="useStepper">스테퍼 사용 여부</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKIntRangePropertyItem(string id, string name, int min, int max, int stepperStep = 1, int stepperMinValue = int.MinValue, int stepperMaxValue = int.MaxValue, bool useStepper = false, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKIntRangePropertyItem(string id, string name, int min, int max, int stepperStep = 1, int stepperMinValue = int.MinValue, int stepperMaxValue = int.MaxValue, bool useStepper = false, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, new UTKIntRange(min, max))
         {
             _stepperMinValue = stepperMinValue;
             _stepperMaxValue = stepperMaxValue;
             _useStepper = useStepper;
             _stepperStep = stepperStep;
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
 
         /// <summary>
@@ -99,14 +103,16 @@ namespace UVC.UIToolkit
         /// <param name="stepperMaxValue">스테퍼 최대값</param>
         /// <param name="useStepper">스테퍼 사용 여부</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKIntRangePropertyItem(string id, string name, UTKIntRange initialValue, int stepperStep = 1, int stepperMinValue = int.MinValue, int stepperMaxValue = int.MaxValue, bool useStepper = false, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKIntRangePropertyItem(string id, string name, UTKIntRange initialValue, int stepperStep = 1, int stepperMinValue = int.MinValue, int stepperMaxValue = int.MaxValue, bool useStepper = false, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue)
         {
             _stepperMinValue = stepperMinValue;
             _stepperMaxValue = stepperMaxValue;
             _useStepper = useStepper;
             _stepperStep = stepperStep;
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKMultiSelectDropdownPropertyItem.cs

@@ -51,12 +51,14 @@ namespace UVC.UIToolkit
         /// <param name="choices">선택 항목 목록</param>
         /// <param name="initialValues">초기 선택 값 목록</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
+        /// <param name="showLabel">라벨 표시 여부</param>
         public UTKMultiSelectDropdownPropertyItem(
             string id,
             string name,
             List<string> choices,
             List<string>? initialValues = null,
-            bool isReadOnly = false)
+            bool isReadOnly = false,
+            bool showLabel = true)
             : base(id, name, initialValues ?? new List<string>())
         {
             _choices = choices ?? new List<string>();
@@ -65,10 +67,11 @@ namespace UVC.UIToolkit
             if (initialValues != null && initialValues.Count > 0)
             {
                 var validValues = initialValues.Where(v => _choices.Contains(v)).ToList();
-                Value = validValues;
+                _value = validValues;
             }
 
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
 
         /// <summary>
@@ -79,12 +82,14 @@ namespace UVC.UIToolkit
         /// <param name="choices">선택 항목 목록</param>
         /// <param name="selectedIndices">초기 선택 인덱스 목록</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
+        /// <param name="showLabel">라벨 표시 여부</param>
         public UTKMultiSelectDropdownPropertyItem(
             string id,
             string name,
             IEnumerable<string> choices,
             IEnumerable<int>? selectedIndices = null,
-            bool isReadOnly = false)
+            bool isReadOnly = false,
+            bool showLabel = true)
             : base(id, name, new List<string>())
         {
             _choices = choices?.ToList() ?? new List<string>();
@@ -95,10 +100,11 @@ namespace UVC.UIToolkit
                     .Where(i => i >= 0 && i < _choices.Count)
                     .Select(i => _choices[i])
                     .ToList();
-                Value = validValues;
+                _value = validValues;
             }
 
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
 

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKRadioPropertyItem.cs

@@ -49,11 +49,13 @@ namespace UVC.UIToolkit
         /// <param name="choices">선택 항목 목록</param>
         /// <param name="selectedIndex">초기 선택 인덱스</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKRadioPropertyItem(string id, string name, List<string> choices, int selectedIndex = 0, bool isReadOnly = false)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKRadioPropertyItem(string id, string name, List<string> choices, int selectedIndex = 0, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, Math.Max(0, Math.Min(selectedIndex, (choices?.Count ?? 1) - 1)))
         {
             _choices = choices ?? new List<string>();
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
 
         /// <summary>
@@ -64,8 +66,9 @@ namespace UVC.UIToolkit
         /// <param name="choices">선택 항목 목록</param>
         /// <param name="selectedIndex">초기 선택 인덱스</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKRadioPropertyItem(string id, string name, IEnumerable<string> choices, int selectedIndex = 0, bool isReadOnly = false)
-            : this(id, name, choices?.ToList() ?? new List<string>(), selectedIndex, isReadOnly)
+        /// <param name="showLabel">라벨 표시 여부</param>
+        public UTKRadioPropertyItem(string id, string name, IEnumerable<string> choices, int selectedIndex = 0, bool isReadOnly = false, bool showLabel = true)
+            : this(id, name, choices?.ToList() ?? new List<string>(), selectedIndex, isReadOnly, showLabel)
         {
         }
         #endregion

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKStringPropertyItem.cs

@@ -45,13 +45,15 @@ namespace UVC.UIToolkit
         /// <param name="isMultiline">멀티라인 모드</param>
         /// <param name="maxLength">최대 문자 길이</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
+        /// <param name="showLabel">레이블 표시 여부</param>
         /// <param name="actionButton">액션 버튼</param>
-        public UTKStringPropertyItem(string id, string name, string initialValue = "", bool isMultiline = false, int maxLength = -1, bool isReadOnly = false, UTKButtonItem? actionButton = null)
+        public UTKStringPropertyItem(string id, string name, string initialValue = "", bool isMultiline = false, int maxLength = -1, bool isReadOnly = false, bool showLabel = true, UTKButtonItem? actionButton = null)
             : base(id, name, initialValue ?? string.Empty)
         {
-            IsReadOnly = isReadOnly;
             _isMultiline = isMultiline;
             _maxLength = maxLength;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
             ActionButton = actionButton;
         }
         #endregion

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKVector2PropertyItem.cs

@@ -22,10 +22,12 @@ namespace UVC.UIToolkit
         /// <param name="name">표시 이름</param>
         /// <param name="initialValue">초기 값</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKVector2PropertyItem(string id, string name, Vector2 initialValue = default, bool isReadOnly = false)
+        /// <param name="showLabel">레이블 표시 여부</param>
+        public UTKVector2PropertyItem(string id, string name, Vector2 initialValue = default, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue)
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Items/UTKVector3PropertyItem.cs

@@ -22,10 +22,12 @@ namespace UVC.UIToolkit
         /// <param name="name">표시 이름</param>
         /// <param name="initialValue">초기 값</param>
         /// <param name="isReadOnly">읽기 전용 여부</param>
-        public UTKVector3PropertyItem(string id, string name, Vector3 initialValue = default, bool isReadOnly = false)
+        /// <param name="showLabel">레이블 표시 여부</param>
+        public UTKVector3PropertyItem(string id, string name, Vector3 initialValue = default, bool isReadOnly = false, bool showLabel = true)
             : base(id, name, initialValue)
         {
-            IsReadOnly = isReadOnly;
+            _isReadOnly = isReadOnly;
+            _showLabel = showLabel;
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKBoolPropertyItemView.cs

@@ -217,17 +217,18 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -235,6 +236,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKButtonItemView.cs

@@ -137,6 +137,7 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             // 라벨 텍스트 설정
             if (_labelElement != null)
@@ -191,6 +192,7 @@ namespace UVC.UIToolkit
         {
             if (_boundData != null)
             {
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKColorPropertyItemView.cs

@@ -349,12 +349,13 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             if (data is UTKColorPropertyItem colorItem)
             {
@@ -364,7 +365,7 @@ namespace UVC.UIToolkit
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -372,6 +373,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKColorStatePropertyItemView.cs

@@ -283,17 +283,18 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -301,6 +302,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKDatePropertyItemView.cs

@@ -273,12 +273,13 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             if (data is UTKDatePropertyItem dateItem)
             {
@@ -288,7 +289,7 @@ namespace UVC.UIToolkit
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -296,6 +297,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKDateRangePropertyItemView.cs

@@ -376,12 +376,13 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             if (data is UTKDateRangePropertyItem dateRangeItem)
             {
@@ -391,7 +392,7 @@ namespace UVC.UIToolkit
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -399,6 +400,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKDateTimePropertyItemView.cs

@@ -273,12 +273,13 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             if (data is UTKDateTimePropertyItem dateTimeItem)
             {
@@ -288,7 +289,7 @@ namespace UVC.UIToolkit
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -296,6 +297,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKDateTimeRangePropertyItemView.cs

@@ -376,12 +376,13 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             if (data is UTKDateTimeRangePropertyItem dateTimeRangeItem)
             {
@@ -391,7 +392,7 @@ namespace UVC.UIToolkit
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -399,6 +400,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKDropdownPropertyItemView.cs

@@ -325,12 +325,13 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value ?? string.Empty;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             if (data is UTKDropdownPropertyItem dropdownItem)
             {
@@ -344,7 +345,7 @@ namespace UVC.UIToolkit
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -352,6 +353,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKEnumPropertyItemView.cs

@@ -277,13 +277,14 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
             _enumType = data.Value?.GetType();
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             if (_enumDropdown != null && _value != null)
             {
@@ -293,7 +294,7 @@ namespace UVC.UIToolkit
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -301,6 +302,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKFloatDropdownPropertyItemView.cs

@@ -0,0 +1,505 @@
+#nullable enable
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace UVC.UIToolkit
+{
+    /// <summary>
+    /// Float + Dropdown 복합 속성 View 클래스입니다.
+    /// UTKFloatField(또는 UTKFloatStepper)와 UTKDropdown을 사용하여
+    /// float 값과 문자열 선택을 하나의 행에 표시/편집합니다.
+    ///
+    /// <para><b>사용법 (Data 바인딩):</b></para>
+    /// <code>
+    /// var data = new UTKFloatDropdownPropertyItem("id", "Label", 1.5f,
+    ///     new List&lt;string&gt; { "A", "B", "C" }, "A");
+    /// var view = new UTKFloatDropdownPropertyItemView();
+    /// view.Bind(data);
+    /// </code>
+    /// </summary>
+    [UxmlElement]
+    public partial class UTKFloatDropdownPropertyItemView : UTKPropertyItemViewBase, IUTKPropertyItemView<UTKFloatDropdownValue>
+    {
+        #region Fields
+        private UTKFloatField? _floatField;
+        private UTKFloatStepper? _stepper;
+        private UTKDropdown? _dropdown;
+        private UTKInputField? _readOnlyField;
+
+        private UTKFloatDropdownValue _value;
+        private List<string> _choices = new();
+        private bool _useStepper;
+        private float _floatMinValue = float.MinValue;
+        private float _floatMaxValue = float.MaxValue;
+        private float _stepperStep = 1.0f;
+
+        private IUTKPropertyItem<UTKFloatDropdownValue>? _boundData;
+        #endregion
+
+        #region Properties
+        protected override string ViewTypeName => "UTKFloatDropdownPropertyItemView";
+
+        /// <summary>현재 값</summary>
+        public UTKFloatDropdownValue Value
+        {
+            get => _value;
+            set
+            {
+                if (!_value.Equals(value))
+                {
+                    _value = value;
+                    UpdateValueUI();
+                    OnValueChanged?.Invoke(value);
+
+                    if (_boundData != null && !_boundData.Value.Equals(value))
+                    {
+                        _boundData.Value = value;
+                    }
+                }
+            }
+        }
+
+        /// <summary>Dropdown 선택 목록</summary>
+        public List<string> Choices
+        {
+            get => _choices;
+            set
+            {
+                _choices = value ?? new List<string>();
+                _dropdown?.SetOptions(_choices);
+            }
+        }
+
+        /// <summary>스테퍼(증감 버튼) 사용 여부</summary>
+        public bool UseStepper
+        {
+            get => _useStepper;
+            set
+            {
+                if (_useStepper != value)
+                {
+                    _useStepper = value;
+                    UpdateControlVisibility();
+                }
+            }
+        }
+        #endregion
+
+        #region Events
+        public event Action<UTKFloatDropdownValue>? OnValueChanged;
+        #endregion
+
+        #region Constructor
+        public UTKFloatDropdownPropertyItemView() : base()
+        {
+            InitializeUI();
+        }
+
+        public UTKFloatDropdownPropertyItemView(string label, List<string> choices) : base()
+        {
+            _choices = new List<string>(choices);
+            Label = label;
+            InitializeUI();
+        }
+
+        public UTKFloatDropdownPropertyItemView(UTKFloatDropdownPropertyItem data) : base()
+        {
+            _value = data.Value;
+            _choices = new List<string>(data.Choices);
+            _useStepper = data.UseStepper;
+            _floatMinValue = data.FloatMinValue;
+            _floatMaxValue = data.FloatMaxValue;
+            _stepperStep = data.StepperStep;
+            Label = data.Name;
+            _isReadOnly = data.IsReadOnly;
+            InitializeUI();
+            Bind(data);
+        }
+        #endregion
+
+        #region Initialization
+        private void InitializeUI()
+        {
+            AddToClassList("utk-property-item-view");
+            AddToClassList("utk-property-item-view--float-dropdown");
+
+            if (!CreateUIFromUxml())
+            {
+                CreateUIFallback();
+            }
+
+            QueryUIElements();
+            RegisterEvents();
+            UpdateControlVisibility();
+            UpdateValueUI();
+            UpdateReadOnlyState();
+        }
+
+        private void QueryUIElements()
+        {
+            _floatField = this.Q<UTKFloatField>("float-field");
+            _dropdown = this.Q<UTKDropdown>("dropdown-field");
+            _stepper = this.Q<UTKFloatStepper>("stepper-field");
+
+            if (_valueContainer != null)
+            {
+                _valueContainer.style.flexDirection = FlexDirection.Row;
+
+                // FloatField 생성
+                if (_floatField == null)
+                {
+                    _floatField = new UTKFloatField { name = "float-field" };
+                    _floatField.AddToClassList("utk-float-dropdown-view__float-field");
+                    _valueContainer.Add(_floatField);
+                }
+
+                // FloatStepper 생성
+                if (_stepper == null)
+                {
+                    _stepper = new UTKFloatStepper(_floatMinValue, _floatMaxValue, _value.FloatValue, _stepperStep, IsReadOnly)
+                    {
+                        name = "stepper-field"
+                    };
+                    _stepper.AddToClassList("utk-float-dropdown-view__stepper");
+                    _valueContainer.Add(_stepper);
+                }
+
+                // Dropdown 생성
+                if (_dropdown == null)
+                {
+                    _dropdown = new UTKDropdown { name = "dropdown-field" };
+                    _dropdown.AddToClassList("utk-float-dropdown-view__dropdown");
+                    _valueContainer.Add(_dropdown);
+                }
+            }
+
+            // 초기 값 설정
+            if (_floatField != null)
+            {
+                _floatField.SetValueWithoutNotify(_value.FloatValue);
+                _floatField.isReadOnly = IsReadOnly;
+            }
+            if (_stepper != null)
+            {
+                _stepper.MinValue = _floatMinValue;
+                _stepper.MaxValue = _floatMaxValue;
+                _stepper.Step = _stepperStep;
+                _stepper.SetValue(_value.FloatValue, false);
+                _stepper.IsReadOnly = IsReadOnly;
+            }
+            if (_dropdown != null)
+            {
+                _dropdown.SetOptions(_choices);
+                _dropdown.SetSelectedValue(_value.DropdownValue, notify: false);
+                _dropdown.IsEnabled = !IsReadOnly;
+            }
+        }
+
+        private void RegisterEvents()
+        {
+            if (_floatField != null)
+            {
+                _floatField.OnValueChanged += OnFloatFieldChanged;
+            }
+            if (_stepper != null)
+            {
+                _stepper.OnValueChanged += OnStepperChanged;
+            }
+            if (_dropdown != null)
+            {
+                _dropdown.OnSelectionChanged += OnDropdownChanged;
+            }
+        }
+
+        private void UnregisterEvents()
+        {
+            if (_floatField != null)
+            {
+                _floatField.OnValueChanged -= OnFloatFieldChanged;
+            }
+            if (_stepper != null)
+            {
+                _stepper.OnValueChanged -= OnStepperChanged;
+            }
+            if (_dropdown != null)
+            {
+                _dropdown.OnSelectionChanged -= OnDropdownChanged;
+            }
+        }
+
+        /// <summary>컨트롤 가시성을 업데이트합니다.</summary>
+        private void UpdateControlVisibility()
+        {
+            bool isReadOnlyMode = IsReadOnly;
+            bool showStepper = !isReadOnlyMode && _useStepper;
+            bool showFloatField = !isReadOnlyMode && !_useStepper;
+            bool showDropdown = !isReadOnlyMode;
+
+            if (_floatField != null)
+            {
+                _floatField.style.display = showFloatField ? DisplayStyle.Flex : DisplayStyle.None;
+            }
+
+            if (_stepper != null)
+            {
+                _stepper.style.display = showStepper ? DisplayStyle.Flex : DisplayStyle.None;
+            }
+
+            if (_dropdown != null)
+            {
+                _dropdown.style.display = showDropdown ? DisplayStyle.Flex : DisplayStyle.None;
+            }
+
+            // ReadOnly 모드: 단일 텍스트 필드로 표시
+            if (isReadOnlyMode)
+            {
+                EnsureReadOnlyField();
+                if (_readOnlyField != null)
+                {
+                    _readOnlyField.style.display = DisplayStyle.Flex;
+                    _readOnlyField.Value = _value.ToString();
+                }
+            }
+            else
+            {
+                if (_readOnlyField != null)
+                {
+                    _readOnlyField.style.display = DisplayStyle.None;
+                }
+            }
+        }
+
+        /// <summary>ReadOnly 전용 필드를 필요 시 생성합니다.</summary>
+        private void EnsureReadOnlyField()
+        {
+            if (_readOnlyField != null || _valueContainer == null) return;
+
+            _readOnlyField = new UTKInputField { name = "readonly-field" };
+            _readOnlyField.AddToClassList("utk-float-dropdown-view__readonly-field");
+            _readOnlyField.isReadOnly = true;
+            _readOnlyField.Value = _value.ToString();
+            _valueContainer.Add(_readOnlyField);
+        }
+        #endregion
+
+        #region Override Methods
+        protected override void CreateValueUI(VisualElement container)
+        {
+            // UXML/QueryUIElements 기반으로 생성하므로 여기서는 생성하지 않음
+        }
+
+        public override void RefreshUI()
+        {
+            UpdateValueUI();
+        }
+
+        protected override void OnReadOnlyStateChanged(bool isReadOnly)
+        {
+            if (_floatField != null)
+            {
+                _floatField.isReadOnly = isReadOnly;
+            }
+            if (_stepper != null)
+            {
+                _stepper.IsReadOnly = isReadOnly;
+            }
+            if (_dropdown != null)
+            {
+                _dropdown.IsEnabled = !isReadOnly;
+            }
+
+            UpdateControlVisibility();
+        }
+        #endregion
+
+        #region Event Handling
+        private void OnFloatFieldChanged(float newFloat)
+        {
+            var newValue = new UTKFloatDropdownValue(newFloat, _value.DropdownValue);
+            if (!_value.Equals(newValue))
+            {
+                _value = newValue;
+
+                // 스테퍼가 있으면 동기화
+                if (_stepper != null && !Mathf.Approximately(_stepper.Value, newFloat))
+                {
+                    _stepper.SetValue(newFloat, false);
+                }
+
+                OnValueChanged?.Invoke(newValue);
+
+                if (_boundData != null && !_boundData.Value.Equals(newValue))
+                {
+                    _boundData.Value = newValue;
+                }
+            }
+        }
+
+        private void OnStepperChanged(float newFloat)
+        {
+            var newValue = new UTKFloatDropdownValue(newFloat, _value.DropdownValue);
+            if (!_value.Equals(newValue))
+            {
+                _value = newValue;
+
+                // FloatField가 있으면 동기화
+                if (_floatField != null && !Mathf.Approximately(_floatField.Value, newFloat))
+                {
+                    _floatField.SetValueWithoutNotify(newFloat);
+                }
+
+                OnValueChanged?.Invoke(newValue);
+
+                if (_boundData != null && !_boundData.Value.Equals(newValue))
+                {
+                    _boundData.Value = newValue;
+                }
+            }
+        }
+
+        private void OnDropdownChanged(int index, string newDropdownValue)
+        {
+            var newValue = new UTKFloatDropdownValue(_value.FloatValue, newDropdownValue);
+            if (!_value.Equals(newValue))
+            {
+                _value = newValue;
+                OnValueChanged?.Invoke(newValue);
+
+                if (_boundData != null && !_boundData.Value.Equals(newValue))
+                {
+                    _boundData.Value = newValue;
+                }
+            }
+        }
+        #endregion
+
+        #region Value Update
+        private void UpdateValueUI()
+        {
+            if (_floatField != null && !Mathf.Approximately(_floatField.Value, _value.FloatValue))
+            {
+                _floatField.SetValueWithoutNotify(_value.FloatValue);
+            }
+
+            if (_stepper != null && !Mathf.Approximately(_stepper.Value, _value.FloatValue))
+            {
+                _stepper.SetValue(_value.FloatValue, false);
+            }
+
+            if (_dropdown != null)
+            {
+                string? selectedValue = _dropdown.SelectedValue;
+                if (selectedValue != _value.DropdownValue)
+                {
+                    _dropdown.SetSelectedValue(_value.DropdownValue, notify: false);
+                }
+            }
+
+            if (_readOnlyField != null && IsReadOnly)
+            {
+                _readOnlyField.Value = _value.ToString();
+            }
+        }
+        #endregion
+
+        #region Data Binding
+        public void Bind(IUTKPropertyItem data)
+        {
+            if (data is IUTKPropertyItem<UTKFloatDropdownValue> typedData)
+            {
+                Bind(typedData);
+            }
+            else
+            {
+                Debug.LogWarning($"[UTKFloatDropdownPropertyItemView] Cannot bind to non-FloatDropdown data: {data.GetType().Name}");
+            }
+        }
+
+        public void Bind(IUTKPropertyItem<UTKFloatDropdownValue> data)
+        {
+            Unbind();
+
+            _boundData = data;
+            BindBase(data);
+
+            Label = data.Name;
+            _value = data.Value;
+            IsVisible = data.IsVisible;
+            TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
+
+            // UTKFloatDropdownPropertyItem의 설정 적용
+            if (data is UTKFloatDropdownPropertyItem floatDropdownItem)
+            {
+                _choices = new List<string>(floatDropdownItem.Choices);
+                _useStepper = floatDropdownItem.UseStepper;
+                _floatMinValue = floatDropdownItem.FloatMinValue;
+                _floatMaxValue = floatDropdownItem.FloatMaxValue;
+                _stepperStep = floatDropdownItem.StepperStep;
+
+                // Dropdown 옵션 업데이트
+                _dropdown?.SetOptions(_choices);
+
+                // 스테퍼 설정 업데이트
+                if (_stepper != null)
+                {
+                    _stepper.MinValue = _floatMinValue;
+                    _stepper.MaxValue = _floatMaxValue;
+                    _stepper.Step = _stepperStep;
+                }
+
+                UpdateControlVisibility();
+            }
+
+            data.OnTypedValueChanged += OnDataValueChanged;
+
+            UpdateValueUI();
+            IsReadOnly = data.IsReadOnly;
+        }
+
+        public void Unbind()
+        {
+            if (_boundData != null)
+            {
+                _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
+                _boundData = null;
+            }
+        }
+
+        private void OnDataValueChanged(IUTKPropertyItem<UTKFloatDropdownValue> item, UTKFloatDropdownValue oldValue, UTKFloatDropdownValue newValue)
+        {
+            if (!_value.Equals(newValue))
+            {
+                _value = newValue;
+                UpdateValueUI();
+            }
+        }
+        #endregion
+
+        #region Dispose
+        protected override void Dispose(bool disposing)
+        {
+            if (_disposed) return;
+
+            if (disposing)
+            {
+                UnregisterEvents();
+                Unbind();
+
+                OnValueChanged = null;
+                _floatField = null;
+                _stepper?.Dispose();
+                _stepper = null;
+                _dropdown?.Dispose();
+                _dropdown = null;
+                _readOnlyField = null;
+            }
+
+            base.Dispose(disposing);
+        }
+        #endregion
+    }
+}

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKFloatDropdownPropertyItemView.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 6d14075483e28504aa714b26c491a24e

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKFloatPropertyItemView.cs

@@ -517,13 +517,14 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             // 데이터에서 속성 동기화
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             // 슬라이더 및 스테퍼 관련 속성 동기화
             if (data is UTKFloatPropertyItem floatItem)
@@ -570,7 +571,7 @@ namespace UVC.UIToolkit
 
             // UI 갱신
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -578,6 +579,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKFloatRangePropertyItemView.cs

@@ -7,7 +7,7 @@ namespace UVC.UIToolkit
 {
     /// <summary>
     /// FloatRange 속성 View 클래스입니다.
-    /// Min, Max 두 개의 UTKFloatField를 사용하여 실수 범위를 표시/편집합니다.
+    /// Min, Max 두 개의 UTKFloatField 또는 UTKFloatStepper를 사용하여 실수 범위를 표시/편집합니다.
     /// </summary>
     [UxmlElement]
     public partial class UTKFloatRangePropertyItemView : UTKPropertyItemViewBase, IUTKPropertyItemView<UTKFloatRange>
@@ -15,14 +15,70 @@ namespace UVC.UIToolkit
         #region Fields
         private UTKFloatField? _minField;
         private UTKFloatField? _maxField;
+        private UTKFloatStepper? _minStepper;
+        private UTKFloatStepper? _maxStepper;
 
         private UTKFloatRange _value;
+        private bool _useStepper;
+        private float _stepperMinValue = float.MinValue;
+        private float _stepperMaxValue = float.MaxValue;
+        private float _stepperStep = 1.0f;
         private IUTKPropertyItem<UTKFloatRange>? _boundData;
         #endregion
 
         #region Properties
         protected override string ViewTypeName => "UTKFloatRangePropertyItemView";
 
+        /// <summary>스테퍼(증감 버튼) 사용 여부</summary>
+        public bool UseStepper
+        {
+            get => _useStepper;
+            set
+            {
+                if (_useStepper != value)
+                {
+                    _useStepper = value;
+                    UpdateModeClass();
+                }
+            }
+        }
+
+        /// <summary>스테퍼 최소값</summary>
+        public float StepperMinValue
+        {
+            get => _stepperMinValue;
+            set
+            {
+                _stepperMinValue = value;
+                if (_minStepper != null) _minStepper.MinValue = value;
+                if (_maxStepper != null) _maxStepper.MinValue = value;
+            }
+        }
+
+        /// <summary>스테퍼 최대값</summary>
+        public float StepperMaxValue
+        {
+            get => _stepperMaxValue;
+            set
+            {
+                _stepperMaxValue = value;
+                if (_minStepper != null) _minStepper.MaxValue = value;
+                if (_maxStepper != null) _maxStepper.MaxValue = value;
+            }
+        }
+
+        /// <summary>스테퍼 증감 단위</summary>
+        public float StepperStep
+        {
+            get => _stepperStep;
+            set
+            {
+                _stepperStep = value > 0 ? value : 1.0f;
+                if (_minStepper != null) _minStepper.Step = _stepperStep;
+                if (_maxStepper != null) _maxStepper.Step = _stepperStep;
+            }
+        }
+
         /// <summary>현재 값</summary>
         public UTKFloatRange Value
         {
@@ -94,31 +150,53 @@ namespace UVC.UIToolkit
         {
             _minField = this.Q<UTKFloatField>("min-field");
             _maxField = this.Q<UTKFloatField>("max-field");
+            _minStepper = this.Q<UTKFloatStepper>("min-stepper");
+            _maxStepper = this.Q<UTKFloatStepper>("max-stepper");
 
             // Fallback: UXML에서 못 찾으면 생성
             if (_valueContainer != null)
             {
                 _valueContainer.style.flexDirection = FlexDirection.Row;
 
+                // FloatField 생성
                 if (_minField == null)
                 {
                     _minField = new UTKFloatField { name = "min-field" };
-                    _minField.style.flexGrow = 1;
                     _minField.AddToClassList("utk-property-item-view__field");
                     _valueContainer.Add(_minField);
-
-                    var separator = new UTKLabel("~", UTKLabel.LabelSize.Body2);
-                    separator.AddToClassList("utk-property-item-view__range-separator");
-                    _valueContainer.Add(separator);
                 }
 
                 if (_maxField == null)
                 {
+                    var separator = new UTKLabel("~", UTKLabel.LabelSize.Body2);
+                    separator.AddToClassList("utk-property-item-view__range-separator");
+                    _valueContainer.Add(separator);
+
                     _maxField = new UTKFloatField { name = "max-field" };
-                    _maxField.style.flexGrow = 1;
                     _maxField.AddToClassList("utk-property-item-view__field");
                     _valueContainer.Add(_maxField);
                 }
+
+                // FloatStepper 생성
+                if (_minStepper == null)
+                {
+                    _minStepper = new UTKFloatStepper(_stepperMinValue, _stepperMaxValue, _value.Min, _stepperStep, IsReadOnly)
+                    {
+                        name = "min-stepper"
+                    };
+                    _minStepper.AddToClassList("utk-property-item-view__stepper");
+                    _valueContainer.Add(_minStepper);
+                }
+
+                if (_maxStepper == null)
+                {
+                    _maxStepper = new UTKFloatStepper(_stepperMinValue, _stepperMaxValue, _value.Max, _stepperStep, IsReadOnly)
+                    {
+                        name = "max-stepper"
+                    };
+                    _maxStepper.AddToClassList("utk-property-item-view__stepper");
+                    _valueContainer.Add(_maxStepper);
+                }
             }
 
             // 초기 값 설정
@@ -132,6 +210,25 @@ namespace UVC.UIToolkit
                 _maxField.SetValueWithoutNotify(_value.Max);
                 _maxField.isReadOnly = IsReadOnly;
             }
+            if (_minStepper != null)
+            {
+                _minStepper.MinValue = _stepperMinValue;
+                _minStepper.MaxValue = _stepperMaxValue;
+                _minStepper.Step = _stepperStep;
+                _minStepper.SetValue(_value.Min, false);
+                _minStepper.IsReadOnly = IsReadOnly;
+            }
+            if (_maxStepper != null)
+            {
+                _maxStepper.MinValue = _stepperMinValue;
+                _maxStepper.MaxValue = _stepperMaxValue;
+                _maxStepper.Step = _stepperStep;
+                _maxStepper.SetValue(_value.Max, false);
+                _maxStepper.IsReadOnly = IsReadOnly;
+            }
+
+            // 컨트롤 가시성 업데이트
+            UpdateControlVisibility();
         }
 
         private void RegisterEvents()
@@ -144,6 +241,14 @@ namespace UVC.UIToolkit
             {
                 _maxField.OnValueChanged += OnMaxChanged;
             }
+            if (_minStepper != null)
+            {
+                _minStepper.OnValueChanged += OnMinStepperChanged;
+            }
+            if (_maxStepper != null)
+            {
+                _maxStepper.OnValueChanged += OnMaxStepperChanged;
+            }
         }
 
         private void UnregisterEvents()
@@ -156,6 +261,65 @@ namespace UVC.UIToolkit
             {
                 _maxField.OnValueChanged -= OnMaxChanged;
             }
+            if (_minStepper != null)
+            {
+                _minStepper.OnValueChanged -= OnMinStepperChanged;
+            }
+            if (_maxStepper != null)
+            {
+                _maxStepper.OnValueChanged -= OnMaxStepperChanged;
+            }
+        }
+
+        private void UpdateModeClass()
+        {
+            // ReadOnly 상태에서는 무조건 FloatField만 표시
+            if (IsReadOnly)
+            {
+                RemoveFromClassList("utk-property-item-view--stepper");
+                UpdateControlVisibility();
+                return;
+            }
+
+            // 스테퍼 클래스
+            if (_useStepper)
+            {
+                AddToClassList("utk-property-item-view--stepper");
+            }
+            else
+            {
+                RemoveFromClassList("utk-property-item-view--stepper");
+            }
+
+            UpdateControlVisibility();
+        }
+
+        /// <summary>컨트롤 가시성을 업데이트합니다.</summary>
+        private void UpdateControlVisibility()
+        {
+            bool isReadOnlyMode = IsReadOnly;
+            bool showStepper = !isReadOnlyMode && _useStepper;
+            bool showFloatField = isReadOnlyMode || !_useStepper;
+
+            if (_minField != null)
+            {
+                _minField.style.display = showFloatField ? DisplayStyle.Flex : DisplayStyle.None;
+            }
+
+            if (_maxField != null)
+            {
+                _maxField.style.display = showFloatField ? DisplayStyle.Flex : DisplayStyle.None;
+            }
+
+            if (_minStepper != null)
+            {
+                _minStepper.style.display = showStepper ? DisplayStyle.Flex : DisplayStyle.None;
+            }
+
+            if (_maxStepper != null)
+            {
+                _maxStepper.style.display = showStepper ? DisplayStyle.Flex : DisplayStyle.None;
+            }
         }
         #endregion
 
@@ -174,6 +338,11 @@ namespace UVC.UIToolkit
         {
             if (_minField != null) _minField.isReadOnly = isReadOnly;
             if (_maxField != null) _maxField.isReadOnly = isReadOnly;
+            if (_minStepper != null) _minStepper.IsReadOnly = isReadOnly;
+            if (_maxStepper != null) _maxStepper.IsReadOnly = isReadOnly;
+
+            // ReadOnly 상태 변경 시 모드 클래스 업데이트
+            UpdateModeClass();
         }
         #endregion
 
@@ -207,6 +376,36 @@ namespace UVC.UIToolkit
                 }
             }
         }
+
+        private void OnMinStepperChanged(float newMin)
+        {
+            var newValue = new UTKFloatRange(newMin, _value.Max);
+            if (!_value.Equals(newValue))
+            {
+                _value = newValue;
+                OnValueChanged?.Invoke(newValue);
+
+                if (_boundData != null && !_boundData.Value.Equals(newValue))
+                {
+                    _boundData.Value = newValue;
+                }
+            }
+        }
+
+        private void OnMaxStepperChanged(float newMax)
+        {
+            var newValue = new UTKFloatRange(_value.Min, newMax);
+            if (!_value.Equals(newValue))
+            {
+                _value = newValue;
+                OnValueChanged?.Invoke(newValue);
+
+                if (_boundData != null && !_boundData.Value.Equals(newValue))
+                {
+                    _boundData.Value = newValue;
+                }
+            }
+        }
         #endregion
 
         #region Value Update
@@ -221,6 +420,16 @@ namespace UVC.UIToolkit
             {
                 _maxField.SetValueWithoutNotify(_value.Max);
             }
+
+            if (_minStepper != null && !Mathf.Approximately(_minStepper.Value, _value.Min))
+            {
+                _minStepper.SetValue(_value.Min, false);
+            }
+
+            if (_maxStepper != null && !Mathf.Approximately(_maxStepper.Value, _value.Max))
+            {
+                _maxStepper.SetValue(_value.Max, false);
+            }
         }
         #endregion
 
@@ -242,17 +451,43 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
+
+            // UTKFloatRangePropertyItem의 스테퍼 설정 적용
+            if (data is UTKFloatRangePropertyItem rangeItem)
+            {
+                _useStepper = rangeItem.UseStepper;
+                _stepperMinValue = rangeItem.StepperMinValue;
+                _stepperMaxValue = rangeItem.StepperMaxValue;
+                _stepperStep = rangeItem.StepperStep;
+
+                // 스테퍼에 값 적용
+                if (_minStepper != null)
+                {
+                    _minStepper.MinValue = _stepperMinValue;
+                    _minStepper.MaxValue = _stepperMaxValue;
+                    _minStepper.Step = _stepperStep;
+                }
+                if (_maxStepper != null)
+                {
+                    _maxStepper.MinValue = _stepperMinValue;
+                    _maxStepper.MaxValue = _stepperMaxValue;
+                    _maxStepper.Step = _stepperStep;
+                }
+
+                UpdateModeClass();
+            }
 
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -260,6 +495,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }
@@ -287,6 +523,10 @@ namespace UVC.UIToolkit
                 OnValueChanged = null;
                 _minField = null;
                 _maxField = null;
+                _minStepper?.Dispose();
+                _minStepper = null;
+                _maxStepper?.Dispose();
+                _maxStepper = null;
             }
 
             base.Dispose(disposing);

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKIntPropertyItemView.cs

@@ -516,12 +516,13 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             if (data is UTKIntPropertyItem intItem)
             {
@@ -565,7 +566,7 @@ namespace UVC.UIToolkit
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -573,6 +574,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKIntRangePropertyItemView.cs

@@ -162,7 +162,6 @@ namespace UVC.UIToolkit
                 if (_minField == null)
                 {
                     _minField = new UTKIntegerField { name = "min-field" };
-                    _minField.style.flexGrow = 1;
                     _minField.AddToClassList("utk-property-item-view__field");
                     _valueContainer.Add(_minField);
                 }
@@ -174,7 +173,6 @@ namespace UVC.UIToolkit
                     _valueContainer.Add(separator);
 
                     _maxField = new UTKIntegerField { name = "max-field" };
-                    _maxField.style.flexGrow = 1;
                     _maxField.AddToClassList("utk-property-item-view__field");
                     _valueContainer.Add(_maxField);
                 }
@@ -186,7 +184,6 @@ namespace UVC.UIToolkit
                     {
                         name = "min-stepper"
                     };
-                    _minStepper.style.flexGrow = 1;
                     _minStepper.AddToClassList("utk-property-item-view__stepper");
                     _valueContainer.Add(_minStepper);
                 }
@@ -197,7 +194,6 @@ namespace UVC.UIToolkit
                     {
                         name = "max-stepper"
                     };
-                    _maxStepper.style.flexGrow = 1;
                     _maxStepper.AddToClassList("utk-property-item-view__stepper");
                     _valueContainer.Add(_maxStepper);
                 }
@@ -455,12 +451,13 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             // UTKIntRangePropertyItem의 스테퍼 설정 적용
             if (data is UTKIntRangePropertyItem rangeItem)
@@ -490,7 +487,7 @@ namespace UVC.UIToolkit
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -498,6 +495,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKMultiSelectDropdownPropertyItemView.cs

@@ -385,12 +385,13 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value != null ? new List<string>(data.Value) : new List<string>();
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             if (data is UTKMultiSelectDropdownPropertyItem multiSelectItem)
             {
@@ -404,7 +405,7 @@ namespace UVC.UIToolkit
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -412,6 +413,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKPropertyItemViewBase.cs

@@ -54,6 +54,8 @@ namespace UVC.UIToolkit
         protected bool _isVisible = true;
         protected bool _showLabel = true;
         protected string? _tooltipText;
+
+        private IUTKPropertyItem? _boundItemBase;
         #endregion
 
         #region Properties
@@ -285,10 +287,19 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanel);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanel);
+        }
+
+        private void OnAttachToPanel(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+        }
+
+        private void OnDetachFromPanel(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -390,6 +401,34 @@ namespace UVC.UIToolkit
             TooltipText = item.Tooltip;
             ShowLabel = item.ShowLabel;
         }
+
+        /// <summary>
+        /// 상태 변경 이벤트를 구독합니다. 하위 View의 Bind에서 호출하세요.
+        /// </summary>
+        protected void BindBase(IUTKPropertyItem item)
+        {
+            UnbindBase();
+            _boundItemBase = item;
+            _boundItemBase.OnStateChanged += OnItemStateChanged;
+        }
+
+        /// <summary>
+        /// 상태 변경 이벤트 구독을 해제합니다. 하위 View의 Unbind에서 호출하세요.
+        /// </summary>
+        protected void UnbindBase()
+        {
+            if (_boundItemBase != null)
+            {
+                _boundItemBase.OnStateChanged -= OnItemStateChanged;
+                _boundItemBase = null;
+            }
+        }
+
+        private void OnItemStateChanged(IUTKPropertyItem item)
+        {
+            IsReadOnly = item.IsReadOnly;
+            ShowLabel = item.ShowLabel;
+        }
         #endregion
 
         #region IDisposable
@@ -406,7 +445,10 @@ namespace UVC.UIToolkit
 
             if (disposing)
             {
+                UnbindBase();
                 UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+                UnregisterCallback<AttachToPanelEvent>(OnAttachToPanel);
+                UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanel);
                 this.ClearTooltip();
 
                 _labelElement = null;

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKPropertyItemViewFactory.cs

@@ -83,6 +83,7 @@ namespace UVC.UIToolkit
                 UTKPropertyType.DateRange => new UTKDateRangePropertyItemView(),
                 UTKPropertyType.DateTimeRange => new UTKDateTimeRangePropertyItemView(),
                 UTKPropertyType.ColorState => new UTKColorStatePropertyItemView(),
+                UTKPropertyType.FloatDropdown => CreateFloatDropdownView(data),
                 UTKPropertyType.Button => CreateButtonView(data),
                 _ => throw new ArgumentException($"Unknown property type: {data.PropertyType}")
             };
@@ -121,11 +122,46 @@ namespace UVC.UIToolkit
                 UTKPropertyType.DateRange => new UTKDateRangePropertyItemView(),
                 UTKPropertyType.DateTimeRange => new UTKDateTimeRangePropertyItemView(),
                 UTKPropertyType.ColorState => new UTKColorStatePropertyItemView(),
+                UTKPropertyType.FloatDropdown => new UTKFloatDropdownPropertyItemView(),
                 UTKPropertyType.Button => new UTKButtonItemView(),
                 _ => throw new ArgumentException($"Unknown property type: {propertyType}")
             };
         }
 
+        /// <summary>
+        /// PropertyItem 데이터에 해당하는 View의 Type을 반환합니다.
+        /// View 재사용 시 기존 View와 타입 호환 여부 확인에 사용합니다.
+        /// </summary>
+        /// <param name="data">PropertyItem 데이터</param>
+        /// <returns>View Type</returns>
+        public static Type GetViewType(IUTKPropertyItem data)
+        {
+            return data.PropertyType switch
+            {
+                UTKPropertyType.String => typeof(UTKStringPropertyItemView),
+                UTKPropertyType.Int => typeof(UTKIntPropertyItemView),
+                UTKPropertyType.Float => typeof(UTKFloatPropertyItemView),
+                UTKPropertyType.Bool => typeof(UTKBoolPropertyItemView),
+                UTKPropertyType.Vector2 => typeof(UTKVector2PropertyItemView),
+                UTKPropertyType.Vector3 => typeof(UTKVector3PropertyItemView),
+                UTKPropertyType.Color => typeof(UTKColorPropertyItemView),
+                UTKPropertyType.Date => typeof(UTKDatePropertyItemView),
+                UTKPropertyType.DateTime => typeof(UTKDateTimePropertyItemView),
+                UTKPropertyType.Enum => typeof(UTKEnumPropertyItemView),
+                UTKPropertyType.DropdownList => typeof(UTKDropdownPropertyItemView),
+                UTKPropertyType.MultiSelectDropdownList => typeof(UTKMultiSelectDropdownPropertyItemView),
+                UTKPropertyType.RadioGroup => typeof(UTKRadioPropertyItemView),
+                UTKPropertyType.IntRange => typeof(UTKIntRangePropertyItemView),
+                UTKPropertyType.FloatRange => typeof(UTKFloatRangePropertyItemView),
+                UTKPropertyType.DateRange => typeof(UTKDateRangePropertyItemView),
+                UTKPropertyType.DateTimeRange => typeof(UTKDateTimeRangePropertyItemView),
+                UTKPropertyType.ColorState => typeof(UTKColorStatePropertyItemView),
+                UTKPropertyType.FloatDropdown => typeof(UTKFloatDropdownPropertyItemView),
+                UTKPropertyType.Button => typeof(UTKButtonItemView),
+                _ => typeof(VisualElement)
+            };
+        }
+
         /// <summary>
         /// 커스텀 View 팩토리를 등록합니다.
         /// </summary>
@@ -225,6 +261,16 @@ namespace UVC.UIToolkit
             return new UTKMultiSelectDropdownPropertyItemView();
         }
 
+        private static IUTKPropertyItemView CreateFloatDropdownView(IUTKPropertyItem data)
+        {
+            // UTKFloatDropdownPropertyItem의 Choices로 View 초기화
+            if (data is UTKFloatDropdownPropertyItem floatDropdownItem)
+            {
+                return new UTKFloatDropdownPropertyItemView(floatDropdownItem);
+            }
+            return new UTKFloatDropdownPropertyItemView();
+        }
+
         private static IUTKPropertyItemView CreateButtonView(IUTKPropertyItem data)
         {
             // UTKButtonItem으로 ButtonView 초기화

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKRadioPropertyItemView.cs

@@ -339,12 +339,13 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             if (data is UTKRadioPropertyItem radioItem)
             {
@@ -355,7 +356,7 @@ namespace UVC.UIToolkit
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateSelection();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -363,6 +364,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKStringPropertyItemView.cs

@@ -316,12 +316,13 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value ?? string.Empty;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             if (data is UTKStringPropertyItem stringItem)
             {
@@ -347,7 +348,7 @@ namespace UVC.UIToolkit
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -355,6 +356,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
 

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKVector2PropertyItemView.cs

@@ -188,17 +188,18 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -206,6 +207,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Property/Views/UTKVector3PropertyItemView.cs

@@ -188,17 +188,18 @@ namespace UVC.UIToolkit
             Unbind();
 
             _boundData = data;
+            BindBase(data);
 
             Label = data.Name;
             _value = data.Value;
-            IsReadOnly = data.IsReadOnly;
             IsVisible = data.IsVisible;
             TooltipText = data.Tooltip;
+            ShowLabel = data.ShowLabel;
 
             data.OnTypedValueChanged += OnDataValueChanged;
 
             UpdateValueUI();
-            UpdateReadOnlyState();
+            IsReadOnly = data.IsReadOnly;
         }
 
         public void Unbind()
@@ -206,6 +207,7 @@ namespace UVC.UIToolkit
             if (_boundData != null)
             {
                 _boundData.OnTypedValueChanged -= OnDataValueChanged;
+                UnbindBase();
                 _boundData = null;
             }
         }

Assets/Scripts/UVC/UIToolkit/Slider/UTKMinMaxSlider.cs

@@ -168,10 +168,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -194,6 +204,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<Vector2>>(OnSliderValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Slider/UTKProgressBar.cs

@@ -252,10 +252,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -319,6 +329,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Slider/UTKSlider.cs

@@ -150,10 +150,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -176,6 +186,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<float>>(OnSliderValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Slider/UTKSliderInt.cs

@@ -151,10 +151,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -185,6 +195,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
             OnValueChanged = null;
             UnregisterCallback<ChangeEvent<int>>(OnSliderValueChanged);
         }

Assets/Scripts/UVC/UIToolkit/Tab/UTKTab.cs

@@ -99,10 +99,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -118,6 +128,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
         }
         #endregion
     }

Assets/Scripts/UVC/UIToolkit/Tab/UTKTabView.cs

@@ -190,10 +190,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -310,6 +320,8 @@ namespace UVC.UIToolkit
             _disposed = true;
 
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
 
             foreach (var tab in _utkTabs)
             {

Assets/Scripts/UVC/UIToolkit/UTKThemeManager.cs

@@ -112,27 +112,51 @@ namespace UVC.UIToolkit
     /// <para><b>UTK 컴포넌트에서 사용 (내부 구현):</b></para>
     /// <code>
     /// [UxmlElement]
-    /// public partial class MyCustomComponent : VisualElement
+    /// public partial class MyCustomComponent : VisualElement, IDisposable
     /// {
+    ///     private bool _disposed;
+    ///
     ///     public MyCustomComponent()
     ///     {
     ///         // 컴포넌트에 테마 스타일 적용
     ///         UTKThemeManager.Instance.ApplyThemeToElement(this);
     ///
-    ///         // 테마 변경 구독
-    ///         UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+    ///         // 테마 변경 구독 (Attach/Detach 쌍으로 관리)
+    ///         SubscribeToThemeChanges();
+    ///     }
     ///
-    ///         // 패널에서 분리될 때 구독 해제
-    ///         RegisterCallback<DetachFromPanelEvent>(_ =>
-    ///         {
-    ///             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-    ///         });
+    ///     private void SubscribeToThemeChanges()
+    ///     {
+    ///         UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+    ///         RegisterCallback&lt;AttachToPanelEvent&gt;(OnAttachToPanelForTheme);
+    ///         RegisterCallback&lt;DetachFromPanelEvent&gt;(OnDetachFromPanelForTheme);
+    ///     }
+    ///
+    ///     private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+    ///     {
+    ///         UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+    ///         UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+    ///         UTKThemeManager.Instance.ApplyThemeToElement(this);
+    ///     }
+    ///
+    ///     private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+    ///     {
+    ///         UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
     ///     }
     ///
     ///     private void OnThemeChanged(UTKTheme theme)
     ///     {
     ///         UTKThemeManager.Instance.ApplyThemeToElement(this);
     ///     }
+    ///
+    ///     public void Dispose()
+    ///     {
+    ///         if (_disposed) return;
+    ///         _disposed = true;
+    ///         UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+    ///         UnregisterCallback&lt;AttachToPanelEvent&gt;(OnAttachToPanelForTheme);
+    ///         UnregisterCallback&lt;DetachFromPanelEvent&gt;(OnDetachFromPanelForTheme);
+    ///     }
     /// }
     /// </code>
     ///

Assets/Scripts/UVC/UIToolkit/Window/UTKAccordionListWindow.cs

@@ -451,10 +451,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -473,6 +483,8 @@ namespace UVC.UIToolkit
 
             // 테마 변경 이벤트 해제
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
 
             // 내부 UTKAccordionList 정리
             _accordionList?.Dispose();

Assets/Scripts/UVC/UIToolkit/Window/UTKComponentListWindow.cs

@@ -408,10 +408,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -432,6 +442,8 @@ namespace UVC.UIToolkit
 
             // 테마 변경 이벤트 해제
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
 
             // 내부 UTKComponentList 정리
             _componentList?.Dispose();

Assets/Scripts/UVC/UIToolkit/Window/UTKComponentTabListWindow.cs

@@ -664,10 +664,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -688,6 +698,8 @@ namespace UVC.UIToolkit
 
             // 테마 변경 이벤트 해제
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
 
             // 내부 UTKComponentList 정리
             _componentList?.Dispose();

Assets/Scripts/UVC/UIToolkit/Window/UTKImageListWindow.cs

@@ -439,10 +439,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -464,6 +474,8 @@ namespace UVC.UIToolkit
 
             // 테마 변경 이벤트 해제
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
 
             // 내부 UTKImageList 정리
             _imageList?.Dispose();

Assets/Scripts/UVC/UIToolkit/Window/UTKPropertyListWindow.cs

@@ -8,8 +8,65 @@ using UnityEngine.UIElements;
 namespace UVC.UIToolkit
 {
     /// <summary>
-    /// UTKPropertyList를 감싸는 윈도우 래퍼
-    /// 헤더, 타이틀, 닫기 버튼 등 윈도우 프레임 제공
+    /// UTKPropertyList를 감싸는 윈도우 래퍼입니다.
+    /// 헤더(타이틀 + 닫기 버튼), 드래그 이동, 그리고 내부 UTKPropertyList를 통한
+    /// 속성 목록 관리 기능을 제공합니다.
+    ///
+    /// <para><b>주요 기능:</b></para>
+    /// <list type="bullet">
+    ///   <item>윈도우 프레임 (헤더, 타이틀, 닫기 버튼)</item>
+    ///   <item>헤더 드래그로 위치 이동</item>
+    ///   <item>UTKPropertyList 위임 메서드 (데이터 로드, 속성 관리, 값 변경 등)</item>
+    ///   <item>속성 값 변경 / 클릭 / 버튼 클릭 이벤트</item>
+    /// </list>
+    ///
+    /// <para><b>관련 리소스:</b></para>
+    /// <list type="bullet">
+    ///   <item>Resources/UIToolkit/Window/UTKPropertyListWindow.uxml</item>
+    ///   <item>Resources/UIToolkit/Window/UTKPropertyListWindowUss.uss</item>
+    /// </list>
+    ///
+    /// <para><b>사용 예:</b></para>
+    /// <code>
+    /// // 1. 윈도우 생성 및 설정
+    /// var window = new UTKPropertyListWindow("속성 편집기");
+    /// window.ShowCloseButton = true;
+    /// window.SetSize(300, 600);
+    ///
+    /// // 2. 이벤트 구독
+    /// window.OnCloseClicked += () => window.Hide();
+    /// window.OnPropertyValueChanged += args =>
+    /// {
+    ///     Debug.Log($"{args.PropertyId} = {args.NewValue}");
+    ///
+    ///     // 조건부 가시성 제어 예시
+    ///     if (args.PropertyId == "type" &amp;&amp; args.NewValue is string type)
+    ///     {
+    ///         window.SetPropertyVisibilityBatch(new (string, bool)[]
+    ///         {
+    ///             ("option_a", type == "A"),
+    ///             ("option_b", type == "B"),
+    ///         });
+    ///     }
+    /// };
+    ///
+    /// // 3. 데이터 로드 (그룹 + 개별 아이템 혼합)
+    /// var entries = new List&lt;IUTKPropertyEntry&gt;();
+    /// entries.Add(new UTKStringPropertyItem("name", "이름", "기본값"));
+    ///
+    /// var group = new UTKPropertyGroup("transform", "Transform");
+    /// group.AddItem(new UTKVector3PropertyItem("pos", "Position", Vector3.zero));
+    /// entries.Add(group);
+    ///
+    /// window.LoadMixedProperties(entries);
+    ///
+    /// // 4. 런타임 속성 제어
+    /// window.SetPropertyReadOnly("name", true);       // 읽기 전용 전환
+    /// window.SetPropertyVisibility("pos", false);      // 숨김
+    /// window.UpdatePropertyValue("name", "새 이름");    // 값 변경
+    ///
+    /// root.Add(window);
+    /// </code>
     /// </summary>
     [UxmlElement]
     public partial class UTKPropertyListWindow : VisualElement, IDisposable
@@ -222,57 +279,151 @@ namespace UVC.UIToolkit
         }
         #endregion
 
-        #region Public Methods - PropertyList 위임
+        #region Public Methods - Data Loading (PropertyList 위임)
+        /// <summary>평면 속성 목록을 로드합니다 (그룹 없이).</summary>
+        /// <param name="items">로드할 속성 아이템 목록.</param>
         public void LoadProperties(List<IUTKPropertyItem> items) => PropertyList.LoadProperties(items);
+
+        /// <summary>그룹화된 속성 목록을 로드합니다.</summary>
+        /// <param name="groups">로드할 속성 그룹 목록.</param>
         public void LoadGroupedProperties(List<IUTKPropertyGroup> groups) => PropertyList.LoadGroupedProperties(groups);
+
+        /// <summary>그룹과 개별 아이템이 혼합된 엔트리 목록을 로드합니다.</summary>
+        /// <param name="entries">로드할 엔트리 목록 (IUTKPropertyGroup 또는 IUTKPropertyItem).</param>
         public void LoadMixedProperties(List<IUTKPropertyEntry> entries) => PropertyList.LoadMixedProperties(entries);
+        #endregion
 
+        #region Public Methods - Group Management (PropertyList 위임)
+        /// <summary>그룹을 추가합니다.</summary>
+        /// <param name="group">추가할 속성 그룹.</param>
         public void AddGroup(IUTKPropertyGroup group) => PropertyList.AddGroup(group);
+
+        /// <summary>지정한 ID의 그룹과 내부 아이템을 모두 제거합니다.</summary>
+        /// <param name="groupId">제거할 그룹 ID.</param>
         public void RemoveGroup(string groupId) => PropertyList.RemoveGroup(groupId);
+
+        /// <summary>지정한 ID의 그룹을 반환합니다.</summary>
+        /// <param name="groupId">조회할 그룹 ID.</param>
+        /// <returns>그룹 인스턴스 또는 null.</returns>
         public IUTKPropertyGroup? GetGroup(string groupId) => PropertyList.GetGroup(groupId);
+
+        /// <summary>그룹의 펼침/접힘 상태를 설정합니다.</summary>
+        /// <param name="groupId">대상 그룹 ID.</param>
+        /// <param name="expanded">true면 펼침, false면 접힘.</param>
         public void SetGroupExpanded(string groupId, bool expanded) => PropertyList.SetGroupExpanded(groupId, expanded);
+
+        /// <summary>그룹의 펼침/접힘 상태를 토글합니다.</summary>
+        /// <param name="groupId">대상 그룹 ID.</param>
         public void ToggleGroupExpanded(string groupId) => PropertyList.ToggleGroupExpanded(groupId);
+        #endregion
 
+        #region Public Methods - Property Management (PropertyList 위임)
+        /// <summary>최상위 속성 아이템을 추가합니다.</summary>
+        /// <param name="item">추가할 속성 아이템.</param>
         public void AddProperty(IUTKPropertyItem item) => PropertyList.AddProperty(item);
+
+        /// <summary>지정한 그룹에 속성 아이템을 추가합니다.</summary>
+        /// <param name="groupId">대상 그룹 ID.</param>
+        /// <param name="item">추가할 속성 아이템.</param>
         public void AddPropertyToGroup(string groupId, IUTKPropertyItem item) => PropertyList.AddPropertyToGroup(groupId, item);
+
+        /// <summary>지정한 ID의 속성 아이템을 제거합니다.</summary>
+        /// <param name="itemId">제거할 아이템 ID.</param>
         public void RemoveProperty(string itemId) => PropertyList.RemoveProperty(itemId);
+
+        /// <summary>지정한 ID의 속성 아이템을 반환합니다.</summary>
+        /// <param name="itemId">조회할 아이템 ID.</param>
+        /// <returns>아이템 인스턴스 또는 null.</returns>
         public IUTKPropertyItem? GetProperty(string itemId) => PropertyList.GetProperty(itemId);
+        #endregion
 
-        public void UpdatePropertyValue(string propertyId, object newValue) => PropertyList.UpdatePropertyValue(propertyId, newValue);
-        public void SetPropertyValue(string propertyId, object value) => PropertyList.SetPropertyValue(propertyId, value);
+        #region Public Methods - Value Management (PropertyList 위임)
+        /// <summary>속성 값을 변경합니다. 바인딩된 View에 자동 반영됩니다.</summary>
+        /// <param name="propertyId">대상 속성 ID.</param>
+        /// <param name="newValue">새 값 (타입 변환 자동 시도).</param>
+        /// <param name="notify">true면 값 변경 알림 이벤트 발생.</param>
+        public void UpdatePropertyValue(string propertyId, object newValue, bool notify = false) => PropertyList.UpdatePropertyValue(propertyId, newValue, notify);
 
+        /// <summary>속성 값을 변경합니다. <see cref="UpdatePropertyValue"/>의 별칭입니다.</summary>
+        /// <param name="propertyId">대상 속성 ID.</param>
+        /// <param name="value">새 값.</param>
+        /// <param name="notify">true면 값 변경 알림 이벤트 발생.</param>
+        public void SetPropertyValue(string propertyId, object value, bool notify = false) => PropertyList.SetPropertyValue(propertyId, value, notify);
+        #endregion
+
+        #region Public Methods - Visibility & ReadOnly (PropertyList 위임)
+        /// <summary>속성 아이템의 가시성을 변경합니다. TreeView Rebuild가 발생합니다.</summary>
+        /// <param name="propertyId">대상 속성 ID.</param>
+        /// <param name="visible">true면 표시, false면 숨김.</param>
         public void SetPropertyVisibility(string propertyId, bool visible) => PropertyList.SetPropertyVisibility(propertyId, visible);
-        public void SetGroupVisibility(string groupId, bool visible) => PropertyList.SetGroupVisibility(groupId, visible);
-        public void SetPropertyReadOnly(string propertyId, bool isReadOnly) => PropertyList.SetPropertyReadOnly(propertyId, isReadOnly);
-        public void SetGroupReadOnly(string groupId, bool isReadOnly) => PropertyList.SetGroupReadOnly(groupId, isReadOnly);
 
+        /// <summary>여러 속성의 가시성을 일괄 변경합니다. TreeView는 마지막에 한 번만 갱신됩니다.</summary>
+        /// <param name="changes">변경할 (속성 ID, 가시성) 튜플 목록.</param>
+        public void SetPropertyVisibilityBatch(IEnumerable<(string propertyId, bool visible)> changes) => PropertyList.SetPropertyVisibilityBatch(changes);
+
+        /// <summary>그룹의 가시성을 변경합니다. TreeView Rebuild가 발생합니다.</summary>
+        /// <param name="groupId">대상 그룹 ID.</param>
+        /// <param name="visible">true면 표시, false면 숨김.</param>
+        public void SetGroupVisibility(string groupId, bool visible) => PropertyList.SetGroupVisibility(groupId, visible);
+
+        /// <summary>속성 아이템의 읽기 전용 상태를 변경합니다. OnStateChanged로 View에 자동 반영됩니다.</summary>
+        /// <param name="propertyId">대상 속성 ID.</param>
+        /// <param name="isReadOnly">true면 읽기 전용.</param>
+        public void SetPropertyReadOnly(string propertyId, bool isReadOnly) => PropertyList.SetPropertyReadOnly(propertyId, isReadOnly);
+
+        /// <summary>그룹 내 모든 아이템의 읽기 전용 상태를 일괄 변경합니다.</summary>
+        /// <param name="groupId">대상 그룹 ID.</param>
+        /// <param name="isReadOnly">true면 읽기 전용.</param>
+        public void SetGroupReadOnly(string groupId, bool isReadOnly) => PropertyList.SetGroupReadOnly(groupId, isReadOnly);
+        #endregion
+
+        #region Public Methods - Utilities (PropertyList 위임)
+        /// <summary>모든 엔트리(그룹 + 아이템)를 제거하고 초기화합니다.</summary>
         public void Clear() => PropertyList.Clear();
+
+        /// <summary>현재 데이터를 기반으로 TreeView를 다시 빌드합니다.</summary>
         public void Refresh() => PropertyList.Refresh();
         #endregion
 
         #region Public Methods - Window
+        /// <summary>윈도우를 표시합니다.</summary>
         public void Show()
         {
             style.display = DisplayStyle.Flex;
         }
 
+        /// <summary>윈도우를 숨깁니다.</summary>
         public void Hide()
         {
             style.display = DisplayStyle.None;
         }
 
+        /// <summary>
+        /// 윈도우의 위치를 설정합니다 (absolute 포지셔닝).
+        /// </summary>
+        /// <param name="x">왼쪽 오프셋 (px).</param>
+        /// <param name="y">상단 오프셋 (px).</param>
         public void SetPosition(float x, float y)
         {
             style.left = x;
             style.top = y;
         }
 
+        /// <summary>
+        /// 윈도우의 크기를 설정합니다.
+        /// </summary>
+        /// <param name="width">너비 (px).</param>
+        /// <param name="height">높이 (px).</param>
         public void SetSize(float width, float height)
         {
             style.width = width;
             style.height = height;
         }
 
+        /// <summary>
+        /// 부모 요소 기준으로 윈도우를 중앙에 배치합니다.
+        /// schedule.Execute로 다음 프레임에 실행됩니다.
+        /// </summary>
         public void CenterOnScreen()
         {
             schedule.Execute(() =>
@@ -325,10 +476,20 @@ namespace UVC.UIToolkit
         private void SubscribeToThemeChanges()
         {
             UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
-            RegisterCallback<DetachFromPanelEvent>(_ =>
-            {
-                UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
-            });
+            RegisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
+        }
+
+        private void OnAttachToPanelForTheme(AttachToPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
+            UTKThemeManager.Instance.ApplyThemeToElement(this);
+        }
+
+        private void OnDetachFromPanelForTheme(DetachFromPanelEvent evt)
+        {
+            UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
         }
 
         private void OnThemeChanged(UTKTheme theme)
@@ -346,6 +507,8 @@ namespace UVC.UIToolkit
 
             // 테마 변경 이벤트 해제
             UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
+            UnregisterCallback<AttachToPanelEvent>(OnAttachToPanelForTheme);
+            UnregisterCallback<DetachFromPanelEvent>(OnDetachFromPanelForTheme);
 
             // 드래그 이벤트 해제
             if (_header != null)