diff --git a/src/main/java/org/to/telegramfinalproject/UI/ContactsController.java b/src/main/java/org/to/telegramfinalproject/UI/ContactsController.java
index b2b8d0b..7277033 100644
--- a/src/main/java/org/to/telegramfinalproject/UI/ContactsController.java
+++ b/src/main/java/org/to/telegramfinalproject/UI/ContactsController.java
@@ -23,18 +23,18 @@ public class ContactsController {
 
     // Sample data for testing (later fetch from DB/server)
     private final List<Contact> allContacts = Arrays.asList(
-            new Contact("Ali", "last seen recently", "/org/to/telegramfinalproject/Avatars/default_profile.png"),
-            new Contact("Iman", "last seen a long time ago", "/org/to/telegramfinalproject/Avatars/default_profile.png"),
-            new Contact("Amir", "last seen within a month", "/org/to/telegramfinalproject/Avatars/default_profile.png"),
-            new Contact("Sara", "online", "/org/to/telegramfinalproject/Avatars/default_profile.png"),
-            new Contact("Ali", "last seen recently", "/org/to/telegramfinalproject/Avatars/default_profile.png"),
-            new Contact("Iman", "last seen a long time ago", "/org/to/telegramfinalproject/Avatars/default_profile.png"),
-            new Contact("Amir", "last seen within a month", "/org/to/telegramfinalproject/Avatars/default_profile.png"),
-            new Contact("Sara", "online", "/org/to/telegramfinalproject/Avatars/default_profile.png"),
-            new Contact("Ali", "last seen recently", "/org/to/telegramfinalproject/Avatars/default_profile.png"),
-            new Contact("Iman", "last seen a long time ago", "/org/to/telegramfinalproject/Avatars/default_profile.png"),
-            new Contact("Amir", "last seen within a month", "/org/to/telegramfinalproject/Avatars/default_profile.png"),
-            new Contact("Sara", "online", "/org/to/telegramfinalproject/Avatars/default_profile.png")
+            new Contact("Ali", "last seen recently", "/org/to/telegramfinalproject/Avatars/default_user_profile.png"),
+            new Contact("Iman", "last seen a long time ago", "/org/to/telegramfinalproject/Avatars/default_user_profile.png"),
+            new Contact("Amir", "last seen within a month", "/org/to/telegramfinalproject/Avatars/default_user_profile.png"),
+            new Contact("Sara", "online", "/org/to/telegramfinalproject/Avatars/default_user_profile.png"),
+            new Contact("Ali", "last seen recently", "/org/to/telegramfinalproject/Avatars/default_user_profile.png"),
+            new Contact("Iman", "last seen a long time ago", "/org/to/telegramfinalproject/Avatars/default_user_profile.png"),
+            new Contact("Amir", "last seen within a month", "/org/to/telegramfinalproject/Avatars/default_user_profile.png"),
+            new Contact("Sara", "online", "/org/to/telegramfinalproject/Avatars/default_user_profile.png"),
+            new Contact("Ali", "last seen recently", "/org/to/telegramfinalproject/Avatars/default_user_profile.png"),
+            new Contact("Iman", "last seen a long time ago", "/org/to/telegramfinalproject/Avatars/default_user_profile.png"),
+            new Contact("Amir", "last seen within a month", "/org/to/telegramfinalproject/Avatars/default_user_profile.png"),
+            new Contact("Sara", "online", "/org/to/telegramfinalproject/Avatars/default_user_profile.png")
     );
 
     @FXML
diff --git a/src/main/java/org/to/telegramfinalproject/UI/MainController.java b/src/main/java/org/to/telegramfinalproject/UI/MainController.java
index 1d3b577..b1ccaf8 100644
--- a/src/main/java/org/to/telegramfinalproject/UI/MainController.java
+++ b/src/main/java/org/to/telegramfinalproject/UI/MainController.java
@@ -398,7 +398,8 @@ public class MainController {
                     ? chat.getImageUrl()
                     : null;
 
-            cc.setChatData(chat.getName(), preview, timeText, chat.getUnreadCount(), imageUrl, chat.getType());            item.setOnMouseClicked(e -> openChat(chat));
+            cc.setChatData(chat.getName(), preview, timeText, chat.getUnreadCount(), imageUrl, chat.getType());
+            item.setOnMouseClicked(e -> openChat(chat));
             chatListContainer.getChildren().add(item);
 
             itemControllers.put(chat.getId(), cc);
@@ -967,11 +968,4 @@ public class MainController {
 
         return false;
     }
-
-
-
-
-
-
-
 }
\ No newline at end of file
diff --git a/src/main/java/org/to/telegramfinalproject/UI/MyProfileController.java b/src/main/java/org/to/telegramfinalproject/UI/MyProfileController.java
index 0f6d25d..1ff67b2 100644
--- a/src/main/java/org/to/telegramfinalproject/UI/MyProfileController.java
+++ b/src/main/java/org/to/telegramfinalproject/UI/MyProfileController.java
@@ -41,7 +41,7 @@ public class MyProfileController {
         // Default avatar
         profileImage.setImage(new Image(
                 Objects.requireNonNull(getClass().getResourceAsStream(
-                        "/org/to/telegramfinalproject/Avatars/default_profile.png"))
+                        "/org/to/telegramfinalproject/Avatars/default_user_profile.png"))
         ));
 
         // Register scene for ThemeManager → stylesheet swap will handle colors/icons
diff --git a/src/main/resources/org/to/telegramfinalproject/CSS/light_theme.css b/src/main/resources/org/to/telegramfinalproject/CSS/light_theme.css
index a739c75..b5e9b16 100644
--- a/src/main/resources/org/to/telegramfinalproject/CSS/light_theme.css
+++ b/src/main/resources/org/to/telegramfinalproject/CSS/light_theme.css
@@ -581,6 +581,9 @@
     -fx-padding: 8 12;
     -fx-background-color: white;
     -fx-background-radius: 6;
+
+    /* Soft shadow for separation */
+    -fx-effect: dropshadow(gaussian, rgba(0,0,0,0.15), 4, 0.2, 0, 1);
 }
 
 .contact-item:hover {