diff --git a/src/main/java/org/to/telegramfinalproject/UI/AddMembersController.java b/src/main/java/org/to/telegramfinalproject/UI/AddMembersController.java
index c343e80..f071334 100644
--- a/src/main/java/org/to/telegramfinalproject/UI/AddMembersController.java
+++ b/src/main/java/org/to/telegramfinalproject/UI/AddMembersController.java
@@ -29,6 +29,7 @@ public class AddMembersController {
     private final Set<Contact> selectedContacts = new HashSet<>();
 
     private String groupName;
+    private String groupId;
     private File groupImageFile;
 
     // Sample data for testing
@@ -239,8 +240,9 @@ public class AddMembersController {
         searchIcon.setGraphic(icon);
     }
 
-    public void setGroupInfo(String groupName, File groupImageFile) {
+    public void setGroupInfo(String groupName, String groupId, File groupImageFile) {
         this.groupName = groupName;
+        this.groupId = groupId;
         this.groupImageFile = groupImageFile;
 
         // You can use these later when creating the group
diff --git a/src/main/java/org/to/telegramfinalproject/UI/AddSubscriberController.java b/src/main/java/org/to/telegramfinalproject/UI/AddSubscriberController.java
index ad0703d..5f4afcc 100644
--- a/src/main/java/org/to/telegramfinalproject/UI/AddSubscriberController.java
+++ b/src/main/java/org/to/telegramfinalproject/UI/AddSubscriberController.java
@@ -29,6 +29,7 @@ public class AddSubscriberController {
     private final Set<Contact> selectedContacts = new HashSet<>();
 
     private String channelName;
+    private String channelId;
     private File channelImageFile;
     private String description;
 
@@ -201,8 +202,9 @@ public class AddSubscriberController {
         searchIcon.setGraphic(icon);
     }
 
-    public void setChannelInfo(String name, String description, File image) {
+    public void setChannelInfo(String name, String id, String description, File image) {
         this.channelName = name;
+        this.channelId = id;
         this.channelImageFile = image;
         this.description = description;
     }
diff --git a/src/main/java/org/to/telegramfinalproject/UI/EditProfileController.java b/src/main/java/org/to/telegramfinalproject/UI/EditProfileController.java
index e98e0c5..de8eba8 100644
--- a/src/main/java/org/to/telegramfinalproject/UI/EditProfileController.java
+++ b/src/main/java/org/to/telegramfinalproject/UI/EditProfileController.java
@@ -46,7 +46,10 @@ public class EditProfileController {
         overlayBackground.setOnMouseClicked(e -> closeEdit());
 
         closeButton.setOnAction(e -> closeEdit());
-        backButton.setOnAction(e -> goBackToProfile());
+
+        backButton.setOnAction(e -> {
+            MainController.getInstance().goBack(overlayBackground);
+        });
 
         // Load your camera icon image (white camera icon for visibility)
         cameraIcon.setImage(new Image(
@@ -101,38 +104,6 @@ public class EditProfileController {
         MainController.getInstance().closeOverlay(editCard.getParent());
     }
 
-    @FXML
-    private void goBackToProfile() {
-        // Close edit overlay
-        MainController.getInstance().closeOverlay(editCard.getParent());
-
-        try {
-            FXMLLoader loader = new FXMLLoader(getClass().getResource(
-                    "/org/to/telegramfinalproject/Fxml/my_profile.fxml"));
-            Node profileOverlay = loader.load();
-
-            // Get the controller for the loaded MyProfile scene
-            MyProfileController controller = loader.getController();
-
-            // Pass updated data from edit fields
-            controller.setProfileData(
-                    nameField.getText(),
-                    "online",
-                    bioField.getText(),
-                    usernameField.getText(),
-                    profileImageView.getImage() != null ?
-                            profileImageView.getImage().getUrl() :
-                            "/org/to/telegramfinalproject/Avatars/default_profile.png"
-            );
-
-            // Show updated MyProfile overlay
-            MainController.getInstance().showOverlay(profileOverlay);
-
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-    }
-
     public void setProfileData(String name, String status, String bio, String userId, Image profileImage) {
         profileStatus.setText(status);
         profileName.setText(name);
diff --git a/src/main/java/org/to/telegramfinalproject/UI/MainController.java b/src/main/java/org/to/telegramfinalproject/UI/MainController.java
index 16bffad..9cfbe52 100644
--- a/src/main/java/org/to/telegramfinalproject/UI/MainController.java
+++ b/src/main/java/org/to/telegramfinalproject/UI/MainController.java
@@ -62,6 +62,9 @@ public class MainController {
     @FXML private ImageView menuIcon;
     private SidebarMenuController sidebarController; //save sidebar controller
 
+    // === Overlay ===
+    @FXML private StackPane overlayLayer;
+
     // === Time formatter for messages ===
     private static final java.time.format.DateTimeFormatter FMT_HHMM =
             java.time.format.DateTimeFormatter.ofPattern("HH:mm");
@@ -84,6 +87,9 @@ public class MainController {
     public static MainController getInstance() {
         return instance;
     }
+
+    // Keep track of the scene user comes from
+    private final Deque<Node> navigationStack = new ArrayDeque<>();
     private final Map<UUID, ChatItemController> itemControllers = new HashMap<>();
 
 
@@ -590,13 +596,30 @@ public class MainController {
 
     // === Overlay Handling ===
     public void showOverlay(Node overlayNode) {
-        mainRoot.getChildren().add(overlayNode);
+        if (!overlayLayer.getChildren().isEmpty()) {
+            Node current = overlayLayer.getChildren().get(overlayLayer.getChildren().size() - 1);
+            navigationStack.push(current);
+            overlayLayer.getChildren().remove(current);
+        }
+        overlayLayer.getChildren().add(overlayNode);
     }
 
     public void closeOverlay(Node overlayNode) {
-        mainRoot.getChildren().remove(overlayNode);
+        overlayLayer.getChildren().remove(overlayNode);
     }
 
+    public void goBack(Pane currentOverlay) {
+        // Remove the current overlay
+        closeOverlay(currentOverlay);
+
+        if (!navigationStack.isEmpty()) {
+            Node previous = navigationStack.pop();
+
+            // Clear existing overlays before showing previous
+            overlayLayer.getChildren().clear();
+            overlayLayer.getChildren().add(previous);
+        }
+    }
 
     // ===== Search UI state =====
     private final java.util.List<SearchResult> searchBacking = new java.util.ArrayList<>();
diff --git a/src/main/java/org/to/telegramfinalproject/UI/NewChannelController.java b/src/main/java/org/to/telegramfinalproject/UI/NewChannelController.java
index a13ac44..68e7329 100644
--- a/src/main/java/org/to/telegramfinalproject/UI/NewChannelController.java
+++ b/src/main/java/org/to/telegramfinalproject/UI/NewChannelController.java
@@ -30,6 +30,8 @@ public class NewChannelController {
     @FXML private Button createButton;
     @FXML private StackPane overlayRoot;   // the root
     @FXML private Label descCounter;
+    @FXML private Label channelIdLabel;
+    @FXML private TextField channelIdField;
 
     private File channelImageFile;
 
@@ -67,6 +69,7 @@ public class NewChannelController {
         // Create button → validate name + submit
         createButton.setOnAction(e -> {
             String channelName = channelNameField.getText().trim();
+            String channelId = channelIdField.getText().trim();
             String description = channelDescField.getText().trim();
 
             if (channelName.isEmpty()) {
@@ -76,6 +79,13 @@ public class NewChannelController {
                 return;
             }
 
+            if (channelId.isEmpty()) {
+                // Apply error style
+                channelIdField.getStyleClass().add("error");
+                channelIdLabel.getStyleClass().add("error");
+                return;
+            }
+
             try {
                 // Load Add Members overlay
                 FXMLLoader loader = new FXMLLoader(getClass().getResource(
@@ -84,7 +94,7 @@ public class NewChannelController {
 
                 // Pass channel info to AddMembersController
                 AddSubscriberController controller = loader.getController();
-                controller.setChannelInfo(channelName, description, channelImageFile);
+                controller.setChannelInfo(channelName, channelId, description, channelImageFile);
 
                 // Close the current "New Channel" overlay
                 MainController.getInstance().closeOverlay(overlayRoot);
@@ -133,6 +143,14 @@ public class NewChannelController {
             }
         });
 
+        // Reset error state when typing
+        channelIdField.textProperty().addListener((obs, oldVal, newVal) -> {
+            if (!newVal.trim().isEmpty()) {
+                channelIdField.getStyleClass().remove("error");
+                channelIdLabel.getStyleClass().remove("error");
+            }
+        });
+
         // Auto-focus channel name on open
         Platform.runLater(() -> channelNameField.requestFocus());
 
diff --git a/src/main/java/org/to/telegramfinalproject/UI/NewGroupController.java b/src/main/java/org/to/telegramfinalproject/UI/NewGroupController.java
index a676fb2..21c27fe 100644
--- a/src/main/java/org/to/telegramfinalproject/UI/NewGroupController.java
+++ b/src/main/java/org/to/telegramfinalproject/UI/NewGroupController.java
@@ -24,6 +24,8 @@ public class NewGroupController {
     @FXML private Button cancelButton;
     @FXML private Button nextButton;
     @FXML private StackPane overlayRoot;   // the root
+    @FXML private TextField groupIdField;
+    @FXML private Label groupIdLabel;
 
     private File groupImageFile;
 
@@ -58,6 +60,7 @@ public class NewGroupController {
 
         nextButton.setOnAction(e -> {
             String groupName = groupNameField.getText().trim();
+            String groupId = groupIdField.getText().trim();
 
             if (groupName.isEmpty()) {
                 // Apply error style
@@ -67,6 +70,14 @@ public class NewGroupController {
                 return;
             }
 
+            if (groupId.isEmpty()) {
+                // Apply error style
+                groupIdField.getStyleClass().add("error");
+                groupIdLabel.getStyleClass().add("error");
+
+                return;
+            }
+
             try {
                 FXMLLoader loader = new FXMLLoader(getClass().getResource(
                         "/org/to/telegramfinalproject/Fxml/add_member.fxml"));
@@ -74,7 +85,7 @@ public class NewGroupController {
 
                 // Optional: pass groupName and image to AddMembersController
                 AddMembersController controller = loader.getController();
-                controller.setGroupInfo(groupName, groupImageFile);
+                controller.setGroupInfo(groupName, groupId, groupImageFile);
 
                 // Close the current "New Group" overlay
                 MainController.getInstance().closeOverlay(overlayRoot);
@@ -87,6 +98,7 @@ public class NewGroupController {
             }
         });
 
+        // Reset error state when typing
         groupNameField.textProperty().addListener((obs, oldVal, newVal) -> {
             if (!newVal.trim().isEmpty()) {
                 groupNameField.getStyleClass().remove("error");
@@ -94,6 +106,14 @@ public class NewGroupController {
             }
         });
 
+        // Reset error state when typing
+        groupIdField.textProperty().addListener((obs, oldVal, newVal) -> {
+            if (!newVal.trim().isEmpty()) {
+                groupIdField.getStyleClass().remove("error");
+                groupIdLabel.getStyleClass().remove("error");
+            }
+        });
+
         // Auto_focus search bar when overlay opens
         Platform.runLater(() -> groupNameField.requestFocus());
     }
diff --git a/src/main/java/org/to/telegramfinalproject/UI/SettingsController.java b/src/main/java/org/to/telegramfinalproject/UI/SettingsController.java
new file mode 100644
index 0000000..494fa02
--- /dev/null
+++ b/src/main/java/org/to/telegramfinalproject/UI/SettingsController.java
@@ -0,0 +1,160 @@
+package org.to.telegramfinalproject.UI;
+
+import javafx.application.Platform;
+import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Node;
+import javafx.scene.control.*;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
+import javafx.scene.layout.Pane;
+import javafx.scene.layout.StackPane;
+import javafx.scene.layout.VBox;
+import javafx.scene.shape.Circle;
+
+import java.io.IOException;
+import java.net.URL;
+
+public class SettingsController {
+
+    @FXML private VBox settingsCard;
+    @FXML private ImageView profileImage;
+    @FXML private Label profileName;
+    @FXML private Label profileId;
+    @FXML private MenuButton menuButton;
+    @FXML private MenuItem editProfileItem;
+    @FXML private MenuItem logoutItem;
+    @FXML private Button myAccountButton;
+    @FXML private Button privacyButton;
+    @FXML private Button faqButton;
+    @FXML private Button featuresButton;
+    @FXML private Pane overlayBackground;
+    @FXML private Button closeButton;
+
+    private static final String ICON_PATH = "/org/to/telegramfinalproject/Icons/";
+
+    @FXML
+    public void initialize() {
+        editProfileItem.setOnAction(e -> openEditProfile());
+        logoutItem.setOnAction(e -> System.out.println("Log Out clicked"));
+
+        // Example data – load from DB or user session later
+        profileName.setText("Asal");
+        profileId.setText("@Whales_suicide");
+        profileImage.setImage(new Image(
+                getClass().getResourceAsStream("/org/to/telegramfinalproject/Avatars/default_user_profile.png")
+        ));
+
+        // Make it circular
+        Circle clip = new Circle(48, 28, 38); // centerX, centerY, radius
+        profileImage.setClip(clip);
+
+        // Buttons
+        myAccountButton.setOnAction(e -> openEditProfile());
+
+        privacyButton.setOnAction(e -> System.out.println("Privacy and Security"));
+        faqButton.setOnAction(e -> System.out.println("Telegram Q&A"));
+        featuresButton.setOnAction(e -> System.out.println("Telegram Features"));
+
+        // Close overlay on background click
+        overlayBackground.setOnMouseClicked(e ->
+                MainController.getInstance().closeOverlay(settingsCard.getParent()));
+
+        closeButton.setOnAction(e ->
+                MainController.getInstance().closeOverlay(settingsCard.getParent())
+        );
+
+        // Register scene for ThemeManager → stylesheet swap will handle colors/icons
+        Platform.runLater(() -> {
+            if (settingsCard.getScene() != null) {
+                ThemeManager.getInstance().registerScene(settingsCard.getScene());
+            }
+        });
+
+        // Listener for theme change
+        ThemeManager.getInstance().darkModeProperty().addListener((obs, oldVal, newVal) -> {
+            updateEditIcon(newVal);
+            updateMoreIcon(newVal);
+            updateButtonsIcons(newVal);
+        });
+
+        // Set initial state
+        updateEditIcon(ThemeManager.getInstance().isDarkMode());
+        updateMoreIcon(ThemeManager.getInstance().isDarkMode());
+        updateButtonsIcons(ThemeManager.getInstance().isDarkMode());
+    }
+
+    private void openEditProfile() {
+        try {
+            FXMLLoader loader = new FXMLLoader(getClass().getResource(
+                    "/org/to/telegramfinalproject/Fxml/edit_profile.fxml"));
+            Node editOverlay = loader.load();
+
+            EditProfileController controller = loader.getController();
+            controller.setProfileData(
+                    profileName.getText(),
+                    "online",
+                    "Pass me that lovely little gun♡.",
+                    "@Whales_suicide",
+                    profileImage.getImage()
+            );
+
+            MainController.getInstance().showOverlay(editOverlay);
+        } catch (IOException ex) {
+            ex.printStackTrace();
+        }
+    }
+
+    private void updateEditIcon(boolean darkMode) {
+        String editPath = darkMode
+                ? "/org/to/telegramfinalproject/Icons/edit_light.png"
+                : "/org/to/telegramfinalproject/Icons/edit_dark.png";
+
+        ImageView icon = new ImageView(new Image(getClass().getResourceAsStream(editPath)));
+        icon.setFitWidth(16);
+        icon.setFitHeight(16);
+        editProfileItem.setGraphic(icon);
+    }
+
+    private void updateMoreIcon(boolean darkMode) {
+        String morePath = darkMode
+                ? "/org/to/telegramfinalproject/Icons/more_light.png"
+                : "/org/to/telegramfinalproject/Icons/more_dark.png";
+
+        ImageView icon = new ImageView(new Image(getClass().getResourceAsStream(morePath)));
+        icon.setFitWidth(16);
+        icon.setFitHeight(16);
+        menuButton.setGraphic(icon);
+    }
+
+    private void updateButtonsIcons(boolean darkMode) {
+        String suffix = darkMode ? "_light.png" : "_dark.png";
+        myAccountButton.setGraphic(makeIcon(ICON_PATH + "my_profile" + suffix));
+        privacyButton.setGraphic(makeIcon(ICON_PATH + "lock" + suffix));
+        faqButton.setGraphic(makeIcon(ICON_PATH + "telegram_features" + suffix));
+        featuresButton.setGraphic(makeIcon(ICON_PATH + "telegram_qna" + suffix));
+    }
+
+    // --- helpers -------------------------------------------------------------
+
+    private ImageView makeIcon(String path) {
+        ImageView iv = new ImageView();
+        Image img = loadImage(path);
+        if (img != null) {
+            iv.setImage(img);
+            iv.setFitWidth(22);
+            iv.setFitHeight(22);
+            iv.setPreserveRatio(true);
+        }
+        return iv;
+    }
+
+    private Image loadImage(String path) {
+        URL res = getClass().getResource(path);
+        if (res == null) {
+            System.err.println("Resource not found: " + path);
+            return null;
+        }
+        return new Image(res.toExternalForm());
+    }
+}
diff --git a/src/main/java/org/to/telegramfinalproject/UI/SidebarMenuController.java b/src/main/java/org/to/telegramfinalproject/UI/SidebarMenuController.java
index 08208fc..696529d 100644
--- a/src/main/java/org/to/telegramfinalproject/UI/SidebarMenuController.java
+++ b/src/main/java/org/to/telegramfinalproject/UI/SidebarMenuController.java
@@ -239,7 +239,21 @@ public class SidebarMenuController {
     }
 
     private void openSavedMessages() { System.out.println("Opening Saved Messages..."); }
-    private void openSettings() { System.out.println("Opening Settings..."); }
+
+    private void openSettings() {
+        try {
+            FXMLLoader loader = new FXMLLoader(getClass().getResource(
+                    "/org/to/telegramfinalproject/Fxml/settings.fxml"));
+            Node settingsOverlay = loader.load();
+
+            // Show overlay on top of everything
+            MainController.getInstance().showOverlay(settingsOverlay);
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
     private void openTelegramFeatures() { System.out.println("Opening Telegram Features..."); }
     private void openTelegramQnA() { System.out.println("Opening Telegram Q&A..."); }
 
diff --git a/src/main/resources/org/to/telegramfinalproject/CSS/dark_theme.css b/src/main/resources/org/to/telegramfinalproject/CSS/dark_theme.css
index 60b6b8c..6530b57 100644
--- a/src/main/resources/org/to/telegramfinalproject/CSS/dark_theme.css
+++ b/src/main/resources/org/to/telegramfinalproject/CSS/dark_theme.css
@@ -760,3 +760,141 @@
 .channel-desc-area .content {
     -fx-background-color: #1f2a36;
 }
+
+.settings-card {
+    -fx-background-color: #1f2a36;
+    -fx-background-radius: 8;
+    -fx-padding: 12;
+}
+
+.settings-avatar {
+    -fx-fit-width: 56px;
+    -fx-fit-height: 56px;
+}
+
+.settings-name {
+    -fx-font-size: 16px;
+    -fx-font-weight: bold;
+    -fx-text-fill: #ffffff;
+}
+
+.settings-id {
+    -fx-font-size: 13px;
+    -fx-text-fill: #aaaaaa;
+}
+
+.settings-option {
+    -fx-background-color: transparent;
+    -fx-text-fill: #ffffff;
+    -fx-font-size: 14px;
+    -fx-alignment: CENTER_LEFT;
+}
+
+.settings-option:hover {
+    -fx-background-color: #253544;
+}
+
+.settings-menu {
+    -fx-background-color: transparent;
+    -fx-font-size: 18px;
+    -fx-text-fill: #eeeeee;
+}
+
+.settings-header {
+    -fx-padding: 8 12;
+    -fx-border-color: -fx-box-border;
+    -fx-border-width: 0 0 1 0; /* bottom border only */
+}
+
+.settings-title {
+    -fx-font-size: 15px;
+    -fx-font-weight: bold;
+    -fx-text-fill: #fff;
+}
+
+.icon-button {
+    -fx-background-color: transparent;
+    -fx-padding: 0;
+}
+
+.icon-button:hover {
+    -fx-background-color: rgba(0,0,0,0.05);
+    -fx-background-radius: 50%;
+}
+
+/* Profile header */
+.profile-header {
+    -fx-padding: 12 16;
+}
+
+.profile-avatar {
+    -fx-background-radius: 50%;
+    -fx-effect: dropshadow(gaussian, rgba(0,0,0,0.2), 4, 0.3, 0, 1);
+}
+
+.profile-name {
+    -fx-font-size: 14px;
+    -fx-font-weight: bold;
+    -fx-text-fill: #fff;
+}
+
+.profile-id {
+    -fx-font-size: 12px;
+    -fx-text-fill: #aaa;
+}
+
+/* Hide MenuButton text & arrow */
+.icon-button > .label {
+    -fx-padding: 0;
+    -fx-text-fill: transparent;
+}
+
+.icon-button > .arrow-button,
+.icon-button > .arrow {
+    -fx-padding: 0;
+    -fx-shape: null;  /* removes arrow shape */
+    -fx-background-color: transparent;
+    -fx-opacity: 0;
+}
+
+.icon-image {
+    -fx-smooth: true;       /* keeps scaling smooth */
+    -fx-opacity: 0.8;       /* slightly dim until hover */
+}
+
+.icon-image:hover {
+    -fx-opacity: 1.0;       /* brighten on hover */
+}
+
+/* Container for all settings buttons */
+.settings-options {
+    -fx-background-color: transparent;
+    -fx-spacing: 4;
+    -fx-padding: 8 0 8 0;
+    -fx-border-color: #2a3b47;
+    -fx-border-width: 0 0 0 0;   /* thin top border */
+}
+
+/* Settings action buttons */
+.settings-option {
+    -fx-background-color: transparent;
+    -fx-text-fill: #ddd;
+    -fx-font-size: 14px;
+    -fx-alignment: CENTER_LEFT;
+    -fx-padding: 10 14;
+    -fx-background-radius: 6;
+    -fx-cursor: hand;
+
+    /* space between icon and text */
+    -fx-graphic-text-gap: 10px;
+}
+
+/* Hover effect */
+.settings-option:hover {
+    -fx-background-color: #2c3e50;
+}
+
+/* Pressed effect */
+.settings-option:pressed {
+    -fx-background-color: #1f2a36;
+}
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 9421837..c82925e 100644
--- a/src/main/resources/org/to/telegramfinalproject/CSS/light_theme.css
+++ b/src/main/resources/org/to/telegramfinalproject/CSS/light_theme.css
@@ -763,3 +763,141 @@
     -fx-background-color: #fff;
 }
 
+.settings-card {
+    -fx-background-color: #ffffff;
+    -fx-background-radius: 8;
+    -fx-padding: 12;
+}
+
+.settings-avatar {
+    -fx-fit-width: 56px;
+    -fx-fit-height: 56px;
+}
+
+.settings-name {
+    -fx-font-size: 16px;
+    -fx-font-weight: bold;
+    -fx-text-fill: #000000;
+}
+
+.settings-id {
+    -fx-font-size: 13px;
+    -fx-text-fill: #666666;
+}
+
+.settings-option {
+    -fx-background-color: transparent;
+    -fx-text-fill: #000000;
+    -fx-font-size: 14px;
+    -fx-alignment: CENTER_LEFT;
+}
+
+.settings-option:hover {
+    -fx-background-color: #f1f1f1;
+}
+
+.settings-menu {
+    -fx-background-color: transparent;
+    -fx-font-size: 18px;
+    -fx-text-fill: #333333;
+}
+
+.settings-header {
+    -fx-padding: 8 12;
+    -fx-border-color: -fx-box-border;
+    -fx-border-width: 0 0 1 0; /* bottom border only */
+}
+
+.settings-title {
+    -fx-font-size: 15px;
+    -fx-font-weight: bold;
+    -fx-text-fill: -fx-text-base-color;
+}
+
+.icon-button {
+    -fx-background-color: transparent;
+    -fx-padding: 0;
+}
+
+.icon-button:hover {
+    -fx-background-color: rgba(0,0,0,0.05);
+    -fx-background-radius: 50%;
+}
+
+/* Profile header */
+.profile-header {
+    -fx-padding: 12 16;
+}
+
+.profile-avatar {
+    -fx-background-radius: 50%;
+    -fx-effect: dropshadow(gaussian, rgba(0,0,0,0.2), 4, 0.3, 0, 1);
+}
+
+.profile-name {
+    -fx-font-size: 14px;
+    -fx-font-weight: bold;
+    -fx-text-fill: -fx-text-base-color;
+}
+
+.profile-id {
+    -fx-font-size: 12px;
+    -fx-text-fill: #888;
+}
+
+/* Hide MenuButton text & arrow */
+.icon-button > .label {
+    -fx-padding: 0;
+    -fx-text-fill: transparent;
+}
+
+.icon-button > .arrow-button,
+.icon-button > .arrow {
+    -fx-padding: 0;
+    -fx-shape: null;  /* removes arrow shape */
+    -fx-background-color: transparent;
+    -fx-opacity: 0;
+}
+
+.icon-image {
+    -fx-smooth: true;       /* keeps scaling smooth */
+    -fx-opacity: 0.8;       /* slightly dim until hover */
+}
+
+.icon-image:hover {
+    -fx-opacity: 1.0;       /* brighten on hover */
+}
+
+/* Container for all settings buttons */
+.settings-options {
+    -fx-background-color: transparent;
+    -fx-spacing: 4;
+    -fx-padding: 8 0 8 0;
+    -fx-border-color: #e6e6e6;
+    -fx-border-width: 0 0 0 0;   /* thin top border */
+}
+
+/* Settings action buttons */
+.settings-option {
+    -fx-background-color: transparent;
+    -fx-text-fill: #222;
+    -fx-font-size: 14px;
+    -fx-alignment: CENTER_LEFT;
+    -fx-padding: 10 14;
+    -fx-background-radius: 6;
+    -fx-cursor: hand;
+
+    /* space between icon and text */
+    -fx-graphic-text-gap: 10px;
+}
+
+/* Hover effect */
+.settings-option:hover {
+    -fx-background-color: #f2f2f2;
+}
+
+/* Pressed effect */
+.settings-option:pressed {
+    -fx-background-color: #e0e0e0;
+}
+
diff --git a/src/main/resources/org/to/telegramfinalproject/Fxml/main.fxml b/src/main/resources/org/to/telegramfinalproject/Fxml/main.fxml
index 4299c06..d3faff1 100644
--- a/src/main/resources/org/to/telegramfinalproject/Fxml/main.fxml
+++ b/src/main/resources/org/to/telegramfinalproject/Fxml/main.fxml
@@ -166,11 +166,15 @@
             </items>
         </SplitPane>
 
-        <!-- Overlay (for sidebar) -->
+        <!-- ===== Overlay background for sidebar only ===== -->
         <Pane fx:id="overlay"
               mouseTransparent="true"
               onMouseClicked="#closeSidebar"
               styleClass="overlay"
               visible="false"/>
+
+        <!-- ===== Overlay layer for profile/settings/etc. ===== -->
+        <StackPane fx:id="overlayLayer"
+                   pickOnBounds="false"/>
     </children>
 </StackPane>
diff --git a/src/main/resources/org/to/telegramfinalproject/Fxml/new_channel.fxml b/src/main/resources/org/to/telegramfinalproject/Fxml/new_channel.fxml
index 05598d2..eee83ab 100644
--- a/src/main/resources/org/to/telegramfinalproject/Fxml/new_channel.fxml
+++ b/src/main/resources/org/to/telegramfinalproject/Fxml/new_channel.fxml
@@ -17,7 +17,7 @@
           spacing="16"
           alignment="CENTER"
           prefWidth="400" maxWidth="400"
-          prefHeight="280" maxHeight="280">
+          prefHeight="380" maxHeight="380">
 
         <!-- Header Row: Picture + Name -->
         <HBox alignment="CENTER_LEFT" spacing="12">
@@ -42,6 +42,15 @@
             </VBox>
         </HBox>
 
+        <!-- ID -->
+        <VBox spacing="4" alignment="CENTER_LEFT">
+            <Label fx:id="channelIdLabel" text="Channel ID" styleClass="group-name-label"/>
+            <TextField fx:id="channelIdField"
+                       promptText="Enter channel ID"
+                       styleClass="group-name-field"
+                       HBox.hgrow="ALWAYS"/>
+        </VBox>
+
         <!-- Channel Description -->
         <VBox spacing="4" alignment="CENTER_LEFT">
             <Label fx:id="channelDescLabel" text="Description (optional)" styleClass="group-name-label"/>
diff --git a/src/main/resources/org/to/telegramfinalproject/Fxml/new_group.fxml b/src/main/resources/org/to/telegramfinalproject/Fxml/new_group.fxml
index a514887..cb2e354 100644
--- a/src/main/resources/org/to/telegramfinalproject/Fxml/new_group.fxml
+++ b/src/main/resources/org/to/telegramfinalproject/Fxml/new_group.fxml
@@ -42,6 +42,15 @@
             </VBox>
         </HBox>
 
+        <!-- Group ID (below the name) -->
+        <VBox spacing="4" alignment="CENTER_LEFT">
+            <Label fx:id="groupIdLabel" text="Group ID" styleClass="group-name-label"/>
+            <TextField fx:id="groupIdField"
+                       promptText="Enter group ID"
+                       styleClass="group-name-field"
+                       HBox.hgrow="ALWAYS"/>
+        </VBox>
+
         <!-- Footer: Cancel + Next -->
         <HBox alignment="CENTER_RIGHT" spacing="16">
             <Button fx:id="cancelButton" text="Cancel" styleClass="footer-button"/>
diff --git a/src/main/resources/org/to/telegramfinalproject/Fxml/settings.fxml b/src/main/resources/org/to/telegramfinalproject/Fxml/settings.fxml
new file mode 100644
index 0000000..ea80770
--- /dev/null
+++ b/src/main/resources/org/to/telegramfinalproject/Fxml/settings.fxml
@@ -0,0 +1,132 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import java.lang.*?>
+<?import javafx.scene.image.*?>
+<?import javafx.scene.layout.*?>
+<?import javafx.scene.image.ImageView?>
+<?import javafx.scene.control.*?>
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.image.Image?>
+
+<StackPane styleClass="overlay-root" xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/8" fx:controller="org.to.telegramfinalproject.UI.SettingsController">
+   <children>
+   
+       <!-- Dimmed background -->
+       <Pane fx:id="overlayBackground" styleClass="overlay-background" />
+   
+       <!-- Settings Card -->
+       <VBox fx:id="settingsCard" maxHeight="470" maxWidth="350" prefHeight="470" prefWidth="350" spacing="12" styleClass="settings-card">
+      <children>
+      
+              <!-- ===== Header ===== -->
+              <HBox alignment="CENTER_RIGHT" spacing="10" styleClass="settings-header">
+         <children>
+                     <Label styleClass="settings-title" text="Settings" />
+                     <Region HBox.hgrow="ALWAYS" /> <!-- pushes buttons to the right -->
+         
+                     <!-- 3-dots Menu -->
+                     <MenuButton fx:id="menuButton" styleClass="icon-button">
+                         <graphic>
+                             <ImageView fitHeight="18" fitWidth="18" pickOnBounds="true" preserveRatio="true" styleClass="icon-image">
+                                 <image>
+                                     <Image url="@/org/to/telegramfinalproject/Icons/more_dark.png" />
+                                 </image>
+                             </ImageView>
+                         </graphic>
+                         <items>
+                             <MenuItem fx:id="editProfileItem" text="Edit Profile">
+                                 <graphic>
+                                     <ImageView fitHeight="14" fitWidth="14" preserveRatio="true">
+                                         <image>
+                                             <Image url="@/org/to/telegramfinalproject/Icons/edit_dark.png" />
+                                         </image>
+                                     </ImageView>
+                                 </graphic>
+                             </MenuItem>
+                             <MenuItem fx:id="logoutItem" text="Log Out">
+                                 <graphic>
+                                     <ImageView fitHeight="14" fitWidth="14" preserveRatio="true">
+                                         <image>
+                                             <Image url="@/org/to/telegramfinalproject/Icons/log_out.png" />
+                                         </image>
+                                     </ImageView>
+                                 </graphic>
+                             </MenuItem>
+                         </items>
+                     </MenuButton>
+         
+                     <!-- Close Button -->
+                     <Button fx:id="closeButton" styleClass="icon-button" text="✕" />
+         </children>
+              </HBox>
+      
+              <!-- ===== Profile Info ===== -->
+              <HBox alignment="CENTER_LEFT" spacing="12" styleClass="profile-header">
+         <children>
+                     <!-- Profile Picture -->
+                     <ImageView fx:id="profileImage" fitHeight="92" fitWidth="92" preserveRatio="true" styleClass="profile-avatar" />
+         
+                     <!-- Name + ID -->
+                     <VBox alignment="CENTER_LEFT" spacing="2">
+            <children>
+                            <Label fx:id="profileName" styleClass="profile-name" text="User Name" />
+                            <Label fx:id="profileId" styleClass="profile-id" />
+            </children>
+                     </VBox>
+         </children>
+              </HBox>
+      
+              <Separator />
+      
+              <!-- ===== Options ===== -->
+              <VBox spacing="8" styleClass="settings-options">
+         <children>
+             <!-- My Account -->
+             <Button fx:id="myAccountButton" prefHeight="25.0" prefWidth="361.0" styleClass="settings-option" text="My Account">
+                 <graphic>
+                     <ImageView fitWidth="25" fitHeight="25" preserveRatio="true">
+                         <image>
+                             <Image url="@/org/to/telegramfinalproject/Icons/my_profile_dark.png"/>
+                         </image>
+                     </ImageView>
+                 </graphic>
+             </Button>
+
+             <!-- Privacy and Security -->
+             <Button fx:id="privacyButton" prefHeight="25.0" prefWidth="376.0" styleClass="settings-option" text="Privacy and Security">
+                 <graphic>
+                     <ImageView fitWidth="25" fitHeight="25" preserveRatio="true">
+                         <image>
+                             <Image url="@/org/to/telegramfinalproject/Icons/lock_dark.png"/>
+                         </image>
+                     </ImageView>
+                 </graphic>
+             </Button>
+
+             <!-- Telegram Q&A -->
+             <Button fx:id="faqButton" prefHeight="25.0" prefWidth="390.0" styleClass="settings-option" text="Telegram Q&amp;A">
+                 <graphic>
+                     <ImageView fitWidth="25" fitHeight="25" preserveRatio="true">
+                         <image>
+                             <Image url="@/org/to/telegramfinalproject/Icons/telegram_qna_dark.png"/>
+                         </image>
+                     </ImageView>
+                 </graphic>
+             </Button>
+
+             <!-- Telegram Features -->
+             <Button fx:id="featuresButton" prefHeight="25.0" prefWidth="370.0" styleClass="settings-option" text="Telegram Features">
+                 <graphic>
+                     <ImageView fitWidth="25" fitHeight="25" preserveRatio="true">
+                         <image>
+                             <Image url="@/org/to/telegramfinalproject/Icons/telegram_features_dark.png"/>
+                         </image>
+                     </ImageView>
+                 </graphic>
+             </Button>
+         </children>
+              </VBox>
+      </children>
+       </VBox>
+   </children>
+</StackPane>
diff --git a/src/main/resources/org/to/telegramfinalproject/Icons/lock_dark.png b/src/main/resources/org/to/telegramfinalproject/Icons/lock_dark.png
new file mode 100644
index 0000000..80c4ceb
Binary files /dev/null and b/src/main/resources/org/to/telegramfinalproject/Icons/lock_dark.png differ
diff --git a/src/main/resources/org/to/telegramfinalproject/Icons/lock_light.png b/src/main/resources/org/to/telegramfinalproject/Icons/lock_light.png
new file mode 100644
index 0000000..bf04fb0
Binary files /dev/null and b/src/main/resources/org/to/telegramfinalproject/Icons/lock_light.png differ
diff --git a/src/main/resources/org/to/telegramfinalproject/Icons/log_out.png b/src/main/resources/org/to/telegramfinalproject/Icons/log_out.png
new file mode 100644
index 0000000..e7f7fc8
Binary files /dev/null and b/src/main/resources/org/to/telegramfinalproject/Icons/log_out.png differ