diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index d843f34..94a25f7 100644
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="VcsDirectoryMappings" defaultProject="true" />
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/main.py b/main.py
index 366097a..1ccef38 100644
--- a/main.py
+++ b/main.py
@@ -51,29 +51,58 @@ def on_key_press(key):
 
 
 def clear_focus(event):
-    """Clears focus from entry when clicking anywhere else."""
-    if event.widget != delay_entry:
+    """Clears focus from entry when clicking anywhere else,
+       except if clicking on an entry widget."""
+    if event.widget not in (delay_entry, hotkey_entry):
         root.focus_set()
 
 
-# GUI Setup
+def open_config():
+    """Opens the configuration menu by hiding the main frame and showing the config frame."""
+    main_frame.pack_forget()
+    config_frame.pack(fill=tk.BOTH, expand=True)
+
+
+def close_config():
+    """Closes the configuration menu, updates HOTKEY, and returns to the main UI."""
+    global HOTKEY
+    new_hotkey = hotkey_entry.get().strip()
+    if new_hotkey:
+        HOTKEY = KeyCode(char=new_hotkey[0])
+        start_button.config(text=f"Start ({HOTKEY.char.upper()})")
+        stop_button.config(text=f"Stop ({HOTKEY.char.upper()})")
+        main_hotkey_label.config(text=f"Press '{HOTKEY.char}' to Start/Stop")
+    config_frame.pack_forget()
+    main_frame.pack(fill=tk.BOTH, expand=True)
+
+
 root = tk.Tk()
 root.title("Fretux' Autoclicker")
-root.geometry("300x150")
+root.geometry("300x200")
 root.eval('tk::PlaceWindow . center')
-config_button = tk.Button(root, text="Configure")
-tk.Label(root, text="Delay between clicks (seconds):").pack()
-delay_entry = tk.Entry(root)
-delay_entry.pack()
+main_frame = tk.Frame(root)
+main_frame.pack(fill=tk.BOTH, expand=True)
+tk.Label(main_frame, text="Delay between clicks (seconds):").pack(pady=5)
+delay_entry = tk.Entry(main_frame)
+delay_entry.pack(pady=5)
 delay_entry.insert(0, "0.5")
-tk.Label(root, text=f"Press '{HOTKEY.char}' to Start/Stop").pack()
-button_frame = tk.Frame(root)
+main_hotkey_label = tk.Label(main_frame, text=f"Press '{HOTKEY.char}' to Start/Stop")
+main_hotkey_label.pack(pady=5)
+button_frame = tk.Frame(main_frame)
 button_frame.pack(pady=10)
 start_button = tk.Button(button_frame, text=f"Start ({HOTKEY.char.upper()})", command=toggle_clicking, width=15)
 stop_button = tk.Button(button_frame, text=f"Stop ({HOTKEY.char.upper()})", command=toggle_clicking, width=15)
 start_button.pack(side=tk.LEFT, padx=5)
 stop_button.pack(side=tk.LEFT, padx=5)
-config_button.pack(side=tk.TOP, padx=5)
+config_button = tk.Button(main_frame, text="Configure", command=open_config)
+config_button.pack(pady=5)
+config_frame = tk.Frame(root)
+tk.Label(config_frame, text="Configure HOTKEY").pack(pady=10)
+hotkey_entry = tk.Entry(config_frame)
+hotkey_entry.pack(pady=5)
+hotkey_entry.insert(0, HOTKEY.char)
+back_button = tk.Button(config_frame, text="Back", command=close_config)
+back_button.pack(pady=10)
 root.bind("<Button-1>", clear_focus)
 listener = Listener(on_press=on_key_press)
 listener.start()