diff --git a/.idea/Autoclicker.iml b/.idea/Autoclicker.iml
index 56a03f5..b6731d8 100644
--- a/.idea/Autoclicker.iml
+++ b/.idea/Autoclicker.iml
@@ -4,7 +4,7 @@
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/.venv" />
     </content>
-    <orderEntry type="jdk" jdkName="Python 3.11 (Autoclicker)" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Python 3.13" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 8a3e182..2f41227 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,4 +3,5 @@
   <component name="Black">
     <option name="sdkName" value="Python 3.11 (Autoclicker)" />
   </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.13" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file
diff --git a/main.py b/main.py
index 1ccef38..2170a79 100644
--- a/main.py
+++ b/main.py
@@ -1,110 +1,126 @@
 import tkinter as tk
 from tkinter import DISABLED, NORMAL
+from tkinter import ttk
 from pynput.mouse import Controller, Button
 from pynput.keyboard import Listener, KeyCode
 import threading
 import time
-
 mouse = Controller()
 clicking = False
 HOTKEY = KeyCode(char='-')
 
 
-def click_loop(delay):
-    """Continuously clicks while clicking is True."""
+def click_loop(delay: float) -> None:
+    """Continuously click the left mouse button while ``clicking`` is True.
+
+    Args:
+        delay: The number of seconds to wait between clicks.
+    """
     global clicking
     while clicking:
         mouse.click(Button.left, 1)
         time.sleep(delay)
 
 
-def toggle_clicking():
-    """Toggles the clicking state."""
+def toggle_clicking() -> None:
+    """Toggle the clicking state and start or stop the click thread as needed."""
     global clicking
     clicking = not clicking
     if clicking:
         try:
-            delay = float(delay_entry.get())
+            delay_val = float(delay_var.get())
         except ValueError:
-            delay = 0.5
-        thread = threading.Thread(target=click_loop, args=(delay,))
+            delay_val = 0.5
+        thread = threading.Thread(target=click_loop, args=(delay_val,))
         thread.daemon = True
         thread.start()
-    start_button.focus_set()
     root.focus_set()
-    switch()
+    switch_buttons()
 
 
-def switch():
+def switch_buttons() -> None:
+    """Update button states based on whether clicking is active."""
     if clicking:
-        start_button["state"] = DISABLED
-        stop_button["state"] = NORMAL
+        start_button.config(state=DISABLED)
+        stop_button.config(state=NORMAL)
     else:
-        start_button["state"] = NORMAL
-        stop_button["state"] = DISABLED
+        start_button.config(state=NORMAL)
+        stop_button.config(state=DISABLED)
 
 
-def on_key_press(key):
-    """Handles keypress events to toggle clicking."""
+def on_key_press(key) -> None:
+    """Handle keypress events to toggle clicking when the hotkey is pressed."""
     if key == HOTKEY:
         toggle_clicking()
 
 
-def clear_focus(event):
-    """Clears focus from entry when clicking anywhere else,
-       except if clicking on an entry widget."""
+def clear_focus(event) -> None:
+    """Clear focus from entry widgets when clicking elsewhere in the window."""
     if event.widget not in (delay_entry, hotkey_entry):
         root.focus_set()
 
 
-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 open_config() -> None:
+    """Display the configuration frame and hide the main frame."""
+    main_frame.grid_remove()
+    config_frame.grid(row=0, column=0, sticky="NSEW")
 
 
-def close_config():
-    """Closes the configuration menu, updates HOTKEY, and returns to the main UI."""
+def close_config() -> None:
+    """Hide the configuration frame, update the hotkey, and show the main frame."""
     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)
+        main_hotkey_label.config(text=f"Press '{HOTKEY.char.upper()}' to Start/Stop")
+    config_frame.grid_remove()
+    main_frame.grid()
 
 
 root = tk.Tk()
 root.title("Fretux' Autoclicker")
-root.geometry("300x200")
-root.eval('tk::PlaceWindow . center')
-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")
-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 = 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)
+root.geometry("350x250")
+root.resizable(False, False)
+style = ttk.Style(root)
+try:
+    style.theme_use('clam')
+except tk.TclError:
+    style.theme_use(style.theme_names()[0])
+style.configure("TButton", padding=6)
+style.configure("TEntry", padding=3)
+style.configure("TLabel", padding=3)
+root.columnconfigure(0, weight=1)
+root.rowconfigure(0, weight=1)
+main_frame = ttk.Frame(root, padding=10)
+main_frame.grid(row=0, column=0, sticky="NSEW")
+delay_label = ttk.Label(main_frame, text="Delay between clicks (seconds):")
+delay_label.grid(row=0, column=0, sticky="W", padx=(0, 5), pady=(0, 5))
+delay_var = tk.StringVar(value="0.5")
+delay_entry = ttk.Entry(main_frame, textvariable=delay_var, width=10)
+delay_entry.grid(row=0, column=1, sticky="W", pady=(0, 5))
+main_hotkey_label = ttk.Label(main_frame, text=f"Press '{HOTKEY.char.upper()}' to Start/Stop")
+main_hotkey_label.grid(row=1, column=0, columnspan=2, sticky="W", pady=(0, 10))
+buttons_frame = ttk.Frame(main_frame)
+buttons_frame.grid(row=2, column=0, columnspan=2, pady=(0, 10))
+start_button = ttk.Button(buttons_frame, text=f"Start ({HOTKEY.char.upper()})", command=toggle_clicking)
+stop_button = ttk.Button(buttons_frame, text=f"Stop ({HOTKEY.char.upper()})", command=toggle_clicking)
+start_button.grid(row=0, column=0, padx=(0, 5))
+stop_button.grid(row=0, column=1, padx=(5, 0))
+config_button = ttk.Button(main_frame, text="Configure", command=open_config)
+config_button.grid(row=3, column=0, columnspan=2)
+config_frame = ttk.Frame(root, padding=10)
+config_frame.columnconfigure(0, weight=1)
+config_label = ttk.Label(config_frame, text="Configure HOTKEY")
+config_label.grid(row=0, column=0, sticky="W", pady=(0, 10))
+hotkey_entry = ttk.Entry(config_frame, width=10)
 hotkey_entry.insert(0, HOTKEY.char)
-back_button = tk.Button(config_frame, text="Back", command=close_config)
-back_button.pack(pady=10)
+hotkey_entry.grid(row=1, column=0, sticky="W", pady=(0, 10))
+back_button = ttk.Button(config_frame, text="Back", command=close_config)
+back_button.grid(row=2, column=0, sticky="W")
 root.bind("<Button-1>", clear_focus)
 listener = Listener(on_press=on_key_press)
 listener.start()
-stop_button["state"] = DISABLED
-root.mainloop()
+stop_button.config(state=DISABLED)
+root.mainloop()
\ No newline at end of file