diff --git a/__pycache__/custom_file_dialog.cpython-312.pyc b/__pycache__/custom_file_dialog.cpython-312.pyc
index 110370f..93f80c2 100644
Binary files a/__pycache__/custom_file_dialog.cpython-312.pyc and b/__pycache__/custom_file_dialog.cpython-312.pyc differ
diff --git a/custom_file_dialog.py b/custom_file_dialog.py
index 83a8b5c..d2ef961 100644
--- a/custom_file_dialog.py
+++ b/custom_file_dialog.py
@@ -238,6 +238,7 @@ class CustomFileDialog(tk.Toplevel):
                   ('selected', "black" if not self.is_dark else "white")])
 
         style.configure("TButton.Borderless.Round", anchor="w")
+        style.configure("Small.Horizontal.TProgressbar", thickness=8)
 
     def create_widgets(self):
         # Main container
@@ -341,12 +342,44 @@ class CustomFileDialog(tk.Toplevel):
             row=1, column=0, sticky="ew", padx=20, pady=15)
 
         # Mounted devices
-        mounted_devices_frame = ttk.Frame(
-            sidebar_frame, style="Sidebar.TFrame")
-        mounted_devices_frame.grid(row=2, column=0, sticky="nsew", padx=10)
+        devices_outer_frame = ttk.Frame(sidebar_frame, style="Sidebar.TFrame")
+        devices_outer_frame.grid(row=2, column=0, sticky="nsw", padx=10)
+        devices_outer_frame.grid_rowconfigure(0, weight=1)
+        devices_outer_frame.grid_columnconfigure(0, weight=1)
+
+        devices_canvas = tk.Canvas(devices_outer_frame, highlightthickness=0, bg=self.sidebar_color)
+        devices_scrollbar = ttk.Scrollbar(devices_outer_frame, orient="vertical", command=devices_canvas.yview)
+        devices_canvas.configure(yscrollcommand=devices_scrollbar.set)
+
+        mounted_devices_frame = ttk.Frame(devices_canvas, style="Sidebar.TFrame")
+        canvas_window = devices_canvas.create_window((0, 0), window=mounted_devices_frame, anchor="nw")
+
+        def on_devices_configure(event):
+            devices_canvas.configure(scrollregion=devices_canvas.bbox("all"))
+            devices_canvas.itemconfig(canvas_window, width=event.width)
+
+        mounted_devices_frame.bind("<Configure>", on_devices_configure)
+
+        def _on_devices_mouse_wheel(event):
+            if event.num == 4: delta = -1
+            elif event.num == 5: delta = 1
+            else: delta = -1 * int(event.delta / 120)
+            devices_canvas.yview_scroll(delta, "units")
+
+        def show_scrollbar(event):
+            devices_scrollbar.place(relx=1.0, rely=0, relheight=1.0, anchor='ne')
+
+        def hide_scrollbar(event):
+            devices_scrollbar.place_forget()
+
+        devices_canvas.grid(row=0, column=0, sticky='nsew')
+        devices_outer_frame.bind("<Enter>", show_scrollbar)
+        devices_outer_frame.bind("<Leave>", hide_scrollbar)
+
         ttk.Label(mounted_devices_frame, text="Geräte:", background=self.sidebar_color,
                   foreground=self.color_foreground).pack(fill="x", padx=10, pady=(5, 0))
 
+        device_widgets = []
         for device_name, mount_point, removable in self._get_mounted_devices():
             icon = self.icons['usb_small'] if removable else self.icons['device_small']
             button_text = f" {device_name}"
@@ -356,16 +389,23 @@ class CustomFileDialog(tk.Toplevel):
             btn = ttk.Button(mounted_devices_frame, text=button_text, image=icon,
                              compound="left", command=lambda p=mount_point: self.navigate_to(p), style="Dark.TButton.Borderless")
             btn.pack(fill="x", pady=1)
+            device_widgets.append(btn)
             try:
                 total, used, _ = shutil.disk_usage(mount_point)
                 progress_bar = ttk.Progressbar(
                     mounted_devices_frame, orient="horizontal", length=100, mode="determinate", style='Small.Horizontal.TProgressbar')
                 progress_bar.pack(fill="x", pady=(2, 8), padx=25)
                 progress_bar['value'] = (used / total) * 100
+                device_widgets.append(progress_bar)
             except (FileNotFoundError, PermissionError):
-                # In case of errors (e.g., unreadable drive), just skip the progress bar
                 pass
 
+        all_widgets_to_bind = [devices_canvas, mounted_devices_frame] + device_widgets
+        for widget in all_widgets_to_bind:
+            widget.bind("<MouseWheel>", _on_devices_mouse_wheel)
+            widget.bind("<Button-4>", _on_devices_mouse_wheel)
+            widget.bind("<Button-5>", _on_devices_mouse_wheel)
+
         tk.Frame(sidebar_frame, height=1, bg=separator_color).grid(
             row=3, column=0, sticky="ew", padx=20, pady=15)
 
diff --git a/mainwindow.py b/mainwindow.py
index 0610908..1bd756d 100644
--- a/mainwindow.py
+++ b/mainwindow.py
@@ -58,7 +58,7 @@ if __name__ == "__main__":
     style = ttk.Style(root)
     root.tk.call('source', f"{theme_path}/water.tcl")
     try:
-        root.tk.call('set_theme', 'light')
+        root.tk.call('set_theme', 'dark')
     except tk.TclError:
         pass
     root.mainloop()