Update app2.py

app2.py

@@ -25,8 +25,8 @@ paper_list = []  # Add this line to initialize paper_list as an empty list
 main_body = [pn.pane.LaTeX("Please select some tags!", styles={'font-size': '20pt'})]
 
 # Create buttons for the toggleable sidebar
-button1 = pn.widgets.Button(name="🏠 Home", button_type='primary', button_style='outline', width=140)
-button2 = pn.widgets.Button(name='📁 My papers', button_type='primary', button_style='outline', width=140)
+button1 = pn.widgets.Button(name="🏠 Home", button_type='default', button_style='outline', width=140)
+button2 = pn.widgets.Button(name='📁 My papers', button_type='default', button_style='outline', width=140)
 button3 = pn.widgets.Toggle(name='⚙️ Settings', button_type='default', button_style='outline', width=140, value=False)
 
 # Custom RadioButtonGroup widget
@@ -57,6 +57,12 @@ buttons = pn.Column(
 def toggle_settings(event):
     buttons[-1].visible = event.new
 
+    # Set the icon of the "Settings" button based on its value
+    if event.new:
+        button3.icon = '✅'  # Checkmark icon
+    else:
+        button3.icon = '❌'  # "X" icon
+
 button3.param.watch(toggle_settings, 'value')
 
 # List to store the entered options