Update app.py

app.py

@@ -40,21 +40,25 @@ task = st.sidebar.selectbox("What would you like to do?", [
     "Provide Learning Resources"
 ])
 
-theme = st.selectbox("Choose Theme", ["Light", "Dark"], index=0)
+# Sidebar Theme Toggle
+st.sidebar.header("Choose Theme")
+theme = st.sidebar.radio("Theme", ["Light", "Dark"], index=0)
 
 # Apply theme styles
 def set_theme(theme):
     if theme == "Dark":
         st.markdown("""
             <style>
-            body { background-color: #121212; color: #ffffff; }
-            .stTextArea textarea, .stSelectbox select, .stButton>button { background-color: #333333; color: white; }
+            body, .block-container { background-color: #121212; color: #ffffff; }
+            [data-testid="stSidebar"] { background-color: #333333; color: white; }
+            .stTextArea textarea, .stSelectbox select, .stButton>button { background-color: #444444; color: white; }
             </style>
         """, unsafe_allow_html=True)
     else:
         st.markdown("""
             <style>
-            body { background-color: #f5f5f5; color: #000000; }
+            body, .block-container { background-color: #f5f5f5; color: #000000; }
+            [data-testid="stSidebar"] { background-color: #ffffff; color: black; }
             .stTextArea textarea, .stSelectbox select, .stButton>button { background-color: #ffffff; color: black; }
             </style>
         """, unsafe_allow_html=True)