Update UI: stack options vertically and add YouTube disclaimer

streamlit_app.py

@@ -247,20 +247,17 @@ def main() -> None:
     </div>
     """, unsafe_allow_html=True)
     
-    # User input section
-    col1, col2 = st.columns(2)
+    # User input section - stacked vertically instead of in columns
+    st.markdown('<div class="input-option">', unsafe_allow_html=True)
+    st.subheader("Option 1: Upload an audio file")
+    uploaded_file = st.file_uploader("Choose an audio file", type=['mp3', 'wav', 'ogg', 'flac', 'm4a'])
+    st.markdown('</div>', unsafe_allow_html=True)
     
-    with col1:
-        st.markdown('<div class="input-option">', unsafe_allow_html=True)
-        st.subheader("Option 1: Upload an audio file")
-        uploaded_file = st.file_uploader("Choose an audio file", type=['mp3', 'wav', 'ogg', 'flac', 'm4a'])
-        st.markdown('</div>', unsafe_allow_html=True)
-    
-    with col2:
-        st.markdown('<div class="input-option">', unsafe_allow_html=True)
-        st.subheader("Option 2: YouTube URL")
-        youtube_url = st.text_input("Enter a YouTube URL", placeholder="https://www.youtube.com/watch?v=...")
-        st.markdown('</div>', unsafe_allow_html=True)
+    st.markdown('<div class="input-option">', unsafe_allow_html=True)
+    st.subheader("Option 2: YouTube URL")
+    st.warning("⚠️ The YouTube download option may not work due to platform restrictions. It's recommended to use the file upload option instead.")
+    youtube_url = st.text_input("Enter a YouTube URL", placeholder="https://www.youtube.com/watch?v=...")
+    st.markdown('</div>', unsafe_allow_html=True)
     
     # Process button
     if st.button("Analyze"):