Update frontend.py

frontend.py

@@ -69,12 +69,15 @@ with tab1:
     st.markdown("Analyze feedback to detect churn risk, extract pain points, and support product decisions.")
 
     review = st.text_area("📝 Enter Customer Feedback", value=st.session_state.review, height=180)
+    if review and (len(review.split()) < 20 or len(review.split()) > 50):
+        st.warning("⚠️ For best results, keep the review between 20 to 50 words.")
+
     st.session_state.review = review
 
     analyze = False
     col1, col2, col3 = st.columns(3)
     with col1:
-        analyze = st.button("🔍 Analyze")
+        analyze = st.button("🔍 Analyze", disabled=not (20 <= len(review.split()) <= 50))
     with col2:
         if st.button("🎲 Example"):
             st.session_state.review = (