Update app.py

app.py

@@ -99,7 +99,7 @@ body {
 }
 
 button {
-    background: linear-gradient(90deg, #f0e6f6, #c6d9f0);
+    background: linear-gradient(90deg, #ff7eb3, #ff758c);  /* Bright gradient */
     color: white;
     padding: 0.6rem 1.2rem;
     font-size: 0.9rem;
@@ -111,7 +111,7 @@ button {
 }
 
 button:hover {
-    background: linear-gradient(90deg, #c6d9f0, #f0e6f6);
+    background: linear-gradient(90deg, #ff758c, #ff7eb3);  /* Reverse gradient for hover effect */
     transform: scale(1.05);
 }
 
@@ -191,12 +191,11 @@ header {
             return history, history
         updated_history, _ = chatbot(user_input, sub_category, history)
         return updated_history, updated_history
-        
 
     send_button.click(
         handle_chat,
-        inputs=[user_input, sub_category, chatbot_output],
+        inputs=[user_input, category_dropdown, chatbot_output],
         outputs=[chatbot_output, chatbot_output]
     )
-    
+
 chat_interface.launch()