Update app.py

app.py

@@ -34,6 +34,8 @@ if url_input:
         st.sidebar.markdown('<p style="color:green; font-weight:bold;">URL is correctly entered</p>', unsafe_allow_html=True)
     else:
         st.sidebar.markdown('<p style="color:red; font-weight:bold;">Invalid URL, please enter a valid one</p>', unsafe_allow_html=True)
+else:
+    st.sidebar.markdown('<p style="color:red; font-weight:bold;">URL is required</p>', unsafe_allow_html=True)
 
 # Input fields for API keys with placeholders and helper text
 api_key_1 = st.sidebar.text_input("Enter LangChain API Key", type="password", placeholder="Enter your LangChain API Key", help="Please enter a valid LangChain API key here")
@@ -48,11 +50,15 @@ if st.sidebar.button("Submit API Keys"):
     else:
         st.sidebar.markdown('<p style="color:red; font-weight:bold;">Please fill in both API keys</p>', unsafe_allow_html=True)
 
-# Main Section with Multicolored Background and Chatbot Title
+# Main Section with Multicolored Background
 main_bg_style = """
     <style>
         body {
             background: linear-gradient(135deg, #ff9a9e, #fad0c4, #fbc2eb, #a18cd1);
+            color: #333; /* Ensures text visibility */
+        }
+        .stTextInput input {
+            color: #333; /* Ensures text color in inputs */
         }
     </style>
 """
@@ -125,6 +131,8 @@ if st.button("Submit Query"):
 
         # Store query and response in session for chat history
         st.session_state['chat_history'].append((query, result))
+    else:
+        st.warning("Both URL and query are required")
 
 # Display chat history
 for q, r in st.session_state['chat_history']: