Update app.py

app.py

@@ -67,25 +67,50 @@ def main():
         layout="wide"
     )
 
-    # Add custom CSS
+    # Add custom CSS with background color
     st.markdown("""
         <style>
+        /* Main background color */
         .stApp {
+            background-color: #f0f8ff;  /* Light blue background */
             max-width: 1200px;
             margin: 0 auto;
         }
+        
+        /* Style for markdown text */
         .stMarkdown {
             font-size: 16px;
         }
+        
+        /* Chat message styling */
         .chat-message {
             padding: 1rem;
             border-radius: 0.5rem;
             margin-bottom: 1rem;
+            background-color: white;  /* White background for messages */
+            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
         }
+        
+        /* Timestamp styling */
         .timestamp {
             font-size: 0.8em;
             color: #666;
         }
+        
+        /* Custom styling for chat containers */
+        .stChatMessage {
+            background-color: white;
+            border-radius: 10px;
+            padding: 10px;
+            margin: 10px 0;
+            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+        }
+        
+        /* Input box styling */
+        .stTextInput>div>div>input {
+            background-color: white;
+            border-radius: 20px;
+        }
         </style>
     """, unsafe_allow_html=True)