Update app.py

app.py

@@ -318,7 +318,7 @@ def process_question(user_question, app, config):
     return events
 
 # ------------------------------
-# Streamlit App UI
+# Streamlit App UI (Dark Theme)
 # ------------------------------
 def main():
     st.set_page_config(
@@ -330,29 +330,88 @@ def main():
     st.markdown("""
     <style>
     .stApp {
-        background-color: #f8f9fa;
+        background-color: #1a1a1a;
+        color: #ffffff;
     }
+    
+    .stTextArea textarea {
+        background-color: #2d2d2d !important;
+        color: #ffffff !important;
+    }
+    
     .stButton > button {
         width: 100%;
         margin-top: 20px;
+        background-color: #4CAF50;
+        color: white;
+        border: none;
+        padding: 10px 24px;
+        border-radius: 4px;
+        transition: all 0.3s;
     }
+    
+    .stButton > button:hover {
+        background-color: #45a049;
+        transform: scale(1.02);
+    }
+    
     .data-box {
         padding: 20px;
         border-radius: 10px;
         margin: 10px 0;
+        background-color: #2d2d2d;
+        box-shadow: 0 2px 4px rgba(0,0,0,0.2);
     }
+    
     .research-box {
-        background-color: #e3f2fd;
-        border-left: 5px solid #1976d2;
+        border-left: 5px solid #2196F3;
     }
+    
     .dev-box {
-        background-color: #e8f5e9;
-        border-left: 5px solid #43a047;
+        border-left: 5px solid #4CAF50;
+    }
+    
+    .st-expander {
+        background-color: #2d2d2d;
+        border: 1px solid #3d3d3d;
+        border-radius: 4px;
+    }
+    
+    .st-expander label {
+        color: #ffffff !important;
+    }
+    
+    .stAlert {
+        background-color: #2d2d2d !important;
+    }
+    
+    .st-bb {
+        color: white !important;
+    }
+    
+    h1, h2, h3, h4, h5, h6 {
+        color: #ffffff !important;
+    }
+    
+    .stMarkdown {
+        color: #e0e0e0;
+    }
+    
+    .stWarning {
+        background-color: #423a2d !important;
     }
     </style>
     """, unsafe_allow_html=True)
 
     with st.sidebar:
+        st.markdown("""
+        <style>
+        .sidebar .sidebar-content {
+            background-color: #2d2d2d;
+        }
+        </style>
+        """, unsafe_allow_html=True)
+        
         st.header("📚 Available Data")
         
         st.subheader("Research Database")
@@ -401,7 +460,7 @@ def main():
         - What are the latest advancements in AI research?
         - What is the status of Project A?
         - What are the current trends in machine learning?
-        """)
+        """, unsafe_allow_html=True)
 
 if __name__ == "__main__":
     main()