Update app.py

app.py

@@ -34,17 +34,26 @@ st.markdown("""
         }
          .stAlert {
             background-color: #f0f0f5 !important;
-            color: ##D3D3D3 !important;
+            color: #333333 !important;
             padding: 1.25rem !important;
             font-size: 1rem !important;
             border-radius: 0.5rem !important;
             box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05) !important;
         }
         header[data-testid="stHeader"] {
-            background-color: gray !important;
+            background-color: white !important;
         }
-            
+        section[data-testid="stSidebar"] > div:first-child {
+    background-color: #ffffff !important;
+    color: #808080  !important;
+    padding: 2rem 1.5rem 1.5rem 1.5rem !important;
+    border-radius: 12px;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
+    font-size: 0.95rem;
+    line-height: 1.5;
+}
     </style>
+        
 """, unsafe_allow_html=True)
 
 # Optional: Add a banner image (replace with your image URL)