Update app.py

app.py

@@ -43,11 +43,11 @@ st.markdown("""
             box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05) !important;
         }
         header[data-testid="stHeader"] {
-    background-color: #D3D3D3 !important;
+    background-color: gray !important;
 }
         section[data-testid="stSidebar"] > div:first-child {
     background-color: #1A1A1A !important;
-    color: #FFFFFF !important;
+    color: #D3D3D3 !important;
     padding: 2rem 1.5rem 1.5rem 1.5rem !important;
     border-radius: 12px;
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);