Enhance DataFrame display in Handbuilder tab of app.py by applying background gradients to player selection and lineup tables. This improves visual clarity and user experience when reviewing player data.

app.py

@@ -862,7 +862,7 @@ with tab4:
     with col2:
         st.subheader("Player Select")
         event = st.dataframe(
-            player_select_df,
+            player_select_df.style.background_gradient(axis=0).background_gradient(cmap='RdYlGn').background_gradient(cmap='RdYlGn_r', subset=['Order', 'Salary', 'Own%']).format(precision=2),
             on_select="rerun",
             selection_mode=["single-row"],
             key=f"handbuilder_select_{st.session_state['handbuilder_select_key']}",
@@ -935,7 +935,7 @@ with tab4:
 
         # Show the lineup table with single-row selection for removal
         event_remove = st.dataframe(
-            lineup_display_df,
+            lineup_display_df.style.background_gradient(axis=0).background_gradient(cmap='RdYlGn').background_gradient(cmap='RdYlGn_r', subset=['Order', 'Salary', 'Own%']).format(precision=2),
             on_select="rerun",
             selection_mode=["single-row"],
             key="lineup_remove",