Fix an issue where selecting sort list causing an auto scroll downward

ui.py

@@ -411,24 +411,25 @@ def render_multifile_summary(plotly_config=None):
                 "are only counted once."
             )
 
-            sort_options = {
-                "Single Voice (least → most)": (["Single Voice", "Multi Voice"], True),
-                "Multi Voice (least → most)":  (["Multi Voice",  "Single Voice"], True),
-                "No Voice (most → least)":     (["No Voice",     "Multi Voice"], False),
-            }
-            selected_sort = st.selectbox(
-                "Sort cross-file voice categories by:",
-                options=list(sort_options.keys()),
-                key="multifile_voice_sort",
-            )
-            sort_cols, ascending = sort_options[selected_sort]
-            fig7 = px.bar(
-                df7.sort_values(by=sort_cols, ascending=ascending),
-                x="files", y=["Single Voice", "Multi Voice", "No Voice"],
-                title=f"Cross-file Voice Categories sorted by {selected_sort}",
-            )
-            fig7.update_layout(yaxis_title="Proportion of File Duration")
-            st.plotly_chart(fig7, use_container_width=True, config=cfg)
+            with st.container():
+                sort_options = {
+                    "Single Voice (least → most)": (["Single Voice", "Multi Voice"], True),
+                    "Multi Voice (least → most)":  (["Multi Voice",  "Single Voice"], True),
+                    "No Voice (most → least)":     (["No Voice",     "Multi Voice"], False),
+                }
+                selected_sort = st.selectbox(
+                    "Sort cross-file voice categories by:",
+                    options=list(sort_options.keys()),
+                    key="multifile_voice_sort",
+                )
+                sort_cols, ascending = sort_options[selected_sort]
+                fig7 = px.bar(
+                    df7.sort_values(by=sort_cols, ascending=ascending),
+                    x="files", y=["Single Voice", "Multi Voice", "No Voice"],
+                    title=f"Cross-file Voice Categories sorted by {selected_sort}",
+                )
+                fig7.update_layout(yaxis_title="Proportion of File Duration")
+                st.plotly_chart(fig7, use_container_width=True, config=cfg)
 
             st.divider()
 
@@ -438,28 +439,24 @@ def render_multifile_summary(plotly_config=None):
                 st.session_state.categories, st.session_state.categorySelect,
                 speakerRenames=st.session_state.speakerRenames,
             )
-            # Build sort options dynamically from available columns
-            role_sort_options = {}
-            for col in role_voice_cols:
-                if col in ("Multi Voice", "No Voice"):
-                    role_sort_options[f"{col} (most → least)"] = ([col], False)
-                else:
-                    role_sort_options[f"{col} (least → most)"] = ([col], True)
-
-            selected_role_sort = st.selectbox(
-                "Sort cross-file role/voice breakdown by:",
-                options=list(role_sort_options.keys()),
-                key="multifile_role_voice_sort",
-            )
-            sort_cols8, ascending8 = role_sort_options[selected_role_sort]
-            fig8 = px.bar(
-                df8.sort_values(by=sort_cols8, ascending=ascending8),
-                x="files", y=role_voice_cols,
-                title=f"Cross-file Role & Voice Breakdown sorted by {selected_role_sort}",
-            )
-            fig8.update_layout(yaxis_title="Proportion of File Duration")
-            st.plotly_chart(fig8, use_container_width=True, config=cfg)
-            st.caption(
-                "*Note: Role proportions use union of speaker segments (overlaps counted once). "
-                "Multi Voice and No Voice are proportions of total file duration."
-            )
+            with st.container():
+                role_sort_options = {}
+                for col in role_voice_cols:
+                    if col in ("Multi Voice", "No Voice"):
+                        role_sort_options[f"{col} (most → least)"] = ([col], False)
+                    else:
+                        role_sort_options[f"{col} (least → most)"] = ([col], True)
+
+                selected_role_sort = st.selectbox(
+                    "Sort cross-file role/voice breakdown by:",
+                    options=list(role_sort_options.keys()),
+                    key="multifile_role_voice_sort",
+                )
+                sort_cols8, ascending8 = role_sort_options[selected_role_sort]
+                fig8 = px.bar(
+                    df8.sort_values(by=sort_cols8, ascending=ascending8),
+                    x="files", y=role_voice_cols,
+                    title=f"Cross-file Role & Voice Breakdown sorted by {selected_role_sort}",
+                )
+                fig8.update_layout(yaxis_title="Proportion of File Duration")
+                st.plotly_chart(fig8, use_container_width=True, config=cfg)