Apply color logic to multi-file and update sort system

ui.py

@@ -402,8 +402,22 @@ def render_multifile_summary(plotly_config=None):
             )
             df7, _ = utils.build_multifile_voice_df(validNames, st.session_state.summaries)
 
+            # Build consistent color maps using the same _PALETTE as per-file charts
+            # Voice category colors — always fixed
+            voice_color_map = {
+                "Single Voice": utils._PALETTE[0],   # red shade 0
+                "Multi Voice":  utils._PALETTE[9],   # green shade 0
+                "No Voice":     utils._PALETTE[-1],  # grey
+            }
+            # Role/speaker colors — cycle through _SPEAKER_PALETTE by position
+            role_color_map = {
+                col: utils._SPEAKER_PALETTE[i % len(utils._SPEAKER_PALETTE)]
+                for i, col in enumerate(allCategories)
+            }
+
             fig6 = px.bar(df6, x="files", y=allCategories,
-                           title="Percent of File Duration Spoken by Each Speaker/Role")
+                           title="Percent of File Duration Spoken by Each Speaker/Role",
+                           color_discrete_map=role_color_map)
             fig6.update_layout(yaxis_title="% of File Duration")
             st.plotly_chart(fig6, use_container_width=True, config=cfg)
             st.markdown(
@@ -415,20 +429,20 @@ def render_multifile_summary(plotly_config=None):
 
             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),
+                    "File Name":          ("files", True),
+                    "% of Single Voice":  ("Single 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]
+                sort_col, ascending = sort_options[selected_sort]
                 fig7 = px.bar(
-                    df7.sort_values(by=sort_cols, ascending=ascending),
+                    df7.sort_values(by=sort_col, ascending=ascending),
                     x="files", y=["Single Voice", "Multi Voice", "No Voice"],
                     title=f"Cross-file Voice Categories sorted by {selected_sort}",
+                    color_discrete_map=voice_color_map,
                 )
                 fig7.update_layout(yaxis_title="% of File Duration")
                 st.plotly_chart(fig7, use_container_width=True, config=cfg)
@@ -441,23 +455,30 @@ def render_multifile_summary(plotly_config=None):
                 st.session_state.categories, st.session_state.categorySelect,
                 speakerRenames=st.session_state.speakerRenames,
             )
+            # Combined map: roles use role colors, voice categories use fixed colors
+            role_voice_color_map = {
+                col: utils._SPEAKER_PALETTE[i % len(utils._SPEAKER_PALETTE)]
+                for i, col in enumerate(role_voice_cols)
+                if col not in voice_color_map
+            }
+            role_voice_color_map.update(voice_color_map)
+
             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)
+                role_sort_options = {
+                    "File Name":         ("files", True),
+                    "% of Single Voice": ("Single Voice", False),
+                }
 
                 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]
+                sort_col8, ascending8 = role_sort_options[selected_role_sort]
                 fig8 = px.bar(
-                    df8.sort_values(by=sort_cols8, ascending=ascending8),
+                    df8.sort_values(by=sort_col8, ascending=ascending8),
                     x="files", y=role_voice_cols,
+                    color_discrete_map=role_voice_color_map,
                     title=f"Cross-file Role & Voice Breakdown sorted by {selected_role_sort}",
                 )
                 fig8.update_layout(yaxis_title="% of File Duration")