Update left side bar content

ui.py

@@ -52,22 +52,31 @@ def render_chart(fig, tab, pdf_path, svg_path, pdf_name, svg_name, pdf_key, svg_
 
 def render_categories_sidebar(currFile, categorySelections, all_speakers_display,
                                raw_to_display):
-    """Render category multiselects, remove buttons, and Add category input."""
+    """Render category multiselects, remove buttons, and Add role input."""
+    st.sidebar.markdown(
+        "<p style='font-size:0.85rem; color:gray; margin-bottom:2px;'>"
+        "Create roles (instructor, students, etc.) and add speakers.</p>",
+        unsafe_allow_html=True,
+    )
     for i, category in enumerate(st.session_state.categories):
         ms_key       = f"multiselect_{category}"
         speakerSet   = categorySelections[i]
         default_disp = [raw_to_display.get(sp, sp) for sp in speakerSet]
         if ms_key not in st.session_state:
             st.session_state[ms_key] = default_disp
+        label_col, trash_col = st.sidebar.columns([5, 1])
+        label_col.markdown(f"**{category}**")
+        trash_col.button(
+            "🗑️", key=f"remove_{category}",
+            on_click=removeCategory, args=(i,),
+            help=f"Remove {category}",
+        )
         st.sidebar.multiselect(
             category, all_speakers_display,
             key=ms_key, on_change=updateCategoryOptions, args=(currFile,),
+            label_visibility="collapsed",
         )
-        st.sidebar.button(
-            f"Remove {category}", key=f"remove_{category}",
-            on_click=removeCategory, args=(i,),
-        )
-    st.sidebar.text_input("Add Category", key="categoryInput", on_change=addCategory)
+    st.sidebar.text_input("Add role", key="categoryInput", on_change=addCategory)
 
 
 # ---------------------------------------------------------------------------
@@ -75,13 +84,13 @@ def render_categories_sidebar(currFile, categorySelections, all_speakers_display
 # ---------------------------------------------------------------------------
 
 def render_rename_sidebar(currFile, speakerNames, all_speaker_tokens):
-    """Render the full Rename Speakers sidebar section."""
+    """Render the full Rename Multiple Speakers sidebar section."""
     st.sidebar.divider()
-    st.sidebar.subheader("Rename Speakers")
+    st.sidebar.subheader("Rename Multiple Speakers")
     st.sidebar.markdown(
         "<p style='font-size:0.85rem; color:gray; margin-bottom:2px;'>"
-        "Assign a name and select which speaker labels (across all files) it applies to. "
-        "Changes apply to all matched speakers instantly.</p>",
+        "This option works best for renaming multiple speakers across multiple files. "
+        "For a simple rename for a single file, use the Rename Speaker tab in the center.</p>",
         unsafe_allow_html=True,
     )
 
@@ -97,16 +106,18 @@ def render_rename_sidebar(currFile, speakerNames, all_speaker_tokens):
         grkey = _global_rename_key(idx)
         if grkey not in st.session_state:
             st.session_state[grkey] = list(entry["speakers"])
-        st.sidebar.markdown(f"**{entry['name']}**")
+        label_col, trash_col = st.sidebar.columns([5, 1])
+        label_col.markdown(f"**{entry['name']}**")
+        trash_col.button(
+            "🗑️", key=f"remove_grename_{idx}",
+            on_click=removeGlobalRename, args=(idx,),
+            help=f"Remove '{entry['name']}'",
+        )
         st.sidebar.multiselect(
             f"Speakers for {entry['name']}", options=all_speaker_tokens,
             key=grkey, on_change=_on_grename_change, args=(idx,),
             label_visibility="collapsed",
         )
-        st.sidebar.button(
-            f"Remove '{entry['name']}'", key=f"remove_grename_{idx}",
-            on_click=removeGlobalRename, args=(idx,),
-        )
 
     st.sidebar.text_input(
         "Add rename", placeholder="e.g. John",