diff --git a/src/gui_2.py b/src/gui_2.py
index 57d98e2..8113765 100644
--- a/src/gui_2.py
+++ b/src/gui_2.py
@@ -4851,27 +4851,26 @@ def hello():
    self.controller.event_queue.put('click', 'btn_rebuild_rag_index')
 
  def _render_external_editor_panel(self) -> None:
-  from src.external_editor import get_default_launcher, create_temp_modified_file
-  import os
-  imgui.text_colored(vec4(0.7, 0.7, 0.7, 1), "External Editor for Diff Viewing")
+  from src.external_editor import get_default_launcher
+  imgui.text("External Editor for Diff Viewing")
   imgui.separator()
   try:
    launcher = get_default_launcher()
    editors = launcher.config.editors
    default_name = launcher.config.default_editor
    if not editors:
-    imgui.text_colored(vec4(1, 0.5, 0, 1), "  No editors configured")
+    imgui.text_colored(C_REQ, "  No editors configured")
     imgui.text("")
-    imgui.text_colored(vec4(0.6, 0.6, 0.6, 1), "Add editors in config.toml:")
-    imgui.text_colored(vec4(0.5, 0.8, 1, 1), '  [tools.text_editors.vscode]')
+    imgui.text("Add editors in config.toml:")
+    imgui.text("  [tools.text_editors.vscode]")
     imgui.text('  path = "C:\\\\path\\\\to\\\\code.exe"')
     imgui.text('  diff_args = ["--diff"]')
     imgui.text("")
-    imgui.text_colored(vec4(0.5, 0.8, 1, 1), '  [tools.text_editors.notepadpp]')
+    imgui.text("  [tools.text_editors.notepadpp]")
     imgui.text('  path = "C:\\\\path\\\\to\\\\notepad++.exe"')
     imgui.text('  diff_args = ["-multiInst", "-nosession"]')
     imgui.text("")
-    imgui.text_colored(vec4(0.6, 0.6, 0.6, 1), "Then set default in [tools.default_editor]")
+    imgui.text("Then set default in [tools.default_editor]")
    else:
     imgui.text("Default Editor:")
     editor_names = sorted(list(editors.keys()))
@@ -4882,9 +4881,6 @@ def hello():
     changed, new_idx = imgui.combo("##editor_combo", current_idx, editor_names)
     if changed:
      self._set_external_editor_default(editor_names[new_idx])
-     launcher = get_default_launcher()
-     editors = launcher.config.editors
-     default_name = launcher.config.default_editor
     imgui.text("")
     imgui.text("Configured Editors:")
     imgui.separator()
@@ -4895,17 +4891,17 @@ def hello():
      is_default = name == default_name
      marker = " (default)" if is_default else ""
      if is_default:
-      imgui.text_colored(vec4(0.3, 0.9, 0.3, 1), f"  {name}{marker}")
+      imgui.text_colored(C_IN, f"  {name}{marker}")
      else:
       imgui.text(f"  {name}{marker}")
      imgui.text(f"    {editor.path}")
      if editor.diff_args:
-      imgui.text_colored(vec4(0.5, 0.5, 0.5, 1), f"    diff: {editor.diff_args}")
+      imgui.textDisabled(f"    diff: {editor.diff_args}")
     imgui.text("")
-    imgui.text_colored(vec4(0.6, 0.6, 0.6, 1), "Config: config.toml [tools.text_editors]")
-    imgui.text_colored(vec4(0.6, 0.6, 0.6, 1), "Override: manual_slop.toml default_editor")
+    imgui.text("Config: config.toml [tools.text_editors]")
+    imgui.text("Override: manual_slop.toml default_editor")
   except Exception as e:
-   imgui.text_colored(vec4(1, 0.3, 0.3, 1), f"Error: {str(e)}")
+   imgui.text_colored(C_TC, f"Error: {str(e)}")
 
  def _render_agent_tools_panel(self) -> None:
   if imgui.collapsing_header("Active Tool Presets & Biases", imgui.TreeNodeFlags_.default_open):