Lots of style improvements. Dark mode is mostly useable now. Work on reports.

src/lib/e_app_debug_menu.svelte

@@ -198,17 +198,19 @@ hover:opacity-100 -->
         id="AE-Quick-Debug"
         class="
             btn btn-icon
-            preset-tonal-surface border-sm border-surface-500
+            text-xs
+            preset-filled-surface-50-950 preset-outlined-surface-100-900
             hover:preset-tonal-warning
             transition-all
             fixed bottom-2 left-2
-            text-gray-400 hover:text-gray-800
+            text-neutral-300 hover:text-neutral-800
+            dark:text-neutral-700 dark:hover:text-neutral-200
             "
         title="Turn debug content and styles off and on"
         >
         <!-- absolute bottom-2 left-2 -->
         <!-- fixed bottom-0 left-0 -->
-        π
+        &pi;
     </button>
 
 </section>