feat(ui): unify brand accents and polish shared controls

Standardize highlighted buttons, selected controls, and loading
indicators on coollabs accent colors; improve light-mode log toolbar
styling; enhance small popups with compact/icon modes; and align
navbars, helpers, and related layouts with matching tests.

resources/views/livewire/project/application/backup/create.blade.php

@@ -16,7 +16,7 @@
 
         <div class="mt-2 flex justify-end border-t border-neutral-200 pt-4 dark:border-white/[0.08]">
             <x-forms.button type="submit"
-                class="bg-coollabs/10! text-coollabs! ring-1 ring-coollabs/25 hover:bg-coollabs/15! dark:bg-warning/15! dark:text-warning! dark:ring-warning/25 dark:hover:bg-warning/20!">
+                class="button-highlighted">
                 Create schedule
             </x-forms.button>
         </div>