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/security/cloud-init-script-form.blade.php

@@ -4,7 +4,7 @@
         helper="Cloud-config YAML or another script accepted by your provider." required />
     <div class="flex justify-end border-t border-neutral-200 pt-4 dark:border-white/[0.08]">
         <button type="submit"
-            class="button 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 button-highlighted">
             {{ $scriptId ? 'Update script' : 'Create script' }}
         </button>
     </div>