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-scripts.blade.php

@@ -11,7 +11,7 @@
                 <x-modal-input title="New Cloud-Init Script">
                     <x-slot:content>
                         <button type="button"
-                            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">
                             <x-reicon name="plus" class="size-3.5" />
                             New script
                         </button>