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/components/page-loading.blade.php

@@ -3,7 +3,7 @@
     @if (isset($text))
         <div>{{ $text }}</div>
     @endif
-    <svg class="w-4 h-4 mx-1 ml-3 text-coollabs dark:text-warning animate-spin" xmlns="http://www.w3.org/2000/svg" fill="none"
+    <svg class="loading-indicator w-4 h-4 mx-1 ml-3 animate-spin" xmlns="http://www.w3.org/2000/svg" fill="none"
         viewBox="0 0 24 24">
         <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
         <path class="opacity-75" fill="currentColor"