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.

tests/Feature/LivewireLoadingColorTest.php

@@ -0,0 +1,22 @@
+<?php
+
+test('livewire loading indicators use the shared coollabs purple', function () {
+    $utilities = file_get_contents(resource_path('css/utilities.css'));
+    $loading = file_get_contents(resource_path('views/components/loading.blade.php'));
+    $pageLoading = file_get_contents(resource_path('views/components/page-loading.blade.php'));
+    $views = collect(new RecursiveIteratorIterator(new RecursiveDirectoryIterator(resource_path('views'))))
+        ->filter(fn (SplFileInfo $file): bool => $file->isFile() && $file->getExtension() === 'php')
+        ->map(fn (SplFileInfo $file): string => file_get_contents($file->getPathname()))
+        ->implode("\n");
+
+    expect($utilities)
+        ->toContain('@utility loading-indicator')
+        ->toContain('@apply text-coollabs dark:text-coollabs-100;')
+        ->and($loading)->toContain('loading-indicator')
+        ->and($pageLoading)->toContain('loading-indicator')
+        ->and($views)->not->toMatch('/animate-spin[^"\n]*dark:text-warning|dark:text-warning[^"\n]*animate-spin/');
+});
+
+test('livewire navigation progress bar uses coollabs purple', function () {
+    expect(config('livewire.navigate.progress_bar_color'))->toBe('#6b16ed');
+});