Update guest v2 branding and theming

resources/js/guest-v2/components/BottomDock.tsx

@@ -7,15 +7,14 @@ import { Home, Image, Share2 } from 'lucide-react';
 import { useEventData } from '../context/EventDataContext';
 import { buildEventPath } from '../lib/routes';
 import { useTranslation } from '@/guest/i18n/useTranslation';
-import { useAppearance } from '@/hooks/use-appearance';
+import { useGuestThemeVariant } from '../lib/guestTheme';
 
 export default function BottomDock() {
   const location = useLocation();
   const navigate = useNavigate();
   const { token } = useEventData();
   const { t } = useTranslation();
-  const { resolved } = useAppearance();
-  const isDark = resolved === 'dark';
+  const { isDark } = useGuestThemeVariant();
 
   const dockItems = [
     { key: 'home', label: t('navigation.home', 'Home'), path: '/', icon: Home },