Formatting, tidy up, transparent auth dialog background.

frontend/src/assets/style.css

@@ -723,6 +723,7 @@ body:has(#auth-iframe) {
   height: 100%;
   z-index: 9999;
   color-scheme: auto;
+  background: transparent;
   backdrop-filter: blur(4px) brightness(0.7);
   -webkit-backdrop-filter: blur(4px) brightness(0.7);
 }

frontend/src/components/RestrictedAuth.vue

@@ -77,7 +77,7 @@ const canAuthenticate = computed(() => {
 
 const headingTitle = computed(() => {
   if (props.mode === 'reauth') {
-    return `🔐 Additional Verification Required`
+    return `🔐 Additional Authentication`
   }
   if (props.mode === 'forbidden' || currentView.value === 'forbidden') return '🚫 Forbidden'
   return `🔐 ${settings.value?.rp_name || location.origin}`