diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index 03bcb08..4d99848 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -2,17 +2,25 @@
   <div class="app-shell">
     <StatusMessage />
     <main class="app-main">
-      <LoginView v-if="store.currentView === 'login'" />
-      <ProfileView v-if="store.currentView === 'profile'" />
-      <DeviceLinkView v-if="store.currentView === 'device-link'" />
-      <ResetView v-if="store.currentView === 'reset'" />
-      <PermissionDeniedView v-if="store.currentView === 'permission-denied'" />
+      <!-- Only render views after authentication status is determined -->
+      <template v-if="initialized">
+        <LoginView v-if="store.currentView === 'login'" />
+        <ProfileView v-if="store.currentView === 'profile'" />
+        <DeviceLinkView v-if="store.currentView === 'device-link'" />
+        <ResetView v-if="store.currentView === 'reset'" />
+        <PermissionDeniedView v-if="store.currentView === 'permission-denied'" />
+      </template>
+      <!-- Show loading state while determining auth status -->
+      <div v-else class="loading-container">
+        <div class="loading-spinner"></div>
+        <p>Loading...</p>
+      </div>
     </main>
   </div>
 </template>
 
 <script setup>
-import { onMounted } from 'vue'
+import { onMounted, ref } from 'vue'
 import { useAuthStore } from '@/stores/auth'
 import StatusMessage from '@/components/StatusMessage.vue'
 import LoginView from '@/components/LoginView.vue'
@@ -22,6 +30,7 @@ import ResetView from '@/components/ResetView.vue'
 import PermissionDeniedView from '@/components/PermissionDeniedView.vue'
 
 const store = useAuthStore()
+const initialized = ref(false)
 
 onMounted(async () => {
   // Detect restricted mode:
@@ -52,10 +61,43 @@ onMounted(async () => {
   }
   try {
     await store.loadUserInfo()
+    initialized.value = true
+    store.selectView()
   } catch (error) {
     console.log('Failed to load user info:', error)
     store.currentView = 'login'
+    initialized.value = true
+    store.selectView()
   }
-  store.selectView()
 })
 </script>
+
+<style scoped>
+.loading-container {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  height: 100vh;
+  gap: 1rem;
+}
+
+.loading-spinner {
+  width: 40px;
+  height: 40px;
+  border: 4px solid var(--color-border);
+  border-top: 4px solid var(--color-primary);
+  border-radius: 50%;
+  animation: spin 1s linear infinite;
+}
+
+@keyframes spin {
+  0% { transform: rotate(0deg); }
+  100% { transform: rotate(360deg); }
+}
+
+.loading-container p {
+  color: var(--color-text-muted);
+  margin: 0;
+}
+</style>
diff --git a/frontend/src/assets/style.css b/frontend/src/assets/style.css
index 775b263..ef6c04b 100644
--- a/frontend/src/assets/style.css
+++ b/frontend/src/assets/style.css
@@ -597,3 +597,49 @@ th {
     top: 1rem;
   }
 }
+
+/* Dialog styles for auth views */
+.dialog-backdrop {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100vw;
+  height: 100vh;
+  background: rgba(0, 0, 0, 0.5);
+  backdrop-filter: blur(4px);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+}
+
+.dialog-container {
+  max-width: 90vw;
+  max-height: 90vh;
+  overflow-y: auto;
+}
+
+.dialog-content {
+  flex: none;
+  width: 100%;
+  max-width: 480px;
+  padding: 2rem;
+  background: var(--color-surface);
+  border-radius: var(--radius-lg);
+  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
+  border: 1px solid var(--color-border);
+}
+
+.dialog-content--wide {
+  max-width: 540px;
+}
+
+.dialog-content--narrow {
+  max-width: 420px;
+}
+
+@media (max-width: 720px) {
+  .dialog-content {
+    padding: 1.5rem;
+  }
+}
diff --git a/frontend/src/components/LoginView.vue b/frontend/src/components/LoginView.vue
index fb990b7..5bde772 100644
--- a/frontend/src/components/LoginView.vue
+++ b/frontend/src/components/LoginView.vue
@@ -1,23 +1,25 @@
 <template>
-  <section class="view-root view-login">
-    <div class="view-content view-content--narrow">
-      <header class="view-header">
-        <h1>🔐 {{ (authStore.settings?.rp_name || 'Passkey') + ' Login' }}</h1>
-        <p class="view-lede">Sign in securely with a device you trust.</p>
-      </header>
-      <section class="section-block">
-        <form class="section-body" @submit.prevent="handleLogin">
-          <button
-            type="submit"
-            class="btn-primary"
-            :disabled="authStore.isLoading"
-          >
-            {{ authStore.isLoading ? 'Authenticating...' : 'Login with Your Device' }}
-          </button>
-        </form>
-      </section>
+  <div class="dialog-backdrop">
+    <div class="dialog-container">
+      <div class="dialog-content dialog-content--narrow">
+        <header class="view-header">
+          <h1>🔐 {{ (authStore.settings?.rp_name || location.origin)}}</h1>
+          <p class="view-lede">User authentication is required for access.</p>
+        </header>
+        <section class="section-block">
+          <form class="section-body" @submit.prevent="handleLogin">
+            <button
+              type="submit"
+              class="btn-primary"
+              :disabled="authStore.isLoading"
+            >
+              {{ authStore.isLoading ? 'Authenticating...' : 'Login with Your Device' }}
+            </button>
+          </form>
+        </section>
+      </div>
     </div>
-  </section>
+  </div>
 </template>
 
 <script setup>
@@ -44,16 +46,12 @@ const handleLogin = async () => {
 </script>
 
 <style scoped>
-.view-content--narrow {
-  max-width: 420px;
-}
-
 .view-lede {
   margin: 0;
   color: var(--color-text-muted);
 }
 
-.view-login .section-body {
+.section-body {
   gap: 1.5rem;
 }
 
diff --git a/frontend/src/components/PermissionDeniedView.vue b/frontend/src/components/PermissionDeniedView.vue
index 34a7202..8d2fdf5 100644
--- a/frontend/src/components/PermissionDeniedView.vue
+++ b/frontend/src/components/PermissionDeniedView.vue
@@ -1,26 +1,28 @@
 <template>
-  <section class="view-root view-denied">
-    <div class="view-content view-content--narrow">
-      <header class="view-header">
-        <h1>🚫 Forbidden</h1>
-      </header>
-      <section class="section-block">
-        <div class="section-body">
-          <div v-if="authStore.userInfo?.authenticated" class="user-header">
-            <span class="user-emoji" aria-hidden="true">{{ userEmoji }}</span>
-            <span class="user-name">{{ displayName }}</span>
+  <div class="dialog-backdrop">
+    <div class="dialog-container">
+      <div class="dialog-content dialog-content--wide">
+        <header class="view-header">
+          <h1>🚫 Forbidden</h1>
+        </header>
+        <section class="section-block">
+          <div class="section-body">
+            <div v-if="authStore.userInfo?.authenticated" class="user-header">
+              <span class="user-emoji" aria-hidden="true">{{ userEmoji }}</span>
+              <span class="user-name">{{ displayName }}</span>
+            </div>
+            <p>You lack the permissions required for this page.</p>
+            <div class="button-row">
+              <button class="btn-secondary" @click="back">Back</button>
+              <button class="btn-primary" @click="goAuth">Account</button>
+              <button class="btn-danger" @click="logout">Logout</button>
+            </div>
+            <p class="hint">If you believe this is an error, contact your administrator.</p>
           </div>
-          <p>You lack the permissions required for this page.</p>
-          <div class="button-row">
-            <button class="btn-secondary" @click="back">Back</button>
-            <button class="btn-primary" @click="goAuth">Account</button>
-            <button class="btn-danger" @click="logout">Logout</button>
-          </div>
-          <p class="hint">If you believe this is an error, contact your administrator.</p>
-        </div>
-      </section>
+        </section>
+      </div>
     </div>
-  </section>
+  </div>
 </template>
 <script setup>
 import { useAuthStore } from '@/stores/auth'
@@ -42,10 +44,6 @@ async function logout() {
 }
 </script>
 <style scoped>
-.view-content--narrow {
-  max-width: 540px;
-}
-
 .view-lede {
   margin: 0;
   color: var(--color-text-muted);
diff --git a/frontend/src/components/ResetView.vue b/frontend/src/components/ResetView.vue
index 6c129b5..a2bfbf8 100644
--- a/frontend/src/components/ResetView.vue
+++ b/frontend/src/components/ResetView.vue
@@ -1,37 +1,39 @@
 <template>
-  <section class="view-root view-reset">
-    <div class="view-content view-content--narrow">
-      <header class="view-header">
-        <h1>🔑 Add New Credential</h1>
-        <p class="view-lede">
-          Finish setting up your passkey to complete {{ authStore.userInfo?.session_type }}.
-        </p>
-      </header>
-      <section class="section-block">
-        <div class="section-body">
-          <label class="name-edit">
-            <span>👤 Name</span>
-            <input
-              type="text"
-              v-model="user_name"
-              :placeholder="authStore.userInfo?.user?.user_name || 'Your name'"
+  <div class="dialog-backdrop">
+    <div class="dialog-container">
+      <div class="dialog-content">
+        <header class="view-header">
+          <h1>🔑 Add New Credential</h1>
+          <p class="view-lede">
+            Finish setting up your passkey to complete {{ authStore.userInfo?.session_type }}.
+          </p>
+        </header>
+        <section class="section-block">
+          <div class="section-body">
+            <label class="name-edit">
+              <span>👤 Name</span>
+              <input
+                type="text"
+                v-model="user_name"
+                :placeholder="authStore.userInfo?.user?.user_name || 'Your name'"
+                :disabled="authStore.isLoading"
+                maxlength="64"
+                @keyup.enter="register"
+              />
+            </label>
+            <p>Proceed to complete {{ authStore.userInfo?.session_type }}:</p>
+            <button
+              class="btn-primary"
               :disabled="authStore.isLoading"
-              maxlength="64"
-              @keyup.enter="register"
-            />
-          </label>
-          <p>Proceed to complete {{ authStore.userInfo?.session_type }}:</p>
-          <button
-            class="btn-primary"
-            :disabled="authStore.isLoading"
-            @click="register"
-          >
-            {{ authStore.isLoading ? 'Registering…' : 'Register Passkey' }}
-          </button>
-        </div>
-      </section>
+              @click="register"
+            >
+              {{ authStore.isLoading ? 'Registering…' : 'Register Passkey' }}
+            </button>
+          </div>
+        </section>
+      </div>
     </div>
-  </section>
+  </div>
 </template>
 
 <script setup>
@@ -63,10 +65,6 @@ async function register() {
 </script>
 
 <style scoped>
-.view-content--narrow {
-  max-width: 480px;
-}
-
 .view-lede {
   margin: 0;
   color: var(--color-text-muted);