diff --git a/src/app/bootstrap.js b/src/app/bootstrap.js
index 2e9852d..d034f68 100644
--- a/src/app/bootstrap.js
+++ b/src/app/bootstrap.js
@@ -6,6 +6,7 @@ import { APP_NAME } from './config.js';
 import { createRouter, navigate } from './router.js';
 import { createAppStore } from './store.js';
 import { appShell } from '../components/app-shell.js';
+import { navBar } from '../components/nav-bar.js';
 import { registerFeatureData } from '../features/register.js';
 
 async function installServiceWorker() {
@@ -23,6 +24,20 @@ export function bootstrapApp() {
   const appRoot = document.querySelector('#app');
   appRoot.innerHTML = appShell(APP_NAME);
   Alpine.initTree(appRoot);
+  const navRoot = document.querySelector('#app-nav');
+
+  function renderNav() {
+    if (!navRoot) {
+      return;
+    }
+
+    if (typeof Alpine.destroyTree === 'function') {
+      Alpine.destroyTree(navRoot);
+    }
+
+    navRoot.innerHTML = navBar(APP_NAME);
+    Alpine.initTree(navRoot);
+  }
 
   const router = createRouter({
     Alpine,
@@ -35,6 +50,7 @@ export function bootstrapApp() {
     if (!store.activeKitchen && kitchens.length) {
       store.setActiveKitchen(kitchens[0]);
     }
+    renderNav();
     return kitchens;
   }
 
@@ -51,7 +67,9 @@ export function bootstrapApp() {
         } else if (store.isConnected) {
           await window.__loncApp.refreshKitchens();
         }
+        renderNav();
       } catch (error) {
+        renderNav();
         if (window.location.hash !== '#/login') {
           navigate('/login');
         }
@@ -64,10 +82,12 @@ export function bootstrapApp() {
       } else if (store.isConnected) {
         await window.__loncApp.refreshKitchens();
       }
+      renderNav();
       return result;
     },
     async logout() {
       await logout(store);
+      renderNav();
       navigate('/login');
     },
     router,
@@ -89,6 +109,8 @@ export function bootstrapApp() {
     .finally(() => router.start())
     .catch(() => router.start());
 
+  renderNav();
+
   installServiceWorker().catch(() => {
     store.addAlert({
       type: 'warning',
diff --git a/src/components/app-shell.js b/src/components/app-shell.js
index 916a143..e20218c 100644
--- a/src/components/app-shell.js
+++ b/src/components/app-shell.js
@@ -3,7 +3,9 @@ import { navBar } from './nav-bar.js';
 export function appShell(appName) {
   return `
     <div class="app-shell d-flex flex-column min-vh-100">
-      ${navBar(appName)}
+      <div id="app-nav">
+        ${navBar(appName)}
+      </div>
       <main id="route-view" class="flex-grow-1"></main>
       <div class="toast-stack" x-data="alertsData()">
         <template x-for="alert in alerts" :key="alert.id">
diff --git a/src/components/nav-bar.js b/src/components/nav-bar.js
index 3873185..1103535 100644
--- a/src/components/nav-bar.js
+++ b/src/components/nav-bar.js
@@ -1,6 +1,6 @@
 export function navBar(appName) {
   return `
-    <nav class="navbar navbar-expand-lg bg-white border-bottom sticky-top shadow-sm">
+    <nav class="navbar navbar-expand-lg bg-white border-bottom sticky-top shadow-sm" x-data>
       <div class="container-xxl">
         <a class="navbar-brand d-flex align-items-center gap-2 fw-semibold" href="#/">
           <span class="brand-mark">L</span>
@@ -11,19 +11,25 @@ export function navBar(appName) {
         </button>
         <div id="main-nav" class="collapse navbar-collapse">
           <ul class="navbar-nav me-auto mb-2 mb-lg-0">
-            <li class="nav-item"><a class="nav-link" href="#/">Dashboard</a></li>
-            <li class="nav-item"><a class="nav-link" href="#/labels/new">New Label</a></li>
-            <li class="nav-item"><a class="nav-link" href="#/stock">Stock</a></li>
+            <li class="nav-item" x-show="$store.app.session?.state === 'connected'">
+              <a class="nav-link" href="#/">Dashboard</a>
+            </li>
+            <li class="nav-item" x-show="$store.app.session?.state === 'connected'">
+              <a class="nav-link" href="#/labels/new">New Label</a>
+            </li>
+            <li class="nav-item" x-show="$store.app.session?.state === 'connected'">
+              <a class="nav-link" href="#/stock">Stock</a>
+            </li>
             <li class="nav-item"><a class="nav-link" href="#/settings">Settings</a></li>
           </ul>
-          <div class="d-flex flex-column flex-lg-row align-items-lg-center gap-2" x-data>
-            <template x-if="$store.app.activeKitchen">
+          <div class="d-flex flex-column flex-lg-row align-items-lg-center gap-2">
+            <template x-if="$store.app.session?.state === 'connected' && $store.app.activeKitchen">
               <div class="small text-body-secondary">
                 Kitchen:
                 <span class="fw-semibold text-body" x-text="$store.app.activeKitchen?.name"></span>
               </div>
             </template>
-            <template x-if="$store.app.isAuthenticated">
+            <template x-if="$store.app.session?.applicationKey">
               <button class="btn btn-outline-secondary btn-sm" @click="window.__loncApp.logout()">Logout</button>
             </template>
           </div>
diff --git a/src/features/auth/login-page.js b/src/features/auth/login-page.js
index b667e43..23614ac 100644
--- a/src/features/auth/login-page.js
+++ b/src/features/auth/login-page.js
@@ -173,8 +173,9 @@ export function loginPageData(store) {
           return;
         }
         const status = error?.cause?.status || error?.status;
+        const isPendingValidation = !store.session?.hasValidated;
         this.verifyState.error =
-          status === 403
+          status === 403 || isPendingValidation
             ? 'Failed to verify connection. Please verify the application key in Tryton first.'
             : (error?.message || this.verifyState.error || 'Failed to verify connection.');
       });
diff --git a/src/features/auth/settings-page.js b/src/features/auth/settings-page.js
index 5fd2fa0..00664c8 100644
--- a/src/features/auth/settings-page.js
+++ b/src/features/auth/settings-page.js
@@ -27,6 +27,17 @@ export function renderSettingsPage() {
                   <label class="form-label">Database name</label>
                   <input class="form-control" type="text" x-model="form.database" required />
                 </div>
+                <div>
+                  <label class="form-label">User login</label>
+                  <input class="form-control" type="text" :value="userLogin" readonly />
+                </div>
+                <div>
+                  <label class="form-label">Application key</label>
+                  <input class="form-control font-monospace" type="text" :value="maskedApplicationKey" readonly />
+                  <div class="form-text">
+                    Only the first 16 characters are shown for identification.
+                  </div>
+                </div>
                 <button class="btn btn-primary align-self-start" type="submit">Save settings</button>
               </form>
             </div>
@@ -57,6 +68,13 @@ export function settingsPageData(store) {
       baseUrl: store.config.baseUrl || '',
       database: store.config.database || '',
     },
+    get userLogin() {
+      return store.session?.userLogin || '';
+    },
+    get maskedApplicationKey() {
+      const key = store.session?.applicationKey || '';
+      return key ? `${key.slice(0, 16)}...` : '';
+    },
     save() {
       store.setConfig({
         baseUrl: this.form.baseUrl.trim(),