diff --git a/js/components/pages/page-settings.js b/js/components/pages/page-settings.js
index 5c075da..06734c8 100644
--- a/js/components/pages/page-settings.js
+++ b/js/components/pages/page-settings.js
@@ -92,7 +92,7 @@ class PageSettings extends HTMLElement {
             const eyeOffIcon = this.querySelector('#toggle-uid-btn .icon-eye-off')
             if (display) {
                 display.textContent = this.uidVisible
-                    ? this.user?.id
+                    ? auth.getStoredUuid()
                     : '••••••••-••••-••••-••••-••••••••••••'
             }
             if (eyeIcon) eyeIcon.style.display = this.uidVisible ? 'none' : 'block'
@@ -101,8 +101,9 @@ class PageSettings extends HTMLElement {
 
         // Copy UUID
         this.querySelector('#copy-uid-btn')?.addEventListener('click', async () => {
-            if (this.user?.id) {
-                await navigator.clipboard.writeText(this.user.id)
+            const uuid = auth.getStoredUuid()
+            if (uuid) {
+                await navigator.clipboard.writeText(uuid)
                 this.showToast(t('auth.copy') + ' ✓')
             }
         })
@@ -225,8 +226,11 @@ class PageSettings extends HTMLElement {
                         <h2>${t('settings.account')}</h2>
                         
                         ${this.isLoggedIn ? /* html */`
-                            <div class="setting-item">
-                                <label>${t('settings.userId')}</label>
+                            <div class="setting-item setting-item-column">
+                                <div>
+                                    <label>${t('settings.userId')}</label>
+                                    <p class="setting-hint">${t('settings.userIdHint')}</p>
+                                </div>
                                 <div class="user-id-row">
                                     <code class="user-id" id="user-id-display">${'•'.repeat(8)}-••••-••••-••••-${'•'.repeat(12)}</code>
                                     <div class="user-id-actions">
@@ -351,6 +355,11 @@ style.textContent = /* css */`
         padding: var(--space-sm) 0;
     }
 
+    page-settings .setting-item-column {
+        flex-direction: column;
+        align-items: stretch;
+    }
+
     page-settings .setting-item + .setting-item {
         border-top: 1px solid var(--color-border);
         margin-top: var(--space-sm);
diff --git a/locales/de.json b/locales/de.json
index 5097b32..2e7dd25 100644
--- a/locales/de.json
+++ b/locales/de.json
@@ -259,6 +259,7 @@
     "language": "Sprache",
     "account": "Konto",
     "userId": "Benutzer-ID",
+    "userIdHint": "Wird nicht auf dem Server gespeichert. Nur du kennst diese ID.",
     "logout": "Abmelden",
     "login": "Anmelden",
     "notLoggedIn": "Du bist nicht angemeldet.",
diff --git a/locales/en.json b/locales/en.json
index b22c986..a22c774 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -259,6 +259,7 @@
     "language": "Language",
     "account": "Account",
     "userId": "User ID",
+    "userIdHint": "Not stored on the server. Only you know this ID.",
     "logout": "Logout",
     "login": "Login",
     "notLoggedIn": "You are not logged in.",
diff --git a/locales/es.json b/locales/es.json
index 842eb10..de4f31c 100644
--- a/locales/es.json
+++ b/locales/es.json
@@ -259,6 +259,7 @@
     "language": "Idioma",
     "account": "Cuenta",
     "userId": "ID de usuario",
+    "userIdHint": "No se almacena en el servidor. Solo tú conoces este ID.",
     "logout": "Cerrar sesión",
     "login": "Iniciar sesión",
     "notLoggedIn": "No has iniciado sesión.",
diff --git a/locales/fr.json b/locales/fr.json
index a8a17d2..46bf54d 100644
--- a/locales/fr.json
+++ b/locales/fr.json
@@ -259,6 +259,7 @@
     "language": "Langue",
     "account": "Compte",
     "userId": "ID utilisateur",
+    "userIdHint": "Non enregistré sur le serveur. Vous seul connaissez cet identifiant.",
     "logout": "Déconnexion",
     "login": "Connexion",
     "notLoggedIn": "Vous n'êtes pas connecté.",
diff --git a/locales/it.json b/locales/it.json
index e74a757..07bb6a3 100644
--- a/locales/it.json
+++ b/locales/it.json
@@ -259,6 +259,7 @@
     "language": "Lingua",
     "account": "Account",
     "userId": "ID utente",
+    "userIdHint": "Non memorizzato sul server. Solo tu conosci questo ID.",
     "logout": "Esci",
     "login": "Accedi",
     "notLoggedIn": "Non hai effettuato l'accesso.",
diff --git a/locales/pt.json b/locales/pt.json
index 56ab85c..0cc0c45 100644
--- a/locales/pt.json
+++ b/locales/pt.json
@@ -259,6 +259,7 @@
     "language": "Idioma",
     "account": "Conta",
     "userId": "ID do Usuário",
+    "userIdHint": "Não armazenado no servidor. Apenas você conhece este ID.",
     "logout": "Sair",
     "login": "Entrar",
     "notLoggedIn": "Você não está logado.",
diff --git a/locales/ru.json b/locales/ru.json
index 3a070de..927dd4a 100644
--- a/locales/ru.json
+++ b/locales/ru.json
@@ -259,6 +259,7 @@
     "language": "Язык",
     "account": "Аккаунт",
     "userId": "ID пользователя",
+    "userIdHint": "Не хранится на сервере. Только вы знаете этот ID.",
     "logout": "Выйти",
     "login": "Войти",
     "notLoggedIn": "Вы не вошли в аккаунт.",