diff --git a/src/App.razor.cs b/src/App.razor.cs
new file mode 100644
index 0000000..032d529
--- /dev/null
+++ b/src/App.razor.cs
@@ -0,0 +1,60 @@
+using System;
+using System.Threading.Tasks;
+using Blazored.LocalStorage;
+using FrontOffice.Main.Utilities;
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Routing;
+
+namespace FrontOffice.Main;
+
+public partial class App
+{
+    private const string TokenStorageKey = "auth:token";
+
+    [Inject] private ILocalStorageService LocalStorage { get; set; } = default!;
+    [Inject] private NavigationManager Navigation { get; set; } = default!;
+
+    private async Task HandleNavigationAsync(NavigationContext context)
+    {
+        var relativePath = Navigation.ToBaseRelativePath(context.Path);
+        if (IsAuthPath(relativePath))
+        {
+            return;
+        }
+
+        var token = await LocalStorage.GetItemAsync<string>(TokenStorageKey);
+        if (string.IsNullOrWhiteSpace(token))
+        {
+            context.PreventNavigation();
+
+            var normalized = NormalizePath(relativePath);
+            var redirectQuery = string.IsNullOrEmpty(normalized) || normalized == "/"
+                ? string.Empty
+                : $"?redirect={Uri.EscapeDataString(normalized)}";
+
+            Navigation.NavigateTo(RouteConstants.Auth.Phone + redirectQuery, forceLoad: true);
+        }
+    }
+
+    private static bool IsAuthPath(string? path)
+    {
+        if (string.IsNullOrWhiteSpace(path))
+        {
+            return false;
+        }
+
+        path = path.TrimStart('/');
+        return path.StartsWith("auth", StringComparison.OrdinalIgnoreCase);
+    }
+
+    private static string NormalizePath(string? path)
+    {
+        if (string.IsNullOrWhiteSpace(path))
+        {
+            return string.Empty;
+        }
+
+        var normalized = path.StartsWith('/') ? path : "/" + path;
+        return normalized;
+    }
+}
diff --git a/src/FrontOffice.Main/App.razor b/src/FrontOffice.Main/App.razor
index d414dad..936967d 100644
--- a/src/FrontOffice.Main/App.razor
+++ b/src/FrontOffice.Main/App.razor
@@ -1,4 +1,7 @@
-<Router AppAssembly="@typeof(App).Assembly">
+@using FrontOffice.Main.Utilities
+
+<Router AppAssembly="@typeof(App).Assembly"
+        OnNavigateAsync="HandleNavigationAsync">
     <Found Context="routeData">
         <RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
     </Found>
diff --git a/src/FrontOffice.Main/App.razor.cs b/src/FrontOffice.Main/App.razor.cs
new file mode 100644
index 0000000..50432ad
--- /dev/null
+++ b/src/FrontOffice.Main/App.razor.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Threading.Tasks;
+using Blazored.LocalStorage;
+using FrontOffice.Main.Utilities;
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Routing;
+
+namespace FrontOffice.Main;
+
+public partial class App
+{
+    private const string TokenStorageKey = "auth:token";
+
+    [Inject] private ILocalStorageService LocalStorage { get; set; } = default!;
+
+    private async Task HandleNavigationAsync(NavigationContext context)
+    {
+        var relativePath = Navigation.ToBaseRelativePath(context.Path);
+        if (IsAuthPath(relativePath))
+        {
+            return;
+        }
+
+        var token = await LocalStorage.GetItemAsync<string>(TokenStorageKey);
+        if (string.IsNullOrWhiteSpace(token))
+        {
+            var normalized = NormalizePath(relativePath);
+            var redirectQuery = string.IsNullOrEmpty(normalized) || normalized == "/"
+                ? string.Empty
+                : $"?redirect={Uri.EscapeDataString(normalized)}";
+
+            Navigation.NavigateTo(RouteConstants.Auth.Phone + redirectQuery, forceLoad: true);
+        }
+    }
+
+    private static bool IsAuthPath(string? path)
+    {
+        if (string.IsNullOrWhiteSpace(path))
+        {
+            return false;
+        }
+
+        path = path.TrimStart('/');
+        return path.StartsWith("auth", StringComparison.OrdinalIgnoreCase);
+    }
+
+    private static string NormalizePath(string? path)
+    {
+        if (string.IsNullOrWhiteSpace(path))
+        {
+            return string.Empty;
+        }
+
+        var normalized = path.StartsWith('/') ? path : "/" + path;
+        return normalized;
+    }
+}
diff --git a/src/FrontOffice.Main/Pages/_Host.cshtml b/src/FrontOffice.Main/Pages/_Host.cshtml
index bca9463..34486e9 100644
--- a/src/FrontOffice.Main/Pages/_Host.cshtml
+++ b/src/FrontOffice.Main/Pages/_Host.cshtml
@@ -1,4 +1,4 @@
-@page "/"
+@page "/"
 @using Microsoft.AspNetCore.Components.Web
 @namespace FrontOffice.Main.Pages
 @addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
@@ -12,26 +12,27 @@
     <link href="css/site.css" rel="stylesheet" />
     <link href="FrontOffice.Main.styles.css" rel="stylesheet" />
     <link rel="icon" type="image/png" href="favicon.png"/>
-    <component type="typeof(HeadOutlet)" render-mode="ServerPrerendered" />
+    <component type="typeof(HeadOutlet)" render-mode="Server" />
 
     <link href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap" rel="stylesheet" />
     <link href="_content/MudBlazor/MudBlazor.min.css" rel="stylesheet" />
 </head>
 <body>
-    <component type="typeof(App)" render-mode="ServerPrerendered" />
+    <component type="typeof(App)" render-mode="Server" />
 
     <div id="blazor-error-ui">
         <environment include="Staging,Production">
-            یک خطا رخ داده است. این برنامه ممکن است تا زمان بارگذاری مجدد پاسخگو نباشد.
+            ?? ??? ?? ???? ???. ??? ?????? ???? ??? ?? ???? ???????? ???? ?????? ?????.
         </environment>
         <environment include="Development">
-            خطای مدیریت‌نشده ای اتفاق افتاده است. برای مشاهده جزئیات، ابزار توسعه (DevTools) مرورگر را بررسی نمایید.
+            ???? ??????????? ?? ????? ?????? ???. ???? ?????? ??????? ????? ????? (DevTools) ?????? ?? ????? ??????.
         </environment>
-        <a href="" class="reload">بارگذاری مجدد</a>
-        <a class="dismiss">🗙</a>
+        <a href="" class="reload">???????? ????</a>
+        <a class="dismiss">??</a>
     </div>
 
     <script src="_framework/blazor.server.js"></script>
     <script src="_content/MudBlazor/MudBlazor.min.js"></script>
 </body>
 </html>
+