finalizare 1.0

frontend/Pages/Errors/NotAuthorizedHandler.razor

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+@inject NavigationManager Navigation
+@layout MainLayout;
+<link href="css/Components/NotAuthorizedHandler.css" rel="stylesheet"/>
+
+<div class="not-authorized-container">
+    <h1>Access Denied</h1>
+    <p>You do not have permission to view this page. This might be due to one of several reasons:</p>
+    <ul>
+        <li>You are not logged in. <a href="/login">Login</a> to continue.</li>
+        <li>You do not have the necessary permissions to access this resource.</li>
+    </ul>
+    <p>If you think this is a mistake, please contact your administrator.</p>
+    <button class="btn btn-primary" @onclick="GoHome">Return to Home Page</button>
+</div>
+
+@code {
+
+    void GoHome()
+    {
+        Navigation.NavigateTo("/", true);
+    }
+
+}

frontend/Pages/Errors/PageNotFoundHandler.razor

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+@inject NavigationManager Navigation
+@layout MainLayout;
+<link href="css/Components/PageNotFoundHandler.css" rel="stylesheet"/>
+
+<div class="page-not-found-container">
+    <h1>Page Not Found</h1>
+    <p>The page you are looking for might have been removed, had its name changed, or is temporarily unavailable.</p>
+    <ul>
+        <li>Check the URL for typos.</li>
+        <li>Return to the <a href="/">Homepage</a>.</li>
+    </ul>
+    <button class="btn btn-primary" @onclick="GoHome">Return to Home Page</button>
+</div>
+
+@code {
+
+    void GoHome()
+    {
+        Navigation.NavigateTo("/", true);
+    }
+
+}