MainWindow.xaml

<Window x:Class="Miiverse_PC.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:controls="using:Microsoft.UI.Xaml.Controls">

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="*" />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="*" />
            <ColumnDefinition Width="Auto" />
        </Grid.ColumnDefinitions>

        <Grid Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="5" Margin="8" HorizontalAlignment="Stretch">
            <Grid.RowDefinitions>
                <RowDefinition Height="*" />
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
            </Grid.ColumnDefinitions>

            <TextBlock x:Name="loginStatus" Grid.Column="0" VerticalAlignment="Center" FontSize="16" FontWeight="Bold">
                Not logged in
            </TextBlock>
            <TextBox x:Name="username" Grid.Column="1" Margin="4" KeyDown="MoveToPasswordOnEnter" PlaceholderText="Enter PNID username" />
            <PasswordBox x:Name="password" Grid.Column="2" Margin="4" KeyDown="LoginOnEnter" PlaceholderText="Enter PNID password" />

            <Button x:Name="loginButton" Grid.Column="3" Margin="4" Click="LoginAsync">
                Log in
            </Button>
            <CheckBox x:Name="saveLoginInfo" Grid.Column="4" Margin="4">
                Save login
            </CheckBox>
            <Button x:Name="downloadButton" Grid.Column="5" Margin="4" Click="DownloadUserProfileDataAsync"
                    ToolTipService.ToolTip="Download user profile data as XML">
                <SymbolIcon Symbol="Download" />
            </Button>
            <Button x:Name="settingsButton" Grid.Column="6" Click="OpenSettingsDialogAsync" ToolTipService.ToolTip="Open settings">
                <SymbolIcon Symbol="Setting" />
            </Button>
        </Grid>

        <Button x:Name="backButton" Grid.Row="1" Grid.Column="0" Click="GoBack" IsEnabled="false">
            Back
        </Button>
        <Button x:Name="forwardButton" Grid.Row="1" Grid.Column="1" Click="GoForward" IsEnabled="false">
            Forward
        </Button>
        <Button x:Name="reloadButton" Grid.Row="1" Grid.Column="2" Click="ReloadOrStop">
            Reload
        </Button>
        <TextBox x:Name="addressBar" Grid.Row="1" Grid.Column="3" IsReadOnly="True" />

        <controls:WebView2 x:Name="webView" Grid.Row="2" Grid.ColumnSpan="5" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"
                           Loaded="SetupWebViewHandlersAsync" Source="https://portal.olv.pretendo.cc" />

        <StackPanel Grid.Row="3" Grid.Column="0" Grid.ColumnSpan="5" Orientation="Horizontal">
            <Button x:Name="uploadImageButton" Click="UploadImage">
                <StackPanel Orientation="Horizontal">
                    <SymbolIcon Margin="0,0,8,0" Symbol="Share" />
                    <TextBlock Text="Select image to upload" />
                </StackPanel>
            </Button>
            <Button x:Name="userPage" Click="NavigateToPage" Content="Go to User Page" />
            <Button x:Name="userMenuPage" Click="NavigateToPage" Content="Go to User Menu" />
            <Button x:Name="activityFeedPage" Click="NavigateToPage" Content="Go to Activity Feed" />
            <Button x:Name="communitiesPage" Click="NavigateToPage" Content="Go to Communities" />
            <Button x:Name="messagesPage" Click="NavigateToPage" Content="Go to Messages" />
            <Button x:Name="notificationsPage" Click="NavigateToPage" Content="Go to Notifications" />
        </StackPanel>
    </Grid>
</Window>