MobileAPP/MainPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="MobileApp.MainPage">

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="100"/>
            <RowDefinition Height="450"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <StackLayout>
            <Label
             Text="Привет!" TextColor="Black" FontSize="32" HorizontalOptions="Center"/>
            <Label
             Text="Заполните Свои Данные Или" TextColor="#707B81" FontSize="16" HorizontalOptions="Center"/>
            <Label Text="Продолжите Через Социальные Медиа" FontSize="16" TextColor="#707B81" HorizontalOptions="Center"/>
        </StackLayout>

        <StackLayout Grid.Row="1">
            <Label Text="Email" Margin="20" FontSize="16"/>
            <Frame CornerRadius="30" BackgroundColor="#F7F7F9" Padding="5" BorderColor="Transparent">
                <Entry Placeholder="xyz@gmail.com" Background="Transparent" HorizontalOptions="FillAndExpand" VerticalOptions="CenterAndExpand" TextColor="Black" />
            </Frame>

            <Label Text="Пароль" Margin="20" FontSize="16"/>
            <Frame CornerRadius="30" BackgroundColor="#F7F7F9" Padding="5" BorderColor="Transparent">
                <Entry Placeholder="********" Background="Transparent" HorizontalOptions="FillAndExpand" VerticalOptions="CenterAndExpand" TextColor="Black" />
            </Frame>

            <Button Text="Восстановить" Background="Transparent" TextColor="#D8D8D8" HorizontalOptions="End"/>
            <Button Text="Войти" Background="#48B2E7" Margin="10"/>
        </StackLayout>

        <HorizontalStackLayout Grid.Row="2" VerticalOptions="Center" HorizontalOptions="Center">
            <Label Text="Вы впервые?" TextColor="#707B81" Margin="5" FontSize="12"/>
            <Button Background="Transparent" Text="Создать ползователя" TextColor="Black" Margin="-10" FontSize="12"/>
        </HorizontalStackLayout>
    </Grid>

</ContentPage>