elfisa-pharmacy/src/Elfisa.Avalonia/Views/OrdersView.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:vm="using:Elfisa.Avalonia.ViewModels"
             xmlns:conv="using:Avalonia.Data.Converters"
             x:Class="Elfisa.Avalonia.Views.OrdersView"
             x:DataType="vm:OrdersViewModel">

    <Grid Margin="24" RowDefinitions="Auto,*">
        <StackPanel Grid.Row="0" Spacing="2" Margin="0,0,0,14">
            <TextBlock Text="Заказы" Classes="h1"/>
            <TextBlock Text="История заказов и их состав" Classes="muted"/>
        </StackPanel>

        <Grid Grid.Row="1" ColumnDefinitions="*,16,430">

            <!-- Список заказов -->
            <Border Grid.Column="0" Classes="card" Padding="0" ClipToBounds="True">
                <DataGrid ItemsSource="{Binding Orders}" SelectedItem="{Binding SelectedOrder}"
                          x:CompileBindings="False"
                          AutoGenerateColumns="False" IsReadOnly="True" HeadersVisibility="Column"
                          CanUserResizeColumns="True" CanUserSortColumns="False">
                    <DataGrid.Columns>
                        <DataGridTextColumn Header="Дата" Width="112" Binding="{Binding Date}"/>
                        <DataGridTextColumn Header="Номер" Width="140" Binding="{Binding Number}"/>
                        <DataGridTextColumn Header="Поставщик" Width="*" Binding="{Binding Supplier}"/>
                        <DataGridTextColumn Header="Позиций" Width="90" Binding="{Binding ItemsCount}" CellStyleClasses="num"/>
                        <DataGridTextColumn Header="Сумма" Width="132" Binding="{Binding Sum, StringFormat='{}{0:N2}'}" CellStyleClasses="num"/>
                        <DataGridTextColumn Header="Статус" Width="95" Binding="{Binding Status}"/>
                    </DataGrid.Columns>
                </DataGrid>
            </Border>

            <!-- Карточка заказа -->
            <Border Grid.Column="2" Classes="card" Padding="18">
                <DockPanel>
                    <StackPanel DockPanel.Dock="Top" Spacing="4" Margin="0,0,0,14">
                        <TextBlock Text="{Binding SelectedOrder.Number}" Classes="h2"/>
                        <StackPanel Orientation="Horizontal" Spacing="10">
                            <TextBlock Text="{Binding SelectedOrder.Date}" Classes="muted"/>
                            <TextBlock Text="{Binding SelectedOrder.Status}" Classes="muted"/>
                        </StackPanel>
                        <TextBlock Text="{Binding SelectedOrder.Supplier}" Classes="muted" TextWrapping="Wrap"/>
                        <TextBlock Text="{Binding SelectedOrder.Location}" Classes="muted" TextWrapping="Wrap"/>
                    </StackPanel>

                    <StackPanel DockPanel.Dock="Bottom" Spacing="10" Margin="0,12,0,0">
                        <Border Padding="0,10,0,0" BorderThickness="0,1,0,0" BorderBrush="{DynamicResource Border}">
                            <Grid ColumnDefinitions="*,Auto">
                                <TextBlock Grid.Column="0" Text="Итого" FontWeight="SemiBold" Foreground="{DynamicResource Text}"/>
                                <TextBlock Grid.Column="1" Text="{Binding SelectedOrder.Sum, StringFormat='{}{0:N2}'}"
                                           FontWeight="SemiBold" Foreground="{DynamicResource Accent}"/>
                            </Grid>
                        </Border>
                        <!-- Действия для черновика (не отправленного заказа) -->
                        <StackPanel Orientation="Horizontal" Spacing="10" IsVisible="{Binding SelectedOrder.IsDraft, FallbackValue=False}">
                            <Button Classes="primary" Content="Отправить заказ" Command="{Binding SendDraftCommand}" IsEnabled="{Binding !Busy}"/>
                            <Button Content="Удалить" Command="{Binding DeleteDraftCommand}"
                                    Background="Transparent" Foreground="{DynamicResource Muted}"
                                    BorderBrush="{DynamicResource Border}" BorderThickness="1" CornerRadius="8" Padding="16,9" Cursor="Hand"/>
                        </StackPanel>
                    </StackPanel>

                    <DataGrid ItemsSource="{Binding SelectedOrder.Items}" x:CompileBindings="False"
                              AutoGenerateColumns="False" IsReadOnly="True" HeadersVisibility="Column"
                              CanUserResizeColumns="True" CanUserSortColumns="False">
                        <DataGrid.Columns>
                            <DataGridTextColumn Header="Товар" Width="*" Binding="{Binding Name}"/>
                            <DataGridTextColumn Header="Кол-во" Width="78" Binding="{Binding Qty, StringFormat='{}{0:N0}'}" CellStyleClasses="num"/>
                            <DataGridTextColumn Header="Сумма" Width="110" Binding="{Binding Sum, StringFormat='{}{0:N2}'}" CellStyleClasses="num"/>
                        </DataGrid.Columns>
                    </DataGrid>
                </DockPanel>
            </Border>
        </Grid>

        <!-- Статус -->
        <Border Grid.Row="1" VerticalAlignment="Bottom" HorizontalAlignment="Left" Margin="4"
                Padding="10,7" CornerRadius="6" Background="{DynamicResource AccentSoft}"
                IsVisible="{Binding Status, Converter={x:Static conv:ObjectConverters.IsNotNull}}">
            <TextBlock Text="{Binding Status}" Foreground="{DynamicResource AccentPressed}" FontSize="12.5"/>
        </Border>
    </Grid>
</UserControl>