client/Views/MainWindow.xaml

<Window x:Class="CloudPrint.Client.Views.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:views="clr-namespace:CloudPrint.Client.Views"
        Title="云印享打印客户端"
        Width="1200"
        Height="760"
        MinWidth="980"
        MinHeight="620"
        WindowStartupLocation="CenterScreen">
    <Grid Margin="20">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="*" />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>

        <Border Grid.Row="0" Background="#2563EB" CornerRadius="18" Padding="24" Margin="0,0,0,16">
            <Grid>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*" />
                    <ColumnDefinition Width="Auto" />
                </Grid.ColumnDefinitions>
                <StackPanel>
                    <TextBlock Text="云印享 Windows 打印客户端" FontSize="26" FontWeight="Bold" Foreground="White" />
                    <TextBlock Text="gRPC 订阅打印任务 · Windows 打印机管理 · 文件预处理（最小运行版）"
                               Margin="0,8,0,0" Foreground="#DBEAFE" FontSize="14" />
                </StackPanel>
                <Border Grid.Column="1" Background="#1D4ED8" CornerRadius="12" Padding="14,8" VerticalAlignment="Center">
                    <TextBlock Text="{Binding ConnectionStatus}" Foreground="White" FontWeight="SemiBold" />
                </Border>
            </Grid>
        </Border>

        <Border Grid.Row="1" Background="White" CornerRadius="14" Padding="18" Margin="0,0,0,16">
            <Grid>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="1.15*" />
                    <ColumnDefinition Width="1.05*" />
                    <ColumnDefinition Width="1.05*" />
                    <ColumnDefinition Width="1.25*" />
                    <ColumnDefinition Width="Auto" />
                </Grid.ColumnDefinitions>
                <StackPanel Grid.Column="0" Margin="0,0,14,0">
                    <TextBlock Text="gRPC 服务器地址" Foreground="#475569" Margin="0,0,0,6" />
                    <TextBox Text="{Binding Settings.ServerAddress, UpdateSourceTrigger=PropertyChanged}" />
                </StackPanel>
                <StackPanel Grid.Column="1" Margin="0,0,14,0">
                    <TextBlock Text="打印客户端 API Key" Foreground="#475569" Margin="0,0,0,6" />
                    <TextBox Text="{Binding Settings.ApiKey, UpdateSourceTrigger=PropertyChanged}" />
                </StackPanel>
                <StackPanel Grid.Column="2" Margin="0,0,14,0">
                    <TextBlock Text="门店名称" Foreground="#475569" Margin="0,0,0,6" />
                    <TextBox Text="{Binding Settings.StoreName, UpdateSourceTrigger=PropertyChanged}" />
                </StackPanel>
                <StackPanel Grid.Column="3" Margin="0,0,14,0">
                    <TextBlock Text="本机打印机" Foreground="#475569" Margin="0,0,0,6" />
                    <ComboBox ItemsSource="{Binding Printers}"
                              SelectedItem="{Binding SelectedPrinter}"
                              DisplayMemberPath="DisplayText"
                              MinHeight="32" />
                </StackPanel>
                <StackPanel Grid.Column="4" VerticalAlignment="Bottom" Orientation="Horizontal">
                    <Button Content="保存设置" Command="{Binding SaveSettingsCommand}" Style="{StaticResource SecondaryButtonStyle}" />
                    <Button Content="刷新打印机" Command="{Binding RefreshPrintersCommand}" Style="{StaticResource SecondaryButtonStyle}" />
                    <Button Content="连接/注册" Command="{Binding ConnectCommand}" />
                    <Button Content="订阅任务" Command="{Binding SubscribeCommand}" />
                    <Button Content="断开" Command="{Binding DisconnectCommand}" Style="{StaticResource SecondaryButtonStyle}" />
                </StackPanel>
            </Grid>
        </Border>

        <TabControl Grid.Row="2" Background="Transparent" BorderThickness="0">
            <TabItem Header="打印队列">
                <views:PrintQueueView DataContext="{Binding}" Margin="0,12,0,0" />
            </TabItem>
            <TabItem Header="文库管理">
                <views:LibraryView DataContext="{Binding Library}" Margin="0,12,0,0" />
            </TabItem>
            <TabItem Header="系统设置">
                <views:SettingsView DataContext="{Binding SettingsPanel}" Margin="0,12,0,0" />
            </TabItem>
        </TabControl>

        <TextBlock Grid.Row="3" Text="当前仅修改 Client 目录；未触碰 adminpage/backend/frontend。"
                   Foreground="#64748B" Margin="0,12,0,0" HorizontalAlignment="Right" />
    </Grid>
</Window>