dragon-iso/src/TeamsISO.App/MainWindow.xaml

<Window x:Class="TeamsISO.App.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:vm="clr-namespace:TeamsISO.App.ViewModels"
        xmlns:conv="clr-namespace:TeamsISO.App.Converters"
        Title="TeamsISO" Height="700" Width="1100"
        Background="#202225" Foreground="#E8E8E8">

    <Window.Resources>
        <conv:BoolToVisibilityConverter x:Key="BoolToVis" />
        <conv:EnumDescriptionConverter x:Key="EnumDesc" />

        <Style TargetType="TextBlock">
            <Setter Property="Foreground" Value="#E8E8E8"/>
            <Setter Property="FontFamily" Value="Segoe UI"/>
            <Setter Property="FontSize" Value="13"/>
        </Style>
        <Style TargetType="Button">
            <Setter Property="Padding" Value="10,4"/>
            <Setter Property="Margin" Value="0,4,0,0"/>
            <Setter Property="Background" Value="#3F4147"/>
            <Setter Property="Foreground" Value="#E8E8E8"/>
            <Setter Property="BorderBrush" Value="#5A5C63"/>
        </Style>
        <Style TargetType="ComboBox">
            <Setter Property="Margin" Value="0,2,0,8"/>
        </Style>
    </Window.Resources>

    <DockPanel>

        <!-- Alert banner -->
        <Border DockPanel.Dock="Top"
                Background="#7A2B2B"
                Padding="12,8"
                Visibility="{Binding AlertBanner.IsVisible, Converter={StaticResource BoolToVis}}">
            <DockPanel>
                <Button DockPanel.Dock="Right"
                        Content="Dismiss"
                        Command="{Binding AlertBanner.DismissCommand}"
                        Margin="12,0,0,0"/>
                <TextBlock Text="{Binding AlertBanner.Message}"
                           FontWeight="SemiBold"
                           VerticalAlignment="Center"/>
            </DockPanel>
        </Border>

        <!-- Status footer -->
        <Border DockPanel.Dock="Bottom" Background="#191B1F" Padding="10,6">
            <TextBlock Text="{Binding StatusText}" FontStyle="Italic" Foreground="#A0A0A0"/>
        </Border>

        <!-- Settings sidebar -->
        <Border DockPanel.Dock="Right" Background="#2A2C32" Width="320" Padding="14">
            <ScrollViewer VerticalScrollBarVisibility="Auto">
                <StackPanel>
                    <TextBlock Text="Global Settings" FontSize="16" FontWeight="Bold" Margin="0,0,0,12"/>

                    <TextBlock Text="Target Framerate"/>
                    <ComboBox ItemsSource="{Binding Settings.AvailableFramerates}"
                              SelectedItem="{Binding Settings.Framerate}">
                        <ComboBox.ItemTemplate>
                            <DataTemplate>
                                <TextBlock Text="{Binding Converter={StaticResource EnumDesc}}"/>
                            </DataTemplate>
                        </ComboBox.ItemTemplate>
                    </ComboBox>

                    <TextBlock Text="Target Resolution"/>
                    <ComboBox ItemsSource="{Binding Settings.AvailableResolutions}"
                              SelectedItem="{Binding Settings.Resolution}">
                        <ComboBox.ItemTemplate>
                            <DataTemplate>
                                <TextBlock Text="{Binding Converter={StaticResource EnumDesc}}"/>
                            </DataTemplate>
                        </ComboBox.ItemTemplate>
                    </ComboBox>

                    <TextBlock Text="Aspect Mode"/>
                    <ComboBox ItemsSource="{Binding Settings.AvailableAspectModes}"
                              SelectedItem="{Binding Settings.Aspect}">
                        <ComboBox.ItemTemplate>
                            <DataTemplate>
                                <TextBlock Text="{Binding Converter={StaticResource EnumDesc}}"/>
                            </DataTemplate>
                        </ComboBox.ItemTemplate>
                    </ComboBox>

                    <TextBlock Text="Audio Mode"/>
                    <ComboBox ItemsSource="{Binding Settings.AvailableAudioModes}"
                              SelectedItem="{Binding Settings.Audio}">
                        <ComboBox.ItemTemplate>
                            <DataTemplate>
                                <TextBlock Text="{Binding Converter={StaticResource EnumDesc}}"/>
                            </DataTemplate>
                        </ComboBox.ItemTemplate>
                    </ComboBox>

                    <Button Content="Apply" Command="{Binding Settings.ApplyCommand}" Margin="0,16,0,0"/>
                </StackPanel>
            </ScrollViewer>
        </Border>

        <!-- Main content: participants list -->
        <Grid Margin="14">
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="*"/>
            </Grid.RowDefinitions>

            <TextBlock Grid.Row="0"
                       Text="Participants"
                       FontSize="16" FontWeight="Bold"
                       Margin="0,0,0,8"/>

            <DataGrid Grid.Row="1"
                      ItemsSource="{Binding Participants}"
                      AutoGenerateColumns="False"
                      Background="#2A2C32"
                      Foreground="#E8E8E8"
                      RowBackground="#2A2C32"
                      AlternatingRowBackground="#2E3037"
                      BorderBrush="#5A5C63"
                      GridLinesVisibility="Horizontal"
                      HeadersVisibility="Column"
                      CanUserAddRows="False" CanUserDeleteRows="False"
                      RowHeight="34">
                <DataGrid.Columns>
                    <DataGridTextColumn Header="Display Name" Binding="{Binding DisplayName}" Width="2*" IsReadOnly="True"/>
                    <DataGridTextColumn Header="Source" Binding="{Binding SourceMachine}" Width="*" IsReadOnly="True"/>
                    <DataGridTextColumn Header="ISO Output Name" Binding="{Binding CustomName, UpdateSourceTrigger=PropertyChanged}" Width="2*"/>
                    <DataGridTemplateColumn Header="ISO" Width="100">
                        <DataGridTemplateColumn.CellTemplate>
                            <DataTemplate>
                                <Button Content="{Binding IsEnabled, StringFormat={}{0}}" Command="{Binding ToggleIsoCommand}">
                                    <Button.Style>
                                        <Style TargetType="Button">
                                            <Setter Property="Content" Value="Enable"/>
                                            <Style.Triggers>
                                                <DataTrigger Binding="{Binding IsEnabled}" Value="True">
                                                    <Setter Property="Content" Value="Disable"/>
                                                    <Setter Property="Background" Value="#3D6F45"/>
                                                </DataTrigger>
                                                <DataTrigger Binding="{Binding IsProcessing}" Value="True">
                                                    <Setter Property="Content" Value="…"/>
                                                </DataTrigger>
                                            </Style.Triggers>
                                        </Style>
                                    </Button.Style>
                                </Button>
                            </DataTemplate>
                        </DataGridTemplateColumn.CellTemplate>
                    </DataGridTemplateColumn>
                </DataGrid.Columns>
            </DataGrid>
        </Grid>

    </DockPanel>
</Window>