FoxBrowser/MainWindow.xaml

<Window x:Class="FoxBrowser.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="FoxBrowser" Width="1180" Height="760" MinWidth="760" MinHeight="480"
        Background="{StaticResource WindowBg}" Foreground="{StaticResource TextPrimary}"
        Closing="Window_Closing" StateChanged="Window_StateChanged"
        UseLayoutRounding="True" SnapsToDevicePixels="True"
        TextOptions.TextFormattingMode="Display"
        RenderOptions.ClearTypeHint="Enabled">
    <Window.Resources>
        <DataTemplate x:Key="TabTemplate">
            <Grid MinWidth="126" MaxWidth="250" Height="34">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*" />
                    <ColumnDefinition Width="Auto" />
                </Grid.ColumnDefinitions>
                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                    <Ellipse Width="6" Height="6" Fill="{StaticResource TextMuted}" Margin="0,0,8,0" />
                    <TextBlock Text="{Binding DisplayTitle}"
                               TextTrimming="CharacterEllipsis"
                               VerticalAlignment="Center"
                               FontSize="12"
                               FontWeight="SemiBold"
                               Foreground="{StaticResource TextSecondary}" />
                </StackPanel>
                <Button Grid.Column="1"
                        Content="×"
                        Tag="{Binding}"
                        Click="CloseTab_Click"
                        ToolTip="Закрити вкладку"
                        Width="22" Height="22"
                        Padding="0"
                        Margin="8,0,0,0"
                        FontSize="14"
                        FontWeight="Bold"
                        Background="Transparent"
                        BorderBrush="Transparent"
                        Foreground="{StaticResource TextMuted}">
                    <Button.Template>
                        <ControlTemplate TargetType="Button">
                            <Border x:Name="CloseBorder" Background="{TemplateBinding Background}" CornerRadius="5">
                                <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0,-1,0,0" />
                            </Border>
                            <ControlTemplate.Triggers>
                                <Trigger Property="IsMouseOver" Value="True">
                                    <Setter TargetName="CloseBorder" Property="Background" Value="{StaticResource DangerBg}" />
                                    <Setter Property="Foreground" Value="{StaticResource DangerText}" />
                                </Trigger>
                            </ControlTemplate.Triggers>
                        </ControlTemplate>
                    </Button.Template>
                </Button>
            </Grid>
        </DataTemplate>

        <Style TargetType="TabItem">
            <Setter Property="Background" Value="#191F28" />
            <Setter Property="BorderBrush" Value="{StaticResource BorderDark}" />
            <Setter Property="BorderThickness" Value="1" />
            <Setter Property="Foreground" Value="{StaticResource TextSecondary}" />
            <Setter Property="Margin" Value="0" />
            <Setter Property="Padding" Value="12,0" />
            <Setter Property="Cursor" Value="Hand" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="TabItem">
                        <Border x:Name="TabBorder"
                                Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="8"
                                Padding="{TemplateBinding Padding}"
                                Margin="0,0,6,2">
                            <ContentPresenter ContentSource="Header" HorizontalAlignment="Center" VerticalAlignment="Center" />
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsMouseOver" Value="True">
                                <Setter TargetName="TabBorder" Property="Background" Value="#222A35" />
                                <Setter TargetName="TabBorder" Property="BorderBrush" Value="{StaticResource BorderMedium}" />
                            </Trigger>
                            <Trigger Property="IsSelected" Value="True">
                                <Setter TargetName="TabBorder" Property="Background" Value="#26354B" />
                                <Setter TargetName="TabBorder" Property="BorderBrush" Value="{StaticResource AurBlue}" />
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
            <Style.Triggers>
                <Trigger Property="IsSelected" Value="True">
                    <Setter Property="Foreground" Value="{StaticResource TextPrimary}" />
                    <Setter Property="FontWeight" Value="SemiBold" />
                </Trigger>
            </Style.Triggers>
        </Style>
    </Window.Resources>

    <DockPanel>
        <!-- Tab strip -->
        <Border DockPanel.Dock="Top" Background="{StaticResource HeaderBg}" Padding="12,10,12,8" BorderBrush="{StaticResource BorderDark}" BorderThickness="0,0,0,1">
            <DockPanel>
                <StackPanel DockPanel.Dock="Left" Orientation="Horizontal" VerticalAlignment="Center" Margin="2,0,18,0">
                    <Border Width="32" Height="32" CornerRadius="9" Background="{StaticResource AurBlueSoft}">
                        <TextBlock Text="🦊" FontSize="16" HorizontalAlignment="Center" VerticalAlignment="Center" />
                    </Border>
                </StackPanel>
                <Button DockPanel.Dock="Right" Content="＋" ToolTip="Нова вкладка" Click="NewTab_Click" Style="{StaticResource IconButton}" Margin="8,0,0,0" />
                <TabControl x:Name="TabStrip"
                            ItemsSource="{Binding Tabs}"
                            ItemTemplate="{StaticResource TabTemplate}"
                            SelectionChanged="TabStrip_SelectionChanged"
                            Background="Transparent"
                            BorderThickness="0"
                            Padding="0"
                            Margin="0,0,0,0">
                    <TabControl.ContentTemplate>
                        <DataTemplate><Grid Visibility="Collapsed" /></DataTemplate>
                    </TabControl.ContentTemplate>
                </TabControl>
            </DockPanel>
        </Border>

        <!-- Browser controls -->
        <Border DockPanel.Dock="Top" Background="{StaticResource HeaderBgElevated}" Padding="12,9" BorderBrush="{StaticResource BorderDark}" BorderThickness="0,0,0,1">
            <DockPanel LastChildFill="True">
                <StackPanel DockPanel.Dock="Left" Orientation="Horizontal" VerticalAlignment="Center" Margin="0,0,10,0">
                    <Button Content="←" ToolTip="Назад" Click="Back_Click" Style="{StaticResource IconButton}" />
                    <Button Content="→" ToolTip="Вперед" Click="Forward_Click" Style="{StaticResource IconButton}" />
                    <Button Content="⟳" ToolTip="Оновити" Click="Reload_Click" Style="{StaticResource IconButton}" Margin="4,0,0,0" />
                </StackPanel>

                <StackPanel DockPanel.Dock="Right" Orientation="Horizontal" VerticalAlignment="Center" Margin="10,0,0,0">
                    <ItemsControl x:Name="PinnedExtensionStrip" Margin="0,0,5,0">
                        <ItemsControl.ItemsPanel>
                            <ItemsPanelTemplate><StackPanel Orientation="Horizontal" /></ItemsPanelTemplate>
                        </ItemsControl.ItemsPanel>
                        <ItemsControl.ItemTemplate>
                            <DataTemplate>
                                <Button Tag="{Binding}" Click="PinnedExtension_Click" Width="32" Height="32" Padding="0" Margin="0,0,4,0" ToolTip="{Binding Name}" Style="{StaticResource IconButton}">
                                    <Grid>
                                        <Image Source="{Binding IconPath}" Width="18" Height="18" Stretch="Uniform" />
                                        <TextBlock Text="{Binding Glyph}" FontWeight="Bold" HorizontalAlignment="Center" VerticalAlignment="Center" />
                                    </Grid>
                                </Button>
                            </DataTemplate>
                        </ItemsControl.ItemTemplate>
                    </ItemsControl>
                    <Button Content="♫" ToolTip="Режим лише аудіо" Click="AudioOnly_Click" Height="32" Width="36" Padding="0" Margin="0,0,4,0" />
                    <Button Content="Розширення" ToolTip="Керування unpacked extensions" Click="Extensions_Click" Height="32" Padding="11,0" />
                </StackPanel>

                <Grid VerticalAlignment="Center">
                    <TextBox x:Name="AddressBox"
                             VerticalContentAlignment="Center"
                             Height="32"
                             Padding="12,0,86,0"
                             KeyDown="AddressBox_KeyDown" />
                    <Button Content="Перейти" ToolTip="Відкрити адресу" Click="Go_Click" Style="{StaticResource PrimaryButton}" Height="26" Padding="12,0" HorizontalAlignment="Right" Margin="0,0,3,0" />
                </Grid>
            </DockPanel>
        </Border>

        <!-- Web content -->
        <Grid x:Name="WebViewHost" Background="#0B0E12">
            <TextBlock x:Name="BrowserStatus"
                       Text="Ініціалізація WebView2…"
                       Foreground="{StaticResource TextSecondary}"
                       FontSize="13"
                       HorizontalAlignment="Center"
                       VerticalAlignment="Center"
                       Visibility="Collapsed" />
        </Grid>
    </DockPanel>
</Window>