FoxBrowser/App.xaml

<Application x:Class="FoxBrowser.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             StartupUri="MainWindow.xaml">
    <Application.Resources>
        <!-- FoxBrowser visual system -->
        <SolidColorBrush x:Key="WindowBg" Color="#0F1217" />
        <SolidColorBrush x:Key="HeaderBg" Color="#171B22" />
        <SolidColorBrush x:Key="HeaderBgElevated" Color="#1D222B" />
        <SolidColorBrush x:Key="CardBg" Color="#202630" />
        <SolidColorBrush x:Key="CardBgHover" Color="#28303C" />
        <SolidColorBrush x:Key="BorderDark" Color="#29313C" />
        <SolidColorBrush x:Key="BorderMedium" Color="#3B4655" />
        <SolidColorBrush x:Key="AurBlue" Color="#78AFFF" />
        <SolidColorBrush x:Key="AurBlueSoft" Color="#243B62" />
        <SolidColorBrush x:Key="TextPrimary" Color="#F5F7FB" />
        <SolidColorBrush x:Key="TextSecondary" Color="#B7C2D2" />
        <SolidColorBrush x:Key="TextMuted" Color="#7E8A9C" />
        <SolidColorBrush x:Key="DangerBg" Color="#4B252D" />
        <SolidColorBrush x:Key="DangerText" Color="#FF9BA8" />

        <Style TargetType="Button">
            <Setter Property="Background" Value="#242B35" />
            <Setter Property="Foreground" Value="{StaticResource TextPrimary}" />
            <Setter Property="BorderBrush" Value="#35404E" />
            <Setter Property="BorderThickness" Value="1" />
            <Setter Property="Padding" Value="10,6" />
            <Setter Property="Margin" Value="2,0" />
            <Setter Property="Cursor" Value="Hand" />
            <Setter Property="FontFamily" Value="Segoe UI" />
            <Setter Property="FontSize" Value="12" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Button">
                        <Border x:Name="ButtonBorder"
                                Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="7"
                                Padding="{TemplateBinding Padding}">
                            <ContentPresenter HorizontalAlignment="Center"
                                              VerticalAlignment="Center"
                                              RecognizesAccessKey="True" />
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsMouseOver" Value="True">
                                <Setter TargetName="ButtonBorder" Property="Background" Value="{StaticResource CardBgHover}" />
                                <Setter TargetName="ButtonBorder" Property="BorderBrush" Value="#536174" />
                            </Trigger>
                            <Trigger Property="IsPressed" Value="True">
                                <Setter TargetName="ButtonBorder" Property="Background" Value="#1B222C" />
                                <Setter TargetName="ButtonBorder" Property="BorderBrush" Value="{StaticResource AurBlue}" />
                            </Trigger>
                            <Trigger Property="IsKeyboardFocused" Value="True">
                                <Setter TargetName="ButtonBorder" Property="BorderBrush" Value="{StaticResource AurBlue}" />
                            </Trigger>
                            <Trigger Property="IsEnabled" Value="False">
                                <Setter TargetName="ButtonBorder" Property="Opacity" Value="0.45" />
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style x:Key="IconButton" TargetType="Button" BasedOn="{StaticResource {x:Type Button}}">
            <Setter Property="Width" Value="32" />
            <Setter Property="Height" Value="32" />
            <Setter Property="Padding" Value="0" />
            <Setter Property="FontSize" Value="16" />
            <Setter Property="FontWeight" Value="SemiBold" />
            <Setter Property="Foreground" Value="{StaticResource TextSecondary}" />
        </Style>

        <Style x:Key="PrimaryButton" TargetType="Button" BasedOn="{StaticResource {x:Type Button}}">
            <Setter Property="Background" Value="{StaticResource AurBlue}" />
            <Setter Property="Foreground" Value="#0B1220" />
            <Setter Property="BorderBrush" Value="{StaticResource AurBlue}" />
            <Setter Property="FontWeight" Value="SemiBold" />
            <Setter Property="Padding" Value="14,6" />
        </Style>

        <Style TargetType="TextBox">
            <Setter Property="Background" Value="#12171E" />
            <Setter Property="Foreground" Value="{StaticResource TextPrimary}" />
            <Setter Property="BorderBrush" Value="#303A49" />
            <Setter Property="BorderThickness" Value="1" />
            <Setter Property="Padding" Value="12,6" />
            <Setter Property="FontFamily" Value="Segoe UI" />
            <Setter Property="FontSize" Value="13" />
            <Setter Property="CaretBrush" Value="{StaticResource AurBlue}" />
            <Setter Property="SelectionBrush" Value="#5078AFFF" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="TextBox">
                        <Border x:Name="TextBorder"
                                Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="8">
                            <ScrollViewer x:Name="PART_ContentHost"
                                          Focusable="False"
                                          HorizontalScrollBarVisibility="Hidden"
                                          VerticalScrollBarVisibility="Hidden" />
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsMouseOver" Value="True">
                                <Setter TargetName="TextBorder" Property="BorderBrush" Value="#536174" />
                            </Trigger>
                            <Trigger Property="IsFocused" Value="True">
                                <Setter TargetName="TextBorder" Property="BorderBrush" Value="{StaticResource AurBlue}" />
                                <Setter TargetName="TextBorder" Property="Background" Value="#161D27" />
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style TargetType="ToolTip">
            <Setter Property="Background" Value="#1D232C" />
            <Setter Property="Foreground" Value="{StaticResource TextPrimary}" />
            <Setter Property="BorderBrush" Value="#3B4655" />
            <Setter Property="BorderThickness" Value="1" />
            <Setter Property="Padding" Value="9,5" />
            <Setter Property="FontSize" Value="12" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ToolTip">
                        <Border Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="6"
                                Padding="{TemplateBinding Padding}">
                            <ContentPresenter />
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style x:Key="FoxContextMenu" TargetType="ContextMenu">
            <Setter Property="Background" Value="#171B22" />
            <Setter Property="Foreground" Value="{StaticResource TextPrimary}" />
            <Setter Property="BorderBrush" Value="Transparent" />
            <Setter Property="BorderThickness" Value="0" />
            <Setter Property="Padding" Value="8" />
            <Setter Property="FocusVisualStyle" Value="{x:Null}" />
            <Setter Property="Focusable" Value="False" />
            <Setter Property="IsTabStop" Value="False" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ContextMenu">
                        <Border Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="8"
                                Padding="{TemplateBinding Padding}">
                            <ItemsPresenter />
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style x:Key="FoxMenuButton" TargetType="Button">
            <Setter Property="Background" Value="Transparent" />
            <Setter Property="Foreground" Value="{StaticResource TextPrimary}" />
            <Setter Property="BorderBrush" Value="Transparent" />
            <Setter Property="BorderThickness" Value="0" />
            <Setter Property="HorizontalContentAlignment" Value="Left" />
            <Setter Property="Padding" Value="9,7" />
            <Setter Property="Margin" Value="0,1" />
            <Setter Property="Cursor" Value="Hand" />
            <Setter Property="FocusVisualStyle" Value="{x:Null}" />
            <Setter Property="Focusable" Value="False" />
            <Setter Property="IsTabStop" Value="False" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Button">
                        <Border x:Name="MenuButtonBorder"
                                Background="{TemplateBinding Background}"
                                CornerRadius="6"
                                Padding="{TemplateBinding Padding}">
                            <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                              VerticalAlignment="Center" />
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsMouseOver" Value="True">
                                <Setter TargetName="MenuButtonBorder" Property="Background" Value="{StaticResource CardBgHover}" />
                            </Trigger>
                            <Trigger Property="IsPressed" Value="True">
                                <Setter TargetName="MenuButtonBorder" Property="Background" Value="{StaticResource AurBlueSoft}" />
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    </Application.Resources>
</Application>