App.xaml

<Application
    x:Class="MissionController.UI.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:converters="using:MissionController.UI.Converters">
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
                <!-- ms-appx:/// resolves within THIS assembly. A leading "/AssemblyName/..." path is
                     the cross-assembly form, so WinUI looked for a literal "MissionController.UI"
                     subfolder, failed, and threw XamlParseException before any window existed. -->
                <ResourceDictionary Source="ms-appx:///Styles/SplatDesignTokens.xaml" />
            </ResourceDictionary.MergedDictionaries>
            <ResourceDictionary.ThemeDictionaries>
                <ResourceDictionary x:Key="Default">
                    <SolidColorBrush x:Key="ButtonBackgroundPressed" Color="#454CC2FF" />
                    <SolidColorBrush x:Key="ButtonBorderBrushPressed" Color="#D04CC2FF" />
                    <SolidColorBrush x:Key="ButtonForegroundPressed" Color="#FFFFFFFF" />
                    <SolidColorBrush x:Key="AccentButtonBackgroundPressed" Color="#FF7AD8FF" />
                    <SolidColorBrush x:Key="AccentButtonBorderBrushPressed" Color="#FFFFFFFF" />
                    <SolidColorBrush x:Key="AccentButtonForegroundPressed" Color="#FF00131D" />
                </ResourceDictionary>
                <ResourceDictionary x:Key="Light">
                    <SolidColorBrush x:Key="ButtonBackgroundPressed" Color="#334CC2FF" />
                    <SolidColorBrush x:Key="ButtonBorderBrushPressed" Color="#FF087DAA" />
                    <SolidColorBrush x:Key="ButtonForegroundPressed" Color="#FF00131D" />
                    <SolidColorBrush x:Key="AccentButtonBackgroundPressed" Color="#FF087DAA" />
                    <SolidColorBrush x:Key="AccentButtonBorderBrushPressed" Color="#FF004866" />
                    <SolidColorBrush x:Key="AccentButtonForegroundPressed" Color="#FFFFFFFF" />
                </ResourceDictionary>
            </ResourceDictionary.ThemeDictionaries>

            <converters:BoolNegationConverter x:Key="BoolNegationConverter" />
            <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
            <converters:BoolNegationToVisibilityConverter x:Key="BoolNegationToVisibilityConverter" />
            <converters:NullToVisibilityConverter x:Key="NullToVisibilityConverter" />
            <converters:PositiveNumberToVisibilityConverter x:Key="PositiveNumberToVisibilityConverter" />

            <!-- Electric Energy Linear Gradient -->
            <LinearGradientBrush x:Key="ElectricBlueEnergyBrush" StartPoint="0,0" EndPoint="1,1">
                <GradientStop Color="#0066FF" Offset="0.0" />
                <GradientStop Color="#00C8FF" Offset="0.5" />
                <GradientStop Color="#00E5FF" Offset="1.0" />
            </LinearGradientBrush>

            <LinearGradientBrush x:Key="ElectricBorderGlowBrush" StartPoint="0,0" EndPoint="1,0">
                <GradientStop Color="#8000E5FF" Offset="0.0" />
                <GradientStop Color="#FF00F0FF" Offset="0.5" />
                <GradientStop Color="#8000E5FF" Offset="1.0" />
            </LinearGradientBrush>

            <!-- Electric Energy Button Style with Blue Lightning Glow -->
            <Style x:Key="ElectricEnergyButtonStyle" TargetType="Button">
                <Setter Property="Background" Value="{StaticResource ElectricBlueEnergyBrush}" />
                <Setter Property="Foreground" Value="{ThemeResource SplatOnAccentBrush}" />
                <Setter Property="BorderBrush" Value="{StaticResource ElectricBorderGlowBrush}" />
                <Setter Property="BorderThickness" Value="2" />
                <Setter Property="CornerRadius" Value="{StaticResource SplatCornerRadiusMedium}" />
                <Setter Property="Padding" Value="20,12" />
                <Setter Property="FontWeight" Value="Bold" />
                <Setter Property="FontSize" Value="14" />
            </Style>

            <Style x:Key="CompactActivityRingStyle" TargetType="ProgressRing">
                <Setter Property="Width" Value="18" />
                <Setter Property="Height" Value="18" />
                <Setter Property="Foreground" Value="{ThemeResource SplatAccentBrush}" />
                <Setter Property="IsHitTestVisible" Value="False" />
            </Style>

            <!-- Luminous Accent Button Style -->
            <Style x:Key="LuminousAccentButtonStyle" TargetType="Button" BasedOn="{StaticResource AccentButtonStyle}">
                <Setter Property="BorderBrush" Value="{StaticResource ElectricBorderGlowBrush}" />
                <Setter Property="BorderThickness" Value="1" />
                <Setter Property="CornerRadius" Value="6" />
                <Setter Property="FontWeight" Value="SemiBold" />
            </Style>
        </ResourceDictionary>
    </Application.Resources>
</Application>