marechai/Marechai.App/Styles/DOSColorPalette.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <!-- DOS / Turbo Vision Theme -->
    <!-- Classic blue background with cyan highlights and monospaced font -->

    <!-- System Accent - Cyan/Bright Green -->
    <Color x:Key="SystemAccentColor">#00FFFF</Color> <Color x:Key="SystemAccentColorLight1">#55FFFF</Color>
    <Color x:Key="SystemAccentColorLight2">#AAFFFF</Color> <Color x:Key="SystemAccentColorLight3">#CCFFFF</Color>
    <Color x:Key="SystemAccentColorDark1">#00CCCC</Color> <Color x:Key="SystemAccentColorDark2">#009999</Color>
    <Color x:Key="SystemAccentColorDark3">#006666</Color>

    <!-- Font Family - Monospace -->
    <FontFamily x:Key="ContentControlThemeFontFamily">Cascadia Mono, Consolas, Courier New, monospace</FontFamily>
    <FontFamily x:Key="SymbolThemeFontFamily">Cascadia Mono, Consolas, Courier New, monospace</FontFamily>

    <!-- ALL TEXT - Yellow/White on Blue -->
    <SolidColorBrush x:Key="TextFillColorPrimaryBrush"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="TextFillColorSecondaryBrush"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="TextFillColorTertiaryBrush"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="TextFillColorDisabledBrush"
                     Color="#808080" />
    <SolidColorBrush x:Key="TextControlForeground"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="TextControlForegroundPointerOver"
                     Color="#FFFFFF" />
    <SolidColorBrush x:Key="TextControlForegroundFocused"
                     Color="#FFFFFF" />
    <SolidColorBrush x:Key="TextControlForegroundDisabled"
                     Color="#808080" />
    <SolidColorBrush x:Key="TextControlPlaceholderForeground"
                     Color="#AAAAAA" />
    <SolidColorBrush x:Key="TextControlPlaceholderForegroundPointerOver"
                     Color="#CCCCCC" />
    <SolidColorBrush x:Key="TextControlPlaceholderForegroundFocused"
                     Color="#CCCCCC" />
    <SolidColorBrush x:Key="TextControlHeaderForeground"
                     Color="#00FFFF" />

    <!-- Button Text -->
    <SolidColorBrush x:Key="ButtonForeground"
                     Color="#000000" />
    <SolidColorBrush x:Key="ButtonForegroundPointerOver"
                     Color="#000000" />
    <SolidColorBrush x:Key="ButtonForegroundPressed"
                     Color="#000000" />
    <SolidColorBrush x:Key="ButtonForegroundDisabled"
                     Color="#808080" />

    <!-- ComboBox Text -->
    <SolidColorBrush x:Key="ComboBoxForeground"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="ComboBoxForegroundPointerOver"
                     Color="#FFFFFF" />
    <SolidColorBrush x:Key="ComboBoxForegroundPressed"
                     Color="#FFFFFF" />
    <SolidColorBrush x:Key="ComboBoxForegroundFocused"
                     Color="#FFFFFF" />
    <SolidColorBrush x:Key="ComboBoxForegroundDisabled"
                     Color="#808080" />

    <!-- Navigation and List Text -->
    <SolidColorBrush x:Key="NavigationViewItemForeground"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="NavigationViewItemForegroundPointerOver"
                     Color="#FFFFFF" />
    <SolidColorBrush x:Key="NavigationViewItemForegroundPressed"
                     Color="#FFFFFF" />
    <SolidColorBrush x:Key="ListViewItemForeground"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="ListViewItemForegroundPointerOver"
                     Color="#FFFFFF" />
    <SolidColorBrush x:Key="ListViewItemForegroundSelected"
                     Color="#000000" />

    <!-- System Control Foreground -->
    <SolidColorBrush x:Key="SystemControlForegroundBaseHighBrush"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="SystemControlForegroundBaseMediumBrush"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="SystemControlForegroundBaseMediumHighBrush"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="SystemControlForegroundBaseMediumLowBrush"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="SystemControlForegroundBaseLowBrush"
                     Color="#FFFF00" />

    <!-- System Colors -->
    <SolidColorBrush x:Key="SystemBaseMediumColor"
                     Color="#00FFFF" />
    <SolidColorBrush x:Key="SystemBaseHighColor"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="SystemBaseMediumHighColor"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="SystemBaseMediumLowColor"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="SystemBaseLowColor"
                     Color="#FFFF00" />

    <!-- Backgrounds - Classic DOS Blue -->
    <SolidColorBrush x:Key="ApplicationPageBackgroundThemeBrush"
                     Color="#0000AA" />
    <SolidColorBrush x:Key="LayerFillColorDefaultBrush"
                     Color="#0000AA" />
    <SolidColorBrush x:Key="LayerFillColorAltBrush"
                     Color="#000088" />
    <SolidColorBrush x:Key="CardBackgroundFillColorDefaultBrush"
                     Color="#0000AA" />
    <SolidColorBrush x:Key="CardBackgroundFillColorSecondaryBrush"
                     Color="#000088" />
    <SolidColorBrush x:Key="SurfaceFillColorDefaultBrush"
                     Color="#0000AA" />
    <SolidColorBrush x:Key="ControlFillColorDefaultBrush"
                     Color="#0000AA" />
    <SolidColorBrush x:Key="ControlFillColorSecondaryBrush"
                     Color="#000099" />
    <SolidColorBrush x:Key="ControlFillColorTertiaryBrush"
                     Color="#000088" />
    <SolidColorBrush x:Key="ControlFillColorDisabledBrush"
                     Color="#000077" />
    <SolidColorBrush x:Key="SubtleFillColorTransparentBrush"
                     Color="Transparent" />
    <SolidColorBrush x:Key="SubtleFillColorSecondaryBrush"
                     Color="#000088" />
    <SolidColorBrush x:Key="SubtleFillColorTertiaryBrush"
                     Color="#000077" />

    <!-- Button Backgrounds - Gray like Turbo Vision -->
    <SolidColorBrush x:Key="ButtonBackground"
                     Color="#AAAAAA" />
    <SolidColorBrush x:Key="ButtonBackgroundPointerOver"
                     Color="#00FF00" />
    <SolidColorBrush x:Key="ButtonBackgroundPressed"
                     Color="#00FFFF" />
    <SolidColorBrush x:Key="ButtonBackgroundDisabled"
                     Color="#555555" />

    <!-- TextBox Backgrounds - Cyan on Blue -->
    <SolidColorBrush x:Key="TextControlBackground"
                     Color="#0000AA" />
    <SolidColorBrush x:Key="TextControlBackgroundPointerOver"
                     Color="#0000CC" />
    <SolidColorBrush x:Key="TextControlBackgroundFocused"
                     Color="#0000CC" />
    <SolidColorBrush x:Key="TextControlBackgroundDisabled"
                     Color="#000077" />

    <!-- ComboBox Backgrounds -->
    <SolidColorBrush x:Key="ComboBoxBackground"
                     Color="#0000AA" />
    <SolidColorBrush x:Key="ComboBoxBackgroundPointerOver"
                     Color="#0000CC" />
    <SolidColorBrush x:Key="ComboBoxBackgroundPressed"
                     Color="#0000CC" />
    <SolidColorBrush x:Key="ComboBoxBackgroundFocused"
                     Color="#0000CC" />
    <SolidColorBrush x:Key="ComboBoxBackgroundDisabled"
                     Color="#000077" />

    <!-- Navigation Backgrounds - Darker Blue -->
    <SolidColorBrush x:Key="NavigationViewDefaultPaneBackground"
                     Color="#000088" />
    <SolidColorBrush x:Key="NavigationViewTopPaneBackground"
                     Color="#000088" />
    <SolidColorBrush x:Key="NavigationViewExpandedPaneBackground"
                     Color="#000088" />

    <!-- List Backgrounds - Cyan selection -->
    <SolidColorBrush x:Key="ListViewItemBackground"
                     Color="#0000AA" />
    <SolidColorBrush x:Key="ListViewItemBackgroundPointerOver"
                     Color="#0000CC" />
    <SolidColorBrush x:Key="ListViewItemBackgroundPressed"
                     Color="#000088" />
    <SolidColorBrush x:Key="ListViewItemBackgroundSelected"
                     Color="#00FFFF" />
    <SolidColorBrush x:Key="ListViewItemBackgroundSelectedPointerOver"
                     Color="#00FFFF" />

    <!-- Borders - Cyan -->
    <SolidColorBrush x:Key="CardStrokeColorDefaultBrush"
                     Color="#00FFFF" />
    <SolidColorBrush x:Key="ControlStrokeColorDefaultBrush"
                     Color="#00FFFF" />
    <SolidColorBrush x:Key="ControlStrokeColorSecondaryBrush"
                     Color="#00AAAA" />
    <SolidColorBrush x:Key="DividerStrokeColorDefaultBrush"
                     Color="#008888" />
    <SolidColorBrush x:Key="TextControlBorderBrush"
                     Color="#00FFFF" />
    <SolidColorBrush x:Key="TextControlBorderBrushPointerOver"
                     Color="#00FFFF" />
    <SolidColorBrush x:Key="TextControlBorderBrushFocused"
                     Color="#FFFF00" />
    <SolidColorBrush x:Key="ComboBoxBorderBrush"
                     Color="#00FFFF" />
    <SolidColorBrush x:Key="ComboBoxBorderBrushPointerOver"
                     Color="#00FFFF" />
    <SolidColorBrush x:Key="ComboBoxBorderBrushPressed"
                     Color="#FFFF00" />

    <!-- Accent Colors -->
    <SolidColorBrush x:Key="AccentFillColorDefaultBrush"
                     Color="#00FFFF" />
    <SolidColorBrush x:Key="AccentFillColorSecondaryBrush"
                     Color="#00CCCC" />
    <SolidColorBrush x:Key="AccentFillColorTertiaryBrush"
                     Color="#009999" />

</ResourceDictionary>