gg/UI/Styles/MainStyle.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <!-- Кнопки скрытия, свертывания и закрытия -->
    <Style x:Key="NavViewButtonsStyle" TargetType="{x:Type Button}">
        <Setter Property="Background" Value="Transparent"/>
        <Setter Property="Foreground" Value="{DynamicResource PrimaryHomingTwoColor}"/>
        <Setter Property="FontWeight" Value="Bold"/>
        <Setter Property="Cursor" Value="Hand"/>
        <Setter Property="FontSize" Value="16"/>
        <Setter Property="BorderThickness" Value="0"/>
        <Setter Property="Height" Value="25"/>
        <Setter Property="Width" Value="25"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type Button}">
                    <Border BorderBrush="{TemplateBinding BorderBrush}" CornerRadius="5" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
                        <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
        <Style.Triggers>
            <Trigger Property="IsMouseOver" Value="True">
                <Setter Property="Background" Value="{DynamicResource SecundaryBackgroundColor}"/>
            </Trigger>
            <MultiTrigger>
                <MultiTrigger.Conditions>
                    <Condition Property="IsMouseOver" Value="True"/>
                    <Condition Property="Tag" Value="IsCloseButton"/>
                </MultiTrigger.Conditions>
                <Setter Property="Background" Value="{DynamicResource btnClose}"/>
            </MultiTrigger>
            <Trigger Property="IsPressed" Value="True">
                <Setter Property="Background" Value="{DynamicResource SecundaryBackgroundColor}"/>
            </Trigger>
        </Style.Triggers>
    </Style>
    <!-- Отделы -->
    <Style TargetType="{x:Type Button}">
        <Setter Property="Cursor" Value="Hand"/>
        <Setter Property="Padding" Value="5"/>
        <Setter Property="Margin" Value="5"/>
        <Setter Property="Height" Value="30"/>
        <Setter Property="Background" Value="{DynamicResource PrimaryBackgroundColor}"/>
        <Setter Property="Foreground" Value="{DynamicResource PrimaryHomingTwoColor}" />
        <Setter Property="FontSize" Value="12"/>
        <Setter Property="BorderThickness" Value="0" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type Button}">
                    <Border BorderBrush="{TemplateBinding BorderBrush}" CornerRadius="5" 
                 BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
                        <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
        <Style.Triggers>
            <Trigger Property="IsMouseOver" Value="True">
                <Setter Property="Background" Value="{DynamicResource PrimaryHomingColor}"/>
                <Setter Property="Foreground" Value="#EBF6F5"/>
            </Trigger>
            <Trigger Property="IsPressed" Value="True">
                <Setter Property="Background" Value="{DynamicResource PrimaryHomingTwoColor}"/>
                <Setter Property="Foreground" Value="White" />
            </Trigger>
        </Style.Triggers>
    </Style>
    <!-- Фильтрация -->
    <Style x:Key="ComboboxButtonStyle" TargetType="{x:Type ToggleButton}">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ToggleButton}">
                    <Border Background="White" x:Name="border" CornerRadius="0,5,5,0" BorderThickness="0,2,2,2" BorderBrush="{DynamicResource PrimaryHomingColor}">
                        <ContentPresenter />
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style x:Key="ComboboxTextBoxStyle" TargetType="{x:Type TextBox}">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type TextBox}">
                    <Grid>
                        <Border CornerRadius="5,0,0,5" BorderThickness="2,2,0,2" Background="{TemplateBinding Background}" BorderBrush="{DynamicResource PrimaryHomingColor}">
                            <ScrollViewer x:Name="PART_ContentHost"/>
                        </Border>
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style TargetType="{x:Type ComboBox}">
        <Setter Property="HorizontalContentAlignment" Value="Center"/>
        <Setter Property="VerticalContentAlignment" Value="Center"/>
        <Setter Property="Foreground" Value="{DynamicResource PrimaryTextColor}"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ComboBox}">
                    <Grid>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition/>
                            <ColumnDefinition MaxWidth="18"/>
                        </Grid.ColumnDefinitions>
                        <TextBox Name="PART_EditableTextBox" Style="{StaticResource ComboboxTextBoxStyle}" Padding="5,0,0,0" Height="{TemplateBinding Height}"/>

                        <ToggleButton Grid.Column="1" Margin="0" Height="{TemplateBinding Height}" Style="{StaticResource ComboboxButtonStyle}" Focusable="False"  
                    IsChecked="{Binding Path=IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" ClickMode="Press">
                            <Path Grid.Column="1" HorizontalAlignment="Center" VerticalAlignment="Center" Data="M 0 0 L 4 4 L 8 0 Z" Fill="{DynamicResource PrimaryHomingColor}" />
                        </ToggleButton>

                        <ContentPresenter Name="ContentSite" Content="{TemplateBinding SelectionBoxItem}" ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}"  
                        ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}" VerticalAlignment="Center" HorizontalAlignment="Left" Margin="5,0,0,0"/>

                        <Popup Name="Popup" Placement="Bottom" IsOpen="{TemplateBinding IsDropDownOpen}" AllowsTransparency="True" Focusable="False" PopupAnimation="Slide">
                            <Grid Name="DropDown" SnapsToDevicePixels="True" MinWidth="{TemplateBinding ActualWidth}" MaxHeight="{TemplateBinding MaxDropDownHeight}">
                                <Border x:Name="DropDownBorder" BorderThickness="2" CornerRadius="5" 
                             BorderBrush="{DynamicResource PrimaryBackgroundColor}" Background="{DynamicResource SecundaryBackgroundColor}"/>
                                <ScrollViewer Margin="4,6,4,6" SnapsToDevicePixels="True">
                                    <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained" />
                                </ScrollViewer>
                            </Grid>
                        </Popup>
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <!-- text box -->
    <Style TargetType="{x:Type TextBox}">
        <Setter Property="Foreground" Value="{DynamicResource PrimaryTextColor}"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type TextBox}">
                    <Border Background="{TemplateBinding Background}" x:Name="Bd" BorderBrush="{DynamicResource PrimaryHomingColor}" BorderThickness="2" CornerRadius="5">
                        <ScrollViewer x:Name="PART_ContentHost"/>
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}" TargetName="Bd"/>
                            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                        </Trigger>
                        <Trigger Property="IsMouseOver" Value="True">
                            <Setter TargetName="Bd" Property="BorderBrush" Value="{DynamicResource PrimaryTextColor}"/>
                            <Setter TargetName="Bd" Property="BorderThickness" Value="2"/>
                        </Trigger>
                        <Trigger Property="IsFocused" Value="True">
                            <Setter TargetName="Bd" Property="BorderBrush" Value="{DynamicResource PrimaryHomingTwoColor}"/>
                            <Setter TargetName="Bd" Property="BorderThickness" Value="2"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <!-- text block -->
    <Style TargetType="TextBlock">
        <Setter Property="Foreground" Value="{DynamicResource PrimaryTextColor}"/>
        <Setter Property="FontWeight" Value="Bold"/>
        <Setter Property="HorizontalAlignment" Value="Left"/>
    </Style>

</ResourceDictionary>