OfficeTool/Styles/ButtonStyles.xaml

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

    <!-- Primary (accent) button -->
    <Style x:Key="PrimaryButton" TargetType="Button">
        <Setter Property="Background" Value="{StaticResource AccentBrush}"/>
        <Setter Property="Foreground" Value="{StaticResource TextOnAccentBrush}"/>
        <Setter Property="FontFamily" Value="Segoe UI Variable Display, Segoe UI, Arial"/>
        <Setter Property="FontSize" Value="14"/>
        <Setter Property="FontWeight" Value="SemiBold"/>
        <Setter Property="Padding" Value="24,10"/>
        <Setter Property="Cursor" Value="Hand"/>
        <Setter Property="BorderThickness" Value="0"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="Button">
                    <Border x:Name="border"
                            Background="{TemplateBinding Background}"
                            CornerRadius="4"
                            Padding="{TemplateBinding Padding}"
                            SnapsToDevicePixels="True"
                            TextElement.Foreground="{StaticResource TextOnAccentBrush}">
                        <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsMouseOver" Value="True">
                            <Setter TargetName="border" Property="Background" Value="{StaticResource AccentHoverBrush}"/>
                        </Trigger>
                        <Trigger Property="IsPressed" Value="True">
                            <Setter TargetName="border" Property="Background" Value="{StaticResource AccentPressedBrush}"/>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter TargetName="border" Property="Opacity" Value="0.4"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <!-- Secondary (outline) button -->
    <Style x:Key="SecondaryButton" TargetType="Button">
        <Setter Property="Background" Value="Transparent"/>
        <Setter Property="Foreground" Value="{StaticResource TextPrimaryBrush}"/>
        <Setter Property="FontFamily" Value="Segoe UI Variable Display, Segoe UI, Arial"/>
        <Setter Property="FontSize" Value="14"/>
        <Setter Property="Padding" Value="24,10"/>
        <Setter Property="Cursor" Value="Hand"/>
        <Setter Property="BorderThickness" Value="1"/>
        <Setter Property="BorderBrush" Value="{StaticResource BorderBrush}"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="Button">
                    <Border x:Name="border"
                            Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}"
                            CornerRadius="4"
                            Padding="{TemplateBinding Padding}"
                            SnapsToDevicePixels="True">
                        <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsMouseOver" Value="True">
                            <Setter TargetName="border" Property="Background" Value="{StaticResource CardHoverBrush}"/>
                            <Setter TargetName="border" Property="BorderBrush" Value="{StaticResource AccentBrush}"/>
                        </Trigger>
                        <Trigger Property="IsPressed" Value="True">
                            <Setter TargetName="border" Property="Background" Value="{StaticResource BorderBrush}"/>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter TargetName="border" Property="Opacity" Value="0.4"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <!-- Card button (for WelcomePage action cards) -->
    <Style x:Key="CardButton" TargetType="Button">
        <Setter Property="Background" Value="{StaticResource CardBrush}"/>
        <Setter Property="Foreground" Value="{StaticResource TextPrimaryBrush}"/>
        <Setter Property="FontFamily" Value="Segoe UI Variable Display, Segoe UI, Arial"/>
        <Setter Property="FontSize" Value="14"/>
        <Setter Property="Padding" Value="20,24"/>
        <Setter Property="Cursor" Value="Hand"/>
        <Setter Property="HorizontalContentAlignment" Value="Left"/>
        <Setter Property="BorderThickness" Value="1"/>
        <Setter Property="BorderBrush" Value="{StaticResource BorderBrush}"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="Button">
                    <Border x:Name="border"
                            Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}"
                            CornerRadius="8"
                            Padding="{TemplateBinding Padding}"
                            SnapsToDevicePixels="True">
                        <Border.Effect>
                            <DropShadowEffect ShadowDepth="1" BlurRadius="8" Opacity="0.08" Color="Black"/>
                        </Border.Effect>
                        <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="Center"/>
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsMouseOver" Value="True">
                            <Setter TargetName="border" Property="BorderBrush" Value="{StaticResource AccentBrush}"/>
                            <Setter TargetName="border" Property="Background" Value="#FAFCFF"/>
                        </Trigger>
                        <Trigger Property="IsPressed" Value="True">
                            <Setter TargetName="border" Property="Background" Value="#F0F4FA"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

</ResourceDictionary>