Packages: Manage button uses a neutral secondary style

Author: dooly123

src/BasisPM.App/Styles/BasisTheme.axaml

@@ -216,6 +216,27 @@
         <Setter Property="TextElement.Foreground" Value="#FFFFFF"/>
     </Style>
 
+    <!-- Secondary action: a calm, filled neutral button for already-handled states such as the
+         "Manage" menu on an installed package. Has the presence of a primary button without the
+         brand-red that reads as either the main CTA or a destructive action. -->
+    <Style Selector="Button.secondary">
+        <Setter Property="Background" Value="{StaticResource BasisSurfaceBrush}"/>
+        <Setter Property="Foreground" Value="{StaticResource BasisTextPrimaryBrush}"/>
+        <Setter Property="BorderBrush" Value="{StaticResource BasisBorderStrongBrush}"/>
+    </Style>
+
+    <Style Selector="Button.secondary:pointerover /template/ ContentPresenter">
+        <Setter Property="Background" Value="{StaticResource BasisSurfaceHoverBrush}"/>
+        <Setter Property="BorderBrush" Value="{StaticResource BasisBrandBrush}"/>
+        <Setter Property="TextElement.Foreground" Value="{StaticResource BasisTextPrimaryBrush}"/>
+    </Style>
+
+    <Style Selector="Button.secondary:pressed /template/ ContentPresenter">
+        <Setter Property="Background" Value="{StaticResource BasisSurfaceMutedBrush}"/>
+        <Setter Property="BorderBrush" Value="{StaticResource BasisBrandBrush}"/>
+        <Setter Property="TextElement.Foreground" Value="{StaticResource BasisTextPrimaryBrush}"/>
+    </Style>
+
     <Style Selector="Button.cta">
         <Setter Property="Background" Value="{StaticResource BasisBrandGradient}"/>
         <Setter Property="Foreground" Value="#FFFFFF"/>

src/BasisPM.App/Views/PackagesView.axaml

@@ -113,7 +113,7 @@
                                                             IsVisible="{Binding !IsInstalled}"
                                                             Command="{Binding #Root.((vm:PackagesViewModel)DataContext).InstallCommand}"
                                                             CommandParameter="{Binding Entry}"/>
-                                                    <Button Content="{loc:Tr packages.button.manage}" Classes="primary" HorizontalAlignment="Stretch"
+                                                    <Button Content="{loc:Tr packages.button.manage}" Classes="secondary" HorizontalAlignment="Stretch"
                                                             IsVisible="{Binding IsInstalled}" Click="OnManageClick"/>
                                                 </StackPanel>
                                             </Grid>
@@ -166,7 +166,7 @@
                                                         IsVisible="{Binding !IsInstalled}"
                                                         Command="{Binding #Root.((vm:PackagesViewModel)DataContext).InstallCommand}"
                                                         CommandParameter="{Binding Entry}"/>
-                                                <Button Content="{loc:Tr packages.button.manage}" Classes="primary" HorizontalAlignment="Stretch"
+                                                <Button Content="{loc:Tr packages.button.manage}" Classes="secondary" HorizontalAlignment="Stretch"
                                                         IsVisible="{Binding IsInstalled}" Click="OnManageClick"/>
                                             </StackPanel>
                                         </Border>