AHelp Tweaks 2 - Colored window header (#5337)

Co-authored-by: T <tomeno@lulzsec.co.uk>
Co-authored-by: Pieter-Jan Briers <pieterjan.briers+git@gmail.com>

Content.Client/Administration/UI/BwoinkWindow.xaml

@@ -1,6 +1,9 @@
 <SS14Window
     xmlns="https://spacestation14.io"
-    SetSize="400 200">
+    SetSize="400 200"
+    HeaderClass="windowHeaderAlert"
+    TitleClass="windowTitleAlert"
+    >
     <BoxContainer Orientation="Vertical">
         <OutputPanel Name="TextOutput" VerticalExpand="true" />
         <HistoryLineEdit Name="SenderLineEdit" />

Content.Client/Stylesheets/StyleNano.cs

@@ -130,6 +130,14 @@ namespace Content.Client.Stylesheets
                 ExpandMarginBottom = 3,
                 ContentMarginBottomOverride = 0
             };
+            var windowHeaderAlertTex = resCache.GetTexture("/Textures/Interface/Nano/window_header_alert.png");
+            var windowHeaderAlert = new StyleBoxTexture
+            {
+                Texture = windowHeaderAlertTex,
+                PatchMarginBottom = 3,
+                ExpandMarginBottom = 3,
+                ContentMarginBottomOverride = 0
+            };
             var windowBackgroundTex = resCache.GetTexture("/Textures/Interface/Nano/window_background.png");
             var windowBackground = new StyleBoxTexture
             {
@@ -439,6 +447,14 @@ namespace Content.Client.Stylesheets
                         new StyleProperty(Label.StylePropertyFontColor, NanoGold),
                         new StyleProperty(Label.StylePropertyFont, notoSansDisplayBold14),
                     }),
+                // Alert (white) window title.
+                new StyleRule(
+                    new SelectorElement(typeof(Label), new[] {"windowTitleAlert"}, null, null),
+                    new[]
+                    {
+                        new StyleProperty(Label.StylePropertyFontColor, Color.White),
+                        new StyleProperty(Label.StylePropertyFont, notoSansDisplayBold14),
+                    }),
                 // Window background.
                 new StyleRule(
                     new SelectorElement(null, new[] {SS14Window.StyleClassWindowPanel}, null, null),
@@ -486,6 +502,13 @@ namespace Content.Client.Stylesheets
                     {
                         new StyleProperty(PanelContainer.StylePropertyPanel, windowHeader),
                     }),
+                // Alert (red) window header.
+                new StyleRule(
+                    new SelectorElement(typeof(PanelContainer), new[] {"windowHeaderAlert"}, null, null),
+                    new[]
+                    {
+                        new StyleProperty(PanelContainer.StylePropertyPanel, windowHeaderAlert),
+                    }),
 
                 // Shapes for the buttons.
                 Element<ContainerButton>().Class(ContainerButton.StyleClassButton)