Add additional assets for Article Extractor Button for when the app is inactive.

Mac/AppAssets.swift

@@ -50,6 +50,14 @@ struct AppAssets {
 		return RSImage(named: "articleExtractorError")
 	}()
 	
+	static var articleExtractorInactiveDark: RSImage! = {
+		return RSImage(named: "articleExtractorInactiveDark")
+	}()
+	
+	static var articleExtractorInactiveLight: RSImage! = {
+		return RSImage(named: "articleExtractorInactiveLight")
+	}()
+	
 	static var articleExtractorProgress1: RSImage! = {
 		return RSImage(named: "articleExtractorProgress1")
 	}()

Mac/MainWindow/ArticleExtractorButton.swift

@@ -59,7 +59,15 @@ class ArticleExtractorButton: NSButton {
 		case isInProgress:
 			addAnimatedSublayer(to: hostedLayer)
 		default:
-			addImageSublayer(to: hostedLayer, image: AppAssets.articleExtractor, opacity: opacity)
+			if NSApplication.shared.isActive {
+				addImageSublayer(to: hostedLayer, image: AppAssets.articleExtractor, opacity: opacity)
+			} else {
+				if NSApplication.shared.effectiveAppearance.isDarkMode {
+					addImageSublayer(to: hostedLayer, image: AppAssets.articleExtractorInactiveDark, opacity: opacity)
+				} else {
+					addImageSublayer(to: hostedLayer, image: AppAssets.articleExtractorInactiveLight, opacity: opacity)
+				}
+			}
 		}
 	}
 	

Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/Contents.json

@@ -0,0 +1,12 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "ArticleExtractorInactiveDark.pdf"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/Contents.json

@@ -0,0 +1,12 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "ArticleExtractorInactiveLight.pdf"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}