diff --git a/Onyx.xcodeproj/project.pbxproj b/Onyx.xcodeproj/project.pbxproj
index 79314d1..d7be5ca 100644
--- a/Onyx.xcodeproj/project.pbxproj
+++ b/Onyx.xcodeproj/project.pbxproj
@@ -20,9 +20,11 @@
 		C041F171FB69F4381309D978 /* AppModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = B83C4E3CB821F903F3977E88 /* AppModel.swift */; };
 		CD501EBAE39807F5D354C5B2 /* CalendarProvider in Frameworks */ = {isa = PBXBuildFile; productRef = A3E3949D664131D593CBEEDC /* CalendarProvider */; };
 		EA4D6312E8A96E177F10797F /* OnyxNotch in Frameworks */ = {isa = PBXBuildFile; productRef = 3A32CAE6CC4D01D660F0016F /* OnyxNotch */; };
+		FF97F56CE1C734E59F1B40F4 /* AppIcon.icon in Resources */ = {isa = PBXBuildFile; fileRef = 055263008CB3306A8D09E6D4 /* AppIcon.icon */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		055263008CB3306A8D09E6D4 /* AppIcon.icon */ = {isa = PBXFileReference; lastKnownFileType = wrapper.icon; path = AppIcon.icon; sourceTree = "<group>"; };
 		0804288DC4A8146DD9F3FC3E /* Onyx.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Onyx.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		45BD2DF1B775C733C8F75635 /* SettingsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsView.swift; sourceTree = "<group>"; };
 		508DECB5C05264E6130C373E /* Localizable.xcstrings */ = {isa = PBXFileReference; lastKnownFileType = text.json.xcstrings; path = Localizable.xcstrings; sourceTree = "<group>"; };
@@ -89,6 +91,7 @@
 			isa = PBXGroup;
 			children = (
 				0FBA13B97C53F1D0D740A633 /* Resources */,
+				055263008CB3306A8D09E6D4 /* AppIcon.icon */,
 				B83C4E3CB821F903F3977E88 /* AppModel.swift */,
 				50A018673EE6BD9C50F1EFA0 /* Info.plist */,
 				508DECB5C05264E6130C373E /* Localizable.xcstrings */,
@@ -173,6 +176,7 @@
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				FF97F56CE1C734E59F1B40F4 /* AppIcon.icon in Resources */,
 				A529046C33E6B00C0E9508FF /* Localizable.xcstrings in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -200,14 +204,11 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_ENTITLEMENTS = Onyx/Onyx.entitlements;
-				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				ENABLE_APP_SANDBOX = NO;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = Onyx/Info.plist;
-				INFOPLIST_KEY_CFBundleDisplayName = Onyx;
-				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.lifestyle";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/../Frameworks",
@@ -355,14 +356,11 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_ENTITLEMENTS = Onyx/Onyx.entitlements;
-				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				ENABLE_APP_SANDBOX = NO;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = Onyx/Info.plist;
-				INFOPLIST_KEY_CFBundleDisplayName = Onyx;
-				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.lifestyle";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/../Frameworks",
diff --git a/AppIcon.icon/Assets/quartz.svg b/Onyx/AppIcon.icon/Assets/quartz.svg
similarity index 100%
rename from AppIcon.icon/Assets/quartz.svg
rename to Onyx/AppIcon.icon/Assets/quartz.svg
diff --git a/AppIcon.icon/icon.json b/Onyx/AppIcon.icon/icon.json
similarity index 100%
rename from AppIcon.icon/icon.json
rename to Onyx/AppIcon.icon/icon.json
diff --git a/Onyx/OnyxApp.swift b/Onyx/OnyxApp.swift
index 4134699..c17d1f5 100644
--- a/Onyx/OnyxApp.swift
+++ b/Onyx/OnyxApp.swift
@@ -143,9 +143,7 @@ final class AppDelegate: NSObject, NSApplicationDelegate {
     private func installOnyxStatusItem() {
         let item = NSStatusBar.system.statusItem(withLength: NSStatusItem.squareLength)
         item.autosaveName = "onyx.menubar.main"
-        item.button?.image = NSImage(systemSymbolName: "circle.hexagongrid.fill",
-                                     accessibilityDescription: "Onyx")
-        item.button?.image?.isTemplate = true
+        item.button?.image = Self.menuBarIcon()
 
         let menu = NSMenu()
         menu.addItem(withTitle: String(localized: "menu.openPanel"),
@@ -161,6 +159,32 @@ final class AppDelegate: NSObject, NSApplicationDelegate {
         onyxItem = item
     }
 
+    /// Das App-Icon, auf Menüleistengröße gebracht.
+    ///
+    /// Bewusst **kein** Template-Bild: als Schablone bliebe von dem Kristall nur
+    /// eine schwarze Silhouette übrig, und der Verlauf — das Erkennungsmerkmal
+    /// des Icons — wäre weg. Der Preis dafür ist, dass es sich nicht automatisch
+    /// an helle und dunkle Menüleisten anpasst.
+    ///
+    /// 18 pt ist die übliche Höhe für Menüleistensymbole; die Leiste ist 22 pt
+    /// hoch und braucht oben und unten Luft.
+    private static func menuBarIcon() -> NSImage {
+        guard let source = NSApp.applicationIconImage else {
+            // Sollte nicht vorkommen, aber ein Menüleisteneintrag ohne Symbol
+            // wäre unsichtbar und die App damit unerreichbar.
+            return NSImage(systemSymbolName: "circle.hexagongrid.fill",
+                           accessibilityDescription: "Onyx") ?? NSImage()
+        }
+
+        let size = NSSize(width: 18, height: 18)
+        let image = NSImage(size: size, flipped: false) { rect in
+            source.draw(in: rect, from: .zero, operation: .sourceOver, fraction: 1)
+            return true
+        }
+        image.accessibilityDescription = "Onyx"
+        return image
+    }
+
     private func observeMenuBarPreference() {
         guard let model else { return }
         withObservationTracking {
diff --git a/project.yml b/project.yml
index 6cc47fa..16f3e6e 100644
--- a/project.yml
+++ b/project.yml
@@ -61,3 +61,6 @@ targets:
         ENABLE_APP_SANDBOX: NO
         ENABLE_USER_SCRIPT_SANDBOXING: NO
         COMBINE_HIDPI_IMAGES: YES
+        # Icon-Composer-Bündel (Onyx/AppIcon.icon). actool übernimmt daraus
+        # alle Größen und die Transluzenz-Darstellung von macOS 26.
+        ASSETCATALOG_COMPILER_APPICON_NAME: AppIcon