diff --git a/Sources/App/RootView.swift b/Sources/App/RootView.swift
index c8aeced..8bd0775 100644
--- a/Sources/App/RootView.swift
+++ b/Sources/App/RootView.swift
@@ -30,6 +30,15 @@ struct RootView: View {
                 .tabItem { Label("Konto", systemImage: "person.circle") }
                 .tag(AppTab.account)
         }
+        // Mac-Window-Hintergrund auf Paper-Theme setzen, damit der
+        // TabBar-/Title-Bar-Bereich oben nicht mit dem System-Grau
+        // gegen das Paper-Theme ausreißt. `windowToolbar`-Placement
+        // ist macOS-only.
+        .background(ZitareTheme.background.ignoresSafeArea())
+        #if os(macOS)
+            .toolbarBackground(ZitareTheme.background, for: .windowToolbar)
+            .toolbarBackground(.visible, for: .windowToolbar)
+        #endif
         .task {
             await probeHealth()
         }
diff --git a/Sources/Features/Account/AccountView.swift b/Sources/Features/Account/AccountView.swift
index 6f5c03d..4671297 100644
--- a/Sources/Features/Account/AccountView.swift
+++ b/Sources/Features/Account/AccountView.swift
@@ -26,10 +26,15 @@ struct AccountView: View {
     }
 
     private var header: some View {
-        VStack(spacing: 8) {
-            Image(systemName: "quote.opening")
-                .font(.system(size: 48))
+        VStack(spacing: 12) {
+            // Eigenes Anführungszeichen-Glyph in der gleichen Variante
+            // wie das App-Icon — sienna auf transparentem Hintergrund,
+            // serif. SF-Symbol "quote.opening" rendert zwei Glyphen
+            // asymmetrisch nebeneinander, das wirkt unsauber.
+            Text(verbatim: "\u{201C}")
+                .font(.custom("Georgia-Bold", size: 96))
                 .foregroundStyle(ZitareTheme.primary)
+                .frame(height: 64, alignment: .top)
             Text("Zitare")
                 .font(.largeTitle)
                 .fontWeight(.semibold)
diff --git a/Sources/Features/WebShell/WebShellView.swift b/Sources/Features/WebShell/WebShellView.swift
index 30ff0b1..e124765 100644
--- a/Sources/Features/WebShell/WebShellView.swift
+++ b/Sources/Features/WebShell/WebShellView.swift
@@ -33,6 +33,7 @@ struct WebShellView: View {
                     navState: navState,
                     openURL: openURL
                 )
+                .frame(maxWidth: .infinity, maxHeight: .infinity)
                 .background(ZitareTheme.background)
             #elseif canImport(AppKit)
                 MacWebViewRepresentable(
@@ -40,12 +41,14 @@ struct WebShellView: View {
                     navState: navState,
                     openURL: openURL
                 )
+                .frame(maxWidth: .infinity, maxHeight: .infinity)
                 .background(ZitareTheme.background)
             #endif
             if let error = navState.lastError {
                 errorBar(error)
             }
         }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
     }
 
     private func errorBar(_ message: String) -> some View {