diff --git a/Yattee/Services/Navigation/NavigationDestination.swift b/Yattee/Services/Navigation/NavigationDestination.swift
index adc69dc7..8d0cfd42 100644
--- a/Yattee/Services/Navigation/NavigationDestination.swift
+++ b/Yattee/Services/Navigation/NavigationDestination.swift
@@ -184,13 +184,17 @@ private struct MediaSourceByIDView: View {
 struct NavigationDestinationHandlerModifier: ViewModifier {
     func body(content: Content) -> some View {
         content
+            .opaqueWindowBackground()
             .navigationDestination(for: NavigationDestination.self) { destination in
-                if let transitionID = destination.transitionID {
-                    destination.view()
-                        .zoomTransitionDestination(id: transitionID)
-                } else {
-                    destination.view()
+                Group {
+                    if let transitionID = destination.transitionID {
+                        destination.view()
+                            .zoomTransitionDestination(id: transitionID)
+                    } else {
+                        destination.view()
+                    }
                 }
+                .opaqueWindowBackground()
             }
     }
 }
diff --git a/Yattee/Views/Components/OpaqueWindowBackground.swift b/Yattee/Views/Components/OpaqueWindowBackground.swift
new file mode 100644
index 00000000..c2fe528e
--- /dev/null
+++ b/Yattee/Views/Components/OpaqueWindowBackground.swift
@@ -0,0 +1,33 @@
+//
+//  OpaqueWindowBackground.swift
+//  Yattee
+//
+//  Unified opaque background for main content views on macOS.
+//
+
+import SwiftUI
+
+/// Applies an opaque window background on macOS.
+///
+/// Without an explicit background, content sits on the translucent window
+/// material, which picks up a wallpaper tint (often bluish in dark mode) and
+/// clashes with views that draw `windowBackgroundColor` themselves (lists,
+/// gradient fades). No-op on other platforms.
+struct OpaqueWindowBackgroundModifier: ViewModifier {
+    func body(content: Content) -> some View {
+        #if os(macOS)
+        content
+            .background(Color(nsColor: .windowBackgroundColor).ignoresSafeArea())
+        #else
+        content
+        #endif
+    }
+}
+
+extension View {
+    /// Gives the view an opaque window background on macOS so all main content
+    /// views share the same background color. No-op on iOS/tvOS.
+    func opaqueWindowBackground() -> some View {
+        modifier(OpaqueWindowBackgroundModifier())
+    }
+}
diff --git a/Yattee/Views/Video/VideoInfoView.swift b/Yattee/Views/Video/VideoInfoView.swift
index 985bba6f..f1a63e80 100644
--- a/Yattee/Views/Video/VideoInfoView.swift
+++ b/Yattee/Views/Video/VideoInfoView.swift
@@ -259,6 +259,9 @@ struct VideoInfoView: View {
                 videoContent
             }
         }
+        // Opaque background so the header gradient (which fades to windowBackgroundColor)
+        // blends seamlessly even when presented outside a navigation stack.
+        .opaqueWindowBackground()
         .task {
             await loadInitialVideoIfNeeded()
         }