new style

src/env.d.ts

@@ -7,4 +7,13 @@ type Runtime = import("@astrojs/cloudflare").Runtime<Env>;
 
 declare namespace App {
 	interface Locals extends Runtime {}
+}
+
+interface Window {
+  theme: {
+    setTheme: (theme: "auto" | "dark" | "light") => void;
+    getTheme: () => "auto" | "dark" | "light";
+    getSystemTheme: () => "light" | "dark";
+    getDefaultTheme: () => "auto" | "dark" | "light";
+  };
 }