diff --git a/js/script.js b/js/script.js
index a879f89..ba63ba7 100644
--- a/js/script.js
+++ b/js/script.js
@@ -84,16 +84,17 @@ document.addEventListener("DOMContentLoaded", () => {
 
     if (!themeButton) return;
 
-    // gespeicherten Zustand laden
+    const root = document.documentElement;
+
     if (localStorage.getItem("theme") === "light") {
-        document.documentElement.classList.add("light-mode");
+        root.classList.add("light-mode");
         themeButton.textContent = "🌙 Dark Mode";
     }
 
     themeButton.addEventListener("click", () => {
-        document.documentElement.classList.toggle("light-mode");
+        root.classList.toggle("light-mode");
 
-        if (document.documentElement.classList.contains("light-mode")) {
+        if (root.classList.contains("light-mode")) {
             localStorage.setItem("theme", "light");
             themeButton.textContent = "🌙 Dark Mode";
         } else {