Merge version_2 into main

Merge version_2 into main

src/app/page.tsx

@@ -17,7 +17,6 @@ export default function LandingPage() {
 
   const applyTheme = useCallback((theme: string) => {
     const isDarkTheme = theme === 'dark';
-    setIsDark(isDarkTheme);
 
     if (isDarkTheme) {
       document.documentElement.classList.add('dark');
@@ -46,11 +45,11 @@ export default function LandingPage() {
     }
 
     localStorage.setItem('theme', theme);
+    setIsDark(isDarkTheme);
   }, []);
 
   useEffect(() => {
     const theme = localStorage.getItem('theme') || 'light';
-    setIsDark(theme === 'dark');
     applyTheme(theme);
     setMounted(true);
   }, [applyTheme]);