Harden CMS security and theme contrast

src/components/home/guest-view.tsx

@@ -156,7 +156,7 @@ export default async function GuestView() {
           </div>
           <div className="p-4">
             {articles.length === 0 ? (
-              <p className="py-8 text-center" style={{ color: "var(--color-text-muted)" }}>
+              <p className="py-8 text-center" style={{ color: "var(--color-text-muted-readable, var(--color-text-muted))" }}>
                 {t("noArticles")}
               </p>
             ) : (