Harden CMS security and theme contrast

src/components/language-switcher.tsx

@@ -70,7 +70,7 @@ export function LanguageSwitcher() {
                 l.code === locale ? "opacity-100" : "opacity-70 hover:opacity-100"
               }`}
               style={{
-                color: "var(--color-text)",
+                color: "var(--color-text-readable, var(--color-text))",
                 background: "none",
                 border: "none",
                 cursor: "pointer",