Fix theme consistency, i18n completeness, CSS variable naming, and hardcoded strings

src/app/admin/radio/points/page.tsx

@@ -108,7 +108,7 @@ export default async function AdminRadioPointsPage({
       <section className="mt-6">
         <h2 className="admin-section-title">{t("pointsForm.settings")}</h2>
         <form action={savePoints}>
-          <div className="grid cols-2">
+          <div className="grid grid-cols-1 gap-4 md:grid-cols-2">
             <div>
               <label htmlFor="radio_points_enabled" style={{ display: "block", fontWeight: 700 }}>
                 {t("pointsForm.pointsEnabled")}