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

src/app/admin/commandocentrum/page.tsx

@@ -141,7 +141,7 @@ export default async function CommandoCentrum() {
       </section>
 
       {/* ── Server info + diagnostics ──────────────────────────── */}
-      <div className="grid cols-2">
+      <div className="grid grid-cols-1 gap-4 md:grid-cols-2">
         <section className="admin-card p-5">
           <h2 className="admin-section-title">{t("serverInfo")}</h2>
           <div className="grid grid-cols-[repeat(auto-fit,minmax(150px,1fr))] gap-2.5">