Move balance card below Activity block in admin dashboard

src/app/admin/dashboard/page.tsx

@@ -62,7 +62,7 @@ export default async function AdminDashboard() {
       </p>
 
       {/* Stats grid */}
-      <div className="grid grid-cols-2 lg:grid-cols-5 gap-4 mb-8">
+      <div className="grid grid-cols-2 md:grid-cols-4 gap-4 mb-8">
         <StatCard
           label="Студентов"
           value={totalStudents}
@@ -89,12 +89,6 @@ export default async function AdminDashboard() {
           subAccent={homeworkPending > 0}
           href="/curator/homework"
         />
-        <StatCard
-          label="На балансах"
-          value={totalBalance.toLocaleString("ru-RU", { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + " ₽"}
-          sub="сумма по всем пользователям"
-          href="/admin/users"
-        />
       </div>
 
       <div className="grid md:grid-cols-2 gap-6">
@@ -175,6 +169,16 @@ export default async function AdminDashboard() {
               </div>
             </div>
           </div>
+
+          <div className="card-aubade p-5">
+            <p className="text-xs font-bold uppercase tracking-widest mb-3" style={{ color: "var(--muted-foreground)" }}>
+              На балансах
+            </p>
+            <p className="text-3xl font-bold">
+              {totalBalance.toLocaleString("ru-RU", { minimumFractionDigits: 2, maximumFractionDigits: 2 })} ₽
+            </p>
+            <p className="text-xs mt-0.5" style={{ color: "var(--muted-foreground)" }}>сумма по всем пользователям</p>
+          </div>
         </div>
       </div>
     </div>