performance improvments

apps/admin/src/components/ui/skeleton.tsx

@@ -0,0 +1,57 @@
+import { cn } from "@/lib/utils";
+
+interface SkeletonProps {
+  className?: string;
+}
+
+export function Skeleton({ className }: SkeletonProps) {
+  return (
+    <div
+      className={cn(
+        "animate-pulse rounded-md bg-slate-200 dark:bg-slate-700",
+        className,
+      )}
+    />
+  );
+}
+
+export function StatsCardSkeleton() {
+  return (
+    <div className="bg-white rounded-xl shadow-sm border border-slate-100 p-6">
+      <div className="flex items-center gap-4">
+        <Skeleton className="h-12 w-12 rounded-full" />
+        <div className="flex-1 space-y-2">
+          <Skeleton className="h-4 w-20" />
+          <Skeleton className="h-8 w-16" />
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export function TableSkeleton({ rows = 5 }: { rows?: number }) {
+  return (
+    <div className="space-y-3">
+      {Array.from({ length: rows }).map((_, i) => (
+        <div key={i} className="flex gap-4">
+          <Skeleton className="h-12 flex-1" />
+          <Skeleton className="h-12 w-32" />
+          <Skeleton className="h-12 w-24" />
+        </div>
+      ))}
+    </div>
+  );
+}
+
+export function CardSkeleton() {
+  return (
+    <div className="bg-white rounded-xl shadow-sm border border-slate-100 p-6 space-y-4">
+      <Skeleton className="h-6 w-40" />
+      <div className="space-y-2">
+        <Skeleton className="h-4 w-full" />
+        <Skeleton className="h-4 w-3/4" />
+        <Skeleton className="h-4 w-5/6" />
+      </div>
+    </div>
+  );
+}