Module Update

src/app/(dashboard)/teacher/textbooks/loading.tsx

@@ -0,0 +1,48 @@
+import { Skeleton } from "@/shared/components/ui/skeleton";
+import { Card, CardContent, CardFooter, CardHeader } from "@/shared/components/ui/card";
+
+export default function Loading() {
+  return (
+    <div className="space-y-6">
+      {/* Header Skeleton */}
+      <div className="flex flex-col gap-4 md:flex-row md:items-center md:justify-between">
+        <div className="space-y-2">
+          <Skeleton className="h-8 w-48" />
+          <Skeleton className="h-4 w-96" />
+        </div>
+        <Skeleton className="h-10 w-32" />
+      </div>
+
+      {/* Toolbar Skeleton */}
+      <div className="flex flex-col gap-4 md:flex-row md:items-center justify-between bg-card p-4 rounded-lg border shadow-sm">
+        <Skeleton className="h-10 w-full md:w-96" />
+        <div className="flex gap-2 w-full md:w-auto">
+          <Skeleton className="h-10 w-[140px]" />
+          <Skeleton className="h-10 w-[140px]" />
+        </div>
+      </div>
+
+      {/* Grid Content Skeleton */}
+      <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-6">
+        {Array.from({ length: 8 }).map((_, i) => (
+          <Card key={i} className="h-full overflow-hidden">
+            <div className="aspect-[4/3] w-full bg-muted/30 p-6 flex items-center justify-center">
+              <Skeleton className="h-24 w-20 rounded-sm" />
+            </div>
+            <CardHeader className="p-4 pb-2 space-y-2">
+              <Skeleton className="h-5 w-16" />
+              <Skeleton className="h-6 w-full" />
+            </CardHeader>
+            <CardContent className="p-4 pt-0 space-y-2">
+               <Skeleton className="h-4 w-24" />
+               <Skeleton className="h-4 w-32" />
+            </CardContent>
+            <CardFooter className="p-4 pt-0 mt-auto">
+               <Skeleton className="h-6 w-full rounded-md" />
+            </CardFooter>
+          </Card>
+        ))}
+      </div>
+    </div>
+  );
+}