import { Skeleton } from "@/components/ui/skeleton"

export default function TopicLoading() {
  return (
    <main className="min-h-screen bg-background">
      {/* Hero Section Skeleton */}
      <section className="bg-gradient-to-br from-primary/5 via-background to-accent/5 pt-0 pb-4 border-b border-border">
        <div className="container mx-auto px-4">
          <div className="max-w-3xl mx-auto text-center mb-4 mt-4">
            <Skeleton className="h-8 w-40 mx-auto rounded-full mb-6" />
            <Skeleton className="h-12 w-full max-w-2xl mx-auto mb-6" />
            <Skeleton className="h-6 w-full max-w-xl mx-auto mb-2" />
          </div>
        </div>
      </section>

      {/* Grid & Categories Section Skeleton */}
      <section className="py-4">
        <div className="container mx-auto px-4">
          {/* Categories inline */}
          <div className="flex items-center justify-center gap-3 overflow-x-auto pb-4 mb-4">
            {[1, 2, 3, 4].map((i) => (
              <Skeleton key={i} className="h-9 w-28 rounded-xl flex-shrink-0" />
            ))}
          </div>

          {/* Grid skeleton matching the actual card sizes */}
          <div className="grid md:grid-cols-2 lg:grid-cols-3 gap-5">
            {[1, 2, 3, 4, 5, 6].map((i) => (
              <div key={i} className="bg-card border border-border/50 rounded-2xl overflow-hidden flex flex-col">
                <Skeleton className="aspect-video w-full" />
                <div className="p-5 flex-grow flex flex-col">
                  <div className="flex items-center justify-between gap-3 mb-3">
                    <Skeleton className="h-5 w-20 rounded-md" />
                    <Skeleton className="h-4 w-16 rounded" />
                  </div>
                  <Skeleton className="h-6 w-full mb-2" />
                  <Skeleton className="h-4 w-5/6 mb-3" />
                  <div className="mt-auto pt-3 border-t border-border/30 flex items-center justify-between">
                    <Skeleton className="h-4 w-20" />
                    <Skeleton className="h-7 w-7 rounded-full" />
                  </div>
                </div>
              </div>
            ))}
          </div>
        </div>
      </section>
    </main>
  )
}