MOPC-Portal/src/app/(observer)/observer/loading.tsx

import { Skeleton } from '@/components/ui/skeleton'
import { Card, CardContent, CardHeader } from '@/components/ui/card'

export default function ObserverLoading() {
  return (
    <div className="space-y-6">
      {/* Header */}
      <div className="flex items-center justify-between">
        <div>
          <Skeleton className="h-8 w-48" />
          <Skeleton className="mt-2 h-4 w-32" />
        </div>
        <Skeleton className="h-10 w-[200px]" />
      </div>

      {/* 6 stat tiles */}
      <div className="grid gap-4 grid-cols-2 md:grid-cols-3 lg:grid-cols-6">
        {[...Array(6)].map((_, i) => (
          <Card key={i}>
            <CardContent className="p-4">
              <div className="space-y-2">
                <Skeleton className="h-4 w-16" />
                <Skeleton className="h-8 w-12" />
                <Skeleton className="h-3 w-20" />
              </div>
            </CardContent>
          </Card>
        ))}
      </div>

      {/* Pipeline */}
      <Card>
        <CardHeader>
          <Skeleton className="h-5 w-32" />
        </CardHeader>
        <CardContent>
          <div className="flex gap-4 overflow-hidden">
            {[...Array(4)].map((_, i) => (
              <Skeleton key={i} className="h-24 w-48 shrink-0 rounded-lg" />
            ))}
          </div>
        </CardContent>
      </Card>

      {/* 3-col middle row */}
      <div className="grid gap-4 lg:grid-cols-3">
        {[...Array(3)].map((_, i) => (
          <Card key={i}>
            <CardHeader>
              <Skeleton className="h-5 w-28" />
            </CardHeader>
            <CardContent>
              <Skeleton className="h-[200px] w-full" />
            </CardContent>
          </Card>
        ))}
      </div>

      {/* 2-col bottom row */}
      <div className="grid gap-4 lg:grid-cols-2">
        <Card>
          <CardHeader>
            <Skeleton className="h-5 w-32" />
          </CardHeader>
          <CardContent className="space-y-2">
            {[...Array(5)].map((_, i) => (
              <Skeleton key={i} className="h-10 w-full" />
            ))}
          </CardContent>
        </Card>
        <Card>
          <CardHeader>
            <Skeleton className="h-5 w-28" />
          </CardHeader>
          <CardContent className="space-y-3">
            {[...Array(5)].map((_, i) => (
              <div key={i} className="flex items-center gap-3">
                <Skeleton className="h-3 w-3 rounded-full" />
                <Skeleton className="h-4 flex-1" />
                <Skeleton className="h-3 w-16" />
              </div>
            ))}
          </CardContent>
        </Card>
      </div>
    </div>
  )
}