trello_fake/app/tareas/[id]/loading.tsx

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

export default function TaskDetailLoading() {
  return (
    <div className="flex flex-col min-h-screen">
      {/* Header skeleton */}
      <div className="border-b bg-card">
        <div className="px-6 py-4">
          {/* Breadcrumb */}
          <div className="flex items-center gap-2 mb-4">
            <Skeleton className="h-4 w-16" />
            <Skeleton className="h-4 w-4" />
            <Skeleton className="h-4 w-20" />
            <Skeleton className="h-4 w-4" />
            <Skeleton className="h-4 w-24" />
          </div>

          {/* Header principal */}
          <div className="flex items-start justify-between gap-4">
            <div className="space-y-3 flex-1">
              <div className="flex items-center gap-3">
                <Skeleton className="h-8 w-64" />
                <Skeleton className="h-6 w-20" />
                <Skeleton className="h-6 w-16" />
              </div>
              <div className="flex items-center gap-4">
                <Skeleton className="h-4 w-28" />
                <Skeleton className="h-4 w-40" />
              </div>
            </div>
            <div className="flex items-center gap-2">
              <Skeleton className="h-9 w-24" />
              <Skeleton className="h-9 w-9" />
            </div>
          </div>
        </div>
      </div>

      {/* Contenido */}
      <div className="flex-1 p-6 space-y-6">
        {/* Stats skeleton */}
        <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-4">
          {Array.from({ length: 4 }).map((_, i) => (
            <Card key={i}>
              <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
                <Skeleton className="h-4 w-20" />
                <Skeleton className="h-4 w-4" />
              </CardHeader>
              <CardContent>
                <Skeleton className="h-8 w-16 mb-2" />
                <Skeleton className="h-2 w-full mb-2" />
                <Skeleton className="h-3 w-24" />
              </CardContent>
            </Card>
          ))}
        </div>

        {/* Info skeleton */}
        <div className="grid gap-6 lg:grid-cols-2">
          {/* Descripción */}
          <Card className="lg:col-span-2">
            <CardHeader>
              <Skeleton className="h-6 w-32" />
            </CardHeader>
            <CardContent>
              <div className="space-y-2">
                <Skeleton className="h-4 w-full" />
                <Skeleton className="h-4 w-3/4" />
                <Skeleton className="h-4 w-1/2" />
              </div>
            </CardContent>
          </Card>

          {/* Info General */}
          <Card>
            <CardHeader>
              <Skeleton className="h-6 w-40" />
              <Skeleton className="h-4 w-48" />
            </CardHeader>
            <CardContent className="space-y-4">
              {Array.from({ length: 5 }).map((_, i) => (
                <div key={i} className="flex items-start gap-3">
                  <Skeleton className="h-8 w-8 rounded-lg" />
                  <div className="flex-1">
                    <Skeleton className="h-3 w-16 mb-1" />
                    <Skeleton className="h-4 w-32" />
                  </div>
                </div>
              ))}
            </CardContent>
          </Card>

          {/* Fechas y Tiempos */}
          <Card>
            <CardHeader>
              <Skeleton className="h-6 w-36" />
              <Skeleton className="h-4 w-40" />
            </CardHeader>
            <CardContent className="space-y-4">
              {Array.from({ length: 6 }).map((_, i) => (
                <div key={i} className="flex items-start gap-3">
                  <Skeleton className="h-8 w-8 rounded-lg" />
                  <div className="flex-1">
                    <Skeleton className="h-3 w-20 mb-1" />
                    <Skeleton className="h-4 w-36" />
                  </div>
                </div>
              ))}
            </CardContent>
          </Card>
        </div>
      </div>
    </div>
  );
}