hristudio/src/app/dashboard/page.tsx

import { Beaker, Plus, Users } from "lucide-react"
import Link from "next/link"
import { Button } from "~/components/ui/button"
import { Card, CardContent, CardHeader, CardTitle } from "~/components/ui/card"
import { PageContent } from "~/components/layout/page-content"
import { PageHeader } from "~/components/layout/page-header"

export default function DashboardPage() {
  return (
    <>
      <PageHeader 
        title="Dashboard"
        description="Welcome to your research platform."
      />
      <PageContent>
        <div className="grid gap-4 md:grid-cols-3">
          <Card>
            <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
              <CardTitle className="text-sm font-medium">Total Studies</CardTitle>
              <Beaker className="h-4 w-4 text-muted-foreground" />
            </CardHeader>
            <CardContent>
              <div className="text-2xl font-bold">0</div>
              <p className="text-xs text-muted-foreground">
                Active research studies
              </p>
            </CardContent>
          </Card>
          <Card>
            <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
              <CardTitle className="text-sm font-medium">Total Participants</CardTitle>
              <Users className="h-4 w-4 text-muted-foreground" />
            </CardHeader>
            <CardContent>
              <div className="text-2xl font-bold">0</div>
              <p className="text-xs text-muted-foreground">
                Across all studies
              </p>
            </CardContent>
          </Card>
          <Card>
            <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
              <CardTitle className="text-sm font-medium">Quick Actions</CardTitle>
            </CardHeader>
            <CardContent>
              <Button asChild variant="outline" className="w-full">
                <Link href="/dashboard/studies/new">
                  <Plus className="mr-2 h-4 w-4" />
                  Create New Study
                </Link>
              </Button>
            </CardContent>
          </Card>
        </div>
        <Card>
          <CardHeader>
            <CardTitle>Recent Activity</CardTitle>
          </CardHeader>
          <CardContent>
            <p className="text-sm text-muted-foreground">
              No recent activity to show.
            </p>
          </CardContent>
        </Card>
      </PageContent>
    </>
  )
}