shadcn-ui/apps/www/app/docs/layout.tsx

import { docsConfig } from "@/config/docs"
import { DocsSidebarNav } from "@/components/sidebar-nav"
import { ScrollArea } from "@/components/ui/scroll-area"

interface DocsLayoutProps {
  children: React.ReactNode
}

export default function DocsLayout({ children }: DocsLayoutProps) {
  return (
    <div className="flex-1 items-start md:grid md:grid-cols-[220px_1fr] md:gap-6 lg:grid-cols-[240px_1fr] lg:gap-10">
      <aside className="fixed top-14 z-30 hidden h-[calc(100vh-3.5rem)] w-full shrink-0 overflow-y-auto border-r border-r-slate-100 dark:border-r-slate-700 md:sticky md:block">
        <ScrollArea className="pr-6 lg:py-10">
          <DocsSidebarNav items={docsConfig.sidebarNav} />
        </ScrollArea>
      </aside>
      {children}
    </div>
  )
}