BillTracker/client/components/layout/Layout.jsx

import { Link, Outlet } from 'react-router-dom';
import AppNavigation from './Sidebar';

export default function Layout({ mainContentId }) {
  return (
    <div className="min-h-screen bg-[radial-gradient(circle_at_top_left,oklch(var(--primary)/0.10),transparent_34rem),linear-gradient(180deg,oklch(var(--background)),oklch(var(--muted)/0.28))] text-foreground"
      role="main"
      aria-labelledby={mainContentId}
    >
      <AppNavigation mainContentId={mainContentId} />

      <main className="w-full">
        <div className="mx-auto w-full max-w-[1500px] px-4 py-6 sm:px-6 lg:px-8 lg:py-8"
          id={mainContentId}
        >
          <Outlet />
        </div>
      </main>
      <footer className="mx-auto flex w-full max-w-[1500px] flex-wrap items-center justify-center gap-x-4 gap-y-2 px-4 pb-6 text-xs text-muted-foreground sm:px-6 lg:px-8"
        aria-label="Footer"
      >
        <Link to="/about" className="underline-offset-4 hover:text-foreground hover:underline">About</Link>
        <Link to="/release-notes" className="underline-offset-4 hover:text-foreground hover:underline">Release Notes</Link>
      </footer>
    </div>
  );
}