public/error.vue

<script setup lang="ts">
import Default from "./layouts/default.vue";
</script>

<template>
  <Default>
    <main class="flex flex-col grow prose dark:prose-invert">
      <h1 class="mb-0">404 - Not Found</h1>
      <p>The page you are looking for cannot be found.</p>
    </main>
  </Default>
</template>