<div class="flex items-center justify-center h-full text-gray-400">
  <div class="text-center">
    <svg class="w-16 h-16 mx-auto mb-4 text-gray-300" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24">
      <path stroke-linecap="round" stroke-linejoin="round" d="M3 8.25V18a2.25 2.25 0 002.25 2.25h13.5A2.25 2.25 0 0021 18V8.25m-18 0V6a2.25 2.25 0 012.25-2.25h13.5A2.25 2.25 0 0121 6v2.25m-18 0h18M5.25 6h.008v.008H5.25V6zM7.5 6h.008v.008H7.5V6zm2.25 0h.008v.008H9.75V6z"/>
    </svg>
    <p class="text-lg font-medium">창 관리</p>
    <p class="text-sm mt-1">Phase 6에서 구현 예정입니다.</p>
  </div>
</div>
