图表组件

<div class="bg-white dark:bg-gray-800 rounded-lg shadow p-4">
  <h2 class="text-lg font-semibold text-gray-800 dark:text-white mb-4">Sales Overview</h2>
  <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
    <div class="flex items-center justify-between">
      <div class="text-sm text-gray-500 dark:text-gray-300">Revenue</div>
      <div class="text-lg font-bold text-green-500">$12,450</div>
    </div>
    <div class="flex items-center justify-between">
      <div class="text-sm text-gray-500 dark:text-gray-300">Profit</div>
      <div class="text-lg font-bold text-blue-500">$5,600</div>
    </div>
  </div>
  <div class="mt-4">
    <div class="w-full h-32 bg-gray-200 dark:bg-gray-700 rounded-lg"></div>
  </div>
</div>