按钮组件

<div class="p-4 sm:p-6 md:p-8 bg-gray-100 dark:bg-gray-900 min-h-[200px] flex items-center justify-center font-sans">
  <div class="max-w-xl w-full mx-auto p-6 sm:p-8 md:p-10 bg-white dark:bg-gray-800 shadow-md rounded-lg border border-gray-200 dark:border-gray-700 leading-relaxed">
    <h2 class="text-2xl sm:text-3xl font-bold text-gray-800 dark:text-gray-100 mb-6 text-center tracking-tight leading-tight">
      Lesson Navigation
    </h2>
    <div class="flex flex-col sm:flex-row gap-4 sm:gap-6 justify-center">
      <button type="button" class="transition-all duration-300 ease-in-out
        flex-1 px-6 py-3 text-lg sm:text-xl font-semibold
        bg-white dark:bg-gray-700 text-gray-800 dark:text-gray-100
        border border-gray-300 dark:border-gray-600 rounded-md
        shadow-sm hover:shadow-md
        hover:bg-gray-50 dark:hover:bg-gray-600
        focus:outline-none focus:ring-2 focus:ring-gray-400 focus:ring-offset-2 focus:ring-offset-white dark:focus:ring-offset-gray-800
        active:bg-gray-100 dark:active:bg-gray-700/80
        whitespace-nowrap text-center
        relative group overflow-hidden">
        <span class="absolute inset-0 border-white dark:border-gray-800 border-2 rounded-md transform scale-105 group-hover:scale-100 transition-transform duration-300 ease-in-out opacity-0 group-hover:opacity-100"></span>
        Previous Lesson
      </button>
      <button type="button" class="transition-all duration-300 ease-in-out
        flex-1 px-6 py-3 text-lg sm:text-xl font-semibold
        bg-gray-800 dark:bg-gray-100 text-white dark:text-gray-900
        border border-gray-800 dark:border-gray-100 rounded-md
        shadow-md hover:shadow-lg
        hover:bg-gray-700 dark:hover:bg-gray-200
        focus:outline-none focus:ring-2 focus:ring-gray-500 focus:ring-offset-2 focus:ring-offset-white dark:focus:ring-offset-gray-800
        active:bg-gray-900 dark:active:bg-gray-300
        whitespace-nowrap text-center
        relative group overflow-hidden">
        <span class="absolute inset-0 border-gray-800 dark:border-gray-100 border-2 rounded-md transform scale-105 group-hover:scale-100 transition-transform duration-300 ease-in-out opacity-0 group-hover:opacity-100"></span>
        Next Lesson
      </button>
    </div>
    <div class="mt-6 sm:mt-8 text-center">
      <a href="#" class="inline-flex items-center text-base sm:text-lg font-medium text-gray-600 dark:text-gray-400 hover:text-gray-800 dark:hover:text-gray-200 transition-colors duration-200">
        <svg class="w-5 h-5 mr-2 -ml-1" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 6h16M4 12h16M4 18h16"></path>
        </svg>
        View All Lessons
      </a>
    </div>
  </div>
</div>