<button
  class="theme-toggle"
  type="button"
  aria-label="Toggle theme"
  title="Toggle theme"
>
  <svg
    class="theme-icon theme-icon-moon"
    xmlns="http://www.w3.org/2000/svg"
    width="20"
    height="20"
    viewBox="0 0 24 24"
    fill="none"
    stroke="currentColor"
    stroke-width="2"
    stroke-linecap="round"
    stroke-linejoin="round"
    aria-hidden="true"
  >
    <path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z"></path>
  </svg>
  <svg
    class="theme-icon theme-icon-sun"
    xmlns="http://www.w3.org/2000/svg"
    width="20"
    height="20"
    viewBox="0 0 24 24"
    fill="none"
    stroke="currentColor"
    stroke-width="2"
    stroke-linecap="round"
    stroke-linejoin="round"
    aria-hidden="true"
  >
    <circle cx="12" cy="12" r="5"></circle>
    <line x1="12" y1="1" x2="12" y2="3"></line>
    <line x1="12" y1="21" x2="12" y2="23"></line>
    <line x1="4.22" y1="4.22" x2="5.64" y2="5.64"></line>
    <line x1="18.36" y1="18.36" x2="19.78" y2="19.78"></line>
    <line x1="1" y1="12" x2="3" y2="12"></line>
    <line x1="21" y1="12" x2="23" y2="12"></line>
    <line x1="4.22" y1="19.78" x2="5.64" y2="18.36"></line>
    <line x1="18.36" y1="5.64" x2="19.78" y2="4.22"></line>
  </svg>
</button>
