.spinner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .spinner-circle {
    transform-origin: center;
    animation: spinner-circle-animate 1s step-start infinite;
  }
  rect {
    fill: var(--ds-gray-900);
  }
  @keyframes spinner-circle-animate {
    0%   { transform: rotate(0); }
    10%  { transform: rotate(36deg); }
    20%  { transform: rotate(72deg); }
    30%  { transform: rotate(108deg); }
    40%  { transform: rotate(144deg); }
    50%  { transform: rotate(180deg); }
    60%  { transform: rotate(216deg); }
    70%  { transform: rotate(252deg); }
    80%  { transform: rotate(288deg); }
    90%  { transform: rotate(324deg); }
    to   { transform: rotate(360deg); }
  }
  :root {
    --ds-gray-900: hsla(0, 0%, 40%, 1);
    --ds-gray-alpha-1000: hsla(0, 0%, 0%, 0.91);
    --background-color: hsla(0, 0%, 100%, 1);
  }
  @media (prefers-color-scheme: dark) {
    :root {
      --ds-gray-900: hsla(0, 0%, 63%, 1);
      --ds-gray-alpha-1000: hsla(0, 0%, 100%, 0.92);
      --background-color: hsla(0, 0%, 4%, 1);
    }
  }
  html { box-sizing: border-box; }
  *, *:after, *:before { box-sizing: inherit; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Noto Sans, Helvetica, Arial, sans-serif,
      "Apple Color Emoji", "Segoe UI Emoji";
    font-size: 1.2rem;
    line-height: 1.65;
    word-break: break-word;
    margin: 0;
    background-color: var(--background-color);
    color: var(--ds-gray-900);
    height: 100vh;
    max-height: 100vh;
  }
  .container {
    display: flex;
    justify-content: center;
    flex-direction: column;
    min-height: 100%;
  }
  #root { display: flex; }
  main {
    max-width: 80rem;
    padding: 4rem 6rem;
    margin: auto;
  }
  #header-text {
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 32px;
    text-align: center;
  }
  footer {
    font-size: 0.75rem;
    padding-bottom: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 200;
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
  }
  footer div {
    display: flex;
    flex-direction: row;
    gap: 3px;
  }
  @media (max-width: 600px) {
    body { height: 100dvh; max-height: 100dvh; }
    main { padding: 1rem 2rem; }
    body { font-size: 1.4rem; text-align: center; }
    footer {
      flex-direction: column;
      text-align: center;
      padding: 24px 12px;
    }
    footer p { margin: 6px auto; }
    footer div { flex-direction: column; gap: 0; }
  }
  #kiwiframe {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    border: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    z-index: 1;
  }