*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }

#root:empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: #fff;
}

#root:empty::after {
  content: '';
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  border: 2px solid #e2e8f0;
  border-top-color: #020617;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}