:root {
  color-scheme: light;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  background: #f4f6f8;
  color: #1b1f24;
}

main {
  max-width: 36rem;
  margin: 3rem auto;
  padding: 0 1.25rem 3rem;
}

.card {
  background: #fff;
  border-radius: 12px;
  padding: 1.75rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}