:root {
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.card {
  background: #ffffff;
  padding: 3rem 3.5rem;
  border-radius: 1rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  text-align: center;
  max-width: 28rem;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: 2.25rem;
  color: #1f2937;
}

p {
  margin: 0;
  color: #4b5563;
  font-size: 1.05rem;
  line-height: 1.5;
}

p + p {
  margin-top: 0.75rem;
}

.link {
  color: #6366f1;
  font-weight: 600;
  text-decoration: none;
}

.link:hover {
  text-decoration: underline;
}