:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.shell {
  width: min(28rem, calc(100vw - 3rem));
  padding: 2rem;
  border: 1px solid #334155;
  border-radius: 1rem;
  background: #111827;
  box-shadow: 0 1.5rem 4rem rgb(0 0 0 / 25%);
}

h1 {
  margin: 1rem 0 0.5rem;
  font-size: 1.5rem;
}

p {
  margin: 0;
  color: #94a3b8;
}