:root {
  color-scheme: light;
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at top, #f7fbff 0%, #e8f0f8 45%, #dce7f2 100%);
  color: #142033;
}

main {
  width: min(680px, 92vw);
  background: #ffffff;
  border: 1px solid #d3deea;
  border-radius: 14px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(27, 52, 85, 0.08);
}

h1 {
  margin-top: 0;
}

code {
  background: #eef3f8;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}