:root {
  --paper: #faf9f7;
  --ink: #23201d;
  --ink-2: #56504a;
  --coral: #e2664f;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1a1816;
    --ink: #ece8e3;
    --ink-2: #a8a099;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

main {
  max-width: 34rem;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  letter-spacing: -0.02em;
}

.lede {
  margin: 0 0 0.5rem;
  color: var(--ink-2);
}

.hint {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-2);
}

code {
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: color-mix(in srgb, var(--coral) 12%, transparent);
  color: var(--coral);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
}