:root {
  --fg: #1b2420;
  --muted: #5b6660;
  --accent: #2f6b3f;
  --bg: #fbfaf6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8ece9;
    --muted: #a3ada7;
    --accent: #8cc79c;
    --bg: #121614;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background: var(--bg);
  color: var(--fg);
  font: 1.125rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main { max-width: 36rem; }

h1 { font-size: 2.5rem; margin: 0 0 1rem; letter-spacing: -0.02em; }

a { color: var(--accent); }

.muted { color: var(--muted); }