:root {
  --bg: #0b0f14;
  --fg: #e6edf3;
  --accent: #35c46c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
  max-width: 42rem;
  padding: 3rem 2rem;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border: 1px solid #223;
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 0.5rem 0 0.25rem;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.1;
}

button {
  margin-top: 1.25rem;
  padding: 0.6rem 1.1rem;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #06220f;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.1);
}

pre {
  margin-top: 1rem;
  padding: 1rem;
  overflow: auto;
  border-radius: 8px;
  background: #111820;
  font-size: 0.85rem;
}