:root {
  --bg: #fbfbfd;
  --fg: #1b1b1f;
  --muted: #5d5e66;
  --accent: #3f6fd8;
  --accent-fg: #ffffff;
  --card: #eef0f6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121316;
    --fg: #e4e4ea;
    --muted: #a3a4ad;
    --accent: #8fb0ff;
    --accent-fg: #0b1a3d;
    --card: #1e2026;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 34rem; margin: 0 auto; padding: 3rem 1rem; }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 0.75rem; }
p { margin: 0 0 1rem; }
.small { color: var(--muted); font-size: 0.9rem; }
.code {
  white-space: pre-line;
  background: var(--card);
  border-radius: 12px;
  padding: 1rem;
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.25rem 0; }
.button {
  display: inline-block;
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.6rem 1.2rem;
  color: var(--accent);
  background: transparent;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}
.button.primary { background: var(--accent); color: var(--accent-fg); }
code { font-size: 0.95em; }