:root {
  --bg: #fbfaff;
  --ink: #1d1b3a;
  --muted: #5b5980;
  --accent: #5b4fd6;
  --line: #e4e2f2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12112a;
    --ink: #f1f0ff;
    --muted: #b3b1d6;
    --accent: #a59cff;
    --line: #2f2d5c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 30px; line-height: 1.2; margin: 8px 0 4px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
a { color: var(--accent); }
.data, .voltar { color: var(--muted); font-size: 15px; }
.lead { font-size: 19px; }
.icone { border-radius: 22px; display: block; margin-top: 24px; }
nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--line); }
.codigo-rotulo { color: var(--muted); font-size: 15px; margin-bottom: 0; }
.codigo { font: 600 36px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 4px; margin: 4px 0 24px; }
.botao { display: inline-block; min-height: 44px; padding: 12px 24px; border-radius: 14px; background: var(--accent);
  color: var(--bg); font-weight: 600; text-decoration: none; }
.botao.secundario { background: transparent; color: var(--accent); border: 1px solid var(--line); }