:root {
  color-scheme: light;
  --verde: #004225;
  --dorado: #d4af37;
  --crema: #f5f2e8;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--crema);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    sans-serif;
  color: var(--verde);
  padding: 24px;
}
.tarjeta {
  max-width: 420px;
  width: 100%;
  background: #fff;
  border-radius: 20px;
  padding: 32px 28px;
  text-align: center;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}
h1 {
  font-size: 22px;
  margin: 0 0 8px;
}
p {
  margin: 0 0 20px;
  line-height: 1.5;
  color: #333;
}
.codigo {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--verde);
  background: var(--crema);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 20px;
  word-break: break-all;
}
.boton {
  display: inline-block;
  width: 100%;
  padding: 14px;
  border-radius: 999px;
  background: var(--verde);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border: none;
  font-size: 16px;
  cursor: pointer;
  margin-bottom: 12px;
}
.secundario {
  color: var(--verde);
  font-size: 14px;
  text-decoration: underline;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
[hidden] { display: none !important; }