:root {
  font-family: system-ui, sans-serif;
  color: #0f172a;
  background: #f1f5f9;
}
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
}
.card {
  background: #fff;
  padding: 2rem;
  border-radius: 12px;
  max-width: 36rem;
  width: calc(100% - 2rem);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}
.btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.65rem 1.1rem;
  background: #1d4ed8;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
}
.token {
  background: #f8fafc;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  word-break: break-all;
  border: 1px solid #e2e8f0;
}
.muted { color: #64748b; }
.foot { margin-top: 1.5rem; }
dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 1rem;
}
dt { color: #64748b; }