:root {
  --brand: #2563EB;
  --brand-dark: #1D4ED8;
  --bg: #F8FAFC;
  --text: #0F172A;
  --muted: #475569;
  --card: #FFFFFF;
  --border: #E2E8F0;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 560px; margin: 0 auto; padding: 48px 20px 64px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.brand .mark { width: 44px; height: 44px; display: block; object-fit: contain; }
.brand span { font-weight: 700; font-size: 18px; }
h1 { font-size: 28px; line-height: 1.2; margin: 32px 0 8px; }
h2 { font-size: 20px; line-height: 1.3; margin: 32px 0 8px; }
h3 { font-size: 16px; line-height: 1.4; margin: 20px 0 4px; }
.policy ul { margin: 0 0 12px; padding-left: 20px; color: var(--muted); }
.policy li { margin-bottom: 6px; }
.policy p a, .policy li a { color: var(--brand); }
p { margin: 0 0 12px; color: var(--muted); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 24px; margin-top: 24px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 34px; letter-spacing: 0.18em;
  font-weight: 700; color: var(--text); text-align: center; padding: 16px 0 8px; user-select: all;
}
.token { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; word-break: break-all; color: var(--muted); text-align: center; }
.btn {
  display: block; width: 100%; text-align: center; text-decoration: none; padding: 14px 18px; border-radius: 12px;
  font-weight: 600; font-size: 16px; margin-top: 12px; border: 1px solid transparent;
}
.btn.primary { background: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-dark); }
.btn.secondary { background: #fff; color: var(--brand); border-color: var(--border); }
.btn.secondary:hover { border-color: var(--brand); }
.steps { margin: 12px 0 0; padding-left: 20px; color: var(--muted); }
.steps li { margin-bottom: 6px; }
.small { font-size: 13px; color: var(--muted); }
footer { margin-top: 40px; font-size: 13px; color: var(--muted); }
footer a { color: var(--brand); text-decoration: none; }
.hidden { display: none !important; }
.error { color: #B91C1C; }