:root {
  /* From mobile/lib/theme/app_theme.dart (light) */
  --page-bg: #f8fafc;
  --card-bg: #ffffff;
  --surface: #f1f5f9;
  --border: #ebeff5;
  --text-primary: #1e293b;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-faint: #94a3b8;
  --primary: #2563eb;
  --primary-deep: #1d4ed8;
  --primary-deeper: #1e40af;
  --secondary: #f48431;
  --error: #e11d48;
  --radius: 16px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  color: var(--text-primary);
  background: var(--page-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.shell {
  width: min(720px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.brand-block {
  margin-bottom: 22px;
  text-align: center;
}

.brand-block h1 {
  margin: 0 0 8px;
  font-weight: 700;
  font-size: clamp(1.35rem, 4.5vw, 1.65rem);
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-block h1 span {
  color: var(--primary);
}

.brand-block .meta {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  box-shadow: var(--shadow);
  padding: 24px 22px 28px;
}

.toc {
  margin: 0 0 24px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.toc strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.toc ol {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.toc a {
  color: var(--primary);
  text-decoration: none;
}

.toc a:hover {
  text-decoration: underline;
}

.policy h2 {
  margin: 28px 0 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  scroll-margin-top: 16px;
}

.policy h2:first-child {
  margin-top: 0;
}

.policy p,
.policy li {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.policy p {
  margin: 0 0 12px;
}

.policy ul {
  margin: 0 0 12px;
  padding-left: 1.25rem;
}

.policy li {
  margin-bottom: 6px;
}

.policy a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.policy a:hover {
  text-decoration: underline;
}

.note {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: var(--primary-deeper);
  font-size: 0.92rem;
}

.foot {
  margin-top: 22px;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.foot .muted {
  color: var(--text-faint);
}

.foot a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

@media (max-width: 480px) {
  .shell {
    padding-top: 36px;
  }
}