@import url('/static/css/tokens.css');

/* BNU Sparks legal pages: archival reading surface, not a dashboard card. */
:root {
  --legal-paper: var(--surface, oklch(0.995 0.003 60));
  --legal-rule: var(--border, oklch(0.86 0.012 65));
  --legal-muted: var(--ink-faint, oklch(0.55 0.008 55));
  --legal-copper: var(--accent, oklch(0.52 0.13 45));
  --legal-max: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg, oklch(0.97 0.005 60));
  color: var(--ink, oklch(0.18 0.01 55));
  font-family: var(--sans, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif);
  font-size: 15px;
  line-height: 1.9;
}

a {
  color: var(--primary, oklch(0.43 0.12 250));
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover { color: var(--primary-dark, oklch(0.32 0.13 250)); }

a:focus-visible {
  outline: 2px solid var(--legal-copper);
  outline-offset: 4px;
}

.legal-shell {
  width: min(calc(100% - 40px), var(--legal-max));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  color: var(--legal-muted);
  font-size: 13px;
  text-decoration: none;
}

.legal-back:hover { color: var(--primary); }

.legal-header {
  position: relative;
  padding: 44px 0 34px;
  border-bottom: 1px solid var(--legal-rule);
}

.legal-header::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 68px;
  height: 3px;
  background: var(--legal-copper);
}

.legal-brandline,
.legal-meta,
.legal-doc-label {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.legal-brandline {
  color: var(--primary);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.legal-brandline .legal-mark { font-weight: 700; }

.legal-doc-label {
  margin-left: auto;
  color: var(--legal-muted);
  letter-spacing: .08em;
}

.legal-header h1 {
  max-width: 720px;
  margin: 22px 0 8px;
  color: var(--ink);
  font-family: var(--serif, "Songti SC", "STSong", "SimSun", serif);
  font-size: clamp(34px, 6vw, 58px);
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1.2;
}

.legal-lede {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft, oklch(0.35 0.01 55));
  font-size: 16px;
}

.legal-alert,
.legal-note {
  margin-top: 22px;
  padding: 12px 16px;
  border-left: 3px solid var(--legal-copper);
  background: color-mix(in oklch, var(--accent-light, oklch(0.90 0.06 50)) 48%, transparent);
  color: var(--ink-soft, oklch(0.35 0.01 55));
  font-size: 13px;
  line-height: 1.75;
}

.legal-note--action {
  border-left-color: var(--danger, oklch(0.5 0.15 30));
  background: color-mix(in oklch, var(--danger-light, oklch(0.93 0.04 30)) 62%, transparent);
}

.legal-meta {
  margin-top: 20px;
  color: var(--legal-muted);
  font-size: 12px;
}

.legal-layout {
  display: grid;
  grid-template-columns: minmax(170px, 220px) minmax(0, 1fr);
  gap: clamp(30px, 6vw, 84px);
  align-items: start;
  padding-top: 42px;
}

.legal-toc {
  position: sticky;
  top: 24px;
  border-top: 1px solid var(--legal-rule);
}

.legal-toc-title {
  margin: 12px 0 9px;
  color: var(--legal-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.legal-toc a {
  display: block;
  padding: 6px 0;
  color: var(--ink-soft, oklch(0.35 0.01 55));
  font-size: 13px;
  line-height: 1.5;
  text-decoration: none;
}

.legal-toc a:hover { color: var(--primary); }

.legal-document {
  min-width: 0;
}

.legal-section {
  scroll-margin-top: 28px;
  padding: 0 0 31px;
  margin: 0 0 32px;
  border-bottom: 1px solid var(--legal-rule);
}

.legal-section:last-child {
  margin-bottom: 0;
  border-bottom: 0;
}

.legal-section h2 {
  margin: 0 0 13px;
  color: var(--ink);
  font-family: var(--serif, "Songti SC", "STSong", "SimSun", serif);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.35;
}

.legal-section h3 {
  margin: 21px 0 6px;
  color: var(--ink-soft, oklch(0.35 0.01 55));
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.legal-section p { margin: 0 0 10px; }

.legal-section ul,
.legal-section ol {
  margin: 8px 0 12px;
  padding-left: 1.6em;
}

.legal-section li { margin: 4px 0; }

.legal-section strong { color: var(--ink); }

.legal-table-wrap {
  margin: 14px 0 15px;
  overflow-x: auto;
  border-top: 1px solid var(--legal-rule);
  border-bottom: 1px solid var(--legal-rule);
}

.legal-table {
  width: 100%;
  min-width: 650px;
  border-collapse: collapse;
  font-size: 13px;
  line-height: 1.65;
}

.legal-table th,
.legal-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--legal-rule);
  text-align: left;
  vertical-align: top;
}

.legal-table tr:last-child td { border-bottom: 0; }

.legal-table th {
  color: var(--legal-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  white-space: nowrap;
}

.legal-inline-links {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--legal-rule);
  font-size: 13px;
}

.legal-footer {
  margin-top: 54px;
  padding-top: 18px;
  border-top: 1px solid var(--legal-rule);
  color: var(--legal-muted);
  font-size: 12px;
}

.legal-footer p { margin: 4px 0; }

@media (max-width: 760px) {
  .legal-shell {
    width: min(calc(100% - 28px), var(--legal-max));
    padding-top: 18px;
  }

  .legal-header { padding: 34px 0 27px; }

  .legal-doc-label {
    width: 100%;
    margin-left: 0;
  }

  .legal-header h1 { font-size: clamp(32px, 12vw, 46px); }

  .legal-lede { font-size: 15px; }

  .legal-layout {
    display: block;
    padding-top: 29px;
  }

  .legal-toc {
    position: static;
    margin-bottom: 34px;
    padding-bottom: 11px;
    border-bottom: 1px solid var(--legal-rule);
  }

  .legal-toc a {
    display: inline-block;
    margin-right: 13px;
    padding: 4px 0;
  }

  .legal-section h2 { font-size: 22px; }
}

@media print {
  :root { --bg: #fff; --surface: #fff; }
  body { background: #fff; color: #111; font-size: 10.5pt; }
  .legal-shell { width: 100%; max-width: none; padding: 0; }
  .legal-back, .legal-toc { display: none; }
  .legal-header { padding-top: 0; }
  .legal-layout { display: block; padding-top: 26px; }
  .legal-section { break-inside: avoid; }
  a { color: #111; }
  a[href^='http']::after { content: ' (' attr(href) ')'; font-size: 8pt; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}