/* ============================================================
   Nexra Legal Pages — /assets/css/legal.css
   Sticky TOC + Editorial prose layout
   ============================================================ */

:root {
  --legal-toc-width: 280px;
  --legal-prose-max: 720px;
  --legal-section-gap: 64px;
  --legal-article-gap: 32px;
  --legal-rule: 1px solid var(--line);
  --legal-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, 'SF Mono', monospace;
}

/* ====== HERO ====== */
.legal-shell .legal-hero {
  padding: 80px 0 24px;
}
.legal-title {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 4rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 18px 0 18px;
  color: var(--text);
}
.legal-lede {
  color: var(--text-soft);
  max-width: 680px;
  line-height: 1.7;
  font-size: 1.05rem;
  margin: 0;
}
.legal-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.legal-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  border: 1px solid var(--line);
  color: var(--text-muted);
  background: var(--bg-elevated);
  font-family: var(--legal-mono);
  font-variant-numeric: tabular-nums;
  transition: color var(--transition), border-color var(--transition);
}
.legal-pill--accent {
  border-color: var(--accent-soft);
  color: var(--accent);
  background: var(--accent-soft);
}
.legal-pill--link {
  cursor: pointer;
}
.legal-pill--link:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

/* ====== GRID ====== */
.legal-shell .legal-body {
  padding-top: 32px;
  padding-bottom: 64px;
}
.legal-grid {
  display: grid;
  grid-template-columns: var(--legal-toc-width) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}
@media (max-width: 1023px) {
  .legal-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ====== TOC ====== */
.legal-toc {
  position: sticky;
  top: 96px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding-right: 16px;
  border-right: var(--legal-rule);
}
@media (max-width: 1023px) {
  .legal-toc {
    position: static;
    max-height: none;
    border-right: 0;
    border: var(--legal-rule);
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    background: var(--bg-elevated);
  }
}
.legal-toc-label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin: 0 0 16px;
  font-weight: 700;
}
.legal-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: 'Sora', sans-serif;
  font-size: 0.92rem;
}
.legal-toc-list ol {
  list-style: none;
  padding-left: 16px;
  margin: 6px 0 14px;
}
.legal-toc-list a {
  display: block;
  padding: 6px 0 6px 12px;
  margin-left: -14px;
  color: var(--text-muted);
  border-left: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  line-height: 1.4;
}
.legal-toc-list a:hover {
  color: var(--text);
}
.legal-toc-list a.is-active {
  color: var(--accent);
  border-left-color: var(--accent);
}

/* Mobile collapsible */
.legal-toc-mobile-toggle {
  display: none;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--text);
  font-family: 'Sora', sans-serif;
  font-size: 0.95rem;
  padding: 0;
  cursor: pointer;
}
@media (max-width: 1023px) {
  .legal-toc-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .legal-toc[data-collapsed="true"] .legal-toc-list,
  .legal-toc[data-collapsed="true"] .legal-toc-label {
    display: none;
  }
}

/* ====== PROSE ====== */
.legal-prose {
  max-width: var(--legal-prose-max);
}
.legal-article + .legal-article {
  margin-top: var(--legal-section-gap);
}
.legal-article-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: var(--legal-rule);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.legal-article-head h2 {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
  line-height: 1.2;
}
.legal-numeral {
  font-family: 'Sora', sans-serif;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}
.legal-numeral-sm {
  display: inline-block;
  font-family: var(--legal-mono);
  color: var(--accent);
  font-size: 0.78rem;
  margin-right: 10px;
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 6px;
  font-variant-numeric: tabular-nums;
  vertical-align: 2px;
  font-weight: 600;
}
.legal-clause + .legal-clause {
  margin-top: var(--legal-article-gap);
}
.legal-clause h3 {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 1.08rem;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--text);
  line-height: 1.45;
}
.legal-clause p,
.legal-clause li {
  color: var(--text-soft);
  line-height: 1.85;
  font-size: 1rem;
}
.legal-clause p {
  margin: 0 0 14px;
}
.legal-clause ul,
.legal-clause ol {
  padding-left: 22px;
  margin: 12px 0 14px;
}
.legal-clause li + li {
  margin-top: 6px;
}
.legal-clause strong {
  color: var(--text);
  font-weight: 600;
}
.legal-clause a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent-soft);
  transition: border-color var(--transition);
}
.legal-clause a:hover {
  border-bottom-color: var(--accent);
}
.legal-clause table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 0.92rem;
}
.legal-clause th,
.legal-clause td {
  padding: 10px 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  color: var(--text-soft);
}
.legal-clause th {
  background: var(--bg-elevated);
  color: var(--text);
  font-weight: 600;
}
.legal-clause blockquote {
  margin: 18px 0;
  padding: 16px 20px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-soft);
}
.legal-clause code {
  font-family: var(--legal-mono);
  font-size: 0.88em;
  padding: 2px 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text);
}

/* ====== ACK STRIP ====== */
.legal-ack {
  border-top: var(--legal-rule);
  background: var(--bg-elevated);
  padding: 36px 0;
}
.legal-ack-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.5fr;
  gap: 32px;
  align-items: end;
}
@media (max-width: 768px) {
  .legal-ack-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: start;
  }
}
.legal-ack-block {
  min-width: 0;
}
.legal-ack-label {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin: 0 0 6px;
  font-weight: 700;
}
.legal-ack-value {
  font-family: var(--legal-mono);
  color: var(--text);
  margin: 0;
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}
.legal-ack-value a {
  color: var(--text);
  border-bottom: 1px solid var(--line);
  transition: color var(--transition), border-color var(--transition);
}
.legal-ack-value a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.legal-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.92rem;
}
.legal-pager a {
  color: var(--text-muted);
  transition: color var(--transition);
}
.legal-pager a:hover {
  color: var(--accent);
}
.legal-pager-prev,
.legal-pager-next {
  flex: 1;
}
.legal-pager-next {
  text-align: right;
}

/* ====== PRINT ====== */
@media print {
  body {
    background: #fff;
    color: #000;
  }
  .site-header,
  .site-footer,
  .legal-toc,
  .legal-pager,
  .legal-meta,
  .mobile-sticky-cta {
    display: none !important;
  }
  .legal-grid {
    display: block;
  }
  .legal-prose {
    max-width: 100%;
  }
  .legal-shell .legal-hero,
  .legal-shell .legal-body,
  .legal-ack {
    padding: 16px 0;
    background: #fff !important;
  }
  .legal-numeral,
  .legal-numeral-sm {
    color: #000 !important;
    background: none !important;
    border: 1px solid #000;
  }
  .legal-title,
  .legal-article-head h2,
  .legal-clause h3,
  .legal-clause p,
  .legal-clause li,
  .legal-lede,
  .legal-ack-label,
  .legal-ack-value {
    color: #000 !important;
  }
  .legal-clause a {
    color: #000 !important;
    border-bottom: 1px solid #000;
  }
  .legal-article-head,
  .legal-ack {
    border-color: #000;
  }
  .legal-pill {
    border: 1px solid #000;
    background: #fff !important;
    color: #000 !important;
  }
  .legal-pill--accent {
    background: #f0f0f0 !important;
  }
  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.85em;
    color: #555;
  }
}

/* ============================================================
   Legal TOC scrollbar — match dark theme (2026-04-20)
   ============================================================ */
.legal-toc {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.12) transparent;
}
.legal-toc::-webkit-scrollbar {
  width: 6px;
}
.legal-toc::-webkit-scrollbar-track {
  background: transparent;
}
.legal-toc::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  transition: background var(--transition);
}
.legal-toc::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 106, 45, 0.45);
}