/* 法Q 文章站 — design system aligned with the iOS app.
   Tokens sourced from JudicialApp/Theme/Theme.swift; component CSS mirrors
   ChatWeb/chat.css patterns (.cite, .law-block, .sources-disclosure). */

:root {
  /* Brand */
  --teal: #0F4C5C;
  --accent: #E8C464;

  /* Surfaces */
  --cream: #FAF8F3;
  --card: #FFFFFF;
  --hairline: #ECE5D2;

  /* Text */
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-xxl: 32px;

  /* Radii */
  --radius-button: 10px;
  --radius-card: 12px;

  /* Layout */
  --content-max: 720px;
  /* Sticky .app-banner total height: 36px glyph + 12+12 padding ≈ 60px.
     The 4px slack keeps anchor targets clear of the bottom hairline. */
  --banner-height: 64px;
}

* { box-sizing: border-box; }

html {
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--banner-height);
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang TC", "Helvetica Neue",
               "Microsoft JhengHei", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Top banner ---------- */

.app-banner {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--cream);
  border-bottom: 1px solid var(--hairline);
}

.banner-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  color: var(--text-primary);
  text-decoration: none;
}

.banner-glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--teal);
  color: var(--accent);
  font-family: "Songti TC", "Songti SC", serif;
  font-weight: 600;
  font-size: 20px;
  border-radius: var(--radius-button);
}

.banner-text { line-height: 1.2; }
.banner-text strong {
  display: block;
  font-family: "Songti TC", "Songti SC", serif;
  color: var(--teal);
  font-size: 16px;
  font-weight: 600;
}
.banner-text span {
  display: block;
  color: var(--text-secondary);
  font-size: 12px;
  margin-top: 2px;
}

.banner-cta {
  margin-left: auto;
  padding: 8px 14px;
  background: var(--teal);
  color: var(--cream);
  border-radius: var(--radius-button);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
}

/* ---------- Page layout ---------- */

main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) var(--space-xxl);
}

.breadcrumb {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--teal); }
.breadcrumb .sep { margin: 0 6px; color: var(--text-tertiary); }

/* ---------- Typography ---------- */

h1, h2, h3, h4, h5, h6 {
  font-family: "Songti TC", "Songti SC", "Noto Serif TC", serif;
  font-weight: 600;
  color: var(--teal);
  line-height: 1.3;
  margin: 1.6em 0 0.5em;
}
h1 { font-size: 2em; margin-top: 0.2em; }
h2 { font-size: 1.5em; }
h3 { font-size: 1.2em; }

p { margin: 0.7em 0; }

a {
  color: var(--teal);
  text-decoration: underline;
  text-decoration-color: rgba(15, 76, 92, 0.35);
  text-underline-offset: 2px;
}
a:hover { text-decoration-color: var(--teal); }

ul, ol { margin: 0.6em 0; padding-left: 1.6em; }
li { margin: 0.25em 0; }
li::marker { color: var(--text-secondary); }

strong { font-weight: 600; }

blockquote {
  margin: var(--space-lg) 0;
  padding: var(--space-sm) var(--space-lg);
  border-left: 3px solid var(--accent);
  background: rgba(232, 196, 100, 0.06);
  color: var(--text-secondary);
}

/* ---------- Article header ---------- */

.article-meta {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}
.article-meta time { color: var(--text-secondary); }

.answer-box {
  margin: var(--space-lg) 0 var(--space-xl);
  padding: var(--space-lg);
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  font-size: 1.05em;
  color: var(--text-primary);
}

/* ---------- Citation pill (mirrors ChatWeb/chat.css .cite) ----------
   Part of the documented design system. Stage 6+ generated articles wire
   numbered citations to source anchors in the .sources-disclosure block. */

.cite {
  display: inline-block;
  min-width: 18px;
  padding: 0 6px;
  margin: 0 2px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.78em;
  font-weight: 600;
  color: var(--teal);
  line-height: 18px;
  text-align: center;
  background: rgba(232, 196, 100, 0.55);
  border: 1px solid rgba(232, 196, 100, 0.85);
  border-radius: 9px;
  text-decoration: none;
  vertical-align: baseline;
}
.cite:hover { background: var(--accent); }

/* ---------- Law block (quoted statutes) ---------- */

.law-block {
  font-family: "Songti TC", "Songti SC", serif;
  font-size: 1em;
  line-height: 1.7;
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  border-left: 4px solid var(--accent);
  background: rgba(232, 196, 100, 0.08);
  border-radius: 0 6px 6px 0;
  white-space: pre-wrap;
}
.law-block .law-title {
  display: block;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: 4px;
  font-size: 0.95em;
}

/* ---------- Sources disclosure ---------- */

.sources-disclosure {
  margin: var(--space-xl) 0;
  padding: 0;
  background: var(--cream);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
}
.sources-disclosure > summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-md) var(--space-lg);
  font-weight: 600;
  color: var(--teal);
  font-size: 14px;
}
.sources-disclosure > summary::-webkit-details-marker { display: none; }
.sources-disclosure > summary::after {
  content: "▾";
  float: right;
  color: var(--text-tertiary);
  transition: transform 200ms ease;
}
.sources-disclosure[open] > summary::after { transform: rotate(180deg); }

.sources-disclosure ul {
  list-style: none;
  margin: 0;
  padding: 0 var(--space-lg) var(--space-lg);
}
.sources-disclosure li {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: baseline;
  padding: var(--space-sm) 0;
  border-top: 1px solid var(--hairline);
  font-size: 14px;
}
.sources-disclosure .judgment-title {
  flex: 1 1 auto;
  font-family: "Songti TC", serif;
  color: var(--text-primary);
}

/* ---------- FAQ ---------- */

.faq { margin: var(--space-xxl) 0; }
.faq h2 { margin-bottom: var(--space-lg); }
.faq details {
  border-top: 1px solid var(--hairline);
  padding: var(--space-md) 0;
}
.faq details:last-of-type { border-bottom: 1px solid var(--hairline); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text-primary);
  list-style: none;
  padding-right: 24px;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: 4px;
}
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 20px;
  color: var(--text-tertiary);
  line-height: 1;
}
.faq details[open] summary::after { content: "−"; }
.faq details > p { color: var(--text-secondary); margin-top: var(--space-sm); }

/* ---------- Bottom CTA ---------- */

.cta-block {
  margin: var(--space-xxl) 0 var(--space-lg);
  padding: var(--space-xl);
  background: var(--cream);
  border: 1px solid var(--hairline);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}
.cta-block h2 { margin-top: 0; }
.cta-lede { color: var(--text-secondary); margin: 0 0 var(--space-md); }
.cta-query {
  font-family: "Songti TC", "Songti SC", serif;
  font-size: 1.05em;
  margin: var(--space-md) 0 var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: rgba(232, 196, 100, 0.08);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
}
.cta-query::before { content: "「"; }
.cta-query::after  { content: "」"; }
.cta-button {
  display: inline-block;
  padding: 12px 24px;
  background: var(--teal);
  color: var(--cream);
  border-radius: var(--radius-button);
  font-weight: 600;
  text-decoration: none;
}
.cta-button:hover { background: #0a3a48; }

/* ---------- Archive list ---------- */

.archive-list { list-style: none; margin: 0; padding: 0; }
.archive-list > li {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--hairline);
}
.archive-list > li:last-child { border-bottom: 1px solid var(--hairline); }
/* Archive item heading: h2 on the archive page (no intermediate section),
   h3 on the landing page (nested under the "最新文章" h2). Both inherit
   Songti TC + teal from the global heading rule above; we just override
   the size + margin to fit a card layout. */
.archive-list h2,
.archive-list h3 {
  margin: 0 0 var(--space-xs);
  font-size: 1.2em;
}
.archive-list h2 a,
.archive-list h3 a { text-decoration: none; color: inherit; }
.archive-list h2 a:hover,
.archive-list h3 a:hover { text-decoration: underline; }
.archive-list .archive-meta {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  gap: var(--space-md);
  align-items: center;
  margin-bottom: var(--space-sm);
}
.archive-list .archive-summary {
  color: var(--text-secondary);
  margin: 0;
  font-size: 0.95em;
}

/* ---------- Lede paragraph ---------- */

.lede {
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- Landing hero ---------- */

.hero {
  padding: var(--space-xxl) 0 var(--space-xl);
  border-bottom: 1px solid var(--hairline);
  margin-bottom: var(--space-xxl);
}
.hero h1 { margin: 0 0 var(--space-md); }
.hero .lede { font-size: 1.15em; }

/* ---------- Footer ---------- */

footer.site-footer {
  margin-top: var(--space-xxl);
  padding: var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--hairline);
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
}
footer.site-footer nav {
  margin-bottom: var(--space-md);
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
footer.site-footer .disclaimer {
  max-width: var(--content-max);
  margin: 0 auto var(--space-md);
  color: var(--text-tertiary);
}

/* ---------- Mobile tweaks ---------- */

@media (max-width: 480px) {
  body { font-size: 16px; }
  h1 { font-size: 1.7em; }
  h2 { font-size: 1.35em; }
  main { padding: var(--space-lg) var(--space-md) var(--space-xl); }
  .banner-text span { display: none; }
  .banner-cta { padding: 6px 10px; font-size: 13px; }
  .cta-block { padding: var(--space-lg); }
}