/* page-specific layout */

/* ---------- home ---------- */
.hero { padding: 96px 0 64px; text-align: center; }
.hero h1 { font-size: 40px; margin: 14px 0 18px; }
.hero .lede { color: var(--ink-2); margin-bottom: 40px; }
.hero .ask-form { max-width: 640px; margin: 0 auto; }
.home-section { padding: 40px 0; }
.suggest-list {
  columns: 2; column-gap: 48px;
  list-style: none; margin: 16px 0 0; padding: 0;
}
.suggest-list li { break-inside: avoid; padding: 7px 0; border-bottom: 1px solid var(--rule); }
.suggest-list a { color: var(--ink); }
.suggest-list a:hover { color: var(--seal); }
.suggest-list .mark { color: var(--seal); margin-right: 8px; }

/* ---------- ask ---------- */
.ask-head { padding: 48px 0 24px; }
.ask-head h1 {
  font-size: 30px; max-width: 34em;
  display: -webkit-box; -webkit-line-clamp: 8; -webkit-box-orient: vertical; overflow: hidden;
  word-break: break-word;
}
.ask-status { margin-top: 10px; }
.ask-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 56px; align-items: start; }
.answer-col { min-width: 0; }
.answer-caret { color: var(--seal); animation: blink 0.9s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.evidence-rail { position: sticky; top: 24px; min-width: 0; }
.source {
  border: 1px solid var(--rule); border-radius: 2px;
  background: var(--paper-2);
  padding: 14px 16px; margin-top: 12px;
  border-left: 2px solid transparent;
  min-width: 0;
}
.source.is-hot { border-left-color: var(--seal); }
.source .s-head { display: flex; align-items: center; gap: 8px; min-width: 0; }
.source .s-label {
  flex: none; min-width: 18px; height: 18px; line-height: 16px; text-align: center;
  border: 1px solid var(--seal); border-radius: 2px;
  color: var(--seal); font-family: var(--font-mono); font-size: 11px;
  padding: 0 4px;
}
.source .s-body {
  font-size: 12px; color: var(--ink-3);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.source .s-title {
  font-size: 15px; line-height: 1.5; margin-top: 6px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.source .s-meta { font-size: 12px; color: var(--ink-3); margin-top: 2px; }
.meta-items { display: flex; flex-wrap: wrap; column-gap: 0; }
.meta-item { white-space: nowrap; }
/* Separator trails the item so a wrapped line never starts with "·". */
.meta-item:not(:last-child)::after { content: "·"; padding: 0 0.5em; }
.source .s-section {
  font-size: 12px; color: var(--ink-3); margin-top: 8px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.source .s-section::before { content: "§ "; color: var(--seal); }
.source .s-excerpt {
  font-size: 14px; line-height: 1.7; color: var(--ink-2); margin-top: 4px;
  overflow-wrap: anywhere;
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}
.source .s-excerpt p { display: inline; margin: 0; }
.source .s-excerpt p + p::before { content: " "; }
.source .s-excerpt.is-open { display: block; }
.source .s-excerpt.is-open p { display: block; }
.source .s-excerpt.is-open p + p { margin-top: 0.4em; }
.source .s-excerpt.is-open p + p::before { content: none; }
/* Query terms: bold ink like a search snippet, no highlighter background. */
.source .s-hit { background: none; color: var(--ink); font-weight: 600; }
.source .s-actions { display: flex; gap: 16px; align-items: center; margin-top: 4px; }
.source .s-toggle {
  background: none; border: 0; padding: 6px 0; cursor: pointer;
  font-family: var(--font-serif); font-size: 13px; color: var(--indigo);
}
.source .s-toggle[hidden] { display: none; }
.source .s-toggle:hover { color: var(--seal); }
.source .s-link { font-size: 12px; padding: 6px 0; }

/* ---------- browse ---------- */
.browse-grid { display: grid; grid-template-columns: 240px minmax(0,1fr); gap: 40px; align-items: start; }
/* Filter rail: tinted, ruled, sticky panel so it reads as controls, not content. */
.facet-rail {
  position: sticky; top: 24px;
  max-height: calc(100vh - 48px); overflow-y: auto; overscroll-behavior: contain;
  padding: 20px 18px 8px;
  background: var(--paper-2);
  border: 1px solid var(--rule); border-radius: 2px;
  scrollbar-width: thin; scrollbar-color: var(--rule-strong) transparent;
}
.facet-group { margin-bottom: 22px; }
.facet-group + .facet-group { padding-top: 18px; border-top: 1px solid var(--rule); }
.facet-group .label { display: block; margin-bottom: 8px; }
.facet {
  display: flex; align-items: baseline; gap: 10px; padding: 4px 0;
  color: var(--ink-2); font-family: var(--font-sans); font-size: 13.5px; line-height: 1.5;
}
.facet-name { flex: 1; min-width: 0; }
.facet-count { flex: none; font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); }
.facet:hover, .facet:hover .facet-count { color: var(--seal); }
.facet.is-active { color: var(--seal); font-weight: 600; }
.facet.is-active .facet-count { color: var(--seal); }
.facet.is-active .facet-name::before { content: "※ "; }
.facet-more { background: none; border: 0; padding: 4px 0; cursor: pointer; font-family: var(--font-sans); font-size: 12px; color: var(--ink-3); }
.facet-more:hover { color: var(--seal); }
.active-filters { display: none; margin-bottom: 16px; }
.active-filters:not(:empty) { display: flex; }
.active-filters .stamp { transform: none; cursor: pointer; background: none; font-family: var(--font-serif); }
.active-filters .stamp:hover { background: var(--seal-soft); }
.list-head { margin: 0 0 4px; font-size: 12px; line-height: 1.5; }
.pager { display: flex; justify-content: center; gap: 20px; align-items: center; margin: 28px 0 8px; }
.pager .page-of { color: var(--ink-3); font-size: 14px; }
.empty-state { padding: 48px 0; text-align: center; color: var(--ink-3); }

/* ---------- doc ---------- */
.doc-wrap { max-width: 820px; margin: 0 auto; padding: 0 20px; }
.back-link { display: inline-block; margin: 24px 0 12px; font-size: 14px; }
.doc-sheet { padding: 56px 64px; }
.doc-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.doc-sheet h1 { text-align: center; font-size: 30px; line-height: 1.4; margin-bottom: 8px; }
.doc-number { text-align: center; color: var(--ink-2); margin-bottom: 6px; }
.doc-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px 40px;
  margin: 20px 0 4px; font-size: 15px;
}
.doc-meta dt { color: var(--ink-3); font-family: var(--font-sans); font-size: 12px; letter-spacing: 0.18em; }
.doc-meta dd { margin: 2px 0 0; }
.doc-body { margin-top: 28px; }
.doc-body p { text-indent: 2em; text-align: justify; text-justify: inter-ideograph; line-break: strict; }
.doc-body h2 {
  display: flex; align-items: center; gap: 16px;
  font-size: 18px; letter-spacing: 0.2em; text-align: center; justify-content: center;
  margin-top: 2em;
}
.doc-body h2::before, .doc-body h2::after {
  content: ""; flex: 1; border-top: 1px solid var(--rule);
}
.doc-body h3 { font-weight: 600; margin-top: 2em; }
.doc-foot { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--rule); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 14px; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .ask-grid { grid-template-columns: minmax(0, 1fr); }
  .evidence-rail { position: static; }
}
@media (max-width: 900px) {
  .browse-grid { grid-template-columns: 1fr; gap: 24px; }
  .facet-rail { position: static; max-height: none; overflow: visible; }
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 30px; }
  .suggest-list { columns: 1; }
}
@media (max-width: 640px) {
  .index-row { grid-template-columns: 104px 1fr; }
  .index-row .cat-col { display: none; }
  .doc-sheet { padding: 28px 20px; }
  .doc-meta { grid-template-columns: 1fr; }
  .nav { gap: 18px; }
  .brand { align-items: center; }
  .brand-seal { width: 40px; height: 40px; margin-top: 0; }
  .brand-sub { display: none; }
  .container { padding: 0 16px; }
}

/* ---------- print ---------- */
@media print {
  .masthead, .site-footer, .back-link, .doc-foot .btn-seal, .nav { display: none !important; }
  body { background: #fff; }
  .doc-sheet { border: 0; padding: 0; }
}

.cite-missing { color: var(--ink-3); font-family: var(--font-mono); font-size: 11px; padding: 0 2px; }