/* SHUGE DH Exhibition v0.3 — Digital Museum × Academic Lab
   继承 v0.2 全部样式 · 新增 v0.3 组件样式
   禁用: 渐变 / 圆角 / box-shadow / emoji / neon */

:root {
  --paper-white: #f7f3eb;
  --card-cream: #efe9da;
  --evidence-tint: #e8e0cd;
  --rule-gray: #c8bfa9;
  --archival-brown: #6b5944;
  --ink-charcoal: #1a1a1a;
  --seal-red: #8b3a2e;
  --status-green: #2c4a3e;
  --status-warning: #6b4f1f;
  --status-evidence: #4a2c3e;
  --status-searching: #6b5944;
  --max-width: 820px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Source Sans 3', 'Noto Serif CJK SC', -apple-system, sans-serif;
  background: var(--paper-white);
  color: var(--ink-charcoal);
  line-height: 1.6;
  font-size: 16px;
  padding: 0;
  margin: 0;
}

a { color: var(--seal-red); text-decoration: none; border-bottom: 1px solid var(--rule-gray); }
a:hover { background: var(--evidence-tint); border-bottom-color: var(--seal-red); }

/* ============================================================
   MASTHEAD + TOPNAV
   ============================================================ */
.masthead {
  background: var(--card-cream);
  border-bottom: 2px solid var(--rule-gray);
  padding: 1.5rem 2rem 1rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}
.masthead-title {
  font-family: 'Noto Serif CJK SC', serif;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--ink-charcoal);
  letter-spacing: 0.05em;
}
.masthead-subtitle {
  font-family: 'Source Serif 4', serif;
  font-size: 0.95rem;
  color: var(--archival-brown);
  margin-top: 0.25rem;
  letter-spacing: 0.03em;
}

.topnav {
  background: var(--card-cream);
  border-bottom: 1px solid var(--rule-gray);
  padding: 0.5rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.82rem;
}
.topnav-links { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.topnav-links a { color: var(--ink-charcoal); border-bottom: none; padding: 0.15rem 0.4rem; }
.topnav-links a.active, .topnav-links a:hover { background: var(--evidence-tint); border-bottom: none; }
.topnav-divider { color: var(--rule-gray); }
.topnav-meta { color: var(--archival-brown); }
.topnav-meta a { color: var(--archival-brown); }

/* ============================================================
   BODY MAIN
   ============================================================ */
.body {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem;
}
section { margin-bottom: 2.5rem; }
section h2 {
  font-family: 'Noto Serif CJK SC', serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ink-charcoal);
  border-bottom: 1px solid var(--rule-gray);
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}
section h3 {
  font-family: 'Source Serif 4', serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-charcoal);
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}

.hero {
  border-left: 4px solid var(--seal-red);
  padding-left: 1rem;
  margin-bottom: 2rem;
}
.hero h1 {
  font-family: 'Noto Serif CJK SC', serif;
  font-size: 2rem;
  font-weight: 600;
  color: var(--ink-charcoal);
  margin-bottom: 0.5rem;
}
.hero-lead {
  font-family: 'Source Serif 4', serif;
  font-size: 1.1rem;
  font-style: italic;
  color: var(--archival-brown);
  margin-bottom: 0.75rem;
}
.hero p { font-size: 0.95rem; color: var(--ink-charcoal); }

/* ============================================================
   META TABLE
   ============================================================ */
.meta-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: 0.5rem 0;
}
.meta-table th {
  text-align: left;
  font-family: 'Source Serif 4', serif;
  font-weight: 600;
  color: var(--archival-brown);
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--rule-gray);
  vertical-align: top;
  width: 30%;
}
.meta-table td {
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--rule-gray);
  vertical-align: top;
}
.meta-table thead th {
  background: var(--card-cream);
  font-family: 'Source Sans 3', sans-serif;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}
.mono { font-family: 'IBM Plex Mono', monospace; font-size: 0.85em; }
.dim { color: var(--archival-brown); opacity: 0.85; font-size: 0.88rem; }

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  margin: 0 0.15rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  border: 1px solid var(--rule-gray);
  background: var(--paper-white);
  color: var(--archival-brown);
  letter-spacing: 0.02em;
}
.badge-collection-hydrology { color: var(--status-evidence); border-color: var(--status-evidence); }
.badge-collection-architecture { color: var(--status-warning); border-color: var(--status-warning); }
.badge-status-open { color: var(--status-green); border-color: var(--status-green); }
.badge-status-searching { color: var(--status-searching); border-color: var(--status-searching); }
.badge-status-archived { color: var(--archival-brown); border-color: var(--rule-gray); }
.badge-no-collection { color: var(--rule-gray); border-style: dashed; }

/* ============================================================
   CARDS GRID (3-column)
   ============================================================ */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}
.card {
  background: var(--card-cream);
  border: 1px solid var(--rule-gray);
  padding: 1rem;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
}
.card-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--archival-brown);
  letter-spacing: 0.05em;
}
.card-title {
  font-family: 'Noto Serif CJK SC', serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink-charcoal);
  margin-bottom: 0.25rem;
}
.card-title a { color: var(--ink-charcoal); border-bottom: none; }
.card-title a:hover { color: var(--seal-red); border-bottom: none; }
.card-en-title {
  font-family: 'Source Serif 4', serif;
  font-size: 0.85rem;
  color: var(--archival-brown);
  font-style: italic;
  margin-bottom: 0.4rem;
}
.card-subtitle {
  font-size: 0.82rem;
  color: var(--archival-brown);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}
.card-meta {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

/* ============================================================
   v0.3 NEW: CASE STUDY HERO + CASE SECTIONS
   ============================================================ */
.case-study-hero {
  border-left: 4px solid var(--seal-red);
  padding-left: 1rem;
  margin-bottom: 2rem;
}
.case-study-hero h1 {
  font-family: 'Noto Serif CJK SC', serif;
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--ink-charcoal);
  margin-bottom: 0.4rem;
}
.case-study-title-en {
  font-family: 'Source Serif 4', serif;
  font-size: 1.1rem;
  font-style: italic;
  color: var(--archival-brown);
  margin-bottom: 0.4rem;
}
.case-study-subtitle {
  font-family: 'Source Serif 4', serif;
  font-size: 0.95rem;
  color: var(--ink-charcoal);
  margin-bottom: 0.5rem;
}
.case-study-badges {
  margin-top: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.case-section {
  margin-bottom: 2rem;
  padding-left: 3.5rem;
  position: relative;
}
.section-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--seal-red);
  color: var(--paper-white);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
}
.section-label {
  font-family: 'Noto Serif CJK SC', serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink-charcoal);
  margin: 0;
  border-bottom: 1px solid var(--rule-gray);
  padding-bottom: 0.4rem;
  margin-bottom: 0.75rem;
}
.question-text {
  font-family: 'Source Serif 4', 'Noto Serif CJK SC', serif;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--ink-charcoal);
  line-height: 1.6;
}

.case-study-back {
  margin-top: 2rem;
  font-size: 0.88rem;
  color: var(--archival-brown);
}

/* ============================================================
   v0.3 NEW: OBJECTS GRID + OBJECT CARD
   ============================================================ */
.objects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
  margin: 0.75rem 0;
}
.object-card {
  background: var(--card-cream);
  border: 1px solid var(--rule-gray);
  padding: 0.8rem;
}
.object-card-header { margin-bottom: 0.4rem; }
.object-card-kind {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--seal-red);
  border: 1px solid var(--seal-red);
  padding: 0.1rem 0.3rem;
  display: inline-block;
}
.object-card-name {
  font-family: 'Noto Serif CJK SC', serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-charcoal);
  margin-bottom: 0.3rem;
}
.object-card-desc {
  font-size: 0.82rem;
  color: var(--archival-brown);
  line-height: 1.5;
}

/* ============================================================
   v0.3 NEW: ROOM 5-SECTION
   ============================================================ */
.room-introduction p {
  font-family: 'Source Serif 4', serif;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--ink-charcoal);
}
.room-objects { margin-bottom: 2rem; }
.room-evidence { margin-bottom: 2rem; }
.room-further-reading { margin-bottom: 2rem; }

.further-reading {
  list-style: none;
  margin-left: 0;
  padding-left: 0;
}
.further-reading li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--ink-charcoal);
  line-height: 1.6;
}
.further-reading li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--seal-red);
  font-weight: 600;
}

/* ============================================================
   TAKE-AWAY
   ============================================================ */
.takeaway {
  border-left: 4px solid var(--seal-red);
  background: var(--evidence-tint);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}
.takeaway-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--seal-red);
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.takeaway p, .takeaway-text {
  font-family: 'Source Serif 4', 'Noto Serif CJK SC', serif;
  font-size: 0.98rem;
  color: var(--ink-charcoal);
  line-height: 1.6;
}

/* ============================================================
   EVIDENCE CARDS (v0.3 UPGRADED)
   ============================================================ */
.evidence-card {
  background: var(--paper-white);
  border: 1px solid var(--rule-gray);
  border-left: 4px solid var(--seal-red);
  padding: 1rem;
  margin-bottom: 1rem;
}
.evidence-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.evidence-card-question {
  font-family: 'Source Serif 4', 'Noto Serif CJK SC', serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-charcoal);
  flex: 1;
  min-width: 200px;
}
.evidence-card-meta {
  font-size: 0.78rem;
  color: var(--archival-brown);
  font-family: 'IBM Plex Mono', monospace;
}

/* v0.3 NEW: Source Context */
.source-context-block {
  background: var(--card-cream);
  border: 1px solid var(--rule-gray);
  padding: 0.6rem 0.8rem;
  margin-bottom: 0.6rem;
  font-size: 0.85rem;
}
.source-context-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--seal-red);
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.source-context-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.82rem;
}
.source-context-fields span { color: var(--ink-charcoal); }
.scf-work { font-weight: 600; }
.scf-author, .scf-dynasty { color: var(--archival-brown); }
.scf-page, .scf-ocr { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--seal-red); }
.source-context-link {
  margin-top: 0.3rem;
  font-size: 0.78rem;
}
.source-context-link a { color: var(--seal-red); }
.source-context-note {
  margin-top: 0.3rem;
  font-size: 0.72rem;
  color: var(--archival-brown);
  font-style: italic;
}

/* Claim block */
.evidence-claim-block {
  background: var(--evidence-tint);
  border: 1px solid var(--rule-gray);
  padding: 0.6rem 0.8rem;
  margin-bottom: 0.5rem;
}
.evidence-claim-meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--archival-brown);
  letter-spacing: 0.03em;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}
.evidence-claim-text {
  font-family: 'Source Serif 4', 'Noto Serif CJK SC', serif;
  font-size: 0.92rem;
  color: var(--ink-charcoal);
  line-height: 1.55;
  max-height: 6.5em;
  overflow: hidden;
}
.claim-cite {
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: var(--archival-brown);
  font-family: 'IBM Plex Mono', monospace;
}

/* v0.3 NEW: Citation Path */
.citation-path-block {
  margin-bottom: 0.6rem;
  background: var(--paper-white);
  border: 1px solid var(--rule-gray);
}
.citation-path-block summary {
  cursor: pointer;
  padding: 0.4rem 0.7rem;
  font-size: 0.82rem;
  color: var(--seal-red);
  background: var(--card-cream);
  font-family: 'Source Sans 3', sans-serif;
}
.citation-path-block[open] summary { border-bottom: 1px solid var(--rule-gray); }
.citation-path-list {
  list-style: decimal inside;
  padding: 0.6rem 0.8rem;
  font-size: 0.82rem;
  color: var(--ink-charcoal);
}
.citation-path-list li {
  margin-bottom: 0.4rem;
  line-height: 1.5;
  font-family: 'Source Sans 3', sans-serif;
}
.cp-step { color: var(--seal-red); font-weight: 600; }
.cp-action { color: var(--ink-charcoal); }
.cp-input { font-style: italic; color: var(--archival-brown); }
.cp-coll { color: var(--seal-red); }
.cp-cite { color: var(--archival-brown); font-size: 0.78rem; }

/* Ledger toggle */
.evidence-ledger-toggle {
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--seal-red);
  padding: 0.3rem 0;
  user-select: none;
}
.evidence-ledger {
  display: none;
  margin-top: 0.4rem;
  background: var(--evidence-tint);
  border: 1px solid var(--rule-gray);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
}
.evidence-ledger.open { display: block; }
.evidence-ledger-row {
  display: grid;
  grid-template-columns: 0.4fr 1fr 1.2fr 0.8fr 0.8fr;
  gap: 0.5rem;
  padding: 0.3rem 0.5rem;
  border-bottom: 1px solid var(--rule-gray);
}
.evidence-ledger-row:hover { background: var(--paper-white); }
.selected-yes { color: var(--status-green); font-weight: 600; }

/* v0.3 NEW: footer meta (collection + workspace) */
.evidence-card-footer-meta {
  margin-top: 0.5rem;
  padding-top: 0.4rem;
  border-top: 1px dashed var(--rule-gray);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--archival-brown);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.ecfm-coll { padding: 0.15rem 0.4rem; background: var(--card-cream); }
.evidence-card-workspace {
  margin-top: 0.3rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--archival-brown);
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

/* Citation Viewer */
.citation-viewer {
  display: none;
  background: var(--card-cream);
  border: 1px solid var(--seal-red);
  padding: 0.8rem;
  margin-top: 0.5rem;
  position: relative;
}
.citation-viewer.open { display: block; }
.citation-viewer-close {
  position: absolute;
  top: 0.3rem;
  right: 0.5rem;
  cursor: pointer;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--seal-red);
  font-size: 0.85rem;
}
.citation-viewer-field {
  display: flex;
  gap: 0.5rem;
  padding: 0.25rem 0;
  border-bottom: 1px dashed var(--rule-gray);
}
.citation-viewer-field-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--archival-brown);
  width: 8rem;
}

/* ============================================================
   PAGE VIEWER FRAMEWORK
   ============================================================ */
.page-viewer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.8rem;
  margin: 0.75rem 0;
}
.page-viewer {
  background: var(--paper-white);
  border: 1px solid var(--rule-gray);
  padding: 0.5rem;
}
.page-viewer-frame {
  aspect-ratio: 4 / 5;
  background: var(--card-cream);
  border: 1px dashed var(--rule-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.page-viewer-frame.framework-only::before {
  content: 'IIIF canvas placeholder · v0.3 framework — image disabled';
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  color: var(--archival-brown);
  text-align: center;
  padding: 0 0.5rem;
  line-height: 1.3;
}
.page-viewer figcaption {
  margin-top: 0.3rem;
  font-size: 0.72rem;
  color: var(--archival-brown);
  text-align: center;
}

/* ============================================================
   WORK ROW (overview page)
   ============================================================ */
.work-row {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr 1.5fr 1.5fr;
  gap: 0.5rem;
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--rule-gray);
  font-size: 0.85rem;
  align-items: center;
}
.work-row:nth-child(odd) { background: var(--card-cream); }
.work-title a { color: var(--ink-charcoal); border-bottom: none; font-weight: 600; }
.work-title a:hover { color: var(--seal-red); border-bottom: none; }
.work-author, .work-dynasty { font-size: 0.78rem; color: var(--archival-brown); }
.work-pages { font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem; color: var(--archival-brown); }

/* ============================================================
   MAP PLACEHOLDER
   ============================================================ */
.map-placeholder {
  position: relative;
  width: 100%;
  max-width: 600px;
  margin: 1rem auto;
  background: var(--card-cream);
  border: 1px solid var(--rule-gray);
  padding: 1rem;
}
.map-svg {
  width: 100%;
  height: auto;
  display: block;
}
.map-point {
  fill: var(--seal-red);
  cursor: pointer;
  transition: r 0.15s ease;
}
.map-point:hover {
  r: 1.2;
  fill: var(--archival-brown);
}
.map-tooltip {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--ink-charcoal);
  color: var(--paper-white);
  padding: 0.4rem 0.7rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  max-width: 280px;
}

/* ============================================================
   VERIFIED
   ============================================================ */
.verified {
  color: var(--status-green);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--card-cream);
  border-top: 1px solid var(--rule-gray);
  padding: 1.5rem 2rem;
  max-width: var(--max-width);
  margin: 2rem auto 0 auto;
  font-size: 0.78rem;
  color: var(--archival-brown);
  text-align: center;
  line-height: 1.7;
}
footer a { color: var(--archival-brown); border-bottom: 1px solid var(--rule-gray); }

/* ============================================================
   TIMELINE TABLE
   ============================================================ */
#timeline .meta-table th { width: 15%; }
#timeline .meta-table th:nth-child(2) { width: 15%; }
#timeline .meta-table th:nth-child(3) { width: 25%; }
#timeline .meta-table th:nth-child(4) { width: 45%; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 720px) {
  .body { padding: 1rem; }
  .case-section { padding-left: 2.5rem; }
  .section-num { width: 1.8rem; height: 1.8rem; font-size: 0.85rem; }
  .work-row { grid-template-columns: 1fr; }
  .evidence-ledger-row { grid-template-columns: 1fr; }
  .evidence-card-header { flex-direction: column; }
}
/* ============================================================
   v0.4 NEW: Place Card + Place Filter Bar + Evidence Graph SVG
   ============================================================ */
.place-card { background: var(--card-cream); border: 1px solid var(--rule-gray); padding: 1rem; cursor: pointer; transition: background 0.1s ease; }
.place-card:hover { background: var(--evidence-tint); }

.place-filter-bar { margin-bottom: 1rem; padding: 0.6rem 0; border-bottom: 1px solid var(--rule-gray); }
.place-filter-bar button.badge { background: var(--paper-white); }
.place-filter-bar button.badge:hover { background: var(--evidence-tint); }

.evidence-graph-svg {
  width: 100%;
  overflow-x: auto;
  background: var(--card-cream);
  border: 1px solid var(--rule-gray);
  padding: 0.5rem;
}
.evidence-graph-svg svg { display: block; max-width: 100%; }

/* ============================================================
   v0.4 NEW: Fieldwork Timeline + Status Badges
   ============================================================ */
.fieldwork-timeline {
  margin: 1rem 0;
}
.fieldwork-record {
  background: var(--card-cream);
  border: 1px solid var(--rule-gray);
  border-left: 4px solid var(--seal-red);
  padding: 1rem;
  margin-bottom: 1rem;
}
.fieldwork-record-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.fieldwork-record-id {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--seal-red);
}

/* Status-specific colors */
.badge-status-draft { color: var(--seal-red); border-color: var(--seal-red); }
.badge-status-placeholder { color: var(--rule-gray); border-color: var(--rule-gray); border-style: dashed; }
.badge-status-reviewed { color: var(--status-green); border-color: var(--status-green); }
.badge-status-archived { color: var(--archival-brown); border-color: var(--rule-gray); }

/* Phase timeline */
.phase-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  margin: 1rem 0;
}
.phase-step {
  background: var(--card-cream);
  border: 1px solid var(--rule-gray);
  padding: 0.6rem;
  text-align: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
}
.phase-step-label { font-weight: 600; color: var(--seal-red); margin-bottom: 0.3rem; }
.phase-step-duration { color: var(--archival-brown); }
@media (max-width: 720px) {
  .phase-timeline { grid-template-columns: 1fr; }
}

/* ============================================================
   v0.5 NEW: Research Workspace Card + Detail + RQ Chip + Gap Indicator
   ============================================================ */
.workspace-card { background: var(--card-cream); border: 1px solid var(--rule-gray); padding: 1rem; cursor: pointer; transition: background 0.1s ease; }
.workspace-card:hover { background: var(--evidence-tint); }

.workspace-detail { margin-top: 0.8rem; padding: 0.8rem; background: var(--paper-white); border: 1px dashed var(--rule-gray); }

.rq-chip { display: inline-block; padding: 0.1rem 0.4rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; border: 1px solid var(--seal-red); color: var(--seal-red); margin-right: 0.3rem; }
.rq-status-open { color: var(--seal-red); border-color: var(--seal-red); }
.rq-status-answered { color: var(--status-green); border-color: var(--status-green); }
.rq-status-deferred { color: var(--archival-brown); border-color: var(--archival-brown); border-style: dashed; }

.gap-indicator { display: inline-block; padding: 0.1rem 0.4rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; margin-right: 0.3rem; }
.gap-status-open { color: var(--seal-red); border: 1px solid var(--seal-red); }
.gap-status-deferred { color: var(--archival-brown); border: 1px dashed var(--archival-brown); }
.gap-status-closed { color: var(--status-green); border: 1px solid var(--status-green); }

.toggle-btn { background: transparent; border: 1px solid var(--rule-gray); padding: 0.3rem 0.8rem; cursor: pointer; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--seal-red); margin-top: 0.6rem; }
.toggle-btn:hover { background: var(--evidence-tint); }

/* ============================================================
   v0.5 NEW: Field Note Card
   ============================================================ */
.field-note-card { background: var(--card-cream); border: 1px solid var(--rule-gray); border-left: 4px solid var(--archival-brown); padding: 1rem; cursor: pointer; transition: background 0.1s ease; }
.field-note-card:hover { background: var(--evidence-tint); }
.field-note-place { font-family: 'IBM Plex Mono', monospace; color: var(--archival-brown); }

/* ============================================================
   v0.5 NEW: Timeline Tracks + Event Marker
   ============================================================ */
.timeline-tracks { margin: 1rem 0; }
.timeline-layer { background: var(--paper-white); padding: 0.5rem; }
.timeline-events { padding-left: 0.5rem; border-left: 1px dashed var(--rule-gray); }
.timeline-event { background: var(--card-cream); padding: 0.6rem; margin-bottom: 0.5rem; cursor: pointer; transition: background 0.1s ease; }
.timeline-event:hover { background: var(--evidence-tint); }

/* Place filter bar - reuse v0.4 */
.place-filter-bar button.badge.active { background: var(--seal-red); color: var(--paper-white); border-color: var(--seal-red); }

/* ============================================================
   v0.5 NEW: Cards grid 3-col
   ============================================================ */
.cards-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1rem; }
@media (max-width: 1080px) { .cards-grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .cards-grid-3 { grid-template-columns: 1fr; } }

/* ============================================================
   v0.6 NEW: Project Card + Project Detail
   ============================================================ */
.project-card { background: var(--card-cream); border: 1px solid var(--rule-gray); padding: 1rem; cursor: pointer; transition: background 0.1s ease; }
.project-card:hover { background: var(--evidence-tint); }

.project-detail { margin-top: 0.8rem; padding: 0.8rem; background: var(--paper-white); border: 1px dashed var(--rule-gray); }

.evidence-card-mono-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.3rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; }
.evidence-card-mono-grid span { background: var(--paper-white); padding: 0.2rem 0.4rem; border: 1px solid var(--rule-gray); }
@media (max-width: 720px) { .evidence-card-mono-grid { grid-template-columns: 1fr; } }

/* ============================================================
   v0.6 NEW: Place Profile Card + Place Profile Detail
   ============================================================ */
.place-profile-card { background: var(--card-cream); border: 1px solid var(--rule-gray); padding: 1rem; cursor: pointer; transition: background 0.1s ease; }
.place-profile-card:hover { background: var(--evidence-tint); }

.place-profile-detail { margin-top: 0.8rem; padding: 0.8rem; background: var(--paper-white); border: 1px dashed var(--rule-gray); }

.place-meta-row { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.3rem 0; }

/* ============================================================
   v0.6 NEW: Schema Doc Block + Validation Rule
   ============================================================ */
.schema-doc { background: var(--paper-white); border: 1px solid var(--rule-gray); padding: 1rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; line-height: 1.5; overflow-x: auto; }
.schema-doc code { background: transparent; padding: 0; }

.validation-rule { background: var(--card-cream); border-left: 4px solid var(--seal-red); padding: 0.6rem 1rem; margin-bottom: 0.5rem; }

/* ============================================================
   v0.6 NEW: Archive Bridge Field Highlight
   ============================================================ */
.archive-field { background: var(--card-cream); border-left: 4px solid var(--archival-brown); padding: 0.5rem 0.8rem; margin-bottom: 0.4rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.82rem; }
.archive-field-note { font-family: 'Source Serif 4', serif; font-size: 0.85rem; color: var(--archival-brown); margin-top: 0.3rem; }

/* ============================================================
   v0.6 NEW: Lists + Ol numbering (uniform)
   ============================================================ */
main ol { margin: 0.6rem 0; padding-left: 1.4rem; }
main ol li { margin-bottom: 0.4rem; line-height: 1.6; }

/* Place filter bar - reuse v0.4/v0.5 */
.place-filter-bar button.badge.active { background: var(--seal-red); color: var(--paper-white); border-color: var(--seal-red); }

/* ============================================================
   v0.7 NEW: State Bar (Binding State Distribution)
   ============================================================ */
.state-bar-row { display: grid; grid-template-columns: minmax(280px, 2fr) 3fr minmax(100px, 1fr); gap: 0.6rem; align-items: center; padding: 0.4rem 0; border-bottom: 1px dashed var(--rule-gray); }
.state-bar-row:last-child { border-bottom: 0; }
.state-bar-label { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--ink-charcoal); }
.state-bar-track { height: 16px; background: var(--paper-white); border: 1px solid var(--rule-gray); position: relative; }
.state-bar-fill { height: 100%; transition: width 0.3s ease; }
.state-bar-count { font-family: 'IBM Plex Mono', monospace; font-size: 0.8rem; color: var(--archival-brown); text-align: right; }

@media (max-width: 720px) {
  .state-bar-row { grid-template-columns: 1fr; gap: 0.3rem; }
  .state-bar-track { width: 100%; }
}

/* ============================================================
   v0.7 NEW: Draft Card + Tab System
   ============================================================ */
.draft-card { background: var(--card-cream); border: 1px solid var(--rule-gray); padding: 1rem; margin-bottom: 1rem; }
.draft-card-head { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 0.4rem; }
.draft-card-head h4 { margin: 0; font-family: 'IBM Plex Mono', monospace; font-size: 1.05rem; color: var(--ink-charcoal); }
.draft-card-meta { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.draft-card-meta p { margin: 0.3rem 0; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; }
.draft-card-stats { margin: 0.5rem 0; padding-left: 1.4rem; }
.draft-card-stats li { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; padding: 0.15rem 0; }
.draft-card-note { font-size: 0.85rem; color: var(--archival-brown); padding: 0.4rem 0.6rem; background: var(--paper-white); border-left: 3px solid var(--seal-red); margin-top: 0.4rem; }

.draft-card-tabs { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.6rem; border-bottom: 1px solid var(--rule-gray); padding-bottom: 0.4rem; }
.tab-btn { background: var(--paper-white); border: 1px solid var(--rule-gray); padding: 0.3rem 0.7rem; font-family: 'Source Serif 4', serif; font-size: 0.85rem; cursor: pointer; color: var(--ink-charcoal); }
.tab-btn:hover { background: var(--evidence-tint); }
.tab-btn.active { background: var(--seal-red); color: var(--paper-white); border-color: var(--seal-red); }
.draft-card-pane { padding: 0.8rem 0; }
.draft-card-pane h5 { font-family: 'Source Serif 4', serif; font-size: 0.95rem; margin: 0.3rem 0 0.5rem 0; color: var(--ink-charcoal); }
.draft-card-pane ol { margin: 0; padding-left: 1.4rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; line-height: 1.7; }
.draft-card-pane p { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; margin: 0.3rem 0; }

.cards-grid-1 { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (max-width: 720px) { .cards-grid-1 { grid-template-columns: 1fr; } }

/* ============================================================
   v0.7 NEW: Bridge Namespace Card
   ============================================================ */
.bridge-card-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
@media (max-width: 720px) { .bridge-card-list { grid-template-columns: 1fr; } }
.bridge-namespace-card { background: var(--card-cream); border: 1px solid var(--rule-gray); padding: 0.7rem 1rem; }
.bridge-namespace-head { font-family: 'IBM Plex Mono', monospace; font-size: 0.85rem; color: var(--ink-charcoal); margin-bottom: 0.3rem; }
.bridge-namespace-card p { margin: 0.2rem 0; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; }
.bridge-namespace-card p:last-child { font-family: 'Source Serif 4', serif; color: var(--archival-brown); font-size: 0.85rem; }

/* ============================================================
   v0.7 NEW: Data Table (lighter than stats-table)
   ============================================================ */
.data-table { width: 100%; border-collapse: collapse; margin: 0.5rem 0; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; }
.data-table thead th { background: var(--card-cream); border: 1px solid var(--rule-gray); padding: 0.4rem 0.6rem; text-align: left; font-weight: 600; }
.data-table tbody td { border: 1px solid var(--rule-gray); padding: 0.4rem 0.6rem; }
.data-table tbody tr:hover { background: var(--evidence-tint); }

/* ============================================================
   v0.7 NEW: Project Card (inherited v0.6 + extended)
   ============================================================ */
.cards-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
@media (max-width: 1024px) { .cards-grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 720px) { .cards-grid-3 { grid-template-columns: 1fr; } }

.project-card-head { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.4rem; }
.project-card-title { font-family: 'Source Serif 4', serif; font-size: 1rem; color: var(--ink-charcoal); margin: 0.3rem 0; font-weight: 600; }
.project-card-stats { margin: 0.4rem 0; padding-left: 1.4rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; }
.project-card-stats li { padding: 0.15rem 0; }
.project-card-meta { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--archival-brown); margin: 0.2rem 0; }

/* ============================================================
   v0.7 NEW: Badge Language + General Extensions
   ============================================================ */
.badge.badge-language { background: var(--archival-brown); color: var(--paper-white); border-color: var(--archival-brown); }
.badge.badge-version { background: var(--ink-charcoal); color: var(--paper-white); border-color: var(--ink-charcoal); }
.badge.badge-status { background: var(--card-cream); color: var(--ink-charcoal); border-color: var(--rule-gray); }

/* ============================================================
   v0.8 NEW: Article Card + Article Tabs
   ============================================================ */
.article-card { background: var(--card-cream); border: 1px solid var(--rule-gray); padding: 1rem; margin-bottom: 1rem; }
.article-card-head { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.4rem; }
.article-card-head h4 { margin: 0; font-family: 'IBM Plex Mono', monospace; font-size: 1.05rem; color: var(--ink-charcoal); }
.article-card-meta { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.article-card-meta p { margin: 0.2rem 0; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; }
.article-card-stats { margin: 0.4rem 0; padding-left: 1.4rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; }
.article-card-stats li { padding: 0.15rem 0; }
.article-card-note { font-size: 0.85rem; color: var(--archival-brown); padding: 0.4rem 0.6rem; background: var(--paper-white); border-left: 3px solid var(--seal-red); margin-top: 0.4rem; }

.article-card-tabs { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.6rem; border-bottom: 1px solid var(--rule-gray); padding-bottom: 0.4rem; }
.article-card-pane { padding: 0.8rem 0; }
.article-card-pane h5 { font-family: 'Source Serif 4', serif; font-size: 0.95rem; margin: 0.3rem 0 0.5rem 0; color: var(--ink-charcoal); }
.article-card-pane p { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; margin: 0.3rem 0; }
.article-card-pane ol { margin: 0; padding-left: 1.4rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; line-height: 1.7; }

/* ============================================================
   v0.8 NEW: Review Status Badges
   ============================================================ */
.badge.badge-review-draft { background: var(--rule-gray); color: var(--ink-charcoal); border-color: var(--rule-gray); }
.badge.badge-review-review { background: var(--archival-brown); color: var(--paper-white); border-color: var(--archival-brown); }
.badge.badge-revised { background: var(--seal-red); color: var(--paper-white); border-color: var(--seal-red); }
.badge.badge-publication { background: var(--status-green); color: var(--paper-white); border-color: var(--status-green); }
.badge.disabled-badge { background: var(--paper-white); color: var(--rule-gray); border: 1px dashed var(--rule-gray); cursor: not-allowed; }
.badge.badge-success { background: var(--status-green); color: var(--paper-white); border-color: var(--status-green); }
.badge.badge-danger { background: var(--seal-red); color: var(--paper-white); border-color: var(--seal-red); }

/* ============================================================
   v0.8 NEW: Workflow State Machine (visual diagram)
   ============================================================ */
.workflow-machine { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
@media (max-width: 1024px) { .workflow-machine { grid-template-columns: 1fr; } }

.state-machine-card { background: var(--card-cream); border: 1px solid var(--rule-gray); padding: 0.8rem 1rem; position: relative; }
.state-machine-card h4 { margin: 0 0 0.3rem 0; font-family: 'IBM Plex Mono', monospace; font-size: 1.05rem; color: var(--ink-charcoal); }
.state-machine-card p { margin: 0.3rem 0; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; line-height: 1.5; }
.state-machine-card ol { margin: 0.3rem 0; padding-left: 1.4rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; line-height: 1.6; }
.state-machine-card ul { margin: 0.3rem 0; padding-left: 1.4rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; line-height: 1.6; }
.state-machine-card .boundary-note { font-size: 0.85rem; color: var(--seal-red); padding: 0.4rem 0.6rem; background: var(--paper-white); border-left: 3px solid var(--seal-red); margin-top: 0.4rem; }

/* ============================================================
   v0.8 NEW: Format Tabs (export page)
   ============================================================ */
.format-tabs { display: flex; flex-wrap: wrap; gap: 0.3rem; border-bottom: 1px solid var(--rule-gray); padding-bottom: 0.4rem; }
.format-tab-btn { background: var(--paper-white); border: 1px solid var(--rule-gray); padding: 0.4rem 0.8rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.85rem; cursor: pointer; color: var(--ink-charcoal); }
.format-tab-btn:hover { background: var(--evidence-tint); }
.format-tab-btn.active { background: var(--seal-red); color: var(--paper-white); border-color: var(--seal-red); }

/* ============================================================
   v0.8 NEW: Code Block (for Markdown / CSL JSON / BibTeX previews)
   ============================================================ */
.code-block { background: var(--paper-white); border: 1px solid var(--rule-gray); padding: 0.8rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem; line-height: 1.5; overflow-x: auto; white-space: pre-wrap; max-height: 400px; overflow-y: auto; }

/* ============================================================
   v0.9 NEW: Public Article Page (8 段语义结构)
   ============================================================ */
.public-page-section { background: var(--paper-white); border: 1px solid var(--rule-gray); padding: 1rem 1.2rem; margin-bottom: 1rem; }
.public-page-section h3 { font-family: 'Source Serif 4', serif; font-size: 1.1rem; color: var(--ink-charcoal); margin: 0 0 0.6rem 0; padding-bottom: 0.4rem; border-bottom: 1px solid var(--rule-gray); }
.public-page-block { background: var(--card-cream); border: 1px solid var(--rule-gray); padding: 0.6rem 0.8rem; margin-bottom: 0.4rem; }
.public-page-block-head { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--seal-red); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.3rem; font-weight: 600; }
.public-page-block-body { font-family: 'Source Serif 4', serif; font-size: 0.95rem; color: var(--ink-charcoal); line-height: 1.6; }
.public-page-block-body p { margin: 0.3rem 0; }

/* ============================================================
   v0.9 NEW: Review Card (Peer Review Records page)
   ============================================================ */
.review-card { background: var(--card-cream); border: 1px solid var(--rule-gray); padding: 0.8rem 1rem; margin-bottom: 1rem; }
.review-card-head { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.4rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--rule-gray); }
.review-card-head h4 { margin: 0; font-family: 'IBM Plex Mono', monospace; font-size: 1.05rem; color: var(--ink-charcoal); }
.review-card-meta { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; line-height: 1.55; padding: 0.4rem 0; }
.review-card-meta p { margin: 0.2rem 0; }
.review-tabs { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.4rem; border-bottom: 1px solid var(--rule-gray); padding-bottom: 0.4rem; }
.review-tab-pane { padding: 0.6rem 0; font-family: 'Source Serif 4', serif; font-size: 0.9rem; }
.review-tab-pane p { margin: 0.3rem 0; }
.rubric-comment { background: var(--paper-white); border-left: 3px solid var(--seal-red); padding: 0.5rem 0.7rem; margin-bottom: 0.5rem; }
.rubric-comment-head { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--ink-charcoal); margin-bottom: 0.3rem; }
.rubric-comment p { margin: 0.2rem 0; font-size: 0.88rem; }
.rubric-comment-meta { color: var(--archival-brown); font-size: 0.78rem; }
.review-score-band { font-family: 'IBM Plex Mono', monospace; font-weight: 600; }
.review-footer-disclaimer { background: var(--evidence-tint); border: 1px dashed var(--seal-red); padding: 0.8rem 1rem; margin: 1rem 0; }
.review-footer-disclaimer p { margin: 0; font-family: 'Source Serif 4', serif; font-size: 0.88rem; color: var(--ink-charcoal); }

/* ============================================================
   v0.9 NEW: Portfolio Section (5 sections aggregator)
   ============================================================ */
.portfolio-section { background: var(--paper-white); border: 1px solid var(--rule-gray); padding: 1rem 1.2rem; margin-bottom: 1rem; }
.portfolio-section h3 { font-family: 'Source Serif 4', serif; font-size: 1.15rem; color: var(--ink-charcoal); margin: 0 0 0.5rem 0; padding-bottom: 0.4rem; border-bottom: 1px solid var(--rule-gray); }
.portfolio-section h3 small { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--archival-brown); font-weight: normal; }
.portfolio-item-card { background: var(--card-cream); border: 1px solid var(--rule-gray); padding: 0.7rem 0.9rem; height: 100%; }
.portfolio-item-card-head { font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; color: var(--seal-red); margin-bottom: 0.3rem; }
.portfolio-item-card h4 { margin: 0 0 0.2rem 0; font-family: 'Source Serif 4', serif; font-size: 0.95rem; color: var(--ink-charcoal); }
.portfolio-item-card p { margin: 0.2rem 0; font-size: 0.82rem; line-height: 1.45; }
.portfolio-item-card p em { color: var(--archival-brown); font-size: 0.78rem; }
.portfolio-item-card-meta { font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; color: var(--archival-brown); margin-top: 0.3rem; padding-top: 0.3rem; border-top: 1px dashed var(--rule-gray); }

/* ============================================================
   v0.9 NEW: Disabled Badge (BOUNDARY_FORBIDDEN visual marker)
   ============================================================ */
.badge.disabled-badge { background: var(--paper-white); color: var(--rule-gray); border: 1px dashed var(--rule-gray); font-family: 'IBM Plex Mono', monospace; padding: 0.18rem 0.5rem; font-size: 0.7rem; }