/* AI Harm Landscape — site styles
   Design language baseline: PORTFOLIO_OPS v1.0.0 (Playfair Display + Inter +
   JetBrains Mono; navy #1a365d / forest #2D4A3E / warm-amber #D4A84B).
   Project-distinct calibrations: sober treatment for safety-sensitive content
   (high-contrast disclaimer; light-blue crisis-resources block; no animations;
   18px base font; skip-link).
   Authored: P5.1 HTML scaffolding (Branch-2 / B2_AI_Harm_Landscape S86). */

/* ─── Reset + base ─── */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 18px; line-height: 1.65; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #1a1a1a;
  background: #fafaf7;
  text-rendering: optimizeLegibility;
}
@media (max-width: 600px) { html { font-size: 17px; } }

img, svg { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }

/* ─── Color tokens ─── */
:root {
  --navy: #1a365d;
  --navy-deep: #0f2543;
  --forest: #2D4A3E;
  --forest-light: #4a6e5d;
  --amber: #D4A84B;
  --amber-soft: #f5e6c4;
  --paper: #fafaf7;
  --paper-warm: #f4f1e8;
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --ink-mute: #6b6b6b;
  --rule: #d6d2c4;
  --crisis-bg: #e8f0f7;
  --crisis-border: #4a7ba8;
  --disclaimer-bg: #f7f2e8;
  --disclaimer-border: #8a6f2e;
  --grad-bg: #fdf8eb;
  --grad-border: var(--amber);
}

/* ─── Skip link (accessibility) ─── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 0.75rem 1rem;
  text-decoration: none;
  z-index: 999;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* ─── Layout ─── */
.container {
  max-width: 76ch;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container-wide { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }

/* ─── Site header / nav ─── */
.site-header {
  background: var(--navy);
  color: #fff;
  border-bottom: 4px solid var(--amber);
}
.site-header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem 2rem;
}
.site-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}
.site-title a { color: #fff; text-decoration: none; }
.site-tagline {
  color: var(--amber-soft);
  font-size: 0.875rem;
  font-style: italic;
  margin: 0;
}
.site-nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}
.site-nav a {
  color: #fff;
  text-decoration: none;
  font-size: 0.875rem;
  padding: 0.25rem 0.5rem;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover, .site-nav a:focus {
  border-bottom-color: var(--amber);
  outline: none;
}
.site-nav a[aria-current="page"] {
  border-bottom-color: var(--amber);
}

/* ─── Hero (landing) ─── */
.hero {
  background: linear-gradient(180deg, var(--paper-warm) 0%, var(--paper) 100%);
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--rule);
}
.hero h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.5rem;
  line-height: 1.15;
  margin: 0 0 0.75rem;
  color: var(--navy-deep);
}
.hero .lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 0 1rem;
}
.hero .meta {
  font-size: 0.875rem;
  color: var(--ink-mute);
  font-family: 'JetBrains Mono', Menlo, Consolas, monospace;
}

/* ─── Headings ─── */
h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--navy-deep);
  line-height: 1.25;
  margin: 2rem 0 0.75rem;
}
h2 { font-size: 1.75rem; border-bottom: 2px solid var(--amber); padding-bottom: 0.4rem; }
h3 { font-size: 1.35rem; color: var(--forest); }
h4 { font-size: 1.1rem; color: var(--forest); }

main p, main li { font-size: 1rem; line-height: 1.65; }
main a {
  color: var(--navy);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
main a:hover, main a:focus { color: var(--amber); }

ul, ol { padding-left: 1.5rem; }
li { margin: 0.4rem 0; }

hr.section-rule {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

/* ─── Disclaimer block (sober, high-contrast — NOT decorative) ─── */
.disclaimer-block {
  background: var(--disclaimer-bg);
  border-left: 5px solid var(--disclaimer-border);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.disclaimer-block strong { color: var(--navy-deep); }
.disclaimer-block p { margin: 0.5rem 0; }
.disclaimer-block h2, .disclaimer-block h3 {
  margin-top: 0;
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  color: var(--navy-deep);
  border: none;
  padding: 0;
}

/* ─── Crisis resources block (light-blue; visually distinct) ─── */
.crisis-resources {
  background: var(--crisis-bg);
  border-left: 5px solid var(--crisis-border);
  padding: 1rem 1.5rem;
  margin: 1rem 0 2rem;
  font-size: 0.95rem;
}
.crisis-resources ul { list-style: none; padding-left: 0; }
.crisis-resources li {
  padding: 0.3rem 0;
  border-bottom: 1px dashed rgba(74, 123, 168, 0.3);
}
.crisis-resources li:last-child { border-bottom: none; }
.crisis-resources strong { color: var(--navy-deep); }
.crisis-resources a { color: var(--navy); }

/* ─── Grad-intern callout (amber accent sidebar) ─── */
.grad-intern-callout {
  background: var(--grad-bg);
  border-left: 4px solid var(--grad-border);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.grad-intern-callout::before {
  content: "GRAD-INTERN";
  display: inline-block;
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--forest);
  background: var(--amber-soft);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  margin-bottom: 0.5rem;
}
.grad-intern-callout p:first-of-type { margin-top: 0.5rem; }
.grad-intern-callout p { margin: 0.6rem 0; }

/* ─── Insight box ─── */
.insight-box {
  background: var(--paper-warm);
  border: 1px solid var(--rule);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
}

/* ─── Quote block ─── */
.quote-block {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 1.1rem;
  border-left: 4px solid var(--forest);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  color: var(--ink-soft);
}
.quote-block cite {
  display: block;
  font-style: normal;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: var(--ink-mute);
  margin-top: 0.5rem;
}

/* ─── Evidence table ─── */
.evidence-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.evidence-table th, .evidence-table td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
.evidence-table th {
  background: var(--paper-warm);
  font-weight: 600;
  color: var(--navy-deep);
}
.evidence-table tr:hover td { background: rgba(212, 168, 75, 0.05); }

/* ─── Metric grid + card ─── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.metric-card {
  background: #fff;
  border: 1px solid var(--rule);
  border-top: 4px solid var(--forest);
  padding: 1rem;
}
.metric-card .metric-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  margin-bottom: 0.4rem;
}
.metric-card .metric-value {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.6rem;
  color: var(--navy-deep);
  line-height: 1.1;
}

/* ─── Code block ─── */
pre, code {
  font-family: 'JetBrains Mono', Menlo, Consolas, monospace;
  font-size: 0.9rem;
}
pre {
  background: #f0ede0;
  border: 1px solid var(--rule);
  padding: 1rem;
  overflow-x: auto;
  border-radius: 2px;
}
code { background: #f0ede0; padding: 0.1rem 0.3rem; border-radius: 2px; }
pre code { background: transparent; padding: 0; }

/* ─── Tech badge ─── */
.tech-badge {
  display: inline-block;
  background: var(--forest);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  margin: 0.15rem 0.2rem 0.15rem 0;
  font-family: 'JetBrains Mono', Menlo, monospace;
}

/* ─── Tool section ─── */
.tool-section {
  background: #fff;
  border: 1px solid var(--rule);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

/* ─── Flow diagram container ─── */
.flow-diagram {
  margin: 2rem 0;
  text-align: center;
}
.flow-diagram svg { margin: 0 auto; }
.flow-diagram figcaption {
  font-size: 0.85rem;
  color: var(--ink-mute);
  margin-top: 0.5rem;
}

/* ─── Site landing — Part cards ─── */
.parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}
.part-card {
  background: #fff;
  border: 1px solid var(--rule);
  border-top: 4px solid var(--navy);
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  display: block;
}
.part-card:hover, .part-card:focus {
  border-color: var(--amber);
  outline: none;
}
.part-card .part-label {
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--forest);
  text-transform: uppercase;
}
.part-card h3 {
  font-size: 1.2rem;
  margin: 0.4rem 0 0.6rem;
  color: var(--navy-deep);
}
.part-card p {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: 0;
}

/* ─── Table of contents (in-page) ─── */
.page-toc {
  background: var(--paper-warm);
  border: 1px solid var(--rule);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0 2rem;
  font-size: 0.95rem;
}
.page-toc strong {
  display: block;
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--navy-deep);
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
}
.page-toc ol { list-style: decimal; padding-left: 1.5rem; margin: 0.4rem 0 0; }
.page-toc a { color: var(--navy); text-decoration: none; }
.page-toc a:hover { text-decoration: underline; }

/* ─── Part-page header ─── */
.part-header {
  background: var(--paper-warm);
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.part-header .part-label {
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--forest);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.part-header h1 {
  font-size: 2.25rem;
  margin: 0;
}

/* ─── Inter-page nav (prev / next) ─── */
.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 3rem 0 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--rule);
  font-size: 0.95rem;
}
.page-nav a {
  text-decoration: none;
  color: var(--navy);
  display: inline-block;
  padding: 0.5rem 0;
}
.page-nav .nav-prev::before { content: "← "; color: var(--amber); }
.page-nav .nav-next::after { content: " →"; color: var(--amber); }
.page-nav a:hover, .page-nav a:focus { color: var(--amber); }

/* ─── Footer ─── */
.site-footer {
  background: var(--navy-deep);
  color: var(--paper-warm);
  padding: 2rem 0 1.5rem;
  margin-top: 3rem;
  font-size: 0.875rem;
}
.site-footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
}
.site-footer a { color: var(--amber-soft); }
.site-footer p { margin: 0.4rem 0; }

/* ─── Print ─── */
@media print {
  body { background: #fff; color: #000; }
  .site-header, .site-footer, .skip-link, .page-nav { display: none; }
  .grad-intern-callout, .disclaimer-block, .crisis-resources {
    border: 1px solid #999;
    background: #fff;
  }
  a { color: #000; text-decoration: underline; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 0.85em; color: #555; }
}

/* ─── Reduced motion (no animations are used; explicit fallback for any user agents that add) ─── */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ─── Citations: CITATION_STANDARD v1.1.0 three-layer model ─── */
/* Layer 1: Bidirectional anchors (sup ref-N ↔ fn-N + fn-back) */
/* Layer 2: Source links + archive links + tier badges */
/* Layer 3: Quote links (text fragments / page anchors) */
/* Authored: P5.5 citation formalization (Branch-2 / B2_AI_Harm_Landscape S88). */

/* Layer 1: in-text superscript */
sup[id^="ref-"] {
  font-size: 0.7em;
  vertical-align: super;
  line-height: 0;
  margin-left: 0.1em;
}
sup[id^="ref-"] a {
  color: var(--navy);
  text-decoration: none;
  padding: 0 0.15em;
  border-radius: 2px;
}
sup[id^="ref-"] a:hover {
  background-color: var(--amber-soft);
  color: var(--navy-deep);
}

/* Footnotes section container */
.footnotes {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--rule);
  font-size: 0.92em;
  color: var(--ink-soft);
}
.footnotes h2 {
  font-size: 1.15em;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}
.footnote-item {
  padding: 0.5rem 0;
  border-bottom: 1px dotted var(--rule);
  line-height: 1.55;
}
.footnote-item:last-child { border-bottom: none; }
.footnote-item:target {
  background-color: var(--amber-soft);
  margin: 0.5rem -0.5rem;
  padding: 0.75rem 0.5rem;
  border-radius: 3px;
}

/* Layer 1: Back-link from footnote to body */
.fn-back {
  text-decoration: none;
  color: var(--navy);
  font-size: 0.85em;
  margin-right: 0.5em;
  font-weight: 600;
}
.fn-back:hover { color: var(--forest); }

/* Layer 2: Source link wrapping Bluebook citation text */
.source-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted var(--ink-mute);
}
.source-link:hover {
  color: var(--navy);
  border-bottom-style: solid;
}

/* Layer 2: Archive link */
.archive-link {
  font-size: 0.75em;
  color: var(--ink-mute);
  text-decoration: none;
  opacity: 0.7;
  margin-left: 0.25em;
}
.archive-link:hover {
  opacity: 1;
  color: var(--navy);
}

/* Layer 2: Tier badges */
.tier-badge {
  font-size: 0.65em;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: 0.5em;
  vertical-align: middle;
  letter-spacing: 0.04em;
}
.tier-gold {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #f59e0b;
}
.tier-silver {
  background-color: #f1f5f9;
  color: #475569;
  border: 1px solid #94a3b8;
}

/* Layer 3: Quote links wrapping body quotes */
.quote-link {
  color: inherit;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-color: var(--ink-mute);
  text-underline-offset: 2px;
}
.quote-link:hover {
  text-decoration-style: solid;
  text-decoration-color: var(--navy);
  background-color: rgba(245, 230, 196, 0.4);
}

/* Print: footnotes show URLs explicitly per print stylesheet pattern */
@media print {
  .footnote-item .source-link { border-bottom: none; }
  .archive-link { display: none; }
  .tier-badge { border: 1px solid #999; background: #fff; color: #333; }
}

/* === BEGIN S128 ADDITIONS (D-12 click-verify UX) === */
/* AI Harm Landscape -- S128 D-12 click-verify UX additions
   ==========================================================
   Authored: P5.9.A.2 / S128 / 2026-05-16
   Extends existing CITATION_STANDARD v1.1.0 base styles (S88 P5.5)
   with: inline 2-D badges, click-popover, hover-tooltip, /citations/
   index page, home page hero, content section helpers, footer meta.
   No external dependencies. Uses existing CSS custom properties. */

/* ─── Content section helpers (new render emits these wrappers) ─── */
.content-section, .disclaimer-section {
  margin: 2rem 0;
}
.content-section h2, .disclaimer-section h2 {
  margin-top: 2rem;
}
.content-section h3 {
  margin-top: 1.5rem;
}
.content-list {
  /* base ul styling already applies; this is for any future overrides */
}

/* ─── Content figure (S142 — wired §II.3 ecosystem map + future content images) ─── */
.content-figure {
  margin: 1.75rem 0;
  text-align: center;
}
.content-figure img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: 3px;
}
.content-figure figcaption {
  margin: 0.6rem auto 0;
  max-width: 60ch;
  font-size: 0.85rem;
  color: var(--ink-mute);
  font-style: italic;
}

/* ─── GRAD-INTERN aside (alias to existing .grad-intern-callout pattern) ─── */
.grad-intern {
  background: var(--grad-bg);
  border-left: 4px solid var(--grad-border);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.grad-intern-header {
  display: inline-block;
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--forest);
  background: var(--amber-soft);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  margin-bottom: 0.75rem;
}
.grad-intern p:first-of-type { margin-top: 0.5rem; }
.grad-intern p { margin: 0.6rem 0; }

/* ─── Footer meta ─── */
.site-footer .footer-meta {
  margin-top: 0.75rem;
  font-size: 0.78rem;
  color: var(--paper-warm);
  opacity: 0.7;
  font-family: 'JetBrains Mono', Menlo, monospace;
}
.site-footer .footer-meta code {
  background: rgba(255,255,255,0.08);
  color: var(--amber-soft);
  padding: 0.1rem 0.4rem;
}

/* ─── Home page hero + TOC ─── */
.home-hero {
  padding: 2rem 0 1rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2rem;
}
.home-hero h1 {
  font-size: 2.5rem;
  margin: 0.5rem 0;
  color: var(--navy-deep);
}
.home-hero .lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0.5rem 0 1rem;
}
.home-toc {
  margin: 2rem 0;
}
.home-toc h2 {
  font-size: 1.25rem;
  border: none;
  padding: 0;
}
.home-toc ol {
  list-style: decimal;
  padding-left: 1.5rem;
  margin: 0.5rem 0;
}
.home-toc li {
  margin: 0.5rem 0;
  font-size: 1rem;
}
.home-toc a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.home-toc a:hover, .home-toc a:focus {
  border-bottom-color: var(--amber);
  color: var(--navy-deep);
}

/* ═══════════════════════════════════════════════════════════════════
   CLICK-VERIFY UX (D-12, S128)
   Inline 2-D badge → hover-tooltip (R-A) → click-popover (D-12 §3.3)
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Inline citation badge (the click/hover target) ─── */
.cite-pin {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  vertical-align: baseline;
  font-family: 'JetBrains Mono', Menlo, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.18rem 0.4rem 0.18rem 0.3rem;
  margin: 0 0.1rem;
  border: 1px solid currentColor;
  border-radius: 3px;
  background: rgba(255,255,255,0.6);
  cursor: pointer;
  color: var(--navy);
  transition: background-color 0.12s ease, transform 0.12s ease, box-shadow 0.12s ease;
  position: relative;
  top: -1px;
}
.cite-pin:hover, .cite-pin:focus-visible {
  background: var(--amber-soft);
  outline: none;
  box-shadow: 0 0 0 2px var(--amber);
}
.cite-pin:active {
  transform: translateY(1px);
}
.cite-pin .cite-icon {
  width: 0.95rem;
  height: 0.95rem;
  flex: 0 0 auto;
  display: block;
}
.cite-pin .cite-pin-tier {
  letter-spacing: 0.04em;
}

/* Per-tier color cues (subtle; not flashy) */
.cite-pin.tier-t1 { color: #6b3410; }  /* deep amber-brown -- statute */
.cite-pin.tier-t2 { color: #1f4d1f; }  /* deep green -- standards body */
.cite-pin.tier-t3 { color: #1a3a72; }  /* navy -- academic */
.cite-pin.tier-t4 { color: var(--forest); }  /* forest -- standards-body/govt */
.cite-pin.tier-t5 { color: #5a3015; }  /* brown -- practitioner */
.cite-pin.tier-t6 { color: #4a4a4a; }  /* gray -- news */
.cite-pin.tier-t7 { color: #6b6b6b; }  /* muted -- reference */

/* Per-status visual modifiers */
.cite-pin.status-pinned {
  background: rgba(255,255,255,0.85);
}
.cite-pin.status-url {
  background: rgba(245, 230, 196, 0.3);
  border-style: dashed;
}
.cite-pin.status-canonical {
  background: rgba(212, 168, 75, 0.12);
}
.cite-pin.status-caught {
  background: #fff4e0;
  border-color: #b6610b;
  color: #6b3410;
}
.cite-pin.status-caught::before {
  content: "⚠ ";
  font-size: 0.85em;
}
.cite-pin.cite-pin-unknown {
  background: #f6f0f0;
  border-style: dotted;
  color: var(--ink-mute);
  cursor: not-allowed;
}

/* ─── Hover-preview tooltip (R-A; dual-mode interaction) ─── */
.cite-tooltip {
  position: absolute;
  z-index: 950;
  max-width: 22rem;
  background: var(--navy-deep);
  color: #fff;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  font-size: 0.82rem;
  line-height: 1.4;
  pointer-events: none;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  font-family: 'Inter', sans-serif;
}
.cite-tooltip[hidden] { display: none; }
.cite-tooltip-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: #fff;
}
.cite-tooltip-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--amber-soft);
  opacity: 0.9;
}
.cite-tooltip-hint {
  display: block;
  margin-top: 0.3rem;
  font-style: italic;
  font-size: 0.75rem;
  opacity: 0.75;
}

/* ─── Click-popover (D-12 §3.3; the primary verify surface) ─── */
.cite-popover {
  position: absolute;
  z-index: 1000;
  max-width: 30rem;
  width: min(30rem, calc(100vw - 2rem));
  background: #fff;
  border: 1px solid var(--rule);
  border-top: 4px solid var(--amber);
  border-radius: 4px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.18);
  padding: 0;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  line-height: 1.5;
}
.cite-popover[hidden] { display: none; }

.cite-popover-arrow {
  position: absolute;
  top: -8px;
  left: 24px;
  width: 0; height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid var(--amber);
}

.cite-popover-close {
  position: absolute;
  top: 0.4rem;
  right: 0.6rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--ink-mute);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
}
.cite-popover-close:hover, .cite-popover-close:focus-visible {
  background: var(--paper-warm);
  color: var(--navy-deep);
  outline: none;
}

.cite-popover-body {
  padding: 1.1rem 1.5rem 1.25rem 1.25rem;
}

.cite-popover-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}
.cite-popover-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  color: var(--navy-deep);
}
.cite-popover-icon svg { width: 100%; height: 100%; }
.cite-popover-status-badge {
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  background: var(--paper-warm);
  color: var(--forest);
  border: 1px solid var(--rule);
}

.cite-popover-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.15rem;
  color: var(--navy-deep);
  margin: 0.4rem 0 0.5rem;
  line-height: 1.3;
  border: none;
  padding: 0;
}
.cite-popover-claim {
  margin: 0.4rem 0 0.75rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.cite-popover-substrate, .cite-popover-caught {
  background: var(--paper-warm);
  border-left: 3px solid var(--forest-light);
  padding: 0.55rem 0.75rem;
  margin: 0.6rem 0;
  border-radius: 0 3px 3px 0;
}
.cite-popover-caught {
  background: #fff4e0;
  border-left-color: #b6610b;
}
.cite-popover-substrate-label, .cite-popover-caught-label {
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.3rem;
  font-weight: 700;
}
.cite-popover-caught-label { color: #b6610b; }
.cite-popover-substrate-body, .cite-popover-caught-body {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.cite-popover-meta {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 0.75rem;
  margin: 0.8rem 0;
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.78rem;
}
.cite-popover-meta dt {
  color: var(--ink-mute);
  font-weight: 600;
}
.cite-popover-meta dd {
  margin: 0;
  color: var(--ink-soft);
  word-break: break-word;
}

.cite-popover-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.9rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--rule);
}
.cite-popover-action {
  display: inline-block;
  padding: 0.45rem 0.85rem;
  background: var(--navy);
  color: #fff;
  text-decoration: none;
  border-radius: 3px;
  font-size: 0.85rem;
  font-weight: 500;
}
.cite-popover-action:hover, .cite-popover-action:focus-visible {
  background: var(--navy-deep);
  outline: none;
}
.cite-popover-action.cite-popover-action-secondary {
  background: var(--paper-warm);
  color: var(--navy);
  border: 1px solid var(--rule);
}
.cite-popover-action.cite-popover-action-secondary:hover {
  background: var(--amber-soft);
  border-color: var(--amber);
}

/* Mobile / narrow: popover becomes bottom sheet */
@media (max-width: 640px) {
  .cite-popover {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 100%;
    width: 100%;
    border-radius: 6px 6px 0 0;
    border: none;
    border-top: 4px solid var(--amber);
    max-height: 80vh;
    overflow-y: auto;
  }
  .cite-popover-arrow { display: none; }
}

/* Reduced motion: drop all transitions on popover */
@media (prefers-reduced-motion: reduce) {
  .cite-pin, .cite-popover-action {
    transition: none;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   /citations/ INDEX PAGE
   Per-pin entry with full L1+L2+L3 + chain-of-custody. Searchable +
   filterable + sortable (per D-12 §3.5).
   ═══════════════════════════════════════════════════════════════════ */

.citations-intro {
  margin: 1.5rem 0 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.citations-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.6rem 1.5rem;
  margin: 1rem 0 0;
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.85rem;
}
.citations-stats dt {
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  font-weight: 600;
}
.citations-stats dd {
  margin: 0;
  font-size: 1.15rem;
  color: var(--navy-deep);
  font-weight: 700;
}

.citations-controls {
  background: var(--paper-warm);
  border: 1px solid var(--rule);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-radius: 3px;
  display: grid;
  gap: 0.75rem 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 800px) {
  .citations-controls {
    grid-template-columns: 1fr auto auto;
    align-items: end;
  }
}
.citations-search-label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-weight: 600;
}
.citations-search-label input[type="search"] {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: #fff;
  color: var(--ink);
}
.citations-search-label input:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 1px;
  border-color: var(--amber);
}
.citations-filters {
  border: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.6rem;
  align-items: center;
}
.citations-filters legend {
  font-size: 0.78rem;
  color: var(--ink-mute);
  margin-right: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.citations-filters label {
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.78rem;
  color: var(--ink-soft);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.5rem;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 3px;
}
.citations-filters label:hover { background: var(--amber-soft); }
.citations-filters input[type="checkbox"] {
  accent-color: var(--navy);
}

.citations-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.citation-entry {
  background: #fff;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--forest);
  padding: 1rem 1.25rem;
  border-radius: 0 3px 3px 0;
}
.citation-entry.status-caught { border-left-color: #b6610b; background: #fffaf2; }
.citation-entry.status-url { border-left-color: var(--amber); }
.citation-entry.status-canonical { border-left-color: var(--navy); }
.citation-entry.status-pinned { border-left-color: var(--forest); }
.citation-entry:target {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}
.citation-entry[hidden] { display: none; }

.citation-entry-header {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}
.citation-entry-icon {
  flex: 0 0 auto;
  width: 1.6rem;
  height: 1.6rem;
  color: var(--navy-deep);
}
.citation-entry-icon svg { width: 100%; height: 100%; }
.citation-entry-title-block { flex: 1 1 auto; min-width: 0; }
.citation-entry-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.05rem;
  margin: 0;
  color: var(--navy-deep);
  border: none;
  padding: 0;
  line-height: 1.35;
}
.citation-entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  margin-top: 0.3rem;
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.72rem;
  color: var(--ink-mute);
}
.citation-entry-tier { color: var(--forest); font-weight: 600; }
.citation-entry-status { color: var(--ink-soft); font-weight: 600; }
.citation-entry-pin { color: var(--navy); font-weight: 600; }

.citation-entry-details {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 0.85rem;
  font-size: 0.85rem;
  margin-top: 0.4rem;
}
.citation-entry-details dt {
  color: var(--ink-mute);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.citation-entry-details dd {
  margin: 0;
  color: var(--ink-soft);
  word-break: break-word;
  font-size: 0.85rem;
}

/* Container-wide for /citations/ */
.container-wide {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Print: popover content shows inline as footnote (verifiability preserved) */
@media print {
  .cite-pin {
    border-color: #555;
    background: transparent;
    color: #000;
    font-weight: 700;
  }
  .cite-tooltip { display: none !important; }
  .cite-popover { display: none !important; }
  .citations-controls { display: none; }
}