/* =====================================================================
   Agent Harness Engineering: A Survey. Project page styles.
   Quiet, white-paper aesthetic. Inspired by typical academic project pages.
   ===================================================================== */

:root {
  --bg:        #ffffff;
  --bg-alt:    #f7f7f3;
  --ink:       #1f2328;
  --ink-soft:  #404953;
  --muted:     #6a727b;
  --line:      #e5e0d2;
  --line-soft: #edeae0;
  --link:      #0a59a4;
  --link-hov:  #08407a;
  --accent:    #114a6f;
  --code-bg:   #f6f8fa;
  --code-ink:  #1f2328;

  --maxw:        1080px;
  --maxw-narrow: 820px;

  --r:    6px;
  --t:    160ms ease-out;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hov); text-decoration: underline; text-underline-offset: 3px; }

em { font-style: italic; }
sup { font-size: 0.72em; vertical-align: super; line-height: 0; }

img { max-width: 100%; display: block; }

p { margin: 0 0 1em; }

h2 {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin: 0 0 0.6em;
}

/* Containers ----------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow {
  max-width: var(--maxw-narrow);
}

/* Hero ---------------------------------------------------------------- */

.hero {
  padding: 64px 0 32px;
  text-align: center;
  background: var(--bg);
}

.title {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: clamp(28px, 4.2vw, 40px);
  font-weight: 700;
  letter-spacing: -0.022em;
  line-height: 1.18;
  color: var(--ink);
  margin: 0 0 14px;
}

.venue {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 26px;
  letter-spacing: 0.02em;
}

.authors {
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink);
  margin: 0 auto 12px;
  max-width: 880px;
  /* Let the browser balance line widths so no name is orphaned on
     its own line (graceful fallback to default wrapping on browsers
     that don't yet support text-wrap: balance). */
  text-wrap: balance;
}
.authors a {
  color: var(--link);
  font-weight: 500;
}
.authors sup {
  color: var(--muted);
  font-weight: 400;
}

.affil {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin: 0 auto 22px;
  max-width: 880px;
  line-height: 1.75;
  text-wrap: balance;
}
.affil sup { color: var(--muted); }
.affil-note { color: var(--muted); font-size: 13px; }

/* Buttons ------------------------------------------------------------- */

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 26px 0 36px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #1f2328;
  color: #f6f7f8;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: background var(--t), transform var(--t);
  border: 1px solid #1f2328;
}
.btn:hover {
  background: #2b3138;
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}
.btn .ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
}
.btn .ic svg { display: block; }

/* Teaser image -------------------------------------------------------- */

.teaser {
  margin: 18px auto 0;
  max-width: 880px;
}
.teaser img {
  margin: 0 auto;
  border-radius: 4px;
  border: 1px solid var(--line-soft);
}
.teaser figcaption,
figure figcaption {
  font-style: italic;
  font-size: 14px;
  color: var(--muted);
  text-align: center;
  margin-top: 14px;
  line-height: 1.65;
  /* Avoid orphaned single words on the last line when captions wrap. */
  text-wrap: balance;
}

/* Sections ------------------------------------------------------------ */

.section {
  padding: 64px 0;
  border-top: 1px solid var(--line-soft);
}
.section--alt {
  background: var(--bg-alt);
}

/* Eyebrow + serif headline -------------------------------------------- */

.eyebrow {
  display: block;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-O);
  margin: 0 0 16px;
}

.headline {
  font-family: 'Noto Serif', Georgia, 'Times New Roman', serif;
  font-size: clamp(30px, 4.2vw, 46px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin: 0;
  /* Let the browser balance line widths so the headline doesn't
     leave a single short word on the last line. */
  text-wrap: balance;
}

.section-heading {
  margin: 0 0 32px;
}
.section-heading .headline { max-width: 22ch; }

/* Two-column Abstract layout */

.abstract-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 56px;
  align-items: start;
}
@media (max-width: 880px) {
  .abstract-grid { grid-template-columns: 1fr; gap: 26px; }
}
.abstract-headline .headline { max-width: 18ch; }
.abstract-prose p {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.78;
  margin: 0 0 16px;
}
.abstract-prose p:last-child { margin-bottom: 0; }
.abstract-prose strong { color: var(--ink); }

/* Three Claims grid */

.claims {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 8px;
}
@media (max-width: 880px) {
  .claims { grid-template-columns: 1fr; }
}
.claim {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
}
.claim__label {
  display: block;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-O);
  margin: 0 0 12px;
}
.claim h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.claim p {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* Figures inside sections */
.section figure {
  margin: 28px 0;
}
.section figure img {
  margin: 0 auto;
  border-radius: 4px;
}

/* Wide figure variant. Used by the timeline figure so the chart
   breaks out of the narrow text column and gets visual prominence. */
.figure--wide {
  margin: 18px auto 0;
  padding: 18px 22px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(31, 35, 40, 0.03);
}
.figure--wide img {
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 4px;
}
.figure--wide figcaption {
  margin-top: 14px;
}
@media (max-width: 640px) {
  .figure--wide { padding: 12px 14px 10px; }
}

/* Portrait-orientation figure (taxonomy tree). Lives in the wider
   container but is capped so the inner box-text stays readable without
   the figure dominating the page. */
.figure--tree {
  margin: 36px auto 0;
  padding: 20px 24px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(31, 35, 40, 0.03);
  max-width: 900px;
}
.figure--tree img {
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 4px;
}
.figure--tree figcaption {
  margin-top: 14px;
}
@media (max-width: 640px) {
  .figure--tree { padding: 12px 14px 10px; margin-top: 24px; }
}

/* Engineering scopes list -------------------------------------------- */

.scopes {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 14px;
}
.scopes li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 18px 20px;
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.7;
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 18px;
  align-items: baseline;
}
.scopes strong { color: var(--ink); }
.scopes__level {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--bg-alt);
  justify-self: start;
}
.scopes__body { color: var(--ink-soft); }
@media (max-width: 520px) {
  .scopes li {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* Section--alt overrides. Keep sub-cards readable on alt background. */
.section--alt .scopes li {
  background: #fff;
}

/* Layers list --------------------------------------------------------- */

.layers {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  display: grid;
  gap: 10px;
}
.layers li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--lc, var(--line));
  border-radius: var(--r);
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.7;
}
.layers__id {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-weight: 600;
  font-size: 14px;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--lc) 14%, #fff);
  color: var(--lc);
  border: 1px solid color-mix(in srgb, var(--lc) 28%, transparent);
  margin-top: 1px;
}
.layers strong { color: var(--ink); font-weight: 600; }

/* Count table --------------------------------------------------------- */

.counts {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0 18px;
  font-size: 15px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.counts th, .counts td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--line-soft);
}
.counts thead th {
  background: var(--bg-alt);
  font-weight: 600;
  color: var(--ink-soft);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.counts tbody tr:last-child td { border-bottom: 0; }
.counts .r { text-align: right; font-variant-numeric: tabular-nums; }
.counts td:first-child {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-weight: 600;
  color: var(--ink);
  width: 70px;
  white-space: nowrap;
}
.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--lc);
  margin-right: 6px;
  vertical-align: 0.06em;
}

.note {
  font-size: 14.5px;
  color: var(--ink-soft);
  margin-top: 12px;
}

/* Bullets ------------------------------------------------------------- */

.bullets {
  margin: 12px 0 18px;
  padding-left: 22px;
}
.bullets li {
  margin-bottom: 10px;
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.72;
}
.bullets strong { color: var(--ink); }

/* Open problems ------------------------------------------------------- */

.problems {
  margin: 14px 0 0;
  padding-left: 22px;
}
.problems li {
  margin-bottom: 14px;
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.72;
}
.problems strong { color: var(--ink); }
.problems::marker { color: var(--muted); }
.problems li::marker { color: var(--muted); font-variant-numeric: tabular-nums; }

/* BibTeX -------------------------------------------------------------- */

.bibtex {
  position: relative;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 16px 18px;
  margin-top: 18px;
}
.bibtex pre {
  margin: 0;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  line-height: 1.7;
  color: var(--code-ink);
  white-space: pre;
  overflow-x: auto;
}
.bibtex__copy {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 5px 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t);
}
.bibtex__copy:hover {
  background: #fff;
  color: var(--ink);
  border-color: color-mix(in srgb, var(--ink) 30%, var(--line));
}
.bibtex__copy.is-copied {
  background: #1f2328;
  color: #fff;
  border-color: #1f2328;
}

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

.footer {
  padding: 36px 0 56px;
  border-top: 1px solid var(--line-soft);
  background: var(--bg);
}
.footer p {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
  text-align: center;
  line-height: 1.7;
}

/* Responsive tweaks --------------------------------------------------- */

@media (max-width: 640px) {
  .hero { padding: 40px 0 24px; }
  .section { padding: 44px 0; }
  .authors, .affil { font-size: 15px; }
  .layers li { grid-template-columns: 32px 1fr; gap: 10px; padding: 14px 14px; }
  .counts th, .counts td { padding: 10px 12px; font-size: 14px; }
}

/* Print --------------------------------------------------------------- */

@media print {
  .links, .footer, .bibtex__copy { display: none; }
  body { color: #000; background: #fff; }
.section { border-color: #ddd; padding: 18px 0; }
}

.analytics{padding-top:64px;padding-bottom:20px}.charts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.chart-panel{border:1px solid var(--line);border-radius:6px;padding:18px;background:#fff;min-width:0}.chart-panel h3{font-size:15px;margin:0 0 18px}.bar-chart{display:flex;flex-direction:column;gap:9px}.bar-row{display:grid;grid-template-columns:minmax(70px,1fr) minmax(65px,2fr) 24px;align-items:center;gap:8px;font-size:11px}.bar-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}.bar-track{height:9px;background:#edf2f3;border-radius:99px;overflow:hidden}.bar-fill{display:block;height:100%;min-width:4px;background:var(--teal);border-radius:99px}.bar-row strong{font-size:11px;text-align:right}.chart-panel:nth-child(2) .bar-fill{background:var(--orange)}.chart-panel:nth-child(3) .bar-fill{background:#5474a8}@media(max-width:760px){.charts{grid-template-columns:1fr}.analytics{padding-top:45px}}

.study-card--basic{cursor:pointer}.basic-meta{border-top:1px solid var(--line);margin:18px 0 0;padding-top:13px}.basic-meta div{display:grid;grid-template-columns:62px 1fr;gap:10px;margin:4px 0}.basic-meta dt{color:var(--muted);font-size:12px}.basic-meta dd{margin:0;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.basic-actions{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:16px;padding-top:14px;font-size:13px}.basic-actions a{color:var(--teal);font-weight:700}.basic-actions button{border:0;background:transparent;color:var(--ink);cursor:pointer;font:inherit;font-weight:700;padding:0}.basic-actions button:hover{color:var(--teal)}.detail-modal[hidden]{display:none}.detail-modal{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:24px}.detail-backdrop{position:absolute;inset:0;background:rgba(17,33,43,.55)}.detail-dialog{position:relative;z-index:1;background:#fff;border-radius:8px;width:min(920px,100%);max-height:calc(100vh - 48px);overflow:auto;padding:34px 38px;box-shadow:0 25px 80px rgba(17,33,43,.25)}.detail-close{position:absolute;right:18px;top:14px;border:0;background:transparent;font-size:28px;line-height:1;cursor:pointer;color:var(--muted)}.detail-dialog h2{font-size:32px;line-height:1.15;letter-spacing:-.035em;margin:0 40px 15px 0}.detail-summary{display:flex;flex-wrap:wrap;gap:8px 18px;color:var(--muted);font-size:13px;margin-bottom:24px}.detail-summary a{color:var(--teal);font-weight:700}.metadata-section{border-top:1px solid var(--line);padding:22px 0 4px}.metadata-section h3{font-size:17px;margin:0 0 13px}.metadata-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px 24px}.metadata-row{display:grid;grid-template-columns:minmax(125px, .8fr) minmax(0,1.2fr);gap:12px;padding:9px 0;border-bottom:1px solid #eef2f3}.metadata-row dt{font-size:12px;color:var(--muted);overflow-wrap:anywhere}.metadata-row dd{font-size:13px;margin:0;overflow-wrap:anywhere}.metadata-empty{color:#a4adb2;font-style:italic}.bib-block{margin:18px 0 4px}.metadata-label{color:var(--muted);font-size:12px;margin-bottom:7px}.bib-block pre{background:#f3f7f6;border:1px solid var(--line);border-radius:4px;padding:14px;white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.5 "JetBrains Mono",monospace;margin:0}.modal-open{overflow:hidden}@media(max-width:760px){.detail-modal{padding:10px}.detail-dialog{max-height:calc(100vh - 20px);padding:28px 18px}.detail-dialog h2{font-size:25px}.metadata-grid{grid-template-columns:1fr}.basic-actions{align-items:flex-start;gap:12px;flex-direction:column}}
.metadata-count{color:var(--muted);font-size:11px;font-weight:400;margin-left:8px}.metadata-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:5px}.metadata-table{width:100%;border-collapse:collapse;min-width:620px;font-size:13px}.metadata-table th,.metadata-table td{padding:10px 12px;border-bottom:1px solid #eef2f3;vertical-align:top;text-align:left}.metadata-table thead th{background:#f3f7f6;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.metadata-table tbody th{width:34%;font-weight:600;color:#43525a;overflow-wrap:anywhere}.metadata-table tbody tr:last-child th,.metadata-table tbody tr:last-child td{border-bottom:0}
.value-pills{display:flex;flex-wrap:wrap;gap:5px}.value-pill{display:inline-block;border-radius:999px;background:#e0f2ee;color:#07584f;padding:3px 8px;font-size:12px;line-height:1.35}.metadata-table tbody tr:hover{background:#fafcfc}
.analysis-group{border-top:1px solid var(--line);padding:22px 0 4px}.analysis-group h3{font-size:17px;margin:0 0 14px}.analysis-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 24px}.analysis-item h4{font-size:12px;color:var(--muted);font-weight:650;margin:0 0 7px}.value-pill small{display:block;font-size:9px;opacity:.62;margin-top:2px}.metadata-prose{border-left:3px solid #e0f2ee;padding:7px 10px;background:#f8fbfa;font-size:13px;line-height:1.5;white-space:normal}.value-origin{display:block;color:var(--muted);font-size:10px;margin-top:5px}.source-legend{display:flex;flex-wrap:wrap;gap:12px 18px;color:var(--muted);font-size:12px;margin:5px 0 20px}.source-legend i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px}.legend-survey{background:var(--teal)}.legend-analysis{background:var(--orange)}.unavailable-link{color:var(--muted);font-size:13px}@media(max-width:760px){.analysis-grid{grid-template-columns:1fr}}

/* Current catalog layout */
body{background:#fff;color:#17212b;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.6}.wrap{max-width:1120px;margin:auto;padding-left:28px;padding-right:28px}.site-header{border-bottom:1px solid #dce4e8;background:rgba(255,255,255,.96);position:sticky;top:0;z-index:5}.nav{height:68px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:750;letter-spacing:-.02em}.nav nav{display:flex;gap:28px;color:#66727d;font-size:14px}.hero{padding-top:90px;padding-bottom:72px}.eyebrow{text-transform:uppercase;letter-spacing:.13em;color:#087f73;font-size:12px;font-weight:750;margin:0 0 14px}.hero h1{font-size:clamp(36px,5vw,68px);line-height:1.08;letter-spacing:-.045em;max-width:940px;margin:0 0 24px}.lede{color:#66727d;font-size:19px;max-width:720px;margin:0 0 30px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px}.button{border:1px solid #dce4e8;padding:10px 16px;border-radius:5px;font-weight:650;font-size:14px}.button-primary{background:#087f73;border-color:#087f73;color:#fff}.button-primary:hover{background:#07584f;color:#fff}.stats{border-top:1px solid #dce4e8;border-bottom:1px solid #dce4e8;display:grid;grid-template-columns:repeat(4,1fr);padding-top:24px;padding-bottom:24px;gap:20px}.stats div{display:flex;flex-direction:column}.stats strong{font-size:31px;line-height:1.2;letter-spacing:-.035em}.stats span,.result-count{color:#66727d;font-size:13px}.catalog{padding-top:74px;padding-bottom:92px}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px}.section-heading h2,.sources h2{font-size:30px;line-height:1.15;letter-spacing:-.03em;margin:0}.section-heading .eyebrow{margin-bottom:8px}.filters{display:grid;grid-template-columns:minmax(220px,1fr) 160px 200px 160px;gap:10px;margin-bottom:28px}.filters input,.filters select{width:100%;height:44px;border:1px solid #dce4e8;border-radius:4px;background:#fff;padding:0 12px;color:#17212b;font:inherit;font-size:14px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.study-card{border:1px solid #dce4e8;border-radius:6px;padding:22px;background:#fff;min-width:0}.card-top,.card-foot{display:flex;justify-content:space-between;gap:15px;color:#66727d;font-size:12px}.paper-id{text-transform:uppercase;letter-spacing:.1em}.study-card h3{font-size:20px;line-height:1.3;letter-spacing:-.02em;margin:14px 0 12px}.pills{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:17px}.pill{display:inline-block;background:#edf2f3;color:#43525a;padding:2px 8px;border-radius:99px;font-size:11px;font-weight:700}.pill.accent{background:#e0f2ee;color:#07584f}.details{border-top:1px solid #dce4e8;margin:0;padding-top:12px}.details div{display:grid;grid-template-columns:92px 1fr;gap:12px;margin:5px 0}.details dt{color:#66727d;font-size:12px}.details dd{margin:0;font-size:13px;overflow-wrap:anywhere}.card-foot{border-top:1px solid #dce4e8;margin-top:16px;padding-top:12px}.card-foot span:last-child{text-align:right;max-width:65%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sources{background:#f3f7f6;padding:70px 0}.source-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}.source{display:flex;gap:15px;align-items:center;border:1px solid #dce4e8;background:#fff;padding:18px;border-radius:6px}.source-number{color:#d9673d;font-size:27px;font-weight:800}.source strong{display:block}.source small{display:block;color:#66727d;font-size:13px;margin-top:2px}.source-note{color:#66727d;font-size:13px;margin:22px 0 0;max-width:760px}.footer{padding:25px 0;color:#66727d;font-size:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:760px){.wrap{padding-left:18px;padding-right:18px}.nav{height:58px}.nav nav{gap:15px}.hero{padding-top:58px;padding-bottom:52px}.hero h1{font-size:39px}.lede{font-size:17px}.stats{grid-template-columns:repeat(2,1fr)}.filters{grid-template-columns:1fr 1fr}.search-field{grid-column:1/-1}.section-heading{display:block}.result-count{margin-top:12px}.cards,.source-grid{grid-template-columns:1fr}.study-card h3{font-size:18px}}

:root { --teal: #087f73; --orange: #d9673d; }
.value-pill--analysis { background: #fff0e8; color: #8a442a; }
.value-pill--both { background: #e9edf9; color: #3e507e; }
.value-pill { overflow-wrap: anywhere; max-width: 100%; }
.metadata-prose { width: 100%; overflow-wrap: anywhere; }
/* Final catalog controls and source legend */
.filters{grid-template-columns:minmax(220px,1fr) 140px minmax(170px,1.35fr) 170px 170px}
.value-pill small{display:none}.source-legend{margin:0 0 18px;padding:10px 12px;border:1px solid var(--line);border-radius:5px;background:#f8fbfa}.legend-both{background:#3e507e}
@media(max-width:980px){.filters{grid-template-columns:repeat(2,minmax(0,1fr))}.search-field{grid-column:1/-1}}
@media(max-width:760px){.filters{grid-template-columns:1fr}.search-field{grid-column:auto}}

/* Research overview and field-scoped metadata discovery. */
.hero { text-align: center; }
.hero h1, .hero .lede { margin-left: auto; margin-right: auto; }
.hero-actions { justify-content: center; }
.research-overview { padding-top: 12px; padding-bottom: 48px; }
.research-intro { max-width: 900px; color: #52616c; margin-bottom: 26px; }
.research-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.research-summary { border: 1px solid var(--line); border-top: 3px solid var(--teal); border-radius: 8px; padding: 26px; background: #f7fbfa; }
.research-summary--analysis { border-top-color: var(--orange); background: #fffaf7; }
.research-summary--analysis .eyebrow { color: #9a4c2b; }
.research-summary h3 { margin: 0 0 16px; font-size: 21px; line-height: 1.4; }
.research-summary p:not(.eyebrow) { color: #52616c; font-size: 15px; }
.research-summary a { color: #087f73; font-weight: 650; }
.research-note, .search-help { color: #66727d; font-size: 13px; }
.research-note { margin-top: 22px; }
.metadata-search { display: grid; grid-template-columns: auto minmax(220px, .9fr) minmax(220px, 1.4fr) auto; gap: 12px; align-items: center; }
.metadata-search label { font-size: 14px; font-weight: 650; }
.metadata-search select, .metadata-search input, .metadata-search button { min-width: 0; width: 100%; min-height: 46px; border: 1px solid #dce4e8; border-radius: 5px; padding: 10px 12px; background: white; color: #17212b; font: inherit; font-size: 14px; }
.metadata-search button { cursor: pointer; width: auto; background: #f3f7f6; }
.metadata-search :focus-visible { outline: 2px solid #087f73; outline-offset: 2px; }
.search-help { margin: 10px 0 20px; }
.filters { grid-template-columns: 140px minmax(170px, 1fr) minmax(170px, 1fr) minmax(140px, 1fr); }
.catalog-legend { margin-bottom: 18px; }
.search-evidence { margin-top: 18px; padding-top: 14px; border-top: 1px solid #dce4e8; max-height: 340px; overflow: auto; }
.search-evidence-row + .search-evidence-row { margin-top: 14px; }
.search-evidence h4 { font-size: 12px; color: #52616c; margin: 0 0 7px; }
.search-evidence .value-pill { white-space: normal; text-align: left; }
@media (max-width: 980px) {
  .metadata-search { grid-template-columns: auto minmax(0, 1fr); }
  .metadata-search input { grid-column: 1 / -1; }
  .metadata-search button { grid-column: 2; justify-self: end; }
  .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .research-grid, .filters { grid-template-columns: 1fr; }
  .research-summary { padding: 20px; }
}

/* Keep the hero centered as a unit and balance its multiline text. */
.hero.wrap { display: flex; flex-direction: column; align-items: center; text-align: center; }
.hero.wrap h1 { width: 100%; max-width: 980px; margin: 0 auto 24px; text-align: center; text-wrap: balance; }
.hero.wrap .lede { width: 100%; max-width: 780px; margin: 0 auto 30px; text-align: center; text-wrap: balance; }
.hero.wrap .hero-actions { width: 100%; justify-content: center; }
#cards[hidden], #table-view[hidden] { display: none; }
.table-controls { display: flex; justify-content: flex-end; align-items: center; gap: 10px; margin: 0 0 14px; font-size: 14px; }
.table-controls select { padding: 8px 12px; border: 1px solid #dce4e8; border-radius: 4px; background: white; color: #17212b; }
.table-scroll { overflow-x: auto; border: 1px solid #dce4e8; border-radius: 8px; }
.metadata-table { border-collapse: collapse; width: 100%; min-width: 1150px; font-size: 13px; text-align: left; }
.metadata-table caption { text-align: left; padding: 14px 16px; font-weight: 650; background: #f7faf9; }
.metadata-table th, .metadata-table td { padding: 16px 12px; vertical-align: top; border-bottom: 1px solid #e2e8eb; overflow-wrap: anywhere; }
.metadata-table thead th { background: #eef4f2; color: #43525a; font-size: 12px; white-space: nowrap; }
.metadata-table tbody th { min-width: 230px; width: 23%; font-weight: 600; }
.metadata-table tbody tr:nth-child(even) { background: #fafcfb; }
.metadata-table tbody tr:hover { background: #f3f8f6; }
.table-title { padding: 0; border: 0; background: none; color: #17212b; font: inherit; font-weight: 650; text-align: left; cursor: pointer; }
.table-title:hover { color: #087f73; text-decoration: underline; }
.table-bibtex { display: block; margin-top: 10px; border: 0; background: none; padding: 0; color: #087f73; cursor: pointer; font: inherit; font-size: 12px; }
.table-metadata { min-width: 320px; width: 32%; }
.table-metadata .search-evidence { border: 0; margin: 0; padding: 0; max-height: none; overflow: visible; }
.missing-value { color: #7b8790; font-size: 12px; }

/* Fixed column geometry lets a drag resize every cell in a column together. */
.metadata-table { table-layout: fixed; min-width: 0; }
.metadata-table tbody th, .metadata-table .table-metadata { min-width: 0; width: auto; }
.metadata-table thead th { position: relative; padding-right: 20px; white-space: normal; }
.column-resizer { position: absolute; right: 0; top: 0; height: 100%; width: 12px; cursor: col-resize; touch-action: none; border-right: 2px solid #c2d3cf; }
.column-resizer:hover, .column-resizer:focus-visible { background: #c5e5dd; outline: 2px solid #087f73; outline-offset: -2px; }
.resizing-column, .resizing-column * { cursor: col-resize !important; user-select: none !important; }
.resize-help { margin-right: auto; color: #66727d; font-size: 12px; }
.table-controls { flex-wrap: wrap; }
.table-metadata .value-pills { min-width: 0; }
.table-metadata .value-pill { min-width: 0; overflow-wrap: anywhere; }

.paper-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 22px; }
.paper-actions button, .copy-citation { padding: 7px 13px; border: 1px solid #bfd5ce; border-radius: 5px; background: #fff; color: #087f73; font: inherit; font-size: 14px; font-weight: 650; cursor: pointer; }
.paper-actions button:hover, .copy-citation:hover { background: #eaf5f0; }
.paper-actions button:focus-visible, .copy-citation:focus-visible { outline: 2px solid #087f73; outline-offset: 3px; }
#copy-status { font-size: 13px; color: #66727d; }

.research-intro { max-width: none; width: 100%; }
.research-summary { display: flex; flex-direction: column; }
.research-summary .paper-actions { margin-top: auto; padding-top: 12px; }
.paper-actions a, .paper-actions button { display: inline-flex; justify-content: center; align-items: center; min-height: 42px; width: 168px; padding: 8px 12px; border: 1px solid #bfd5ce; border-radius: 5px; background: #fff; color: #087f73; font: inherit; font-size: 14px; font-weight: 650; text-decoration: none; }
.paper-actions a:hover { background: #eaf5f0; text-decoration: none; }
.paper-actions a:focus-visible { outline: 2px solid #087f73; outline-offset: 3px; }
.collection-method { padding-top: 22px; padding-bottom: 48px; }
.collection-method > p { color: #52616c; }
.method-figure { margin: 28px 0 20px; padding: 20px; border: 1px solid #dce4e8; border-radius: 8px; background: #fff; }
.method-figure img { width: 100%; height: auto; }
.method-figure figcaption { margin-top: 18px; color: #66727d; font-size: 13px; }
#venue-chart { max-height: 420px; overflow-y: auto; padding-right: 10px; }
#venue-chart .bar-label, #activity-chart .bar-label { white-space: normal; overflow-wrap: anywhere; }
@media(max-width:600px) { .method-figure { padding: 10px; } .paper-actions { gap: 10px; } .paper-actions a, .paper-actions button { width: 100%; } }

/* Three summary charts, followed by two equally wide metadata charts. */
.charts { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.charts > .chart-panel { grid-column: span 2; }
.charts > .chart-panel--venue, .charts > .chart-panel--activity { grid-column: span 3; }
#venue-chart .bar-row, #activity-chart .bar-row { grid-template-columns: minmax(110px, 1.2fr) minmax(100px, 1.8fr) 28px; font-size: 12px; }
@media(max-width:760px) {
  .charts { grid-template-columns: minmax(0, 1fr); }
  .charts > .chart-panel { grid-column: 1; }
}

/* Anchor targets remain visible below the sticky navigation. */
#overview, #collection, #data-overview, #catalog { scroll-margin-top: 90px; }
@media(max-width:760px) {
  .nav { height: auto; min-height: 58px; flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; gap: 10px; }
  .nav nav { width: 100%; flex-wrap: wrap; gap: 8px 16px; font-size: 12px; }
  #overview, #collection, #data-overview, #catalog { scroll-margin-top: 130px; }
}

/* Keep the three paper actions equally sized on a single row. */
.research-summary .paper-actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; width: 100%; }
.research-summary .paper-actions a, .research-summary .paper-actions button { width: 100%; min-width: 0; padding: 8px 6px; white-space: nowrap; }