/* UHB Scholar — public theme (light only)
   Type: IBM Plex Serif (headings) / IBM Plex Sans (body) / IBM Plex Mono (data, labels). */

:root{
  --bg:#F4F5F8; --surface:#FFFFFF; --surface-alt:#EAEDF3; --surface-sunken:#E3E7EF;
  --border:#DCE1EA; --border-strong:#C7CFDE;
  --ink:#171E2C; --ink-soft:#4C5670; --ink-faint:#8890A3;
  --accent:#2A3E75; --accent-hover:#1E2E5C; --accent-soft:#E1E6F5; --accent-ink:#FFFFFF;
  --accent2:#1C7A68; --accent2-soft:#DBEEE9;
  --gold:#96631C; --gold-soft:#F2E6C9;
  --shadow: 0 1px 2px rgba(23,30,44,.05), 0 8px 20px -10px rgba(23,30,44,.16);
  --shadow-lg: 0 4px 12px rgba(23,30,44,.06), 0 24px 50px -20px rgba(23,30,44,.24);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);line-height:1.6;
  font-family:"IBM Plex Sans",-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  font-size:16px;
}
h1,h2,h3{font-family:"IBM Plex Serif",Georgia,serif;font-weight:600;color:var(--ink);margin:0 0 .4em;text-wrap:balance}
code,.mono{font-family:"IBM Plex Mono",ui-monospace,monospace}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover);text-decoration:underline}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}

.wrap{max-width:1120px;margin:0 auto;padding:0 1.5rem}

/* header */
.site-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;box-shadow:var(--shadow)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;padding-top:.85rem;padding-bottom:.85rem}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.05rem;color:var(--ink)}
.brand-mark{flex:none;object-fit:contain}
.site-header nav{display:flex;gap:.3rem;flex-wrap:wrap;font-size:.87rem}
.site-header nav a{display:inline-flex;align-items:center;gap:.4rem;color:var(--ink-soft);padding:.35rem .65rem;border-radius:7px;font-weight:500}
.site-header nav a:hover{color:var(--accent);background:var(--surface-alt);text-decoration:none}
.site-header nav a.active{color:var(--accent-ink);background:var(--accent)}

.nav-toggle{display:none;flex:none;align-items:center;justify-content:center;width:38px;height:38px;background:none;border:1px solid var(--border);border-radius:7px;color:var(--ink);cursor:pointer}
.nav-toggle:hover{color:var(--accent);background:var(--surface-alt)}

@media (max-width:760px){
    .nav-toggle{display:inline-flex}
    .site-header .wrap{gap:.6rem}
    .site-header nav{display:none;width:100%;flex-direction:column;gap:.15rem;order:3}
    .site-header nav.nav-open{display:flex}
    .site-header nav a{width:100%}
}


main.wrap{padding-top:2.6rem;padding-bottom:4.5rem;min-height:60vh}

.site-footer{border-top:1px solid var(--border);margin-top:2rem;background:var(--surface)}
.site-footer .wrap{padding:1.4rem 1.5rem;font-size:.8rem;color:var(--ink-faint);display:flex;gap:.5rem;flex-wrap:wrap;justify-content:space-between}
.site-footer a{color:var(--ink-soft)}

/* hero */
.hero{
  padding:2.2rem 2rem 2rem;margin:-2.6rem -1.5rem 2.2rem;border-radius:0 0 20px 20px;
  background-color:var(--surface);
  background-image:radial-gradient(var(--border) 1px, transparent 1px);
  background-size:20px 20px;
  border-bottom:1px solid var(--border);
}
.eyebrow{font-family:"IBM Plex Mono";font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent2);display:inline-block;margin-bottom:.8rem}
.hero h1{font-size:2.3rem;max-width:19ch;line-height:1.15}
.lede{color:var(--ink-soft);max-width:62ch;font-size:1.02rem}

h2.section-head{font-size:1.1rem;margin-top:2.4rem;padding-bottom:.55rem;border-bottom:1px solid var(--border)}

/* stat cards */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:.9rem;margin-top:1.8rem}
.stat-card{
  background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.1rem 1.3rem;
  display:flex;flex-direction:column;gap:.15rem;box-shadow:var(--shadow);transition:transform .12s ease, box-shadow .12s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);text-decoration:none}
.stat-card b{font-family:"IBM Plex Mono";font-variant-numeric:tabular-nums;font-size:1.5rem;color:var(--accent);font-weight:600}
.stat-card span{font-size:.74rem;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.04em}

/* ===== feature grid (homepage) ===== */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem;margin-top:1.4rem}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.3rem 1.4rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:.5rem}
.feature-icon{width:30px;height:30px;color:var(--accent)}
.feature-card h3{font-size:1rem;margin:0}
.feature-card p{font-size:.87rem;color:var(--ink-soft);margin:0;flex:1}
.feature-card p code{background:var(--surface-alt);padding:.05rem .35rem;border-radius:4px;font-size:.8rem}
.feature-card a{font-size:.85rem;font-weight:600}

.link-row{display:flex;flex-wrap:wrap;gap:.5rem .9rem;font-size:.88rem}
.link-row a{background:var(--surface);border:1px solid var(--border);border-radius:7px;padding:.35rem .7rem}
.link-row a:hover{border-color:var(--accent);text-decoration:none}
.link-row code{font-size:.8rem}

/* filters */
.filters{display:flex;gap:.7rem;flex-wrap:wrap;align-items:flex-end;margin:1.4rem 0;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1rem 1.1rem;box-shadow:var(--shadow)}
.filters label{display:flex;flex-direction:column;gap:.3rem;font-size:.68rem;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.03em;font-family:"IBM Plex Mono"}
.filters input,.filters select{
  padding:.45rem .6rem;border:1px solid var(--border);border-radius:7px;font-size:.85rem;background:var(--bg);color:var(--ink);
  font-family:"IBM Plex Sans";
}
.filters input:focus,.filters select:focus{border-color:var(--accent);outline:none}
.filters button{padding:.5rem 1.1rem;border:none;border-radius:7px;background:var(--accent);color:var(--accent-ink);font-size:.85rem;font-weight:600;cursor:pointer;align-self:flex-end}
.filters button:hover{background:var(--accent-hover)}
.filters .reset-link{align-self:center;font-size:.82rem;color:var(--ink-faint)}

/* listing table */
.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);overflow-x:auto}
table.listing{width:100%;border-collapse:collapse}
table.listing th{text-align:left;font-family:"IBM Plex Mono";font-size:.68rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-faint);background:var(--surface-alt);padding:.65rem .9rem;font-weight:500}
table.listing td{padding:.7rem .9rem;border-top:1px solid var(--border);font-size:.92rem;vertical-align:top}
table.listing tbody tr:hover td{background:var(--accent-soft)}
table.listing td.year-col{font-family:"IBM Plex Mono";font-variant-numeric:tabular-nums;color:var(--ink-soft);white-space:nowrap}
table.listing td a{color:var(--ink);font-weight:500}
table.listing td a:hover{color:var(--accent)}

.pagination{margin-top:1.6rem;display:flex;gap:.3rem;flex-wrap:wrap;font-size:.86rem;align-items:center;justify-content:center}
.pagination a,.pagination span{
  display:inline-flex;align-items:center;justify-content:center;min-width:2.1rem;height:2.1rem;padding:0 .5rem;
  border-radius:8px;background:var(--surface);color:var(--ink-soft);font-family:"IBM Plex Mono";font-variant-numeric:tabular-nums;
}
.pagination a{border:1px solid var(--border)}
.pagination a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none;background:var(--accent-soft)}
.pagination .current{background:var(--accent);color:#fff;font-weight:600}
.pagination .ellipsis{color:var(--ink-faint)}
.pagination [aria-disabled]{color:var(--ink-faint);opacity:.5}

/* tags */
.tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.5rem}
.tag{font-size:.72rem;padding:.2rem .6rem;border-radius:20px;background:var(--surface-alt);color:var(--ink-soft);border:1px solid var(--border);font-weight:500}
.tag.sdg{background:var(--accent2-soft);color:var(--accent2);border-color:transparent}

/* detail page */
.back-link{font-size:.85rem;color:var(--ink-faint);display:inline-block;margin-bottom:.9rem}
.kind-badge{
  font-family:"IBM Plex Mono";font-size:.7rem;letter-spacing:.05em;text-transform:uppercase;font-weight:600;
  color:var(--accent);background:var(--accent-soft);padding:.28rem .65rem;border-radius:6px;display:inline-block;margin-bottom:.8rem;
}

.detail-grid{display:grid;grid-template-columns:1fr 300px;gap:1.8rem;align-items:start}
@media (max-width:860px){.detail-grid{grid-template-columns:1fr}}

.detail-main h1{font-size:1.7rem}
.detail-main .meta-row{color:var(--ink-soft);font-size:.94rem;margin:.3rem 0 0}
.detail-main h2{font-size:1.02rem;margin-top:1.9rem;padding-bottom:.4rem;border-bottom:1px solid var(--border)}
.detail-main p{max-width:70ch}
.related-list{margin:.5rem 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:.3rem}
.related-list li{font-size:.92rem}
.related-list .yr{color:var(--ink-faint);font-family:"IBM Plex Mono";font-size:.82rem}

.fact-card{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.3rem 1.4rem;
  box-shadow:var(--shadow-lg);position:sticky;top:5.5rem;
}
.fact-card h3{font-family:"IBM Plex Mono";font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-faint);font-weight:600;margin:0 0 .9rem}
.fact-list{margin:0;display:flex;flex-direction:column;gap:.75rem}
.fact-list .fact{display:flex;flex-direction:column;gap:.12rem}
.fact-list dt{font-size:.68rem;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-faint);font-family:"IBM Plex Mono"}
.fact-list dd{margin:0;font-size:.92rem;color:var(--ink)}
.fact-divider{border:none;border-top:1px solid var(--border);margin:.95rem 0}

.canonical-note{margin-top:1.4rem;font-size:.8rem;color:var(--ink-faint)}
.canonical-note code{background:var(--surface-alt);padding:.15rem .45rem;border-radius:5px}

.empty{color:var(--ink-faint);font-style:italic}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:.7rem;padding:3rem 1rem;
  color:var(--ink-faint);text-align:center;background:var(--surface);border:1px dashed var(--border-strong);border-radius:12px;
}
.empty-state p{margin:0;font-size:.92rem}

/* ===== listing hero + search ===== */
.listing-hero{
  background:var(--accent);color:#fff;padding:2.4rem 2rem 2.6rem;
  margin:-2.6rem -1.5rem 1.8rem;border-radius:0 0 18px 18px;
}
.listing-hero h1{color:#fff;font-size:2rem;margin-bottom:1.1rem}
.search-bar{display:flex;align-items:center;gap:.6rem;background:#fff;border-radius:12px;padding:.2rem .3rem .2rem 1.1rem;max-width:640px;box-shadow:var(--shadow-lg)}
.search-bar svg{flex:none;color:var(--ink-faint)}
.search-bar input{
  flex:1;border:none;outline:none;padding:.75rem .2rem;font-size:1rem;font-family:"IBM Plex Sans";color:var(--ink);background:transparent;
}
.search-bar button{border:none;background:var(--accent);color:#fff;border-radius:9px;padding:.7rem 1.2rem;font-weight:600;font-size:.88rem;cursor:pointer}
.search-bar button:hover{background:var(--accent-hover)}

/* ===== toolbar ===== */
.toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.8rem;margin-bottom:1.2rem}
.toolbar-left{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap}
.toolbar-label{font-family:"IBM Plex Mono";font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-faint)}
.clear-all{font-size:.82rem;color:var(--accent);background:var(--accent-soft);border:none;border-radius:7px;padding:.4rem .8rem;cursor:pointer;font-weight:600}
.clear-all:hover{background:var(--accent);color:#fff}
.result-count{font-size:.86rem;color:var(--ink-soft)}
.sort-select{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--ink-soft)}
.sort-select select{padding:.4rem .6rem;border:1px solid var(--border);border-radius:7px;background:var(--surface);font-family:"IBM Plex Sans"}

/* ===== listing layout: sidebar facets + card grid ===== */
.listing-layout{display:grid;grid-template-columns:250px 1fr;gap:1.8rem;align-items:start}
@media (max-width:860px){.listing-layout{grid-template-columns:1fr}}

.facet-panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.1rem 1.2rem;margin-bottom:1rem;box-shadow:var(--shadow)}
.facet-panel h4{font-family:"IBM Plex Mono";font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-faint);font-weight:600;margin:0 0 .8rem}
.facet-panel .search-mini{width:100%;padding:.4rem .6rem;border:1px solid var(--border);border-radius:7px;font-size:.85rem;margin-bottom:.7rem;background:var(--bg)}
.facet-list{display:flex;flex-direction:column;gap:.5rem;max-height:220px;overflow-y:auto}
.facet-item{display:flex;align-items:center;gap:.5rem;font-size:.86rem;color:var(--ink-soft);cursor:pointer;padding:.15rem 0}
.facet-item input{accent-color:var(--accent);cursor:pointer}
.facet-item span.fname{flex:1}
.facet-item span.fcount{font-family:"IBM Plex Mono";font-size:.72rem;color:var(--ink-faint);background:var(--surface-alt);border-radius:20px;padding:.05rem .5rem}
.facet-item.checked span.fname{color:var(--accent);font-weight:600}
.range-row{display:flex;align-items:center;gap:.5rem}
.range-row input[type=number]{width:70px;padding:.35rem .5rem;border:1px solid var(--border);border-radius:6px;font-size:.85rem;font-family:"IBM Plex Mono"}
.dual-range{position:relative;height:28px;margin-top:.8rem}
.dual-range input[type=range]{position:absolute;width:100%;top:8px;height:0;pointer-events:none;-webkit-appearance:none;background:transparent}
.dual-range input[type=range]::-webkit-slider-thumb{pointer-events:auto;-webkit-appearance:none;width:15px;height:15px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid #fff;box-shadow:0 0 0 1px var(--border)}
.dual-range input[type=range]::-moz-range-thumb{pointer-events:auto;width:15px;height:15px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid #fff}
.dual-range .track{position:absolute;top:12px;left:0;right:0;height:4px;background:var(--surface-alt);border-radius:4px}
.dual-range .track-fill{position:absolute;top:12px;height:4px;background:var(--accent);border-radius:4px}
.facet-apply{width:100%;margin-top:.8rem;padding:.5rem;border:1px solid var(--border);border-radius:7px;background:var(--surface-alt);color:var(--ink);font-size:.82rem;cursor:pointer;font-weight:600}
.facet-apply:hover{background:var(--accent);color:#fff;border-color:var(--accent)}

/* ===== card grid ===== */
.card-grid{display:grid;grid-template-columns:1fr;gap:.9rem}
.card-grid.card-grid--2col{grid-template-columns:repeat(2,1fr)}
@media (max-width:700px){.card-grid.card-grid--2col{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.2rem 1.3rem;box-shadow:var(--shadow);position:relative;transition:box-shadow .12s ease, transform .12s ease}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}

/* horizontal list-row layout (paper/publication listing style) */
.card-row{display:flex;gap:1.2rem;align-items:flex-start}
.card-row .card-main{flex:1;min-width:0}
.card-row .card-side{flex:none;display:flex;gap:.6rem;align-items:center;padding-top:.2rem}
@media (max-width:640px){.card-row{flex-direction:column}.card-row .card-side{padding-top:.6rem}}

.doi-link{font-family:"IBM Plex Mono";font-size:.78rem}
.badge-cluster{display:flex;gap:.5rem;align-items:center;cursor:help}
.badge-cluster.mb-badges{margin-bottom:1.1rem;padding-bottom:1.1rem;border-bottom:1px solid var(--border);flex-direction:column;align-items:flex-start;gap:.4rem}
.badge-caption{font-family:"IBM Plex Mono";font-size:.68rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-faint)}

.pill.accred-1{background:#DBEEE9;color:#1C7A68;border-color:transparent}
.pill.accred-2{background:var(--accent-soft);color:var(--accent);border-color:transparent}
.pill.accred-3{background:var(--gold-soft);color:var(--gold);border-color:transparent}
.card-top{display:flex;align-items:flex-start;gap:.8rem}
.card-title{font-weight:600;font-size:1rem;color:var(--ink);display:block}
.card-title:hover{color:var(--accent)}
.card-sub{font-size:.82rem;color:var(--ink-soft);margin-top:.1rem}
.card-body{flex:1;min-width:0}
.hindex-pill{
  flex:none;font-family:"IBM Plex Mono";font-size:.72rem;font-weight:600;color:var(--ink);background:var(--surface-alt);
  border-radius:20px;padding:.3rem .65rem;white-space:nowrap;
}
.id-links{display:flex;gap:.5rem;margin-top:.6rem;font-size:.72rem;font-weight:600}
.id-link{padding:.1rem .5rem;border-radius:5px}
.id-orcid{color:#5C7A17;background:#EAF3D2}
.id-scopus{color:#B04E00;background:#FDE7D3}
.id-openalex{color:#6B3FA0;background:#EDE1F7}
.card-orgs{font-size:.82rem;color:var(--accent);margin-top:.5rem;line-height:1.5}
.card-stats-row{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.8rem;padding-top:.8rem;border-top:1px solid var(--border);font-size:.82rem;color:var(--ink-soft)}
.card-stats-row b{color:var(--ink);font-family:"IBM Plex Mono";font-variant-numeric:tabular-nums}

.card-authors{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.6rem}
.author-pill{font-size:.76rem;background:var(--surface-alt);color:var(--ink-soft);padding:.15rem .55rem;border-radius:20px}
.card-abstract{font-size:.86rem;color:var(--ink-soft);margin-top:.6rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pill-row{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.7rem}
.pill{font-size:.7rem;font-weight:600;padding:.18rem .55rem;border-radius:6px;border:1px solid var(--border);color:var(--ink-soft)}
.pill.q1{background:#DBEEE9;color:#1C7A68;border-color:transparent}
.pill.q2{background:var(--accent-soft);color:var(--accent);border-color:transparent}
.pill.q3{background:var(--gold-soft);color:var(--gold);border-color:transparent}
.pill.q4{background:var(--surface-alt);color:var(--ink-faint);border-color:transparent}
.pill.oa{background:#DBEEE9;color:#1C7A68;border-color:transparent}

/* ===== avatar ===== */
.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:#fff;font-weight:700;font-family:"IBM Plex Sans";flex:none}

/* ===== sdg badge ===== */
.sdg-badge{display:inline-flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;color:#fff;border-radius:6px;overflow:hidden}
.sdg-badge-md{width:76px;height:76px;padding:.35rem}
.sdg-badge-sm{width:34px;height:34px;padding:0;align-items:center;justify-content:center}
.sdg-badge-num{font-family:"IBM Plex Mono";font-weight:700;font-size:1.1rem;line-height:1}
.sdg-badge-sm .sdg-badge-num{font-size:.85rem}
.sdg-badge-label{font-size:.6rem;line-height:1.15;font-weight:600;margin-top:.15rem}
.sdg-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.6rem}

/* ===== stat tiles + sparkline ===== */
.stat-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.8rem;margin:1.2rem 0 0}
.stat-tile{border-radius:12px;padding:.9rem 1rem 1rem;border:1px solid var(--border)}
.stat-tile b{display:block;font-family:"IBM Plex Mono";font-size:1.4rem;font-variant-numeric:tabular-nums}
.stat-tile span{font-size:.78rem;color:var(--ink-soft)}
.stat-tile.c-accent{background:var(--accent-soft)}.stat-tile.c-accent b{color:var(--accent)}
.stat-tile.c-teal{background:var(--accent2-soft)}.stat-tile.c-teal b{color:var(--accent2)}
.stat-tile.c-gold{background:var(--gold-soft)}.stat-tile.c-gold b{color:var(--gold)}
.stat-tile.c-plum{background:#EFE3F2}.stat-tile.c-plum b{color:#7A3B69}
.stat-tile.c-slate{background:#E3E8F0}.stat-tile.c-slate b{color:#3B5170}
.sparkline{margin:.5rem 0 0}
.sparkline svg{width:100%;height:32px;display:block}
.sparkline figcaption{display:flex;justify-content:space-between;font-size:.62rem;color:var(--ink-faint);font-family:"IBM Plex Mono";margin-top:.1rem}

/* ===== topic ring / stat ring ===== */
.topic-ring{display:flex;align-items:center;gap:.6rem;font-size:.86rem;padding:.5rem .6rem;border-radius:8px}
.topic-ring:hover{background:var(--surface-alt)}
.topic-ring-name{color:var(--ink)}
.topic-ring-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.2rem;margin-top:.6rem}
.stat-ring{position:relative;display:inline-flex;align-items:center;justify-content:center}
.stat-ring svg{width:100%;height:100%}
.stat-ring-value{position:absolute;font-family:"IBM Plex Mono";font-weight:700;font-size:.78rem;color:var(--ink)}

/* ===== similar items sidebar ===== */
.similar-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.1rem 1.2rem;box-shadow:var(--shadow-lg);position:sticky;top:5.5rem}
.similar-card h3{font-family:"IBM Plex Mono";font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-faint);font-weight:600;margin:0 0 .9rem}
.similar-item{display:flex;flex-direction:column;gap:.15rem;padding:.7rem 0;border-top:1px solid var(--border)}
.similar-item:first-child{border-top:none;padding-top:0}
.similar-item-head{display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.similar-item-head a{font-weight:600;font-size:.9rem;color:var(--ink)}
.similar-item-head a:hover{color:var(--accent)}
.match-pct{font-family:"IBM Plex Mono";font-size:.72rem;font-weight:700;color:var(--accent);background:var(--accent-soft);border-radius:20px;padding:.1rem .5rem;flex:none}
.similar-item-meta{font-size:.78rem;color:var(--ink-faint)}

/* ===== collaboration network ===== */
.network-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.3rem 1.4rem;margin-top:1.8rem;box-shadow:var(--shadow)}
.network-legend{display:flex;flex-direction:column;gap:.5rem;font-size:.85rem;margin-bottom:1rem}
.network-legend label{display:flex;align-items:center;gap:.5rem;cursor:pointer}
.network-legend input{accent-color:var(--accent)}
.network-dot{width:10px;height:10px;border-radius:50%;flex:none}
#network-svg{width:100%;height:420px;background:var(--bg);border-radius:10px;border:1px solid var(--border);cursor:grab}
#network-svg:active{cursor:grabbing}
.network-node-label{font-size:9px;font-family:"IBM Plex Sans";fill:var(--ink-soft);pointer-events:none}