:root,
:root[data-theme="dark"]{
  --bg:#0b1117;
  --panel:#141c25;
  --panel-2:#1c2733;
  --fg:#e9eef4;
  --fg-strong:#ffffff;
  --body-fg:#dde4ec;
  --muted:#9aa6b4;
  --accent:#06d6a0;
  --accent-fg:#062b1f;
  --link:#5db5ff;
  --border:#26323f;
  --header-bg:rgba(11,17,23,0.92);
  --hover-bg:#243140;
  --chip-bg:rgba(255,255,255,.04);
  --filter-hover:#1f2a36;
  --context-border:#3a4858;
  --panel-shadow:0 12px 40px rgba(0,0,0,.45);
  --filter-shadow:0 12px 40px rgba(0,0,0,.35);
  --text-outline:#0b1117;
  --max:1240px;
}
:root[data-theme="light"]{
  --bg:#f7f9fc;
  --panel:#ffffff;
  --panel-2:#eef2f7;
  --fg:#1a2230;
  --fg-strong:#0a0f17;
  --body-fg:#2a3344;
  --muted:#5a6776;
  --accent:#058b69;
  --accent-fg:#ffffff;
  --link:#2563eb;
  --border:#dbe2ea;
  --header-bg:rgba(255,255,255,0.92);
  --hover-bg:#e3eaf2;
  --chip-bg:rgba(0,0,0,.04);
  --filter-hover:#e9eff5;
  --context-border:#b8c3cf;
  --panel-shadow:0 12px 40px rgba(20,30,50,.10);
  --filter-shadow:0 12px 40px rgba(20,30,50,.08);
  --text-outline:#ffffff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font:16px/1.55 -apple-system,BlinkMacSystemFont,'Segoe UI',Inter,Roboto,sans-serif}
html{color-scheme:dark}
html[data-theme="light"]{color-scheme:light}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
main{max-width:var(--max);margin:0 auto;padding:24px 20px 80px}
.site-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);background:var(--header-bg);backdrop-filter:blur(8px);position:sticky;top:0;z-index:5}
.brand{display:flex;gap:10px;align-items:baseline;color:var(--fg);font-weight:700;font-size:1.1rem;letter-spacing:.02em}
.brand-mark{color:var(--accent);font-size:.95rem}
.site-header nav{display:flex;gap:18px;font-size:.95rem;align-items:center}
.site-header nav a{color:var(--muted)}
.site-header nav a:hover{color:var(--fg)}
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;border:1px solid var(--border);background:var(--panel);color:var(--fg);cursor:pointer;padding:0;line-height:1;transition:background .15s,border-color .15s,color .15s}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}
.theme-toggle svg{width:18px;height:18px;display:block}
.theme-toggle .icon-sun{display:none}
:root[data-theme="light"] .theme-toggle .icon-sun{display:block}
:root[data-theme="light"] .theme-toggle .icon-moon{display:none}
.hero{padding:36px 0 18px;text-align:center}
.hero h1{font-size:clamp(2rem,4.6vw,3.4rem);margin:0 0 8px;letter-spacing:-.02em}
.lede{color:var(--muted);max-width:60ch;margin:0 auto 18px}
.stats{display:flex;gap:22px;justify-content:center;color:var(--muted);font-size:.95rem;margin-bottom:18px}
.stats strong{color:var(--fg);font-size:1.15rem}
.search-wrap{position:relative;max-width:520px;margin:0 auto}
#graph-search{width:100%;padding:12px 16px;border-radius:12px;border:1px solid var(--border);background:var(--panel);color:var(--fg);font-size:1rem;outline:none}
#graph-search:focus{border-color:var(--accent)}
.suggest{position:absolute;top:100%;left:0;right:0;background:var(--panel-2);border:1px solid var(--border);border-radius:12px;list-style:none;padding:6px;margin:6px 0 0;max-height:340px;overflow:auto;text-align:left;z-index:10}
.suggest li{padding:8px 10px;border-radius:8px;cursor:pointer;display:flex;justify-content:space-between;gap:12px}
.suggest li:hover,.suggest li.sel{background:var(--hover-bg)}
.suggest small{color:var(--muted)}
.graph-shell{position:relative;margin:18px 0 30px;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--panel);height:min(78vh,720px)}
#cy{position:absolute;inset:0}
#cy-mini{position:relative;border:1px solid var(--border);border-radius:12px;background:var(--panel);height:360px}
.node-panel{position:absolute;top:14px;right:14px;width:min(380px,calc(100% - 28px));max-height:calc(100% - 28px);background:var(--panel-2);border:1px solid var(--border);border-radius:12px;padding:18px 18px 22px;overflow:auto;box-shadow:var(--panel-shadow)}
.node-panel .close-btn{position:absolute;top:8px;right:10px;background:none;border:0;color:var(--muted);font-size:1.4rem;cursor:pointer}
.node-panel h2{margin:0 0 6px;font-size:1.2rem}
.node-panel .type-label{color:var(--muted);font-size:.85rem;margin-bottom:10px}
.node-panel ul{padding:0;list-style:none;margin:8px 0 0}
.node-panel a.full{display:inline-block;margin-top:14px;padding:8px 14px;background:var(--accent);color:var(--accent-fg);border-radius:8px;font-weight:600}
.node-panel a.full:hover{text-decoration:none;filter:brightness(1.08)}
.legend{margin-top:26px}
.legend h2{font-size:1.05rem;color:var(--muted);font-weight:500;margin-bottom:10px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:.8rem;background:var(--chip-bg);border:1px solid var(--border);margin:4px 6px 0 0}
.chip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c,#888)}
.node-page{max-width:980px;margin:0 auto}
.back{display:inline-block;margin-bottom:14px;color:var(--muted)}
.node-head{padding:18px 22px;border:1px solid var(--border);border-left:5px solid var(--c,#888);border-radius:12px;background:var(--panel);margin-bottom:22px}
.node-head h1{margin:8px 0 0;font-size:2rem;letter-spacing:-.01em}
.node-body{font-size:1.02rem;color:var(--body-fg);background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px 22px}
.node-body p{margin:0 0 12px}
.node-body ul{padding-left:22px}
.connections{margin-top:26px}
.connections h2{font-size:1.25rem;margin:0 0 12px}
.conn-block{margin-bottom:18px}
.conn-block h3{font-size:1rem;color:var(--muted);font-weight:500;margin:0 0 8px;letter-spacing:.01em}
.conn-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.conn{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--panel);color:var(--fg)}
.conn:hover{text-decoration:none;border-color:var(--c,#888);background:var(--panel-2)}
.conn-dot{width:10px;height:10px;border-radius:50%;background:var(--c,#888);flex-shrink:0}
.conn small{margin-left:auto;color:var(--muted);font-size:.78rem}
.sources{margin-top:26px}
.sources h3{font-size:1.15rem;margin:0 0 10px}
.sources ul{list-style:none;padding:0;margin:0}
.sources li{padding:8px 10px;border-bottom:1px solid var(--border);font-size:.92rem}
.sources small{color:var(--muted);margin-left:6px;text-transform:uppercase;font-size:.7rem;letter-spacing:.05em}
.mini-graph{margin-top:30px}
.mini-graph h2{font-size:1.15rem;margin:0 0 10px}
.muted{color:var(--muted)}
.site-footer{max-width:var(--max);margin:40px auto 30px;padding:18px 20px;border-top:1px solid var(--border);color:var(--muted);font-size:.9rem;text-align:center}
.site-footer .disclaimer{font-size:.78rem;opacity:.7;margin-top:6px}
.browse-block{margin-bottom:28px}
.browse-block h2{font-size:1.15rem;border-left:4px solid var(--c,#888);padding-left:10px}
.browse-list{list-style:none;padding:0;margin:0;columns:3;column-gap:22px}
.browse-list li{break-inside:avoid;padding:3px 0}
/* family nav (under hero on /) */
.fam-nav{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:18px auto 0;max-width:900px}
.fam-link{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:1px solid var(--border);border-radius:999px;background:var(--panel);color:var(--fg);font-size:.9rem}
.fam-link:hover{text-decoration:none;border-color:var(--c,#888);background:var(--panel-2)}
.fam-link small{color:var(--muted);font-size:.78rem}
.fam-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--c,#888);flex-shrink:0}
.hero-family h1{display:inline-flex;align-items:center;gap:12px}
.hero-family .fam-dot{width:14px;height:14px}
.hero-family .back{display:block;margin-bottom:10px}
/* filter panel on graph views */
.filter-panel{position:absolute;top:14px;left:14px;width:240px;max-height:calc(100% - 28px);overflow:auto;background:var(--panel-2);border:1px solid var(--border);border-radius:12px;padding:12px 12px 10px;box-shadow:var(--filter-shadow);z-index:4}
.filter-panel header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;gap:8px}
.filter-panel h2{margin:0;font-size:.78rem;text-transform:uppercase;color:var(--muted);letter-spacing:.06em;font-weight:600}
.filter-actions{display:flex;gap:4px}
.filter-actions button{background:none;border:1px solid var(--border);color:var(--muted);font-size:.72rem;padding:2px 8px;border-radius:6px;cursor:pointer}
.filter-actions button:hover{color:var(--fg);border-color:var(--muted)}
.filter-list{list-style:none;padding:0;margin:0}
.filter-list li{margin:1px 0}
.filter-list label{display:flex;align-items:center;gap:8px;padding:5px 6px;border-radius:6px;cursor:pointer;font-size:.88rem;line-height:1.2}
.filter-list label:hover{background:var(--filter-hover)}
.filter-list input[type=checkbox]{accent-color:var(--accent);margin:0}
.filter-list .fam-dot{width:9px;height:9px}
.filter-list .count{margin-left:auto;color:var(--muted);font-size:.75rem}
.filter-list .off{opacity:.45}
@media (max-width:760px){
  .filter-panel{position:static;width:auto;max-height:none;margin:0 0 12px;box-shadow:none}
  .graph-shell{display:flex;flex-direction:column;height:auto}
  .graph-shell #cy{position:relative;height:60vh;min-height:380px}
}
/* /categories/ hub */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;margin:24px 0}
.cat-card{display:block;padding:18px 18px 14px;border:1px solid var(--border);border-left:4px solid var(--c,#888);border-radius:12px;background:var(--panel);color:var(--fg)}
.cat-card:hover{text-decoration:none;border-color:var(--c,#888);background:var(--panel-2);transform:translateY(-1px);transition:transform .12s}
.cat-card h2{font-size:1.2rem;margin:6px 0 6px;display:inline-flex;align-items:center;gap:10px}
.cat-card .cat-subtypes{margin:4px 0 8px;line-height:1.4}
.cat-card .cat-count strong{color:var(--accent);font-size:1.15rem}
@media (max-width:760px){
  .browse-list{columns:1}
  .stats{flex-wrap:wrap;gap:14px}
  .conn-list{grid-template-columns:1fr 1fr}
  .fam-nav{padding:0 8px}
}