:root{color-scheme:dark;--bg:#061323;--surface:#0b1c30;--line:#25435f;--text:#f3f7fd;--muted:#a9bed8;--cyan:#24dceb;--gold:#edd96c;--violet:#d294fa;--green:#a3eab3}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% 35%,#102947 0,transparent 53%),var(--bg);color:var(--text);font-family:Inter,Arial,Helvetica,sans-serif;font-size:15px;line-height:1.5}button,input,a{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;color:var(--muted);background:#0b1b2d;border:1px solid var(--line);border-radius:8px;min-height:44px;padding:9px 15px}button:hover,a:hover{color:#fff;border-color:var(--cyan)}button:focus-visible,a:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}a{color:var(--cyan);text-decoration:none}p{margin:0 0 16px}h1,h2,h3{line-height:1.15;margin:0}h1{font-size:clamp(28px,3.3vw,49px);letter-spacing:-1.5px}h2{font-size:25px}h3{font-size:20px}.nav{display:flex;align-items:center;gap:25px;padding:17px 3.5%;border-bottom:1px solid var(--line)}.brand{color:var(--text);font-size:23px;letter-spacing:5px;white-space:nowrap}.brand span{color:var(--cyan);font-size:32px}.nav-caption{font-size:13px;color:var(--muted)}.github{margin-left:auto;border:1px solid var(--cyan);padding:8px 14px;border-radius:8px}main{max-width:1680px;margin:auto;padding:30px 3.5% 0}.intro p{color:var(--muted);font-size:20px;margin-top:10px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--cyan);margin-bottom:12px}.tracks{display:flex;gap:9px;margin-top:25px}.tracks button{padding:11px 22px}.tracks [aria-selected=true],.segmented [aria-pressed=true]{background:#083343;border-color:var(--cyan);color:var(--cyan)}.track-description{color:var(--muted);margin:12px 0 5px;max-width:950px}.status-note{color:#8097b3;font-size:12px;margin-bottom:18px}.workspace{display:grid;grid-template-columns:minmax(0,2.15fr) minmax(290px,1fr);gap:12px;align-items:start}.canvas-shell,.details{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#071726ba}.toolbar{display:flex;flex-wrap:wrap;gap:8px;padding:12px;border-bottom:1px solid var(--line);align-items:center}.segmented{display:flex;gap:5px}.search{flex:1;min-width:140px}.search input{width:100%;min-height:44px;padding:10px 13px;background:#0b1b2d;color:var(--text);border:1px solid var(--line);border-radius:8px}.toolbar>button{font-size:12px;padding:9px 12px}.canvas{position:relative;min-height:565px;padding:27px 22px;background-image:radial-gradient(#26435866 .7px,transparent .7px);background-size:15px 15px}.map-layout{display:grid;position:relative;grid-template-columns:minmax(0,1fr) 110px minmax(0,1fr);grid-template-rows:auto auto;gap:32px 5px;min-height:390px;align-items:center}.map-layout>.group:nth-of-type(1){grid-column:1;grid-row:1}.map-layout>.group:nth-of-type(2){grid-column:3;grid-row:1}.map-layout>.group:nth-of-type(3){grid-column:1;grid-row:2}.map-layout>.group:nth-of-type(4){grid-column:3;grid-row:2}.hub{z-index:1;grid-column:2;grid-row:1/3;border:1px solid #6584f4;border-radius:50%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;flex-direction:column;background:radial-gradient(circle,#122b58,#071323);box-shadow:0 0 20px #5078ee50;color:var(--text);font-size:12px;letter-spacing:3px}.hub svg{width:38px;height:58px;margin-bottom:7px;stroke:var(--cyan);fill:none;stroke-width:2}.connections{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible;z-index:0}.group{--accent:var(--cyan);border:1px solid var(--accent);border-radius:13px;padding:17px;background:linear-gradient(130deg,#0b2334,#081523);position:relative;z-index:1;box-shadow:0 0 18px color-mix(in srgb,var(--accent) 8%,transparent)}.gold{--accent:var(--gold)}.violet{--accent:var(--violet)}.green{--accent:var(--green)}.cyan{--accent:var(--cyan)}.group.selected{box-shadow:0 0 0 2px var(--accent),0 0 22px color-mix(in srgb,var(--accent) 15%,transparent)}.group-title{padding:0;min-height:44px;color:var(--accent);font-size:20px;font-weight:700;background:transparent;border:0;text-align:left;line-height:1.15}.group p{font-size:13px;color:var(--muted);margin:9px 0 15px}.group>.expand{width:100%;text-align:right;padding:9px 0 0;min-height:37px;border:0;border-radius:0;border-top:1px solid var(--line);background:transparent;color:var(--accent);font-size:12px}.child-list{list-style:none;padding:0;margin:12px 0}.child-list li{margin:5px 0}.node-button{width:100%;text-align:left;font-size:12px;padding:7px 9px;line-height:1.4}.node-button.selected{border-color:var(--accent);color:var(--accent)}.module-label{font-size:11px;color:var(--muted);letter-spacing:1.5px;text-align:center;margin:26px 0 10px}.modules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.modules button{font-size:12px;border-color:var(--accent)}.modules button.selected{color:var(--accent);background:#0c2d3c;box-shadow:0 0 10px #24dceb25}.canvas-footer{padding:10px 15px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;font-size:10px;color:#8eacca}.details{padding:24px;min-height:650px}.details .eyebrow{letter-spacing:1px}.details h2{margin-bottom:14px;font-size:28px}.evidence{display:inline-block;border:1px solid #476680;border-radius:20px;color:var(--muted);font-size:11px;padding:4px 10px;margin:0 4px 14px 0}.details-text{font-size:14px;color:var(--muted);white-space:pre-line;line-height:1.65}.detail-children{display:grid;gap:10px;margin:22px 0}.detail-children button{text-align:left;border-color:#285b73;background:#0a2237;padding:15px}.detail-children strong{display:block;color:var(--text);font-size:15px;margin-bottom:5px}.detail-children span{font-size:12px;color:var(--muted)}.details h3{font-size:15px;margin:20px 0 10px}.chips{display:flex;flex-wrap:wrap;gap:7px}.chips span{border:1px solid var(--line);padding:5px 8px;border-radius:6px;font-size:11px;color:var(--muted)}.detail-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.detail-actions button{border-color:var(--cyan);color:var(--cyan);font-size:12px}.notice{border-left:2px solid var(--cyan);padding-left:12px;color:var(--muted);font-size:12px;margin-top:20px}.source-note{font-size:10px;color:#8298b4;margin-top:18px}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:22px 0;border-top:1px solid var(--line);padding-top:20px}.principles>div{padding-left:18px;border-left:1px solid var(--line)}.principles strong,.principles span{display:block}.principles span{font-size:12px;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:15px;padding:17px 3.5%;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.question-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.question-grid .group{height:100%;min-height:155px}.question-grid .group-title{font-size:19px}.outline{display:grid;gap:12px}.outline .group{padding:15px}.outline .child-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}.empty{color:var(--muted);padding:30px 10px}.skip{position:absolute;left:20px;top:-80px;padding:12px;background:var(--surface);z-index:10}.skip:focus{top:10px}.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(min-width:1500px){.map-layout{grid-template-columns:minmax(0,1fr) 145px minmax(0,1fr);gap:42px 12px}.hub{font-size:16px}.group{padding:21px}.group-title{font-size:23px}.canvas{padding:34px 28px}}@media(max-width:1100px){.workspace{grid-template-columns:minmax(0,1.7fr) minmax(280px,1fr)}.map-layout{grid-template-columns:minmax(0,1fr) 70px minmax(0,1fr);gap:25px 5px}.hub{font-size:8px;letter-spacing:2px}.hub svg{width:25px;height:40px;margin:0}.group{padding:13px}.group-title{font-size:18px}.canvas{padding:20px 15px}.details{padding:20px}.details h2{font-size:24px}.modules{grid-template-columns:1fr}.nav-caption{display:none}}@media(max-width:800px){main{padding:25px 20px 0}.workspace{grid-template-columns:1fr}.details{min-height:0}.tracks{overflow:auto}.tracks button{white-space:nowrap;padding:10px 14px}.map-layout{grid-template-columns:minmax(0,1fr) 110px minmax(0,1fr)}.modules{grid-template-columns:repeat(3,minmax(0,1fr))}.details{padding:24px}.canvas-footer{flex-direction:column}.github{font-size:12px}.nav{padding:14px 20px}.brand{font-size:18px;letter-spacing:3px}.intro p{font-size:17px}}@media(max-width:520px){.map-layout{display:flex;flex-direction:column;gap:16px}.hub{width:95px;min-height:95px;order:-1;font-size:11px}.group{width:100%}.connections{display:none}.modules{grid-template-columns:1fr}.question-grid{grid-template-columns:1fr}.outline .child-list{grid-template-columns:1fr}.principles{grid-template-columns:1fr;gap:13px}footer{flex-direction:column}.toolbar{gap:6px}.search{order:3;flex-basis:100%}.canvas{padding:20px 15px}.canvas-shell{overflow:visible}}@media(prefers-reduced-motion:no-preference){button,a{transition:border-color .15s,color .15s,box-shadow .15s}html{scroll-behavior:smooth}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
body{font-family:"Source Sans 3",Inter,Arial,sans-serif}
h1,h2,h3,.brand,.group-title,.tracks button{font-family:"Instrument Sans","Source Sans 3",sans-serif}
.nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;letter-spacing:.16em;font-size:15px;font-weight:600}
.mark{width:22px;height:22px}
.nav-links{display:flex;gap:22px;justify-content:center}
.nav-links a{color:var(--muted);min-height:44px;display:inline-flex;align-items:center;text-decoration:none}
.nav-links a[aria-current="page"]{color:var(--text);box-shadow:inset 0 -2px 0 var(--cyan)}
.github{justify-self:end;margin-left:0;border-radius:999px}
.intro{display:flex;justify-content:space-between;align-items:flex-end;gap:24px}
.revision{margin:0;font-size:13px;color:#8097b3;white-space:nowrap}
@media(max-width:800px){
  .nav{grid-template-columns:1fr auto}
  .nav-links{grid-column:1 / -1;justify-content:flex-start;overflow:auto}
  .intro{flex-direction:column;align-items:flex-start}
  .revision{white-space:normal}
}

.examples{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.example{min-height:40px;padding:8px 12px;font-size:14px;color:var(--text);background:#0b1b2d}
.example.selected{border-color:var(--accent);color:var(--accent)}
.group.is-related{box-shadow:0 0 0 2px var(--accent)}
.details{min-height:0;font-size:16px}
.details h2{font-size:1.7rem}
.details-text,.detail-block p,.support p{font-size:16px;line-height:1.6;color:#d5e2f0}
.detail-block{margin:0 0 16px}
.detail-block h3,.technical summary{font-size:14px;letter-spacing:.04em;text-transform:uppercase;color:var(--cyan);margin:0 0 6px}
.support a{display:inline}
.paper-links{margin-top:8px}
.technical{margin-top:18px;border-top:1px solid var(--line);padding-top:12px}
.technical summary{cursor:pointer;min-height:44px;display:flex;align-items:center}
.technical p{color:var(--muted);font-size:15px}
.text-action{margin-top:8px;border-color:var(--violet);color:var(--violet)}
body{font-size:16px}
.group p{font-size:15px}
.canvas-footer{font-size:14px;color:#c5d4e4}
.hub{font-size:14px;letter-spacing:.14em}
.hub svg{width:44px;height:44px;stroke:none;fill:none}
.hub svg path{stroke-width:1.6}
.modules button{font-size:15px;min-height:48px}