@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Libre+Caslon+Display&display=swap');
:root{--bg:#091518;--panel:#0d1c20;--line:#24363a;--text:#e4e9e3;--muted:#98aaa8;--gold:#d5b67c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px 'DM Sans',sans-serif}button,input,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;background:none;border:1px solid var(--line);border-radius:5px;padding:10px 15px}button:hover{background:#1d3034;border-color:#80908a}button:focus-visible,a:focus-visible,input:focus-visible,[role=button]:focus-visible{outline:2px solid var(--gold);outline-offset:4px}a{color:inherit;text-decoration:none}header{height:82px;padding:0 4%;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{font-size:11px;letter-spacing:2px;display:flex;align-items:center;gap:12px}.brandmark{color:var(--gold);font-size:34px}.edition{font-size:8px;color:var(--muted);border-left:1px solid var(--line);padding-left:20px;margin-left:15px}header button{border:0;font-size:12px}main{max-width:1600px;margin:auto;padding:44px 4% 0}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:36px}.eyebrow{font-size:10px;letter-spacing:2.5px;color:var(--gold);margin:0 0 16px}h1{font-family:'Libre Caslon Display',Georgia,serif;font-weight:400;font-size:76px;line-height:1;margin:0;letter-spacing:-2px}h1 em{color:var(--gold);font-weight:400}.lede{color:var(--muted);line-height:1.7;font-size:15px;margin-bottom:0}.intro-right{text-align:right;font-size:9px;letter-spacing:1.6px}.intro-right p{font-size:12px;letter-spacing:0;color:var(--muted);margin:18px 0}.intro-right strong{font-size:25px;color:var(--text);font-weight:400}.intro-right p span{margin:0 10px}.intro-right button{background:var(--gold);color:#152022;border:0;font-size:12px;letter-spacing:0;padding:13px 18px}.intro-right button span{margin-left:25px}.live-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#9dcaa5;margin-right:7px}.workspace{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:var(--panel)}.toolbar{padding:14px 20px;display:flex;justify-content:space-between;border-bottom:1px solid var(--line)}.tabs{display:flex;gap:5px}.tabs button{border:0;color:var(--muted);font-size:12px}.tabs .active{background:#243335;color:var(--text)}.search{display:flex;align-items:center;gap:12px}.search span{font-size:25px;color:var(--muted)}input[type=search]{background:none;border:0;color:var(--text);font:inherit;width:200px;outline-offset:1px}.filters{display:flex;flex-wrap:wrap;gap:8px;padding:15px 22px;border-bottom:1px solid var(--line)}.filters button{font-size:11px;border:1px solid transparent;padding:6px 11px;color:var(--muted)}.filters button.selected{border-color:#63726c;background:#223134;color:var(--text)}.dot{display:inline-block;height:6px;width:6px;border-radius:50%;background:var(--color);margin-right:7px}.explorer{display:grid;grid-template-columns:minmax(0,1fr) 330px;min-height:570px}.visual{position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 65%,#1e302c70,transparent 65%),radial-gradient(#60787825 .65px,transparent .65px);background-size:auto,23px 23px}.canvas-note{position:absolute;top:23px;left:25px;z-index:2;pointer-events:none;font-size:11px;color:var(--muted)}.canvas-note small{display:block;font-size:8px;letter-spacing:1.6px;margin-top:7px;color:#738984}#tree-wrap{position:relative;height:570px}#tree{width:100%;height:100%;display:block}.root-label{position:absolute;bottom:18px;text-align:center;width:100%;font-size:8px;letter-spacing:2px;color:#9caa96}.root-label span{color:var(--gold);margin:0 8px}.zoom{position:absolute;bottom:45px;left:20px;display:flex;background:var(--bg);border-radius:5px}.zoom button{padding:6px 10px;border:0;font-size:11px}.leaf{cursor:pointer}.leaf circle{transition:r .2s,opacity .2s}.leaf:hover .halo,.leaf.chosen .halo{opacity:.3}.leaf:hover .core,.leaf.chosen .core{r:8}.branch-label{font:9px 'DM Sans',sans-serif;letter-spacing:2px}.twig{fill:none;stroke-width:1.1;opacity:.45}.halo{opacity:.07}.trunk{fill:none;stroke:#bc9f6a;stroke-linecap:round}aside{border-left:1px solid var(--line);padding:27px;background:#102025}aside .meta{font-size:9px;letter-spacing:1.5px;color:var(--gold);margin-bottom:18px}aside h2{font:32px/1.1 'Libre Caslon Display',Georgia,serif;margin:0 0 16px}aside p{color:#b1c0bc;font-size:12px;line-height:1.75}aside h3{font-size:9px;letter-spacing:1.5px;font-weight:500;margin:21px 0 5px;color:var(--gold)}.badge{display:inline-block;font-size:9px;padding:6px 9px;background:#203b36;color:#b5d4bb;border-radius:4px}.source{display:block;border-top:1px solid var(--line);padding-top:17px;margin-top:24px;font-size:11px;color:var(--gold)}.source small{display:block;color:var(--muted);margin-top:7px}.detail-count{font-size:9px;color:var(--muted);margin-top:22px}.timeline{display:flex;align-items:center;gap:22px;padding:22px;border-top:1px solid var(--line);background:#0d1c20}.timeline #play{color:var(--gold);height:40px;width:40px;padding:0}.time-track{flex:1}.time-label{display:flex;justify-content:space-between;align-items:center;font-size:8px;letter-spacing:1.5px;color:var(--muted)}.time-label strong{color:var(--gold);font-size:18px;font-weight:400;letter-spacing:0}input[type=range]{width:100%;accent-color:var(--gold);cursor:pointer;margin:10px 0}.years{display:flex;justify-content:space-between;color:#94a6a1;font-size:9px}.timeline #surprise{font-size:11px}.footnote{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin:22px 0 36px;color:#8fa29e;font-size:11px;line-height:1.8}.footnote span{display:block;font-size:8px;letter-spacing:1.7px;color:var(--gold);margin-bottom:7px}footer{border-top:1px solid var(--line);padding:25px 4%;display:flex;justify-content:space-between;font-size:9px;letter-spacing:1px;color:var(--muted)}footer i{padding:0 10px}#list{padding:65px 22px 25px;max-height:570px;overflow:auto}.row{display:block;text-align:left;width:100%;border:0;border-bottom:1px solid var(--line);padding:16px 8px;border-radius:0}.row small{color:var(--muted);font-size:10px}.row strong{display:block;margin:7px 0;font-weight:500;font-size:16px}.row p{margin:0;color:var(--muted);line-height:1.5;font-size:12px}#empty{padding:100px 30px;color:var(--muted)}dialog{background:#102025;color:var(--text);border:1px solid #50605b;border-radius:10px;max-width:530px;padding:38px;line-height:1.8}dialog::backdrop{background:#000b;backdrop-filter:blur(4px)}dialog h2{font:40px Georgia,serif}dialog p{color:var(--muted)}dialog #close{float:right;font-size:22px;border:0;padding:0 6px}[hidden]{display:none!important}@media(min-width:1500px){#tree-wrap,.explorer{min-height:650px}}@media(max-width:1000px){.edition{display:none}.explorer{grid-template-columns:minmax(0,1fr) 285px}h1{font-size:64px}aside{padding:22px}.intro-right{max-width:260px}}@media(max-width:760px){header{height:65px}.brand{letter-spacing:1px;font-size:9px}.brandmark{font-size:25px}main{padding-top:32px}.intro{display:block}h1{font-size:57px}.intro-right{text-align:left;margin-top:25px;max-width:none}.intro-right p{display:inline-block;margin:0 0 0 10px;font-size:10px}.intro-right strong{font-size:16px}.intro-right button{display:block;margin-top:18px}.explorer{display:block}.visual{min-height:420px}#tree-wrap{height:430px}aside{border-left:0;border-top:1px solid var(--line)}.toolbar{padding:10px}.search input{width:125px;font-size:11px}.tabs button{font-size:10px;padding:9px}.filters{padding:10px;gap:2px}.filters button{font-size:10px;padding:7px}.timeline{gap:12px;padding:16px 12px}.timeline #surprise{font-size:9px;padding:10px 7px}.time-label{font-size:7px}.footnote{grid-template-columns:1fr;gap:6px}.canvas-note{top:15px;left:15px}.root-label{font-size:6px}footer{font-size:8px;gap:15px}#list{max-height:430px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.rangebar{padding:10px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px}.rangebar button{font-size:11px;padding:7px 12px}.rangebar button[aria-pressed=true]{background:var(--gold);color:var(--bg)}.rangebar span{color:var(--muted);font-size:10px}#graph-wrap{padding:50px 12px 18px}#graph{width:100%;min-height:300px;display:block}#graph text{font-family:'DM Sans',sans-serif;fill:var(--muted);font-size:12px}.plot-point{cursor:pointer}.plot-point:hover circle,.plot-point:focus circle{stroke:white;stroke-width:3}.graph-caption{color:var(--muted);font-size:11px;line-height:1.7;padding:0 18px}#graph-wrap details{font-size:11px;margin:12px 18px;color:var(--muted)}#graph-wrap summary{cursor:pointer}#graph-table{max-height:160px;overflow:auto;margin-top:10px}#graph-table table{width:100%;text-align:left;border-collapse:collapse}#graph-table td,#graph-table th{padding:6px;border-bottom:1px solid var(--line)}.stacking{margin-top:38px}.stacking h2{font:36px 'Libre Caslon Display',Georgia,serif;margin:0 0 20px}.stack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.stack-grid article{border-top:1px solid var(--gold);padding:20px 0}.stack-grid span{font-size:8px;letter-spacing:1.5px;color:var(--gold)}.stack-grid h3{font-weight:400;font-size:17px}.stack-grid p{font-size:12px;color:var(--muted);line-height:1.8}.stack-grid a{font-size:11px;color:var(--gold)}@media(max-width:760px){.stack-grid{grid-template-columns:1fr;gap:0}.toolbar{flex-wrap:wrap;gap:10px}.search{width:100%}.search input{width:100%}.rangebar{padding:10px;gap:10px}.rangebar span{font-size:9px}.canvas-note{position:relative;padding:12px 15px;top:0;left:0}#graph-wrap{padding-top:0}.stacking h2{font-size:30px}}

/* Hero stat */
.measured{margin:24px 18px 12px;border-top:1px solid var(--line);padding-top:22px}.measured h2{font:30px 'Libre Caslon Display',Georgia,serif;margin:0 0 8px}.measured-framing{font-size:12px;color:var(--muted);line-height:1.7;margin:0 0 20px}.measured-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.measured article{min-width:0;background:#09151880;border:1px solid var(--line);border-radius:7px;padding:18px}.measured-label{font-size:9px;letter-spacing:1.4px;color:var(--gold)}.measured h3{font-size:15px;font-weight:500;line-height:1.4;margin:12px 0}.measured p{font-size:12px;line-height:1.7;color:#b1c0bc}.measured .measured-number{font:30px 'Libre Caslon Display',Georgia,serif;color:var(--gold);margin:16px 0}.measured-number small{display:block;font:11px 'DM Sans',sans-serif;color:var(--muted);margin-top:6px}.measured .measured-limit{font-size:11px;color:var(--muted)}.measured a{font-size:11px;color:var(--gold)}.measured-date{display:block;color:var(--muted);font-size:9px;line-height:1.6;margin-top:10px}.capability-signal{grid-column:1/-1}@media(max-width:760px){.measured{margin:24px 4px 12px}.measured-cards{grid-template-columns:minmax(0,1fr)}.measured h2{font-size:27px}.measured article{padding:16px}}
.intro-right .hero-stat{font-size:13px;color:var(--muted);margin:16px 0 6px}.intro-right .hero-stat strong{font:400 44px/1 'Libre Caslon Display',Georgia,serif;color:var(--gold);vertical-align:-6px;margin-right:4px}.intro-right .hero-stat b{color:var(--text);font-weight:500;font-size:17px}.intro-right .hero-sub{margin:0 0 18px;font-size:12px}.intro-right .hero-sub b{color:var(--text);font-weight:500}
/* Graph: windows, lineage, motion */
#graph .window.before{fill:#ffffff06}#graph .window.recent{fill:#d5b67c10}#graph .window-label{font-size:9px;letter-spacing:1.5px;fill:var(--gold)}
#graph .arc{fill:none;stroke:var(--gold);stroke-width:1.3;stroke-linecap:round;opacity:.9;pointer-events:none}#graph .arc.deep{opacity:.45}#graph .arc.down{stroke-dasharray:3 4;opacity:.55}
.plot-point circle{transition:opacity .25s}.plot-point.dim .pt{opacity:.16}.plot-point.chosen .pt{stroke:var(--gold);stroke-width:3}.plot-point.future{opacity:0;pointer-events:none}
.plot-point.pop{animation:pop .4s ease-out both}@keyframes pop{from{opacity:0;transform:scale(.4)}to{opacity:1;transform:none}}.plot-point{transform-box:fill-box;transform-origin:center}
.graph-caption a{color:var(--gold)}
/* Tree label overlay */
#graph .arc.long{stroke-width:.8;opacity:.35}
#tree-tip{pointer-events:none}#tree-tip rect{fill:#091518e6;stroke:#3b5155}#tree-tip text{font:12px 'DM Sans',sans-serif;fill:var(--text)}
/* Lineage chips */
.chips{display:flex;flex-wrap:wrap;gap:6px}.chip{font-size:11px;padding:6px 9px;border-color:#33494d;text-align:left;line-height:1.35}.chip small{color:var(--muted);margin-left:6px}.chip:hover{border-color:var(--gold)}aside .quiet{color:var(--muted);font-style:italic}
/* How to read this */
.howto{margin:18px 0 0;border:1px solid var(--line);border-radius:9px;background:#0b191c}.howto summary{cursor:pointer;padding:16px 22px;font-size:12px;color:var(--muted);list-style-position:inside}.howto summary span{font-size:9px;letter-spacing:2px;color:var(--gold);margin-right:12px}.howto[open] summary{border-bottom:1px solid var(--line)}.howto-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 60px;padding:12px 22px 6px;color:#8fa29e;font-size:11.5px;line-height:1.8}.howto-grid span{display:block;font-size:8px;letter-spacing:1.7px;color:var(--gold);margin-bottom:6px}
@media(max-width:760px){h1{font-size:46px}.intro-right .hero-stat{display:block;margin:14px 0 4px}.intro-right .hero-stat strong{font-size:36px}.intro-right .hero-sub{display:block;margin:0 0 6px}.howto-grid{grid-template-columns:1fr}.howto summary{padding:14px}.lede br{display:none}}
@media(max-width:760px){#graph{min-height:0}#graph text{font-size:24px}#graph .window-label{font-size:18px}.plot-point .pt{r:9}.plot-point circle:first-of-type{r:20}#graph .arc{stroke-width:2.5}.graph-caption{padding:0 4px}}

/* Verification and deep-time context. */
.verification-controls { padding: 0 24px 12px; }
.verification-controls .filters { padding: 0; }
.verification-legend { color: #a1b4b3; font-size: 12px; margin: 0 0 10px; }
[data-verification][aria-pressed="true"] { color: #d5b67c; border-color: #d5b67c; }
.verification-badge { text-transform: capitalize; margin: 5px 4px 5px 0; }
.evidence.claimed { fill: #091518 !important; stroke-width: 1.5; animation: claim-pulse 4s ease-in-out infinite; }
@keyframes claim-pulse { 50% { stroke-opacity: .4; } }
.axis-control, #time-dive { display: block; margin: 14px 24px; color: #a1b4b3; font-size: 12px; }
.axis-control select { max-width: 100%; background: #102226; color: #d4dfda; border: 1px solid #365052; padding: 8px; border-radius: 5px; }
#time-dive[hidden] { display: none; }
#time-dive input { width: 100%; display: block; margin: 12px 0; }
#time-dive small { display: block; }
.era-band { fill: #a1b4b3; opacity: .07; }
#graph .era-label { fill: #a1b4b3; opacity: .65; font-size: 10px; }
#gaps { margin: 18px 24px; padding: 18px; border: 1px solid #2c4245; border-radius: 8px; font-size: 12px; color: #a1b4b3; }
#gaps ol { padding-left: 20px; columns: 2; column-gap: 28px; }
#gaps li { margin-bottom: 7px; break-inside: avoid; }
@media(max-width:600px) { #gaps ol { columns: 1; } .axis-control, #time-dive, #gaps { margin-left: 12px; margin-right: 12px; } }
@media(prefers-reduced-motion:reduce) { .evidence.claimed { animation: none; } }

@media(max-width:760px) { .plot-point .verification-ring { r: 12; } .intro-right #unverified { display:block; margin:12px 0; } }
#graph:focus-visible, select:focus-visible { outline:2px solid var(--gold); outline-offset:3px; }

footer { flex-wrap: wrap; align-items: center; gap: 16px; }
footer nav { display: flex; flex-wrap: wrap; gap: 12px 22px; }
footer nav a:hover { color: var(--gold); }