@charset "UTF-8";
.stage-bottom{flex-wrap:wrap;gap:5px}.flow-toggles{display:flex;gap:10px;pointer-events:auto}.camera-tools{flex-wrap:wrap;justify-content:flex-end}
.related-labs{display:flex;gap:6px;padding-top:14px;flex-wrap:wrap}.related-labs a{font-size:11px;padding:8px 13px;border:1px solid #2b4456;border-radius:30px;color:#b6cbd7;text-decoration:none}.related-labs a[aria-current=page]{color:#7ee8df;background:#17373c;border-color:#447f80}
:root{color-scheme:dark;--bg:#080f1c;--panel:#101e30;--line:#23384e;--ink:#edf4fb;--muted:#91a9bf;--cyan:#68e7e0;--amber:#ffc38a;font-family:Inter,"Segoe UI",Arial,sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(ellipse at 70% 0,#142d4b 0,transparent 55%),var(--bg);color:var(--ink);line-height:1.5}button,input,select{font:inherit}button,select{border:1px solid #30475e;background:#15273a;color:var(--ink);border-radius:6px}button{cursor:pointer;padding:7px 11px;font-size:12px;transition:background .15s,border-color .15s}button:hover{background:#213d55;border-color:#76aaa9}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,select:focus-visible,a:focus-visible,input:focus-visible,canvas:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}a{color:var(--cyan);text-underline-offset:4px}select{width:100%;padding:10px;font-size:12px}input[type=range]{accent-color:var(--cyan);width:100%;margin:9px 0 0;cursor:pointer}input[type=checkbox]{accent-color:var(--cyan)}input:disabled{opacity:.35}.skip{position:absolute;top:-100px}.skip:focus{top:10px;left:20px;z-index:20;background:#122e3d;padding:12px}.masthead{height:72px;padding:14px 34px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #23334a;background:#0a1421cc}.logos{display:flex;align-items:center;gap:19px;height:42px}.logos img:first-child{width:161px;height:42px;object-fit:contain}.logos img:last-child{width:143px;height:39px;object-fit:contain}.logos>span{height:30px;border-left:1px solid #546073}.mast-right{display:flex;align-items:center;gap:25px;font-size:11px;letter-spacing:.08em}.mast-right>span{color:var(--muted)}.mast-right a{text-decoration:none;color:#dce5ef}main{max-width:1720px;margin:auto;padding:0 30px}.intro{display:flex;justify-content:space-between;align-items:center;padding:25px 0 23px}.eyebrow{font-size:10px;letter-spacing:.18em;color:var(--cyan);margin:0 0 5px}h1{font-weight:500;font-size:34px;line-height:1.2;letter-spacing:-.04em;margin:0}.version{display:inline-block;vertical-align:middle;font-size:9px;letter-spacing:.09em;border:1px solid #496277;border-radius:3px;margin:0 0 0 16px;padding:4px 7px;color:var(--muted)}.intro>p{margin:0;font-size:14px;line-height:1.6;color:#deebf4}.intro>p>span{color:var(--muted)}.experiment{display:grid;grid-template-columns:255px minmax(0,1fr);border:1px solid #2d4359;border-radius:12px;overflow:hidden;background:#0c1727;box-shadow:0 25px 70px #0004}.controls{padding:19px 19px 15px;background:linear-gradient(145deg,#14283b,#101c2d);border-right:1px solid var(--line)}.control-title{display:flex;gap:9px;align-items:center;margin:0 0 18px}.step-number{font-size:10px;font-variant-numeric:tabular-nums;color:var(--cyan);border-top:1px solid #548d92;padding-top:4px;letter-spacing:.08em}.control-title h2{font-size:13px;font-weight:550;margin:0}.field-label{display:block;font-size:11px;color:var(--muted);margin-bottom:7px}.mini-section{margin:12px 0 14px;border:1px solid #283e50;background:#0b1725;border-radius:5px;padding:3px 7px 7px}.mini-section svg{width:100%;height:65px;display:block}.mini-section>div{display:flex;justify-content:space-between;font-size:9px;color:var(--muted)}#modified{color:var(--cyan)}.toggle{font-size:12px;display:flex;align-items:center;gap:8px;cursor:pointer}.toggle input{margin:0}.help{font-size:10px;line-height:1.6;color:var(--muted);margin:5px 0 8px}.pair{display:grid;grid-template-columns:1fr 1fr;gap:7px}.pair button{font-size:10px}.range-block{border-top:1px solid var(--line);margin:16px 0 0;padding:13px 0 0}.range-block>div:first-child{display:flex;justify-content:space-between;gap:10px;align-items:center}.range-block label{font-size:11px}.range-block output{color:var(--cyan);font-size:16px;font-variant-numeric:tabular-nums}.range-block i{font-family:Georgia,serif;font-size:13px}.range-ends{display:flex;justify-content:space-between;font-size:9px;color:var(--muted);margin-bottom:9px}.keyboard-tools{margin-top:14px;font-size:11px;color:var(--muted)}summary{cursor:pointer}.keyboard-tools[open] summary{margin-bottom:12px}.point-nudge{display:flex;gap:6px}.observatory{min-width:0;display:flex;flex-direction:column}.view-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:9px 14px;border-bottom:1px solid var(--line)}.view-tabs{display:flex;gap:4px}.view-tabs button{background:transparent;border-color:transparent;color:var(--muted)}.view-tabs button[aria-pressed=true]{background:#204042;color:#93fff3;border-color:#3a6e71}.model-tag{font-size:9px;color:var(--muted);letter-spacing:.12em}.stage{height:clamp(430px,58vh,720px);min-height:430px;flex:1;position:relative;overflow:hidden;background:#081423;isolation:isolate}.stage canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:crosshair}.stage-top{position:absolute;top:18px;left:20px;right:17px;display:flex;align-items:flex-start;justify-content:space-between;pointer-events:none}.flow-direction{display:flex;flex-direction:column;gap:2px;text-shadow:0 1px 4px #000}.flow-direction span{font-size:8px;letter-spacing:.14em;color:var(--muted)}.flow-direction b{font-size:17px;font-weight:400;color:#c9e6ef}.camera-tools{display:flex;gap:5px;pointer-events:auto}.camera-tools button{background:#0b192cdb;font-size:10px;padding:5px 9px}.stage-note{position:absolute;left:20px;bottom:48px;font-size:10px;color:#b3cad9;pointer-events:none;display:flex;align-items:center;gap:8px;max-width:65%;padding:7px 10px;background:#0c1c2ace;border-radius:5px}.cyan-dot{height:6px;width:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px #68e7e080;flex-shrink:0}.stage-bottom{position:absolute;bottom:14px;left:20px;right:18px;display:flex;justify-content:space-between;align-items:center;font-size:9px;color:var(--muted);pointer-events:none}.stage-bottom label{pointer-events:auto;display:flex;align-items:center;gap:5px}.probe{position:absolute;pointer-events:none;border:1px solid #416575;background:#071727ed;padding:10px 13px;border-radius:6px;box-shadow:0 12px 30px #0005;min-width:145px;z-index:4}.probe>span{font-size:8px;color:var(--muted);letter-spacing:.1em}.probe strong{display:block;font-size:14px;font-weight:500;color:#fff;margin:4px 0}.probe small{font-size:9px;color:var(--muted)}.legend{position:absolute;right:20px;bottom:56px;width:155px;background:#081726d9;padding:9px;border-radius:5px;pointer-events:none}.legend-title{font-size:9px;margin-bottom:5px;color:#d4e6f0}.colour-bar{height:5px;border-radius:3px}.legend-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:8px;margin-top:4px}.transport{padding:12px 16px;display:flex;justify-content:space-between;gap:10px;align-items:center;border-top:1px solid var(--line)}.play-controls{display:flex;gap:6px}.primary{background:#7ee8df;color:#08262e;border-color:#7ee8df;font-weight:650;min-width:66px}.primary:hover{background:#a0fff3;color:#08262e}#status{display:flex;align-items:center;gap:8px;font-size:10px;color:var(--muted)}.status-dot{height:6px;width:6px;background:var(--cyan);border-radius:50%}#status[data-state=error] .status-dot{background:#ff9987}#status[data-state=editing] .status-dot{background:var(--amber)}.readouts{display:grid;grid-template-columns:repeat(4,1fr);padding:12px 16px 15px;background:#101f30;border-top:1px solid var(--line);gap:12px}.readouts>div+div{border-left:1px solid #2b4052;padding-left:16px}.readouts span{display:block;color:var(--muted);font-size:9px}.readouts strong{display:block;font-size:20px;font-weight:450;margin-top:4px;font-variant-numeric:tabular-nums}.readouts small{font-size:9px;font-weight:400;color:var(--muted)}.message{margin:10px 0 0;font-size:11px;color:var(--muted);min-height:19px}.message.error{color:#ffb594}.understand{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:34px;padding:34px 0}.understand article{position:relative;padding:0 15px 0 0}.understand h2{font-size:19px;font-weight:500;letter-spacing:-.02em;margin:10px 0 9px}.understand p{color:#9eb4c9;font-size:12px;line-height:1.8;margin:7px 0}.understand b{font-weight:500;color:#d2e3ee}.understand .scope-card{padding:19px 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p{font-size:10px;color:#7d95ad;line-height:1.8;margin:12px 0 0}footer>div:last-child{display:flex;flex-direction:column;align-items:flex-end;gap:14px}footer>div:last-child span{font-size:9px;color:#6e8c9e;letter-spacing:.1em}footer a{font-size:12px}
@media(min-width:1550px){.controls{padding:22px 23px}.experiment{grid-template-columns:275px minmax(0,1fr)}.range-block{margin-top:20px}.stage{min-height:560px}}
@media(max-width:1000px){main{padding:0 18px}.masthead{padding:14px 20px}.experiment{grid-template-columns:225px minmax(0,1fr)}.controls{padding:16px 13px}.model-tag{display:none}.readouts{grid-template-columns:1fr 1fr;gap:12px}.readouts>div:nth-child(3){border-left:0;padding-left:0}.readouts strong{font-size:17px}.transport{flex-wrap:wrap}.understand{gap:18px}.intro>p{font-size:12px}.stage-note{max-width:80%}.legend{bottom:85px}}
@media(max-width:700px){.masthead{height:61px;padding:12px 15px}.logos{gap:10px}.logos img:first-child{width:119px}.logos img:last-child{width:104px}.mast-right>span{display:none}.mast-right a{font-size:9px}.intro{padding:22px 0 17px}.intro>p{display:none}h1{font-size:29px}.version{font-size:8px;margin-left:10px}.experiment{display:flex;flex-direction:column}.observatory{order:0}.controls{order:1;display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;border-right:0;border-top:1px solid var(--line);padding:20px}.control-title{grid-column:1/-1;margin-bottom:7px}.controls>.field-label{grid-column:1;margin:0}.controls>select{grid-column:1/-1}.mini-section{grid-column:1/-1;margin:0}.toggle{grid-column:1/-1;margin-top:8px}.controls>.help{grid-column:1/-1}.pair{grid-column:1/-1}.range-block{margin:4px 0 6px}.range-block:nth-of-type(6){grid-column:1/-1}.keyboard-tools{grid-column:1/-1}.stage{height:440px;min-height:440px;flex:none}.view-bar{padding:7px}.view-tabs{width:100%;justify-content:space-between}.view-tabs button{padding:8px 11px;font-size:11px}.camera-tools button{font-size:9px;padding:5px 7px}.stage-top{left:12px;right:12px}.flow-direction span{font-size:7px}.flow-direction b{font-size:13px}.stage-note{left:10px;font-size:9px;bottom:47px;max-width:90%}.stage-bottom{left:12px;right:12px;font-size:8px}.legend{right:12px;bottom:88px;width:133px}.readouts{padding:12px}.understand{grid-template-columns:1fr;padding-top:25px;gap:20px}.understand article{padding:0}.understand p{font-size:13px}.notes-grid{grid-template-columns:1fr;gap:0}footer{padding:25px 18px;flex-direction:column}footer>div:last-child{align-items:flex-start}#status{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}button{transition:none}}
/* Keep the observation and transport visible in a typical desktop side panel. */
@media(min-width:701px) and (max-height:1000px){.masthead{height:64px}.intro{padding:20px 0 18px}.control-title{margin-bottom:12px}.mini-section{margin:8px 0 10px}.mini-section svg{height:45px}.range-block{margin-top:12px;padding-top:10px}.help{line-height:1.5;margin-top:4px;margin-bottom:6px}.controls{padding-top:16px}.keyboard-tools{margin-top:10px}}