/* Interactive components retained from the AIDIN page; neutral NeRFies palette. */
:root{--bg:#ffffff;--ink:#363636;--muted:#666666;--line:#dedede;--green:#3273dc;--purple:#3273dc}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--ink);font-family:'Noto Sans',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,select,input{font:inherit}button,select{cursor:pointer}button:disabled{cursor:wait;opacity:.5}button,a,input,select{accent-color:var(--green)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #3273dc;outline-offset:4px}button{border:1px solid var(--line);background:white;color:var(--ink);border-radius:5px;padding:9px 14px;font-size:14px}button:hover{background:#f4f4f4}p{line-height:1.9;word-break:keep-all}h1,h2,h3,p{margin-top:0}header,main,footer{max-width:1320px;margin:auto}header{padding:27px 44px;display:flex;justify-content:space-between;border-bottom:1px solid var(--line);align-items:center}.brand{font-weight:700;letter-spacing:1px;font-size:19px}.brand span{font-size:12px;letter-spacing:1.6px;color:var(--muted);margin-left:10px}nav{display:flex;gap:28px;font-size:14px}nav a:hover{color:var(--green)}.intro{padding:58px 44px 20px}.eyebrow{font-size:12px;letter-spacing:1.8px;color:var(--green);font-weight:600}h1{font-size:54px;letter-spacing:-2.7px;line-height:1.35;font-weight:600;margin:21px 0}h1 span{color:#666666}.intro>p{font-size:15px;color:var(--muted)}.intro-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px 26px;border-bottom:1px solid var(--line);border-top:1px solid var(--line);padding:19px 0;font-size:12px;color:var(--muted);margin-top:28px}.intro-meta a{margin-left:auto;color:var(--ink)}.section{padding:56px 44px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:26px}.section-head h2{font-size:34px;letter-spacing:-1.5px;line-height:1.45;margin:14px 0 0}.section-head>p{font-size:14px;color:var(--muted);margin:0}.experiment{border:1px solid var(--line);background:#fafafa;border-radius:7px;overflow:hidden}.experiment-toolbar{padding:16px 20px;display:flex;align-items:center;gap:20px;border-bottom:1px solid var(--line);flex-wrap:wrap;background:#fafafa}.tabs{display:flex;gap:4px}.tabs button{background:transparent;border-color:transparent;font-size:13px}.tabs button[aria-pressed=true]{background:var(--ink);color:white}.quiet{background:transparent;font-size:12px;margin-left:auto;padding:7px 10px;color:var(--muted)}.checkbox{display:flex;align-items:center;gap:7px;font-size:13px;margin-left:auto}.checkbox input{width:14px;height:14px}.checkbox+.quiet{margin-left:0}.experiment-description{font-size:13px;color:#666666;margin:0;padding:12px 20px;background:#fafafa}.paired-views{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}.view-card{min-width:0;background:#f6f6f6}.view-title{display:flex;align-items:center;gap:9px;padding:15px 18px;background:#f0f0f0}.view-title h3{font-size:14px;margin:0;font-weight:500}.view-title>span:last-child{font-size:11px;margin-left:auto;color:#777777}.badge{font-size:11px;padding:3px 8px;letter-spacing:1px;border-radius:3px}.off{color:#87744f;background:#e4dfd1}.on{color:#426028;background:#d5e5bb}.viewport{height:430px;position:relative;overflow:hidden;touch-action:none}.viewport canvas{width:100%;height:100%;display:block}.loading{position:absolute;left:18px;top:18px;font-size:13px;color:#777777;z-index:1;pointer-events:none}.readout{padding:12px 18px;font-size:13px;font-variant-numeric:tabular-nums;display:flex;justify-content:space-between;gap:12px;background:#f0f0f0;min-height:41px;color:#666666}.readout b{font-weight:500;color:var(--ink)}.readout .fall{color:#a95e36}.readout .hold{color:#50722f}.playback{padding:15px 20px;display:flex;align-items:center;gap:16px;border-top:1px solid var(--line);background:#fafafa}.playback button{min-width:81px;font-size:13px}.playback input{flex:1;min-width:80px}.playback output{font-size:13px;white-space:nowrap;font-variant-numeric:tabular-nums;color:#666666}.orbit-hint{font-size:11px;color:#777777;max-width:200px;line-height:1.7}.experiment-footer{display:flex;justify-content:space-between;gap:15px;padding:13px 20px;font-size:11px;color:#777777;background:#fafafa;border-top:1px solid var(--line)}details{background:#fafafa;border-top:1px solid var(--line);padding:15px 20px;font-size:13px;color:#666666}summary{cursor:pointer;font-size:13px}details p{max-width:1000px;margin:14px 0 8px}details a{display:inline-block;margin-top:8px;color:var(--green);text-decoration:underline}.protocol{font-size:12px;color:#777777}.outcome{background:#f1f3f5;padding:15px 20px;font-size:14px;line-height:1.8;color:#555555}.outcome b{color:#363636}.outcome .muted{font-size:12px;color:#777777;margin-left:8px}table{width:100%;border-collapse:collapse;margin:15px 0;text-align:left}th,td{padding:9px;border-bottom:1px solid var(--line);font-size:13px}th{font-weight:500}.system{margin:20px 24px;background:#f5f5f5;color:#363636;border-radius:7px;padding:44px 30px}.system .eyebrow{color:#666666}.system .section-head>p{color:#666666}.lane-label{font-size:12px;color:#666666;letter-spacing:1.5px;margin:22px 0 14px}.flow{display:grid;grid-template-columns:1fr 28px 1fr 28px 1fr;gap:10px;align-items:center}.flow article{padding:22px;background:#ffffff;border:1px solid #dedede;border-radius:4px}.flow small{font-size:11px;letter-spacing:1px;color:#777777}.flow h3{font-size:21px;font-weight:500;margin:12px 0 7px}.flow p{font-size:13px;color:#666666;margin:0}.flow>span{text-align:center;color:#777777}.transfer{font-size:12px;letter-spacing:.4px;text-align:center;color:#777777;padding:22px 10px 0}.system-note{font-size:12px;color:#777777;margin:25px 0 0}.result-toolbar label{display:flex;align-items:center;gap:10px;font-size:12px;color:#666666}.result-toolbar select{border:1px solid #dbdbdb;background:white;padding:8px 12px;border-radius:4px;font-size:13px;color:var(--ink)}.result-toolbar>a{margin-left:auto;font-size:13px}#rollout-frame{display:block;width:100%;height:640px;border:none;background:#111827}.section-note{font-size:12px;color:#777777;margin:14px 0 0}footer{border-top:1px solid var(--line);padding:28px 44px;display:flex;align-items:center;gap:25px;font-size:12px;color:#777777}footer strong{font-size:13px;letter-spacing:1px;color:#666666}footer a{margin-left:auto}.error{color:#a5452a!important}.viewport .error{background:#fff4ea;padding:10px;max-width:90%;word-break:break-word}
@media(max-width:900px){header{padding:22px 24px}.intro{padding:45px 24px 10px}.section{padding:45px 24px}h1{font-size:46px}.section-head h2{font-size:30px}.section-head>p{font-size:13px}.experiment-toolbar{gap:12px;padding:13px}.checkbox{margin-left:0}.quiet{margin-left:auto}.viewport{height:350px}.orbit-hint{display:none}.readout{font-size:12px;flex-wrap:wrap}.system{padding:32px 24px}.flow article{padding:16px}.flow h3{font-size:18px}.flow{gap:5px;grid-template-columns:1fr 20px 1fr 20px 1fr}.intro-meta{font-size:11px}.intro-meta a{margin-left:0}}
@media(max-width:600px){header{padding:20px}.brand{font-size:15px}.brand span{display:none}nav{gap:15px;font-size:12px}.intro{padding:35px 20px 0}h1{font-size:36px;letter-spacing:-1.8px}.intro>p{font-size:14px}.intro-meta{gap:12px;font-size:11px;margin-top:20px}.intro-meta a{display:block;width:100%}.eyebrow{font-size:11px;letter-spacing:1.1px}.section{padding:40px 16px}.section-head{display:block;padding:0 4px}.section-head h2{font-size:27px;letter-spacing:-1px}.section-head>p{margin-top:13px;font-size:13px}.section-head>p br{display:none}.experiment-toolbar{gap:8px;padding:12px}.tabs button{padding:8px;font-size:12px}.checkbox{font-size:12px}.quiet{font-size:11px}.experiment-description{font-size:12px;padding:10px 12px}.paired-views{grid-template-columns:1fr}.viewport{height:350px}.view-title{padding:12px}.readout{padding:11px 12px;font-size:12px;flex-wrap:nowrap}.playback{gap:8px;padding:12px;flex-wrap:wrap}.playback button{min-width:66px;padding:8px}.playback output{font-size:11px}.playback input{min-width:100px}.experiment-footer{font-size:8px;padding:12px;flex-wrap:wrap}.protocol{font-size:11px}details{padding:12px;font-size:12px}summary{font-size:12px}.outcome{font-size:13px;padding:12px}.outcome .muted{margin:4px 0 0;display:block}.system{margin:10px;padding:28px 18px}.flow{grid-template-columns:1fr}.flow>span{transform:rotate(90deg)}.flow article{padding:18px}.flow p br{display:none}.transfer{font-size:11px}.result-toolbar{gap:10px}.result-toolbar label{font-size:11px;gap:6px}.result-toolbar select{font-size:12px;padding:7px 6px}#rollout-frame{height:560px}footer{padding:23px 20px;flex-wrap:wrap;font-size:11px;gap:12px}footer span{display:none}footer strong{font-size:12px}.section-note{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.trajectory-info{display:flex;align-items:center;gap:30px;padding:18px 24px;background:#fafafa;border-top:1px solid var(--line)}.trajectory-info canvas{width:48%;max-width:500px;height:auto;min-width:0}.trajectory-info b{font-size:14px;font-weight:500}.trajectory-info p{font-size:12px;color:#666666;margin:9px 0}.trajectory-info small{font-size:11px;color:#777777}.rollout-layout{display:grid;grid-template-columns:minmax(0,1fr) 255px;background:#111827}.rollout-sidebar{padding:18px 16px;border-left:1px solid #354052;color:#bdc9d9;max-height:640px;overflow:auto;min-width:0}.rollout-sidebar h3{font-size:13px;letter-spacing:1px;color:#dfebf6;margin:0 0 8px}.rollout-sidebar p{font-size:12px;color:#8598af}.rollout-sidebar pre{margin:0;font:10px/1.7 ui-monospace,SFMono-Regular,monospace;white-space:pre-wrap;overflow-wrap:anywhere}.rollout-sidebar pre .positive{color:#66e3a4}.rollout-sidebar pre .negative{color:#ff8b8b}
@media(max-width:800px){.rollout-layout{grid-template-columns:1fr}.rollout-sidebar{max-height:240px;border-left:0;border-top:1px solid #354052}.trajectory-info{gap:16px;padding:15px}.trajectory-info canvas{width:53%}}
@media(max-width:600px){.trajectory-info{display:block}.trajectory-info canvas{width:100%}.trajectory-info>div{padding:10px}.trajectory-info p{font-size:12px}.protocol{width:100%}.rollout-sidebar{max-height:230px}}

.joint-overlay-panel{display:none}.overlay-mode .joint-overlay-panel{display:block}.overlay-mode>.paired-views .viewport{display:none}.overlay-mode .checkbox{display:none}.overlay-legend{display:flex;gap:22px;padding:14px 20px;background:#f0f0f0;font-size:13px;flex-wrap:wrap}.overlay-legend>span:last-child{margin-left:auto;color:#777777;font-size:12px}.off-key{color:#c34242}.on-key{color:#28844b}#joint-overlay{height:500px}#joint-experiment .badge.off{background:#f0d8d5;color:#b74747}.overlay-mode .view-title{padding-bottom:6px}.overlay-mode .readout{padding-top:7px}
@media(max-width:600px){#joint-overlay{height:400px}.overlay-mode>.paired-views{grid-template-columns:1fr}.overlay-legend{gap:12px;padding:12px;font-size:12px}.overlay-legend>span:last-child{margin-left:0}}

#mechanism-view{height:520px}.mechanism-key,.mechanism-labels{display:flex;justify-content:space-around;gap:18px;padding:14px 20px;font-size:13px;color:#555555;background:#f0f0f0;flex-wrap:wrap}.mechanism-labels{font-size:12px;background:#fafafa}.mechanism-details{display:grid;grid-template-columns:1fr 1fr;gap:32px;padding:22px;background:#fafafa}.mechanism-strokes{display:grid;grid-template-columns:1fr 1fr;gap:25px}.stroke b{display:flex;justify-content:space-between;font-size:14px;font-weight:500;color:#367aa1}.stroke:nth-child(2) b{color:#8b67ac}.stroke small{font-size:12px;color:#777777;display:block;margin-top:7px}.stroke-track{height:8px;background:#e1e1e1;position:relative;margin:16px 0 12px;border-left:3px solid #b69679;border-right:3px solid #b69679;border-radius:2px}.stroke-track i{position:absolute;top:-4px;width:8px;height:16px;transform:translateX(-50%);background:#367aa1;border-radius:2px}.stroke:nth-child(2) i{background:#8b67ac}.mechanism-reason b{font-size:14px;color:#3d824a}.mechanism-reason b.limited{color:#be5344}.mechanism-reason p{font-size:13px;margin:8px 0}.mechanism-reason small{font-size:12px;color:#777777}#mechanism-finger{border:1px solid var(--line);border-radius:4px;background:white;padding:8px 12px;font-size:14px;color:var(--ink)}
@media(max-width:600px){#mechanism-view{height:380px}.mechanism-key,.mechanism-labels{font-size:11px;gap:8px;padding:10px}.mechanism-details{grid-template-columns:1fr;padding:16px;gap:20px}.mechanism-key{justify-content:space-between}nav{gap:9px;font-size:11px}#mechanism-angles{font-size:11px;line-height:1.8}}

#language-toggle{display:flex;gap:7px;flex-shrink:0;align-items:center;border:1px solid var(--line);border-radius:20px;padding:8px 12px;background:white;color:#777777;font-size:13px;cursor:pointer}#language-toggle .active{font-weight:700;color:var(--ink)}header{gap:24px}header nav{margin-left:auto}.overlay-legend button{border:1px solid currentColor;border-radius:6px;background:#ffffff;padding:8px 12px;font-size:13px}.overlay-legend button[aria-pressed=false]{opacity:.45;background:transparent;text-decoration:line-through}.range-note{margin:0;padding:13px 24px;background:#f2f2f2;color:#666666;font-size:13px;border-top:1px solid var(--line)}.object-picker{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding:20px 24px 0}.object-card{display:flex;align-items:center;gap:12px;min-width:0;text-align:left;border:1px solid var(--line);background:#ffffff;border-radius:9px;padding:8px;color:#666666;transition:border-color .15s,background .15s}.object-card img{display:block;width:46%;height:auto;aspect-ratio:4/3;object-fit:contain;border-radius:5px}.object-card>span{font-size:14px;line-height:1.4}.object-card[aria-pressed=true]{border:2px solid #3273dc;padding:7px;background:#f0f6ff;color:#245faf}.object-card:hover{border-color:#3273dc}html[lang=en] h1{letter-spacing:-2.5px}html[lang=en] .section-head h2{font-size:clamp(27px,2.7vw,39px);letter-spacing:-1.3px}html[lang=en] .section-head>p{max-width:420px}html[lang=en] .view-title>span:last-child{font-size:11px}.experiment-toolbar [hidden]{display:none!important}
@media(max-width:900px){header{gap:14px}.object-card{display:block;text-align:center}.object-card img{width:100%;max-width:160px;margin:auto}.object-card>span{display:block;margin:4px 0 6px;font-size:13px}}
@media(max-width:600px){header{flex-wrap:wrap;gap:14px;padding:16px 20px}header nav{order:3;width:100%;justify-content:space-between;margin:0;font-size:13px}#language-toggle{margin-left:auto}.object-picker{gap:8px;padding:12px 12px 0;grid-template-columns:repeat(2,minmax(0,1fr))}.object-card{display:flex;text-align:left}.object-card img{width:44%}.object-card>span{font-size:12px}.range-note{font-size:12px;padding:12px}.overlay-legend button{font-size:12px;padding:7px 9px}html[lang=en] h1{font-size:36px;letter-spacing:-1.5px}html[lang=en] .section-head h2{font-size:27px}}
h1>span:first-child{color:var(--ink)}
@media(max-width:600px){.section-head>p>span{display:block}}