:root{color-scheme:dark;--bg:#0b1016;--surface:#121b25;--line:#283541;--text:#eaf1f5;--muted:#9aafbc;--accent:#a1e6c4;--orange:#f7b482;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}[hidden]{display:none!important}button,input{font:inherit}button{min-height:47px;border-radius:10px;background:var(--accent);color:#0c241a;border:1px solid var(--accent);font-weight:600;padding:11px 17px;cursor:pointer;touch-action:manipulation}button:disabled{opacity:.4;cursor:default}button.secondary{background:transparent;border-color:var(--line);color:var(--muted);font-weight:400}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}h1,h2,p{margin:0}h1{font-size:clamp(42px,6.9vw,78px);line-height:1.12;letter-spacing:-.055em;font-weight:700}h1 em{font-style:normal;color:var(--accent)}h2{font-size:24px;letter-spacing:-.03em}p{font-size:14px;line-height:1.9;color:var(--muted)}.shell{max-width:1040px;margin:auto;padding:0 30px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:27px 0;border-bottom:1px solid var(--line)}.logo{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--text);font-size:21px;font-weight:650}.logo>span{font-size:38px;color:var(--accent)}.logo small{display:block;font-size:9px;font-weight:400;letter-spacing:.16em;color:var(--muted);margin-top:5px}.live{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted)}.live i{width:6px;height:6px;border-radius:50%;background:#7d8790}.live i.online{background:var(--accent)}.hero{padding:46px 0 36px;position:relative}.eyebrow{font-size:10px;letter-spacing:.18em;color:var(--accent);margin-bottom:18px}.hero>p{margin:23px 0}.reference{position:absolute;right:0;top:92px;display:flex;gap:17px;align-items:center;padding:22px;border-left:1px solid var(--line);max-width:40%}.reference>b{font-size:76px;font-weight:450;letter-spacing:-.08em;color:var(--accent)}.reference strong{display:block;font-size:13px;line-height:1.8}.reference span{display:block;color:var(--muted);font-size:11px;line-height:1.8;margin-top:7px}.reference-warning{font-size:12px;line-height:1.9;color:var(--orange);padding:12px 15px;border:1px dashed #725c48;border-radius:8px;margin-top:24px}.panel{border:1px solid var(--line);border-radius:15px;background:var(--surface);padding:25px}.identity{margin-bottom:22px}.identity h2{font-size:17px}.identity p{font-size:12px;margin-top:8px}.fields{display:grid;grid-template-columns:1.2fr 1fr;gap:16px;margin-top:20px}label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:8px;min-width:0}input{width:100%;min-height:46px;background:#0c151e;color:var(--text);border:1px solid #354653;border-radius:8px;padding:11px 12px;font-size:16px;min-width:0}input::placeholder{color:#718693;font-size:12px}.small{font-size:12px;line-height:1.85;color:var(--muted)}.challenges{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:25px}.challenge{border:1px solid var(--line);background:linear-gradient(155deg,#15252a,#111921 66%);border-radius:18px;padding:26px;position:relative;overflow:hidden}.challenge.performance{background:linear-gradient(155deg,#2a231e,#111921 66%)}.card-top{display:flex;justify-content:space-between;gap:14px;align-items:center;font-size:10px;color:var(--muted);margin-bottom:25px}.badge{color:var(--accent);letter-spacing:.1em}.performance .badge{color:var(--orange)}.challenge h2{font-size:31px}.challenge p{margin-top:15px;max-width:330px;font-size:13px;min-height:75px}.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-top:24px;border-top:1px solid var(--line)}.card-bottom>span{font-size:10px;color:var(--muted)}.performance button{background:var(--orange);border-color:var(--orange);color:#2e1b0e}.orbital{height:170px;position:relative;margin:5px 0 20px;display:flex;justify-content:center;align-items:center}.single-art>span{width:73px;height:73px;display:block;background:radial-gradient(circle at 30% 25%,#cfffe8,#6baf94 40%,#152e29 78%);border-radius:50%}.single-art i{position:absolute;width:210px;height:65px;border:1px solid #4c8675;transform:rotate(-25deg);border-radius:50%}.single-art i:last-child{width:165px;height:118px;border-color:#335c50;transform:rotate(28deg)}.multi-art{gap:12px}.multi-art span{display:block;width:46px;height:74px;border:1px solid #937358;background:linear-gradient(#926b43,#2b251f);transform:skewY(-15deg);border-radius:6px;box-shadow:8px 12px 0 #141a21}.multi-art span:nth-child(2){height:115px}.multi-art span:nth-child(3){height:90px}.multi-art span:nth-child(4){height:55px}.test-surface{margin:25px 0}.test-heading{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:23px}.test-heading .eyebrow{margin-bottom:8px}.test-heading h2{font-size:19px}.scene{aspect-ratio:1.6;max-width:640px;margin:auto auto 24px;position:relative;overflow:hidden;border-radius:12px;background:#0a1520}.scene canvas{width:100%;height:100%;display:block}.scene-label{position:absolute;bottom:15px;left:18px;right:18px;display:flex;justify-content:space-between;font-size:11px;color:#acced0}.scene-label b{color:var(--accent)}progress{width:100%;height:8px;accent-color:var(--accent)}#status{margin-top:12px}.lanes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:10px}.lane{font-size:10px;color:var(--muted);padding:7px 9px;border:1px solid var(--line);border-radius:6px}.lane progress{height:4px;margin-top:6px}.result{margin:25px 0}.result-head{display:flex;justify-content:space-between;gap:20px;align-items:center}.result-head h2{font-size:21px;overflow-wrap:anywhere}.big-score{white-space:nowrap}.big-score strong{font-size:78px;font-weight:500;letter-spacing:-.07em;color:var(--accent)}.big-score>span{font-size:15px;color:var(--muted);margin-left:8px}.score-track{height:8px;background:#283e3e;position:relative;border-radius:7px;margin:25px 0 10px}.score-track>div{height:100%;background:var(--accent);width:0;border-radius:7px}.score-track>span{position:absolute;left:60%;top:-6px;bottom:-6px;width:2px;background:var(--orange)}.score-labels{display:flex;justify-content:space-between;position:relative;color:var(--muted);font-size:10px;margin-bottom:28px}.score-labels>span:nth-child(2){position:absolute;left:60%;transform:translateX(-50%);color:var(--orange)}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:20px 0}.metric label{font-size:10px}.metric strong{display:block;font-size:17px;margin-top:7px}.submit-box{border-top:1px solid var(--line);margin-top:23px;padding-top:20px}.consent{display:flex;flex-direction:row;gap:11px;align-items:start;line-height:1.8}.consent input{width:19px;min-height:19px;flex-shrink:0;accent-color:var(--accent);margin-top:3px}.submit-actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 10px}.submit-box p{font-size:12px}.leaderboard{margin:45px 0 30px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:23px}.section-title .eyebrow{margin-bottom:10px}.rank-tabs{display:flex;gap:10px;margin-bottom:17px}.rank-tabs button{background:transparent;border-color:var(--line);color:var(--muted);min-width:110px}.rank-tabs button[aria-selected=true]{background:var(--accent);border-color:var(--accent);color:#10261b}.rank-meta{font-size:12px;color:var(--muted);margin-bottom:8px}.rank-row{display:grid;grid-template-columns:35px minmax(0,1fr) 85px;gap:16px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}.rank-row:last-child{border-bottom:0}.rank-pos{font-size:20px;color:var(--muted)}.rank-row:nth-child(-n+3) .rank-pos{color:var(--orange)}.rank-model{font-size:15px;overflow-wrap:anywhere}.rank-sub{font-size:10px;color:var(--muted);margin-top:7px;line-height:1.8}.rank-score{text-align:right;font-size:25px;color:var(--accent);font-variant-numeric:tabular-nums}.empty{padding:55px 10px;text-align:center;font-size:18px;line-height:2}.empty span{font-size:12px;color:var(--muted)}.rank-error{padding:28px 5px;font-size:13px;color:var(--orange);line-height:1.8}.rules summary{cursor:pointer;font-size:13px;min-height:35px;line-height:1.9}.rules p{margin-top:16px;font-size:12px}.rules{margin:30px 0}footer{border-top:1px solid var(--line);padding:24px 0 40px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:var(--muted);font-size:10px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:90vw;padding:14px 20px;background:#d9f7e9;color:#102218;border-radius:10px;z-index:10;font-size:13px;box-shadow:0 5px 30px #0008}
@media(max-width:720px){.shell{padding:0 18px}.hero{padding-top:32px}.reference{position:static;max-width:none;border-left:0;border-top:1px solid var(--line);padding:18px 0 0;gap:20px;margin-top:22px}.reference>b{font-size:58px}.reference strong{font-size:12px}.reference span{font-size:11px}.hero h1{font-size:45px}.hero h1 br{display:none}.hero>p{font-size:13px}.hero>p br{display:none}.hero .eyebrow{font-size:9px}.reference-warning{margin-top:16px}.panel{padding:20px 17px}.fields{grid-template-columns:1fr}.challenges{grid-template-columns:1fr;gap:18px}.challenge{padding:24px}.challenge p{min-height:0;max-width:none}.orbital{height:145px;margin-bottom:15px}.card-top{margin-bottom:20px}.big-score strong{font-size:57px}.result-head{gap:12px}.big-score>span{font-size:11px}.result-head h2{font-size:17px}.result-head p{font-size:11px}.metrics{grid-template-columns:1fr 1fr;gap:18px}.section-title h2{font-size:24px}.section-title .eyebrow{font-size:8px}.section-title button{font-size:11px;padding:10px 12px}.lanes{grid-template-columns:repeat(2,minmax(0,1fr))}.scene-label{font-size:9px}.test-heading h2{font-size:16px}.test-heading button{font-size:12px;padding:9px 12px}.rank-row{grid-template-columns:25px minmax(0,1fr) 65px;gap:11px}.rank-score{font-size:23px}.rank-model{font-size:14px}header{padding:20px 0}.live{font-size:10px;max-width:130px}.logo{font-size:18px}.logo small{font-size:8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.calibration-entry>p{margin-top:12px}.phone-handoff{display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px;margin-top:24px;align-items:start}.qr-card{padding:12px;background:#fff;border-radius:12px;max-width:100%;text-align:center}.qr-card img{display:block;width:100%;height:auto;image-rendering:pixelated}.qr-card .small{display:block;color:#263d36;line-height:1.65;margin-top:10px}.phone-handoff h3{font-size:17px;margin:0 0 10px}.phone-handoff ol{padding-left:20px;margin:0 0 18px;color:var(--muted);font-size:13px;line-height:1.9}.phone-handoff li{margin:7px 0}.phone-handoff input{font-size:12px;min-width:0}.phone-handoff button{margin:12px 0}.phone-handoff p{font-size:12px}#manualEntry{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}#manualEntry button{margin-top:12px}.calibration-shell .hero h1 br{display:block}.calibration-shell #counts{white-space:nowrap;flex-shrink:0}.calibration-shell #captureTitle{overflow-wrap:anywhere}@media(max-width:650px){.phone-handoff{grid-template-columns:1fr}.qr-card{width:240px;justify-self:center}}
.calibration-shell{max-width:850px}.calibration-shell main>.panel{margin-bottom:22px}.calibration-shell .hero h1{font-size:clamp(38px,6vw,65px)}.calibration-shell .consent{margin:22px 0}.calibration-shell .wide{grid-column:1/-1}.calibration-shell #message{margin-top:14px;color:var(--accent)}.calibration-shell footer a{color:var(--accent)}.sample-rows{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:20px 0}.sample-row{border:1px solid var(--line);border-radius:9px;padding:12px;min-width:0}.sample-row span{display:block;font-size:11px;color:var(--muted)}.sample-row strong{display:block;margin-top:8px;font-size:15px;overflow-wrap:anywhere;color:var(--accent)}@media(max-width:420px){.sample-rows{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* V4 sustained telemetry */
.hero h1{max-width:62%}.stage-rail{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 18px}.stage-step{padding:8px 11px;border:1px solid var(--line);border-radius:8px;font-size:11px;color:var(--muted)}.stage-step.current{border-color:var(--accent);color:var(--accent);background:#a1e6c410}.stage-step.done{color:var(--accent)}.telemetry{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:12px;margin:18px 0}.telemetry>div{border:1px solid var(--line);border-radius:10px;padding:13px;min-width:0}.telemetry span{display:block;font-size:10px;color:var(--muted)}.telemetry strong{display:block;margin-top:7px;font-size:18px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.throughput-plot{display:block;width:100%;height:160px;border:1px solid var(--line);border-radius:10px}.plot-heading{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:11px;margin:20px 0 10px}.plot-heading span:last-child{color:var(--accent);font-size:10px}.test-surface>.small{margin-top:12px}.scene{max-width:none;aspect-ratio:2;max-height:350px}.scene canvas{object-fit:contain}.scene-label{padding:8px;border-radius:5px;background:#081720d9}.season-picker{display:flex;flex-direction:row;align-items:center;gap:12px;margin:0 0 15px}select{background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:11px;font:inherit;max-width:100%;min-height:44px}.rank-score small{display:block;font-size:10px;font-weight:400;color:var(--muted);margin-top:5px}.big-score .pending-score{font-size:32px;letter-spacing:0}.rank-row{grid-template-columns:35px minmax(0,1fr) 110px}.big-score{display:flex;flex-direction:column;align-items:flex-end}.big-score>span{margin:0}.test-heading{position:sticky;top:0;z-index:2;background:var(--surface);padding:10px 0}.single-art i{animation:orbit-shift 9s ease-in-out infinite alternate}.multi-art span{animation:bar-breathe 2.5s ease-in-out infinite alternate}.multi-art span:nth-child(2){animation-delay:-.6s}.multi-art span:nth-child(3){animation-delay:-1.2s}@keyframes orbit-shift{to{transform:rotate(22deg)}}@keyframes bar-breathe{to{transform:skewY(-15deg) translateY(-7px)}}
@media(max-width:720px){.hero h1{max-width:none}.telemetry{gap:6px}.telemetry>div{padding:10px 7px}.telemetry strong{font-size:14px}.telemetry span{font-size:9px}.scene{aspect-ratio:1.6}.plot-heading{font-size:10px}.rank-row{grid-template-columns:23px minmax(0,1fr) 85px;gap:9px}.rank-score{font-size:21px}.big-score .pending-score{font-size:25px}.stage-step{font-size:10px;padding:7px}.result-head{align-items:flex-start}}
@media(max-width:360px){.shell{padding:0 12px}.challenge{padding:19px}.card-top{gap:8px}.card-bottom{gap:8px}.card-bottom button{font-size:12px;padding:10px}.hero h1{font-size:39px}.telemetry strong{font-size:12px}.big-score .pending-score{font-size:22px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

.testing .orbital *{animation-play-state:paused!important}