:root{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;color:#1d1d1f;background:#fff;font-size:18px;line-height:1.5;--ink:#1d1d1f;--muted:#616166;--line:#dcdce0;--surface:#f5f5f7;--accent:#0071e3;--green:#1d1d1f;color-scheme:light dark}*{box-sizing:border-box}body{margin:0}main{max-width:1344px;margin:auto;padding:0 48px 64px}a{color:inherit;text-decoration:none}button,a{touch-action:manipulation}button,select{font:inherit;cursor:pointer}button{min-height:44px;padding:10px 22px;border:1px solid var(--line);background:transparent;border-radius:999px;transition:background .2s,color .2s}button:hover{background:var(--surface)}a:hover{color:var(--accent)}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:disabled{opacity:.45;cursor:default}.site-nav{display:flex;align-items:center;gap:32px;min-height:76px;border-bottom:1px solid var(--line);font-size:18px;font-weight:500;flex-wrap:wrap}.site-nav a{padding:20px 0;position:relative}.site-nav [aria-current=page]:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--ink)}header{margin:32px 0 24px}h1{font-size:clamp(36px,4vw,48px);font-weight:600;letter-spacing:-1.5px;line-height:1.12;margin:0 0 12px}header p{font-size:19px;color:var(--muted);margin:0}h2{font-size:28px;line-height:1.2;letter-spacing:-.7px;font-weight:600;margin:0 0 24px}p{margin:0}.task-nav{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0 32px}.task-nav button{border:0;border-radius:10px;font-size:19px;padding:10px 20px;color:var(--muted);font-weight:500}.task-nav button[aria-pressed=true]{background:var(--ink);color:#fff}#task-title{margin-bottom:20px;font-size:30px}.examples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.example{margin:0;min-width:0}.example figcaption{font-size:19px;font-weight:500;margin-bottom:12px}.example video{display:block;width:100%;height:clamp(180px,24vw,288px);object-fit:contain;background:var(--surface);border-radius:12px}.example .pending{height:240px;display:grid;place-items:center;background:var(--surface);border-radius:12px;color:var(--muted)}.playback{display:flex;justify-content:center;gap:12px;margin:24px 0 40px}.playback #play{background:var(--ink);color:white;border-color:var(--ink)}.playback #play:hover{opacity:.85}.fixed-section{padding:32px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.spec-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px 36px;margin:0}.metric{min-width:0}.metric dt{font-size:18px;color:var(--muted);margin-bottom:8px}.metric dd{margin:0;font-size:30px;line-height:1.2;letter-spacing:-.8px;font-weight:500;white-space:nowrap}.metric dd span{font-size:18px;font-weight:400;letter-spacing:0;color:var(--muted)}.vary-section{padding:40px 0}.sweep-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 48px}.sweep h3{font-size:20px;font-weight:500;margin:0 0 16px}.sweep h3 span{display:block;font-size:18px;font-weight:400;color:var(--muted);margin-top:4px}.levels{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:24px;line-height:1.3;font-variant-numeric:tabular-nums;letter-spacing:-.5px}.balance{margin-top:24px;color:var(--muted);max-width:760px}.question{background:var(--surface);border-radius:20px;padding:32px;margin:0 0 40px}.question-heading{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:24px}.question-heading h2{margin:0}.question-heading span{color:var(--muted);font-size:18px}.question p{font-size:24px;line-height:1.5;white-space:pre-line;max-width:900px;letter-spacing:-.3px}.prompt-choices{display:flex;gap:8px;margin:0 0 20px}.prompt-choices button{font-size:18px;padding:8px 18px}.prompt-choices button[aria-pressed=true]{background:var(--ink);color:white}.context{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding-bottom:40px}.context h2{font-size:24px;margin-bottom:16px}.context p{font-size:19px;line-height:1.6;color:var(--muted)}.context a{color:var(--accent);white-space:normal}.models{border-top:1px solid var(--line);padding-top:32px}.models h2{font-size:24px;margin-bottom:16px}.models p{color:var(--muted);font-size:19px;max-width:960px}.reference-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:0 0 40px}.reference{display:flex;align-items:center;gap:16px}.reference img{width:88px;height:88px;border-radius:10px;object-fit:contain;background:var(--surface)}.reference span{font-size:18px;color:var(--muted)}.progress{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding:12px 0 32px;border-bottom:1px solid var(--line);margin-bottom:32px}.progress-stat{display:flex;flex-direction:column;gap:6px}.progress-stat>span{font-size:18px;color:var(--muted)}.progress-stat strong{font-size:42px;letter-spacing:-1.5px;font-weight:500;line-height:1.3}.progress-stat small{font-size:25px;color:var(--muted);font-weight:400}.curve-controls{display:flex;gap:24px;flex-wrap:wrap;margin-bottom:24px}.curve-controls label{display:flex;flex-direction:column;gap:8px;font-size:18px;color:var(--muted)}select{min-height:48px;padding:10px 40px 10px 16px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--ink)}.chart-legend{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin:16px 0;font-size:19px}.chart-legend span{display:flex;align-items:center;gap:10px}.chart-legend i{width:28px;height:4px;display:inline-block}.chart-scroll svg{display:block;width:100%;max-height:390px;font:22px -apple-system,BlinkMacSystemFont,system-ui;fill:var(--ink)}.curve-note,#result-note{font-size:18px;color:var(--muted);margin:20px 0 32px;max-width:1000px}.score-table{border-collapse:collapse;width:100%;font-size:19px;margin:32px 0}.score-table th,.score-table td{text-align:left;padding:18px 20px;border-bottom:1px solid var(--line)}.score-table th{font-weight:500;color:var(--muted);background:var(--surface)}.score-table td:first-child{font-weight:500}.figures figure{margin:32px 0}.figures img{display:block;width:100%;height:auto}.figures figcaption{color:var(--muted);font-size:18px;margin-top:16px}.empty-result{padding:32px 0;font-size:22px}[hidden]{display:none!important}@media(prefers-color-scheme:dark){:root{background:#151516;color:#f5f5f7;--ink:#f5f5f7;--muted:#adadb3;--line:#3c3c40;--surface:#242426;--accent:#64b5ff}.task-nav button[aria-pressed=true],.prompt-choices button[aria-pressed=true],.playback #play{color:#151516}.chart-scroll svg line{opacity:.75}.figures img{background:white}}@media(max-width:1000px){main{padding:0 32px 48px}.metric dd{font-size:25px}.spec-grid{gap:28px 20px}.metric dd span{display:block;margin-top:5px}.site-nav{gap:24px}.sweep-grid{gap:32px}.question-heading{display:block}.question-heading span{display:block;margin-top:12px}}@media(max-width:700px){main{padding:0 20px 40px}.site-nav{gap:8px 24px;min-height:64px;font-size:17px}.site-nav a{padding:12px 0}header{margin-top:24px}h1{letter-spacing:-1px}.task-nav{gap:6px;margin-bottom:24px}.task-nav button{padding:8px 12px;font-size:17px}.examples{gap:12px}.example video{height:190px}.example figcaption{font-size:17px}.spec-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.metric dd{font-size:28px}.metric dd span{display:inline}.sweep-grid,.context{grid-template-columns:1fr}.levels{gap:12px 20px}.question{padding:24px}.question p{font-size:21px}.context{gap:32px}.chart-scroll{overflow:auto}.chart-scroll svg{min-width:620px;max-height:none}.curve-controls{gap:16px}.progress-stat strong{font-size:36px}.score-table{font-size:17px}.score-table th,.score-table td{padding:14px 8px}.reference-row{gap:12px}.reference{flex-direction:column;align-items:start}}@media(max-width:520px){.examples{grid-template-columns:1fr}.example video{height:auto;max-height:280px}.example{margin-bottom:8px}.playback{margin-top:16px}.metric dd{font-size:25px}.metric dd span{font-size:16px}.reference img{width:72px;height:72px}.reference span{font-size:16px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* Grouped specification sheet: aligned labels and values, without cards. */
.spec-section{border-top:1px solid var(--line);padding:48px 0 56px}.spec-section h2{font-size:30px;margin:0 0 40px;letter-spacing:-.8px}.spec-grid{grid-template-columns:repeat(3,minmax(0,1fr));column-gap:72px;row-gap:48px}.metric dt{font-size:22px;font-weight:400;line-height:1.35;margin-bottom:6px;color:var(--muted)}.metric dd{font-size:24px;font-weight:400;letter-spacing:-.3px;line-height:1.5;white-space:normal;overflow-wrap:break-word}.balance{margin:0 0 48px}.question{border-radius:0;background:none;padding:40px 0;border-top:1px solid var(--line)}.question-heading{margin-bottom:28px}.question p{font-size:24px}.context{padding:0 0 48px}.models{padding-top:40px}@media(max-width:1000px){.spec-grid{column-gap:40px;row-gap:40px}.metric dt{font-size:20px}.metric dd{font-size:22px}}@media(max-width:700px){.spec-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px}.spec-section{padding:32px 0 40px}.spec-section h2{font-size:27px;margin-bottom:28px}.metric dt{font-size:18px}.metric dd{font-size:21px}.question{padding:32px 0}.question p{font-size:21px}}@media(max-width:370px){.spec-grid{grid-template-columns:1fr}}
.chart-legend svg{width:60px;height:24px;flex:none}.tested-media{display:flex;gap:32px;align-items:start;justify-content:center;margin:28px 0}.tested-media figure{margin:0;min-width:0}.tested-media figcaption{font-size:20px;margin-bottom:12px}.tested-media img{width:160px;height:160px;object-fit:contain;background:var(--surface);border-radius:12px}.tested-media video{display:block;width:100%;max-width:512px;max-height:360px;background:var(--surface);border-radius:12px}#tested-input{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:36px 0}#tested-input summary{font-size:22px;font-weight:500;padding:24px 0;cursor:pointer}.tested-prompt{padding:0 0 32px}.tested-prompt h2{font-size:22px;margin-bottom:12px}.tested-prompt p{font-size:22px;white-space:pre-line;max-width:900px}@media(max-width:700px){.tested-media{gap:20px;flex-direction:column}.tested-media img{width:120px;height:120px}.tested-prompt p{font-size:20px}.chart-legend{gap:12px;font-size:17px}.chart-legend svg{width:44px}}
.table-scroll,#scores{overflow-x:auto}.qualification{border-top:1px solid var(--line);margin:32px 0;padding-top:24px}.qualification summary{cursor:pointer;font-weight:500;margin-bottom:16px}.qualification p{color:var(--muted)}
.t1-heatmaps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;margin:28px 0 36px}.t1-heatmaps h3{font-size:20px;line-height:1.4;margin:0 0 8px}.t1-heatmaps p{font-size:16px;color:var(--muted);margin:0 0 16px}.t1-heatmap{border-collapse:separate;border-spacing:3px;width:100%;table-layout:fixed;font-size:14px;font-variant-numeric:tabular-nums}.t1-heatmap th{font-weight:500;padding:8px 2px;text-align:center;overflow-wrap:anywhere}.t1-heatmap th:first-child{width:68px}.t1-heatmap td{padding:12px 4px;text-align:center;white-space:nowrap}#t1-grid .condition-counts{margin:24px 0}#t1-grid .condition-counts summary{cursor:pointer;font-weight:500}@media(max-width:1100px){.t1-heatmaps{grid-template-columns:1fr}.t1-heatmap{max-width:660px}}@media(max-width:520px){.t1-heatmap{font-size:12px;border-spacing:2px}.t1-heatmap th:first-child{width:53px}.t1-heatmap td{padding:12px 1px}}