:root{--paper:#f7f8fa;--ink:#182b39;--muted:#65747e;--line:#dfe5e9;--accent:#186b62;--soft:#e9f3ef;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #2a877a;outline-offset:5px}.topbar{max-width:1440px;margin:auto;min-height:84px;padding:20px 5%;display:flex;align-items:center;gap:30px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:750;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:30px;height:32px;border-radius:7px;background:var(--ink);color:white;font-family:Georgia,serif;font-size:22px}.brand-sub{font-size:13px;font-weight:400;color:var(--muted)}nav{display:flex;gap:24px;margin-left:auto;font-size:13px}nav 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/* One episode at a time; all model curves share fixed development scaling. */
.episode-curves { margin-top: 1rem; }
.curve-controls label { display: grid; gap: .45rem; font-weight: 600; }
.curve-controls select { width: 100%; padding: .65rem; border: 1px solid #cbd2dc; border-radius: .5rem; background: white; color: #172233; font: inherit; }
.curve-legend { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1rem 0; }
.curve-legend button { border: 1px solid #d4dae2; border-left: 5px solid var(--curve-color); background: white; color: #273547; padding: .4rem .65rem; border-radius: .35rem; cursor: pointer; }
.curve-legend button[aria-pressed="false"] { opacity: .4; text-decoration: line-through; }
.curve-chart svg { width: 100%; height: auto; min-width: 570px; background: white; }
.curve-chart { overflow-x: auto; }
.curve-chart text { font: 12px system-ui,sans-serif; fill: #44516a; }
.curve-chart text.curve-event { font-size: 10px; }
.curve-readout { min-height: 5rem; font-size: .85rem; color: #435168; }
.curve-readout div { display: flex; flex-wrap: wrap; gap: .3rem 1rem; margin-top: .4rem; }
.curve-reference { display:flex; align-items:center; gap:1rem; font-size:.85rem; }
.result-item .curve-reference img { width: 170px; max-width: 35vw; margin: .3rem 0; }
.metric-table-wrap { overflow-x:auto; }
.metric-table { width:100%; border-collapse:collapse; font-size:.92rem; }
.metric-table th,.metric-table td { padding:.65rem .7rem; text-align:right; border-bottom:1px solid #e1e6ec; white-space:nowrap; }
.metric-table th:first-child,.metric-table td:first-child { text-align:left; }
.metric-table th { color:#455369; }

.curve-controls { display: grid; gap: .8rem; }
.curve-media { display:grid; grid-template-columns:1fr 1fr; gap:1rem; margin:1rem 0; align-items:start; }
.curve-media figure { margin:0; min-width:0; }
.curve-media figcaption { font-size:.9rem; font-weight:700; margin-bottom:.5rem; }
.result-item .curve-media img { width:100%; aspect-ratio:4/3; object-fit:contain; background:#e8edf2; border-radius:.45rem; margin:0; }
.curve-media figure p { font-size:.8rem; margin:.4rem 0; color:#546477; }
.curve-inspector { border:1px solid #d4dde6; background:#fff; padding:1rem; border-radius:.6rem; min-width:0; }
.curve-inspector label { display:grid; gap:.35rem; font-size:.85rem; }
.curve-inspector select { padding:.4rem; width:100%; font:inherit; }
.curve-decision { display:grid; gap:.5rem; font-size:.85rem; margin-top:.7rem; }
.curve-decision code { white-space:normal; overflow-wrap:anywhere; }
.curve-decision small,.curve-outcome { font-size:.75rem; color:#526174; }
.curve-prediction { font-weight:700; padding:.3rem .5rem; border-radius:.3rem; }
.curve-prediction.complete { color:#126643; background:#e5f4ec; }
.curve-prediction.incomplete { color:#87501b; background:#fff2de; }
.curve-scrubber { display:block; font-weight:600; margin:1rem 0; }
.curve-scrubber output { float:right; font-weight:400; }
.curve-scrubber input { display:block; width:100%; margin-top:.7rem; accent-color:#087f8c; }
.curve-play-controls { display:flex; flex-wrap:wrap; align-items:center; gap:.8rem; margin:.8rem 0; }
.curve-play { border:0; background:#193a4c; color:white; border-radius:.45rem; padding:.65rem 1rem; cursor:pointer; font:inherit; }
.curve-play:disabled { opacity:.4; cursor:default; }
.curve-video-panel { background:#eef2f6; padding:1rem; border-radius:.6rem; }
.curve-video-panel[hidden] { display:none; }
.result-item .curve-video-panel video { width:min(100%,540px); display:block; margin:0 auto; }
.score-guide-table { table-layout:fixed; width:100%; min-width:1100px; border-collapse:collapse; font-size:.85rem; }
.score-guide-table th,.score-guide-table td { padding:.8rem; vertical-align:top; text-align:left; border-bottom:1px solid #e0e6ed; overflow-wrap:anywhere; }
.score-guide-table thead th:first-child { width:10%; }.score-guide-table thead th:nth-child(2) { width:25%; }.score-guide-table thead th:nth-child(3) { width:26%; }.score-guide-table thead th:nth-child(4) { width:25%; }.score-guide-table thead th:last-child { width:14%; }
.score-guide-table code { display:block; margin:.4rem 0; white-space:normal; font-size:.84rem; }
.score-guide-table small { display:block; color:#516077; line-height:1.5; }
.score-guide-notes { margin-top:1rem; }.score-guide-notes li { margin:.7rem 0; }.score-guide-notes pre { white-space:pre-wrap; overflow-wrap:anywhere; font-size:.8rem; }
.metric-table.wrap td,.metric-table.wrap th { white-space:normal; text-align:left; vertical-align:top; min-width:150px; }
@media(max-width:760px){.curve-media { grid-template-columns:1fr 1fr; }.curve-inspector { grid-column:1/-1; }.curve-scrubber output { float:none; display:block; }.curve-controls select { font-size:.9rem; }}

.curve-media { max-width:720px; }
.curve-review { display:grid; grid-template-columns:minmax(0,1.5fr) minmax(0,1fr); gap:1rem; align-items:start; margin:1rem 0; }
.curve-playback { min-width:0; }
.curve-evaluator { border-top:1px solid #d4dde6; margin-top:1rem; padding-top:.75rem; font-size:.85rem; }
.curve-evaluator p { font-size:.8rem; line-height:1.5; }
@media(max-width:760px){.curve-review { grid-template-columns:1fr; }}

.score-guide-table .score-conditioning code { white-space:pre-line; line-height:1.7; }
.score-conditioning-legend { font-size:.85rem; line-height:1.6; }

.curve-sample-sequence { font-size:.8rem; line-height:1.6; overflow-wrap:anywhere; }

.metric-table td.metric-best { background:#e2f2e9; color:#145c3b; box-shadow:inset 0 -2px #4c9870; }
.benchmark-summary-plot { display:block; width:100%; max-width:760px; margin:1rem auto 1.5rem; }
.result-methods { margin-top:1rem; font-size:.9rem; color:#516077; }
.result-methods summary { cursor:pointer; }

.paired-camera-curves .curve-media { max-width:100%; grid-template-columns:minmax(0,1fr) minmax(0,2fr); }
.result-item .paired-camera-curves .curve-current img { aspect-ratio:676/308; }
.result-item .paired-camera-curves .curve-video-panel video { width:min(100%,800px); }
@media(max-width:760px){.paired-camera-curves .curve-media { grid-template-columns:1fr; }.paired-camera-curves .curve-goal { max-width:240px; }}


/* Dataset explanations precede results; GIFs use real evaluated episodes. */
.study-introduction { margin: 0 0 24px; }
.study-introduction .section-top { align-items: start; gap: 20px; margin-bottom: 12px; }
.study-introduction .section-top h2 { margin: 5px 0 0; font-size: 25px; }
.study-introduction .section-top a { white-space: nowrap; font-size: 13px; }
.dataset-description { max-width: 95ch; line-height: 1.65; }
.dataset-facts { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; list-style: none; margin: 18px 0 25px; }
.dataset-facts li { background: #eef5f3; color: #31534b; border: 1px solid #dce8e3; border-radius: 6px; padding: 7px 10px; font-size: 12px; }
.dataset-preview-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 12px; }
.dataset-preview-heading h3 { margin: 0; }
.preview-toggle { background: white; color: var(--ink); border: 1px solid var(--line); border-radius: 5px; padding: 7px 10px; font: inherit; font-size: 12px; cursor: pointer; }
.dataset-examples { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.dataset-example { margin: 0; min-width: 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
.dataset-example img { width: 100%; aspect-ratio: 16/9; object-fit: contain; display: block; background: #edf0f1; }
.dataset-example figcaption { padding: 13px 14px; }
.dataset-example h4 { margin: 0 0 7px; font-size: 14px; }
.dataset-example p { font-size: 12px; line-height: 1.5; margin: 6px 0; color: var(--muted); }
.dataset-example .example-task { color: var(--ink); }
.preview-inspect { border: 0; padding: 6px 0 0; background: transparent; color: var(--accent); font: inherit; font-size: 12px; cursor: pointer; text-align: left; }
.dataset-preview-note { margin: 12px 0 25px; font-size: 12px; }
.dataset-inference { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.dataset-inference h4 { margin: 0 0 8px; }
.dataset-inference code { display: block; white-space: normal; overflow-wrap: anywhere; font-size: 12px; color: #28564e; }
.dataset-inference p { font-size: 13px; line-height: 1.65; margin-top: 10px; }
.dataset-limitations { font-size: 12px; line-height: 1.6; border-top: 1px solid var(--line); padding-top: 16px; margin-top: 12px; }
.study-introduction > a { font-size: 13px; }
@media(max-width:760px) { .dataset-examples,.dataset-inference { grid-template-columns:1fr; } .dataset-example img { max-height:280px; } .dataset-facts { display:grid; } .dataset-inference { gap:12px; } .study-introduction .section-top a { display:inline-block; margin-top:10px; } }