:root {
  color-scheme: light;
  --green: #76b900;
  --green-text: #497500;
  --ink: #20251f;
  --muted: #687064;
  --line: #dfe4d9;
  --surface: #f6f8f3;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; scroll-behavior: smooth; }
body { margin: 0; padding-left: 192px; color: var(--ink); background: #fff; font-family: "Helvetica Neue", Arial, sans-serif; font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
figure, h1, h2, h3, h4, p { margin: 0; }
[hidden] { display: none !important; }
strong { font-weight: 600; }
:focus-visible { outline: 2px solid var(--green-text); outline-offset: 4px; }
::selection { background: #dfedca; }
.skip-link { position: absolute; left: 16px; top: -80px; background: #fff; padding: 10px; z-index: 10; }
.skip-link:focus { top: 10px; }
.section-nav { position: fixed; left: 20px; top: 50%; transform: translateY(-50%); z-index: 20; display: flex; flex-direction: column; width: 158px; max-height: calc(100vh - 48px); overflow-y: auto; padding: 4px 0; }
.section-nav a { position: relative; display: flex; align-items: center; min-height: 31px; padding: 4px 0 4px 16px; color: var(--muted); font-size: 13px; line-height: 1.5; white-space: nowrap; transition: color .18s ease; }
.nav-group { margin-top: 20px; }
.nav-group-label { margin: 0 0 5px 16px; color: #70766b; font-size: 11px; font-weight: 400; letter-spacing: .02em; }
.nav-dot { position: absolute; left: 0; top: 50%; width: 2px; height: 15px; transform: translateY(-50%); border-radius: 1px; background: var(--green); opacity: 0; transition: opacity .18s ease; }
.section-nav a:hover, .section-nav a[aria-current="location"] { color: var(--green-text); }
.section-nav a[aria-current="location"] { font-weight: 500; }
.section-nav a[aria-current="location"] .nav-dot { opacity: 1; }
.site-header { max-width: 1200px; margin: 0 auto; padding: 24px 32px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-bottom: 1px solid var(--line); }
.brand img { width: 110px; }
.lab-link { font-size: 14px; font-weight: 500; white-space: nowrap; }
.lab-link, .authors a, .concept-panel h3 a { color: inherit; text-decoration: underline; text-decoration-color: transparent; text-decoration-thickness: 1px; text-underline-offset: 4px; transition: color .15s, text-decoration-color .15s; }
.lab-link:hover, .lab-link:focus-visible, .authors a:hover, .authors a:focus-visible, .concept-panel h3 a:hover, .concept-panel h3 a:focus-visible { color: var(--green-text); text-decoration-color: #b3c39e; }
footer a:hover { color: var(--green-text); }
.hero { padding: 44px 28px 72px; }
.hero-heading { max-width: 1080px; margin: auto; text-align: center; }
h1 { font-weight: 500; line-height: 1.3; }
.project-name { display: block; color: var(--green-text); font-weight: 650; font-size: 64px; line-height: 1.1; letter-spacing: -2.5px; margin-bottom: 18px; }
.project-subtitle { display: block; max-width: 1040px; margin: 0 auto; font-size: 28px; letter-spacing: -.6px; text-wrap: balance; }
.keep-phrase { white-space: nowrap; }
.authors { margin-top: 24px; font-size: 14px; }
.authors a { white-space: nowrap; }
.hero-intro { max-width: 1000px; margin: 28px auto 0; text-align: center; font-size: 21px; line-height: 1.6; letter-spacing: -.25px; text-wrap: pretty; }
.hero-intro > span { display: block; text-wrap: balance; }
.reading-lines > span { display: block; text-wrap: balance; }
.hero-media { max-width: 1120px; margin: 30px auto 0; }
.teaser-stage { position: relative; container-type: inline-size; }
.teaser-labels { grid-template-columns: 948fr 492fr; }
.teaser-labels.input-first { grid-template-columns: 464fr 976fr; }
.teaser-labels.input-first > span:first-child { color: var(--green-text); background: #f3f7ed; }
.reactive-legend { display: flex; align-items: center; justify-content: center; gap: 8px; text-align: center; }
.reactive-legend-mark { flex: 0 0 19px; height: 15px; border: 2px dotted #df4138; border-radius: 4px; }
.hero-media > .reactive-legend { min-height: 22px; }
.hero-media > .reactive-legend.is-inactive { visibility: hidden; }
.teaser-caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 12px 13px; color: #fff; background: linear-gradient(transparent, #07100cb8); font-size: clamp(12px, 1.6cqw, 18px); font-weight: 500; line-height: 1.35; text-align: center; white-space: nowrap; text-shadow: 0 1px 3px #0008; pointer-events: none; }
@container (max-width: 640px) {
  .teaser-caption { display: none; }
}
@media (max-width: 760px) {
  .teaser-caption { display: none; }
  .teaser-stage .teaser-labels { font-size: 11px; line-height: 1.35; min-height: 46px; }
  .teaser-stage .teaser-labels > span { padding: 8px; }
  .reactive-legend { font-size: 11px; line-height: 1.5; }
}
.hero-summary { text-align: center; max-width: 850px; margin: 42px auto 0; }
.hero-summary h2, .hero-summary h3 { font-size: 26px; line-height: 1.35; letter-spacing: -.5px; }
.hero-summary p { margin-top: 12px; font-size: 18px; line-height: 1.65; color: #47513f; text-wrap: pretty; }
.hero-concept { max-width: 1200px; margin: 28px auto 0; }
.bev-intro-section .container { width: min(100% - 40px, 1200px); }
.bev-intro-section .section-heading { max-width: 920px; }
.bev-intro-section h2 { font-size: 30px; line-height: 1.35; letter-spacing: -.7px; }
.bev-intro-section .hero-summary { margin-top: 0; }
.bev-benefits-section .section-heading { max-width: 940px; }
.bev-benefits-section .section-heading > p { max-width: 920px; text-wrap: pretty; }
.bev-benefit-demo { position: relative; max-width: 820px; margin: 26px auto 36px; padding: 13px 16px 14px; border: 1px solid #dce3d3; border-radius: 7px; background: #fff; }
.benefit-views { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: 'rgb bev'; gap: 16px; align-items: start; }
.benefit-view-rgb { grid-area: rgb; }
.benefit-view-bev { grid-area: bev; }
.benefit-view { min-width: 0; }
.benefit-view h3 { margin: 0 0 8px; font-size: 16px; font-weight: 500; letter-spacing: 0; text-align: center; }
.benefit-view > svg { display: block; width: 100%; height: auto; border: 1px solid #e2e7dc; border-radius: 5px; overflow: hidden; }
.bev-benefit-demo > .benefit-joint-label { margin: 0 30px 13px; color: var(--green-text); font-size: 16px; font-weight: 500; line-height: 1.4; text-align: center; }
@media (max-width: 600px) {
  .bev-benefit-demo { padding: 13px 12px 12px; }
  .benefit-views { grid-template-columns: 1fr; grid-template-areas: 'rgb' 'bev'; gap: 20px; }
  .benefit-view h3 { margin-bottom: 9px; font-size: 16px; }
}
.action-interface { margin-top: 40px; }
.action-interface .method-explanation { max-width: 900px; font-size: 16px; }
.action-interface .action-intro { max-width: 920px; margin-bottom: 20px; }
.action-diagram { position: relative; }
.action-layout { position: relative; container-type: inline-size; padding: 18px 22px 10px; background: #f8faf5; }
.action-main { --bev-size: calc((100cqw - 122px) / 3.7667); display: grid; grid-template-columns: var(--bev-size) 56px minmax(0, 1fr); gap: 14px; align-items: start; }
.action-panel { min-width: 0; }
.action-panel canvas { display: block; width: 100%; height: auto; outline: 1px solid #dbe2d2; outline-offset: -1px; border-radius: 5px; background: #101410; }
.action-condition { padding-top: 9px; }
.action-condition h4 { display: flex; align-items: center; height: 36px; margin-bottom: 6px; color: var(--green-text); font-size: 14px; font-weight: 500; line-height: 18px; }
.action-output-group { display: grid; grid-template-columns: minmax(0, 1.7667fr) minmax(0, 1fr); gap: 0 12px; padding: 8px 12px 12px; border: 1px solid #d7dfce; border-radius: 7px; background: #fff; }
.action-output-group h4 { display: flex; align-items: center; height: 36px; margin: 0 0 6px; color: #3f5132; font-size: 14px; font-weight: 500; line-height: 18px; }
.action-next-step { --bev-size: calc((100cqw - 122px) / 3.7667); position: relative; display: grid; grid-template-columns: var(--bev-size) 76px minmax(0, 1fr); gap: 14px; align-items: center; height: 88px; }
.action-trajectory-input { grid-column: 1; justify-self: center; position: relative; z-index: 2; max-width: calc(100% - 48px); padding: 8px; border: 1px solid transparent; border-radius: 5px; background: #edf4e5; color: #405a30; font-size: 15px; font-weight: 500; line-height: 22px; text-align: center; }
.action-reproject-node { grid-column: 2; justify-self: center; position: relative; z-index: 2; width: 104px; padding: 5px 10px; border: 1px solid transparent; color: #405433; font-size: 15px; font-weight: 500; line-height: 22px; text-align: center; }
.action-reproject-node small { display: block; color: #536049; font-size: 13px; font-weight: 400; line-height: 18px; }
.action-reuse-label { position: absolute; z-index: 2; transform: translate(-50%, -50%); padding: 0 10px; background: #f8faf5; color: #4c5a43; font-size: 14px; font-weight: 500; line-height: 22px; white-space: nowrap; }
.action-connections { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; overflow: visible; pointer-events: none; fill: none; stroke: #82916f; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
/* All three panels are drawn from one decoded frame. */
.action-diagram.is-ready > video { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; pointer-events: none; }
.action-diagram.is-ready .action-fallback-labels { display: none; }
.player.action-diagram:fullscreen { background: #f8faf5; }
.action-diagram:fullscreen .action-layout { width: min(100%, 1440px); margin: auto; flex-shrink: 0; }
.action-interface .action-method-figure > figcaption { margin-top: 16px; }
.demo-heading { margin-bottom: 22px; }
.container { width: min(100% - 64px, 1040px); margin: 0 auto; }
.section { padding: 76px 0 82px; border-top: 1px solid var(--line); }
.section-tinted { background: var(--surface); }
.section-heading { text-align: center; margin: 0 auto 34px; max-width: 900px; }
h2 { font-size: 34px; font-weight: 600; line-height: 1.25; letter-spacing: -1px; text-wrap: balance; }
.section-heading > p { margin: 17px auto 0; color: var(--muted); font-size: 18px; line-height: 1.65; max-width: 800px; }
.section-heading strong { color: var(--ink); }
h3 { font-size: 24px; font-weight: 600; line-height: 1.35; letter-spacing: -.45px; }
h4 { font-size: 18px; font-weight: 500; }
.subsection { margin-top: 54px; }
.reading-guide { color: var(--muted); margin: 12px 0 23px; max-width: 880px; }
.reading-guide strong { color: var(--ink); }
.player { border: 1px solid #dce1d5; border-radius: 9px; overflow: hidden; background: #fff; box-shadow: 0 4px 18px #253b0d08; }
video { display: block; width: 100%; height: auto; background: #101410; }
.panel-labels { display: grid; align-items: stretch; background: #fff; font-size: 14px; font-weight: 500; }
.panel-labels > span { padding: 12px 18px; border-right: 1px solid #ebeee6; }
.panel-labels > span:last-child { border-right: 0; }
.panel-labels small { display: block; font-size: 12px; color: var(--muted); font-weight: 400; margin-top: 1px; }
.rgb-bev { grid-template-columns: 848fr 480fr; }
.bev-rgb { grid-template-columns: 480fr 848fr; }
.halves { grid-template-columns: 1fr 1fr; }
.thirds { grid-template-columns: repeat(3, 1fr); }
.ours-label { color: var(--green-text); background: #f3f8eb; }
.ego-comparison-labels small { margin-top: 4px; font-size: 14px; color: inherit; }
figcaption { color: var(--muted); font-size: 13px; line-height: 1.65; margin-top: 13px; }
.scene-picker { display: flex; gap: 10px; padding: 16px 2px 2px; overflow-x: auto; scrollbar-width: thin; scrollbar-color: #ccd4c2 transparent; }
.scene-picker button { flex: 0 0 145px; display: block; border: 1px solid transparent; border-radius: 6px; background: transparent; padding: 5px; color: var(--muted); text-align: left; transition: border-color .15s, background .15s; }
.scene-picker img { width: 100%; height: 53px; object-fit: cover; border-radius: 3px; opacity: .8; }
.scene-picker span { display: block; padding: 6px 2px 1px; font-size: 12px; line-height: 1.4; white-space: nowrap; }
.comparison-picker span { white-space: normal; }
.scene-picker button:hover { background: #edf1e7; }
.scene-picker [aria-pressed="true"] { border-color: var(--green); background: #f2f8e9; color: var(--green-text); }
.scene-picker [aria-pressed="true"] img { opacity: 1; }
.gallery > figcaption { min-height: 43px; margin-top: 12px; }
/* A single quiet playback strip. Native controls remain the no-JS fallback. */
.player-controls { display: flex; align-items: center; gap: 13px; height: 46px; padding: 4px 12px; border-top: 1px solid #e7eae1; background: #fff; }
.control-button { display: flex; align-items: center; justify-content: center; flex-shrink: 0; width: 34px; height: 34px; border: 0; border-radius: 4px; background: transparent; color: #3a4434; }
.control-button:hover { background: #edf3e5; }
.control-button svg { width: 17px; height: 17px; fill: currentColor; }
.control-button .stroke { fill: none; stroke: currentColor; stroke-width: 1.6; }
.player-controls input[type="range"] { --progress: 0%; appearance: none; -webkit-appearance: none; flex: 1; min-width: 0; height: 3px; margin: 8px 0; border-radius: 2px; background: linear-gradient(to right, var(--green-text) 0% var(--progress), #dce2d4 var(--progress) 100%); cursor: pointer; }
.player-controls input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 10px; height: 10px; border-radius: 50%; background: var(--green-text); border: 0; }
.player-controls input[type="range"]::-moz-range-thumb { width: 10px; height: 10px; border-radius: 50%; background: var(--green-text); border: 0; }
.player-time { color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; min-width: 65px; text-align: right; }
.player:fullscreen { display: flex; flex-direction: column; justify-content: center; background: #101410; border: 0; border-radius: 0; }
.player:fullscreen video { min-height: 0; flex: 1; object-fit: contain; }
.player:fullscreen .player-controls, .player:fullscreen .panel-labels { flex-shrink: 0; }
.player:fullscreen .teaser-stage { width: min(100%, calc((100vh - 100px) * 1440 / 552)); margin: auto; flex-shrink: 0; }
.ego-results { max-width: 880px; margin: 34px auto 0; padding: 24px 28px 20px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.ego-results h3 { font-size: 24px; font-weight: 500; letter-spacing: -.35px; line-height: 1.35; }
.metric-story { margin-top: 10px; font-size: 17px; line-height: 1.7; color: #47513f; text-wrap: pretty; }
.metric-explainer { margin-top: 8px; font-size: 15px; color: #4d5745; }
.metric-legend { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 20px; font-size: 13px; color: #4d5745; }
.metric-legend > span { display: inline-flex; align-items: center; gap: 8px; }
.metric-legend i { width: 12px; height: 12px; flex-shrink: 0; }
.baseline-key { background: #87917f; }
.bird-key { background: #739941; }
.metric-benchmark { margin-top: 0; }
.metric-benchmark + .metric-benchmark { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); }
.metric-benchmark .metric-legend { margin-top: 14px; margin-bottom: 8px; }
.metric-definition { margin-top: 12px; font-size: 13px; color: var(--muted); }
.metric-bar-row { display: grid; grid-template-columns: minmax(0, 1fr) 68px; align-items: center; gap: 16px; min-height: 29px; }
.metric-bar { display: block; width: var(--bar-width); height: 16px; background: #87917f; }
.metric-ours .metric-bar { background: #739941; }
.metric-value { text-align: right; font-size: 20px; line-height: 1.3; font-variant-numeric: tabular-nums; color: #58624e; }
.metric-value small { font-size: 14px; font-weight: 400; }
.metric-ours .metric-value { color: var(--green-text); font-weight: 500; }
.metric-source { margin-top: 18px; font-size: 13px; color: var(--muted); }
.footnote { color: var(--muted); font-size: 12px; line-height: 1.7; }
.study-result { margin-top: 30px; padding-top: 25px; border-top: 1px solid #d9e1d0; }
.study-result h4 { margin-bottom: 18px; }
.preference-bar { display: flex; height: 76px; border-radius: 5px; overflow: hidden; font-size: 25px; font-weight: 600; font-variant-numeric: tabular-nums; }
.preference-bar > span { display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.25; }
.preference-bar small { font-size: 12px; font-weight: 400; margin-top: 5px; }
.preferred-ours { width: 57%; background: #76b900; color: #142000; }
.preferred-baseline { width: 24%; background: #65715b; color: #fff; }
.preferred-tie { width: 19%; background: #e0e5d9; color: #47513d; }
.study-result .footnote { margin-top: 14px; }
.concept-animation { padding: 24px 16px 22px; border: 1px solid var(--line); border-radius: 9px; }
.concept-summary { container-type: inline-size; margin-top: 14px; padding-top: 14px; border-top: 1px solid #edf0e8; text-align: left; font-size: 16px; line-height: 1.65; color: var(--ink); text-wrap: pretty; }
.concept-summary-sentence { display: block; }
@container (min-width: 420px) {
  .concept-summary-detail { display: block; }
}
.concept-summary strong { font-weight: 600; }
.concept-panel-ours .concept-summary strong { color: var(--green-text); }
.concept-panels { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr); grid-template-rows: auto 1fr auto; gap: 0 18px; }
.concept-panel { display: grid; grid-row: span 3; grid-template-rows: subgrid; min-width: 0; }
.concept-panel + .concept-panel { padding-left: 18px; border-left: 1px solid var(--line); }
.concept-panel h3 { font-size: 21px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.concept-panel-ours h3 { color: var(--green-text); }
.concept-flow { display: grid; align-items: center; min-height: 214px; padding: 18px 0 10px; }
.concept-baseline { grid-template-columns: minmax(0, 1fr) 94px minmax(0, 1fr); }
.concept-bird { grid-template-columns: 82px minmax(0, 1fr); }
.concept-stream { min-width: 0; text-align: center; }
.concept-stream video { border-radius: 4px; border: 1px solid #cbd2c6; }
.concept-supplied, .concept-joint { border: 1px solid #d7e5c3; border-radius: 6px; background: #f2f7e9; padding: 10px 8px 8px; }
.concept-supplied video, .concept-joint video { border-color: #8ebd46; }
.concept-role { margin-bottom: 10px; color: var(--muted); text-align: center; font-size: 14px; font-weight: 500; line-height: 1.3; }
.concept-supplied > .concept-role, .concept-joint > .concept-role { color: var(--green-text); }
.concept-modality { margin-top: 7px; font-size: 13px; line-height: 1.3; white-space: nowrap; }
.concept-operation { display: flex; align-items: center; gap: 5px; justify-content: center; font-size: 19px; color: #87917e; }
.concept-operation::before, .concept-operation::after { content: '→'; }
.concept-operation span { padding: 8px 6px; color: #fff; background: #30392d; border-radius: 4px; font-size: 11px; }
.concept-bird > .concept-operation::before { content: none; }
.concept-pair { display: grid; grid-template-columns: 1.768fr 23px 1fr; align-items: start; }
.concept-exchange { align-self: center; margin-top: -23px; text-align: center; color: #7c8872; font-size: 24px; }
.method-section .section-heading > p { max-width: 790px; }
.architecture-figure { margin-top: 40px; }
.architecture-figure img { width: 100%; }
.architecture-figure a { display: block; }
.method-explanation { max-width: 800px; margin: 28px auto 0; text-align: center; color: #4d5745; font-size: 18px; line-height: 1.7; text-wrap: pretty; }
.method-explanation strong { color: var(--ink); font-weight: 500; }
.conditioning-animation { max-width: 720px; margin: 0 auto 36px; }
.conditioning-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 36px; margin: 0 0 16px; padding-left: 52px; font-size: 17px; color: var(--ink); }
.conditioning-header .control-button { width: 30px; height: 30px; flex-shrink: 0; background: transparent; color: var(--muted); }
.conditioning-header .control-button svg { width: 14px; height: 14px; }
.conditioning-legend { display: flex; justify-content: center; gap: 28px; margin-top: 20px; color: var(--muted); font-size: 15px; }
.conditioning-legend > span { display: flex; align-items: center; gap: 8px; }
.conditioning-pair { display: grid; gap: 12px; }
.conditioning-track { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 14px; align-items: center; font-size: 15px; }
.conditioning-frames { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 8px; }
.conditioning-animation i { display: block; height: 38px; border: 1px solid #b9c2b1; border-radius: 2px; background: #fff; }
.conditioning-frames i { transition: background-color .55s ease, border-color .55s ease; }
.conditioning-animation .generated { background: #dce4d4; border-color: #bbc8af; }
.conditioning-animation .given { background: #86ae4d; border-color: #759a40; }
.conditioning-legend i { width: 23px; height: 16px; }
@media (prefers-reduced-motion: reduce) { .conditioning-frames i { transition: none; } }
.conditioning-picker { display: flex; justify-content: center; gap: 32px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.conditioning-picker button { padding: 12px 3px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); font-size: 17px; line-height: 1.4; }
.conditioning-picker button:hover { color: var(--ink); }
.conditioning-picker [aria-pressed="true"] { border-bottom-color: var(--green-text); color: var(--green-text); font-weight: 500; }
.conditioning-gallery > figcaption { max-width: 860px; min-height: 0; margin: 17px auto 0; text-align: center; font-size: 16px; text-wrap: pretty; }
.conditioning-gallery .panel-labels, .action-method-figure .panel-labels { font-size: 15px; }
.action-views { grid-template-columns: 480fr 848fr 480fr; }
.condition-label { color: var(--green-text); background: #f3f7ed; }
.wam-section .section-heading { margin-bottom: 24px; }
.wam-figure { max-width: 816px; margin: auto; }
.wam-figure img { width: 100%; }
.wam-figure figcaption { margin-top: 12px; text-align: center; font-size: 15px; line-height: 1.7; text-wrap: balance; }
.wam-figure figcaption > span { display: block; }
.editing-workspace { display: grid; grid-template-columns: 280px 40px minmax(0, 1fr); gap: 20px; align-items: start; }
.editing-connector { align-self: stretch; display: flex; align-items: center; padding-top: 24px; color: var(--green-text); }
.editing-connector svg { display: block; width: 100%; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.editor-demo, .editing-results { min-width: 0; margin: 0; }
.editing-panel-heading { min-height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 12px; }
.editing-panel-heading h3 { font-size: 20px; font-weight: 500; white-space: nowrap; }
.editor-preview { display: block; width: 100%; aspect-ratio: 640 / 696; margin: 0; padding: 0; border: 1px solid #dce1d5; border-radius: 8px; background: #000; overflow: hidden; }
.editor-preview video { display: block; width: 100%; height: 100%; object-fit: contain; pointer-events: none; }
.editing-picker { display: flex; gap: 20px; align-items: center; }
.editing-picker button { padding: 5px 0; border: 0; border-bottom: 2px solid transparent; background: transparent; font-size: 15px; line-height: 1.4; color: var(--muted); white-space: nowrap; }
.editing-picker button:hover { color: var(--ink); }
.editing-picker [aria-pressed="true"] { color: var(--green-text); border-bottom-color: var(--green-text); }
.editing-results > figcaption { margin-top: 12px; min-height: 0; text-align: left; font-size: 14px; text-wrap: pretty; }
.resource-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 24px; margin-top: 14px; }
.resource-links a { display: inline-flex; align-items: center; gap: 7px; min-height: 36px; padding: 4px 2px; color: var(--green-text); font-size: 16px; font-weight: 500; text-decoration: underline; text-decoration-color: #bccda5; text-decoration-thickness: 1px; text-underline-offset: 5px; transition: text-decoration-color .15s; }
.resource-links svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linejoin: round; stroke-linecap: round; }
.resource-links a:hover, .resource-links a:focus-visible { text-decoration-color: currentColor; }
.resource-links a[aria-disabled="true"] { cursor: default; }
#copy-citation { border: 1px solid var(--line); background: #fff; color: var(--muted); border-radius: 5px; padding: 7px 14px; font-size: 13px; cursor: pointer; }
#copy-citation:hover { border-color: var(--green); }
.prose-container { max-width: 850px; }
.abstract-text { font-size: 17px; line-height: 1.85; color: #47513f; text-wrap: pretty; }
.citation-section { padding-top: 54px; padding-bottom: 48px; }
.citation-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.citation-heading h2 { font-size: 28px; }
pre { margin: 0; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); padding: 22px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 13px; line-height: 1.75; }
pre code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
#copy-status { min-height: 21px; margin-top: 8px; color: var(--muted); font-size: 13px; }
.acknowledgements-section { padding: 16px 0 28px; color: var(--muted); }
.acknowledgements-section h2 { font-size: 14px; font-weight: 500; letter-spacing: 0; margin-bottom: 6px; }
.acknowledgements-section p { font-size: 14px; line-height: 1.7; }
.acknowledgements-section a { text-decoration: underline; text-decoration-color: #bdc8b1; text-underline-offset: 3px; }
.acknowledgements-section a:hover { color: var(--green-text); }
footer { max-width: 1104px; margin: 0 auto; padding: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 22px; color: var(--muted); font-size: 12px; }
footer img { width: 100px; }
footer .footer-counter img { display: block; width: auto; height: 24px; }
footer a:last-child { margin-left: auto; }
@media (max-width: 1100px) {
  html { scroll-padding-top: 76px; }
  body { padding-left: 0; }
  .section-nav { position: sticky; top: 0; left: auto; transform: none; width: 100%; max-height: none; flex-direction: row; gap: 22px; padding: 8px 24px; overflow-x: auto; overflow-y: hidden; background: #fff; border-bottom: 1px solid var(--line); scrollbar-width: thin; scrollbar-color: #dfe4d9 transparent; }
  .nav-group { display: contents; }
  .nav-group-label, .nav-dot { display: none; }
  .section-nav a { flex-shrink: 0; min-height: 32px; padding: 4px 0; border-bottom: 2px solid transparent; font-size: 13px; }
  .section-nav a[aria-current="location"] { border-bottom-color: var(--green); }
}
@media (min-width: 761px) and (max-width: 1000px) {
  .editing-workspace { grid-template-columns: 240px 32px minmax(0, 1fr); gap: 16px; }
  .editing-panel-heading h3 { font-size: 17px; }
  .editing-picker { gap: 14px; }
  .editing-picker button { font-size: 14px; }
}
@media (max-width: 760px) {
  .action-layout { padding: 14px; }
  .action-main { display: flex; flex-direction: column; gap: 40px; }
  .action-forward-space { display: none; }
  .action-condition { width: 100px; padding-top: 0; }
  .action-condition h4 { height: 40px; font-size: 12px; line-height: 16px; }
  .action-output-group { width: 100%; gap: 0 8px; padding: 8px 10px 10px; }
  .action-output-group h4 { height: 40px; font-size: 13px; margin-bottom: 6px; }
  .action-next-step { position: absolute; top: 14px; left: 126px; right: 14px; display: block; height: 146px; }
  .action-trajectory-input { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: max-content; max-width: 100%; padding: 6px 8px; font-size: 13px; line-height: 18px; white-space: normal; text-align: center; }
  .action-reproject-node { position: absolute; top: 70px; left: 50%; transform: translateX(-50%); width: 106px; padding: 5px 8px; font-size: 14px; }
  .action-reproject-node small { font-size: 12px; }
  .action-reuse-label { display: none; }
  .desktop-break { display: none; }
  .site-header { padding: 20px 24px; gap: 20px; }
  .lab-link { font-size: 12px; }
  .brand img { width: 90px; }
  .container { width: calc(100% - 40px); }
  .hero { padding: 38px 20px 48px; }
  .project-name { font-size: 50px; margin-bottom: 16px; }
  .project-subtitle { font-size: 24px; }
  .authors { font-size: 12px; line-height: 1.9; }
  .hero-intro { margin-top: 24px; font-size: 18px; }
  .reading-lines > span { display: inline; }
  .reading-lines { text-wrap: balance; }
  .hero-summary { margin-top: 32px; }
  .hero-summary h2, .hero-summary h3 { font-size: 23px; }
  .hero-summary p { font-size: 17px; }
  .hero-media { margin-top: 28px; }
  .section { padding: 50px 0; }
  h2 { font-size: 28px; letter-spacing: -.6px; }
  .bev-intro-section h2 { font-size: 26px; letter-spacing: -.5px; }
  .section-heading > p { font-size: 16px; }
  h3 { font-size: 22px; }
  body { font-size: 15px; }
  .subsection { margin-top: 36px; }
  .architecture-figure { margin-top: 28px; }
  .abstract-text { font-size: 16px; line-height: 1.8; }
  pre { padding: 16px; font-size: 12px; }
  .citation-heading h2 { font-size: 26px; }
  .wam-figure figcaption { font-size: 14px; }
  .editing-workspace { grid-template-columns: 1fr; gap: 18px; }
  .editing-connector { width: 32px; height: 44px; margin: 0 auto; padding: 0; justify-content: center; }
  .editing-connector svg { width: 44px; max-width: none; flex-shrink: 0; transform: rotate(90deg); }
  .editor-demo { width: min(100%, 320px); margin: 0 auto; }
  .editor-demo .editing-panel-heading { min-height: 0; justify-content: center; padding: 0 0 14px; }
  .editing-panel-heading h3 { font-size: 18px; }
  .editing-picker { gap: 16px; }
  .editing-picker button { font-size: 14px; }
  .method-explanation { font-size: 17px; margin-top: 24px; }
  .conditioning-header { padding-left: 35px; font-size: 15px; }
  .conditioning-track { grid-template-columns: 29px minmax(0, 1fr); gap: 6px; font-size: 13px; }
  .conditioning-frames { gap: 4px; }
  .conditioning-frames i { height: 22px; }
  .conditioning-legend { gap: 18px; font-size: 14px; }
  .conditioning-picker { gap: 20px; }
  .conditioning-picker button { font-size: 15px; }
  .conditioning-gallery .panel-labels, .action-method-figure .panel-labels { font-size: 13px; }
  .action-views > span { padding: 10px 8px; line-height: 1.4; }
  .scene-picker { gap: 6px; }
  .scene-picker button { flex-basis: 128px; }
  .scene-picker img { height: 46px; }
  .scene-picker span { font-size: 11px; }
  .panel-labels { font-size: 12px; }
  .panel-labels > span { padding: 9px 11px; }
  .panel-labels small { font-size: 10px; }
  .ego-comparison-labels small { font-size: 12px; }
  .player-controls { gap: 7px; height: 42px; padding: 3px 7px; }
  .player-time { font-size: 10px; min-width: 58px; }
  .ego-results { padding: 24px 20px 20px; }
  .ego-results h3 { font-size: 22px; }
  .metric-explainer { font-size: 14px; }
  .concept-animation { padding: 20px 14px; }
  .concept-summary { margin-top: 10px; padding-top: 12px; font-size: 15px; }
  .concept-panels { grid-template-columns: 1fr; grid-template-rows: auto; gap: 24px; max-width: 550px; margin: auto; }
  .concept-panel { grid-row: auto; grid-template-rows: auto 1fr auto; }
  .concept-panel + .concept-panel { padding-left: 0; border-left: 0; }
  .concept-flow { min-height: 0; }
  .concept-bird { grid-template-columns: 94px minmax(0, 1fr); }
  .preference-bar { font-size: 22px; }
  .preference-bar small { font-size: 10px; }
  .architecture-figure figcaption { font-size: 12px; }
}
@media (max-width: 480px) {
  .editing-panel-heading { gap: 10px; }
  .editing-results .editing-panel-heading { flex-wrap: wrap; }
  .editing-panel-heading h3 { font-size: 16px; }
  .editing-picker { gap: 12px; }
  .editing-picker button { font-size: 13px; }
  .site-header { padding: 18px 20px; gap: 16px; }
  .project-name { font-size: 45px; }
  .project-subtitle { font-size: 21px; }
  .concept-baseline { grid-template-columns: minmax(0, 1fr) 75px minmax(0, 1fr); }
  .concept-bird { grid-template-columns: 63px minmax(0, 1fr); }
  .concept-operation { gap: 2px; font-size: 15px; }
  .concept-operation span { padding: 6px 4px; font-size: 10px; }
  .concept-role, .concept-modality { font-size: 11px; }
  .concept-pair { grid-template-columns: 1.768fr 18px 1fr; }
  .concept-exchange { font-size: 19px; }
  .concept-supplied, .concept-joint { padding: 8px 5px 6px; }
  .panel-labels > span { padding: 8px; font-size: 11px; }
  .thirds small { font-size: 9px; }
  .ego-comparison-labels small { font-size: 11px; }
  .reading-guide { font-size: 14px; }
  .ego-results { padding: 22px 16px 18px; }
  .ego-results h3 { font-size: 21px; }
  .metric-bar-row { grid-template-columns: minmax(0, 1fr) 65px; gap: 12px; }
  .metric-value { font-size: 19px; }
  footer { gap: 14px; font-size: 11px; padding: 24px 20px; }
  footer img { width: 85px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }