:root {
  --bg: #fbfaf7;
  --bg-2: #f4f2ed;
  --surface: #ffffff;
  --line: rgba(24, 26, 32, 0.10);
  --line-2: rgba(24, 26, 32, 0.20);
  --ink: #16181d;
  --mute: #565b63;
  --faint: #8b8f98;
  --agent: #4f56dd;
  --state: #0c8a67;
  --shadow: 0 1px 2px rgba(20, 22, 28, 0.05), 0 10px 30px -14px rgba(20, 22, 28, 0.16);
  --disp: "Space Grotesk", "Segoe UI", sans-serif;
  --sans: "Instrument Sans", "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", Consolas, monospace;
  --content: 1040px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  position: relative;
  z-index: 1;
  width: min(var(--content), calc(100% - 48px));
  margin: 0 auto;
}

.publication-hero {
  position: relative;
  overflow: hidden;
  padding: 82px 0 76px;
  text-align: center;
}

.publication-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(24, 26, 32, 0.13) 1px, transparent 1px);
  background-size: 23px 23px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.68), transparent 46%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.68), transparent 46%);
}

.publication-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(760px 340px at 50% -120px, rgba(79, 86, 221, 0.09), transparent 70%);
}

h1 {
  max-width: 980px;
  margin: 0 auto;
  color: var(--ink);
  font-family: var(--disp);
  font-size: clamp(38px, 5vw, 58px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 span { display: block; }

h1 .subtitle-line {
  margin-top: 8px;
  color: var(--state);
  font-size: 0.68em;
  font-weight: 500;
}

.authors {
  margin-top: 27px;
  color: var(--mute);
  font-family: var(--sans);
  font-size: clamp(16px, 2vw, 19px);
}

.authors a {
  color: var(--state);
  text-decoration: none;
  border-bottom: 1px solid rgba(12, 138, 103, 0.28);
}

.authors a:hover { border-bottom-color: var(--state); }

.authors sup,
.affiliations sup {
  position: relative;
  top: -0.18em;
  margin-left: 2px;
  font-family: var(--mono);
  font-size: 0.58em;
  color: var(--faint);
}

.affiliations {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 24px;
  margin-top: 7px;
  color: var(--mute);
  font-size: 14.5px;
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 26px;
}

.publication-links a {
  min-width: 100px;
  padding: 9px 19px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: #fdfdfb;
  box-shadow: 0 1px 2px rgba(20, 22, 28, 0.04);
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.25;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.publication-links a:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.publication-links a:focus-visible {
  outline: 2px solid var(--agent);
  outline-offset: 3px;
}

.intro-video {
  width: 100%;
  margin-top: 46px;
  aspect-ratio: 7 / 4;
  overflow: hidden;
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: #0b0c10;
  box-shadow: var(--shadow);
}

.intro-standalone-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000000;
}

.compare-stage {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0b0c10;
}

.compare-video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.compare-generated {
  z-index: 1;
  clip-path: inset(0 calc(100% - var(--split, 50%)) 0 0);
}

.compare-label {
  position: absolute;
  z-index: 3;
  top: 16px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 5px;
  background: rgba(10, 11, 14, 0.68);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  pointer-events: none;
}

.generated-label { left: 16px; color: #ff9b85; }
.proxy-label { right: 16px; color: #6ee7ef; }

.compare-divider {
  position: absolute;
  z-index: 4;
  top: 0;
  bottom: 54px;
  left: var(--split, 50%);
  width: 34px;
  transform: translateX(-50%);
  cursor: ew-resize;
  touch-action: none;
}

.compare-divider::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.58);
}

.compare-grip {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  background: rgba(15, 16, 20, 0.82);
  color: #ffffff;
  font-size: 18px;
  line-height: 1;
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.28);
}

.compare-divider:focus-visible .compare-grip {
  outline: 3px solid rgba(79, 86, 221, 0.65);
  outline-offset: 3px;
}

.compare-loader {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: 50%;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 5px;
  background: rgba(10, 11, 14, 0.76);
  color: rgba(255, 255, 255, 0.82);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
  transform: translate(-50%, -50%);
  cursor: pointer;
  transition: color 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.compare-loader:hover:not(:disabled) {
  border-color: rgba(110, 231, 239, 0.48);
  background: rgba(18, 24, 30, 0.9);
  color: #ffffff;
}

.compare-loader:focus-visible {
  outline: 2px solid rgba(110, 231, 239, 0.9);
  outline-offset: 2px;
}

.compare-loader:disabled { cursor: progress; }
.compare-player.ready .compare-loader { display: none; }
.compare-player.load-error .compare-loader { color: #ff9b85; cursor: default; }

.agent-control-player.ready .compare-loader { display: none; }
.agent-control-player.load-error .compare-loader { color: #ff9b85; cursor: default; }

.compare-player:fullscreen .compare-loader,
.compare-player:-webkit-full-screen .compare-loader,
.agent-control-player:fullscreen .compare-loader,
.agent-control-player:-webkit-full-screen .compare-loader {
  display: none;
}

.compare-controls {
  position: absolute;
  z-index: 6;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 9px 12px;
  background: rgba(8, 9, 12, 0.82);
  color: #ffffff;
}

.compare-control {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: #ffffff;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}

.compare-control:hover { background: rgba(255, 255, 255, 0.12); }
.compare-control:focus-visible { outline: 2px solid #ffffff; outline-offset: 1px; }
.compare-control:disabled { opacity: 0.38; cursor: default; }
.compare-control:disabled:hover { background: transparent; }
.fullscreen-control { font-size: 19px; }

.compare-time {
  flex: 0 0 auto;
  min-width: 92px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.82);
}

.compare-progress {
  flex: 1 1 auto;
  min-width: 70px;
  height: 4px;
  margin: 0;
  accent-color: #ffffff;
  cursor: pointer;
}

.compare-progress:disabled { cursor: default; opacity: 0.42; }

.compare-player:fullscreen,
.compare-player:-webkit-full-screen {
  display: grid;
  place-items: center;
  width: 100vw;
  height: 100vh;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: #000000;
  box-shadow: none;
}

.compare-player:fullscreen .compare-stage,
.compare-player:-webkit-full-screen .compare-stage {
  width: min(100vw, calc(100vh * 16 / 9));
  height: auto;
  max-height: 100vh;
  aspect-ratio: 16 / 9;
}

.abstract-section {
  padding: 64px 0 68px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.abstract-section .container { max-width: 850px; }

.abstract-section h2 {
  margin: 0 0 20px;
  color: var(--ink);
  font-family: var(--disp);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0;
  text-align: center;
}

.abstract-section p {
  margin: 0;
  color: var(--mute);
  font-size: 16.5px;
  line-height: 1.72;
  text-align: left;
}

.abstract-section strong {
  color: var(--ink);
  font-weight: 600;
}

.figure-section {
  padding: 64px 0 68px;
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.pipeline-section {
  padding-bottom: 72px;
}

.figure2 {
  margin: 28px auto 0;
}

.figure2-image {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.figure-section h2 {
  margin: 0 0 26px;
  color: var(--ink);
  font-family: var(--disp);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0;
  text-align: center;
}

.paper-figure { margin: 0; }

.figure3-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.figure3-pair { min-width: 0; }

.figure3-images {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.figure3-image { min-width: 0; text-align: center; }

.figure3-image img {
  display: block;
  width: 100%;
  aspect-ratio: 7 / 4;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #0b0c10;
  object-fit: cover;
}

.figure3-image span {
  display: block;
  margin-top: 7px;
  color: var(--mute);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.figure3-pair h3 {
  margin: 8px 0 0;
  color: var(--ink);
  font-family: var(--disp);
  font-size: 15px;
  font-weight: 500;
  text-align: center;
}

.paper-figure figcaption {
  max-width: 920px;
  margin: 22px auto 0;
  color: var(--mute);
  font-size: 13.6px;
  line-height: 1.62;
}

.paper-figure figcaption strong {
  color: var(--ink);
  font-weight: 600;
}

.gallery-section {
  padding: 64px 0 72px;
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.gallery-section h2 {
  margin: 0 0 26px;
  color: var(--ink);
  font-family: var(--disp);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0;
  text-align: center;
}

.video-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px 24px;
}

.control-world-section {
  background: var(--bg-2);
}

.control-world-section h2 {
  margin-bottom: 12px;
}

.control-world-description,
.long-horizon-description {
  max-width: 820px;
  margin: 0 auto 30px;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.65;
  text-align: center;
}

.control-world-gallery {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px 26px;
}

.long-horizon-section {
  background: var(--surface);
}

.long-horizon-section h2 {
  margin-bottom: 12px;
}

.long-horizon-gallery {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px 26px;
}

.agent-control-item {
  min-width: 0;
  margin: 0;
}

.agent-control-stage {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 7 / 4;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #090b0d;
}

.agent-control-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000000;
}

.agent-control-item figcaption {
  display: grid;
  gap: 3px;
  margin-top: 9px;
  color: var(--mute);
  font-size: 12px;
  line-height: 1.35;
  text-align: center;
}

.gallery-item {
  min-width: 0;
  margin: 0;
}

.gallery-compare {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  padding-bottom: 34px;
  background: #090b0d;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.gallery-compare::before {
  content: "";
  display: block;
  width: 100%;
  aspect-ratio: 7 / 4;
}

.gallery-compare video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: calc(100% - 34px);
  object-fit: contain;
}

.gallery-label {
  position: absolute;
  z-index: 4;
  top: 7px;
  padding: 3px 6px;
  color: #fff;
  background: rgba(0, 0, 0, 0.58);
  border-radius: 3px;
  font-size: 8px;
  font-weight: 600;
  line-height: 1;
}

.gallery-label-rgb { left: 7px; }
.gallery-label-proxy { right: 7px; }

.gallery-item[data-display-mode="pip"] .compare-generated {
  z-index: 1;
  clip-path: none;
}

.gallery-item[data-display-mode="pip"] .compare-proxy {
  z-index: 3;
  inset: 12px auto auto 12px;
  width: clamp(96px, 28%, 320px);
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: contain;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 4px;
  background: #000000;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.45);
}

.gallery-item[data-display-mode="pip"] .gallery-label-rgb,
.gallery-item[data-display-mode="pip"] .compare-divider {
  display: none;
}

.gallery-item[data-display-mode="pip"] .gallery-label-proxy {
  z-index: 4;
  top: 17px;
  right: auto;
  left: 17px;
}

.gallery-player .compare-divider {
  bottom: 34px;
  width: 24px;
}

.gallery-player .compare-grip {
  width: 24px;
  height: 24px;
  font-size: 11px;
}

.gallery-player .compare-controls {
  min-height: 34px;
  gap: 4px;
  padding: 4px 5px;
}

.gallery-player .compare-control {
  width: 24px;
  height: 24px;
  font-size: 12px;
}

.gallery-player .compare-time {
  display: block;
  min-width: 76px;
  margin-left: 2px;
  font-size: 9px;
  line-height: 1;
  text-align: right;
  white-space: nowrap;
}

.gallery-player .compare-progress {
  min-width: 24px;
}

.gallery-player:fullscreen > figcaption,
.gallery-player:-webkit-full-screen > figcaption {
  display: none;
}

.gallery-player:fullscreen .compare-stage,
.gallery-player:-webkit-full-screen .compare-stage {
  width: min(100vw, calc((100vh - 34px) * 7 / 4));
  aspect-ratio: auto;
}

.gallery-item figcaption {
  margin-top: 7px;
  color: var(--mute);
  font-size: 12px;
  line-height: 1.35;
  text-align: center;
}

.bibtex {
  padding: 60px 0 76px;
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}

.bibtex h2 {
  margin: 0 0 18px;
  color: var(--ink);
  font-family: var(--disp);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0;
}

.bibtex pre {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12.6px;
  line-height: 1.65;
  text-align: left;
}

/* Reserved for later proxy/generated examples in this same template. */
.media-wipe {
  position: relative;
  aspect-ratio: 1344 / 576;
  overflow: hidden;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: #0b0c10;
  box-shadow: var(--shadow);
  cursor: ew-resize;
  touch-action: pan-y;
  user-select: none;
}

.media-wipe video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-wipe .wipe-top {
  clip-path: inset(0 calc(100% - var(--split, 61.8%)) 0 0);
}

.media-wipe .wipe-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--split, 61.8%);
  width: 2px;
  margin-left: -1px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.55);
  pointer-events: none;
}

.media-wipe .wipe-divider::after {
  content: "\2194";
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1.5px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  background: rgba(12, 13, 17, 0.82);
  color: #ffffff;
  font-size: 15px;
  transform: translate(-50%, -50%);
}

@media (max-width: 900px) {
  .video-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 20px; }
}

@media (max-width: 640px) {
  .container { width: min(var(--content), calc(100% - 28px)); }
  .publication-hero { padding: 54px 0 56px; }
  h1 { font-size: 38px; }
  h1 .subtitle-line { margin-top: 10px; font-size: 0.66em; line-height: 1.18; }
  .authors { margin-top: 23px; font-size: 16.5px; }
  .affiliations { gap: 2px 14px; margin-top: 9px; font-size: 13px; }
  .publication-links { gap: 8px; margin-top: 22px; }
  .publication-links a { min-width: 88px; padding: 8px 14px; font-size: 14px; }
  .intro-video { margin-top: 38px; border-radius: 10px; }
  .compare-label { top: 10px; padding: 4px 7px; font-size: 8px; }
  .generated-label { left: 10px; }
  .proxy-label { right: 10px; }
  .compare-divider { bottom: 48px; }
  .compare-grip { width: 34px; height: 34px; font-size: 15px; }
  .compare-controls { min-height: 48px; gap: 5px; padding: 7px 8px; }
  .compare-control { width: 30px; height: 30px; }
  .compare-time { min-width: 75px; font-size: 9px; }
  .gallery-player .compare-time {
    position: absolute;
    right: 5px;
    bottom: 38px;
    min-width: 0;
    margin: 0;
    padding: 3px 5px;
    border-radius: 3px;
    background: rgba(8, 9, 12, 0.76);
    font-size: 8px;
  }
  .abstract-section { padding: 46px 0 50px; }
  .abstract-section h2 { font-size: 26px; }
  .abstract-section p { font-size: 15px; line-height: 1.68; }
  .figure-section { padding: 46px 0 50px; }
  .figure-section h2 { margin-bottom: 22px; font-size: 26px; }
  .figure3-grid { grid-template-columns: 1fr; gap: 24px; }
  .paper-figure figcaption { margin-top: 20px; font-size: 12.6px; line-height: 1.58; }
  .gallery-section { padding: 46px 0 52px; }
  .gallery-section h2 { margin-bottom: 22px; font-size: 26px; }
  .video-gallery { grid-template-columns: 1fr; gap: 24px; }
  .gallery-item figcaption { font-size: 10.5px; }
  .bibtex { padding: 44px 0 58px; }
  .bibtex h2 { font-size: 26px; }
  .bibtex pre { padding: 16px; font-size: 11.5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .publication-links a { transition: none; }
}