:root {
  color-scheme:light;
  --ink:#182333;
  --muted:#596573;
  --blue:#225ab5;
  --line:#dfe5ed;
  --wash:#f5f7fa;
  --sans:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --serif:"Source Serif 4",Georgia,serif;
}
* {
  box-sizing:border-box;
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:88px;
}
body {
  margin:0;
  color:var(--ink);
  background:#fff;
  font:18px/1.65 var(--sans);
  -webkit-font-smoothing:antialiased;
}
a {
  color:inherit;
  text-decoration:none;
}
a:hover {
  color:var(--blue);
}
button,input {
  font:inherit;
}
button,a,input {
  touch-action:manipulation;
}
button {
  cursor:pointer;
  color:inherit;
}
button:disabled {
  cursor:wait;
}
button,a,input,summary {
  -webkit-tap-highlight-color:transparent;
}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible {
  outline:3px solid #719bf0;
  outline-offset:4px;
}
img,video {
  max-width:100%;
  display:block;
}
figure,p {
  margin:0;
}
button svg,a svg {
  width:20px;
  height:20px;
  flex-shrink:0;
}
h1,h2,h3 {
  margin:0;
  font-weight:600;
  line-height:1.2;
  letter-spacing:-.035em;
  text-wrap:balance;
}
h2 {
  font-size:38px;
}
h3 {
  font-size:25px;
}
p {
  color:var(--muted);
}
.container {
  width:min(1120px,calc(100% - 64px));
  margin-inline:auto;
}
.sr-only,.skip-link:not(:focus) {
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  overflow:hidden;
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}
.skip-link:focus {
  display:block;
  padding:12px 24px;
}
.site-nav {
  height:66px;
  position:sticky;
  top:0;
  z-index:10;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.nav-inner {
  width:min(1280px,calc(100% - 64px));
  margin:auto;
  height:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.wordmark {
  font-weight:600;
  font-size:18px;
  letter-spacing:-.04em;
}
.nav-links {
  display:flex;
  gap:32px;
  font-size:16px;
}
.nav-links a {
  padding-block:16px;
}
.hero {
  text-align:center;
  padding:78px 0 67px;
}
.hero h1 {
  font-size:clamp(44px,5vw,68px);
  line-height:1.1;
  letter-spacing:-.06em;
}
.hero h1 span {
  color:var(--blue);
}
.paper-subtitle {
  font:29px/1.35 var(--serif);
  color:var(--ink);
  max-width:760px;
  margin:16px auto 27px;
  text-wrap:balance;
}
.authors {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px 28px;
  font-size:18px;
}
.authors a {
  color:var(--blue);
}
sup {
  font-size:.65em;
  margin-left:2px;
}
.affiliation {
  margin-top:8px;
  font-size:17px;
}
.hero-links {
  display:flex;
  gap:12px;
  justify-content:center;
  align-items:center;
  margin-top:29px;
}
.button {
  min-height:48px;
  padding:10px 20px;
  border:1px solid var(--line);
  border-radius:7px;
  display:inline-flex;
  gap:10px;
  align-items:center;
  font-size:16px;
  font-weight:500;
  transition:background .15s,border-color .15s;
}
.button:hover {
  background:var(--wash);
  border-color:#a7b9d1;
}
.button.primary {
  color:#fff;
  background:var(--ink);
  border-color:var(--ink);
}
.button.primary:hover {
  background:var(--blue);
  border-color:var(--blue);
}
.text-button {
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 18px;
  font-size:16px;
  color:var(--blue);
}
.abstract-section {
  border-block:1px solid var(--line);
  background:var(--wash);
  padding:45px 0;
}
.abstract-layout {
  display:grid;
  grid-template-columns:190px 1fr;
  gap:50px;
}
.abstract-layout h2 {
  font-size:28px;
  line-height:1.5;
}
.abstract-layout p {
  font:19px/1.72 var(--serif);
  color:#3a4553;
  text-wrap:pretty;
}
.section {
  padding-block:88px;
}
.section-intro {
  max-width:850px;
  margin-bottom:42px;
}
.section-intro>p {
  margin-top:20px;
  font-size:19px;
  line-height:1.75;
  max-width:820px;
}
.demo-heading {
  display:flex;
  align-items:baseline;
  gap:36px;
  margin-bottom:23px;
}
.demo-heading h3 {
  flex:0 0 335px;
  font-size:25px;
}
.demo-heading p {
  font-size:17px;
  line-height:1.65;
  max-width:700px;
}
.second-demo {
  margin-top:70px;
  scroll-margin-top:98px;
}
.demo-player {
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 10px 30px -24px #15305755;
}
.demo-toolbar {
  display:flex;
  gap:15px;
  justify-content:space-between;
  align-items:center;
  min-height:71px;
  padding:0 22px;
  border-bottom:1px solid var(--line);
  background:#fcfdff;
}
.task-tabs {
  display:flex;
  gap:4px;
}
.task-tabs button {
  border:0;
  background:none;
  padding:23px 16px 20px;
  font-size:16px;
  color:var(--muted);
  border-bottom:3px solid transparent;
  font-weight:500;
}
.task-tabs button[aria-selected=true] {
  color:var(--blue);
  border-color:var(--blue);
}
.task-tabs button:hover {
  color:var(--blue);
}
.example-picker {
  display:flex;
  gap:3px;
  background:#edf1f7;
  padding:3px;
  border-radius:6px;
}
.example-picker button {
  border:0;
  background:none;
  padding:5px 11px;
  border-radius:4px;
  font-size:16px;
  color:var(--muted);
}
.example-picker button[aria-pressed=true] {
  background:#fff;
  color:var(--ink);
  box-shadow:0 1px 3px #12253a15;
}
.demo-panel {
  padding:23px 24px 0;
}
.demo-views {
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr) 148px;
  gap:20px;
  align-items:start;
}
.video-view {
  min-width:0;
}
.video-view figcaption {
  padding-bottom:14px;
  border-bottom:3px solid #929aa6;
  margin-bottom:0;
}
.video-view.ap figcaption {
  border-color:var(--blue);
}
.video-view figcaption strong {
  display:block;
  font-weight:600;
  font-size:19px;
  letter-spacing:-.02em;
}
.video-view.ap figcaption strong {
  color:var(--blue);
}
.video-view figcaption span {
  font-size:16px;
  color:var(--muted);
  line-height:1.5;
  display:block;
  margin-top:3px;
}
.video-view video {
  width:100%;
  height:auto;
  aspect-ratio:1;
  object-fit:contain;
  background:#fbfbfb;
}
.run-result {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:12px 0;
  min-height:51px;
  font-size:16px;
  font-variant-numeric:tabular-nums;
}
.status-pill {
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:4px 8px;
  border-radius:4px;
  font-weight:600;
  line-height:1.4;
  color:var(--status-color);
  background:var(--status-background);
}
.status-pill svg {
  width:17px;
  height:17px;
  flex-shrink:0;
}
.run-result.success {
  --status-color:#246c49;
  --status-background:#edf7f0;
}
.run-result.failure {
  --status-color:#9a3535;
  --status-background:#fbefed;
}
.finish-step {
  color:var(--muted);
  white-space:nowrap;
}
.case-summary {
  font-size:16px;
  line-height:1.55;
  margin:17px 0 0;
  color:var(--text);
}
.outcome {
  padding:11px 0 0;
  font-size:16px;
  min-height:36px;
  font-variant-numeric:tabular-nums;
}
.outcome.reached {
  color:#246c49;
  font-weight:500;
}
.goal-view {
  border-left:1px solid var(--line);
  padding:0 0 0 19px;
  align-self:stretch;
}
.goal-view>p:first-child {
  font-size:16px;
  font-weight:500;
  color:var(--ink);
  margin-bottom:12px;
}
.goal-image {
  width:100%;
  aspect-ratio:1;
  object-fit:contain;
  border-radius:3px;
  border:1px solid var(--line);
}
.goal-description {
  font-size:16px;
  line-height:1.65;
  margin-top:14px;
}
.playback {
  display:flex;
  align-items:center;
  gap:15px;
  border-top:1px solid var(--line);
  padding:15px 0;
  margin-top:18px;
}
.playback button {
  border:0;
  background:none;
  display:flex;
  align-items:center;
  justify-content:center;
  min-width:30px;
  min-height:34px;
  padding:4px;
}
.playback .play-button {
  gap:8px;
  justify-content:flex-start;
  min-width:79px;
  font-size:16px;
  font-weight:500;
}
.playback .play-button svg {
  width:17px;
  height:17px;
}
.playback button:hover {
  color:var(--blue);
}
.timeline {
  height:4px;
  flex:1;
  min-width:30px;
  accent-color:var(--blue);
  cursor:pointer;
}
.action-count {
  font-size:16px;
  min-width:81px;
  text-align:right;
  font-variant-numeric:tabular-nums;
  color:var(--muted);
}
.player-message {
  font-size:16px;
  color:var(--muted);
}
.player-message:empty {
  display:none;
}
.player-message:not(:empty) {
  padding-bottom:12px;
}
.selection-note {
  font-size:16px;
  line-height:1.7;
  max-width:925px;
  margin:26px 0 0;
}
.selection-note a {
  color:var(--blue);
  text-decoration:underline;
  text-underline-offset:3px;
}
.selection-note details {
  margin-top:8px;
}
.selection-note summary {
  cursor:pointer;
  color:var(--muted);
  width:fit-content;
}
.selection-note details p {
  margin-top:10px;
}
.insight-section {
  padding:72px 0;
  background:var(--wash);
  border-block:1px solid var(--line);
}
.insight-section .section-intro {
  max-width:900px;
}
.paper-figure {
  width:100%;
  padding:28px;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
}
.paper-figure img {
  width:100%;
  height:auto;
}
.paper-figure figcaption {
  margin-top:24px;
  text-align:center;
  font-size:16px;
  color:var(--muted);
}
.method-figure {
  border:0;
  padding:0 10px;
}
.method-explanation {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  margin-top:40px;
  border-top:1px solid var(--line);
  padding-top:29px;
}
.method-explanation h3 {
  font-size:23px;
  margin-bottom:13px;
}
.method-explanation p {
  font-size:17px;
  line-height:1.8;
}
.results-section {
  background:#f5f7fa;
  border-block:1px solid var(--line);
  padding:80px 0;
}
.result-comparisons {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:70px;
}
.result {
  padding-bottom:25px;
}
.result+.result {
  border-left:1px solid #cbd5e2;
  padding-left:65px;
}
.result h3 {
  font-size:20px;
  margin-bottom:26px;
}
.result-values {
  display:flex;
  align-items:center;
  gap:23px;
}
.result-number {
  display:block;
  font-size:58px;
  line-height:1.1;
  letter-spacing:-.065em;
  font-weight:500;
  color:var(--blue);
  font-variant-numeric:tabular-nums;
}
.result-number>span {
  font-size:29px;
  letter-spacing:-.03em;
  margin-left:2px;
}
.result-number.baseline-number {
  color:#75808d;
}
.result-values p {
  margin-top:9px;
  font-size:16px;
}
.result-arrow {
  font-size:30px;
  color:#8795a6;
  align-self:flex-start;
  margin-top:14px;
}
.result-source {
  font-size:16px;
  padding:19px 0 0;
  border-top:1px solid var(--line);
}
.result-source a {
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--blue);
  margin-left:6px;
}
.result-source svg {
  width:15px;
  height:15px;
}
.result-story {
  display:grid;
  grid-template-columns:315px minmax(0,1fr);
  align-items:center;
  gap:58px;
  padding-top:70px;
  margin-top:35px;
  border-top:1px solid var(--line);
}
.result-story h3 {
  font-size:27px;
  margin-bottom:20px;
}
.result-story p {
  font-size:17px;
  line-height:1.8;
}
.result-story figure {
  padding:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:8px;
}
.result-story img {
  width:100%;
  height:auto;
}
.citation-section {
  display:grid;
  grid-template-columns:300px minmax(0,1fr);
  gap:70px;
}
.citation-intro>p {
  font-size:17px;
  line-height:1.8;
  margin-top:20px;
}
.footer-links {
  display:flex;
  gap:25px;
  margin-top:25px;
  font-size:16px;
}
.footer-links a {
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--blue);
}
.footer-links svg {
  width:17px;
  height:17px;
}
.citation-code {
  background:var(--wash);
  border:1px solid var(--line);
  border-radius:8px;
  padding:20px 23px;
  min-width:0;
}
.citation-code button {
  display:flex;
  gap:8px;
  align-items:center;
  margin-left:auto;
  background:#fff;
  border:1px solid var(--line);
  border-radius:5px;
  padding:7px 10px;
  font-size:16px;
}
.citation-code button svg {
  width:16px;
  height:16px;
}
.citation-code pre {
  margin:19px 0 0;
  white-space:pre-wrap;
  overflow-wrap:anywhere;
  font:13px/1.85 ui-monospace,Consolas,monospace;
  color:#435164;
}
.site-footer {
  display:flex;
  gap:26px;
  align-items:center;
  padding:26px 0 38px;
  border-top:1px solid var(--line);
  font-size:16px;
}
.site-footer>span {
  font-weight:600;
  color:var(--ink);
}
.site-footer>p:last-child {
  margin-left:auto;
}
.site-footer a {
  text-decoration:underline;
  text-underline-offset:3px;
}
.goal-image {
  height:auto;
}
@media(min-width:1550px) {
  .hero {
    padding-top:94px;
    padding-bottom:78px;
  }
}
@media(max-width:1100px) {
  .demo-views {
    grid-template-columns:minmax(0,1fr) minmax(0,1fr) 122px;
    gap:15px;
  }
  .demo-panel {
    padding:20px 19px 0;
  }
  .video-view figcaption span {
    font-size:16px;
  }
  .goal-view {
    padding-left:14px;
  }
  .goal-description {
    font-size:16px;
  }
  .demo-heading {
    gap:28px;
  }
  .demo-heading h3 {
    flex-basis:310px;
  }
  .result-comparisons {
    gap:35px;
  }
  .result+.result {
    padding-left:35px;
  }
  .result-number {
    font-size:48px;
  }
  .result-values {
    gap:15px;
  }
  .result-story {
    grid-template-columns:280px minmax(0,1fr);
    gap:32px;
  }
  .citation-section {
    gap:36px;
    grid-template-columns:250px minmax(0,1fr);
  }
}
@media(max-width:850px) {
  .container {
    width:calc(100% - 40px);
  }
  .nav-inner {
    width:calc(100% - 40px);
  }
  .hero {
    padding:58px 0;
  }
  .hero h1 {
    font-size:49px;
  }
  .paper-subtitle {
    font-size:26px;
    max-width:650px;
  }
  .abstract-layout {
    grid-template-columns:1fr;
    gap:18px;
  }
  .abstract-layout p {
    font-size:19px;
  }
  .abstract-section {
    padding:33px 0;
  }
  .demo-heading {
    display:block;
  }
  .demo-heading p {
    margin-top:11px;
  }
  .demo-heading h3 {
    font-size:25px;
  }
  .section {
    padding-block:65px;
  }
  h2 {
    font-size:33px;
  }
  .demo-views {
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  }
  .goal-view {
    grid-column:1/-1;
    display:grid;
    grid-template-columns:52px 69px 1fr;
    gap:14px;
    align-items:center;
    border-left:0;
    border-top:1px solid var(--line);
    padding:17px 0 0;
  }
  .goal-view>p:first-child,.goal-description {
    margin:0;
  }
  .goal-description {
    font-size:16px;
    max-width:470px;
  }
  .goal-image,.goal-link {
    width:69px;
  }
  .video-view figcaption span {
    font-size:16px;
  }
  .demo-toolbar {
    padding-inline:15px;
  }
  .task-tabs button {
    padding-inline:13px;
  }
  .selection-note {
    font-size:16px;
  }
  .insight-section {
    padding:57px 0;
  }
  .paper-figure {
    padding:18px;
  }
  .method-explanation {
    gap:35px;
  }
  .result-comparisons {
    gap:25px;
  }
  .result+.result {
    padding-left:25px;
  }
  .result-number {
    font-size:44px;
  }
  .result-number>span {
    font-size:22px;
  }
  .result-arrow {
    font-size:25px;
    margin-top:9px;
  }
  .result-values {
    gap:10px;
  }
  .result-values p {
    font-size:16px;
  }
  .result-story {
    grid-template-columns:1fr;
    gap:24px;
    padding-top:43px;
  }
  .result-story>div {
    max-width:720px;
  }
  .result-story p {
    font-size:18px;
  }
  .result-story figure {
    max-width:760px;
    width:100%;
  }
  .citation-section {
    grid-template-columns:1fr;
    gap:26px;
  }
  .citation-intro>p {
    margin-top:12px;
  }
  .site-footer {
    flex-wrap:wrap;
    gap:8px 20px;
  }
  .site-footer>p:last-child {
    margin-left:0;
    flex-basis:100%;
  }
}
@media(max-width:600px) {
  html {
    scroll-padding-top:76px;
  }
  .container {
    width:calc(100% - 36px);
  }
  .site-nav {
    height:57px;
  }
  .nav-inner {
    width:calc(100% - 36px);
  }
  .wordmark {
    font-size:16px;
  }
  .nav-links {
    gap:18px;
    font-size:16px;
  }
  .nav-links a:last-child {
    display:none;
  }
  .hero {
    padding:47px 0 43px;
  }
  .hero h1 {
    font-size:43px;
    max-width:370px;
    margin:auto;
    line-height:1.07;
    letter-spacing:-.06em;
  }
  .hero h1 span {
    display:block;
  }
  .paper-subtitle {
    font-size:23px;
    line-height:1.4;
    margin:17px auto 22px;
    max-width:350px;
  }
  .authors {
    font-size:16px;
    gap:5px 16px;
    max-width:335px;
    margin:auto;
    line-height:1.8;
  }
  .affiliation {
    font-size:16px;
    margin-top:8px;
  }
  .hero-links {
    gap:10px;
    flex-wrap:wrap;
    margin-top:23px;
  }
  .button {
    min-height:44px;
    font-size:16px;
    padding:9px 14px;
  }
  .button svg {
    width:18px;
    height:18px;
  }
  .text-button {
    flex-basis:100%;
    justify-content:center;
    font-size:16px;
    padding:7px;
  }
  .abstract-layout h2 {
    font-size:25px;
  }
  .abstract-layout p {
    font-size:18px;
    line-height:1.75;
  }
  .abstract-layout {
    gap:14px;
  }
  .abstract-section {
    padding:28px 0;
  }
  .section {
    padding:52px 0;
  }
  .section-intro {
    margin-bottom:30px;
  }
  h2 {
    font-size:30px;
    line-height:1.2;
  }
  .section-intro>p {
    font-size:17px;
    line-height:1.75;
    margin-top:16px;
  }
  .demo-heading h3 {
    font-size:23px;
  }
  .demo-heading p {
    font-size:16px;
  }
  .demo-toolbar {
    padding:0 12px 12px;
    display:block;
  }
  .task-tabs {
    justify-content:space-between;
  }
  .task-tabs button {
    font-size:16px;
    padding:17px 10px 13px;
  }
  .example-picker {
    width:fit-content;
    margin-top:12px;
  }
  .example-picker button {
    font-size:16px;
    padding:5px 12px;
  }
  .demo-panel {
    padding:16px 12px 0;
  }
  .demo-views {
    gap:11px;
  }
  .video-view figcaption {
    padding-bottom:10px;
    min-height:78px;
    border-bottom-width:2px;
  }
  .video-view figcaption strong {
    font-size:17px;
  }
  .video-view figcaption span {
    font-size:16px;
    line-height:1.5;
    margin-top:4px;
    max-width:145px;
  }
  .outcome {
    font-size:16px;
    min-height:42px;
    line-height:1.5;
    padding-top:9px;
  }
  .run-result {
    align-items:flex-start;
    flex-direction:column;
    justify-content:flex-start;
    gap:5px;
    padding:10px 0;
    font-size:16px;
    min-height:74px;
  }
  .case-summary {
    font-size:16px;
    margin-top:13px;
  }
  .goal-view {
    grid-template-columns:39px 62px 1fr;
    gap:10px;
    padding-top:13px;
  }
  .goal-image,.goal-link {
    width:62px;
  }
  .goal-view>p:first-child {
    font-size:16px;
  }
  .goal-description {
    font-size:16px;
    line-height:1.6;
  }
  .playback {
    gap:10px;
    margin-top:14px;
    padding:10px 0;
  }
  .playback .play-button {
    min-width:65px;
    font-size:16px;
    gap:5px;
  }
  .playback .play-button svg {
    width:15px;
  }
  .playback .replay-button {
    min-width:25px;
  }
  .playback .replay-button svg {
    width:17px;
  }
  .action-count {
    min-width:65px;
    font-size:16px;
  }
  .second-demo {
    margin-top:45px;
  }
  .selection-note {
    font-size:16px;
    margin-top:22px;
  }
  .insight-section {
    padding:45px 0;
  }
  .paper-figure {
    padding:12px 8px;
  }
  .paper-figure figcaption {
    font-size:16px;
    margin:15px 10px 4px;
  }
  .method-figure {
    padding:0;
    border:0;
  }
  .method-explanation {
    grid-template-columns:1fr;
    gap:25px;
    margin-top:27px;
    padding-top:23px;
  }
  .method-explanation h3 {
    font-size:22px;
    margin-bottom:10px;
  }
  .method-explanation p {
    font-size:16px;
  }
  .results-section {
    padding:50px 0;
  }
  .result-comparisons {
    grid-template-columns:1fr;
    gap:27px;
  }
  .result+.result {
    border-left:0;
    padding-left:0;
    border-top:1px solid var(--line);
    padding-top:25px;
  }
  .result {
    padding-bottom:0;
  }
  .result h3 {
    font-size:18px;
    margin-bottom:20px;
  }
  .result-values {
    gap:25px;
  }
  .result-number {
    font-size:55px;
  }
  .result-number>span {
    font-size:25px;
  }
  .result-values p {
    font-size:16px;
  }
  .result-arrow {
    font-size:29px;
    margin-top:10px;
  }
  .result-source {
    font-size:16px;
    margin-top:28px;
  }
  .result-source a {
    margin:7px 0 0;
  }
  .result-story {
    margin-top:30px;
    padding-top:30px;
    gap:22px;
  }
  .result-story h3 {
    font-size:25px;
    margin-bottom:13px;
  }
  .result-story p {
    font-size:16px;
  }
  .result-story figure {
    padding:12px;
  }
  .citation-intro>p {
    font-size:16px;
  }
  .footer-links {
    font-size:16px;
    margin-top:17px;
  }
  .citation-code {
    padding:14px;
  }
  .citation-code pre {
    font-size:16px;
    line-height:1.8;
  }
  .site-footer {
    font-size:16px;
    line-height:1.8;
    padding-bottom:25px;
  }
}
@media(max-width:600px) {
  .result-comparisons {
    grid-template-columns:minmax(0,1fr);
  }
  .result {
    min-width:0;
  }
  .result-number {
    font-size:clamp(42px,13vw,55px);
  }
  .result-values {
    gap:clamp(12px,6vw,25px);
  }
}
@media(max-width:360px) {
  .task-tabs {
    gap:0;
  }
  .task-tabs button {
    padding-inline:7px;
    font-size:16px;
  }
  .video-view figcaption {
    min-height:94px;
  }
}
.switch-buttons {
  display:flex;
  flex-wrap:wrap;
  border:1px solid #ced8e6;
  padding:4px;
  border-radius:7px;
  width:fit-content;
  background:#fff;
  gap:3px;
}
.switch-buttons button {
  background:none;
  border:0;
  border-radius:4px;
  padding:8px 14px;
  font-size:16px;
  color:var(--muted);
  white-space:nowrap;
}
.switch-buttons button[aria-pressed=true] {
  color:#fff;
  background:var(--blue);
}
.switch-buttons button:hover {
  color:var(--blue);
  background:#eaf0f9;
}
.switch-buttons button[aria-pressed=true]:hover {
  color:#fff;
  background:#174c9e;
}
.inline-link {
  font-size:16px;
  color:var(--blue);
  display:inline-block;
  margin-top:19px;
}
.target-explainer {
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  padding:28px 30px;
}
.target-controls {
  display:flex;
  align-items:center;
  gap:25px;
  justify-content:space-between;
}
.target-controls h3 {
  font-size:22px;
  max-width:350px;
}
.explainer-layout {
  display:grid;
  grid-template-columns:minmax(0,1.8fr) minmax(0,1fr);
  gap:30px;
  align-items:center;
  margin-top:22px;
}
.target-diagram {
  width:100%;
  height:auto;
  overflow:visible;
}
.target-diagram text {
  font:21px var(--sans);
  fill:var(--muted);
}
.recorded-route {
  fill:none;
  stroke:#bac8d9;
  stroke-width:3;
  stroke-dasharray:9 8;
}
.action-path {
  fill:none;
  stroke:#b9c2cf;
  stroke-width:3;
  marker-end:url(#arrowhead);
  transition:stroke .2s;
}
.action-path.chosen {
  stroke:var(--blue);
  stroke-width:4;
}
.candidate-point {
  fill:#97a5b6;
  transition:fill .2s;
}
.candidate-point.chosen {
  fill:var(--blue);
}
.score-line {
  stroke:#d4dce6;
  stroke-width:2;
  stroke-dasharray:4 6;
  opacity:.65;
}
.score-line.chosen {
  stroke:#537dab;
  opacity:1;
}
#final-target-point {
  fill:white;
  stroke:#526171;
  stroke-width:2;
}
#final-target-point.active-target {
  fill:#526171;
}
#observed-target-point {
  fill:white;
  stroke:var(--blue);
  stroke-width:3;
}
#observed-target-point.active-target {
  fill:var(--blue);
}
.explainer-text .selected-action {
  font-size:24px;
  font-weight:500;
  color:var(--blue);
  line-height:1.35;
  margin-bottom:16px;
}
.explainer-text p {
  font-size:17px;
  line-height:1.8;
}
.explainer-text .geometry-note {
  font-size:16px;
  border-top:1px solid var(--line);
  margin-top:23px;
  padding-top:16px;
}
.full-results {
  margin-top:58px;
}
.analysis-heading {
  max-width:960px;
  margin-bottom:28px;
}
.analysis-heading h3 {
  font-size:28px;
  max-width:800px;
  margin-bottom:18px;
}
.analysis-heading p {
  font-size:18px;
  line-height:1.8;
}
.result-filters {
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:14px;
  margin-bottom:22px;
}
.table-scroll {
  width:100%;
  overflow-x:auto;
  border-block:1px solid #cad4e1;
}
.data-table {
  width:100%;
  border-collapse:collapse;
  font-size:16px;
  line-height:1.6;
  font-variant-numeric:tabular-nums;
}
.data-table caption {
  text-align:left;
  color:var(--muted);
  padding-bottom:15px;
}
.data-table th,.data-table td {
  padding:13px 16px;
  text-align:right;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.data-table th:first-child {
  text-align:left;
  font-weight:500;
}
.data-table thead th {
  font-size:16px;
  color:var(--muted);
  font-weight:500;
  background:rgba(255,255,255,.65);
}
.data-table tbody tr:last-child>* {
  border-bottom:0;
}
.data-table strong {
  font-weight:600;
  color:var(--ink);
}
.data-table .ap-column {
  color:var(--blue);
  background:#edf3fc;
  font-weight:600;
}
.data-table .mean-row>* {
  border-top:2px solid #c6d3e4;
  font-weight:600;
}
.table-description {
  font-size:16px;
  line-height:1.8;
  margin-top:17px;
  max-width:980px;
}
.analysis-block {
  padding-top:56px;
  margin-top:56px;
  border-top:1px solid var(--line);
}
.analysis-block:first-of-type {
  padding-top:0;
  border-top:0;
  margin-top:0;
}
.analysis-block .paper-figure {
  padding:20px;
}
.quality-table {
  min-width:555px;
}
.quality-table thead th[colspan] {
  text-align:center;
}
.analysis-filter {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:15px;
  margin-bottom:26px;
}
.analysis-filter>span {
  font-size:16px;
  color:var(--muted);
}
.ablation-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
}
.ablation-grid h4,.retrieval-study h4 {
  font-size:21px;
  font-weight:500;
  line-height:1.4;
  letter-spacing:-.025em;
  margin:0 0 19px;
}
.ablation-grid .data-table {
  font-size:16px;
  border-block:1px solid #cdd7e4;
}
.ablation-grid .data-table td,.ablation-grid .data-table th {
  padding-inline:10px;
}
.retrieval-study {
  display:grid;
  grid-template-columns:1fr 1.3fr;
  gap:55px;
  margin-top:45px;
  padding-top:36px;
  border-top:1px solid var(--line);
}
.retrieval-study p {
  font-size:17px;
  line-height:1.8;
}
.bar-row {
  margin-bottom:18px;
}
.bar-row:last-child {
  margin-bottom:0;
}
.bar-row>div:first-child {
  display:flex;
  justify-content:space-between;
  gap:20px;
  font-size:16px;
  margin-bottom:7px;
}
.bar-row strong {
  font-weight:500;
  color:var(--blue);
}
.bar-track {
  height:7px;
  background:#edf1f6;
  border-radius:3px;
  overflow:hidden;
}
.bar-track span {
  display:block;
  height:100%;
  background:var(--blue);
  border-radius:3px;
  transition:width .25s;
}
.anchoring-study {
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:60px;
  align-items:center;
}
.anchoring-study h3 {
  font-size:28px;
  margin-bottom:19px;
}
.anchoring-study p {
  font-size:17px;
  line-height:1.8;
  margin-top:15px;
}
.anchor-table {
  font-size:16px;
}
.anchor-table th,.anchor-table td {
  padding:12px 10px;
}
.scope-note {
  margin-top:55px;
  padding:26px 30px;
  background:var(--wash);
  border-left:3px solid #9db6d7;
}
.scope-note h3 {
  font-size:21px;
  margin-bottom:13px;
}
.scope-note p {
  font-size:17px;
  line-height:1.8;
}
@media(max-width:850px) {
  .target-controls {
    align-items:flex-start;
  }
  .target-controls h3 {
    font-size:21px;
  }
  .explainer-layout {
    grid-template-columns:1fr;
    gap:12px;
  }
  .target-diagram {
    max-width:650px;
    margin:auto;
  }
  .explainer-text .geometry-note {
    padding-top:12px;
    margin-top:16px;
  }
  .ablation-grid {
    gap:28px;
  }
  .data-table td,.data-table th {
    padding-inline:10px;
  }
  .retrieval-study {
    grid-template-columns:1fr;
    gap:25px;
  }
  .anchoring-study {
    grid-template-columns:1fr;
    gap:30px;
  }
  .anchor-table {
    max-width:550px;
  }
}
@media(max-width:600px) {
  .authors {
    display:grid;
    grid-template-columns:repeat(2,max-content);
    gap:5px 25px;
  }
  .nav-links a[href="#method"] {
    display:none;
  }
  .target-explainer {
    padding:21px 15px;
  }
  .target-controls {
    display:block;
  }
  .target-controls h3 {
    font-size:22px;
    margin-bottom:17px;
  }
  .switch-buttons button {
    font-size:16px;
    padding:8px 11px;
  }
  .explainer-layout {
    margin-top:20px;
  }
  .target-diagram text {
    font-size:22px;
  }
  .explainer-text .selected-action {
    font-size:22px;
    margin-top:10px;
  }
  .explainer-text p {
    font-size:16px;
  }
  .analysis-heading h3 {
    font-size:25px;
  }
  .analysis-heading p {
    font-size:16px;
  }
  .full-results {
    margin-top:39px;
  }
  .result-filters {
    gap:12px;
    margin-bottom:17px;
  }
  .full-results .data-table {
    min-width:490px;
    font-size:16px;
  }
  .data-table th,.data-table td {
    padding:11px 10px;
  }
  .data-table thead th {
    font-size:16px;
  }
  .table-description {
    font-size:16px;
  }
  .analysis-block {
    padding-top:37px;
    margin-top:37px;
  }
  .analysis-block .paper-figure {
    padding:10px;
  }
  .analysis-filter {
    display:block;
  }
  .analysis-filter>span {
    display:block;
    margin-bottom:13px;
  }
  .ablation-grid {
    grid-template-columns:1fr;
    gap:30px;
  }
  .retrieval-study {
    margin-top:29px;
    padding-top:26px;
  }
  .retrieval-study p,.anchoring-study p,.scope-note p {
    font-size:16px;
  }
  .anchoring-study h3 {
    font-size:25px;
  }
  .anchor-table {
    font-size:16px;
  }
  .anchor-table th,.anchor-table td {
    padding-inline:6px;
  }
  .scope-note {
    margin-top:38px;
    padding:21px;
  }
  .bar-row>div:first-child {
    font-size:16px;
  }
  .citation-section {
    padding-top:12px;
  }
}
@media(max-width:360px) {
  .nav-links {
    gap:10px;
    font-size:16px;
  }
  .wordmark {
    font-size:16px;
  }
  .switch-buttons button {
    font-size:16px;
    padding-inline:8px;
  }
}
.target-explainer {
  --selection:var(--blue);
}
.target-explainer[data-scoring=final] {
  --selection:#667280;
}
.target-explainer .action-path.chosen {
  stroke:var(--selection);
}
.target-explainer .candidate-point.chosen {
  fill:var(--selection);
}
.target-explainer .selected-action {
  color:var(--selection);
}
.target-explainer [data-target=final][aria-pressed=true] {
  background:#667280;
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
  * {
    transition:none!important;
  }
}

/* The first viewport includes a paired replay. */
.hero-layout {
  max-width:1280px;
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  align-items:center;
  gap:44px;
  padding-top:44px;
  padding-bottom:48px;
  text-align:left;
}
.hero-copy { min-width:0; }
.hero-copy h1 { font-size:clamp(40px,4.6vw,66px);line-height:1.08;margin:0 0 24px; }
.hero-copy .paper-subtitle { font-size:26px;line-height:1.4;margin:0 0 24px;max-width:550px; }
.hero-copy .authors { justify-content:flex-start;gap:8px 20px;font-size:18px; }
.hero-copy .affiliation { margin:12px 0 24px;font-size:18px; }
.hero-copy .hero-links { justify-content:flex-start;gap:12px;flex-wrap:wrap; }
.hero-copy .text-button { margin:0;padding:10px 0;font-size:16px; }
.abstract-section { padding-top:35px;padding-bottom:45px; }
.demo-group + .demo-group { margin-top:64px; }
.demo-heading { margin-bottom:25px; }
.demo-grid { display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px; }
.demo-card { min-width:0;overflow:hidden;background:#fff; }
.card-task { font-size:24px;line-height:1.35;margin:0;padding:20px 22px 8px; }
.demo-card .demo-panel { padding:12px 20px 0; }
.demo-card .demo-views { display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px; }
.demo-card .video-view figcaption { min-height:50px;padding-bottom:10px;margin:0;border-bottom-width:2px; }
.demo-card .video-view figcaption strong { font-size:18px;line-height:1.4; }
.demo-card .video-view video { display:block; }
.demo-card .run-result { font-size:16px;align-items:flex-start;flex-direction:column;justify-content:flex-start;gap:4px;min-height:82px;padding:10px 0; }
.demo-card .status-pill { padding:3px 7px; }
.demo-card .outcome { font-size:16px;min-height:35px;padding-top:8px;line-height:1.4; }
.demo-card .goal-view { grid-column:1/-1;display:grid;grid-template-columns:42px 58px minmax(0,1fr);align-items:center;gap:12px;border:0;border-top:1px solid var(--line);padding:14px 0 4px;margin-top:5px; }
.demo-card .goal-view>p:first-child { font-size:16px;margin:0; }
.demo-card .goal-link,.demo-card .goal-image { display:block;width:58px;height:58px;max-width:none; }
.demo-card .goal-description { font-size:16px;line-height:1.45;margin:0; }
.demo-card .playback { display:grid;grid-template-columns:auto auto minmax(30px,1fr) auto;gap:10px;align-items:center;padding:16px 0;margin-top:12px; }
.demo-card .playback button,.demo-card .action-count { font-size:16px;white-space:nowrap; }
.demo-card .playback .timeline { min-width:0;width:100%; }
.demo-card .player-message { font-size:16px; }
.hero-demo .card-task { font-size:22px; }
.hero-demo .goal-view { display:none; }
.more-examples { margin-top:26px; }
.more-examples summary { width:fit-content;border:1px solid #b9c7da;border-radius:5px;padding:11px 18px;font-size:18px;font-weight:500;cursor:pointer;color:var(--blue); }
.more-examples[open] summary { margin-bottom:26px; }
.selection-note { font-size:16px;line-height:1.7;max-width:960px;margin-top:32px; }
.data-table th,.data-table td,.table-description,.result-source { font-size:16px; }
.citation-code pre,.citation-code code { font-size:16px; }
.site-footer,.site-footer p,.site-footer a { font-size:16px; }
.site-nav a,.button,.switch-buttons button { font-size:16px; }
@media(max-width:1000px) {
  .hero-layout { gap:28px;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); }
  .hero-copy .paper-subtitle { font-size:23px; }
  .hero-copy .authors { display:grid;grid-template-columns:1fr 1fr;gap:8px; }
  .demo-grid { gap:18px; }
  .demo-card .demo-panel { padding:10px 14px 0; }
  .card-task { padding:18px 15px 6px; }
}
@media(max-width:800px) {
  .hero-layout { display:flex;flex-direction:column;gap:30px;padding-top:32px; }
  .hero-copy { width:100%; }
  .hero-copy h1 { font-size:44px; }
  .hero-copy .paper-subtitle { font-size:23px; }
  .hero-demo { width:100%;max-width:620px; }
  .demo-grid { grid-template-columns:minmax(0,1fr);gap:24px; }
  .demo-card .demo-panel { padding:12px 20px 0; }
  .card-task { padding:20px 22px 8px; }
  .site-nav .nav-links a[href="#method"],.site-nav .nav-links a[href="#citation"] { display:none; }
}
@media(max-width:600px) {
  .hero-copy h1 { font-size:40px; }
  .hero-copy .authors { display:grid;grid-template-columns:1fr 1fr;font-size:17px; }
  .hero-copy .paper-subtitle { font-size:22px; }
  .hero-copy .button { padding:11px 12px; }
  .site-nav .nav-links a[href="#analysis"] { display:none; }
  .nav-inner { gap:12px; }
  .site-nav .nav-links { gap:12px; }
  .demo-card .demo-panel { padding:10px 12px 0; }
  .card-task { font-size:22px;padding:17px 14px 6px; }
  .demo-card .demo-views { gap:10px; }
  .demo-card .video-view figcaption { min-height:52px; }
  .demo-card .video-view figcaption strong { font-size:16px; }
  .demo-card .goal-view { grid-template-columns:40px 50px minmax(0,1fr);gap:9px; }
  .demo-card .goal-link,.demo-card .goal-image { width:50px;height:50px; }
  .demo-card .playback { gap:7px;grid-template-columns:auto auto minmax(26px,1fr); }
  .demo-card .action-count { grid-column:1/-1;text-align:right; }
  .hero-demo .card-task { font-size:20px; }
  .more-examples summary { font-size:17px; }
  .citation-code pre { padding:60px 16px 22px; }
}