@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css");

:root {
  color-scheme: light;
  --ink: #17201d;
  --muted: #64716b;
  --paper: #f7f2e8;
  --paper-strong: #fffaf0;
  --panel: rgba(255, 250, 240, 0.88);
  --line: #d7c9b0;
  --line-strong: #a78f67;
  --steel: #213f4f;
  --blueprint: #0e4b5f;
  --orange: #c96f2d;
  --green: #5f7c3b;
  --red: #a5483b;
  --yellow: #d8ad3f;
  --cornell-red: #b31b1b;
  --mbzuai-teal: #007a70;
  --ucb-blue: #003262;
  --shadow: 0 24px 70px rgba(43, 35, 22, 0.16);
  --radius: 22px;
  --mono: "SFMono-Regular", "JetBrains Mono", "Roboto Mono", monospace;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: "Avenir Next", "Trebuchet MS", Verdana, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 12%, rgba(216, 173, 63, 0.22), transparent 28rem),
    radial-gradient(circle at 78% 0%, rgba(14, 75, 95, 0.16), transparent 24rem),
    linear-gradient(135deg, rgba(23, 32, 29, 0.04) 25%, transparent 25%) 0 0 / 22px 22px,
    var(--paper);
  font-family: var(--sans);
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

img,
video {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

.hero {
  min-height: 82vh;
  padding: 24px clamp(18px, 4vw, 64px) 54px;
  background:
    linear-gradient(120deg, rgba(255, 250, 240, 0.94), rgba(255, 250, 240, 0.72)),
    repeating-linear-gradient(90deg, transparent 0 46px, rgba(14, 75, 95, 0.08) 47px 48px),
    repeating-linear-gradient(0deg, transparent 0 46px, rgba(14, 75, 95, 0.08) 47px 48px);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -160px;
  width: 480px;
  height: 480px;
  border: 34px solid rgba(201, 111, 45, 0.16);
  transform: rotate(28deg);
  pointer-events: none;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.mark {
  font-family: var(--mono);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.topbar-links a {
  color: var(--muted);
  padding: 8px 11px;
  border: 1px solid transparent;
  border-radius: 999px;
}

.topbar-links a:hover {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 250, 240, 0.7);
}

.hero-grid {
  max-width: 1280px;
  min-height: 62vh;
  margin: 64px auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-copy {
  min-width: 0;
  position: relative;
  z-index: 2;
}

.hero-copy > :not(.hero-teaser) {
  position: relative;
  z-index: 2;
}

.hero-teaser {
  position: absolute;
  top: 60%;
  right: clamp(-120px, -7vw, -82px);
  width: clamp(400px, 40vw, 600px);
  height: clamp(360px, 41vw, 560px);
  transform: translateY(-45%);
  z-index: 1;
  pointer-events: none;
}

.hero-teaser::before {
  content: "";
  position: absolute;
  inset: 10% 2% 0 10%;
  background:
    radial-gradient(ellipse at 50% 62%, rgba(14, 75, 95, 0.14), transparent 58%),
    radial-gradient(ellipse at 42% 82%, rgba(201, 111, 45, 0.15), transparent 46%);
  filter: blur(2px);
}

.hero-teaser-scene {
  position: absolute;
  inset: 0;
}

.hero-teaser-scene canvas {
  width: 100%;
  height: 100%;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 800;
}

h1,
h2,
h3 {
  line-height: 1.05;
  margin: 0;
}

h1 {
  font-family: var(--serif);
  font-size: clamp(2.3rem, 7.8vw, 7.1rem);
  letter-spacing: -0.075em;
  white-space: nowrap;
}

.paper-title {
  display: flex;
  align-items: baseline;
  gap: 0.018em;
  font-size: clamp(2.45rem, 7.6vw, 7rem);
  letter-spacing: 0.01em;
  text-transform: none;
}

.paper-title .sc-cap {
  font-size: 1em;
  letter-spacing: 0;
}

.paper-title .sc-word {
  margin-left: 0.22em;
}

.paper-title .sc-small,
.paper-title .sc-punct {
  font-size: 0.72em;
  letter-spacing: 0.045em;
}

.paper-title .sc-punct {
  margin: 0 0.02em;
}

h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.8vw, 4.6rem);
  letter-spacing: -0.05em;
  max-width: 980px;
}

h3 {
  font-size: 1.1rem;
}

.subtitle {
  max-width: 850px;
  margin: 18px 0 0;
  color: var(--steel);
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  line-height: 1.2;
}

.authors {
  max-width: 860px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.authors a {
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, filter 160ms ease, text-shadow 160ms ease;
}

.authors a:hover,
.authors a:focus-visible {
  border-bottom-color: currentColor;
}

.author-affiliation {
  color: var(--affiliation-color);
}

.author-link {
  color: inherit;
}

.affiliation-cornell {
  --affiliation-color: var(--cornell-red);
}

.affiliation-mbzuai {
  --affiliation-color: var(--mbzuai-teal);
}

.affiliation-ucb {
  --affiliation-color: var(--ucb-blue);
}

.paper-status {
  margin: 12px 0 0;
  color: var(--blueprint);
  font-size: 1.28rem;
  font-weight: 650;
}

.paper-status a {
  border-bottom: 0;
  transition:
    color 160ms ease,
    filter 160ms ease,
    text-shadow 160ms ease;
}

.paper-status:hover a,
.paper-status:focus-within a,
.paper-status a:hover,
.paper-status a:focus-visible {
  color: var(--orange);
  filter: saturate(1.35) brightness(1.04);
  text-shadow:
    0 0 2px rgba(255, 250, 240, 0.95),
    0 0 10px rgba(201, 111, 45, 0.72),
    0 0 26px rgba(216, 173, 63, 0.62),
    0 0 42px rgba(201, 111, 45, 0.42);
}

.affiliation-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 18px;
  width: fit-content;
  max-width: 100%;
}

.affiliation-logos a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 8px 12px;
  border: 2px solid var(--affiliation-color);
  border-radius: 12px;
  background: rgba(255, 250, 240, 0.78);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--affiliation-color) 22%, transparent);
  opacity: 0.76;
  transition: opacity 160ms ease, filter 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.affiliation-logos a:hover {
  opacity: 1;
  filter: drop-shadow(0 0 10px color-mix(in srgb, var(--affiliation-color) 72%, transparent));
  transform: translateY(-1px);
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--affiliation-color) 32%, transparent),
    0 0 0 5px color-mix(in srgb, var(--affiliation-color) 22%, transparent),
    0 0 26px color-mix(in srgb, var(--affiliation-color) 64%, transparent);
}

.hero-copy:has(.authors .affiliation-cornell:is(:hover, :focus-visible)) .affiliation-logos > .affiliation-cornell,
.hero-copy:has(.authors .affiliation-mbzuai:is(:hover, :focus-visible)) .affiliation-logos > .affiliation-mbzuai,
.hero-copy:has(.authors .affiliation-ucb:is(:hover, :focus-visible)) .affiliation-logos > .affiliation-ucb,
.hero-copy[data-hover-source="author"][data-active-affiliation="cornell"] .affiliation-logos > .affiliation-cornell,
.hero-copy[data-hover-source="author"][data-active-affiliation="mbzuai"] .affiliation-logos > .affiliation-mbzuai,
.hero-copy[data-hover-source="author"][data-active-affiliation="ucb"] .affiliation-logos > .affiliation-ucb {
  opacity: 1;
  filter: drop-shadow(0 0 10px color-mix(in srgb, var(--affiliation-color) 72%, transparent));
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--affiliation-color) 40%, transparent),
    0 0 0 5px color-mix(in srgb, var(--affiliation-color) 22%, transparent),
    0 0 26px color-mix(in srgb, var(--affiliation-color) 64%, transparent);
}

.hero-copy:has(.affiliation-logos > .affiliation-cornell:is(:hover, :focus-visible)) .authors .affiliation-cornell,
.hero-copy:has(.affiliation-logos > .affiliation-mbzuai:is(:hover, :focus-visible)) .authors .affiliation-mbzuai,
.hero-copy:has(.affiliation-logos > .affiliation-ucb:is(:hover, :focus-visible)) .authors .affiliation-ucb,
.hero-copy[data-hover-source="logo"][data-active-affiliation="cornell"] .authors .affiliation-cornell,
.hero-copy[data-hover-source="logo"][data-active-affiliation="mbzuai"] .authors .affiliation-mbzuai,
.hero-copy[data-hover-source="logo"][data-active-affiliation="ucb"] .authors .affiliation-ucb {
  text-shadow:
    0 0 1px currentColor,
    0 0 8px color-mix(in srgb, var(--affiliation-color) 78%, transparent),
    0 0 16px color-mix(in srgb, var(--affiliation-color) 58%, transparent);
  filter: drop-shadow(0 0 5px color-mix(in srgb, var(--affiliation-color) 72%, transparent));
}

.affiliation-logos img {
  height: 34px;
  width: auto;
  max-width: 176px;
  object-fit: contain;
  filter: grayscale(0.15) saturate(0.78);
}

.resource-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 250, 240, 0.74);
  color: var(--ink);
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(43, 35, 22, 0.08);
}

.resource-row .button {
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.resource-row .button:not(.disabled):hover,
.resource-row .button:not(.disabled):focus-visible {
  background: var(--paper-strong);
  border-color: var(--ink);
  box-shadow: 0 12px 26px rgba(43, 35, 22, 0.14);
  transform: translateY(-1px);
}

.button-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  font-size: 1rem;
  line-height: 1;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-icon {
  fill: currentColor;
  stroke: none;
}

.image-icon {
  object-fit: contain;
}

.button.primary {
  background: var(--ink);
  color: var(--paper-strong);
  border-color: var(--ink);
}

.button.disabled {
  cursor: not-allowed;
  opacity: 0.68;
  pointer-events: none;
  box-shadow: none;
}

.coming-soon {
  color: var(--muted);
  font-weight: 700;
}

.button.primary .coming-soon {
  color: rgba(255, 250, 240, 0.72);
}

.hero-panel {
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--line-strong);
  border-radius: 36px;
  background:
    linear-gradient(145deg, rgba(255, 250, 240, 0.95), rgba(234, 222, 198, 0.86)),
    linear-gradient(90deg, transparent 49%, rgba(14, 75, 95, 0.1) 50%, transparent 51%);
  box-shadow: var(--shadow);
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.panel-grid > div,
.metric-card,
.info-card,
.score-card,
.analysis-card,
.resource-card,
.mini-card,
.question-card,
.media-card,
.dataset-detail,
.question-list-panel,
.results-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 12px 34px rgba(43, 35, 22, 0.07);
}

.panel-grid > div {
  min-height: 132px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-focus h2 {
  font-size: clamp(2.1rem, 4.5vw, 4.2rem);
}

.hero-focus p {
  margin: 18px 0 0;
  color: var(--steel);
  font-size: 1.08rem;
}

.stat-value {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

.stat-label {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.assembly-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.assembly-strip span {
  height: 120px;
  border: 1px solid rgba(23, 32, 29, 0.18);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(14, 75, 95, 0.18), rgba(201, 111, 45, 0.16)),
    repeating-linear-gradient(45deg, transparent 0 10px, rgba(23, 32, 29, 0.08) 11px 12px);
}

.assembly-strip span:nth-child(2n) {
  transform: translateY(24px);
}

.page {
  max-width: 1420px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 36px;
  padding: 36px clamp(18px, 4vw, 64px) 80px;
}

.toc {
  position: sticky;
  top: 18px;
  align-self: start;
  display: grid;
  gap: 4px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 250, 240, 0.82);
  backdrop-filter: blur(14px);
}

.toc p {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--orange);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.toc a {
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.92rem;
  transition:
    background 160ms ease,
    box-shadow 160ms ease,
    color 160ms ease;
}

.toc a:hover {
  background: rgba(14, 75, 95, 0.08);
  color: var(--ink);
}

.toc a.active,
.toc a[aria-current="location"] {
  background: rgba(201, 111, 45, 0.14);
  box-shadow: inset 3px 0 0 var(--orange);
  color: var(--ink);
}

.content {
  min-width: 0;
}

.section {
  padding: clamp(48px, 8vw, 92px) 0;
  border-bottom: 1px solid var(--line);
}

.section:first-child {
  padding-top: 32px;
}

.section-heading {
  margin-bottom: 28px;
}

.lead {
  max-width: 980px;
  margin: 0;
  color: var(--steel);
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  line-height: 1.38;
}

.metric-row,
.cards,
.analysis-grid,
.mini-grid {
  display: grid;
  gap: 16px;
}

.metric-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 28px;
}

.benchmark-metrics {
  margin-bottom: 18px;
}

.metric-card-primary {
  background: linear-gradient(145deg, rgba(255, 250, 240, 0.96), rgba(234, 222, 198, 0.7));
}

.cards.four,
.analysis-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.cards.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-card,
.info-card,
.score-card,
.analysis-card,
.resource-card,
.mini-card {
  padding: 22px;
}

.metric-card strong,
.score-card strong {
  display: block;
  font-family: var(--serif);
  font-size: 3.4rem;
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.metric-card span,
.score-card span,
.resource-card span,
.small-label {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.metric-card p,
.score-card p,
.resource-card p,
.info-card p,
.analysis-card p,
.mini-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.category-count {
  display: block;
  margin: -4px 0 14px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.analysis-card {
  display: block;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.analysis-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 18px 46px rgba(43, 35, 22, 0.13);
}

.analysis-card .eyebrow {
  display: block;
  margin-bottom: 16px;
}

.card-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--blueprint);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tag {
  display: inline-flex;
  align-items: center;
  margin-bottom: 18px;
  padding: 5px 9px;
  border-radius: 999px;
  color: #fff;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.tag-tloc,
.tag-temporal_loc {
  background: var(--orange);
}

.tag-tord,
.tag-temporal_ord {
  background: var(--blueprint);
}

.tag-mate,
.tag-mating {
  background: var(--green);
}

.tag-track,
.tag-tracking {
  background: var(--red);
}

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

.split.single {
  grid-template-columns: minmax(0, 760px);
}

.split > div {
  padding: 26px;
  border-left: 5px solid var(--orange);
  background: rgba(255, 250, 240, 0.58);
  border-radius: 0 18px 18px 0;
}

.split p {
  margin: 12px 0 0;
  color: var(--muted);
}

.viewer-shell {
  border: 1px solid var(--line-strong);
  border-radius: 30px;
  background: rgba(255, 250, 240, 0.68);
  padding: clamp(16px, 3vw, 28px);
  box-shadow: var(--shadow);
}

.viewer-toolbar,
.results-controls,
.dataset-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 18px;
}

.small-label {
  margin: 0 0 8px;
}

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.segmented button,
.question-list button,
.nav-button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 250, 240, 0.78);
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.segmented button {
  padding: 7px 12px;
}

.segmented button.active,
.nav-button:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper-strong);
}

.reveal-control {
  max-width: min(100%, 390px);
}

.reveal-toggle {
  min-height: 46px;
  padding: 9px 15px;
  border: 1px solid rgba(201, 111, 45, 0.62);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 250, 240, 0.96), rgba(216, 173, 63, 0.18));
  color: var(--ink);
  cursor: pointer;
  font-family: var(--serif);
  font-size: 0.98rem;
  font-weight: 900;
  line-height: 1.18;
  text-align: left;
  box-shadow: 0 10px 24px rgba(43, 35, 22, 0.1);
}

.reveal-toggle[aria-pressed="true"] {
  background: linear-gradient(135deg, var(--ink), var(--steel));
  border-color: var(--ink);
  color: var(--paper-strong);
}

.view-switch {
  position: relative;
  width: max-content;
  padding: 4px;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(234, 222, 198, 0.55);
}

.view-switch button {
  position: relative;
  min-width: 148px;
  border: 0;
  background: transparent;
  z-index: 1;
}

.view-switch button.active {
  background: var(--ink);
  box-shadow: 0 8px 20px rgba(23, 32, 29, 0.14);
}

#example-tabs,
.question-list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 2px 12px;
  scrollbar-color: var(--line-strong) transparent;
}

#example-tabs button,
.question-list button {
  flex: 0 0 auto;
  min-width: 64px;
  border-radius: 999px;
  border-color: rgba(23, 32, 29, 0.12);
}

#example-tabs button.tag-temporal_loc,
.question-list button.tag-temporal_loc {
  background: rgba(201, 111, 45, 0.17);
  color: var(--orange);
}

#example-tabs button.tag-temporal_ord,
.question-list button.tag-temporal_ord {
  background: rgba(14, 75, 95, 0.16);
  color: var(--blueprint);
}

#example-tabs button.tag-mating,
.question-list button.tag-mating {
  background: rgba(95, 124, 59, 0.16);
  color: var(--green);
}

#example-tabs button.tag-tracking,
.question-list button.tag-tracking {
  background: rgba(165, 72, 59, 0.16);
  color: var(--red);
}

#example-tabs button.active,
.question-list button.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper-strong);
}

.category-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 8px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.category-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.category-legend i {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.category-legend .tag-temporal_loc {
  background: var(--orange);
}

.category-legend .tag-temporal_ord {
  background: var(--blueprint);
}

.category-legend .tag-mating {
  background: var(--green);
}

.category-legend .tag-tracking {
  background: var(--red);
}

.question-list-panel .category-legend {
  margin-top: -4px;
  padding: 0 14px 14px;
}

.viewer-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
  gap: 18px;
  align-items: start;
}

.media-card {
  padding: 14px;
  overflow: hidden;
}

.media-card video,
.dataset-video,
.mini-card video {
  width: 100%;
  border-radius: 18px;
  background: #111;
}

.prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.prompt-tile {
  min-height: 142px;
  border: 1px dashed var(--line-strong);
  border-radius: 16px;
  background: rgba(255, 250, 240, 0.62);
  overflow: hidden;
}

.prompt-tile img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

.prompt-image-button {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: inherit;
  background: transparent;
  cursor: zoom-in;
  overflow: hidden;
}

.prompt-image-button:focus-visible {
  outline: 4px solid rgba(14, 75, 95, 0.32);
  outline-offset: 3px;
}

.prompt-fallback {
  min-height: 142px;
  display: grid;
  place-content: center;
  gap: 8px;
  padding: 18px;
  color: var(--muted);
  text-align: center;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.question-card {
  padding: 24px;
}

.question-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.question-card-top .question-meta {
  flex: 1 1 auto;
  margin-bottom: 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 250, 240, 0.72);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
}

.question-text {
  margin: 0 0 18px;
  color: var(--steel);
  font-size: 1.2rem;
  line-height: 1.35;
}

.option-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.option-list li {
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 250, 240, 0.58);
}

.option-list li.correct {
  border-color: var(--green);
  background: rgba(95, 124, 59, 0.12);
}

.response-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.response-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 250, 240, 0.72);
}

.response-card strong {
  display: block;
}

.response-card p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.answer-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
  background: rgba(14, 75, 95, 0.1);
  color: var(--blueprint);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 900;
}

.answer-badge.is-correct {
  background: rgba(95, 124, 59, 0.14);
  color: var(--green);
}

.answer-badge.is-incorrect {
  background: rgba(165, 72, 59, 0.13);
  color: var(--red);
}

.answer-badge i {
  font-size: 0.82rem;
  line-height: 1;
}

details {
  margin-top: 12px;
}

summary {
  cursor: pointer;
  color: var(--blueprint);
  font-weight: 800;
}

.response-text {
  max-height: 220px;
  overflow: auto;
  margin: 10px 0 0;
  padding: 12px;
  border-radius: 12px;
  background: rgba(23, 32, 29, 0.06);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.8rem;
  white-space: pre-wrap;
}

.dataset-controls {
  align-items: stretch;
}

.dataset-controls label,
.mode-control,
.results-controls {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.dataset-controls input,
.dataset-controls select,
.results-search input,
.filter-form input,
.filter-form select,
.results-controls input,
.results-controls select {
  min-height: 42px;
  min-width: 170px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 250, 240, 0.86);
  color: var(--ink);
  padding: 8px 11px;
}

#dataset-search {
  min-width: min(420px, 80vw);
}

.dataset-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: start;
}

.question-list-panel {
  overflow: hidden;
  position: static;
}

.list-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.keyboard-hint {
  color: var(--line-strong);
}

.question-list button {
  width: auto;
  padding: 8px 13px;
  text-align: center;
}

.question-list small {
  display: block;
  margin-top: 2px;
  color: inherit;
  opacity: 0.7;
}

.dataset-detail {
  padding: clamp(16px, 3vw, 26px);
}

.detail-nav {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.nav-button {
  padding: 8px 13px;
}

.dataset-detail-stack,
.viewer-media-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.viewer-media-row,
.viewer-media-images {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.viewer-media-cell {
  flex: 1 1 300px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.viewer-video-cell {
  flex-basis: 520px;
}

.viewer-media-cell img,
.viewer-media-cell video,
.viewer-media-cell .prompt-tile {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.16);
  background: #000;
}

.viewer-media-cell img {
  display: block;
  width: 100%;
  background: #fff;
}

.viewer-media-cell .prompt-tile {
  min-height: 220px;
  background: rgba(255, 250, 240, 0.62);
}

.dataset-media {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.72);
}

.missing-video {
  min-height: 220px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--line-strong);
  border-radius: 18px;
  color: var(--muted);
  background: rgba(255, 250, 240, 0.72);
  text-align: center;
}

.media-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.score-card.human {
  background: linear-gradient(145deg, rgba(23, 32, 29, 0.94), rgba(33, 63, 79, 0.92));
  color: var(--paper-strong);
}

.score-card.human span,
.score-card.human p {
  color: rgba(255, 250, 240, 0.72);
}

.model-response-section {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.72);
}

.model-response-section h3 {
  margin-bottom: 14px;
}

.results-panel {
  margin-top: 18px;
  padding: 18px;
}

.results-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 0 2px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

.results-toggle [data-results-toggle-label] {
  color: var(--blueprint);
}

.results-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin: 18px 0 10px;
}

.results-search {
  flex: 1 1 280px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.results-search span,
.filter-form label {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.results-search input {
  flex: 1 1 220px;
}

.results-meta {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 800;
}

.results-filters,
.filter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.results-filters {
  min-height: 30px;
  margin-bottom: 10px;
}

.filter-form {
  margin-bottom: 14px;
}

.filter-form button,
.filter-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
}

.filter-form button {
  min-height: 42px;
  padding: 8px 15px;
  background: var(--ink);
  color: var(--paper-strong);
  cursor: pointer;
  font-weight: 900;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 9px 5px 12px;
  background: rgba(14, 75, 95, 0.11);
  color: var(--blueprint);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 900;
}

.filter-pill button {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 250, 240, 0.78);
  color: inherit;
  cursor: pointer;
  font-weight: 900;
  line-height: 1;
}

.result-filter-button {
  max-width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--blueprint);
  cursor: pointer;
  font: inherit;
  font-weight: inherit;
  text-align: left;
  outline: none;
}

.result-filter-button:hover,
.result-filter-button:focus-visible {
  text-shadow:
    0 0 8px rgba(14, 75, 95, 0.35),
    0 0 14px rgba(216, 173, 63, 0.28);
}

.filter-form button:hover,
.filter-form button:focus-visible {
  border-color: var(--blueprint);
  box-shadow: 0 0 0 3px rgba(14, 75, 95, 0.12);
}

.results-controls {
  grid-template-columns: 1fr auto auto;
  align-items: end;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
}

table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
  background: rgba(255, 250, 240, 0.72);
}

th,
td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  position: sticky;
  top: 0;
  background: var(--paper-strong);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

th[data-sort] {
  cursor: pointer;
}

td.num {
  font-family: var(--mono);
  font-weight: 700;
}

.empty-table {
  color: var(--muted);
  font-weight: 800;
  text-align: center;
}

.supplementary-explorers {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.mini-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 14px;
}

.mini-card video {
  margin: 12px 0;
}

.mini-card .response-text {
  max-height: 160px;
}

.resource-card {
  display: block;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.resource-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 46px rgba(43, 35, 22, 0.12);
}

.bibtex {
  overflow: auto;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(23, 32, 29, 0.92);
  color: var(--paper-strong);
  font-family: var(--mono);
  font-size: 0.9rem;
}

.analysis-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(22px, 5vw, 64px);
}

.analysis-page > .button {
  margin-bottom: 28px;
}

.analysis-hero {
  padding: clamp(36px, 8vw, 84px);
  border: 1px solid var(--line-strong);
  border-radius: 34px;
  background:
    linear-gradient(145deg, rgba(255, 250, 240, 0.94), rgba(234, 222, 198, 0.82)),
    repeating-linear-gradient(90deg, transparent 0 46px, rgba(14, 75, 95, 0.08) 47px 48px);
  box-shadow: var(--shadow);
}

.analysis-hero h1 {
  font-size: clamp(3rem, 9vw, 7rem);
}

.analysis-detail {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.analysis-answer,
.analysis-section,
.analysis-example-card {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 12px 34px rgba(43, 35, 22, 0.07);
}

.analysis-answer p,
.analysis-section > p {
  max-width: 880px;
  color: var(--muted);
  font-size: 1.08rem;
}

.analysis-example-list {
  display: grid;
  gap: 24px;
  margin-top: 18px;
}

.analysis-example-card {
  display: grid;
  gap: 18px;
}

.analysis-table {
  margin-top: 18px;
}

.supplementary-style-page {
  background:
    radial-gradient(circle at 12% 0%, rgba(124, 156, 255, 0.18), transparent 26rem),
    radial-gradient(circle at 88% 8%, rgba(201, 111, 45, 0.12), transparent 24rem),
    linear-gradient(135deg, rgba(23, 32, 29, 0.04) 25%, transparent 25%) 0 0 / 22px 22px,
    var(--paper);
}

.detail-header {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(223, 233, 244, 0.96), rgba(255, 250, 240, 0.88));
  box-shadow: 0 22px 44px rgba(43, 35, 22, 0.1);
}

.detail-header-inner,
.detail-main,
.detail-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding-inline: clamp(18px, 4vw, 32px);
}

.detail-header-inner {
  padding-top: 34px;
  padding-bottom: 38px;
}

.header-links,
.detail-nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.back-link,
.pdf-link,
.nav-pill {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 250, 240, 0.78);
  font-weight: 800;
}

.section-chip {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-top: 26px;
  border-radius: 16px;
  background: rgba(14, 75, 95, 0.12);
  color: var(--blueprint);
  font-family: var(--mono);
  font-weight: 900;
}

.detail-header h1 {
  margin: 14px 0 10px;
  font-family: var(--serif);
  font-size: clamp(2.8rem, 8vw, 6.4rem);
  letter-spacing: -0.07em;
  line-height: 0.95;
}

.section-summary {
  max-width: 760px;
  margin: 0;
  color: var(--steel);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.35;
}

.detail-main {
  display: grid;
  gap: 20px;
  padding-top: 32px;
  padding-bottom: 34px;
}

.detail-card {
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 12px 34px rgba(43, 35, 22, 0.07);
}

.detail-card p {
  max-width: 880px;
  color: var(--muted);
}

.viewer-card {
  padding: 0;
  overflow: hidden;
}

.viewer-header,
.viewer-controls,
.analysis-rail-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  align-items: end;
}

.viewer-header p {
  margin: 6px 0 0;
  color: var(--muted);
}

.viewer-controls {
  justify-content: flex-start;
}

.control-group {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.control-group select,
.control-static {
  min-height: 42px;
  min-width: 170px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 250, 240, 0.86);
  color: var(--ink);
  padding: 8px 11px;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: none;
}

.control-static {
  display: inline-flex;
  align-items: center;
}

.visual-prompt-viewer {
  box-shadow: none;
}

.analysis-rail-row {
  justify-content: flex-start;
  align-items: center;
  margin-top: 18px;
  color: var(--muted);
  font-weight: 800;
}

.analysis-nav-rail {
  flex: 1 1 280px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 8px;
}

.analysis-nav-rail button {
  min-width: 42px;
}

.analysis-nav-rail button.tag-temporal_loc {
  background: rgba(201, 111, 45, 0.17);
  color: var(--orange);
}

.analysis-nav-rail button.tag-temporal_ord {
  background: rgba(14, 75, 95, 0.16);
  color: var(--blueprint);
}

.analysis-nav-rail button.tag-mating {
  background: rgba(95, 124, 59, 0.16);
  color: var(--green);
}

.analysis-nav-rail button.tag-tracking {
  background: rgba(165, 72, 59, 0.16);
  color: var(--red);
}

.analysis-nav-rail button.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper-strong);
}

#visual-prompt-detail {
  margin-top: 18px;
}

.viewer-question {
  display: grid;
  gap: 18px;
}

.viewer-question-body {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.72);
}

.detail-footer {
  padding-bottom: 48px;
}

.image-overlay[hidden] {
  display: none;
}

.image-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: clamp(16px, 4vw, 48px);
  background: rgba(23, 32, 29, 0.82);
}

.image-overlay figure {
  width: min(96vw, 1280px);
  max-height: 90vh;
  margin: 0;
  display: grid;
  gap: 10px;
}

.image-overlay img {
  width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.35);
}

.image-overlay figcaption {
  color: var(--paper-strong);
  font-family: var(--mono);
  font-size: 0.82rem;
  text-align: center;
}

.image-overlay-close {
  position: fixed;
  top: 18px;
  right: 18px;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 250, 240, 0.5);
  border-radius: 999px;
  background: rgba(255, 250, 240, 0.94);
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.overlay-open {
  overflow: hidden;
}

.empty-state {
  padding: 28px;
  color: var(--muted);
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: 18px;
}

@media (max-width: 1060px) {
  .hero-grid,
  .page,
  .viewer-grid,
  .dataset-layout,
  .split {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  }

  .toc p {
    grid-column: 1 / -1;
  }

  .question-list-panel {
    position: static;
  }

  .question-list {
    max-height: 340px;
  }

  .results-controls {
    grid-template-columns: 1fr;
  }

  .hero-teaser {
    position: relative;
    top: auto;
    right: auto;
    width: min(100%, 560px);
    height: clamp(300px, 62vw, 500px);
    margin: clamp(14px, 3vw, 22px) auto clamp(18px, 4vw, 28px);
    transform: none;
    z-index: 1;
  }
}

@media (max-width: 760px) {
  .hero {
    min-height: auto;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-links {
    display: none;
  }

  .panel-grid,
  .metric-row,
  .cards.four,
  .cards.two,
  .cards.three,
  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .viewer-toolbar {
    align-items: stretch;
  }

  .question-card-top {
    flex-direction: column;
  }

  .dataset-controls input,
  .dataset-controls select,
  .results-search,
  .results-search input,
  .filter-form input,
  .filter-form select,
  .filter-form button,
  .reveal-control,
  .reveal-toggle,
  #dataset-search {
    min-width: 100%;
  }

  h1 {
    font-size: clamp(1.85rem, 8.4vw, 5rem);
  }

  .paper-title {
    font-size: clamp(1.95rem, 8.1vw, 5rem);
  }
}