/* CSS styles for PolaRiS - Light Mode Premium Theme */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Fira+Code:wght@400;500;600&display=swap');

:root {
  /* User's palette - applied with restraint */
  --honey-bronze: #d4940a;
  --hyper-magenta: #9333ea;
  --neon-violet: #a855f7;
  --cool-horizon: #3b82f6;
  --blue-energy: #2563eb;

  /* Light mode backgrounds */
  --bg-deep: #fafafa;
  --bg-surface: #ffffff;
  --bg-elevated: #f5f5f5;
  --bg-card: rgba(255, 255, 255, 0.95);

  /* Text hierarchy */
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-muted: #7a7a7a;

  /* Refined borders */
  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-light: rgba(0, 0, 0, 0.1);

  /* Elegant gradients */
  --gradient-warm: linear-gradient(135deg, var(--honey-bronze) 0%, var(--neon-violet) 100%);
  --gradient-cool: linear-gradient(135deg, var(--cool-horizon) 0%, var(--hyper-magenta) 100%);
  --gradient-full: linear-gradient(135deg, var(--honey-bronze) 0%, var(--neon-violet) 40%, var(--blue-energy) 100%);

  /* Light mode shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 8px 40px rgba(212, 148, 10, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 120% 60% at 50% -20%, rgba(212, 148, 10, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 80% 50% at 100% 50%, rgba(147, 51, 234, 0.03) 0%, transparent 50%);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  padding: 48px 28px 48px 28px;
  position: relative;
  min-height: 100vh;
  line-height: 1.7;
  font-size: 15px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

/* Clean modern headings */
h1, h2, h3, h4, h5, h6, .section-heading {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.hero-text {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

/* Progress Sidebar */
.progress-sidebar {
  position: fixed;
  left: 32px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  display: none;
}

@media (min-width: 1400px) {
  .progress-sidebar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
}

.progress-track {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.progress-line {
  position: absolute;
  left: 7px;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background: var(--border-light);
  z-index: 0;
}

.progress-line-fill {
  position: absolute;
  left: 7px;
  top: 22px;
  width: 2px;
  background: var(--honey-bronze);
  z-index: 1;
  transition: height 0.3s ease;
  height: 0;
}

.progress-item {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
}

.progress-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 2px solid var(--border-light);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.progress-item.active .progress-dot {
  background: var(--honey-bronze);
  border-color: var(--honey-bronze);
  box-shadow: 0 0 0 5px rgba(212, 148, 10, 0.2);
}

.progress-item.passed .progress-dot {
  background: var(--honey-bronze);
  border-color: var(--honey-bronze);
}

.progress-label {
  font-family: 'Fira Code', monospace;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-8px);
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.progress-item:hover .progress-label,
.progress-item.active .progress-label {
  opacity: 1;
  transform: translateX(0);
}

.progress-item.active .progress-label {
  color: var(--honey-bronze);
}

.progress-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

/* Main Content */
.main-content {
  max-width: 1060px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Navigation - Hidden (using progress sidebar instead) */
.top-nav {
  display: none;
}

.nav-brand {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-weight: 600;
  font-size: 24px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-left: 16px;
}

.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.nav-links a:hover {
  background: rgba(255, 184, 74, 0.08);
  color: var(--honey-bronze);
}

.nav-actions {
  margin-left: auto;
  display: flex;
  gap: 10px;
}

.nav-btn {
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  text-decoration: none;
  background: transparent;
  transition: all 0.25s ease;
}

.nav-btn.primary {
  background: var(--honey-bronze);
  border-color: var(--honey-bronze);
  color: #000;
  font-weight: 600;
}

.nav-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.nav-btn.primary:hover {
  box-shadow: 0 8px 24px rgba(255, 184, 74, 0.3);
}

/* Hero Section - Elegant */
.hero-flow {
  position: relative;
  overflow: hidden;
  padding: 64px 48px 48px 48px;
  border-radius: 28px;
  margin-bottom: 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
}

/* Soft flowing gradient orbs */
.hero-flow::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  top: -250px;
  left: -150px;
  background: radial-gradient(circle, rgba(212, 148, 10, 0.12) 0%, rgba(212, 148, 10, 0) 70%);
  animation: orbFlow1 25s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
}

.hero-flow::after {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  bottom: -200px;
  right: -100px;
  background: radial-gradient(circle, rgba(147, 51, 234, 0.08) 0%, rgba(147, 51, 234, 0) 70%);
  animation: orbFlow2 30s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
}

.hero-flow > * {
  position: relative;
  z-index: 1;
}

/* Third orb */
.hero-flow .hero-orb {
  position: absolute;
  width: 450px;
  height: 450px;
  top: 40%;
  right: 10%;
  transform: translateY(-50%);
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, rgba(37, 99, 235, 0) 70%);
  animation: orbFlow3 28s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
}

@keyframes orbFlow1 {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(80px, 40px); }
  50% { transform: translate(120px, -20px); }
  75% { transform: translate(40px, 60px); }
}

@keyframes orbFlow2 {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(-60px, -50px); }
  50% { transform: translate(-100px, 30px); }
  75% { transform: translate(-30px, -40px); }
}

@keyframes orbFlow3 {
  0%, 100% { transform: translateY(-50%) translate(0, 0); }
  33% { transform: translateY(-50%) translate(-50px, 70px); }
  66% { transform: translateY(-50%) translate(40px, -50px); }
}

.hero-text {
  font-size: 80px;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 20px;
  text-align: center;
  color: var(--text-primary);
}

.sub-hero-text {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 22px;
  font-weight: 400;
  font-style: normal;
  margin-bottom: 36px;
  line-height: 1.5;
  text-align: center;
  color: var(--text-secondary);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.hero-pill-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-pill {
  font-family: 'Fira Code', monospace;
  font-size: 11px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 100px;
  background: rgba(212, 148, 10, 0.1);
  border: 1px solid rgba(212, 148, 10, 0.25);
  color: var(--honey-bronze);
  transition: all 0.25s ease;
  animation: pillPopIn 0.5s ease both;
}

.hero-pill:nth-child(1) { animation-delay: 0.1s; }
.hero-pill:nth-child(2) { animation-delay: 0.2s; }
.hero-pill:nth-child(3) { animation-delay: 0.3s; }

@keyframes pillPopIn {
  0% {
    opacity: 0;
    transform: scale(0.8) translateY(10px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.hero-pill:hover {
  background: rgba(212, 148, 10, 0.18);
  border-color: rgba(212, 148, 10, 0.4);
  transform: translateY(-2px);
}

.hero-flow .authors {
  text-align: center;
}

/* Authors */
.authors {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 2;
  margin-top: 0;
  margin-bottom: 32px;
  text-align: center;
}

.authors span {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

.authors .affiliation {
  font-family: 'Inter', -apple-system, sans-serif;
  font-style: normal;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 12px;
}

.authors a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.authors a:hover {
  color: var(--honey-bronze);
}

.authors sup {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: 1px;
}

.authors .author-note {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
  margin-bottom: 4px;
}

.authors .affiliation sup {
  font-size: 9px;
  margin-right: 2px;
}

/* Hero Actions */
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-bottom: 28px;
}

.cta {
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  background: transparent;
  transition: all 0.25s ease;
}

.cta.primary {
  background: var(--honey-bronze);
  border-color: var(--honey-bronze);
  color: #000;
  font-weight: 600;
}

.cta.ghost {
  border-color: rgba(255, 184, 74, 0.3);
  color: var(--honey-bronze);
}

.cta.dark {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: #fff;
}

.cta.dark:hover {
  background: #000;
  border-color: #000;
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.cta.primary:hover {
  box-shadow: 0 12px 32px rgba(255, 184, 74, 0.35);
}

/* Hero Waves */
.hero-waves {
  position: relative;
  width: 100%;
  height: 70px;
  margin-top: 24px;
  overflow: hidden;
  opacity: 0.7;
}

.waves-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.wave-parallax use {
  animation: waveShift 16s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite;
}

.wave-parallax use:nth-child(1) { animation-delay: -2s; animation-duration: 16s; }
.wave-parallax use:nth-child(2) { animation-delay: -4s; animation-duration: 14s; }
.wave-parallax use:nth-child(3) { animation-delay: -6s; animation-duration: 20s; }
.wave-parallax use:nth-child(4) { animation-delay: -8s; animation-duration: 18s; }

@keyframes waveShift {
  0% { transform: translate3d(-90px, 0, 0); }
  50% { transform: translate3d(20px, 0, 0); }
  100% { transform: translate3d(-90px, 0, 0); }
}

/* Tagline - Section Headers */
.tagline {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  background: transparent;
  color: var(--text-primary);
  display: block;
  padding: 48px 0 0 0;
  margin: 24px 0 20px 0;
  border: none;
  position: relative;
}

.tagline::before {
  display: none;
}

.tagline::after {
  content: '';
  display: block;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--honey-bronze) 0%, rgba(212, 148, 10, 0.15) 40%, transparent 100%);
  border-radius: 2px;
  margin-bottom: 12px;
  margin-top: 24px;
}

/* Quick Links */
.quick-links {
  text-align: center;
  margin-top: 0;
  margin-bottom: 40px;
}

.quick-links a {
  font-family: 'Fira Code', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  margin: 0 18px;
  padding: 8px 0;
  transition: color 0.2s ease;
  border-bottom: 1px solid transparent;
}

.quick-links a:hover {
  color: var(--honey-bronze);
  border-bottom-color: var(--honey-bronze);
}

/* Images */
img {
  width: 100%;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  margin: 0;
  box-sizing: border-box;
  box-shadow: var(--shadow-md);
}

.main-content > img {
  margin-left: 0;
  margin-right: 0;
}

.teaser-image {
  border: 3px solid var(--border-light) !important;
}

/* Figure Links */
a#figure-1-img,
a#figure-2-img,
a#figure-3-img {
  display: block;
  text-decoration: none;
  cursor: default;
}

a#figure-1-img img,
a#figure-2-img img,
a#figure-3-img img {
  display: block;
  width: 100%;
  height: auto;
}

#figure-1-img {
  margin-top: 20px;
  margin-left: 0;
  margin-right: 0;
}

#figure-2-img {
  border-radius: 0;
  margin-left: 0;
  margin-right: 0;
  margin-top: 20px;
}

a#figure-2-img img {
  border: none;
  border-radius: 0;
}

#figure-3-img {
  padding: 24px;
  background: var(--bg-surface);
  margin-top: 20px;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  box-sizing: border-box;
  overflow: hidden;
}

a#figure-3-img img {
  border: none;
  border-radius: 0;
  margin: 0;
}

/* Figure Caption */
.figure-caption {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 20px;
  margin-bottom: 48px;
  padding: 0 32px;
  line-height: 1.7;
}

/* Card Surface - Refined */
.card-surface {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.card-surface:hover {
  box-shadow: var(--shadow-lg);
}

/* Section styles */
.section {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 48px;
  color: var(--text-secondary);
}

.section-heading {
  font-size: 28px;
  margin: 0 0 12px 0;
  color: var(--text-primary);
}

.section-lead {
  color: var(--text-muted);
  margin: 0 0 24px 0;
  font-size: 14px;
  line-height: 1.6;
}

/* Abstract Card */
.abstract-card {
  position: relative;
  overflow: hidden;
}

.abstract-card:focus {
  outline: 2px solid var(--honey-bronze);
  outline-offset: 4px;
}

.abstract-card:hover,
.abstract-card:focus-within {
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.abstract-teaser {
  transition: opacity 0.3s ease;
  color: var(--text-secondary);
}

.abstract-teaser p {
  margin-bottom: 16px;
}

.abstract-card:hover .abstract-teaser,
.abstract-card:focus-within .abstract-teaser {
  opacity: 0.4;
}

.abstract-full {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.4s ease, margin-top 0.4s ease;
  margin-top: 0;
  color: var(--text-secondary);
}

.abstract-card:hover .abstract-full,
.abstract-card:focus-within .abstract-full {
  max-height: 1200px;
  opacity: 1;
  margin-top: 20px;
}

.abstract-full p {
  margin-bottom: 16px;
}

.abstract-hint {
  font-family: 'Fira Code', monospace;
  font-size: 11px;
  color: var(--text-muted);
  margin: 20px 0 12px 0;
  font-style: italic;
}

/* TL;DR Grid */
.tldr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.tldr-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.tldr-card:hover,
.tldr-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-light);
}

.tldr-card p {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0;
  line-height: 1.6;
}

.tldr-video {
  width: 100%;
  border-radius: 14px;
  margin-top: 18px;
  height: 220px;
  max-height: 220px;
  opacity: 1;
  display: block;
  object-fit: cover;
  transition: max-height 0.4s ease, opacity 0.35s ease;
  box-shadow: var(--shadow-sm);
}

.tldr-label {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

/* Pipeline Grid */
.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin: 32px 0 24px 0;
}

.pipeline-card {
  background: var(--bg-elevated);
  border-radius: 24px;
  border: 1px solid var(--border-subtle);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.pipeline-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pipeline-card video {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 16px;
  display: block;
  margin: 18px 0;
  box-shadow: var(--shadow-sm);
}

.pipeline-card p {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0;
  line-height: 1.6;
}

.pipeline-step {
  font-family: 'Fira Code', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  color: var(--honey-bronze);
}

/* Slider Section */
.slider-section {
  margin: 40px 0 64px 0;
}

.slider-task-selector {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}

.slider-nav-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider-nav-btn:hover {
  background: var(--honey-bronze);
  border-color: var(--honey-bronze);
  color: #000;
}

.slider-task-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 140px;
  text-align: center;
}

.slider-wrapper {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: #000;
  border: 1px solid var(--border-subtle);
}

.slider-labels {
  position: absolute;
  bottom: 16px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  pointer-events: none;
}

.slider-label-sim,
.slider-label-real {
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(4px);
}

.slider-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slider-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  border-right: 2px solid var(--honey-bronze);
  box-shadow: 2px 0 20px rgba(255, 184, 74, 0.25);
}

.slider-overlay .slider-video {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  /* Width set by JS to match wrapper width */
  object-fit: cover;
}

.slider-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: var(--honey-bronze);
  pointer-events: none;
}

.slider-handle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--honey-bronze);
  box-shadow: 0 4px 16px rgba(255, 184, 74, 0.4);
}

.slider-handle::after {
  content: '⟷';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #000;
  font-size: 16px;
  font-weight: bold;
}

.slider-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
}

.slider-caption {
  margin-top: 20px;
}

/* Side by Side Cards */
.side-by-side {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  align-items: start;
}

.side-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.side-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.side-card video {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 16px;
  display: block;
  margin: 16px 0;
  box-shadow: var(--shadow-sm);
}

.side-card p {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0;
  line-height: 1.6;
}

.side-label {
  font-family: 'Fira Code', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.side-label.muted {
  color: var(--neon-violet);
}

.side-label.accent {
  color: var(--cool-horizon);
}

.insight-block {
  background: var(--bg-surface);
}

/* Co-training Gallery */
.co-gallery {
  margin-top: 32px;
}

.co-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.co-gallery-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.co-gallery-card:hover,
.co-gallery-card:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.co-gallery-card video {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  display: block;
  box-shadow: var(--shadow-sm);
  background: #000;
}

.co-caption {
  margin-top: 12px;
  font-family: 'Fira Code', monospace;
  font-size: 11px;
  color: var(--text-muted);
}

/* Co-training Split Card */
.cotrain-split-card {
  margin-top: 24px;
}

.cotrain-split {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
  align-items: start;
}

.cotrain-left,
.cotrain-right {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.cotrain-section-title {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.cotrain-section-lead {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.cotrain-barplot-container {
  flex: 1;
  display: flex;
  align-items: center;
}

#cotrain-bar {
  width: 100%;
  background: var(--bg-elevated);
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
}

.cotrain-collage {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.cotrain-collage video {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

@media (max-width: 900px) {
  .cotrain-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 500px) {
  .cotrain-collage {
    grid-template-columns: 1fr;
  }
}

/* Correlation Callout */
.correlation-callout {
  margin-top: 28px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 24px 0;
}

.metric-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.metric-value {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--honey-bronze);
}

.metric-label {
  font-family: 'Fira Code', monospace;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.metric-card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.evidence-list {
  margin: 20px 0 0 20px;
  padding: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.evidence-list li {
  margin-bottom: 8px;
}

.evidence-list li::marker {
  color: var(--honey-bronze);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 28px 0 52px 0;
}

.stats-grid-inline {
  display: flex;
  gap: 16px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.stats-grid-inline .stat-card {
  flex: 1;
  min-width: 200px;
  padding: 20px;
  margin: 0;
}

.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-warm);
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.stat-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* Scatter Card */
.scatter-card {
  margin-top: 28px;
}

.correlation-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px;
}

.correlation-left {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.correlation-right {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

#comparison-bar {
  width: 100%;
  height: 320px;
  background: var(--bg-elevated);
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
}

.comparison-legend {
  display: flex;
  gap: 20px;
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

.comparison-legend .legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.comparison-legend .legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.comparison-legend .legend-dot.polaris {
  background: var(--hyper-magenta);
}

.comparison-legend .legend-dot.libero {
  background: #eab308;
  opacity: 0.6;
}

.correlation-legend-shared {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

@media (max-width: 800px) {
  .correlation-split {
    grid-template-columns: 1fr;
  }

  .roboarena-section {
    flex-direction: column !important;
  }

  .roboarena-right {
    flex-shrink: 1 !important;
    width: 100%;
  }

  .roboarena-right > div {
    max-width: 100% !important;
  }
}

#corr-scatter {
  width: 100%;
  height: 320px;
  background: var(--bg-elevated);
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
}

.scatter-hint {
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
}

.scatter-status {
  margin-top: 0;
  font-family: 'Fira Code', monospace;
  font-size: 11px;
  color: var(--honey-bronze);
}

.scatter-legend {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 14px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-radius: 10px;
  font-size: 13px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.legend-shape {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid transparent;
  border-radius: 0;
}

.legend-shape.square {
  border-radius: 3px;
}

.legend-shape.circle {
  border-radius: 50%;
}

.legend-shape.square.blue {
  background: var(--hyper-magenta);
  border-color: var(--neon-violet);
}

.legend-shape.circle.gray {
  background: var(--text-muted);
  border-color: var(--text-secondary);
}

.legend-shape.triangle {
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 10px solid var(--honey-bronze);
  border-radius: 0;
  border: none;
}

.rank-lists {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.rank-lists ol {
  padding-left: 20px;
  margin: 10px 0 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.rank-title {
  font-family: 'Fira Code', monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.scatter-tooltip {
  position: absolute;
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 12px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  z-index: 2147483647;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
}

/* Chart Animations */
@keyframes scatterPointIn {
  0% {
    opacity: 0;
    transform: scale(0);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes barGrowUp {
  0% {
    transform: scaleY(0);
  }
  100% {
    transform: scaleY(1);
  }
}

.scatter-point-animated {
  transform-origin: center;
  transform-box: fill-box;
  opacity: 0;
}

.scatter-point-animated.animate {
  animation: scatterPointIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.bar-animated {
  transform-origin: bottom center;
  transform-box: fill-box;
  transform: scaleY(0);
}

.bar-animated.animate {
  animation: barGrowUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes labelFadeIn {
  0% {
    opacity: 0;
    transform: translateY(5px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.bar-label-animated {
  opacity: 0;
}

.bar-label-animated.animate {
  animation: labelFadeIn 0.4s ease-out forwards;
}

/* Bar Card */
.bar-card {
  margin-top: 28px;
}

#bar-plot {
  width: 100%;
}

.bar-plot-wrap {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

/* Policy Card */
.policy-card {
  margin-top: 28px;
}

.policy-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.policy-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.policy-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.policy-title {
  font-family: 'Fira Code', monospace;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.policy-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.policy-table th,
.policy-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.policy-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 11px;
}

.policy-table td {
  color: var(--text-secondary);
}

.policy-table td.value-sim {
  color: var(--hyper-magenta);
  font-weight: 600;
}

.policy-table td.value-real {
  color: var(--honey-bronze);
  font-weight: 600;
}

/* Video Card */
.video-card {
  margin-top: 28px;
}

.policy-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.policy-video-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.policy-video-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.policy-video-pair {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.policy-video-wrap video {
  width: 100%;
  height: 130px;
  object-fit: cover;
  border-radius: 12px;
  display: block;
  box-shadow: var(--shadow-sm);
}

.policy-video-label {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
}

.policy-video-task {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
  width: 100%;
}

.policy-video-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin: 20px auto 0;
  width: 100%;
}

.policy-video-meta {
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Slide animations */
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

.slide-in-right { animation: slideInRight 250ms ease; }
.slide-in-left { animation: slideInLeft 250ms ease; }

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 28px 0 20px 0;
}

.gallery-grid video {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  display: block;
  transition: all 0.3s ease;
  border: 1px solid var(--border-subtle);
}

.gallery-grid video:hover {
  transform: scale(1.02) translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.gallery-grid-labeled {
  grid-template-columns: repeat(4, 1fr);
}

.gallery-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gallery-item video {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-subtle);
}

.gallery-label {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
}

/* Mesh Viewer */
.mesh-viewer {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.mesh-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 18px;
}

.mesh-selector {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12px;
  color: var(--text-secondary);
}

.mesh-selector select {
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  font-size: 13px;
  background: var(--bg-elevated);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.25s ease;
}

.mesh-selector select:hover:not(:disabled) {
  border-color: var(--border-light);
}

.mesh-selector select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--bg-primary);
}

.mesh-selector-row {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.mesh-active-label {
  font-family: 'Fira Code', monospace;
  font-size: 12px;
  color: var(--honey-bronze);
}

.mesh-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.mesh-col {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.mesh-col-title {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--text-secondary);
}

.mesh-viewer-frame {
  width: 100%;
  height: auto;
  min-height: 300px;
  border-radius: 14px;
  background: var(--bg-deep);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.mesh-media {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mesh-video {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 14px;
  background: #000;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.mesh-note {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
}

/* Reconstruction Split Section (50/50 layout) */
.reconstruction-split-section {
  margin-top: 28px;
}

.reconstruction-split-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px;
}

.reconstruction-split-container.full-width {
  grid-template-columns: 1fr;
}

.reconstruction-half {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.reconstruction-half-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.reconstruction-half-title {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

/* Gaussian Splat Viewer */
.gsplat-half {
  min-height: 500px;
}

.gsplat-active-label {
  font-family: 'Fira Code', monospace;
  font-size: 12px;
  color: var(--honey-bronze);
  margin-bottom: 14px;
}

.gsplat-viewer-container {
  position: relative;
  flex: 1;
  min-height: 400px;
  background: #000;
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

.gsplat-viewer-container canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
  border-radius: 14px;
}

.gsplat-viewer-container iframe {
  width: 100%;
  height: 100%;
  min-height: 500px;
  border: none;
  border-radius: 14px;
  display: block;
}

.gsplat-controls {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.gsplat-hint {
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 11px;
  backdrop-filter: blur(4px);
}

.gsplat-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 20;
  font-family: 'Fira Code', monospace;
  font-size: 13px;
  color: var(--text-muted);
  background: var(--bg-surface);
  padding: 16px 24px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
}

.gsplat-loading.hidden {
  display: none;
}

.gsplat-loading-text {
  margin-bottom: 10px;
}

.gsplat-progress-bar {
  width: 200px;
  height: 6px;
  background: var(--bg-primary);
  border-radius: 3px;
  overflow: hidden;
}

.gsplat-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--honey-bronze);
  border-radius: 3px;
  transition: width 0.2s ease-out;
}

/* Mesh Half - Vertical stacking */
.mesh-half {
  min-height: 500px;
  overflow: hidden;
}

.mesh-columns-vertical {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  overflow: hidden;
}

.mesh-columns-vertical .mesh-col {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.mesh-columns-vertical .mesh-video {
  height: auto;
  max-height: 300px;
}

.mesh-columns-vertical .mesh-viewer-frame {
  min-height: 180px;
  max-height: 220px;
  height: 100%;
}

/* Responsive for split layout */
@media (max-width: 1000px) {
  .reconstruction-split-container {
    grid-template-columns: 1fr;
  }

  .reconstruction-half {
    min-height: 450px;
  }
}

/* Video Gallery Section */
.video-gallery-section {
  margin-bottom: 56px;
  width: 100vw;
  position: relative;
  margin-left: calc((100% - 100vw) / 2);
  box-sizing: border-box;
}

.video-gallery-container {
  box-sizing: border-box;
  max-width: 1150px;
  margin-left: auto;
  margin-right: auto;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.video-gallery-container::-webkit-scrollbar {
  display: none;
}

.video-gallery {
  display: flex;
  gap: 20px;
  padding: 0 32px;
  padding-bottom: 16px;
  box-sizing: border-box;
  width: max-content;
  margin: 0 auto;
}

.gallery-video {
  flex: 0 0 auto;
  height: 220px;
  width: auto;
  border-radius: 18px;
  box-sizing: border-box;
  background-color: var(--bg-deep);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.gallery-video:hover {
  transform: scale(1.02) translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.gallery-nav {
  background: var(--honey-bronze);
  color: #000;
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
  margin: 0 8px;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(255, 184, 74, 0.3);
}

.gallery-nav:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(255, 184, 74, 0.4);
}

.gallery-nav-controls {
  display: flex;
  align-items: center;
  margin-right: 20px;
}

.gallery-caption-container {
  max-width: 960px;
  margin: 20px auto 0 auto;
  padding: 0 32px;
  box-sizing: border-box;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.figure-caption.gallery-caption {
  margin-bottom: 0;
  margin-top: 0;
  text-align: left;
  flex-grow: 1;
}

/* Real-to-Sim Layout */
.r2s-vertical-layout {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 12px;
  box-sizing: border-box;
}

.r2s-video-row {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: center;
}

.r2s-video-row > .r2s-video-item,
.r2s-video-row > .stacked-ego-videos {
  flex-grow: 1;
  flex-basis: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--border-subtle);
  box-sizing: border-box;
  background-color: var(--bg-deep);
  border-radius: 14px;
}

.r2s-top-row > .r2s-video-item,
.r2s-top-row > .stacked-ego-videos {
  max-height: 266px;
}

.r2s-bottom-row > .r2s-video-item,
.r2s-bottom-row > .stacked-ego-videos {
  max-height: 247px;
}

video.r2s-video-item {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  background-color: var(--bg-deep);
  border: none;
  border-radius: 12px;
}

.r2s-video-smpl,
.r2s-video-g1 {
  transform: scale(1.001);
}

.stacked-ego-videos {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: auto;
  height: 100%;
  max-width: 100%;
  border: none;
  background-color: transparent;
}

.stacked-ego-videos > video.r2s-video-item {
  aspect-ratio: 1 / 1;
  width: auto;
  height: calc(50% - 4px);
  min-height: 0;
}

.r2s-caption-row {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: -8px;
}

.r2s-caption-item {
  flex-grow: 1;
  flex-basis: 0;
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
}

/* Additional Video Row */
.additional-video-row {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: flex-start;
}

.additional-video-item {
  height: 220px;
  width: auto;
  border-radius: 18px;
  background-color: #000;
  box-shadow: var(--shadow-md);
}

#input-video-cropped { width: 350px; object-fit: cover; }
#input-video-cropped2 { width: 250px; object-fit: cover; }
#input-video-cropped3 { width: 300px; object-fit: cover; }
#input-video-cropped4 { width: 250px; object-fit: cover; }

.video-gallery .gallery-video {
  height: 224px;
  margin-right: 0;
  flex-shrink: 0;
}

#reconstructionGallerySection .gallery-video {
  height: 220px;
}

/* Fidelity Section */
.fidelity-section {
  margin: 36px auto 0;
  max-width: 1100px;
}

.fidelity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 18px;
}

.fidelity-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all 0.3s ease;
}

.fidelity-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.fidelity-item video {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  display: block;
  background: #000;
}

.fidelity-label {
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
}

/* Resources Section */
.resources-card {
  margin-top: 24px;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.resource-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.resource-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.resource-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(212, 148, 10, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--honey-bronze);
}

.resource-item h3 {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 10px 0;
  color: var(--text-primary);
}

.resource-item p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 18px 0;
  line-height: 1.6;
}

.resource-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--honey-bronze);
  text-decoration: none;
  transition: all 0.2s ease;
}

.resource-link:hover {
  gap: 10px;
}

.resource-link svg {
  transition: transform 0.2s ease;
}

.resource-link:hover svg {
  transform: translate(2px, -2px);
}

.resource-coming-soon {
  display: inline-block;
  font-family: 'Fira Code', monospace;
  font-size: 11px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 100px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

/* BibTeX */
.bibtex-code {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 32px;
  border-radius: 20px;
  margin: 88px auto -44px;
  max-width: 1000px;
  box-sizing: border-box;
  font-size: 14px;
  box-shadow: var(--shadow-sm);
}

.bibtex-title {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--text-primary);
}

.bibtex-code pre {
  white-space: pre;
  overflow-x: auto;
  margin: 0;
}

.bibtex-code code {
  font-family: 'Fira Code', monospace;
  font-size: 12px;
  line-height: 1.7;
}

/* Footer */
.footer {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 120px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 40px;
  text-align: center;
}

.footer a {
  color: var(--honey-bronze);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.footer a:hover {
  opacity: 0.8;
}

/* Pull Quote */
.pull-quote {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 24px;
  font-style: normal;
  font-weight: 500;
  margin: 64px 0 28px 0;
  color: var(--text-secondary);
  border-left: 3px solid var(--honey-bronze);
  padding-left: 28px;
}

/* Section Subtitle */
.section-subtitle {
  font-family: 'Fira Code', monospace;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: inline-block;
  padding: 12px 20px;
  margin: 36px 0;
  border-radius: 12px;
}

/* TOC Subsection */
.toc-subsection {
  margin-left: 20px;
  font-size: 0.9em;
}

/* Wide Section */
.wide-section {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 0 32px;
}

/* Recharts styles */
.recharts-card {
  margin-top: 28px;
}

.recharts-wrap {
  width: 100%;
}

.recharts-fallback {
  display: flex;
  gap: 16px;
  margin-top: 16px;
  font-size: 13px;
}

.recharts-stat {
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--honey-bronze);
  color: #000;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.recharts-stat.muted {
  background: var(--bg-elevated);
  color: var(--text-secondary);
}

.recharts-tooltip {
  background: var(--bg-deep);
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 12px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-subtle);
}

/* Scatter styles */
.scatter-flex {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.scatter-visual {
  flex: 1 1 520px;
}

.scatter-notes {
  flex: 1 1 300px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.notes-title {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.scatter-notes ul {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.scatter-legend .dot::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 8px;
}

.scatter-legend .dot.sim::before {
  background: var(--cool-horizon);
}

.scatter-legend .dot.base::before {
  background: var(--neon-violet);
}

/* Responsive */
@media (max-width: 768px) {
  body {
    padding: 24px 18px;
    font-size: 14px;
  }
  
  .hero-text {
    font-size: 48px;
  }
  
  .sub-hero-text {
    font-size: 20px;
  }
  
  .hero-flow {
    padding: 40px 28px 32px 28px;
    border-radius: 24px;
  }
  
  .top-nav {
    padding: 12px 18px;
    gap: 10px;
  }
  
  .nav-links {
    display: none;
  }
  
  .tagline {
    font-size: 24px;
  }
  
  .card-surface {
    padding: 24px;
    border-radius: 20px;
  }
  
  .section-heading {
    font-size: 24px;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Selection */
::selection {
  background: rgba(255, 184, 74, 0.25);
  color: var(--text-primary);
}

/* Focus */
:focus-visible {
  outline: 2px solid var(--honey-bronze);
  outline-offset: 3px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-elevated);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}