:root {
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --accent-color: #60a5fa;
  --title-color: #a78bfa;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-light: #94a3b8;
  --background-primary: #0f172a;
  --background-secondary: #1e293b;
  --background-accent: #334155;
  --border-color: #334155;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.35);
  --shadow-md: 0 4px 8px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 14px 30px rgb(0 0 0 / 0.45);
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --transition: all 0.25s ease;
}

html {
  scroll-behavior: smooth;
  background: var(--background-primary);
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--background-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent-color);
  transition: var(--transition);
}

a:hover {
  color: #ffffff;
}

.title {
  color: var(--text-primary) !important;
  font-family: 'Inter', sans-serif !important;
}

.subtitle {
  color: var(--text-secondary) !important;
}

.hero,
.section {
  background: var(--background-primary);
}

.hero.is-light,
.section.is-light {
  background: var(--background-secondary) !important;
}

.hero-body {
  padding: 3rem 1.5rem;
}

.publication-header .hero-body {
  padding: 4.5rem 1.5rem 3rem;
}

.publication-title {
  max-width: 1050px;
  margin: 0 auto 1.5rem !important;
  color: var(--title-color) !important;
  font-size: clamp(2.25rem, 4.25vw, 3.4rem) !important;
  font-weight: 800 !important;
  letter-spacing: -0.035em;
  line-height: 1.08 !important;
}

.publication-authors {
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif !important;
  font-weight: 400;
  line-height: 1.75;
}

.publication-authors a {
  color: var(--accent-color) !important;
  font-weight: 500;
  text-decoration: none;
}

.publication-authors a:hover {
  color: #ffffff !important;
  text-decoration: underline;
  text-decoration-color: rgb(255 255 255 / 0.8);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

.author-block {
  display: inline-block;
  margin: 0 0.2rem;
}

.publication-affiliations {
  margin-top: 0.4rem;
  font-size: 0.95rem !important;
  line-height: 1.7;
}

.publication-notes {
  margin-top: 0.5rem;
  color: var(--text-light);
  font-size: 0.875rem;
}

.publication-contact {
  margin-top: 0.25rem;
  font-size: 0.875rem;
}

.publication-links {
  margin-top: 0.25rem;
}

.link-block a {
  margin: 0.3rem 0.2rem;
}

.publication-links .button .icon {
  display: inline-flex;
  flex: 0 0 1.5em;
  align-items: center;
  justify-content: center;
  width: 1.5em;
  height: 1.5em;
  line-height: 1;
}

.publication-links .button .icon i,
.publication-links .button .icon svg {
  width: 1em;
  height: 1em;
  font-size: 1em;
  line-height: 1;
}

.hf-icon::before {
  display: block;
  content: '🤗';
  font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', sans-serif;
  font-size: 1em;
  line-height: 1;
  transform: translateY(-0.04em);
}

.button,
.publication-links .button {
  min-height: 2.75rem;
  padding: 0.65rem 1.25rem !important;
  color: var(--text-primary) !important;
  background: var(--background-secondary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 999px !important;
  box-shadow: var(--shadow-sm);
  font-family: 'Inter', sans-serif;
  font-weight: 600 !important;
  transition: var(--transition) !important;
}

.button:hover,
.publication-links .button:hover {
  color: #ffffff !important;
  background: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.button:focus,
a:focus,
.copy-bibtex-btn:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 3px;
}

.publication-banner video,
.publication-banner img {
  display: block;
  width: 100%;
  max-height: 620px;
  margin: 0 auto;
  object-fit: contain;
  background: #000000;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.title.is-3 {
  display: inline-block;
  margin-bottom: 1.5rem !important;
  padding-bottom: 0;
  border-bottom: none;
  font-size: 1.75rem !important;
  font-weight: 700 !important;
}

.abstract-box {
  padding: 2.25rem;
  color: var(--text-secondary) !important;
  text-align: justify;
  background: var(--background-accent);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.content,
.content p,
.content li {
  color: var(--text-secondary);
}

.content strong {
  color: var(--text-primary);
}

.content.has-text-justified {
  font-size: 1.05rem;
  line-height: 1.8;
}

.content.has-text-justified p:last-child {
  margin-bottom: 0;
}

.section-heading {
  max-width: 860px;
  margin: 0 auto 2rem;
}

.section-heading .title {
  margin-bottom: 0.75rem !important;
  font-size: clamp(2rem, 4vw, 2.7rem) !important;
  font-weight: 750 !important;
}

.section-kicker {
  margin-bottom: 0.4rem;
  color: var(--title-color);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-intro,
.section-description {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.75;
}

.section-description {
  max-width: 980px;
  margin: 1.5rem auto 0;
  text-align: center;
}

.research-section,
.key-findings-section {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.finding-stack {
  display: grid;
  gap: 2rem;
}

.finding-card {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--background-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.finding-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.finding-number {
  display: inline-flex;
  flex: 0 0 3rem;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  color: #ffffff;
  background: var(--title-color);
  border-radius: 50%;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.finding-heading h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.35;
}

.research-figure {
  margin: 0;
  padding: 0.7rem;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 14px;
}

.research-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.task-figure-stack {
  display: grid;
  gap: 1.75rem;
}

.finding-part + .finding-part {
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-color);
}

.finding-part-title {
  margin: 0 0 0.9rem;
  color: var(--title-color);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.4;
}

.task-figure-title {
  margin: 0.65rem 0 0;
  color: var(--text-secondary);
  font-size: 1.02rem;
  font-weight: 400;
  line-height: 1.75;
  text-align: center;
}

.simulation-benchmark-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
}

.simulation-benchmark-title a {
  display: inline-flex;
  align-items: center;
}

.robodojo-logo {
  display: block;
  width: auto;
  max-width: 120px;
  height: 1.45rem;
  object-fit: contain;
  transition: var(--transition);
}

.simulation-benchmark-title a:hover .robodojo-logo {
  opacity: 0.78;
}

.finding-caption,
.finding-part-caption {
  margin-top: 1.35rem;
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.75;
}

.finding-part-caption {
  margin-bottom: 0;
  margin-top: 0.8rem;
}

.finding-emphasis {
  color: var(--title-color);
  font-weight: 700;
}

.standalone-figure {
  max-width: 1180px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.robot-task-list {
  display: grid;
  gap: 2rem;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

.robot-task-row {
  padding: 1.5rem;
  background: var(--background-primary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
}

.robot-task-title {
  margin: 0 0 1rem;
  color: var(--text-primary);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
}

.robot-video-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.robot-video-pair video {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #000000;
  border-radius: 10px;
  object-fit: contain;
}

.publication-banner {
  margin: 2rem 0;
}

.publication-video {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
  background: #000000;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.publication-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius);
}

.results-carousel {
  overflow: hidden;
  padding: 0.5rem 0 1.5rem;
}

.results-carousel .item {
  margin: 0.75rem;
  padding: 0.75rem;
  overflow: hidden;
  color: var(--text-secondary);
  font-size: 0;
  background: var(--background-secondary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
}

.results-carousel .item img,
.results-carousel .item video {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
  background: #000000;
  border-radius: 10px;
}

.results-carousel .subtitle {
  margin-top: 0.8rem;
  padding: 0 0.4rem 0.25rem;
  font-size: 0.95rem !important;
  font-weight: 400;
  line-height: 1.5;
}

.slider-pagination .slider-page {
  background: var(--text-light);
  transition: var(--transition);
}

.slider-pagination .slider-page.is-active {
  background: var(--accent-color);
  transform: scale(1.2);
}

.slider-navigation-previous,
.slider-navigation-next {
  color: var(--text-primary) !important;
  background: rgb(30 41 59 / 0.9) !important;
  border: 1px solid var(--border-color) !important;
}

.bibtex-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.bibtex-header .title {
  margin-bottom: 0 !important;
}

pre,
#bibtex-code {
  padding: 1.5rem !important;
  overflow-x: auto;
  color: var(--text-secondary) !important;
  text-align: left !important;
  white-space: pre;
  background: var(--background-secondary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 8px !important;
  box-shadow: var(--shadow-sm);
  font-family: 'Menlo', 'Monaco', 'SFMono-Regular', monospace !important;
  font-size: 0.85rem !important;
}

code,
#bibtex-code code {
  display: block;
  color: var(--text-secondary) !important;
  white-space: pre;
  background: transparent !important;
  font-family: inherit !important;
}

.copy-bibtex-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.8rem;
  color: var(--text-primary);
  background: var(--background-accent);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}

.copy-bibtex-btn:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.copy-bibtex-btn.copied {
  background: #059669;
  border-color: #059669;
}

.scroll-to-top {
  position: fixed;
  right: 2rem;
  bottom: 2rem;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  color: #ffffff;
  background: var(--background-accent);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.scroll-to-top:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.footer {
  margin-top: 2rem;
  padding: 3rem 1.5rem;
  background: var(--background-secondary);
  border-top: 1px solid var(--border-color);
}

.footer .content,
.footer p {
  color: var(--text-secondary);
}

.footer a,
.footer .icon-link {
  color: var(--text-light);
  text-decoration: underline;
}

.footer a:hover,
.footer .icon-link:hover {
  color: var(--accent-color);
}

.dnerf {
  font-variant: small-caps;
}

@media screen and (max-width: 768px) {
  .publication-header .hero-body {
    padding: 3rem 1rem 2rem;
  }

  .hero-body,
  .section {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .publication-title {
    font-size: clamp(1.85rem, 9vw, 2.5rem) !important;
    line-height: 1.12 !important;
  }

  .publication-authors {
    font-size: 1rem !important;
  }

  .abstract-box {
    padding: 1.5rem;
    text-align: left;
  }

  .research-section,
  .key-findings-section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .finding-card {
    padding: 1.2rem;
  }

  .finding-heading {
    align-items: flex-start;
  }

  .finding-number {
    flex-basis: 2.6rem;
    width: 2.6rem;
    height: 2.6rem;
  }

  .robot-video-pair {
    grid-template-columns: 1fr;
  }

  .robot-task-row {
    padding: 1rem;
  }

  .results-carousel .item {
    margin: 0.45rem;
    padding: 0.55rem;
  }

  .scroll-to-top {
    right: 1rem;
    bottom: 1rem;
  }
}

@media screen and (max-width: 480px) {
  .button,
  .publication-links .button {
    width: 100%;
    justify-content: center;
    margin: 0.25rem 0;
  }

  .link-block {
    display: block;
  }

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

@media print {
  .scroll-to-top {
    display: none;
  }

  .button {
    color: #000000 !important;
    background: transparent !important;
    box-shadow: none;
  }
}