:root {
  --ink: #17211f;
  --muted: #5d6b66;
  --soft: #f5f7f4;
  --panel: #ffffff;
  --line: #dce4df;
  --teal: #0f766e;
  --teal-dark: #0a4f49;
  --coral: #c9573f;
  --moss: #5d7f45;
  --amber: #b7791f;
  --radius: 8px;
  --shadow: 0 14px 40px rgb(23 33 31 / 0.12);
  --shadow-soft: 0 8px 24px rgb(23 33 31 / 0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--ink);
  background: var(--soft);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--teal);
  text-decoration: none;
}

a:hover {
  color: var(--teal-dark);
  text-decoration: underline;
}

.section {
  padding: 4.5rem 1.5rem;
}

.publication-header {
  background: #eef3ef;
  border-bottom: 1px solid var(--line);
}

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

.venue-badge {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid rgb(15 118 110 / 0.28);
  border-radius: var(--radius);
  color: var(--teal-dark);
  background: #e7f2ef;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 1.4rem;
}

.publication-title {
  color: var(--ink) !important;
  font-size: 5.2rem !important;
  line-height: 0.98 !important;
  letter-spacing: 0 !important;
  font-weight: 900 !important;
  margin-bottom: 1rem !important;
}

.publication-subtitle {
  color: var(--muted) !important;
  font-size: 1.35rem !important;
  line-height: 1.35 !important;
  max-width: 52rem;
  margin-bottom: 1.5rem !important;
}

.publication-authors {
  font-size: 1.05rem;
  font-weight: 650;
  margin-bottom: 0.8rem;
}

.author-block {
  display: inline-block;
  margin-right: 0.85rem;
  margin-bottom: 0.2rem;
}

.publication-meta {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 1.4rem;
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.button {
  border-radius: var(--radius) !important;
  font-weight: 800 !important;
  border: 0 !important;
  min-height: 2.75rem;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button.is-dark {
  background: var(--ink) !important;
  color: #ffffff !important;
  box-shadow: var(--shadow-soft);
}

.button.is-dark:hover {
  background: var(--teal-dark) !important;
  color: #ffffff !important;
  transform: translateY(-2px);
  text-decoration: none;
}

.button.is-disabled {
  background: #6b7280 !important;
  cursor: default;
  opacity: 0.86;
}

.button.is-disabled:hover {
  transform: none;
  background: #6b7280 !important;
}

.hero-figure,
.paper-figure,
.analysis-card,
.info-card,
.stat-item {
  border-radius: var(--radius);
}

.hero-figure {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-figure img,
.paper-figure img,
.analysis-card img {
  display: block;
  width: 100%;
  height: auto;
}

figcaption {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
  padding: 0.85rem 1rem 1rem;
}

.abstract-section {
  background: #ffffff;
}

.title.is-3 {
  color: var(--ink);
  font-weight: 900 !important;
  letter-spacing: 0;
  margin-bottom: 1.3rem !important;
}

.paper-text {
  color: var(--muted);
  font-size: 1.12rem;
}

.paper-text p {
  margin-bottom: 1.2rem;
}

.stat-section {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  background: #eef3ef;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.stat-item {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 1.2rem;
  box-shadow: var(--shadow-soft);
}

.stat-value {
  display: block;
  color: var(--teal-dark);
  font-size: 1.65rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.stat-label {
  color: var(--muted);
  font-weight: 700;
  font-size: 0.94rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.section-heading p {
  color: var(--muted);
  font-size: 1.08rem;
}

.paper-figure {
  margin: 0 0 2rem;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.method-overview {
  align-items: stretch;
}

.method-cards {
  display: grid;
  gap: 1rem;
  height: 100%;
}

.info-card,
.analysis-card {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.info-card {
  padding: 1.35rem;
}

.info-card h3,
.analysis-card h3 {
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 900;
  margin-bottom: 0.55rem;
}

.info-card p,
.analysis-card p {
  color: var(--muted);
  margin: 0;
}

.wide-figure {
  margin-top: 1.25rem;
}

.result-section,
.paper-section {
  background: #ffffff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.analysis-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.analysis-card {
  overflow: hidden;
}

.analysis-card h3,
.analysis-card p {
  padding-left: 1rem;
  padding-right: 1rem;
}

.analysis-card h3 {
  padding-top: 1rem;
}

.analysis-card p {
  padding-bottom: 1.15rem;
}

.paper-frame {
  width: 100%;
  height: 680px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

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

.copy-bibtex-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.5rem;
  padding: 0 0.9rem;
  border: 0;
  border-radius: var(--radius);
  background: var(--teal);
  color: #ffffff;
  font-weight: 850;
  cursor: pointer;
  transition: background 180ms ease, transform 180ms ease;
}

.copy-bibtex-btn:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
}

.copy-bibtex-btn.copied {
  background: var(--moss);
}

pre {
  background: #111816 !important;
  color: #eef7f3 !important;
  border: 1px solid #293a35 !important;
  border-radius: var(--radius) !important;
  padding: 1.2rem !important;
  font-size: 0.9rem !important;
  overflow-x: auto;
}

code {
  color: inherit !important;
  background: transparent !important;
  font-family: "SF Mono", Monaco, Consolas, "Liberation Mono", monospace !important;
}

.footer {
  background: #111816;
  color: #c6d2cd;
  padding: 2.5rem 1.5rem;
}

.footer a {
  color: #9dd9ce;
}

.scroll-to-top {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 50;
  width: 3rem;
  height: 3rem;
  border: 0;
  border-radius: 50%;
  background: var(--teal);
  color: #ffffff;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  box-shadow: var(--shadow);
  transition: opacity 180ms ease, visibility 180ms ease, transform 180ms ease;
}

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

.scroll-to-top:hover {
  transform: translateY(-2px);
  background: var(--teal-dark);
}

@media screen and (max-width: 1024px) {
  .publication-title {
    font-size: 4rem !important;
  }

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

@media screen and (max-width: 768px) {
  .section {
    padding: 3rem 1rem;
  }

  .publication-header .hero-body {
    padding: 3rem 1rem 2rem;
  }

  .publication-subtitle {
    font-size: 1.12rem !important;
  }

  .publication-title {
    font-size: 2.7rem !important;
  }

  .publication-links {
    align-items: stretch;
  }

  .publication-links .button {
    width: 100%;
    justify-content: center;
  }

  .stats-grid,
  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .paper-frame {
    height: 520px;
  }

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