:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --text-primary: #0f172a;
  --text-body: #334155;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --bg-white: #ffffff;
  --bg-light: #f8fafc;
  --bg-accent: #f1f5f9;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-xs: 0 1px 2px rgb(0 0 0 / .04);
  --shadow-sm: 0 1px 3px rgb(0 0 0 / .06), 0 1px 2px rgb(0 0 0 / .04);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / .07), 0 2px 4px -2px rgb(0 0 0 / .05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .08), 0 4px 6px -4px rgb(0 0 0 / .04);
  --radius: 10px;
  --radius-lg: 14px;
  --ease: cubic-bezier(.4, 0, .2, 1);
  --transition: .25s var(--ease);
  --font-results-mono: ui-monospace, "SF Mono", "Monaco", "Cascadia Code", "Roboto Mono", "Menlo", monospace;
}


/* ── Base ──────────────────────────────────────────── */

.icon-svg {
  width: 1em;
  height: 1em;
  display: inline-block;
  fill: currentColor;
  vertical-align: -0.125em;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-body);
  line-height: 1.65;
  font-size: 16px;
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


/* ── Related Works Dropdown ───────────────────────── */

.more-works-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
}

.more-works-btn {
  background: var(--bg-white);
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: .6rem 1rem;
  font-weight: 600;
  font-size: .85rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-family: inherit;
}

.more-works-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.more-works-btn .dropdown-arrow { transition: transform var(--transition); }
.more-works-btn.active .dropdown-arrow { transform: rotate(180deg); }

.more-works-dropdown {
  position: absolute;
  top: calc(100% + .5rem);
  right: 0;
  width: 370px;
  max-width: 90vw;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  max-height: 70vh;
  overflow-y: auto;
}

.more-works-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1rem .75rem;
  border-bottom: 1px solid var(--border);
}

.dropdown-header h4 {
  margin: 0;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: .35rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.close-btn:hover {
  background: var(--bg-accent);
  color: var(--text-primary);
}

.works-list { padding: .75rem; }

.work-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .75rem;
  padding: .75rem;
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

.work-item + .work-item { margin-top: .25rem; }
.work-item:hover { background: var(--bg-accent); }

.work-info h5 {
  margin: 0 0 .25rem;
  font-size: .95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.work-info p {
  margin: 0 0 .25rem;
  font-size: .85rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.work-venue {
  font-size: .78rem;
  color: var(--text-light);
  font-weight: 500;
}


/* ── Scroll to Top ────────────────────────────────── */

.scroll-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  background: var(--text-primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  box-shadow: var(--shadow-lg);
}

.scroll-to-top.visible { opacity: 1; visibility: visible; }
.scroll-to-top:hover { background: var(--primary); transform: translateY(-2px); }


/* ── Buttons / Links ──────────────────────────────── */

.button {
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
  transition: all var(--transition) !important;
  font-family: inherit !important;
}

.button.is-dark {
  background: var(--text-primary) !important;
  border: none !important;
  color: white !important;
  box-shadow: var(--shadow-sm);
}

.button.is-dark:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  background: var(--primary) !important;
}

.placeholder-link {
  opacity: .55;
  cursor: default !important;
}

.placeholder-link:hover {
  transform: none !important;
  background: var(--text-primary) !important;
}

.link-block a { margin: 5px 4px; }

.publication-authors a {
  color: var(--primary);
  text-decoration: none;
}

.publication-authors a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}


/* ── Hero / Header ────────────────────────────────── */

.hero { position: relative; overflow: hidden; }

.hero.is-light {
  background: var(--bg-light);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.hero-body { padding: 2.5rem 1.5rem; }

.publication-header .hero-body {
  padding: 3.5rem 1.5rem 1.75rem;
}

.publication-venue {
  color: var(--text-secondary);
  width: fit-content;
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: var(--bg-accent);
  padding: .4rem .9rem;
  border-radius: var(--radius);
  margin: 0 auto .9rem;
  display: inline-block;
}

.publication-title {
  font-family: "Inter", sans-serif !important;
  font-weight: 800 !important;
  color: var(--text-primary) !important;
  margin-bottom: 1.1rem !important;
  line-height: 1.12 !important;
  letter-spacing: -.02em;
}

.publication-authors {
  font-family: "Inter", sans-serif !important;
  font-weight: 500;
  margin-bottom: .45rem;
  font-size: 1.05rem;
}

.publication-affiliations {
  color: var(--text-secondary);
  font-size: .95rem;
}

.publication-affiliations span { margin: 0 .4rem; }

.author-block { display: inline-block; margin-right: .35rem; }

.equal-contrib {
  margin-top: .4rem;
  color: var(--text-light);
  font-size: .88rem;
}

.publication-links { margin-top: .85rem; }

.mobile-break { display: none; }


/* ── Teaser ───────────────────────────────────────── */

.teaser .hero-body {
  padding-top: .5rem;
  padding-bottom: .8rem;
}

.teaser-figure {
  margin: 0;
}

.teaser-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.teaser-figure img + img {
  margin-top: 2px;
}

.teaser-figure figcaption {
  padding: .85rem 0 0;
  color: var(--text-secondary);
  font-size: .94rem;
  line-height: 1.6;
  text-align: center;
}


/* ── Sections ─────────────────────────────────────── */

.section { padding: 3rem 1.5rem; }

.section-title {
  font-family: "Inter", sans-serif !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  margin-bottom: .85rem !important;
  letter-spacing: -.01em;
}

.paper-copy {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-body);
}

.paper-copy p:last-child { margin-bottom: 0; }

#tldr .hero-body {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.tldr-copy {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-body);
  max-width: 48em;
}

.tldr-copy em {
  font-style: normal;
  font-weight: 600;
  color: var(--text-primary);
}


/* ── Key Numbers Strip ────────────────────────────── */

.key-numbers-section {
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.key-numbers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.key-number {
  text-align: center;
  padding: 1rem .5rem;
}

.key-value {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -.03em;
}

.key-unit {
  font-size: .55em;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0;
}

.key-label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--text-body);
  margin-top: .45rem;
  line-height: 1.35;
}

.key-context {
  display: block;
  font-size: .8rem;
  color: var(--text-light);
  margin-top: .2rem;
}

.key-vs {
  font-size: .45em;
  font-weight: 600;
  color: var(--text-light);
  vertical-align: .15em;
  letter-spacing: 0;
}


/* ── Figures ──────────────────────────────────────── */

.paper-figure {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-white);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition);
}

.paper-figure:hover { box-shadow: var(--shadow-sm); }

.paper-figure img {
  width: 100%;
  height: auto;
  background: white;
  display: block;
}

.figure-padded img { padding: 1rem; }

.billiard-split {
  display: flex;
  padding: 1rem;
  gap: 1rem;
}

.billiard-svg-half {
  flex: 1.0226 1 0%;
  min-width: 0;
}

.billiard-svg-half img {
  width: 100%;
  height: auto;
  display: block;
}

.billiard-video-half {
  flex: 0.9009 1 0%;
  min-width: 0;
}

.billiard-video-half video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
}

.figure-grid .paper-figure img,
.benchmark-figures .paper-figure img {
  padding: .85rem;
}

.paper-figure figcaption {
  padding: .75rem 1rem .85rem;
  color: var(--text-secondary);
  font-size: .9rem;
  line-height: 1.55;
  border-top: 1px solid var(--border-light);
}

.paper-figure figcaption strong {
  color: var(--text-primary);
  font-weight: 600;
}

.figure-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
  margin-top: 1.25rem;
}

.benchmark-figures {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.benchmark-figures .paper-figure:last-child img { padding: 0; }


/* ── Results / Tables ─────────────────────────────── */

.results-block { margin-top: 2rem; }
.results-block:first-child { margin-top: 1rem; }

.table-title {
  margin-bottom: .6rem !important;
  color: var(--text-primary);
  font-weight: 700 !important;
  letter-spacing: -.01em;
}

.results-block .paper-copy { margin-bottom: 1rem; }

.results-table-wrapper { overflow-x: auto; }

.results-table {
  border: 1px solid var(--border);
  border-radius: var(--radius) !important;
  overflow: hidden;
  background: white;
  font-size: .92rem;
  border-collapse: separate;
  border-spacing: 0;
}

.results-table th,
.results-table td {
  border-color: var(--border) !important;
  padding: .65rem .85rem !important;
  vertical-align: middle;
  border-bottom: 1px solid var(--border) !important;
  border-right: none !important;
  border-left: none !important;
  border-top: none !important;
}

.results-table thead th {
  background: var(--bg-accent);
  color: var(--text-primary);
  font-weight: 600;
  font-size: .85rem;
  white-space: nowrap;
}

/* Monospace headers for benchmark subcolumns (N=5 / T=5min), not Params or Throughput */
.results-table:not(.compact-results):not(.detailed-table) thead tr:nth-child(2) th,
.results-table.detailed-table thead tr:nth-child(2) th {
  font-family: var(--font-results-mono) !important;
  font-variant-numeric: tabular-nums;
}

.results-table.compact-results thead tr th.has-text-right:nth-child(2) {
  font-family: var(--font-results-mono) !important;
  font-variant-numeric: tabular-nums;
}

.results-table tbody tr:last-child td { border-bottom: none !important; }

.results-table td { color: var(--text-body); transition: background var(--transition); }

/* Main results: monospace for minADE columns only (cols 4+), not Params or Throughput */
.results-table:not(.detailed-table):not(.compact-results) tbody td:nth-child(n+4) {
  font-family: var(--font-results-mono) !important;
  font-variant-numeric: tabular-nums;
}

.results-table.detailed-table tbody td:not(:first-child) {
  font-family: var(--font-results-mono) !important;
  font-variant-numeric: tabular-nums;
}

.results-table.compact-results tbody td:nth-child(2) {
  font-family: var(--font-results-mono) !important;
  font-variant-numeric: tabular-nums;
}

.results-table tbody tr:hover td { background: var(--bg-light); }

.results-table .ours-row td {
  color: var(--text-primary);
  background: #eff6ff;
}

.results-table .ours-row td:first-child { font-weight: 700; }

.results-table tbody tr.ours-row:hover td { background: #e0edff; }

.results-table .ours-ablation-row td {
  color: var(--text-secondary);
  font-style: italic;
}

.results-table .oracle-row td {
  color: var(--text-light);
}

.th-sub {
  font-weight: 500;
  font-size: .78rem;
  color: var(--text-secondary);
}

.results-table td strong { color: var(--text-primary); font-weight: 700; }
.results-table .ours-row td strong { font-weight: 700; }

.results-table td.col-faded,
.results-table .ours-row td.col-faded { color: var(--text-light); }
.results-table th.col-faded .th-sub { color: var(--text-light); }
.results-table td.col-faded strong,
.results-table .ours-row td.col-faded strong { color: var(--text-light); font-weight: 700; }
.results-table td.col-faded u,
.results-table .ours-row td.col-faded u { color: var(--text-light); }

/* Detailed OWM subsets: N=5 columns only (even td after Method; odd th in 2nd header row) */
.detailed-table thead tr:nth-child(2) th:nth-child(odd),
.detailed-table thead tr:nth-child(2) th:nth-child(odd) .th-sub {
  color: var(--text-light);
}

.detailed-table tbody td:nth-child(even) {
  color: var(--text-light);
}

.detailed-table tbody td:nth-child(even) strong {
  color: var(--text-light);
  font-weight: 700;
}

.detailed-table tbody td:nth-child(even) u {
  color: var(--text-light);
}

.results-table.detailed-table tbody tr.ours-row td:nth-child(even) {
  color: var(--text-light);
}

.results-table.detailed-table tbody tr.ours-row td:nth-child(even) strong {
  color: var(--text-light);
  font-weight: 700;
}

.results-table.detailed-table tbody tr.ours-row td:nth-child(even) u {
  color: var(--text-light);
}

.results-figure-block {
  margin-top: 1.75rem;
}

.results-figure-block img {
  width: 100%;
  max-width: 900px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.compact-table-wrapper { max-width: 600px; }

.detailed-table { font-size: .84rem; }

.detailed-table th,
.detailed-table td { padding: .55rem .65rem !important; }

.col-group-a { background: var(--bg-accent) !important; }
.col-group-b { background: var(--bg-light) !important; }
.detailed-table tbody .col-group-a { background: transparent !important; }
.detailed-table tbody .col-group-b { background: transparent !important; }


/* ── Metric Explainer ─────────────────────────────── */

.metric-explainer {
  margin-bottom: 1.75rem;
}

.metric-explainer > p {
  color: var(--text-body);
  font-size: 1.02rem;
  line-height: 1.7;
  margin-bottom: .85rem;
}

.metric-list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .25rem 1rem;
  font-size: .92rem;
  line-height: 1.55;
}

.metric-list dt {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  padding-top: .15rem;
}

.metric-list dd {
  color: var(--text-secondary);
  margin: 0;
  padding-bottom: .4rem;
}

.metric-list dd em {
  font-style: normal;
  font-weight: 500;
  color: var(--text-body);
}

.expand-note {
  font-size: .88rem;
  color: var(--text-secondary);
  margin-bottom: .75rem;
  line-height: 1.5;
}

.table-note {
  font-size: .88rem;
  color: var(--text-secondary);
  margin-top: .65rem;
  line-height: 1.5;
  font-style: italic;
}


/* ── Expandable Section ───────────────────────────── */

.expand-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .55rem 1rem;
  font-size: .88rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  transition: var(--transition);
  font-family: inherit;
}

.expand-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: #eff6ff;
}

.expand-arrow { transition: transform var(--transition); }
.expand-btn[aria-expanded="true"] .expand-arrow { transform: rotate(180deg); }

.expandable-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height .45s var(--ease), opacity .35s var(--ease), margin .35s var(--ease);
  opacity: 0;
  margin-top: 0;
}

.expandable-content.show {
  max-height: 1200px;
  opacity: 1;
  margin-top: 1rem;
}


/* ── BibTeX ───────────────────────────────────────── */

pre {
  background: var(--bg-accent) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  padding: 1.15rem 1.25rem !important;
  font-size: .88rem !important;
  overflow-x: auto;
  box-shadow: var(--shadow-xs);
}

code {
  background: transparent !important;
  color: var(--text-primary) !important;
  font-family: "SF Mono", "Monaco", "Cascadia Code", "Roboto Mono", "Menlo", monospace !important;
}

.bibtex-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .85rem;
}

.copy-bibtex-btn {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  padding: .6rem .9rem;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: inherit;
}

.copy-bibtex-btn:hover { background: var(--primary-hover); }
.copy-bibtex-btn.copied { background: #059669; }


/* ── Footer ───────────────────────────────────────── */

.footer {
  background: var(--bg-light);
  border-top: 1px solid var(--border-light);
  padding: 2rem 1.5rem;
}

.footer .content { color: var(--text-light); font-size: .9rem; }
.footer a { color: var(--text-secondary); }
.footer a:hover { color: var(--primary); }


/* ── Responsive ───────────────────────────────────── */

@media screen and (max-width: 1024px) {
  .key-numbers { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}

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

  .publication-header .hero-body { padding: 2.5rem 1rem 1.25rem; }

  .publication-title {
    font-size: 2rem !important;
    line-height: 1.15 !important;
  }

  .mobile-break { display: inline; }

  .section { padding: 2rem 1rem; }

  .figure-grid { grid-template-columns: 1fr; }

  .billiard-split { flex-direction: column; }

  .figure-grid .paper-figure img,
  .benchmark-figures .paper-figure img,
  .figure-padded img {
    padding: .6rem;
  }

  .benchmark-figures .paper-figure:last-child img { padding: 0; }

  .key-numbers { grid-template-columns: repeat(2, 1fr); gap: .75rem; }
  .key-value { font-size: 1.8rem; }
  .key-label { font-size: .82rem; }

  .bibtex-header {
    flex-direction: column;
    align-items: flex-start;
    gap: .5rem;
  }

  .more-works-container {
    top: auto;
    right: 1rem;
    bottom: 1rem;
  }

  .more-works-btn { padding: .55rem .85rem; font-size: .8rem; }

  .scroll-to-top {
    bottom: calc(1rem + 40px + .75rem);
  }

  .more-works-dropdown {
    top: auto;
    bottom: calc(100% + .5rem);
    width: min(370px, calc(100vw - 2rem));
  }

  .compact-table-wrapper { max-width: 100%; }

  .metric-list {
    grid-template-columns: 1fr;
    gap: .1rem;
  }

  .metric-list dt { padding-top: .35rem; }
  .metric-list dd { padding-bottom: .5rem; }

  .detailed-table { font-size: .75rem; }
  .detailed-table th,
  .detailed-table td { padding: .4rem .35rem !important; }

  .results-table { font-size: .85rem; }

  .publication-affiliations span { margin: 0 .25rem; }
}

@media screen and (max-width: 480px) {
  .key-numbers { grid-template-columns: 1fr 1fr; gap: .5rem; }
  .key-number { padding: .75rem .25rem; }
  .key-value { font-size: 1.6rem; }
  .publication-title { font-size: 1.7rem !important; }
  .publication-authors { font-size: .95rem; }
}