/* Shared visual system for project pages. Mirrors the personal homepage while
   leaving room for wide figures, tables, and video comparisons. */

html.paper-document {
  font-size: 16px;
  scroll-behavior: smooth;
}

body.paper-page {
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-light: #eff6ff;
  --accent-mid: #bfdbfe;
  --text-primary: #0a1628;
  --text-secondary: #1e3a5f;
  --text-muted: #52647a;
  --text: var(--text-primary);
  --muted: var(--text-muted);
  --border: #e2e8f0;
  --background: #ffffff;
  --background-subtle: #f8fafc;
  --bg: var(--background);
  --bg-warm: var(--background);
  --bg-pattern: var(--background-subtle);
  --bg-soft: var(--background-subtle);
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --accent-soft: var(--accent-light);
  --radius: 8px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.07);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.09);
  --shadow: var(--shadow-sm);
  --paper-width: 1120px;
  --reading-width: var(--paper-width);
  --nav-height: 58px;

  margin: 0;
  color: var(--text-primary);
  background: var(--background);
  font-family: "Noto Sans", "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body.paper-page::before,
body.paper-page::after {
  content: none;
  display: none;
}

.paper-page *,
.paper-page *::before,
.paper-page *::after {
  box-sizing: border-box;
}

.paper-page a {
  color: var(--accent);
  text-decoration: none;
}

.paper-page a:hover {
  text-decoration: underline;
}

.paper-page img {
  display: block;
  max-width: 100%;
}

.paper-page button,
.paper-page a {
  -webkit-tap-highlight-color: transparent;
}

.paper-page :focus-visible {
  outline: 3px solid #1d4ed8;
  outline-offset: 3px;
}

.paper-page .skip-link {
  position: fixed;
  top: 8px;
  left: 12px;
  z-index: 200;
  padding: 7px 11px;
  border-radius: 6px;
  color: #ffffff;
  background: var(--accent);
  font-size: 13px;
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform 0.15s;
}

.paper-page .skip-link:focus {
  color: #ffffff;
  transform: translateY(0);
  text-decoration: none;
}

.paper-page .container {
  width: min(var(--paper-width), calc(100% - 48px));
  max-width: none;
  margin: 0 auto;
  padding: 0;
}

.paper-page .page-wrapper {
  min-height: 100vh;
}

.paper-page .main-content {
  padding-top: var(--nav-height);
}

/* Navigation */
.paper-page .nav-top {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: none;
}

.paper-page .nav-top.nav-hidden {
  transform: none;
}

.paper-page .nav-inner {
  width: 100%;
  max-width: var(--paper-width);
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 20px;
}

.paper-page .nav-brand {
  flex: 0 0 auto;
  margin-right: auto;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.paper-page .nav-brand:hover {
  color: var(--accent);
  text-decoration: none;
}

.paper-page .nav-links {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 2px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
}

.paper-page .nav-links::-webkit-scrollbar {
  display: none;
}

.paper-page .nav-links a {
  flex: 0 0 auto;
  display: block;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}

.paper-page .nav-links a:hover,
.paper-page .nav-links a.active {
  color: var(--accent);
  background: var(--accent-light);
  text-decoration: none;
}

/* Hero */
.paper-page header,
.paper-page .hero {
  position: relative;
  z-index: 0;
  isolation: isolate;
  padding: 56px 24px 40px;
  overflow: visible;
  text-align: center;
}

.paper-page header::before,
.paper-page .hero::before {
  content: "";
  position: absolute;
  inset: 0 calc(50% - 50vw);
  z-index: -1;
  border-bottom: 1px solid #dfe4ec;
  background: linear-gradient(180deg, #fbfcff 0%, #eef3f8 100%);
  pointer-events: none;
}

.paper-page header::after,
.paper-page .hero::after {
  display: none;
}

.paper-page .hero-grid {
  display: block;
}

.paper-page .hero-grid > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.paper-page h1,
.paper-page .hero h1 {
  max-width: 980px;
  margin: 0 auto;
  color: #363636;
  font-family: "Noto Sans", "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 2.35rem;
  font-weight: 750;
  line-height: 1.18;
  letter-spacing: 0;
  text-wrap: wrap;
}

.paper-page .paper-name,
.paper-page h1 .title-gradient {
  color: inherit;
  -webkit-text-fill-color: currentColor;
}

.paper-page .venue-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 2em;
  margin: 16px auto 0;
  padding: 4px 12px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: #ffffff;
  background: var(--accent);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
}

.paper-page .authors-block,
.paper-page .hero .authors {
  max-width: 980px;
  margin: 16px auto 0;
}

.paper-page .authors-names,
.paper-page .hero .authors {
  max-width: 980px;
  margin-bottom: 0;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 16.8px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0;
}

.paper-page .author-block,
.paper-page .affiliation-block {
  display: inline-block;
}

.paper-page .author-block {
  margin: 0 0.12rem;
  white-space: nowrap;
}

.paper-page .author-block:not(:last-child)::after {
  content: "\00b7";
  margin-left: 0.48rem;
  color: var(--text-muted);
}

@media (min-width: 1100px) {
  .paper-page.paper-latsearch .authors-block,
  .paper-page.paper-latsearch .authors-names {
    width: 100%;
    max-width: none;
  }

  .paper-page.paper-latsearch .authors-names {
    font-size: 15px;
    white-space: nowrap;
  }

  .paper-page.paper-latsearch .author-block {
    margin-inline: 0.06rem;
  }

  .paper-page.paper-latsearch .author-block:not(:last-child)::after {
    margin-left: 0.34rem;
  }
}

.paper-page .authors-names a,
.paper-page .hero .authors a {
  color: var(--accent) !important;
  text-decoration: none !important;
}

.paper-page .authors-names a:hover,
.paper-page .hero .authors a:hover {
  text-decoration: underline !important;
}

.paper-page .authors-names sup,
.paper-page .hero .authors sup,
.paper-page .authors-affiliations sup,
.paper-page .hero .affiliations sup {
  margin-left: 1px;
  color: var(--text-muted);
  font-size: 0.68em;
  font-weight: 600;
}

.paper-page .authors-affiliations,
.paper-page .hero .affiliations {
  margin: 0.6rem auto 0;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 15.2px;
  line-height: 1.6;
  opacity: 1;
}

.paper-page .affiliation-block {
  margin: 0 0.45rem;
}

.paper-page .author-links,
.paper-page .hero .hero-actions {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-top: 20px;
  flex-wrap: wrap;
}

.paper-page .btn,
.paper-page .author-links .btn,
.paper-page .hero .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 112px;
  margin: 4px;
  padding: 8px 16px;
  border: 1px solid #303846;
  border-radius: 999px;
  color: #ffffff;
  background: #303846;
  box-shadow: none;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  transition: color 0.15s, border-color 0.15s, background 0.15s, transform 0.15s;
}

.paper-page .btn:hover,
.paper-page .author-links .btn:hover,
.paper-page .hero .btn:hover {
  color: #ffffff;
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  box-shadow: none;
  transform: translateY(-1px);
  text-decoration: none;
}

.paper-page .author-links .btn:first-child:hover,
.paper-page .hero-actions .btn:first-child:hover,
.paper-page .btn.primary:hover {
  color: #ffffff;
  border-color: var(--accent-dark);
  background: var(--accent-dark);
}

.paper-page .btn-icon {
  width: 14px;
  height: 14px;
}

/* Section rhythm */
.paper-page .section,
.paper-page main > section {
  position: relative;
  margin: 0;
  padding: 48px 0;
  border-top: 1px solid var(--border);
  scroll-margin-top: calc(var(--nav-height) + 16px);
}

.paper-page .section::after {
  display: none;
}

.paper-page .section-title,
.paper-page .section-header h2 {
  position: relative;
  margin: 0 0 24px;
  padding: 0 0 0 13px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.paper-page .section-title::before,
.paper-page .section-header h2::before {
  content: "";
  position: absolute;
  top: 0.12em;
  bottom: 0.12em;
  left: 0;
  width: 3px;
  border-radius: 999px;
  background: var(--accent);
}

.paper-page .section-title::after,
.paper-page .section-header h2::after {
  display: none;
}

.paper-page .section-header {
  margin-bottom: 22px;
}

.paper-page .subsection-title {
  margin: 38px 0 18px;
  padding: 0 0 9px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.paper-page .method-intro,
.paper-page .video-intro,
.paper-page .section-content p,
.paper-page .section-header p,
.paper-page .abstract-card {
  max-width: var(--reading-width);
  color: var(--text-secondary);
  font-size: 15.5px;
  line-height: 1.78;
  text-align: left;
  text-wrap: pretty;
}

.paper-page .method-intro,
.paper-page .video-intro {
  margin: 0 0 14px;
}

.paper-page .method-intro:last-of-type,
.paper-page .video-intro:last-of-type {
  margin-bottom: 26px;
}

.paper-page .takeaway,
.paper-page #overview .abstract-card {
  width: 100%;
  max-width: var(--reading-width);
  margin-right: auto;
  padding: 18px 20px;
  border: 1px solid var(--accent-mid);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  color: var(--text-secondary);
  background: var(--accent-light);
  box-shadow: none;
  font-size: 16px;
  line-height: 1.72;
}

.paper-page .section-content,
.paper-page .card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.paper-page .section-content:hover,
.paper-page .card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  transform: none;
}

.paper-page .section-content,
.paper-page .abstract-card {
  width: 100%;
  padding: 28px 30px;
}

.paper-page .paper-highlights,
.paper-page .highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 28px;
}

.paper-page .paper-highlight,
.paper-page .highlight {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--background-subtle);
}

.paper-page .paper-highlight-index,
.paper-page .highlight .k {
  display: block;
  margin-bottom: 7px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.paper-page .paper-highlight h3,
.paper-page .highlight .v {
  margin: 0 0 6px;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.paper-page .paper-highlight p {
  margin: 0;
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.6;
}

/* Figures and tables */
.paper-page .figures,
.paper-page .results-grid {
  display: grid;
  gap: 22px;
}

.paper-page .figure-block,
.paper-page .figure-box,
.paper-page .metric-table-wrap {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: none;
}

.paper-page .figure-block:hover,
.paper-page .figure-box:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  transform: none;
}

.paper-page .figure-block img,
.paper-page .figure-box img,
.paper-page .metric-table-wrap img {
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  background: #ffffff;
}

.paper-page .figure-block img.figure-img-narrow {
  max-width: 80%;
  padding: 4px 18px 20px;
}

.paper-page .figure-caption {
  margin: 0;
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--background-subtle);
  font-size: 13px;
  font-style: normal;
  line-height: 1.6;
  text-align: left;
}

.paper-page .figure-subtitle {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.55;
}

.paper-page .overview {
  display: block;
}

.paper-page .overview > :only-child {
  width: 100%;
  max-width: none;
}

.paper-page .figure-box,
.paper-page .metric-table-wrap {
  padding: 18px;
}

.paper-page .metric-table-wrap {
  overflow-x: auto;
}

.paper-page .zoomable-image {
  cursor: zoom-in;
}

.paper-page .zoomable-image:focus-visible {
  outline-offset: -4px;
}

/* Video comparisons */
.paper-page .video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.paper-page .result-tabs {
  display: flex;
  gap: 7px;
  margin: 0 0 22px;
  padding: 4px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--background-subtle);
  scrollbar-width: none;
}

.paper-page .result-tabs::-webkit-scrollbar {
  display: none;
}

.paper-page .result-tab {
  flex: 1 0 auto;
  padding: 7px 14px;
  border: 0;
  border-radius: 999px;
  color: var(--text-muted);
  background: transparent;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}

.paper-page .result-tab:hover {
  color: var(--accent);
}

.paper-page .result-tab[aria-selected="true"] {
  color: #ffffff;
  background: var(--accent);
  box-shadow: var(--shadow-sm);
}

.paper-page .result-panel[hidden],
.paper-page .is-hidden-example {
  display: none !important;
}

.paper-page .result-panel > .subsection-title {
  margin-top: 0;
}

.paper-page .gallery-toggle-wrap {
  display: flex;
  justify-content: center;
  margin-top: 22px;
}

.paper-page .gallery-toggle {
  padding: 8px 15px;
  border: 1px solid var(--accent-mid);
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-light);
  font: inherit;
  font-size: 12.5px;
  font-weight: 650;
  cursor: pointer;
}

.paper-page .gallery-toggle:hover {
  border-color: var(--accent);
  background: #dbeafe;
}

.paper-page .video-item,
.paper-page .video-block {
  overflow: hidden;
  margin: 0 0 22px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: none;
}

.paper-page .video-item:hover,
.paper-page .video-block:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.paper-page .video-prompt,
.paper-page .video-block-top {
  margin: 0;
  padding: 15px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  background: var(--background-subtle);
  font-size: 13.5px;
  font-style: normal;
  font-weight: 500;
  line-height: 1.6;
}

.paper-page .video-block-top {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}

.paper-page .video-block .prompt-text {
  position: relative;
  max-width: none;
  margin: 0;
  color: var(--text-secondary);
  font-size: 13.5px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.paper-page .prompt-text.is-collapsible:not(.is-expanded) {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.paper-page .prompt-toggle {
  align-self: flex-start;
  margin-top: 7px;
  padding: 0;
  border: 0;
  color: var(--accent);
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.paper-page .prompt-toggle:hover {
  text-decoration: underline;
}

.paper-page .play-all-wrapper,
.paper-page .video-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  width: auto;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--background);
  flex-wrap: wrap;
}

.paper-page .video-block-top .video-actions {
  justify-content: flex-start;
  padding: 0;
  border: 0;
  background: transparent;
}

.paper-page .play-all-btn,
.paper-page .small-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-secondary);
  background: var(--background);
  box-shadow: none;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.paper-page .play-all-btn::before {
  content: none;
}

.paper-page .play-all-btn:hover,
.paper-page .small-btn:hover {
  color: var(--accent);
  border-color: var(--accent-mid);
  background: var(--accent-light);
  box-shadow: none;
  transform: none;
}

.paper-page .play-all-btn:disabled,
.paper-page .small-btn:disabled {
  cursor: wait;
  opacity: 0.65;
}

.paper-page .video-comparison,
.paper-page .long-pair-grid,
.paper-page .long-results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
}

.paper-page .video-grid:not(#video-grid) {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.paper-page .video-cell {
  min-width: 0;
  padding: 14px;
  border: 0;
  border-right: 1px solid var(--border);
  background: var(--surface);
}

.paper-page .video-cell:last-child {
  border-right: 0;
}

.paper-page .video-label,
.paper-page .method-name {
  margin: 0 0 9px;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
}

.paper-page .video-cell.latsearch .video-label,
.paper-page .video-card.ours .method-name,
.paper-page .ours .badge {
  color: var(--accent);
}

.paper-page .video-cell video,
.paper-page .video-wrap video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: 6px;
  object-fit: cover;
  background: #08111f;
  box-shadow: none;
}

.paper-page .video-card {
  min-width: 0;
  overflow: hidden;
  border: 0;
  border-right: 1px solid var(--border);
  border-radius: 0;
  background: var(--surface);
}

.paper-page .video-card:last-child {
  border-right: 0;
}

.paper-page .video-card.ours {
  background: linear-gradient(180deg, var(--accent-light), #ffffff 42%);
}

.paper-page .video-wrap {
  aspect-ratio: 16 / 9;
  background: #08111f;
}

.paper-page .video-wrap video {
  height: 100%;
  border-radius: 0;
}

.paper-page .video-meta {
  padding: 10px 13px;
}

.paper-page .video-meta .method-name {
  margin: 0;
  text-align: center;
}

.paper-page .badge {
  top: 8px;
  left: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 10px;
}

/* Citation, footer, and utilities */
.paper-page .citation-card,
.paper-page #citation .section-content,
.paper-page #bibtex .bibtex-box {
  position: relative;
  width: 100%;
  max-width: var(--reading-width);
  overflow: hidden;
  padding: 0 !important;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--background-subtle);
}

.paper-page pre {
  margin: 0 !important;
  padding: 24px 78px 24px 24px !important;
  overflow-x: auto;
  color: var(--text-secondary) !important;
  background: transparent !important;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace !important;
  font-size: 12.5px !important;
  line-height: 1.65 !important;
  white-space: pre;
}

.paper-page .copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.94);
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}

.paper-page .copy-btn:hover {
  color: var(--accent);
  border-color: var(--accent-mid);
  background: var(--accent-light);
}

.paper-page footer,
.paper-page .paper-footer {
  max-width: var(--paper-width);
  margin: 24px auto 0;
  padding: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0;
  text-align: center;
}

.paper-page footer a,
.paper-page .paper-footer a {
  color: var(--text-secondary);
  font-weight: 600;
}

.paper-page .back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-md);
  font-size: 17px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.15s, transform 0.15s, color 0.15s, background 0.15s;
}

.paper-page .back-to-top.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.paper-page .back-to-top:hover {
  color: #ffffff;
  border-color: var(--accent);
  background: var(--accent);
}

.paper-page .image-viewer {
  width: min(96vw, 1500px);
  height: auto;
  max-height: 94vh;
  max-width: none;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  box-shadow: var(--shadow-md);
  overflow: auto;
}

.paper-page .image-viewer::backdrop {
  background: rgba(2, 6, 23, 0.82);
  backdrop-filter: blur(3px);
}

.paper-page .image-viewer img {
  width: auto;
  max-width: none;
  height: auto;
  max-height: none;
  object-fit: contain;
  border-radius: var(--radius);
  background: #ffffff;
}

.paper-page .image-viewer-close {
  position: fixed;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  color: #ffffff;
  background: rgba(15, 23, 42, 0.78);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

/* AIM-Fair gallery composition */
.paper-page.paper-aimfair #visualizations .results-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.paper-page.paper-aimfair #visualizations .figure-block:first-child {
  grid-column: 1 / -1;
}

/* Responsive */
@media (max-width: 900px) {
  .paper-page h1,
  .paper-page .hero h1 {
    font-size: 1.85rem;
  }

  .paper-page .paper-highlights,
  .paper-page .highlights {
    grid-template-columns: 1fr;
  }

  .paper-page .video-grid:not(#video-grid) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  body.paper-page {
    --nav-height: 54px;
  }

  .paper-page .container {
    width: min(var(--paper-width), calc(100% - 32px));
  }

  .paper-page .nav-top {
    height: var(--nav-height);
    padding: 0 16px;
  }

  .paper-page .nav-inner {
    gap: 10px;
  }

  .paper-page .nav-brand {
    font-size: 13px;
  }

  .paper-page .nav-links a {
    padding: 5px 8px;
    font-size: 11.5px;
  }

  .paper-page header,
  .paper-page .hero {
    padding: 38px 24px 32px;
  }

  .paper-page .section,
  .paper-page main > section {
    padding: 38px 0;
  }

  .paper-page .section-content,
  .paper-page .abstract-card,
  .paper-page .figure-box,
  .paper-page .metric-table-wrap {
    padding: 18px;
  }

  .paper-page .figure-block img.figure-img-narrow {
    max-width: 100%;
  }

  .paper-page .video-comparison,
  .paper-page .long-pair-grid,
  .paper-page .long-results-grid,
  .paper-page .video-grid:not(#video-grid),
  .paper-page.paper-aimfair #visualizations .results-grid {
    grid-template-columns: 1fr;
  }

  .paper-page.paper-aimfair #visualizations .figure-block:first-child {
    grid-column: auto;
  }

  .paper-page .video-cell,
  .paper-page .video-card {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .paper-page .video-cell:last-child,
  .paper-page .video-card:last-child {
    border-bottom: 0;
  }

  .paper-page .video-actions,
  .paper-page .play-all-wrapper {
    justify-content: flex-start;
  }

  .paper-page pre {
    padding: 54px 18px 18px !important;
    font-size: 11.5px !important;
  }
}

@media (max-width: 680px) {
  .paper-page h1,
  .paper-page .hero h1 {
    font-size: 1.45rem;
  }
}

@media (max-width: 480px) {
  .paper-page .nav-brand {
    max-width: 108px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .paper-page .container {
    width: min(var(--paper-width), calc(100% - 24px));
  }

  .paper-page .authors-names,
  .paper-page .hero .authors {
    font-size: 15px;
  }

  .paper-page .authors-affiliations,
  .paper-page .hero .affiliations {
    font-size: 14px;
  }

  .paper-page .figure-block img.figure-img-narrow {
    padding: 2px 8px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.paper-document,
  .paper-page,
  .paper-page * {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}