/* Modern CSS Variables for consistent theming */
:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --accent-color: #0ea5e9;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --background-primary: #ffffff;
  --background-secondary: #f8fafc;
  --background-accent: #f1f5f9;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-subtle: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Dark Mode Theme ──────────────────────────────────────────────────── */
[data-theme="dark"] {
  --primary-color: #3b82f6;
  --primary-hover: #60a5fa;
  --secondary-color: #94a3b8;
  --accent-color: #38bdf8;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-light: #64748b;
  --background-primary: #0f172a;
  --background-secondary: #1e293b;
  --background-accent: #334155;
  --border-color: #334155;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.3);
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-subtle: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

[data-theme="dark"] .hero.is-light {
  background: var(--background-secondary);
  border-top-color: var(--border-color);
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .formula-box {
  background: var(--background-secondary);
}

/* .gt-reference-panel, .gt-reference-label, .gt-closeup-label and
   .comparison-controls button-group rules now use CSS variables in their
   base declarations and no longer need dark-mode-specific overrides. */

[data-theme="dark"] .publication-awards {
  background: linear-gradient(135deg, #3f1515, #5a1e1e);
  border-left-color: #f87171;
  color: #f87171;
}

[data-theme="dark"] .button.is-dark {
  background: var(--background-accent) !important;
  color: var(--text-primary) !important;
}

[data-theme="dark"] .button.is-dark:hover {
  background: var(--primary-color) !important;
}

[data-theme="dark"] #dev-todo-banner {
  background: #991b1b;
}

/* Dark mode — comparison slider UI */
[data-theme="dark"] .comparison-divider {
  background: rgba(255, 255, 255, 0.4);
}

[data-theme="dark"] .comparison-handle {
  background: var(--background-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

/* .video-timeline-filled already uses var(--primary-color) in its base rule — no dark override needed. */
[data-theme="dark"] .video-timeline-handle {
  /* border contrasts against background-secondary rather than background-primary */
  border-color: var(--background-secondary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

/* Dark mode — ensure Bulma text classes use themed colors */
[data-theme="dark"] body,
[data-theme="dark"] p,
[data-theme="dark"] li,
[data-theme="dark"] .content p,
[data-theme="dark"] .content li,
[data-theme="dark"] .content strong {
  color: var(--text-primary);
}

[data-theme="dark"] .subtitle,
[data-theme="dark"] .hero .subtitle {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] .title,
[data-theme="dark"] .title.is-1,
[data-theme="dark"] .title.is-2,
[data-theme="dark"] .title.is-3,
[data-theme="dark"] .title.is-4 {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .navbar,
[data-theme="dark"] .hero {
  background-color: var(--background-primary);
  color: var(--text-primary);
}

[data-theme="dark"] .footer {
  background-color: var(--background-secondary);
  color: var(--text-secondary);
}

[data-theme="dark"] .footer a,
[data-theme="dark"] .footer p,
[data-theme="dark"] .footer .content,
[data-theme="dark"] .footer .content p {
  color: var(--text-secondary);
}

[data-theme="dark"] pre,
[data-theme="dark"] pre code {
  background: var(--background-secondary) !important;
  color: var(--text-primary) !important;
}

[data-theme="dark"] .figure-caption {
  color: var(--text-secondary);
}
[data-theme="dark"] .figure-caption strong {
  color: var(--text-primary);
}

/* Dark mode vignette — white padding buffer + fade at edges so content is never clipped.
   The padding creates a white border zone; the vignette only fades that border, never
   touching the actual figure content. */
[data-theme="dark"] section img:not(.img-left):not(.img-right):not(#gt-full-img):not(#gt-reference-img):not(.video-comparison-left):not(.video-comparison-right) {
  background: white;
  padding: 20px 20px;
  border-radius: var(--border-radius);
  -webkit-mask-image:
    linear-gradient(to right,  transparent 0px, black 10px, black calc(100% - 10px), transparent 100%),
    linear-gradient(to bottom, transparent 0px, black 10px, black calc(100% - 10px), transparent 100%);
  mask-image:
    linear-gradient(to right,  transparent 0px, black 10px, black calc(100% - 10px), transparent 100%),
    linear-gradient(to bottom, transparent 0px, black 10px, black calc(100% - 10px), transparent 100%);
  -webkit-mask-composite: source-in;
  mask-composite: intersect;
}

/* Dark mode toggle button */
.dark-mode-toggle {
  position: fixed;
  top: 1rem;
  left: 1rem;
  width: 44px;
  height: 44px;
  background: var(--background-primary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.dark-mode-toggle:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.dark-mode-toggle:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 3px;
}

.dark-mode-toggle .icon-sun,
.dark-mode-toggle .icon-moon {
  display: none;
  width: 20px;
  height: 20px;
}

.dark-mode-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .dark-mode-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .dark-mode-toggle .icon-moon {
  display: block;
}

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

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


/* Modern Button Styles */
.button {
  border-radius: var(--border-radius) !important;
  font-weight: 600 !important;
  transition: var(--transition) !important;
  border: 2px solid transparent !important;
  position: relative;
  overflow: hidden;
}

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

.button.is-dark:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: var(--primary-color) !important;
}

.button.is-dark:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.footer .icon-link {
    font-size: 25px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer .icon-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.link-block a {
    margin: 8px 4px;
}

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


/* Hero Section Modernization */
.hero {
  position: relative;
  overflow: hidden;
}

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

.hero-body {
  padding: 4rem 1.5rem;
}

.teaser .hero-body {
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.teaser {
  font-family: 'Inter', sans-serif;
}


/* Publication Content Styling */
.publication-title {
    font-family: 'Inter', sans-serif !important;
    font-weight: 800 !important;
    color: var(--text-primary) !important;
    margin-bottom: 2rem !important;
    line-height: 1.1 !important;
}

.publication-banner {
  max-height: 70vh;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  margin: 2rem 0;
}

.publication-banner video {
  position: relative;
  left: auto;
  top: auto;
  transform: none;
  object-fit: cover;
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-lg);
}

.publication-header .hero-body {
  padding: 6rem 1.5rem 4rem;
}

.publication-authors {
    font-family: 'Inter', sans-serif !important;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.publication-venue {
    color: var(--text-secondary);
    width: fit-content;
    font-weight: 600;
    background: var(--background-accent);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    display: inline-block;
}

.publication-awards {
    color: #ef4444;
    width: fit-content;
    font-weight: 700;
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border-left: 4px solid #ef4444;
    margin-top: 1rem;
}

.publication-authors a {
   color: var(--primary-color) !important;
   text-decoration: none;
   font-weight: 600;
   transition: var(--transition);
   position: relative;
}

.publication-authors a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: var(--gradient-accent);
    transition: var(--transition);
}

.publication-authors a:hover::after {
    width: 100%;
}

.publication-authors a:hover {
    color: var(--primary-hover) !important;
}

.author-block {
  display: inline-block;
  margin-right: 0.5rem;
}

.publication-banner img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.publication-banner img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

/* Modern Video and Carousel Styling */
.publication-video {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    overflow: hidden;
    border-radius: var(--border-radius-lg) !important;
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
}

.publication-video:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

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

.publication-body img {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.publication-body img:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.results-carousel {
  overflow: hidden;
  padding: 1rem 0;
}

.results-carousel .item {
  margin: 1rem;
  overflow: hidden;
  padding: 1.5rem;
  font-size: 0;
  background: var(--background-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.results-carousel .item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.results-carousel .item img,
.results-carousel video {
  margin: 0;
  border-radius: var(--border-radius);
  width: 100%;
  height: auto;
}

.results-carousel .subtitle {
  font-size: 1rem !important;
  color: var(--text-secondary);
  margin-top: 1rem;
  font-weight: 500;
}

/* Pagination and Misc Improvements */
.slider-pagination .slider-page {
  background: var(--primary-color);
  border-radius: 50%;
  transition: var(--transition);
}

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

.eql-cntrb { 
  font-size: 0.875rem;
  color: var(--text-light);
  font-style: italic;
}

/* Section Titles */
.title.is-3 {
  font-family: 'Inter', sans-serif !important;
  font-weight: 700 !important;
  color: var(--text-primary);
  margin-bottom: 2rem !important;
  position: relative;
  padding-bottom: 1rem;
}

.title.is-3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

/* Content Improvements */
.content.has-text-justified {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.content.has-text-justified p {
  margin-bottom: 1.5rem;
}

/* Footer Improvements */
.footer {
  background: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 1.5rem;
}

.footer .content {
  color: var(--text-secondary);
  line-height: 1.7;
}

.footer a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

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

/* BibTeX Styling */
pre {
  background: var(--background-accent) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--border-radius) !important;
  padding: 1.5rem !important;
  font-size: 0.9rem !important;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

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

/* BibTeX Section Improvements */
.bibtex-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.copy-bibtex-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.copy-bibtex-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.copy-bibtex-btn.copied {
  background: #10b981;
}

.copy-bibtex-btn.copied .copy-text::after {
  content: "ied!";
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
}

.scroll-to-top:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

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


/* More Works Dropdown */
.more-works-container {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 1000;
}

.more-works-btn {
  background: var(--background-primary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Inter', sans-serif;
}

.more-works-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: var(--background-secondary);
  border-color: var(--primary-color);
}

.more-works-btn .dropdown-arrow {
  transition: var(--transition);
  font-size: 0.8rem;
}

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

.more-works-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  width: 400px;
  max-width: 90vw;
  background: var(--background-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: 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: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.dropdown-header h4 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

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

.works-list {
  padding: 1rem;
}

.work-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  margin-bottom: 0.5rem;
}

.work-item:hover {
  background: var(--background-accent);
  transform: translateX(4px);
}

.work-info h5 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.work-info p {
  margin: 0 0 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.work-venue {
  font-size: 0.8rem;
  color: var(--text-light);
  font-style: italic;
}

.work-item .fas {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}


/* Mobile Responsive Improvements */
@media screen and (max-width: 768px) {
  .hero-body {
    padding: 2rem 1rem;
  }
  
  .publication-header .hero-body {
    padding: 3rem 1rem 2rem;
  }
  
  .publication-title {
    font-size: 2.5rem !important;
    line-height: 1.2 !important;
    margin-bottom: 1.5rem !important;
  }
  
  .publication-authors {
    font-size: 1rem !important;
  }
  
  .button {
    margin: 0.25rem !important;
    font-size: 0.875rem !important;
    padding: 0.75rem 1rem !important;
  }
  
  .more-works-container {
    bottom: 2rem;
    right: 1rem;
    top: auto;
  }
  
  .more-works-btn {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
  }
  
  .more-works-dropdown {
    width: calc(100vw - 2rem);
    right: -1rem;
    bottom: calc(100% + 0.5rem);
    top: auto;
  }
  
  .results-carousel .item {
    margin: 0.5rem;
    padding: 1rem;
  }
  
  .teaser .hero-body {
    padding: 1rem;
  }
  
  .content.has-text-justified {
    font-size: 1rem;
  }
}

@media screen and (max-width: 480px) {
  .publication-title {
    font-size: 2rem !important;
  }
  
  .hero-body {
    padding: 1.5rem 0.75rem;
  }
  
  .more-works-container {
    position: fixed;
    bottom: 2rem;
    right: 1rem;
    z-index: 1000;
  }
  
  .more-works-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }
  
  .more-works-dropdown {
    position: absolute;
    bottom: calc(100% + 0.5rem);
    right: 0;
    width: calc(100vw - 2rem);
    max-width: 90vw;
  }
  
  .link-block {
    display: block;
    margin-bottom: 0.5rem;
  }
  
  .button {
    width: 100%;
    justify-content: center;
  }
}

/* Tablet Responsive */
@media screen and (min-width: 769px) and (max-width: 1024px) {
  .hero-body {
    padding: 3rem 2rem;
  }
  
  .publication-header .hero-body {
    padding: 4rem 2rem 3rem;
  }
}

/* Animation for page load */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero, .section {
  animation: fadeInUp 0.6s ease-out;
}

/* Improved focus states for accessibility */
.button:focus,
.related-works-btn:focus,
a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}


/* Formula Blue Box — matches \hypbox tcolorbox from the paper */
.formula-box {
  background: #f3f8ff; /* light-mode accent; [data-theme="dark"] overrides this */
  border-radius: 8px;
  padding: 1.25rem 1.75rem;
  margin: 1.5rem 0;
  border: none;
}

.formula-box .formula-label {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

/* Comparison grid for qualitative figures */
.comparison-grid {
  display: grid;
  gap: 4px;
  margin: 1.5rem 0;
}

.comparison-grid .method-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  padding: 0.25rem 0;
}

.comparison-grid img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}

/* Gallery placeholder */
.gallery-placeholder {
  background: var(--background-accent);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  color: var(--text-light);
}

.gallery-placeholder .placeholder-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--border-color);
}

/* TL;DR stat cards */
.tldr-section {
  background: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.tldr-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
  text-align: center;
}

.tldr-stats {
  margin-top: 0.5rem;
}

.tldr-stat-value {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1.1;
  margin-bottom: 0.5rem;
  font-family: 'Inter', sans-serif;
}

.tldr-stat-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.4rem;
}

.tldr-stat-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Figure captions */
.figure-caption {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 0.75rem;
  line-height: 1.5;
  font-style: italic;
}

/* Image Comparison Slider */
.comparison-widget {
  margin: 2rem 0;
}

/* Qualitative comparison: GT reference + slider side-by-side */
.qualitative-layout {
  display: flex;
  gap: 1rem;
  align-items: stretch;
}

.gt-reference-panel {
  flex: 0 0 22%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 0.75rem 0.9rem;
  background: var(--background-secondary);
}

.gt-reference-panel img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  display: block;
}

.gt-reference-label,
.gt-closeup-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}

.gt-closeup-label {
  margin-top: 0.25rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border-color);
  width: 100%;
  text-align: center;
}

.qualitative-layout .comparison-slider-container {
  flex: 1 1 0;
}

@media (max-width: 600px) {
  .qualitative-layout {
    flex-direction: column;
  }
  .gt-reference-panel {
    flex: none;
    width: 100%;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem;
  }
  .gt-reference-panel img {
    width: 80%;
  }
}

.comparison-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: center;
}

.comparison-controls .control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comparison-controls .control-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.comparison-controls .btn-group {
  display: flex;
  gap: 0;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.comparison-controls .btn-group button {
  background: var(--background-primary);
  color: var(--text-secondary);
  border: none;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  cursor: pointer;
  border-right: 1px solid var(--border-color);
  transition: background 0.15s, color 0.15s;
}

.comparison-controls .btn-group button:last-child {
  border-right: none;
}

.comparison-controls .btn-group button.active {
  background: var(--primary-color);
  color: #fff;
}

.comparison-controls .btn-group button:hover:not(.active) {
  background: var(--background-accent);
}

.comparison-slider-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
  cursor: col-resize;
  user-select: none;
  -webkit-user-select: none;
  background: #000;
  line-height: 0;
}

.comparison-slider-container img {
  display: block;
  width: 100%;
  height: auto;
  pointer-events: none;
}

.comparison-slider-container .img-right {
  position: absolute;
  top: 0;
  left: 0;
}

.comparison-slider-container .img-left {
  position: relative;
  z-index: 1;
  clip-path: inset(0 50% 0 0);
}

.comparison-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: rgba(255, 255, 255, 0.85);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  pointer-events: none;
}

.comparison-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background: var(--background-primary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  font-size: 14px;
  color: var(--text-primary);
  cursor: col-resize;
  z-index: 11;
  pointer-events: none;
}

.comparison-label-left,
.comparison-label-right {
  position: absolute;
  top: 12px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 7px 18px;
  border-radius: 5px;
  z-index: 5;
  pointer-events: none;
  white-space: nowrap;
  max-width: calc(50% - 24px);
  overflow: hidden;
  text-overflow: ellipsis;
}

.comparison-label-left {
  left: 12px;
}

.comparison-label-right {
  right: 12px;
}

/* Video Comparison Slider — shares .comparison-slider-container base rules */
.video-comparison-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
  cursor: col-resize;
  user-select: none;
  -webkit-user-select: none;
  background: #000;
  line-height: 0;
}

.video-comparison-container video {
  display: block;
  width: 100%;
  height: auto;
  pointer-events: none;
}

/* Right video sits behind left; sized to match container height set by left video */
.video-comparison-container .video-comparison-right {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
}

/* Left video clips to reveal the split; z-index above right */
.video-comparison-container .video-comparison-left {
  position: relative;
  z-index: 1;
  clip-path: inset(0 50% 0 0);
}

/* Video play/pause overlay */
.video-play-pause-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 72px;
  height: 72px;
  background: rgba(0, 0, 0, 0.55);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.video-play-pause-overlay i {
  color: #fff;
  font-size: 1.6rem;
  margin-left: 2px;
}

.video-play-pause-overlay.flash {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.video-play-pause-overlay.fade-out {
  opacity: 0;
  transform: translate(-50%, -50%) scale(1.15);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.video-comparison-container.is-paused {
  box-shadow: 0 0 0 2px var(--primary-color);
}

/* Video timeline scrubber */
.video-timeline {
  padding: 10px 0 4px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

.video-timeline-track {
  position: relative;
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  overflow: visible;
}

.video-timeline-filled {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--primary-color);
  border-radius: 3px;
  transition: none;
}

.video-timeline-handle {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 16px;
  height: 16px;
  background: var(--primary-color);
  border: 2px solid var(--background-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
  transition: transform 0.15s ease;
  z-index: 2;
}

.video-timeline:hover .video-timeline-handle {
  transform: translate(-50%, -50%) scale(1.25);
}

.video-timeline-track:hover {
  height: 8px;
}

/* Dark mode toggle responsive adjustments */
@media screen and (max-width: 768px) {
  .dark-mode-toggle {
    top: 0.75rem;
    left: 0.75rem;
    width: 40px;
    height: 40px;
  }
  .magnifier-help-btn {
    top: 0.75rem;
    left: 3.75rem;
    width: 40px;
    height: 40px;
  }
  .magnifier-help-popup {
    top: 3.75rem;
    left: 0.75rem;
  }
}

@media screen and (max-width: 480px) {
  .dark-mode-toggle {
    top: 0.5rem;
    left: 0.5rem;
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }
  .magnifier-help-btn {
    top: 0.5rem;
    left: 3.25rem;
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }
  .magnifier-help-popup {
    top: 3.25rem;
    left: 0.5rem;
  }
}

/* ── Magnifier Lens ─────────────────────────────────────────────────────── */
.magnifier-lens {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3), inset 0 0 12px rgba(255, 255, 255, 0.1);
  pointer-events: none;
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  background-repeat: no-repeat;
}

.magnifier-lens.visible {
  opacity: 1;
  visibility: visible;
}

/* Magnifier help button — positioned next to dark mode toggle */
.magnifier-help-btn {
  position: fixed;
  top: 1rem;
  left: 4.25rem;
  width: 44px;
  height: 44px;
  background: var(--background-primary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  line-height: 1;
}

.magnifier-help-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.magnifier-help-btn:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 3px;
}

.magnifier-help-popup {
  position: fixed;
  top: 4.25rem;
  left: 1rem;
  background: var(--background-primary);
  border: 2px solid var(--border-color);
  border-radius: 16px;
  padding: 0.85rem 1.1rem;
  z-index: 999;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.magnifier-help-popup.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.magnifier-help-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.magnifier-help-row kbd {
  display: inline-block;
  min-width: 2rem;
  text-align: center;
  padding: 0.15rem 0.45rem;
  font-size: 0.75rem;
  font-family: inherit;
  background: var(--background-accent);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  box-shadow: 0 1px 0 var(--border-color);
}

.zoomable-image-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  line-height: 0;
}

.zoomable-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

/* Hide default cursor when magnifier is active */
.magnifier-active {
  cursor: none !important;
}
.magnifier-active * {
  cursor: none !important;
}

/* Print styles */
@media print {
  .dark-mode-toggle,
  .magnifier-help-btn,
  .magnifier-help-popup {
    display: none;
  }

  .more-works-container {
    display: none;
  }
  
  .hero, .section {
    animation: none;
  }
  
  .button {
    background: transparent !important;
    color: var(--text-primary) !important;
    box-shadow: none !important;
  }
}