/* 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);
}

/* 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: #64748b !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: #475569 !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;
}

/* Utility: Gradient text (blue) for easy reuse */
.text-gradient-blue {
  background-image: linear-gradient(90deg, #00c6ff 0%, #0072ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  -webkit-text-fill-color: transparent;
}


/* 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;
}

/* Simple carousel (DA3-like) for teaser switcher */
.teaser-switcher .carousel-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.teaser-switcher .carousel-content {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.teaser-slide {
  display: none;
  width: 100%;
}

.teaser-slide.active {
  display: block;
}

.carousel-btn {
  background: var(--background-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.carousel-indicators {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.carousel-indicators .indicator {
  width: 8px;
  height: 8px;
  background: var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}

.carousel-indicators .indicator.active {
  background: var(--primary-color);
  transform: scale(1.1);
}

/* Image switcher styling (reuse carousel layout) */
.image-switcher .carousel-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.image-switcher .carousel-content {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.image-slide {
  display: none;
  width: 100%;
}

.image-slide.active {
  display: block;
}

/* Banner (DA3-style) */
.banner {
  position: relative;
  padding: 4rem 1.5rem;
  background: radial-gradient(1200px 600px at 50% -200px, rgba(124, 58, 237, 0.08), transparent 60%),
              radial-gradient(900px 450px at 80% 0px, rgba(6, 182, 212, 0.08), transparent 60%),
              var(--background-primary);
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.banner-content {
  max-width: 1100px;
  margin: 0 auto;
}

.banner-text {
  margin: 0 auto;
}

.banner-title {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  background-image: linear-gradient(90deg, #00c6ff 0%, #0072ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  font-size: clamp(2.25rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem 0;
}

.banner-subtitle {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  color: #64748b;
  font-size: clamp(1.2rem, 3.2vw, 1.8rem);
  letter-spacing: 0.02em;
  margin: 0.25rem 0 1.25rem 0;
}

.authors {
  font-family: 'Inter', sans-serif;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

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

.authors a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #7c3aed, #06b6d4);
  transition: var(--transition);
}

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

.banner-links {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.95rem;
  background: var(--background-primary);
  color: var(--text-primary);
  text-decoration: none;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  font-weight: 600;
  transition: var(--transition);
}

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

.link-btn .fas,
.link-btn .fab {
  color: var(--text-secondary);
}

@media screen and (max-width: 768px) {
  .banner {
    padding: 3rem 1rem;
  }
  .authors {
    font-size: 0.9rem;
  }
}

/* Teaser layout width/padding adjustments */
.teaser .container.is-max-desktop {
  max-width: 1440px; /* make teaser panel wider */
}

.teaser .results-carousel .item {
  padding: 0.25rem; /* tighter padding for more usable space */
}

/* Round teaser videos like carousel items */
.teaser video {
  border-radius: var(--border-radius);
}

/* Reduce column inner paddings to make videos larger */
.teaser .columns {
  margin-left: -0.25rem;
  margin-right: -0.25rem;
}

.teaser .column {
  padding-left: 0.25rem;
  padding-right: 0.25rem;
}

/* Ensure teaser carousel shows exactly one slide (two videos) */
#teaser-carousel {
  overflow: hidden;
}

#teaser-carousel .item {
  margin: 0 !important;
}

/* Bulma carousel uses .slider-container/.slider-item; lock to 1 per view */
#teaser-carousel .slider-container {
  overflow: hidden;
  display: flex;
  gap: 0;
}

#teaser-carousel .slider-item {
  box-sizing: border-box;
}

/* Ensure the wrapper masks overflow completely */
#teaser-carousel .slider {
  overflow: hidden !important;
}

/* Remove inner padding/margins that could break width calculations */
#teaser-carousel .item {
  padding: 0 !important;
  margin: 0 !important;
}

/* Force 2-per-view for video carousel, without partial third */
#video-carousel .slider-container {
  overflow: hidden;
  display: flex;
  gap: 0;
}

#video-carousel .slider-item {
  box-sizing: border-box;
}

/* Align small hero containers with teaser width */
.hero.is-small .container {
  max-width: 1440px;
}

/* Ensure video carousel shows two full items without partial third */
#video-carousel .item {
  margin: 0 !important;
}


/* Publication Content Styling */
.publication-title {
    font-family: 'Inter', sans-serif !important;
    font-weight: 800 !important;
    /* DA3-style gradient title */
    background-image: linear-gradient(90deg, #7c3aed 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent !important;
    -webkit-text-fill-color: transparent;
    font-size: clamp(2.75rem, 6vw, 4.5rem) !important;
    letter-spacing: -0.02em !important;
    margin-bottom: 2rem !important;
    line-height: 1.05 !important;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
}

.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;
    color: #64748b;
}

.publication-venue {
    color: #64748b;
    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: #64748b !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: #64748b;
    transition: var(--transition);
}

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

.publication-authors a:hover {
    color: #475569 !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,
.title.is-4 {
  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-4 {
  font-size: 1.5rem !important;
}

.title.is-3::after,
.title.is-4::after {
  content: '';
  display: block;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-image: linear-gradient(90deg, #00c6ff 0%, #0072ff 100%);
  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;
}


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



