/* 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);
  --font-sans:
    "SF Pro Text", "SF Pro Display", "Segoe UI", -apple-system,
    BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", monospace;
}

body {
  font-family: var(--font-sans);
  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;
}

.publication-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.publication-links .link-block {
  display: flex;
  margin: 0;
}

.publication-links .link-block a,
.publication-links .link-block button {
  min-width: 9.25rem;
  min-height: 3.85rem;
  margin: 0;
  padding: 0.85rem 1.5rem !important;
  font-size: 1.15rem !important;
}

.publication-links .publication-demo-button:disabled {
  opacity: 1;
  cursor: default;
}

.link-block .coming-soon-wrapper {
  margin: 8px 4px;
}

/* Temporary Coming soon popover for the Paper/Code buttons. Remove after restoring real links. */
.coming-soon-wrapper {
  position: relative;
  display: inline-flex;
}

.coming-soon-trigger {
  cursor: pointer;
}

.coming-soon-popover {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.7rem);
  transform: translateX(-50%) translateY(8px);
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgb(15 23 42 / 0.94);
  color: white;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.22s ease,
    transform 0.22s ease,
    visibility 0.22s ease;
  z-index: 10;
}

.coming-soon-popover::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  width: 10px;
  height: 10px;
  background: inherit;
  transform: translateX(-50%) rotate(45deg);
}

.coming-soon-wrapper.is-visible .coming-soon-popover {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.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;
}

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

.publication-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 3vw, 2.25rem);
  margin: 0 auto 2.25rem;
  padding: 0 1rem;
}

.publication-logos img {
  display: block;
  width: auto;
  height: 58px;
  object-fit: contain;
}

.publication-logo-ict {
  transform: translateY(3px);
}

.publication-logo-ucas {
  transform: translateY(-2px);
}

.publication-logo {
  margin-bottom: 1.25rem;
}

.publication-logo-inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
}

.publication-logo img {
  display: block;
  max-width: 120px;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.publication-logo-inline img {
  margin: 0;
  max-width: 88px;
}

.publication-logo-inline span {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #334155;
}

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

.publication-authors {
  font-family: var(--font-sans) !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;
}

.project-gallery {
  display: grid;
  gap: 2rem;
}

.project-figure {
  margin: 0;
  background: var(--background-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.project-figure-media picture {
  display: block;
}

.project-figure-media {
  position: relative;
}

.project-figure-media img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.project-figure-caption {
  padding: 1.25rem 1.5rem 1.5rem;
}

.project-figure-caption .subtitle {
  margin: 0;
  font-size: 1rem !important;
  color: var(--text-secondary);
  font-weight: 500;
}

.project-figure-caption .subtitle,
.abstract-visual-stack figcaption,
.method-visual figcaption {
  text-align: left !important;
}

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

/* Section Titles */
.title.is-3 {
  font-family: var(--font-sans) !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: #334155;
}

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

.section-subtitle {
  margin: -0.75rem auto 2rem;
  max-width: 760px;
  text-align: center;
  font-size: 1rem;
  line-height: 1.7;
  color: #475569;
}

.abstract-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 2.5rem;
  margin-top: 0.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-color);
  text-align: left;
}

.method-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 2.5rem;
  text-align: left;
}

.passkey-split-figure {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: stretch;
}

.passkey-split-figure .project-figure-caption {
  display: flex;
  align-items: center;
  padding: 2rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.passkey-split-figure .project-figure-caption .subtitle {
  width: 100%;
  line-height: 1.8;
  text-align: left !important;
}

.passkey-split-figure .project-figure-media {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(circle at top, rgb(14 165 233 / 0.12), transparent 50%),
    linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
}

.passkey-split-figure .project-figure-media img {
  width: 100%;
  max-width: 780px;
  height: auto;
  border-radius: calc(var(--border-radius) + 2px);
  box-shadow: var(--shadow-lg);
}

.abstract-copy {
  margin: 0 !important;
}

.abstract-copy p {
  margin: 0 !important;
  font-size: 1.05rem;
  line-height: 1.85;
}

.abstract-visual-stack,
.method-visual {
  width: 100%;
  margin: 0;
}

.abstract-visual-stack > img,
.method-visual img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
}

.abstract-visual-stack figcaption,
.method-visual figcaption {
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.65;
  text-align: left;
}

.abstract-visual-stack figcaption p {
  margin: 0 0 0.75rem;
}

.abstract-visual-stack figcaption p:last-child {
  margin-bottom: 0;
}

.figure-wide .project-figure-media img {
  max-width: 92%;
}

/* 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: var(--font-mono) !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;
}

/* Mobile Responsive Improvements */
@media screen and (max-width: 768px) {
  .scroll-to-top {
    right: 1rem;
    bottom: calc(6rem + env(safe-area-inset-bottom, 0px));
  }

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

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

  .publication-title {
    font-size: 2rem !important;
    line-height: 1.2 !important;
    margin-bottom: 1.5rem !important;
  }

  .publication-logos {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
    gap: 1.25rem 1rem;
    margin-bottom: 1.5rem;
    padding: 0 0.25rem;
  }

  .publication-logos img {
    width: 100%;
    height: auto;
    max-width: none;
    transform: none;
  }

  .publication-logo-wenxin {
    grid-column: 1 / -1;
    width: min(72vw, 360px) !important;
    justify-self: center;
  }

  .publication-logo img {
    max-width: 88px;
  }

  .publication-logo-inline {
    gap: 0.65rem;
  }

  .publication-logo-inline span {
    font-size: 1.05rem;
  }

  .section-subtitle {
    margin: -0.5rem auto 1.5rem;
    font-size: 0.95rem;
  }

  .figure-wide .project-figure-media img {
    max-width: 100%;
  }

  .abstract-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-top: 1rem;
  }

  .method-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .passkey-split-figure {
    display: flex;
    flex-direction: column;
  }

  .passkey-split-figure .project-figure-media {
    order: 1;
    padding: 1rem 1rem 0;
  }

  .passkey-split-figure .project-figure-caption {
    order: 2;
    padding: 1rem 1rem 1.25rem;
  }

  .abstract-copy p {
    font-size: 1rem;
    line-height: 1.75;
  }

  .publication-authors {
    font-size: 1rem !important;
  }

  .button {
    margin: 0.25rem !important;
    font-size: 0.875rem !important;
    padding: 0.75rem 1rem !important;
  }

  .project-gallery {
    gap: 1.25rem;
  }

  .project-figure-caption {
    padding: 1rem 1rem 1.25rem;
  }

  .content.has-text-justified {
    font-size: 1rem;
  }

}

@media screen and (max-width: 480px) {
  .publication-logos {
    gap: 0.9rem 0.7rem;
  }

  .publication-title {
    font-size: 1.65rem !important;
  }

  .hero-body {
    padding: 1.5rem 0.75rem;
  }

  .link-block {
    display: block;
    margin-bottom: 0.5rem;
  }

  .publication-links {
    gap: 0.55rem;
  }

  .publication-links .link-block {
    flex: 1 1 0;
    min-width: 0;
  }

  .publication-links .link-block a,
  .publication-links .link-block button {
    min-width: 0;
    width: 100%;
    padding: 0.8rem 0.7rem !important;
    font-size: 1rem !important;
  }

  .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 {
  .hero,
  .section {
    animation: none;
  }

  .button {
    background: transparent !important;
    color: var(--text-primary) !important;
    box-shadow: none !important;
  }
}

/* AoH content additions, keeping the original RACE project-page template. */
.aoh-publication-mark {
  gap: 0.75rem;
}

.aoh-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 5.1rem;
  padding: 0.45rem 0.8rem;
  border-radius: 0.7rem;
  color: #ffffff;
  background: linear-gradient(135deg, #0f172a, #2563eb);
  box-shadow: var(--shadow-md);
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.08em;
}

.aoh-publication-mark > span:last-child {
  color: var(--primary-color);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.aoh-secondary-figure {
  margin-top: 2rem;
}

@media screen and (max-width: 768px) {
  .aoh-publication-mark > span:last-child {
    font-size: 0.9rem;
  }

}

.aoh-author-list {
  margin-bottom: 0.9rem !important;
}

.aoh-author-list .author-name {
  color: var(--text-primary);
  font-weight: 600;
}

.aoh-author-list .author-name strong {
  font-weight: 800;
}

.aoh-author-list .author-name-link,
.aoh-author-list .author-name-link:hover {
  color: inherit !important;
  font-weight: inherit;
  text-decoration: none;
  position: static;
}

.aoh-author-list .author-name-link::after {
  display: none;
}

.aoh-author-list sup,
.aoh-affiliations sup {
  font-size: 0.68em;
  line-height: 0;
}

.aoh-affiliations {
  margin-bottom: 0.7rem !important;
  line-height: 1.45;
}