/* Paper-specific styles that integrate with your academic site */
.paper-hero {
  padding: 2.5rem 0;
  background: var(--color-surface);
}

.paper-hero-inner {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 900px) {
  .paper-hero-inner {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
  }
}

.hero-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: 1.3;
}

.hero-venues {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.hero-venues span.label {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--color-primary-dark);
  margin-right: 0.5rem;
}

.hero-authors {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
  line-height: 1.6;
}

.hero-authors strong {
  font-weight: 600;
  color: var(--color-text);
}

.author-sup {
  vertical-align: super;
  font-size: 0.7em;
  margin-left: 1px;
  color: var(--color-primary-dark);
}

/* Updated affiliations with bullet separators */
.hero-affiliations {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.affiliation-item {
  display: flex;
  align-items: center;
}

.affiliation-sup {
  vertical-align: super;
  font-size: 0.7em;
  margin-right: 3px;
  color: var(--color-primary-dark);
}

.affiliation-bullet {
  margin: 0 0.25rem;
  color: var(--color-text-muted);
}

.hero-gif-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  /*border: 0px solid var(--color-border);
  background: radial-gradient(circle at top left, #f9fafb, #e5e7eb);*/
  padding: 0px;
  /*box-shadow: var(--shadow-soft);*/
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.35);
  max-width: 100%;
  height: auto;
}

.hero-gif {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 2px);
  object-fit: contain;
}

/* Asset buttons matching your site's color scheme */
.asset-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.asset-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-primary-dark);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.asset-pill:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.15);
  text-decoration: none;
  color: var(--color-primary-dark);
}

.asset-pill svg {
  width: 18px;
  height: 18px;
  display: block;
  color: currentColor;
}

/* Paper content sections with alternating backgrounds */
.paper-section {
  padding: 2.5rem 0;
  background: var(--color-surface);
}

.paper-section.alt {
  background: var(--color-surface-alt);
}

.paper-section h3 {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
  font-weight: 600;
}

.paper-section p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
}

.paper-section ul {
  margin: 0;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.paper-section ul li {
  margin-bottom: 0.5rem;
}

/* Architecture diagram */
.arch-diagram-placeholder {
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
  padding: 1.5rem;
  background: var(--color-surface);
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 1rem;
  text-align: center;
  max-width: 100%;
  overflow: hidden;
}

.arch-diagram-placeholder img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  object-fit: contain;
}

.arch-gif-placeholder{
  border-radius: var(--radius-md);
  border: 0px dashed var(--color-border);
  padding: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
  display: flex;
  justify-content: center;
  align-items: center;       /* center vertically */
  gap: 10px;                 /* space between images */
  flex-wrap: wrap;           /* allows wrapping on smaller screens */
}

.arch-gif-placeholder img {
  max-width: 48%;
  height: auto;
  display: block;
  margin: 0 auto;
  object-fit: contain;
}

.arch-gif2-placeholder{
  border-radius: var(--radius-md);
  border: 0px dashed var(--color-border);
  padding: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
  display: flex;
  justify-content: center;
  align-items: center;       /* center vertically */
  gap: 10px;                 /* space between images */
  flex-wrap: wrap;           /* allows wrapping on smaller screens */
}

.arch-gif2-placeholder img {
  max-height: 240px;
  width: auto;
  display: block;
  margin: 0 auto;
  object-fit: contain;
}

.arch-single-gif-placeholder{
  border-radius: var(--radius-md);
  border: 0px dashed var(--color-border);
  padding: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
  display: flex;
  justify-content: center;
  align-items: center;       /* center vertically */
  flex-wrap: wrap;           /* allows wrapping on smaller screens */
}

.arch-single-gif-placeholder img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  object-fit: contain;
}

.arch-diagram-placeholder strong {
  font-weight: 600;
}

/* Architecture caption */
.arch-caption {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
  font-style: italic;
  margin: 0;
  padding: 0 1rem;
  line-height: 1.5;
}

/* Video frame */
.video-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  padding-top: 56.25%; /* 16:9 */
  border: 1px solid var(--color-border);
  background: #000;
  box-shadow: var(--shadow-soft);
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* BibTeX section */
.bibtex-inner {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  position: relative;
  box-shadow: var(--shadow-soft);
}

.copy-bibtex-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--color-surface);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  color: var(--color-primary-dark);
  font-size: 0.8rem;
  padding: 0.4rem 1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.copy-bibtex-btn:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

pre.bibtex-code {
  margin: 0;
  padding-top: 0.5rem;
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--color-text);
  white-space: pre;
  overflow: auto;
  max-height: 240px;
}

/* Acknowledgements section */
.acknowledgements {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
}

.acknowledgements p {
  margin-bottom: 1rem;
}

.funding-list {
  list-style: none;
  padding-left: 0;
  margin: 1rem 0;
}

.funding-list li {
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
}

.funding-list li::before {
  content: "•";
  color: var(--color-primary-dark);
  position: absolute;
  left: 0.5rem;
}

/* Funding logos section */
.funding-logos {
  margin-top: 2rem;
  text-align: center;
}

.funding-logos-title {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.funding-logos-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin: 0 auto;
  max-width: 800px;
}

.funding-logo {
  height: 60px;
  width: auto;
  object-fit: contain;
  opacity: 0.8;
  transition: all 0.3s ease;
}

.funding-logo:hover {
  opacity: 1;
}

/* Copy toast */
.copy-toast {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  background: var(--color-surface);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  color: var(--color-text);
  box-shadow: 0 16px 40px rgba(0,0,0,0.15);
  border: 1px solid var(--color-border);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease-out, transform 0.2s ease-out;
  z-index: 999;
}

.copy-toast.visible {
  opacity: 1;
  transform: translate(-50%, -4px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-affiliations {
    flex-direction: column;
    gap: 0.3rem;
  }
  
  .affiliation-bullet {
    display: none;
  }
  
  .funding-logos-grid {
    gap: 1.5rem;
  }
  
  .funding-logo {
    height: 50px;
    max-width: 140px;
  }
}

@media (max-width: 480px) {
  .funding-logos-grid {
    gap: 1rem;
  }
  
  .funding-logo {
    height: 40px;
    max-width: 120px;
  }
}