/* ========== Components: Buttons, Cards, Badges, Tables ========== */

/* Buttons */
.button {
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
  transition: var(--transition) !important;
}

.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;
}

/* Publication components */
.publication-title {
  font-weight: 800 !important;
  color: var(--text-primary) !important;
  margin-bottom: 0.75rem !important;
  line-height: 1.15 !important;
}

.publication-authors {
  font-weight: 500;
  margin-bottom: 1rem;
}

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

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

.author-block {
  display: inline-block;
  margin-right: 0.25rem;
}

/* Highlight Badge */
.highlight-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--highlight-bg);
  color: var(--highlight-color);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  border-left: 4px solid var(--highlight-color);
  margin-bottom: 0.5rem;
}

/* Link buttons row */
.publication-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.publication-links .button .icon {
  margin-right: 0.25rem;
}

.publication-links .button.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  background: #e5e7eb;
  border-color: #d1d5db;
  color: #6b7280;
}

/* Section titles */
.title.is-3 {
  font-weight: 700 !important;
  color: var(--text-primary);
  margin-bottom: 1.5rem !important;
  position: relative;
  padding-bottom: 0.6rem;
}

.title.is-3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 2px;
}

/* Content text */
.content.has-text-justified {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* Acceleration cards */
.acceleration-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.accel-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.accel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.accel-card__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.accel-card__title {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.accel-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Visual acceleration cards with images */
.accel-card--visual {
  padding: 1.25rem 1.5rem 1.5rem;
}

.accel-card__img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.accel-figure {
  margin-top: 2rem;
}

.accel-card__analogy {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.8rem;
  font-style: italic;
  color: var(--primary-color);
  opacity: 0.85;
}

/* Comparison table */
.comparison-table {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.comparison-table thead th {
  background: var(--text-primary);
  color: white;
  font-weight: 600;
  padding: 1rem;
}

.comparison-table tbody td {
  padding: 0.875rem 1rem;
  vertical-align: middle;
}

.comparison-table tr.is-selected {
  background: #eff6ff !important;
  font-weight: 600;
}

/* BibTeX */
.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(--radius);
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

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

pre {
  background: var(--bg-accent) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius) !important;
  padding: 1.5rem !important;
  font-size: 0.85rem !important;
  overflow-x: auto;
}

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

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

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

.video-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-accent);
  color: var(--text-light);
  flex-direction: column;
  gap: 0.5rem;
}

/* Scroll to top */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  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: 1.1rem;
  box-shadow: var(--shadow-lg);
}

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

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


/* Motivation figure with video toggle */
.motivation-figure {
  margin-top: 2rem;
  border-radius: var(--radius);
  overflow: hidden;
}

.motivation-figure__static {
  position: relative;
}

.motivation-figure__static img {
  width: 100%;
  border-radius: var(--radius);
  display: block;
  border: 2px solid var(--border-color);
}

.play-video-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 0.6rem 1.2rem;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.play-video-btn:hover {
  border-color: var(--primary);
  background: #eff6ff;
}

.motivation-figure__video video {
  width: 100%;
  border-radius: var(--radius);
  display: block;
}

.back-to-static-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.2s;
}

.back-to-static-btn:hover {
  border-color: var(--text-secondary);
}

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

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

.footer a:hover {
  text-decoration: underline;
}

/* ===== Applications Section ===== */

.app-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.app-tab {
  padding: 0.6rem 1.4rem;
  border: 2px solid var(--border-color);
  border-radius: 999px;
  background: var(--background-primary);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.app-tab:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.app-tab.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
}

.app-panel {
  display: none;
}

.app-panel.active {
  display: block;
}

.app-description {
  text-align: center;
  color: var(--text-secondary);
  max-width: 900px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

/* Retargeting - Resolution Grid */
.retarget-example {
  margin-bottom: 3rem;
}

.retarget-grid {
  display: grid;
  grid-template-columns: 3fr 4fr 6fr;
  grid-template-rows: 6fr 4fr 3fr;
  gap: 6px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  padding: 2rem 0 1.5rem 2rem;
}

.retarget-axis-y {
  position: absolute;
  left: 0;
  top: 50%;
  transform: rotate(-90deg) translateX(-50%);
  transform-origin: left center;
  font-size: 0.7rem;
  color: var(--text-light);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.retarget-axis-x {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  color: var(--text-light);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.retarget-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  background: var(--background-accent);
  transition: var(--transition);
}

.retarget-cell:hover {
  box-shadow: var(--shadow-md);
  transform: scale(1.02);
  z-index: 2;
}

.retarget-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}

.retarget-cell-input {
  outline: 3px solid var(--primary-color);
  outline-offset: -3px;
  z-index: 1;
}

.retarget-cell-input::before {
  content: 'INPUT';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.7rem;
  font-weight: 800;
  color: #fff;
  background: var(--primary-color);
  padding: 2px 10px;
  border-radius: 4px;
  letter-spacing: 0.1em;
  z-index: 3;
  opacity: 0.9;
}

.retarget-cell-label {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  color: #fff;
  background: rgba(0,0,0,0.6);
  padding: 1px 6px;
  border-radius: 3px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s;
}

.retarget-cell:hover .retarget-cell-label {
  opacity: 1;
}

/* Retargeting Explainer */
.retarget-explainer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  background: var(--background-accent);
  border-radius: var(--border-radius);
  flex-wrap: wrap;
}

.retarget-explainer-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.retarget-explainer-item img {
  max-height: 100px;
  width: auto;
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
}

.retarget-explainer-bad img {
  border: 2px solid #ef4444;
}

.retarget-explainer-good img {
  border: 2px solid #22c55e;
}

.retarget-explainer-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.retarget-x {
  color: #ef4444;
  font-weight: 800;
}

.retarget-check {
  color: #22c55e;
  font-weight: 800;
}

.retarget-vs {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-light);
  font-style: italic;
}

.retarget-arrow {
  font-size: 1.5rem;
  color: var(--text-light);
  font-weight: 300;
}

/* Tiling */
.tiling-example {
  margin-bottom: 2.5rem;
}

.tiling-scene-title {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.tiling-seeds-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.tiling-input-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.tiling-input-col img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--primary-color);
}

.tiling-seed-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.tiling-seed-tile {
  width: 100px;
  height: 100px;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--primary-color);
  position: relative;
}

.tiling-seed-tile::after {
  content: 'TILE';
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.55rem;
  font-weight: 800;
  color: #fff;
  background: var(--primary-color);
  padding: 1px 6px;
  border-radius: 3px;
  letter-spacing: 0.08em;
}

.tiling-seed-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tiling-grid {
  width: 240px;
  height: 240px;
  background-repeat: repeat;
  background-size: 33.333% 33.333%;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  position: relative;
}

.tiling-grid::after {
  content: '3×3 TILED';
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  font-weight: 700;
  color: #fff;
  background: rgba(0,0,0,0.6);
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.tiling-label {
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Structural Analogy */
.analogy-example {
  margin-bottom: 2rem;
}

.analogy-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.analogy-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.analogy-item img {
  width: 180px;
  height: auto;
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
}

.analogy-label {
  font-size: 0.7rem;
  color: var(--text-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Text Stylization */
.stylization-example {
  margin-bottom: 2.5rem;
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: center;
}

.stylization-input {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  position: sticky;
  top: 60px;
}

.stylization-input img {
  max-width: 200px;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--primary-color);
}

.stylization-grid {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.stylization-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.stylization-style-label {
  width: 80px;
  font-size: 0.8rem;
  font-weight: 600;
  font-style: italic;
  color: var(--text-secondary);
  text-align: right;
  flex-shrink: 0;
}

.stylization-pair {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.stylization-pair img {
  width: 220px;
  height: auto;
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
}

/* Sticky Section Nav */
.section-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  gap: 0.2rem;
  padding: 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: transform 0.3s ease;
}

.section-nav__link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary, #1a1a1a);
  text-decoration: none;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  transition: all 0.2s ease;
  letter-spacing: 0.02em;
}

.section-nav__link:hover {
  color: var(--primary-color);
  background: rgba(59, 130, 246, 0.08);
}

.section-nav__link.active {
  color: var(--primary-color);
  background: rgba(59, 130, 246, 0.1);
  font-weight: 700;
}

@media (max-width: 768px) {
  .section-nav {
    gap: 0;
    padding: 0.5rem 0.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .section-nav__link {
    font-size: 0.65rem;
    padding: 0.3rem 0.5rem;
    white-space: nowrap;
  }
}