/* DReSG-specific behavior for comparison grids and deferred media. */

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1100;
  padding: 0.65rem 0.85rem;
  transform: translateY(-200%);
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  background: var(--background-primary);
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.noscript-banner {
  padding: 0.75rem 1rem;
  color: #fff;
  background: #991b1b;
  text-align: center;
}

.publication-title {
  max-width: 980px;
  margin-right: auto !important;
  margin-left: auto !important;
}

.publication-affiliations {
  color: var(--text-secondary);
  line-height: 1.6;
}

.publication-affiliations sup {
  color: var(--primary-color);
  font-weight: 700;
}

.publication-affiliations .corresponding-author {
  display: block;
  color: var(--text-light);
}

.publication-links .button.is-static {
  pointer-events: none;
  opacity: 0.58;
}

.publication-banner {
  max-height: none;
}

.publication-banner img {
  width: 100%;
  height: auto;
}

.publication-figure .subtitle,
.teaser .subtitle {
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.55;
}

#teaser .title.is-3,
#abstract .title.is-3,
#pipeline .title.is-3,
#qualitative .title.is-3,
#ablation1 .title.is-3,
#ablation2 .title.is-3,
#ablation3 .title.is-3,
#user-study .title.is-3,
#bibtex .title.is-3 {
  margin-bottom: 0.5rem !important;
}

#teaser .results-carousel,
#pipeline .results-carousel,
#qualitative .results-carousel,
#ablation1 .results-carousel,
#ablation2 .results-carousel,
#ablation3 .results-carousel,
#user-study .results-carousel {
  padding-top: 0;
}

#teaser .results-carousel .item,
#pipeline .results-carousel .item,
#qualitative .results-carousel .item,
#ablation1 .results-carousel .item,
#ablation2 .results-carousel .item,
#ablation3 .results-carousel .item,
#user-study .results-carousel .item {
  margin-top: 0.5rem;
}

.section-content {
  display: grid;
  gap: 0;
}

.video-set {
  min-width: 0;
  display: grid;
  gap: 1rem;
}

.video-set-header {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.video-set-header::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--border-color);
}

.video-set h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.video-set-meta {
  display: none;
}

.reference-grid,
.media-grid,
.main-support-grid,
.main-method-grid,
.comparison-row-grid {
  min-width: 0;
  display: grid;
  gap: 0.85rem;
}

.comparison-rows,
.comparison-row {
  min-width: 0;
  display: grid;
  gap: 1rem;
}

.comparison-rows {
  gap: 1.5rem;
}

.comparison-row-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.comparison-row.is-continuation .media-label {
  display: none;
}

.reference-grid,
.media-grid,
.main-method-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.media-grid.two-up,
.main-support-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.reference-grid.two-up,
.reference-grid.five-up,
.main-support-grid {
  display: flex;
  align-items: flex-start;
}

.reference-grid.two-up > .media-card,
.reference-grid.five-up > .media-card,
.main-support-grid > .media-card {
  flex: var(--media-ratio, 1) 1 0;
}

.compact-comparisons .reference-grid.two-up,
.compact-comparisons .main-support-grid {
  display: grid;
  grid-template-columns: 1fr;
}

.media-grid.six-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

#ablation3-container {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.media-card {
  min-width: 0;
  align-self: start;
}

.media-label {
  min-height: 1.6rem;
  padding: 0 0.15rem 0.45rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.media-label span {
  width: 100%;
  min-width: 0;
  overflow: hidden;
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.media-label small {
  display: none;
}

.media-shell {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--background-accent);
}

.media-shell-image,
.media-shell-video {
  aspect-ratio: var(--media-ratio, 4 / 3);
}

.media-shell-image,
.media-image-open {
  background: #111;
}

.media-image-open {
  width: 100%;
  height: 100%;
  display: block;
  overflow: hidden;
  border-radius: inherit;
  cursor: zoom-in;
}

.media-image-open:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: -4px;
}

.media-shell-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.media-shell-video video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.media-shell-video video[data-state="idle"],
.media-shell-video video[data-state="queued"],
.media-shell-video video[data-state="loading"],
.media-shell-video video[data-state="error"] {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.media-shell-video video[data-state="ready"] {
  visibility: visible;
}

.media-status {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  color: var(--text-secondary);
  font-size: 0.78rem;
  text-align: center;
  pointer-events: none;
}

.media-status[hidden],
.media-load[hidden] {
  display: none;
}

.media-load {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  min-width: 72px;
  padding: 0.55rem 0.8rem;
  transform: translate(-50%, -50%);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  background: var(--background-primary);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.media-load:disabled,
.media-load[aria-disabled="true"] {
  cursor: wait;
  opacity: 0.7;
}

body.is-image-viewer-open {
  position: fixed;
  width: 100%;
  overflow: hidden;
}

.image-viewer {
  width: min(1440px, calc(100vw - 2rem));
  height: min(960px, calc(100dvh - 2rem));
  max-width: none;
  max-height: none;
  padding: 0;
  overflow: hidden;
  border: 1px solid #34373a;
  border-radius: var(--border-radius-lg);
  color: #fff;
  background: #111;
  box-shadow: var(--shadow-xl);
}

.image-viewer::backdrop {
  background: rgb(0 0 0 / 0.82);
}

.image-viewer-panel {
  width: 100%;
  height: 100%;
  padding: 3.25rem 1rem 1rem;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 0.75rem;
}

.image-viewer-image {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  align-self: center;
  justify-self: center;
  object-fit: contain;
}

.image-viewer-caption {
  margin: 0;
  color: #e7e9eb;
  text-align: center;
}

.image-viewer-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 1;
  min-width: 64px;
  min-height: 44px;
  border: 1px solid #6f7478;
  border-radius: var(--border-radius);
  color: #fff;
  background: #24272a;
  cursor: pointer;
}

@media screen and (min-width: 900px) {
  .compact-comparisons > .video-set {
    grid-template-columns: calc((100% - 2.5rem) / 4) minmax(0, 1fr);
    align-items: start;
    column-gap: 1rem;
  }

  .compact-comparisons > .video-set > .video-set-header {
    grid-column: 1 / -1;
  }

  .compact-comparisons > .video-set > .main-support-grid,
  .compact-comparisons > .video-set > .reference-grid {
    grid-row: 2;
    grid-column: 1;
  }

  .compact-comparisons > .video-set > .main-method-grid,
  .compact-comparisons > .video-set > .media-grid {
    grid-row: 2;
    grid-column: 2;
  }

}

@media screen and (max-width: 980px) {
  .compact-comparisons > .video-set > .main-support-grid,
  .compact-comparisons > .video-set > .reference-grid {
    width: min(100%, 340px);
    margin-right: auto;
    margin-left: auto;
  }

  #ablation3-container {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 768px) {
  .reference-grid,
  .reference-grid.five-up,
  .media-grid,
  .media-grid.two-up,
  .media-grid.six-up,
  .main-method-grid,
  .comparison-row-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .reference-grid.two-up,
  .main-support-grid {
    display: flex;
  }
}

@media screen and (max-width: 480px) {
  .publication-title {
    overflow-wrap: anywhere;
  }

  .media-label {
    min-height: 2.5rem;
    align-items: flex-start;
  }

  .media-label span {
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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