body {background-color: #fdfdfd; color: rgb(54, 54, 54); margin: 0px; font-size: 1em; }
h1, h2, h3, h4, h5 {text-align: center;}
h1 {margin-bottom: 24px; font-size: 2.2em; font-weight: normal;}
h2 {margin-top: 48px; font-weight: bold !important;}
h1, h2, h3, h4, h5, a, p, span, body {font-weight: normal; font-family: "Google Sans", sans-serif;}
.header {background-color: #fdfdfd; width: 100%; padding-top: 48px; padding-bottom: 8px;}
.links {width: 100%; margin: auto; text-align: center; padding-top: 8px;}
.content {max-width: 1260px; margin: auto; margin-top: 48px; margin-bottom: 64px;}
a, h2 {color: #c03d3e; text-decoration: none;}
a:hover {color: #ce5252;}
.nobreak {white-space: nowrap;}
.hr {height: 1px; background-color: #d6dbdf; max-width: 960px; margin: auto; margin-top: 48px;}
.hr-long {width: 100%; margin: 48px 0px; height: 1px; background-color: #d6dbdf;}
p {line-height: 1.4em; text-align: justify;}
.abstract {max-width: 940px; margin: auto;}
.math {font-family: "Computer Modern Sans", sans-serif; font-style: italic;}
sub, sup {line-height: 0;}
.figure {width: 100%; min-height: 120px; margin: 36px 0; background-repeat: no-repeat; background-position: center; background-size: contain;}
.figure-caption {margin: auto; max-width: 95%; margin-top: 24px; margin-bottom: 24px;}
.youtube-container {background-color: #000; margin-top: 32px;}
.youtube {display: block; margin: auto; width: 960px; padding-top: 20px; padding-bottom: 20px;}
.content-video {width: 100%; margin: 0; text-align: center;}
.content-video-container {width: 100%; max-width: 100%; margin: auto;}
.content-video-frame {display: inline-block; width: 49%; text-align: center;}
.content-video-frame.medium {width: 30%;}
.content-video-frame.large {width: 36%;}
.content-video-frame.huge {width: 76%;}
.video-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.video-grid {
  display: flex;
}

.content-video-frame {
  margin: 0 10px;
  text-align: center;
}
.abstract-container {
  display: inline-block;
  background-color: yellow;
  padding: 10px;
  margin-top: 20px;
  width: fit-content;
}
.abstract-container {
  display: inline-block;
  background-color: #f1c432;
  padding: 10px;
  margin-top: 20px;
  width: fit-content;
  text-align: center;
}

.yellow-star::before {
  content: "\2605";
  color: rgb(255, 221, 0);
}
.content-video-frame span {display: inline-block; margin-bottom: 12px; font-weight: bold; font-size: 1.2em;}
.hidden-content {display: none; background-color: #f3f3f6; border: 0; border-radius: 12px; margin-top: -18px; margin-bottom: 32px; padding-top: 50px; padding-bottom: 32px;}
.legend {display: inline-block; border: 1px solid #eaeaea; padding: 8px; margin-top: 12px; text-align: center;}
.legend-item {display: inline-block; margin-left: 6px; margin-right: 6px; font-size: 12px;}
.legend-symbol {font-weight: bold; margin-right: 6px; font-size: 20px;}
.page {display: inline-block; width: 96px; height: 124px; border: 1px solid #bbb; margin: 2px; background-repeat: no-repeat; background-position: center; background-size: contain;}
table.authors {width: 100%; max-width: 900px; margin: auto; margin-bottom: -30px; text-align: center;}
table.authors a {padding: 6px 0; display: inline-block; font-weight: normal; font-size: 1.3em;}
table.authors .authors-affiliation {display: block; font-size: 1em;}
a.btn {display: inline-block; min-width: 70px; font-family: "Google Sans", sans-serif; background-color:  rgb(47, 47, 47); color: white; padding: 8px 18px; font-size: 1.1em; font-weight: normal; border-radius: 32px;}
a.btn:hover {background-color:  rgb(54, 54, 54);}
.bibtexsection {padding: 4px 16px; font-family: "Courier", monospace; font-size: 14px; white-space: pre; background-color: #f4f4f4; text-align: left;}
.noselect {-webkit-touch-callout: none; -webkit-user-select: none; -khtml-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none;}
.bold {font-weight: bolder; color:rgb(6, 6, 6)}
.italic {font-style: italic;}
.highlight {font-weight: bolder; font-style: italic; color: #c03d3e;}
footer {background-color: #efeff3; width: 100%; margin-top: 32px; padding-top: 16px; padding-bottom: 16px; text-align: center;}


.video-container figure {
    margin: 0;
    padding: 0;
    text-align: center;
  }
  
.video-container figcaption {
  font-size: 1.2rem;
  margin-top: -5rem;
}

.author-block {
  display: inline-block;
  margin-right: 0px;
}

/* Dataset Viewer Styles */
.category-nav {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
  gap: 10px;
}

.category-btn {
  padding: 8px 16px;
  border: 1px solid #ddd;
  background-color: #f8f9fa;
  color: #333;
  cursor: pointer;
  border-radius: 4px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.category-btn:hover {
  background-color: #e9ecef;
}

.category-btn.active {
  background-color: #0780cf;
  color: white;
  border-color: #0780cf;
}

.real-btn {
  background-color: #28a745;
  color: white;
  border-color: #28a745;
  font-weight: bold;
}

.real-btn:hover {
  background-color: #218838;
  border-color: #218838;
}

.real-btn.active {
  background-color: #1e7e34;
  border-color: #1e7e34;
}


.top-thumbnails {
  margin-bottom: 20px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.thumbnail-row {
  display: grid;
  grid-template-columns: repeat(10, 100px);
  grid-template-rows: 100px;
  gap: 12px;
  justify-content: center;
  margin: 0 auto;
  max-width: 1200px;
}

.top-thumbnail {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 4px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  position: relative;
}

.top-thumbnail::after {
  content: "👁️";
  position: absolute;
  bottom: 4px;
  right: 4px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.top-thumbnail:hover::after {
  opacity: 1;
}

.top-thumbnail:hover {
  border-color: #0780cf;
  transform: scale(1.05);
}

.detail-container {
  margin-top: 20px;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 15px;
  background-color: #f8f9fa;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.detail-content {
  display: flex;
  gap: 30px;
  align-items: flex-start;
  max-width: 850px;
  margin: 0 auto;
}

.left-panel {
  flex: 0 0 350px;
}

.image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  max-width: 350px;
}

.detail-image {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid #ddd;
}

.right-panel {
  flex: 1;
  min-width: 200px;
}

.description-section h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: #333;
  font-size: 16px;
}

.description-text {
  background-color: white;
  padding: 15px;
  border-radius: 4px;
  border: 1px solid #ddd;
  line-height: 1.5;
  font-size: 14px;
  color: #555;
  min-height: 200px;
}