* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: #F9FAFB;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: #111;
  min-height: 100vh;
  padding: 20px;
}
a { color: #5B6CFF; text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: #9CA3AF; }
.violet { color: #7C3AED; font-weight: 500; }
.dot { color: #9CA3AF; margin: 0 4px; }

.container { max-width: 1680px; margin: 0 auto; }

.card {
  background: white;
  border-radius: 10px;
  border: 1px solid #E5E7EB;
  padding: 14px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
  margin-bottom: 12px;
}

.label {
  font-size: 11px;
  color: #6B7280;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.label .hint {
  font-size: 10px;
  color: #9CA3AF;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  margin-left: 8px;
  font-style: italic;
}

/* Hero */
.hero .title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.hero .subtitle {
  font-size: 13px;
  color: #374151;
  margin-top: 6px;
}
.hero .subtitle em { color: #111; font-style: italic; }
.hero .authors,
.hero .cite,
.hero .rig {
  font-size: 12px;
  color: #374151;
  margin-top: 3px;
}
.hero .rig { margin-top: 8px; }

/* Dataset legend */
.dataset-cards {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.dataset-card {
  flex: 1;
  padding: 10px 12px;
  border-left: 3px solid;
  background: #FAFAFA;
  border-radius: 0 6px 6px 0;
  min-width: 0;
}
.dataset-card .ds-tag {
  font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  margin-right: 6px;
}
.dataset-card .ds-count {
  font-size: 12px;
  margin-left: 6px;
}
.dataset-card .desc {
  font-size: 12px;
  color: #4B5563;
  line-height: 1.45;
  margin-top: 4px;
}
.dataset-card strong { font-size: 13px; }

/* Controls */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: flex-start;
}
.controls > div { min-width: 0; }
.controls select {
  width: 440px; max-width: 100%;
  padding: 6px 8px;
  font-family: inherit;
  font-size: 13px;
  border: 1px solid #E5E7EB;
  border-radius: 6px;
  background: white;
}
.controls label {
  font-size: 13px;
  margin-right: 8px;
  user-select: none;
  cursor: pointer;
}
.controls input[type=radio] {
  margin: 0 4px 0 0;
  vertical-align: middle;
}
.frames-block { flex: 1; min-width: 380px; }
.sliders {
  display: flex;
  gap: 14px;
  margin-top: 8px;
}
.sliders label { flex: 1; font-size: 12px; color: #4B5563; }
.sliders input[type=range] {
  width: 130px;
  vertical-align: middle;
  margin: 0 6px;
}
.sliders span {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: #111;
  display: inline-block;
  min-width: 24px;
}

.range-inputs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  margin-top: 2px;
}
.range-inputs input[type=number] {
  width: 60px;
  padding: 3px 6px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  border: 1px solid #E5E7EB;
  border-radius: 4px;
}
.range-inputs input[type=number]:disabled { background: #F9FAFB; color: #9CA3AF; }

.presets {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}
.preset-btn {
  font-size: 11px;
  padding: 3px 8px;
  border: 1px solid #E5E7EB;
  background: white;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  color: #4B5563;
}
.preset-btn:hover { background: #F3F4F6; border-color: #5B6CFF; color: #5B6CFF; }

.description {
  margin-top: 10px;
  font-size: 13px;
  color: #1F2937;
  font-style: italic;
  border-left: 3px solid #7C3AED;
  padding: 8px 12px;
  background: #FAFAFA;
  border-radius: 4px;
}

.meta-bar, .stats-bar {
  margin-top: 8px;
  font-size: 12px;
  color: #374151;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.badge .b-label { color: #9CA3AF; }
.badge .b-value { font-weight: 500; }

/* Main panels */
.main-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}
.flex-3 { flex: 3; }
.flex-2 { flex: 2; }
.fig-3d { height: 600px; }

/* Galleries */
.gallery-section + .gallery-section { margin-top: 6px; }
.gallery-section-header {
  border-top: 1px solid #E5E7EB;
  padding-top: 10px;
  margin-top: 12px;
  margin-bottom: 8px;
  font-size: 13px;
}
.gallery-section:first-child .gallery-section-header {
  border-top: none;
  padding-top: 4px;
  margin-top: 4px;
}
.gallery-section-header .ds-tag {
  font-weight: 700;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  margin-right: 8px;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px;
}
.thumb {
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 6px 4px;
  text-align: center;
  transition: background 0.1s, border-color 0.1s;
}
.thumb:hover {
  background: #FAFAFA;
  border-color: #E5E7EB;
}
.thumb.active {
  border-color: #5B6CFF;
  background: #EEF1FF;
}
.thumb-title {
  font-size: 10px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.thumb svg {
  width: 100%;
  height: 100px;
  display: block;
}

.footer {
  text-align: center;
  font-size: 11px;
  color: #9CA3AF;
  padding: 14px 0 4px;
}

/* Loading state */
.loading::after {
  content: '';
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #9CA3AF;
  animation: pulse 1s infinite;
  margin-left: 6px;
  vertical-align: middle;
}
@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}