:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #262d33;
  background: #f3f5f7;
  line-height: 1.5;
}
* { box-sizing: border-box; }
body { margin: 0; }
[hidden] { display: none !important; }
button, select, a, summary { -webkit-tap-highlight-color: #d8e4ec; }
button, select { font: inherit; color: inherit; }
button, select, summary, .image-links a {
  min-height: 44px;
}
button, select {
  border: 1px solid #8b98a3;
  border-radius: 6px;
  background: #fff;
  padding: 10px 14px;
}
button, summary { cursor: pointer; }
button:hover, select:hover { background: #e8edf1; }
button:disabled { opacity: .55; cursor: default; }
a { color: #225673; text-underline-offset: .2em; }
a:hover { color: #12384e; }
:focus-visible { outline: 3px solid #226b9b; outline-offset: 4px; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -.025em; line-height: 1.2; }
h2 { font-size: 1.35rem; line-height: 1.3; }
h3 { font-size: 1.05rem; }
.page-header, main { max-width: 1280px; margin: auto; padding-inline: 28px; }
.page-header { padding-block: 28px 24px; border-bottom: 1px solid #d5dde3; }
.page-header p { color: #52606b; margin-top: 6px; }
.site-links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 10px; }
.site-links a { display: inline-flex; align-items: center; min-height: 44px; }
main { padding-block: 24px; }
.browse-controls { display: flex; gap: 20px; align-items: end; flex-wrap: wrap; margin-bottom: 8px; }
.field { display: grid; gap: 6px; flex: 1 1 220px; }
label { font-size: .9rem; font-weight: 600; }
select { width: 100%; max-width: 100%; }
.collection-heading { display: flex; gap: 10px 20px; align-items: baseline; flex-wrap: wrap; }
.study-navigation { position:relative; }
.study-navigation summary { cursor:pointer; }
.study-navigation a { display:block;padding:12px 0; }
.status-label { font-size: .9rem; color: #4d5c67; }
.description { margin-top: 10px; max-width: 72ch; color: #4d5c67; }
.version-context { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 24px; margin-top: 14px; padding-block: 12px; border-block: 1px solid #c0cbd3; font-size: .9rem; }
.version-context a { display: inline-flex; align-items: center; min-height: 44px; }
.version-branches { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 12px; }
.version-branches a { display: inline-flex; align-items: center; min-height: 44px; }
.version-branches > p { flex-basis: 100%; font-weight: 600; }
#version-notice { margin-bottom: 20px; }
details { margin-top: 12px; max-width: 75ch; }
summary { display: list-item; padding-block: 10px; font-weight: 600; }
.archive-browser { max-width: 560px; margin: 0 0 28px; }
.archive-browser .field { margin-top: 8px; }
details p + p { margin-top: 12px; }
li + li { margin-top: 6px; }
.view-count { font-size: .9rem; color: #52606b; margin-block: 24px 12px; }
.model-section { margin-block: 28px 36px; }
.model-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.configuration-panel { margin-top: 20px; padding-block: 18px; border-block: 1px solid #c0cbd3; }
.configuration-panel fieldset { border: 0; margin: 0; padding: 0; }
.configuration-panel legend { font-weight: 600; margin-bottom: 10px; padding: 0; }
.configuration-toggle { display: flex; align-items: center; gap: 12px; min-height: 48px; cursor: pointer; font-size: 1rem; }
.configuration-toggle input { width: 22px; height: 22px; margin: 0; flex: 0 0 auto; accent-color: #225673; cursor: pointer; }
.configuration-description, .configuration-fixed, .configuration-state { color: #4d5c67; font-size: .9rem; max-width: 75ch; }
.configuration-description { margin-left: 34px; }
.configuration-fixed { margin-top: 12px; }
.configuration-selection { margin-top: 12px; font-weight: 600; }
.configuration-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-block: 14px 8px; }
.model-state { color: #4d5c67; min-height: 1.5em; margin-block: 12px; }
.model-stage {
  position: relative; height: clamp(320px, 62dvh, 680px); overflow: hidden;
  background: #e2e7eb; border: 1px solid #c0cbd3; border-radius: 4px;
}
.model-stage > img { width: 100%; height: 100%; object-fit: contain; display: block; }
#model-mount { position: absolute; inset: 0; }
#model-mount:empty { pointer-events: none; }
model-viewer { display: block; width: 100%; height: 100%; touch-action: pan-y; --poster-color: #e2e7eb; }
.model-controls { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.model-help, .model-note { color: #4d5c67; font-size: .9rem; max-width: 75ch; margin-top: 12px; }
.model-stage:fullscreen { width: 100%; height: 100%; border: 0; border-radius: 0; }
.model-stage:fullscreen model-viewer { height: 100dvh; }
.exit-model-fullscreen { display: none; position: absolute; top: 16px; right: 16px; z-index: 1; }
.model-stage:fullscreen .exit-model-fullscreen { display: block; }
.photos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
figure { min-width: 0; margin: 0; }
.photo-button {
  position: relative; display: block; width: 100%; border: 0; border-radius: 4px;
  padding: 0; overflow: hidden; background: #e2e7eb; text-align: left;
}
.photo-button:hover { background: #d9e0e6; }
.photo-button img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 11; object-fit: contain; }
.image-state { position: absolute; inset: 0; display: grid; place-content: center; padding: 24px; text-align: center; }
.enlarge-hint {
  position: absolute; bottom: 12px; right: 12px; padding: 6px 10px;
  border-radius: 4px; background: #fff; color: #262d33; font-size: .85rem;
}
figcaption { padding-top: 12px; }
figcaption p { margin-top: 4px; color: #4d5c67; max-width: 70ch; }
.image-links { display: flex; gap: 4px 20px; flex-wrap: wrap; margin-top: 4px; }
.image-links a { display: inline-flex; align-items: center; padding-block: 10px; font-size: .9rem; }
footer { border-top: 1px solid #d5dde3; margin-top: 40px; padding-top: 20px; color: #52606b; font-size: .9rem; }
code { overflow-wrap: anywhere; }
dialog {
  width: min(1100px, calc(100% - 32px)); max-height: calc(100dvh - 32px);
  padding: 0; border: 0; border-radius: 8px; background: #f3f5f7; color: #262d33;
}
dialog::backdrop { background: rgb(16 24 30 / .8); }
body.viewer-open { overflow: hidden; }
.viewer-toolbar, .viewer-navigation { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 12px 20px; }
.viewer-toolbar { position: sticky; top: 0; background: #f3f5f7; z-index: 1; }
.viewer-stage { position: relative; min-height: 120px; background: #e2e7eb; }
.viewer-stage img { display: block; width: 100%; max-height: 65dvh; object-fit: contain; }
.dimension-view .viewer-stage img { max-height: none; }
#open-sheet { display: inline-flex; align-items: center; min-height: 44px; font-size: .9rem; }
#viewer-image-state { padding: 20px; }
.viewer-caption { padding: 16px 20px 0; }
.viewer-caption p { margin-top: 6px; }
.viewer-navigation { padding-bottom: 20px; }
.skip-link { position: fixed; z-index: 10; top: 8px; left: 8px; padding: 12px; background: #fff; transform: translateY(-200%); }
.skip-link:focus { transform: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
@media (max-width: 600px) {
  .page-header, main { padding-inline: 16px; }
  .page-header { padding-block: 20px; }
  .browse-controls { gap: 12px; margin-bottom: 24px; }
  .field { flex-basis: 100%; }
  .photos { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  dialog { width: calc(100% - 16px); max-height: calc(100dvh - 16px); }
  .viewer-toolbar, .viewer-navigation { padding-inline: 12px; }
  .viewer-caption { padding-inline: 12px; }
}