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@media(prefers-reduced-motion:reduce){.science-platform *,.science-platform *:before,.science-platform *:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}
.hand-dock{display:grid;grid-template-columns:180px 1fr;gap:14px;align-items:center;margin-bottom:12px;padding:10px;border:1px solid rgba(83,231,255,.16);border-radius:12px;background:rgba(8,18,34,.72)}.hand-dock .vision-feed{height:105px;aspect-ratio:16/9;border-radius:8px}.hand-dock .vision-cover{gap:4px}.hand-dock .vision-cover>span,.hand-dock .vision-cover>small,.hand-dock .vision-badge{display:none}.hand-dock .vision-cover>b{font-size:6px}.hand-dock .vision-cover>button{height:29px;padding:0 9px;font-size:6px}.hand-dock .stop-camera{height:24px;font-size:6px}.hand-dock>div:last-child{display:flex;flex-direction:column;gap:5px}.hand-dock small{font:700 7px var(--mono);letter-spacing:.12em;color:var(--lab-cyan)}.hand-dock b{font-size:11px}.hand-dock span{font-size:8px;color:#718c9d}
.quiz-gesture{display:grid;grid-template-columns:150px 1fr;gap:12px;align-items:center;margin:-25px 0 28px;padding:9px;border:1px solid rgba(139,108,255,.24);border-radius:11px;background:rgba(24,17,58,.35)}.quiz-gesture .vision-feed{height:84px;aspect-ratio:16/9;border-radius:7px}.quiz-gesture .vision-cover{gap:3px}.quiz-gesture .vision-cover>span,.quiz-gesture .vision-cover>small,.quiz-gesture .vision-badge{display:none}.quiz-gesture .vision-cover>b{font-size:6px}.quiz-gesture .vision-cover>button{height:27px;padding:0 8px;font-size:6px}.quiz-gesture>div:last-child>b,.quiz-gesture>div:last-child>small{display:block;font:650 7px var(--mono);letter-spacing:.08em}.quiz-gesture>div:last-child>b{color:#c8bcff}.quiz-gesture>div:last-child>small{color:#657d8e;margin-top:7px}.quiz-gesture>div:last-child>span{display:block;height:3px;margin-top:8px;background:rgba(255,255,255,.06)}.quiz-gesture>div:last-child>span i{display:block;height:100%;background:var(--lab-violet);transition:.1s}.quiz-options button.pending{border-color:var(--lab-violet);box-shadow:0 0 20px rgba(139,108,255,.13)}
@media(max-width:600px){.hand-dock,.quiz-gesture{grid-template-columns:1fr}.hand-dock .vision-feed,.quiz-gesture .vision-feed{height:120px}.quiz-gesture{margin-top:-20px}}

/* Exhibition readability pass: controls and explanations remain legible from a projector. */
.lab-brand{font-size:14px}.lab-brand span{width:38px;height:38px}.lab-links{align-items:center;gap:22px}.lab-links a,.lab-links button{border:0;background:transparent;color:#aec4d2;text-decoration:none;font:650 11px var(--mono);letter-spacing:.09em;padding:9px 0;cursor:pointer}.lab-links a:hover,.lab-links button:hover{color:var(--lab-cyan)}
.lab-tools button{min-height:42px;font-size:10px}.lab-hero p,.section-heading p,.system-section>div>p{font-size:12px}.lab-hero>div:first-child>span{font-size:18px;max-width:680px}.hero-actions a,.hero-actions button{min-height:52px;font-size:12px}.hero-orbit>span{font-size:10px}
.featured-strip>div>small{font-size:12px;line-height:1.45;color:#9fb3c1;margin-bottom:12px}.featured-strip>div>p{font-size:14px;line-height:1.55;color:#afc3cf;margin:0 0 18px}.featured-strip>div>button{min-height:46px;font-size:11px}.section-heading>span{font-size:16px}.module-card>small{font-size:11px}.module-card h4{font-size:27px}.module-card>p{font-size:15px;line-height:1.55;max-width:none}.card-top>i{font-size:10px}.module-card>div:last-child>b{font-size:10px;line-height:1.4}.module-card>div:last-child>button{min-height:46px;font-size:11px}.pipeline span{font-size:11px}.system-section>button{min-height:48px;font-size:11px}.science-platform>footer b,.science-platform>footer span,.science-platform>footer small{font-size:11px}
.lab-overlay>header small{font-size:10px}.lab-overlay>header h2{font-size:26px}.lab-overlay>header button{min-height:44px;font-size:11px}.lab-intro small{font-size:11px}.lab-intro p{font-size:15px;line-height:1.55}.vision-cover>b{font-size:14px}.vision-cover>small{font-size:13px}.vision-cover>button,.stop-camera{min-height:46px;font-size:11px}.vision-cover>button:disabled{opacity:.58;cursor:wait}.vision-badge{font-size:10px}.mode-tabs button,.control-grid button{font-size:10px}.metric-grid small,.element-card small{font-size:9px}.metric-grid b{font-size:16px}.knowledge-check button{font-size:12px}.formula-ribbon span,.control-grid>*{font-size:12px}.quiz-options button{font-size:16px}.quiz-explanation p{font-size:15px}.big-pipeline p,.ethics-grid p{font-size:14px}.big-pipeline h3{font-size:24px}
@media(max-width:760px){.lab-brand{font-size:11px}.lab-hero>div:first-child>span{font-size:16px}.module-card>p{font-size:15px}.lab-overlay>header h2{font-size:22px}}

/* Keep the drawing layer visual-only so camera controls remain clickable. */
.vision-feed canvas{pointer-events:none}
.vision-cover{z-index:3}

.hand-cursor{position:fixed;left:-18px;top:-18px;z-index:250;width:36px;height:36px;border:2px solid var(--lab-cyan);border-radius:50%;pointer-events:none;opacity:0;transition:opacity .16s,width .1s,height .1s,margin .1s,border-color .1s;box-shadow:0 0 0 7px rgba(83,231,255,.12),0 0 24px rgba(83,231,255,.6)}
.hand-cursor.visible{opacity:1}.hand-cursor.pinching{width:25px;height:25px;margin:5px;border-color:var(--lab-green);box-shadow:0 0 0 9px rgba(115,255,197,.14),0 0 28px rgba(115,255,197,.8)}
.hand-cursor span{position:absolute;left:50%;top:43px;transform:translateX(-50%);padding:4px 7px;border-radius:5px;background:rgba(2,7,17,.82);color:var(--lab-cyan);font:700 8px var(--mono);letter-spacing:.1em;white-space:nowrap;opacity:.72}
.hand-cursor.pinching span{color:var(--lab-green);opacity:1}
.vision-cover{z-index:5;padding:28px}
.vision-cover>button{
  min-width:min(420px,90%);
  min-height:58px;
  padding:0 24px;
  font-size:13px;
  letter-spacing:.11em;
}
.vision-cover>small{max-width:680px;font-size:14px;line-height:1.55}
.camera-loading{
  position:absolute;
  inset:0;
  z-index:6;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:12px;
  text-align:center;
  background:rgba(2,7,17,.76);
  backdrop-filter:blur(5px);
}
.camera-loading i{
  width:36px;
  height:36px;
  border:3px solid rgba(83,231,255,.18);
  border-top-color:var(--lab-cyan);
  border-radius:50%;
  animation:lab-spin 1s linear infinite;
}
.camera-loading b{font:700 13px var(--mono);color:var(--lab-cyan);letter-spacing:.1em}
.camera-loading span{font-size:13px;color:#b5c9d4}
.pinch-hint{
  position:fixed;
  left:50%;
  bottom:22px;
  z-index:20;
  transform:translateX(-50%);
  margin:0;
  padding:10px 16px;
  border:1px solid rgba(83,231,255,.35);
  border-radius:999px;
  background:rgba(3,7,17,.78);
  color:#dffaff;
  font:700 10px var(--mono);
  letter-spacing:.1em;
  pointer-events:none;
}
.pinch-cursor{
  position:absolute;
  z-index:4;
  width:32px;
  height:32px;
  translate:-50% -50%;
  border:3px solid var(--lab-cyan);
  border-radius:50%;
  box-shadow:0 0 0 8px rgba(83,231,255,.12),0 0 22px rgba(83,231,255,.8);
  pointer-events:none;
}
.pinch-cursor.pinching{
  width:24px;
  height:24px;
  border-color:var(--lab-green);
  box-shadow:0 0 0 10px rgba(115,255,197,.15),0 0 25px rgba(115,255,197,.9);
}
.hand-dock{grid-template-columns:minmax(320px,42%) 1fr;padding:14px}
.hand-dock .vision-feed{height:auto;min-height:240px;aspect-ratio:4/3}
.hand-dock .vision-cover>span{display:block}
.hand-dock .vision-cover>b{font-size:13px}
.hand-dock .vision-cover>small{display:block;font-size:12px}
.hand-dock .vision-cover>button{display:block;min-width:min(340px,92%);min-height:56px;font-size:11px}
.hand-dock>div:last-child small{font-size:10px}
.hand-dock>div:last-child b{font-size:15px}
.hand-dock>div:last-child span{font-size:12px}
.camera-diagnostics{
  position:fixed;
  left:14px;
  bottom:14px;
  z-index:400;
  width:290px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:6px 12px;
  padding:14px;
  border:1px solid rgba(83,231,255,.35);
  border-radius:10px;
  background:rgba(2,7,17,.94);
  color:#9fb6c4;
  font:600 10px var(--mono);
}
.camera-diagnostics>b{grid-column:1/-1;color:var(--lab-cyan);margin-bottom:4px}
.camera-diagnostics span{display:contents}
.camera-diagnostics strong{color:#effcff;overflow-wrap:anywhere}
.pose-challenges{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.pose-challenges span{padding:13px;border:1px solid rgba(124,209,255,.2);border-radius:9px;background:rgba(4,12,24,.72);color:#91a8b6;text-align:center;font:700 10px var(--mono)}
.pose-challenges span.complete{border-color:var(--lab-green);color:var(--lab-green);box-shadow:0 0 18px rgba(115,255,197,.12)}
.block.grabbed{border-color:var(--lab-green);box-shadow:0 0 0 5px rgba(115,255,197,.12),0 0 28px rgba(115,255,197,.45)}
@media(max-width:760px){
  .hand-dock{grid-template-columns:1fr}
  .hand-dock .vision-feed{min-height:220px}
  .pinch-hint{bottom:84px;white-space:nowrap}
  .pose-challenges{grid-template-columns:1fr}
}


/* Canonical contained AR window. Camera layers must never escape this box. */
.lab-overlay:has(.camera-live){
  background:radial-gradient(circle at 70% 0,rgba(77,62,183,.12),transparent 35%),#030711;
}
.lab-overlay:has(.camera-live)>main{
  isolation:auto;
  position:relative;
}
.lab-overlay:has(.camera-live) .experience,
.lab-overlay:has(.camera-live) .quiz-live{
  position:relative;
  z-index:auto;
}
.vision-stage:not(.compact),
.camera-live{
  width:min(720px,100%);
  max-width:720px;
  margin-inline:auto;
  height:auto;
  min-height:0;
  position:relative;
  z-index:auto;
}
.camera-live .vision-feed{
  position:relative;
  inset:auto;
  z-index:auto;
  width:100%;
  max-width:720px;
  max-height:none;
  aspect-ratio:4/3;
  border:1px solid rgba(83,231,255,.34);
  border-radius:17px;
  box-shadow:0 24px 80px rgba(0,0,0,.38);
  background:#050b13;
  overflow:hidden;
}
.camera-live .vision-feed video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:none;
  transform:scaleX(-1);
}
.camera-live .camera-tint{
  display:none;
  background:transparent;
}
.camera-live .vision-feed canvas{
  position:absolute;
  inset:0;
  z-index:2;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:1;
  filter:drop-shadow(0 0 7px rgba(83,231,255,.55));
  pointer-events:none;
}
.camera-live .vision-badge{
  position:absolute;
  top:13px;
  left:13px;
  z-index:5;
}
.camera-live .stop-camera{
  position:absolute;
  right:12px;
  bottom:12px;
  z-index:6;
  min-width:180px;
  min-height:54px;
}
.camera-live .pinch-cursor{
  position:absolute;
  z-index:5;
}
.camera-live .pinch-hint{
  position:absolute;
  left:50%;
  bottom:14px;
  z-index:5;
  transform:translateX(-50%);
  margin:0;
  background:rgba(3,7,17,.58);
}
.experience.two-column{
  align-items:start;
}
.experience.two-column>div:first-child{
  min-width:0;
}
.lab-intro>div{
  background:transparent;
  backdrop-filter:none;
  box-shadow:none;
}
.hand-dock{
  background:transparent;
  backdrop-filter:none;
}
@media(max-width:760px){
  .vision-stage:not(.compact),
  .camera-live{width:100%;max-width:100%}
  .camera-live .vision-feed{border-radius:11px}
  .camera-live .stop-camera{min-width:150px;min-height:50px}
  .camera-live .pinch-hint{bottom:72px;white-space:nowrap}
}


/* Camera-composited science layers — July 2026 */
.experience:has(> .hand-dock),
.experience.two-column>div:first-child:has(> .hand-dock),
.pose-skeleton>div:first-child,
.pose-respiratory>div:first-child{
  display:grid;
  grid-template-columns:minmax(0,1fr);
}
.experience:has(> .hand-dock)> .hand-dock,
.experience.two-column>div:first-child:has(> .hand-dock)> .hand-dock,
.pose-skeleton>div:first-child> .vision-stage,
.pose-respiratory>div:first-child> .vision-stage{
  grid-column:1;
  grid-row:2;
  align-self:stretch;
}
.hand-dock{
  position:relative;
  display:block;
  padding:0;
  min-height:clamp(430px,58vw,630px);
  border:1px solid rgba(83,231,255,.34);
  border-radius:17px;
  overflow:hidden;
  background:#050b13;
}
.hand-dock .vision-stage,
.hand-dock .vision-feed{
  width:100%;
  height:100%;
  min-height:clamp(430px,58vw,630px);
  max-height:630px;
  aspect-ratio:4/3;
  border:0;
  border-radius:0;
}
.hand-dock>div:last-child{
  position:absolute;
  top:14px;
  left:50%;
  z-index:7;
  transform:translateX(-50%);
  width:max-content;
  max-width:calc(100% - 250px);
  padding:8px 12px;
  border:1px solid rgba(83,231,255,.28);
  border-radius:999px;
  background:rgba(3,7,17,.42);
  text-align:center;
  pointer-events:none;
}
.hand-dock>div:last-child small,
.hand-dock>div:last-child span{display:none}
.hand-dock>div:last-child b{font:700 9px var(--mono);letter-spacing:.08em;color:#effcff}
.experience:has(> .hand-dock)> :is(.physics-stage,.ray-stage,.circuit-board,.energy-stage,.body-system,.heart-stage),
.experience.two-column>div:first-child:has(> .hand-dock)> :is(.atom,.cell-diagram,.reaction-bench,.molecule-stage),
.pose-skeleton>div:first-child> .metric-grid,
.pose-respiratory>div:first-child> .lungs{
  grid-column:1;
  grid-row:2;
  z-index:4;
  align-self:stretch;
  margin:0;
  border-color:rgba(255,255,255,.2);
  background:transparent;
  box-shadow:none;
}
.experience:has(> .hand-dock)> :is(.physics-stage,.ray-stage,.circuit-board,.energy-stage,.body-system,.heart-stage),
.experience.two-column>div:first-child:has(> .hand-dock)> :is(.atom,.cell-diagram,.reaction-bench,.molecule-stage){
  min-height:clamp(430px,58vw,630px);
  height:auto;
}
.pose-skeleton>div:first-child> .metric-grid{
  align-self:end;
  margin:0 14px 14px;
  max-width:calc(100% - 28px);
}
.pose-skeleton>div:first-child> .metric-grid span{
  background:rgba(3,7,17,.38);
  border-color:rgba(83,231,255,.24);
}
.pose-respiratory>div:first-child> .lungs{
  align-self:center;
  justify-self:center;
  width:min(72%,560px);
  height:64%;
}
.physics-stage,.ray-stage,.circuit-board,.energy-stage,.body-system,.heart-stage,
.atom,.cell-diagram,.reaction-bench,.molecule-stage{
  backdrop-filter:none;
}
@media(max-width:760px){
  .hand-dock,
  .hand-dock .vision-stage,
  .hand-dock .vision-feed{
    min-height:420px;
  }
  .hand-dock>div:last-child{
    top:56px;
    max-width:calc(100% - 28px);
    white-space:normal;
  }
}

/* High-contrast AR content: the camera stays clear and every educational object is opaque. */
.camera-live .camera-tint{display:none!important;background:transparent!important}
.experience:has(> .hand-dock)> :is(.block,.energy-object,.target-zone),
.experience.two-column>div:first-child:has(> .hand-dock)> :is(.nucleus,.atom-c,.atom-o,.flask),
.circuit-board>button{
  opacity:1;
  filter:drop-shadow(0 3px 7px #02050b) drop-shadow(0 0 8px currentColor);
}
.hand-dock>div:last-child{
  background:#06111d;
  border-color:#53e7ff;
  box-shadow:0 4px 16px #02050b;
}

/* Distinct, solid cell machinery instead of identical translucent hotspots. */
.cell-diagram{
  isolation:isolate;
  background:transparent;
  border:3px solid #63ffc3;
  box-shadow:inset 0 0 0 6px #124d3c,0 0 18px #02050b;
}
.cell-diagram:before{
  inset:4%;
  border:3px solid #39d7e8;
  background:transparent;
}
.cell-diagram .cell-wall{
  z-index:3;
  padding:7px 11px;
  border-radius:999px;
  background:#07261f;
  color:#9affdc;
  font-size:10px;
}
.cell-diagram button.organelle{
  z-index:3;
  width:74px;
  height:52px;
  padding:0;
  border:3px solid #f7fbff;
  background:#237ca3;
  box-shadow:0 4px 12px #02050b,0 0 12px currentColor;
  overflow:visible;
}
.cell-diagram button.organelle i{width:100%;height:100%;border-radius:inherit;background:inherit;box-shadow:none}
.cell-diagram button.organelle span{
  position:absolute;
  left:50%;
  top:calc(100% + 7px);
  transform:translateX(-50%);
  min-width:max-content;
  padding:4px 7px;
  border:1px solid currentColor;
  border-radius:5px;
  background:#03101a;
  color:#fff;
  font:700 9px var(--font);
  letter-spacing:.01em;
  text-shadow:0 1px 3px #000;
}
.cell-diagram button.organelle.active{transform:translate(-50%,-50%) scale(1.14);border-color:#fff;box-shadow:0 0 0 5px #73ffc5,0 5px 18px #02050b}
.cell-diagram .organelle-nucleus{width:96px!important;height:96px!important;border-radius:50%!important;background:radial-gradient(circle at 38% 37%,#ffe67a 0 10%,#f06cff 12% 45%,#7826a8 47% 100%)!important;color:#ff8df5}
.cell-diagram .organelle-mitochondria{width:100px!important;height:48px!important;border-radius:52% 48% 58% 42%!important;background:repeating-linear-gradient(115deg,#ff8b35 0 8px,#9b261b 9px 14px)!important;color:#ff9c52;transform:translate(-50%,-50%) rotate(-13deg)}
.cell-diagram .organelle-mitochondria.active{transform:translate(-50%,-50%) rotate(-13deg) scale(1.14)}
.cell-diagram .organelle-vacuole{width:145px!important;height:105px!important;border-radius:55% 45% 48% 52%!important;background:#276de6!important;color:#76b8ff}
.cell-diagram .organelle-chloroplast{width:94px!important;height:46px!important;border-radius:50%!important;background:repeating-linear-gradient(90deg,#62e465 0 9px,#116c35 10px 14px)!important;color:#74ff81;transform:translate(-50%,-50%) rotate(12deg)}
.cell-diagram .organelle-chloroplast.active{transform:translate(-50%,-50%) rotate(12deg) scale(1.14)}
.cell-diagram .organelle-golgi{width:94px!important;height:58px!important;border:0!important;border-radius:12px!important;background:repeating-linear-gradient(#ffcf4c 0 6px,#7a4510 7px 11px)!important;color:#ffd45d}
.cell-diagram .organelle-ribosomes{width:74px!important;height:52px!important;border-radius:16px!important;background:radial-gradient(circle,#fff 0 3px,transparent 4px),#e14f6f!important;background-size:15px 15px!important;color:#ff7e98}
.cell-diagram .organelle-er{width:116px!important;height:62px!important;border-radius:18px!important;background:repeating-linear-gradient(155deg,#31cdf3 0 5px,#075f86 6px 11px)!important;color:#5fe5ff}
.cell-diagram .organelle-cytoplasm{width:58px!important;height:58px!important;border-radius:42% 58% 45% 55%!important;background:#b873ff!important;color:#d2a0ff}

/* A live eye avatar driven by Face Landmarker blink, gaze, brow and squint blendshapes. */
.tracked-eye-panel{
  margin-top:12px;
  min-height:210px;
  display:grid;
  place-items:center;
  position:relative;
  overflow:hidden;
  border:2px solid #53e7ff;
  border-radius:18px;
  background:#06111d;
  box-shadow:0 9px 30px #02050b;
}
.tracked-eye-panel>small{position:absolute;left:15px;top:13px;color:#53e7ff;font:800 10px var(--mono);letter-spacing:.11em}
.tracked-eye-panel>span{position:absolute;bottom:12px;color:#dffaff;font:700 10px var(--mono);letter-spacing:.08em}
.tracked-eye{position:relative;width:min(340px,72%);height:122px;display:grid;place-items:center}
.tracked-eye-ball{
  position:relative;
  z-index:2;
  width:100%;
  height:104px;
  overflow:hidden;
  border:5px solid #38253f;
  border-radius:50% 48%;
  background:#fffdf2;
  transform:scaleY(var(--eye-open));
  transition:transform 45ms linear;
  box-shadow:inset 0 0 24px #e9a8b4,0 0 0 3px #f4b7ad;
}
.tracked-iris{
  position:absolute;
  left:50%;
  top:50%;
  width:70px;
  height:70px;
  margin:-35px;
  border:7px solid #16b5d1;
  border-radius:50%;
  background:radial-gradient(circle,#070b14 0 26%,#156e91 28% 57%,#5fe7e7 59% 70%,#0b6586 72%);
  transform:translate(var(--eye-x),var(--eye-y));
  transition:transform 55ms linear;
  box-shadow:0 0 0 2px #083245;
}
.tracked-iris b{position:absolute;left:18px;top:13px;width:12px;height:12px;border-radius:50%;background:#fff;box-shadow:0 0 6px #fff}
.eye-brow{
  position:absolute;
  z-index:4;
  left:9%;
  right:9%;
  top:0;
  height:18px;
  border-top:10px solid #5b3428;
  border-radius:50%;
  transform:translateY(var(--brow-lift));
  transition:transform 70ms linear;
}
.eye-muscle{position:absolute;z-index:3;left:1%;right:1%;height:34px;border:7px solid #f05e7b;filter:drop-shadow(0 3px 3px #02050b)}
.eye-muscle-upper{top:21px;border-width:7px 0 0;border-radius:50%}
.eye-muscle-lower{bottom:3px;border-width:0 0 7px;border-radius:50%;transform:translateY(var(--eye-squint))}
@media(max-width:760px){
  .cell-diagram button.organelle{transform:translate(-50%,-50%) scale(.82)}
  .cell-diagram button.organelle.active{transform:translate(-50%,-50%) scale(.95)}
  .tracked-eye{width:86%}
}