.biology-lab-page{max-width:1320px;color:var(--theme-ink,#233d34);margin:0 auto;padding:28px 28px 48px}.biology-lab-embedded{border:1px solid var(--theme-line,#cbd9cf);background:var(--theme-surface,#fbfcf8);color:var(--theme-ink,#233d34);border-radius:22px;margin:26px 0;padding:22px}.biology-lab,.biology-lab-page{overflow-wrap:anywhere;min-width:0}.biology-lab-heading{margin:22px 0}.biology-lab-heading .eyebrow{color:var(--theme-body,#496455);flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:1.6;display:flex}.biology-lab-heading h1{letter-spacing:-.035em;margin:12px 0;font-size:clamp(28px,3vw,42px);line-height:1.16}.biology-lab-heading h2{margin:12px 0;font-size:clamp(24px,2.4vw,32px);line-height:1.22}.biology-lab-heading p{max-width:850px;color:var(--theme-body,#4b6357);margin:10px 0;font-size:18px;line-height:1.65}.biology-lab-back{color:var(--theme-text-green,#28604c);align-items:center;gap:8px;min-height:44px;font-weight:650;display:inline-flex}.biology-lab-steps{flex-wrap:wrap;gap:14px;margin:18px 0;padding:0;list-style:none;display:flex}.biology-lab-steps li{align-items:center;gap:8px;font-size:15px;display:flex}.biology-lab-steps b{background:var(--theme-surface-green,#e1ebdf);width:27px;height:27px;color:var(--theme-text-green,#225c48);border-radius:50%;place-items:center;display:grid}.biology-lab-prediction,.biology-lab-explanation,.biology-lab-notes{border:1px solid var(--theme-line,#cddbd0);background:var(--theme-surface-green,#f5f8ef);border-radius:17px;margin:20px 0;padding:20px}.biology-lab summary{cursor:pointer;min-height:32px;font-weight:650;line-height:1.5}.biology-lab-prediction fieldset{border:0;margin:18px 0 14px;padding:0}.biology-lab-prediction legend{margin-bottom:10px;font-weight:600;line-height:1.6}.biology-lab-prediction label{align-items:flex-start;gap:8px;min-height:44px;padding:8px 0;line-height:1.5;display:flex}.biology-lab-prediction input{width:18px;height:18px;accent-color:var(--theme-accent,#28604c);flex-shrink:0;margin-top:4px}.biology-lab-answer{margin-bottom:0;line-height:1.7}.biology-lab-workbench{grid-template-columns:minmax(235px,.68fr) minmax(0,1.6fr);align-items:start;gap:18px;display:grid}.biology-lab-controls,.biology-lab-screen{border:1px solid var(--theme-line,#cddbd0);background:var(--theme-surface,#fff);border-radius:18px;min-width:0;padding:20px}.biology-lab-section-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px;margin-bottom:20px;display:flex}.biology-lab-section-heading h3{margin:0;font-size:18px}.biology-lab-reset{color:var(--theme-text-green,#315f4c);cursor:pointer;min-height:44px;font:inherit;background:0 0;border:0;align-items:center;gap:5px;padding:4px;font-size:14px;display:inline-flex}.biology-lab-control{min-width:0;margin:20px 0}.biology-lab-control label{font-size:15px;font-weight:600;line-height:1.5;display:block}.biology-lab-control output{color:var(--theme-text-green,#235c47);font-size:22px;font-weight:650;line-height:1.6;display:block}.biology-lab-control output span{font-size:14px;font-weight:500}.biology-lab-control input[type=range]{width:100%;height:38px;accent-color:var(--theme-accent,#28604c);cursor:pointer;margin:0;display:block}.biology-lab-control select,.biology-lab-catalog-intro select{border:1px solid var(--theme-control-border,#aec5b6);width:100%;max-width:100%;min-height:46px;color:var(--theme-ink,#263f34);background:var(--theme-surface,#fff);font:inherit;border-radius:10px;margin-top:7px;padding:10px;font-size:15px;display:block}.biology-lab-scale{color:var(--theme-muted,#54695e);justify-content:space-between;gap:10px;font-size:12px;display:flex}.biology-lab-experiment{background:var(--theme-surface-green,#f2f6e9);border-radius:12px;margin-top:22px;padding:15px;font-size:15px;line-height:1.65}.biology-lab-experiment p{margin:6px 0 0}.biology-lab-figure{min-width:0;margin:0}.biology-lab-figure-toolbar{justify-content:flex-end;margin-bottom:8px;display:flex}.biology-lab-expand{border:1px solid var(--theme-line,#adc4b3);background:var(--theme-surface-green,#f5f9ee);min-height:44px;color:var(--theme-text-green,#285640);font:inherit;cursor:pointer;border-radius:10px;align-items:center;gap:7px;padding:8px 12px;font-size:14px;font-weight:650;display:inline-flex}.biology-lab-figure-placeholder{aspect-ratio:560/320}.biology-lab-viewer{border:1px solid var(--theme-line,#afc5b4);background:var(--theme-surface,#fff);width:min(1020px,100vw - 20px);max-width:calc(100vw - 20px);max-height:calc(100dvh - 24px);color:var(--theme-ink,#263f34);box-shadow:0 18px 70px var(--theme-shadow-color,#143b3033);overscroll-behavior:contain;border-radius:18px;margin:auto;padding:20px;overflow:auto}.biology-lab-viewer::backdrop{background:#153429aa}.biology-lab-viewer-heading{z-index:1;background:var(--theme-surface,#fff);justify-content:space-between;align-items:flex-start;gap:14px;padding:6px 0;display:flex;position:sticky;top:-20px}.biology-lab-viewer-heading h2{margin:4px 0;font-size:20px;font-weight:700;line-height:1.45}.biology-lab-viewer-close{border:1px solid var(--theme-line,#adc4b3);background:var(--theme-surface-green,#f4f8ee);width:44px;height:44px;color:var(--theme-text-green,#285640);cursor:pointer;border-radius:10px;flex:0 0 44px;place-items:center;display:grid}.biology-lab-viewer-hint,.biology-lab-viewer-caption{margin:12px 0;font-size:16px;line-height:1.65}.biology-lab-viewer-pan{overscroll-behavior-x:contain;touch-action:pan-x pan-y pinch-zoom;border:1px solid var(--theme-line,#d0ddce);border-radius:12px;max-width:100%;overflow-x:auto}.biology-lab-viewer-pan:focus-visible{outline:3px solid var(--theme-focus,#2166a4);outline-offset:3px}.biology-lab-viewer-pan .biology-lab-svg{min-width:640px;max-width:none}.biology-lab-svg{background:#fcfdf9;border-radius:12px;width:100%;height:auto;display:block}.biology-lab-svg text{font-family:inherit}.biology-lab-figure figcaption{color:var(--theme-body,#4d6256);margin:12px 0;font-size:14px;line-height:1.65}.biology-lab-formula{background:var(--theme-surface-green,#edf4e8);border-radius:12px;margin:16px 0;padding:14px;font-size:16px;font-weight:600;line-height:1.7}.biology-lab-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:14px 0 0;display:grid}.biology-lab-metrics>div{background:var(--theme-surface-green,#f7f9f3);border:1px solid var(--theme-line,#e0e7dc);border-radius:10px;min-width:0;padding:13px}.biology-lab-metrics dt{color:var(--theme-muted,#526657);font-size:13px;line-height:1.5}.biology-lab-metrics dd{color:var(--theme-ink,#234c3b);margin:4px 0 0;font-size:20px;font-weight:650;line-height:1.4}.biology-lab-metrics dd small{font-size:13px;font-weight:500}.biology-lab-data{color:var(--theme-text-green,#305240);margin:14px 0;font-size:14px}.biology-lab-table-wrap{max-width:100%;overflow-x:auto}.biology-lab-data table{border-collapse:collapse;background:var(--theme-surface,#fff);width:100%;margin:8px 0;font-size:14px;line-height:1.6}.biology-lab-data caption{text-align:left;padding:8px;font-weight:600}.biology-lab-data th,.biology-lab-data td{text-align:left;border:1px solid var(--theme-line,#ccdbd0);min-width:65px;padding:9px}.biology-lab-data th{background:var(--theme-surface-green,#eef4e9);font-weight:600}.biology-lab-explanation h3{margin:0 0 8px;font-size:20px}.biology-lab-explanation p{margin:10px 0;line-height:1.75}.biology-lab-explanation a{color:var(--theme-text-green,#225b49);text-underline-offset:3px;text-decoration:underline}.biology-lab-notes label{font-size:20px;font-weight:650;display:block}.biology-lab-notes p{color:var(--theme-muted,#516657);line-height:1.6}.biology-lab-notes textarea{resize:vertical;border:1px solid var(--theme-control-border,#aec5b6);background:var(--theme-surface,#fff);width:100%;min-width:0;min-height:110px;color:var(--theme-ink,#263f34);font:inherit;border-radius:12px;padding:13px;font-size:16px;line-height:1.65;display:block}.biology-lab-notes-footer{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-top:12px;display:flex}.biology-lab-notes-footer span{color:var(--theme-muted,#516657);flex:240px;font-size:13px;line-height:1.6}.biology-lab-footnote{color:var(--theme-muted,#526758);margin:20px 0;font-size:14px;line-height:1.7}.biology-lab-catalog-intro{background:var(--theme-surface-green,#eef4e8);border-radius:16px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;margin:22px 0;padding:20px;display:flex}.biology-lab-catalog-intro p{flex:300px;max-width:700px;margin:0;line-height:1.7}.biology-lab-catalog-intro label{flex:0 220px;font-weight:600}.biology-lab-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;display:grid}.biology-lab-card{border:1px solid var(--theme-line,#cddbd0);background:var(--theme-surface,#fff);color:var(--theme-ink,#294b3c);border-radius:20px;flex-direction:column;min-width:0;padding:23px;transition:border-color .18s,background .18s;display:flex}.biology-lab-card:hover{border-color:var(--theme-line,#658f75);background:var(--theme-surface-green,#f7faf1)}.biology-lab-card-top{color:var(--theme-body,#4a6453);justify-content:space-between;align-items:center;gap:12px;font-size:12px;display:flex}.biology-lab-card-top b{color:var(--theme-text-green,#447d60);font-size:24px}.biology-lab-card h2{margin:18px 0 10px;font-size:24px;line-height:1.25}.biology-lab-card p{color:var(--theme-muted,#516758);margin:0 0 22px;font-size:15px;line-height:1.65}.biology-lab-card-action{align-items:center;gap:8px;margin-top:auto;font-weight:650;display:inline-flex}.biology-lab :is(input,select,button,textarea,summary,a):focus-visible,.biology-lab-page :is(a,select):focus-visible{outline:3px solid var(--theme-focus,#2166a4);outline-offset:4px}@media (max-width:1100px){.biology-lab-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.biology-lab-embedded .biology-lab-workbench{grid-template-columns:minmax(0,1fr)}}@media (max-width:800px){.biology-lab-workbench{grid-template-columns:minmax(0,1fr)}.biology-lab-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px;display:grid}.biology-lab-section-heading,.biology-lab-experiment{grid-column:1/-1}.biology-lab-page{padding:18px 16px 36px}}@media (max-width:520px){.biology-lab-grid{grid-template-columns:minmax(0,1fr)}.biology-lab-controls{display:block}.biology-lab-embedded{padding:12px}.biology-lab-controls,.biology-lab-screen{padding:14px}.biology-lab-heading p{font-size:16px}.biology-lab-metrics{grid-template-columns:minmax(0,1fr)}.biology-lab-notes,.biology-lab-prediction,.biology-lab-explanation{padding:15px}.biology-lab-steps{gap:10px}.biology-lab-steps li{font-size:13px}}@media (prefers-reduced-motion:reduce){.biology-lab-card{transition:none}}