.measurement-layout{display:grid;grid-template-columns:1.45fr 1fr;gap:16px}.measurement-layout>section{min-width:0;border:1px solid #365363;background:#0b1c28;border-radius:8px;overflow:hidden}.measurement-field{position:relative;background:#08131c}#measurement-image{display:block;width:100%;height:auto;aspect-ratio:1.6;touch-action:none;cursor:crosshair}.image-mode{position:absolute;top:12px;left:14px;font:12px/1.4 Consolas,monospace;color:#b9d3da;background:#07131edb;padding:5px 8px;pointer-events:none}.endpoint-toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:12px;border-top:1px solid #345261}.endpoint-toolbar button{font-size:14px}.endpoint-toolbar [aria-pressed=true]{background:#a8e6d4;color:#09252a}.endpoint-toolbar span{font-size:12px;color:#b6cdd5}.coordinate-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:0 14px 14px}.coordinate-grid label{font-size:14px;color:#bad1d9;min-width:0}.coordinate-grid input,.calibration-action input{width:100%;min-width:0;background:#091d29;border:1px solid #557382;border-radius:4px;color:#e6f4f6;font:16px/1.4 Consolas,monospace;padding:9px;margin-top:5px}#calibration-scene{height:285px;position:relative;background:radial-gradient(ellipse at center,#223b4c,#091a27)}#calibration-scene canvas{width:100%;height:100%;display:block;touch-action:none}.measurement-controls{display:grid;grid-template-columns:.8fr 1.1fr 1.1fr;gap:20px;margin-top:16px;padding:20px;border:1px solid #365360;background:#102632;border-radius:8px}.measurement-controls>label{font-size:14px;display:flex;flex-wrap:wrap;gap:8px;min-width:0}.measurement-controls output{margin-left:auto;font-family:Consolas,monospace;color:#b0ead6}.measurement-controls small{font-size:12px;color:#b1c9d3}.measurement-controls input[type=range]{height:32px}.calibration-action{grid-column:1/-1;border-top:1px solid #395763;padding-top:16px;display:flex;align-items:end;gap:15px}.calibration-action label{font-size:14px;max-width:210px}.calibration-action button{min-height:43px}.measurement-controls>button{grid-column:1/-1}.measurement-readouts{display:grid;grid-template-columns:1fr 1.2fr 1fr;margin:23px 0 15px;gap:15px}.measurement-readouts>div{display:grid;gap:8px;border-left:2px solid #507483;padding-left:14px}.measurement-readouts span{font-size:14px;color:#aec8d2}.measurement-readouts strong{font:24px/1.4 Consolas,monospace;color:#b9ecda;overflow-wrap:anywhere}.measurement-readouts small{font-size:12px;color:#b5ccd4}.calibration-status{background:#1b2e36;border-left:3px solid #e2c082;color:#e6cf9d;padding:12px 15px;font-size:14px}.calibration-status.good{background:#14352f;border-color:#98d9bd;color:#bdebd4}.mistake-panel,.measurement-note{padding:24px;border:1px solid #506575;background:#132934;border-radius:8px;margin:20px 0}.mistake-panel p,.measurement-note p{font-size:14px;color:#b6ced9}.mistake-values{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:20px 0}.mistake-values span{font-size:14px;color:#b8d1db}.mistake-values strong{display:block;font:36px/1.5 Consolas,monospace;color:#edc68e}.mistake-values>div:last-child strong{color:#b4ebd1}.view-title span{font-size:12px}.bench-view .part-note{min-height:0;font-size:14px}.bench-view .camera-controls button{font-size:14px}#step-feedback{font-size:14px}.question-grid legend{font-size:16px}.model-body h2{margin-top:24px;font-size:21px}.review .score{font-size:30px}.experiment{min-width:0}.view-title{flex-wrap:wrap}.measurement-note h2{font-size:21px}.measurement-layout .scene-loading{font-size:14px}.unit-hint{font:14px/1.6 Consolas,monospace;color:#e5cb9d!important}
@media(max-width:1250px){.lesson-layout{grid-template-columns:235px minmax(0,1fr)}.measurement-layout{grid-template-columns:1fr}.bench-view{display:grid;grid-template-columns:1.3fr 1fr}.bench-view .view-title{grid-column:1/-1}#calibration-scene{grid-row:2/4;height:220px}.bench-view .camera-controls{border:0;align-content:start}.measurement-controls{grid-template-columns:1fr 1fr}.measurement-controls>label:first-child{grid-column:1/-1;display:flex;align-items:center}.measurement-controls>label:first-child select{width:140px;margin-left:15px}.measurement-readouts{grid-template-columns:1fr 1fr}.measurement-readouts>div:last-child{grid-column:1/-1}}
@media(max-width:900px){.lesson-layout{grid-template-columns:1fr}.jana-panel{position:static}.jana-panel>.primary{width:auto;min-width:200px}.measurement-layout{grid-template-columns:1.4fr 1fr}.bench-view{display:block}#calibration-scene{height:230px}.measurement-readouts{grid-template-columns:1fr 1fr 1fr}.measurement-readouts>div:last-child{grid-column:auto}.coordinate-grid{gap:7px}.measurement-controls{grid-template-columns:1fr 1fr 1fr}.measurement-controls>label:first-child{display:block;grid-column:auto}.measurement-controls>label:first-child select{width:100%;margin:8px 0 0}}
@media(max-width:620px){main{padding:20px 14px}.measurement-layout{grid-template-columns:1fr}.bench-view{display:grid;grid-template-columns:1fr 1fr}#calibration-scene{height:230px}.coordinate-grid{grid-template-columns:1fr 1fr;gap:12px}.measurement-controls{grid-template-columns:1fr 1fr;padding:16px}.measurement-controls>label:first-child{grid-column:1/-1}.measurement-readouts{grid-template-columns:1fr 1fr}.measurement-readouts>div:last-child{grid-column:1/-1}.calibration-action{flex-wrap:wrap}.calibration-action>*{flex:1 1 100%;max-width:none!important}.mistake-values{gap:12px}.mistake-values strong{font-size:26px}.steps button{font-size:13px}.bench-view .camera-controls{gap:6px}.measurement-readouts strong{font-size:22px}.endpoint-toolbar span{font-size:14px}.measurement-controls>label{font-size:14px}}
@media(min-width:621px) and (max-width:900px){.lesson-heading{flex-direction:row;align-items:center}.lesson-heading h1{font-size:30px}.lesson-heading .path-label{width:180px;min-width:180px}.jana-panel{padding:16px}.jana-panel .eyebrow{margin-bottom:6px}.jana-panel h2{font-size:23px;margin-bottom:8px}.jana-panel #step-copy{font-size:14px;margin:8px 0}.jana-panel #step-content .evidence{font-size:14px;margin:10px 0;padding:8px}.jana-panel .local-note{margin-top:8px}.steps button{padding:10px 8px}}