.floorplan-panel{padding:22px 0;border-bottom:1px solid var(--line)}.floorplan-panel h2{font-size:21px}.floor-upload{margin:14px 12px 12px 0;cursor:pointer}.floorplan-panel .muted{margin-top:8px}.floorplan-background{position:absolute;max-width:none;pointer-events:none;opacity:.55;z-index:0;object-fit:fill}.plane{z-index:1}.canvas-empty{position:relative;z-index:2;pointer-events:none}.canvas-empty button{pointer-events:auto}.has-floorplan .canvas-empty{background:#ffffffaa;height:auto;padding:12px;position:absolute;bottom:0;left:0;right:0}.has-floorplan .canvas-empty h2{font-size:16px}.has-floorplan .canvas-empty p,.has-floorplan .canvas-empty button{display:none}#floorTools{display:flex;align-items:center;gap:12px;flex-wrap:wrap}#floorTools label{display:flex;align-items:center;gap:8px;font-size:14px}#floorTools input{width:110px}.floor-calibration{width:min(850px,96vw);padding:24px}.floor-calibration h2{font-size:23px}.calibration-area{margin:18px 0;max-height:48vh;overflow:auto;background:white;border:1px solid var(--line)}#calibrationCanvas{display:block;max-width:100%;height:auto;touch-action:manipulation;cursor:crosshair}#calibrationHint{font-size:14px;color:#bb4429}.piece.is-snapped{outline:2px solid #297359;outline-offset:2px}.cloud-save-status{min-height:1.5em}.tracking-note{font-size:13px;color:var(--muted);margin-top:15px}

@media(max-width:720px){.module-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px 8px}.module-card{min-width:0}.module-card .module-picture{height:110px;padding:5px}.module-name{display:block;min-height:60px}.module-name strong{font-size:14px}.added-count{display:block}.module-card p{font-size:13px;overflow-wrap:anywhere}.quantity-control{grid-template-columns:repeat(2,minmax(44px,1fr));margin-top:8px}.quantity-control output{grid-column:1/-1;order:-1;font-size:14px;height:24px}.quantity-control button{min-width:44px;min-height:44px}.material-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.material-button{min-height:48px;min-width:0;flex-basis:auto;padding:8px 3px;font-size:14px}.selection{padding:14px 0}.selection-actions{display:flex;flex-wrap:wrap;gap:8px}.selection-actions button,.selection-actions input,.piece-material select,.canvas-toolbar button,.canvas-footer button{min-height:44px}.floorplan-panel{padding:18px 0}.floor-calibration{padding:16px}.cloud-save-status{font-size:14px}}