.j3d-heightmap .heightmap-widget{display:grid;grid-template-columns:minmax(310px,390px) minmax(0,1fr);gap:20px;margin:20px 0 30px;padding:20px;background:#fff;border:1px solid #dfe3e8;border-radius:8px}.hm-controls{min-width:0}.hm-upload{display:block;padding:18px;border:2px dashed #97a8bb;border-radius:7px;text-align:center;cursor:pointer;font-weight:600}.hm-upload span{display:block;font-size:13px;font-weight:400;color:#667085;margin-top:5px}.hm-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}.hm-fields label{display:flex;flex-direction:column;gap:5px;font-size:14px}.hm-fields input[type=number]{width:100%;padding:8px;border:1px solid #cbd2da;border-radius:4px}.hm-fields input[type=range]{width:100%;accent-color:#337ab7}.hm-check{display:flex;gap:8px;align-items:center}.hm-scale{display:flex;align-items:center;gap:8px;margin:14px 0;font-size:12px}.hm-scale i{height:12px;flex:1;background:linear-gradient(90deg,#000,#fff);border:1px solid #ccc}.hm-preview{height:430px;min-width:0;overflow:hidden;border-radius:6px;background:#f2f4f7}.hm-preview canvas{width:100%;height:100%;display:block;touch-action:none}.hm-controls [role=status],#hm-error{min-height:24px;margin:12px 0}.hm-controls [role=alert]{color:#a12622}.hm-controls button,.hm-controls a{margin:4px 8px 4px 0}.hm-controls [hidden]{display:none!important}@media(max-width:767px){.j3d-heightmap .heightmap-widget{grid-template-columns:1fr;padding:14px;gap:14px}.hm-preview{height:320px}.hm-fields{gap:10px}}
.hm-mode-note{padding:9px 11px;margin:12px 0;background:#f2f6fa;border-left:3px solid #4b91cf;color:#475467;font-size:13px}