#spread-stage{position:relative;max-width:100%;line-height:0;cursor:col-resize;touch-action:pan-y}#spread-stage canvas{display:block;width:100%;max-height:none}#split-line{position:absolute;top:0;bottom:0;width:3px;background:#c75034;box-shadow:0 0 0 1px #fff;pointer-events:none}.split-results{display:flex;gap:16px;justify-content:center;align-items:start;margin:18px 0}.split-results figure{flex:1;min-width:0;margin:0;text-align:center}.split-results canvas{width:100%;max-height:330px;object-fit:contain;border:1px solid #bdccc2;background:#fff}.split-results figcaption{font-size:14px;margin-bottom:8px}.controls output{float:right}#tool>.card{min-width:0}.preview-heading{flex-wrap:wrap}