.pt-cell{width:44px;height:44px}.pt-row{display:flex;gap:8px;margin-bottom:20px}.pt-number{text-align:center;font-size:22px;line-height:44px}.pt-blank{border:2px dashed #9ca3af}.pt-answer{border:2px solid #000;font-weight:700}.pt-defs{position:absolute;width:0;height:0}