/* 99 Club Studio · v1.32.1 layout corrections
   Crossgrid operator hints + nonogram preview frame. */
.tt99-equation-crossgrid>span.operator.blank{position:relative}
.tt99-equation-crossgrid>span.operator.blank::after{
  content:"?";
  position:absolute;
  top:7%;
  right:9%;
  color:#73868a;
  font-size:clamp(5px,.48vw,8px);
  font-weight:900;
  line-height:1;
  pointer-events:none;
}

.tt99-nonogram-grid .pixel.ng-frame-top{border-top:2px solid #536d72}
.tt99-nonogram-grid .pixel.ng-frame-right{border-right:2px solid #536d72}
.tt99-nonogram-grid .pixel.ng-frame-bottom{border-bottom:2px solid #536d72}
.tt99-nonogram-grid .pixel.ng-frame-left{border-left:2px solid #536d72}

@media print{
  .tt99-equation-crossgrid>span.operator.blank::after{font-size:5pt;top:5%;right:7%;color:#555}
  .tt99-nonogram-grid .pixel.ng-frame-top{border-top:1.4pt solid #4f676c!important}
  .tt99-nonogram-grid .pixel.ng-frame-right{border-right:1.4pt solid #4f676c!important}
  .tt99-nonogram-grid .pixel.ng-frame-bottom{border-bottom:1.4pt solid #4f676c!important}
  .tt99-nonogram-grid .pixel.ng-frame-left{border-left:1.4pt solid #4f676c!important}
}