.paper-intro{margin-bottom:20px}.paper-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.8fr);gap:20px;align-items:start}.paper-layout>.surface{min-width:0}.paper-toolbar,.paper-toolbar>div{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.paper-toolbar{justify-content:space-between}.paper-toolbar h2{margin:0}.paper-board-scroll{overflow:auto;max-width:100%;padding:6px;box-sizing:border-box;overscroll-behavior:contain;margin:12px 0}.paper-board{position:relative;display:grid;grid-template-columns:repeat(var(--paper-cols),var(--paper-cell));border:1px solid #293945;box-sizing:content-box;background:#f8f6ed;isolation:isolate}.site-ui .paper-board .paper-cell{height:var(--paper-cell);width:var(--paper-cell);min-height:0;padding:0;margin:0;border:0;border-right:1px solid #b2b8b8;border-bottom:1px solid #b2b8b8;border-radius:0;background:#f8f6ed;color:#27323d;font-family:var(--mono);font-size:clamp(15px,calc(var(--paper-cell)*.5),25px);line-height:1;box-shadow:none;box-sizing:border-box;cursor:pointer;touch-action:manipulation}.site-ui .paper-board .paper-given{color:#754100;font-weight:700}.site-ui .paper-board .paper-answer{color:#00677a}.site-ui .paper-board .paper-block,.site-ui .paper-board .paper-sea{background:#182630;color:#fff}.site-ui .paper-board .paper-lamp{color:#a25600;background:#fff4c4}.site-ui .paper-board .paper-box-left{border-left:2px solid #293945}.site-ui .paper-board .paper-box-top{border-top:2px solid #293945}.site-ui .paper-board .paper-cell[aria-selected=true]{box-shadow:inset 0 0 0 3px #e6a019}.site-ui .paper-board .paper-cell:focus-visible{outline:3px solid #007b8c;outline-offset:-5px}.paper-lines{position:absolute;inset:0;pointer-events:none;width:100%;height:100%;overflow:visible}.paper-keypad{display:grid;grid-template-columns:repeat(auto-fit,minmax(44px,1fr));gap:6px;margin:12px 0}.paper-keypad button{min-height:44px}.paper-actions{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.paper-actions>*{flex:1 1 120px}.paper-side textarea{width:100%;box-sizing:border-box;font-family:var(--mono);font-size:13px;min-height:160px}.paper-io{margin-top:20px}.paper-io summary{cursor:pointer;font-weight:600;min-height:32px}.paper-io textarea{width:100%;font-family:var(--mono);box-sizing:border-box}.paper-file{position:relative;display:flex;align-items:center;justify-content:center;min-height:44px;box-sizing:border-box;cursor:pointer}.paper-file input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.paper-file:focus-within{outline:2px solid var(--accent)}#paper-value-wrap[hidden],#paper-crosses-wrap[hidden]{display:none!important}#paper-result-note{overflow-wrap:anywhere}.paper-side .status{min-height:44px}
@media(max-width:760px){.paper-layout{grid-template-columns:1fr}.paper-board-surface{padding:16px!important}.paper-intro .r1-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.paper-intro .r1-controls label:first-child{grid-column:1/-1}.paper-intro .r1-controls button{grid-column:1/-1}.paper-toolbar{justify-content:flex-start}.paper-board-scroll{scrollbar-width:thin}.paper-io .paper-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.paper-io .paper-actions>*{min-width:0}.paper-side textarea{font-size:16px}}