.nk{display:grid;gap:10px;justify-items:center;max-width:540px;margin:0 auto}.nk-msg{margin:0;min-height:2.6em;text-align:center;display:grid;place-items:center;font-size:.95rem}.nk-boardbox{position:relative;width:100%;max-width:500px}.nk-board{display:grid;grid-template-columns:repeat(var(--w),1fr);width:100%;border:2px solid var(--cell-strong);border-radius:6px;overflow:hidden;background:var(--cell);container-type:inline-size;touch-action:none;user-select:none;-webkit-user-select:none}.nk-cell{aspect-ratio:1;display:grid;place-items:center;min-width:0;position:relative;cursor:pointer;border-right:1px solid var(--cell-line);border-bottom:1px solid var(--cell-line);background:var(--cell);font-weight:800;font-size:calc(100cqw / var(--w) * .5);color:var(--text);transition:background .12s}.nk-cell.nk-clue{cursor:default;background:var(--cell-alt)}.nk-cell.sea{background:var(--cell-strong)}.nk-cell.dot:after{content:"";width:18%;aspect-ratio:1;border-radius:50%;background:var(--muted)}.nk-cell.nk-pool{background:color-mix(in srgb,var(--danger) 70%,var(--cell-strong))}.nk-cell.nk-bad{background:color-mix(in srgb,var(--danger) 18%,var(--cell))}.nk-cell.nk-cur{outline:3px solid var(--focus);outline-offset:-3px;z-index:1}.nk-won .nk-cell.sea{background:var(--accent)}.nk-won .nk-cell{transition:background .5s}.nk-overlay{position:absolute;inset:0;z-index:5;display:grid;place-items:center;background:color-mix(in srgb,var(--surface) 80%,transparent);font-weight:700;border-radius:6px}.nk-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}