.ng-board-wrapper{display:flex;justify-content:center;align-items:center;padding:.25rem}.ng-board{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto 1fr;-webkit-user-select:none;user-select:none;--ng-cell-px: 36px;--ng-clue-px: 20px;--ng-rows: 5;--ng-cols: 5;--ng-row-clue-cols: 1;--ng-col-clue-rows: 1}.ng-corner{grid-column:1;grid-row:1;background:transparent}.ng-col-clues{grid-column:2;grid-row:1;display:grid;grid-template-columns:repeat(var(--ng-cols),var(--ng-cell-px));grid-auto-rows:var(--ng-clue-px);align-self:end}.ng-row-clues{grid-column:1;grid-row:2;display:grid;grid-template-columns:repeat(var(--ng-row-clue-cols),var(--ng-clue-px));grid-auto-rows:var(--ng-cell-px);justify-self:end}.ng-grid{grid-column:2;grid-row:2;display:grid;grid-template-columns:repeat(var(--ng-cols),var(--ng-cell-px));grid-template-rows:repeat(var(--ng-rows),var(--ng-cell-px));border:2.5px solid var(--color-text, #1a1a1a);background:var(--color-surface);box-shadow:0 2px 12px #0000001f;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.ng-clue-cell{display:flex;align-items:center;justify-content:center;font-size:calc(var(--ng-clue-px) * .75);font-weight:600;color:var(--color-text);line-height:1}.ng-clue-cell.ng-clue-empty{color:transparent}.ng-clue-cell.ng-clue-satisfied{color:var(--color-text-muted, #8a8580);opacity:.45;text-decoration:line-through;text-decoration-thickness:1px}.ng-cell{position:relative;display:flex;align-items:center;justify-content:center;border:1px solid rgba(0,0,0,.18);background:var(--color-surface);font-size:calc(var(--ng-cell-px) * .55);font-weight:700;line-height:1;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:background .1s,transform .05s}.ng-cell:hover{background:color-mix(in srgb,var(--color-surface) 85%,var(--color-text) 15%)}.ng-cell:active{transform:scale(.95)}.ng-cell.ng-filled,.ng-cell.ng-filled:hover{background:var(--color-text, #1a1a1a)}.ng-cell.ng-mark{color:var(--color-text-muted, #757575);background:var(--color-surface)}.ng-cell.ng-conflict{background:#e53935;animation:ng-conflict-flash .4s ease-out}@keyframes ng-conflict-flash{0%{background:#ff5252}to{background:#e53935}}.ng-grid.ng-solved{animation:ng-solved-pulse .7s ease-out;border-color:#43a047}@keyframes ng-solved-pulse{0%{box-shadow:0 2px 12px #0000001f}50%{box-shadow:0 0 0 6px #43a0478c,0 2px 12px #0000001f}to{box-shadow:0 2px 12px #0000001f}}.ng-clue-cell.ng-hint-source-line{background:color-mix(in srgb,var(--color-surface) 55%,#ffa000 45%);border-radius:3px;font-weight:700}.ng-cell.ng-hint-target{outline:3px dashed #ffa000;outline-offset:-3px;z-index:3;animation:ng-hint-pulse 1.4s ease-in-out infinite}.ng-cell.ng-hint-target.ng-hint-fill:after{content:"";position:absolute;top:22%;right:22%;bottom:22%;left:22%;background:#00000052;border-radius:2px;pointer-events:none}.ng-cell.ng-hint-target.ng-hint-mark:after{content:"✕";position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:#0006;font-size:calc(var(--ng-cell-px) * .55);font-weight:700;pointer-events:none}.ng-cell.ng-hint-target.ng-hint-error{outline-color:#d32f2f;animation:ng-hint-error-pulse 1.4s ease-in-out infinite}@keyframes ng-hint-pulse{0%,to{outline-color:#ffa000}50%{outline-color:#ffd54f}}@keyframes ng-hint-error-pulse{0%,to{outline-color:#d32f2f}50%{outline-color:#ef5350}}.ng-next-btn[disabled]{opacity:.4;cursor:not-allowed}.ng-next-btn.ng-next-ready{background:color-mix(in srgb,var(--color-surface) 50%,#43a047 50%);border-color:#2e7d32;color:#fff;animation:ng-next-pulse 1.4s ease-in-out infinite}@keyframes ng-next-pulse{0%,to{box-shadow:0 0 #43a0478c}50%{box-shadow:0 0 0 6px #43a04700}}.ng-hint-panel{margin:.75rem auto 0;padding:.65rem .85rem;background:color-mix(in srgb,var(--color-surface) 70%,#ffa000 12%);border-left:3px solid #ffa000;border-radius:4px;width:min(92vw,480px);font-size:.95rem;line-height:1.4}.ng-hint-panel.hidden{display:none}.ng-example{margin-top:1rem;padding-top:.85rem;border-top:1px dashed var(--color-border)}.ng-slide{flex:0 0 100%;scroll-snap-align:start;display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:.25rem 0}.ng-example-board{display:grid;grid-template-columns:22px auto;grid-template-rows:18px auto}.ng-example-corner{grid-column:1;grid-row:1;background:transparent}.ng-example-col-clues{grid-column:2;grid-row:1;display:grid;grid-template-columns:repeat(5,30px);grid-auto-rows:18px;align-self:end}.ng-example-row-clues{grid-column:1;grid-row:2;display:grid;grid-template-columns:22px;grid-auto-rows:30px;justify-self:end}.ng-example-clue{display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:var(--color-text);line-height:1}.ng-example-clue.ng-example-clue-empty{color:transparent}.ng-example-clue.ng-example-clue-satisfied{color:var(--color-text-muted, #8a8580);opacity:.45;text-decoration:line-through;text-decoration-thickness:1px}.ng-example-grid{grid-column:2;grid-row:2;display:grid;grid-template-columns:repeat(5,30px);grid-template-rows:repeat(5,30px);gap:0;border:2.5px solid var(--color-text, #1a1a1a);background:var(--color-surface)}.ng-ex-cell{display:flex;align-items:center;justify-content:center;border:1px solid rgba(0,0,0,.18);font-size:14px;font-weight:700;line-height:1}.ng-ex-cell.ng-ex-filled{background:var(--color-text, #1a1a1a)}.ng-ex-cell.ng-ex-mark{color:var(--color-text-muted, #757575)}.ng-example-caption{font-size:.78rem;color:var(--color-text-muted);text-align:center;line-height:1.4;max-width:280px;margin:0}.ng-slide-nav{position:absolute;top:82px;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:#0000008c;color:#fff;border:none;font-size:18px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:2}.ng-slide-dots{display:flex;justify-content:center;gap:.35rem;margin-top:.35rem}