.ag-game-nBack .nb-wrap{aspect-ratio:1;width:min(100%,380px);position:relative}.ag-game-nBack .nb-grid{border:1px solid var(--hairline);background:var(--bg);border-radius:20px;grid-template-columns:repeat(3,1fr);gap:clamp(6px,1.6vw,10px);width:100%;height:100%;padding:clamp(6px,1.6vw,10px);display:grid}.ag-game-nBack .nb-cell{border:1px solid var(--hairline);background:var(--panel-soft);border-radius:12px;position:relative}.ag-game-nBack .nb-marker{background:var(--cat);box-shadow:0 0 0 3px color-mix(in srgb,var(--cat) 35%,transparent),0 0 36px 2px color-mix(in srgb,var(--cat) 60%,transparent);border-radius:12px;position:absolute;inset:-1px}.ag-game-nBack .nb-marker:after{content:"";background:#0b0f2652;border-radius:4px;position:absolute;inset:32%}.ag-game-nBack .nb-marker[hidden]{display:none}.ag-game-nBack .nb-marker.is-on{animation:.14s ease-out nb-in}@keyframes nb-in{0%{opacity:.4;transform:scale(.85)}to{opacity:1;transform:none}}:root[data-theme=light] .ag-game-nBack .nb-marker{background:color-mix(in srgb,var(--cat) 55%,#0d1433)}.ag-game-nBack .nb-intro{background:color-mix(in srgb,var(--panel) 88%,transparent);text-align:center;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:22px;display:flex;position:absolute;inset:0}.ag-game-nBack .nb-intro[hidden]{display:none}.ag-game-nBack .nb-intro-text{max-width:30ch;color:var(--ink);margin:0;font-weight:650;line-height:1.5}.ag-game-nBack .nb-start{min-width:170px;min-height:52px;font-size:1rem}.ag-game-nBack .nb-lookback{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin:0;font-size:.85rem;font-weight:700}.ag-game-nBack .nb-match{border:2px solid var(--cat);background:color-mix(in srgb,var(--cat) 14%,var(--panel));width:min(100%,380px);min-height:64px;color:var(--ink);font-family:var(--display);cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none;border-radius:16px;justify-content:center;align-items:center;gap:14px;padding:12px 20px;font-size:1.25rem;font-weight:800;transition:background-color .15s,border-color .15s,transform 80ms;display:flex;position:relative}.ag-game-nBack .nb-match:disabled{opacity:.45;cursor:default}.ag-game-nBack .nb-match:active:not(:disabled){transform:scale(.98)}.ag-game-nBack .nb-match:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.ag-game-nBack .nb-fb{font-size:.9rem;font-weight:800}.ag-game-nBack .nb-fb:empty,.ag-game-nBack .nb-match:is(.is-hit,.is-fa,.is-miss) kbd{display:none}.ag-game-nBack .nb-match kbd{border:1px solid var(--line);color:var(--muted);font:inherit;border-radius:6px;padding:3px 8px;font-size:.72rem;font-weight:800}.ag-game-nBack .nb-match.is-hit{background:color-mix(in srgb,#6ee7a8 40%,var(--panel));border-color:#6ee7a8}.ag-game-nBack .nb-match.is-fa{background:color-mix(in srgb,#ff7a90 30%,var(--panel));border-color:#ff7a90}.ag-game-nBack .nb-match.is-miss{background:color-mix(in srgb,#f4c76b 20%,var(--panel));border-style:dashed;border-color:#f4c76b}@media (prefers-reduced-motion:reduce){.ag-game-nBack .nb-marker.is-on{animation:none}.ag-game-nBack .nb-match{transition:none}}@media (hover:none){.ag-game-nBack .nb-match kbd{display:none}}@media (width<=520px){.ag-game-nBack .ag-result-card{padding:22px 16px 18px}.ag-game-nBack .ag-result-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.ag-game-nBack .ag-result-stats dd{font-size:1.05rem}.ag-game-nBack .ag-result-title{font-size:1.45rem}}