.game{background:var(--bg-2);border:1px solid var(--line);color:var(--ink);border-radius:14px;margin:14px 0;padding:16px}.game-won{border-color:color-mix(in srgb, var(--mb-accent,var(--accent)) 45%, var(--line))}.game .math-inline,.game .math-display{font-family:var(--font-sans)}.game-goal{font-size:calc(14px * var(--age-scale,1));background:color-mix(in srgb, var(--mb-accent,var(--accent)) 9%, transparent);border:1px solid color-mix(in srgb, var(--mb-accent,var(--accent)) 22%, transparent);border-radius:10px;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;padding:9px 12px;font-weight:600;line-height:1.4;display:flex}.game-goal-tag{letter-spacing:.02em;color:#fff;background:var(--mb-accent,linear-gradient(135deg, var(--accent-from), var(--accent-to)));border-radius:999px;flex:none;padding:3px 9px;font-size:12px;font-weight:800}.game-goal-text{color:var(--ink)}.game-body{display:block}.game-fb{border-radius:10px;margin-top:12px;padding:9px 12px;font-size:14px;line-height:1.5}.game-fb-try{color:var(--ink);background:#b07d0a1f}.game-fb-win{color:var(--ink);background:#2f9e7524}.game-win{background:color-mix(in srgb, var(--mb-accent,var(--accent)) 12%, transparent);border:1px solid color-mix(in srgb, var(--mb-accent,var(--accent)) 30%, transparent);border-radius:12px;flex-wrap:wrap;align-items:center;gap:12px;margin-top:14px;padding:11px 14px;display:flex}.game-win-text{font-weight:800;font-size:calc(15px * var(--age-scale,1));color:var(--ink)}.game-again{margin-left:auto}.game-pips{align-items:center;gap:5px;margin-left:auto;display:inline-flex}.gpip{border:1.5px solid color-mix(in srgb, var(--mb-accent,var(--accent)) 45%, var(--line));background:0 0;border-radius:50%;width:10px;height:10px}.gpip.on{background:var(--mb-accent,var(--accent));border-color:#0000}.gtokens{flex-wrap:wrap;gap:8px;margin:10px 0;display:flex}.gtoken{font-size:calc(15px * var(--age-scale,1));font-variant-numeric:tabular-nums;color:var(--ink);background:var(--card);border:1.5px solid var(--line);cursor:pointer;border-radius:10px;min-width:40px;padding:9px 14px;font-weight:700;transition:transform 80ms,border-color .12s,background .12s}.gtoken:hover:not(:disabled){border-color:var(--mb-accent,var(--accent));transform:translateY(-1px)}.gtoken:disabled{cursor:default}.gtoken.on{color:#fff;background:var(--mb-accent,var(--accent));border-color:#0000}.gtoken.right{color:#1c7a57;background:#2f9e752e;border-color:#2f9e75}.gtoken.wrong{color:#a23a27;background:#d94f3724;border-color:#d94f37}.gtoken.used{opacity:.4}.gcards{grid-template-columns:repeat(auto-fill,minmax(86px,1fr));gap:8px;margin:8px 0;display:grid}.gcard{text-align:center;min-height:56px;font-size:calc(14px * var(--age-scale,1));color:var(--ink);background:var(--card);border:1.5px solid var(--line);cursor:pointer;border-radius:12px;place-items:center;padding:8px;font-weight:700;transition:transform 80ms,border-color .12s;display:grid}.gcard:hover:not(:disabled){border-color:var(--mb-accent,var(--accent));transform:translateY(-1px)}.gcard.on{border-color:var(--mb-accent,var(--accent));box-shadow:0 0 0 2px color-mix(in srgb, var(--mb-accent,var(--accent)) 30%, transparent)}.gcard.right{color:#1c7a57;cursor:default;background:#2f9e7529;border-color:#2f9e75}.gcard.wrong{border-color:#d94f37}.gcard.gone{opacity:0;pointer-events:none}.gbins{gap:10px;margin:10px 0;display:grid}.gbin{border:1.5px dashed color-mix(in srgb, var(--mb-accent,var(--accent)) 35%, var(--line));border-radius:12px;min-height:72px;padding:10px}.gbin-label{color:var(--muted);margin-bottom:6px;font-size:13px;font-weight:800}.gbin-items{flex-direction:column;align-items:flex-start;gap:6px;display:flex}.game .wbtns{margin-top:10px}.game-burst{flex:none;width:22px;height:22px;display:inline-block;position:relative}.gburst-bit{color:var(--mb-accent,var(--accent));animation:.7s ease-out forwards gburst;animation-delay:calc(var(--i) * 12ms);font-size:13px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes gburst{0%{opacity:0;transform:translate(-50%,-50%)rotate(0)}30%{opacity:1}to{opacity:0;transform:translate(calc(-50% + cos(calc(var(--i) / var(--n) * 360deg)) * 26px), calc(-50% + sin(calc(var(--i) / var(--n) * 360deg)) * 26px)) rotate(180deg)}}@media (prefers-reduced-motion:reduce){.gburst-bit{opacity:1;animation:none}.gtoken,.gcard{transition:none}}.arc-spark-bit{fill:var(--mb-accent,var(--accent));animation:.55s ease-out forwards arcspark;animation-delay:calc(var(--i) * 10ms);transform-box:fill-box;transform-origin:50%;font-size:13px}@keyframes arcspark{0%{opacity:0;transform:translate(0)rotate(0)}25%{opacity:1}to{opacity:0;transform:translate(calc(cos(calc(var(--i) / var(--n) * 360deg)) * var(--r,22px)), calc(sin(calc(var(--i) / var(--n) * 360deg)) * var(--r,22px))) rotate(160deg)}}.arc-drag{cursor:grab;touch-action:none}.arc-drag.dragging{cursor:grabbing}.arc-drag-lift{filter:drop-shadow(0 3px 5px #0000002e)}.arc-land-hit,.arc-land-miss{transform-box:fill-box;transform-origin:50%}.arc-land-hit{animation:.4s cubic-bezier(.34,1.56,.64,1) arcLandHit}@keyframes arcLandHit{0%{transform:scale(1)}35%{transform:scale(1.35,.7)}65%{transform:scale(.9,1.12)}to{transform:scale(1)}}.arc-land-miss{animation:.36s arcLandMiss}@keyframes arcLandMiss{0%,to{transform:translate(0)}20%{transform:translate(-5px)}40%{transform:translate(4px)}60%{transform:translate(-3px)}80%{transform:translate(2px)}}.arc-ghost{z-index:60;pointer-events:none;filter:drop-shadow(0 6px 10px #00000038);position:fixed;transform:translate(-50%,-50%)rotate(-4deg)scale(1.08)}.arc-bin-hover{background:color-mix(in srgb, var(--mb-accent,var(--accent)) 10%, transparent);border-color:var(--mb-accent,var(--accent))!important}.arc-ball{filter:drop-shadow(0 2px 3px #00000040)}.arc-slider input[type=range]{transition:filter .12s}.arc-slider input[type=range]::-webkit-slider-thumb{transition:transform .1s cubic-bezier(.34,1.56,.64,1)}.arc-slider-held input[type=range]{filter:drop-shadow(0 3px 5px #0000002e)}.arc-slider-held input[type=range]::-webkit-slider-thumb{transform:scale(1.25)}.arc-slider-held input[type=range]::-moz-range-thumb{transform:scale(1.25)}@media (prefers-reduced-motion:reduce){.arc-spark-bit{opacity:0;animation:none}.arc-land-hit,.arc-land-miss{animation:none}.arc-ghost{transform:translate(-50%,-50%)}.arc-slider input[type=range]::-webkit-slider-thumb{transition:none;transform:none}.arc-slider-held input[type=range]::-webkit-slider-thumb{transition:none;transform:none}}@media (pointer:coarse){.gtoken{min-width:44px;min-height:44px;font-size:calc(16px * var(--age-scale,1));padding:13px 16px}}