.merge-game{max-width:42rem;margin-inline:auto}.merge-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:var(--space-3);margin-block:var(--space-4)}.merge-score{display:grid;min-width:5.5rem;border-radius:var(--radius-md);background:var(--text);color:var(--surface);padding:.45rem .8rem;text-align:center}.merge-score span{font-size:var(--text-sm);font-weight:800}.merge-score strong{font-family:var(--font-display);font-size:var(--text-xl)}.merge-help,.merge-live{text-align:center}.merge-help{color:var(--text-muted)}.merge-live{min-height:1.6em;font-weight:800}.merge-board{display:grid;grid-template-columns:repeat(4,1fr);width:min(100%,32rem);aspect-ratio:1;margin:var(--space-4) auto;gap:clamp(.35rem,1.6vw,.75rem);border-radius:var(--radius-xl);background:#8c7968;padding:clamp(.35rem,1.6vw,.75rem);box-shadow:var(--shadow-lg);touch-action:none}.merge-cell{display:grid;min-width:0;place-items:center;border-radius:clamp(.35rem,1.4vw,.75rem);background:#b8aa9c;color:#302a25;font:900 clamp(1.25rem,8vw,3.4rem)/1 var(--font-display);box-shadow:inset 0 -.2rem rgb(0 0 0/.12)}.merge-cell--2{background:#fff5dd}.merge-cell--4{background:#ffe8b0}.merge-cell--8{background:#ffb45d;color:#29180a}.merge-cell--16{background:#ff8b4d;color:#fff}.merge-cell--32{background:#ff6b59;color:#fff}.merge-cell--64{background:#e94545;color:#fff}.merge-cell--128{background:#ffe16a;font-size:clamp(1.05rem,7vw,3rem)}.merge-cell--256{background:#ffd447;font-size:clamp(1.05rem,7vw,3rem)}.merge-cell--512{background:#f5bd28;font-size:clamp(1.05rem,7vw,3rem)}.merge-cell--1024,.merge-cell--2048{background:#714cff;color:#fff;font-size:clamp(.85rem,6vw,2.5rem)}.merge-pad{display:grid;grid-template-columns:repeat(3,3.25rem);justify-content:center;gap:.4rem;margin-block:var(--space-4)}.merge-pad button{min-width:3.25rem;min-height:3.25rem;border:0;border-radius:var(--radius-md);background:var(--game-accent);box-shadow:0 .25rem 0 color-mix(in srgb,var(--game-accent) 65%,#000);color:#fff;font-size:1.5rem;font-weight:900}.merge-pad button:first-child{grid-column:2}.merge-pad button:nth-child(2){grid-column:1}.merge-pad button:nth-child(3){grid-column:2}.merge-pad button:nth-child(4){grid-column:3}.merge-stats{margin-top:var(--space-5);padding:var(--space-4);text-align:center}.merge-stats h2{font-size:var(--text-xl)}.merge-dialog{max-width:min(92vw,32rem);border:0;border-radius:var(--radius-xl);background:var(--surface);color:var(--text);box-shadow:var(--shadow-xl);padding:var(--space-6);text-align:center}.merge-dialog::backdrop{background:rgb(16 11 28/.72)}@media(prefers-reduced-motion:no-preference){.merge-cell span{animation:merge-pop .16s ease-out}@keyframes merge-pop{from{transform:scale(.72)}to{transform:scale(1)}}}@media(forced-colors:active){.merge-cell{border:1px solid CanvasText}.merge-board{border:3px solid CanvasText}}