.board-wrap{position:relative;width:min(100%,480px);margin:auto;overflow:hidden;border:1px solid #234253;border-radius:18px;background:#07131e}canvas{display:block;width:100%;height:auto;touch-action:none;outline-offset:-4px}.game-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:24px;background:rgba(4,13,24,.78);backdrop-filter:blur(3px);pointer-events:none}.game-overlay[hidden]{display:none}.game-overlay strong{font-size:clamp(23px,6vw,36px);color:#e1fffa}.game-overlay span{color:#b1ccdc;font-size:14px;line-height:1.7}.touch-controls{display:grid!important;grid-template-columns:repeat(3,58px);gap:8px;justify-content:center;margin:22px auto 10px}.touch-controls button{min-height:48px;padding:8px;font-size:22px;touch-action:manipulation}.up{grid-column:2}.left{grid-column:1;grid-row:2}.down{grid-column:2;grid-row:2}.right{grid-column:3;grid-row:2}.instructions{font-size:13px;color:#97aebf;line-height:1.85;margin:18px 0 0}.control-row{flex-wrap:wrap}button:disabled{opacity:.42;cursor:default}button{touch-action:manipulation}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}