.runner-game{gap:12px}
.runner-board{position:relative;width:min(100%,480px)}
.runner-board canvas{display:block;width:100%;height:auto;border:1px solid #ffffff40;border-radius:18px;touch-action:none;background:#111d36}
.runner-overlay{position:absolute;inset:1px;display:grid;place-content:center;justify-items:center;gap:12px;padding:20px;border-radius:17px;background:#0c1436bb;text-align:center;color:white}
.runner-overlay[hidden]{display:none}
.runner-overlay strong{font-size:clamp(1.5rem,6vw,2.3rem);color:#8cfdc5}
.runner-overlay p{max-width:290px;margin:0;line-height:1.45}
.runner-controls{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;width:min(100%,480px)}
.runner-controls button{min-height:47px;padding:6px;border:1px solid #ffffff42;border-radius:12px;background:#304363;color:white;font:inherit;font-weight:850;cursor:pointer;touch-action:manipulation}
.runner-controls button:active{background:#5d78a4}