body{margin:0;background:#111;overflow:hidden}#gameCanvas{display:block;margin:0 auto;background:#222}#mobile-controls{position:absolute;left:0;right:0;bottom:0;width:100vw;height:30vh;pointer-events:none;z-index:10}#mobile-vertical{position:absolute;left:2vw;bottom:2vh;display:flex;flex-direction:column;gap:10px}#mobile-horizontal{position:absolute;right:2vw;bottom:2vh;display:flex;flex-direction:row;gap:10px}.mobile-btn{display:flex;align-items:center;justify-content:center;pointer-events:auto;background:#20202014;color:#fff;border:2px solid #888;border-radius:50%;font-size:1.7em;font-family:monospace,Courier New,Courier;font-weight:700;margin:0;padding:0;min-width:44px;min-height:44px;width:48px;height:48px;-webkit-user-select:none;user-select:none;touch-action:none;transition:background .2s,opacity .2s;opacity:.18}.mobile-btn:active{background:#444;opacity:1}#mobile-actions{position:absolute;left:50%;bottom:12vh;transform:translate(-50%);display:flex;flex-direction:row;gap:18px}.mobile-action-btn{border:2px solid #fff;border-radius:12px;background:#2020202e;color:#fff;font-size:1.2em;font-family:inherit;font-weight:700;padding:10px 28px;margin:0 auto;display:block;opacity:.92;box-shadow:0 2px 8px #0000001f;text-align:center;min-width:80px;min-height:44px;-webkit-user-select:none;user-select:none;touch-action:none}@media (min-width: 1400px){#mobile-controls{display:none}.mobile-action-btn{display:none!important}}