*{box-sizing:border-box}html,body{margin:0;height:100%}.game{position:fixed;top:0;left:0;width:100vw;height:100vh;touch-action:none}.ui{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;font-family:Helvetica,Arial,sans-serif;font-size:12px;color:#fff;pointer-events:none;-webkit-user-select:none;user-select:none}.developer-link{position:fixed;bottom:10px;right:10px;background:#0009;color:#fff;padding:5px 10px;border-radius:6px;font-size:14px;text-decoration:none;transition:background .2s ease;z-index:9999}.developer-link:hover{background:#000c}.debug-element{display:flex;align-items:center;gap:6px;position:relative}.debug-note{color:#fff;padding:4px 8px;font-size:10px;max-width:300px;font-family:sans-serif;white-space:nowrap}.ui a{pointer-events:auto}.ui .mobile-warning{display:none;align-items:center;justify-content:center;position:absolute;top:0;left:0;width:100%;height:200px}@media (orientation: portrait){.ui .mobile-warning{display:flex}}.ui .controls{display:flex;justify-content:space-between;position:absolute;bottom:0;left:0;width:100%;padding:8px}.ui a{color:inherit}.ui .group{display:flex}.ui .element{display:flex;align-items:center;margin-right:10px}.ui .keys{--key-size: 15px;--key-margin: 2px;font-size:0;margin-right:2px;white-space:nowrap}.ui .keys.is-arrows{position:relative}.ui .keys.is-arrows .key:last-child{position:absolute;bottom:calc(100% + var(--key-margin));left:calc(var(--key-size) + var(--key-margin))}.ui .key{display:inline-flex;align-items:center;justify-content:center;width:var(--key-size);height:var(--key-size);margin-right:var(--key-margin);border:1px solid #ffffff;font-size:9px}