*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;overflow:hidden;background:#000;overscroll-behavior:none;-webkit-text-size-adjust:100%;touch-action:none}#app{width:100vw;height:100vh;position:relative}#game-canvas{display:block;cursor:crosshair;touch-action:none;-webkit-touch-callout:none}#hud-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}#hud-container>*{pointer-events:auto}button{outline:none;min-width:44px;min-height:44px;touch-action:manipulation}button:active{transform:scale(.95)}@media(hover:none)and (pointer:coarse){button{min-width:48px;min-height:48px;padding:12px 16px}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#1a1a1a}::-webkit-scrollbar-thumb{background:#555;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#777}