*{margin:0;padding:0;box-sizing:border-box}body{background:#000;overflow:hidden;overscroll-behavior:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}#app{width:100%;height:100dvh;display:flex;justify-content:center;align-items:center;overflow:hidden;background:#000}#game-wrapper{width:360px;height:640px;display:flex;flex-direction:column;position:relative;transform-origin:center center;background:#1a1a2e}#game-screen{flex:1;min-height:0;overflow:hidden;display:flex;justify-content:center;align-items:center}#game-screen canvas{display:block;touch-action:none;image-rendering:pixelated;image-rendering:crisp-edges}#hud-area,#controller-area{z-index:10}button:hover{opacity:.85;transform:scale(1.02)}button:active{opacity:.7;transform:scale(.98)}