*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#000}body{overscroll-behavior:none;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}#app{position:relative;width:100vw;height:100vh;height:100dvh}#game-canvas{display:block;width:100%;height:100%}#preloader{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#000;z-index:100;transition:opacity .3s ease}#preloader.is-hidden{opacity:0;pointer-events:none}.preloader__spinner{width:48px;height:48px;border:4px solid rgba(255,255,255,.15);border-top-color:#ffffffe6;border-radius:50%;animation:preloader-spin .9s linear infinite}@keyframes preloader-spin{to{transform:rotate(360deg)}}