*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:#000;color:#fff;font-family:system-ui,sans-serif;touch-action:none;-webkit-user-select:none;user-select:none}#game{display:block;width:100vw;height:100vh;height:100dvh}body.rotated #game{position:fixed;top:0;left:0;width:100vh;width:100dvh;height:100vw;height:100dvw;transform-origin:top left;transform:rotate(90deg) translateY(-100%)}body.rotated #install-btn,body.in-game #install-btn{display:none}#install-btn{position:fixed;right:16px;bottom:16px;padding:12px 20px;border:none;border-radius:999px;background:#e94560;color:#fff;font-size:16px;font-weight:600;cursor:pointer;box-shadow:0 4px 16px #0006}