*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden;background:#1a0a0a;font-family:Segoe UI,sans-serif;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}.app-container{width:100%;height:100%;max-width:430px;margin:0 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}@supports (padding-top: env(safe-area-inset-top)){.app-container{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}}@media (orientation: landscape) and (max-height: 500px){.app-container:after{content:"📱 세로 화면으로 플레이해주세요";position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:#000000f2;color:#fc0;font-size:18px;font-family:monospace;text-align:center;padding:20px}}button:active{transform:scale(.95);opacity:.9}