:root{--bg:#07011a;--neon-pink:#ff2fd6;--neon-cyan:#33e6ff;--paper:#f4f0ff}html,body{background:radial-gradient(ellipse at 50% 110%, #3a0a52 0%, var(--bg) 60%);touch-action:none;-webkit-user-select:none;user-select:none;height:100%;margin:0;overflow:hidden}#game{width:100%;height:100%}.dummy-ad{z-index:1000;color:var(--paper);background:#000000d9;flex-direction:column;justify-content:center;align-items:center;gap:16px;font-family:Malgun Gothic,sans-serif;font-size:20px;display:flex;position:fixed;inset:0}.dummy-ad button{border:2px solid var(--neon-cyan);color:var(--paper);font:inherit;cursor:pointer;background:0 0;padding:10px 24px}