*{margin:0;padding:0;box-sizing:border-box}body{margin:0;padding:0;display:flex;justify-content:center;align-items:center;width:100vw;height:100vh;background:linear-gradient(135deg,#0f0c29,#302b63,#24243e);overflow:hidden;font-family:Arial,sans-serif}body:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:repeating-linear-gradient(45deg,transparent,transparent 35px,rgba(255,255,255,.02) 35px,rgba(255,255,255,.02) 70px);pointer-events:none}canvas{display:block;max-width:100%;max-height:100%}#app{position:relative;width:100%;height:100%;display:flex;justify-content:center;align-items:center}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.game-message{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000e6;color:#fff;padding:20px 40px;border-radius:10px;font-size:24px;z-index:1000;animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,-50%) scale(.8)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}