:root{color:#f5f7ff;background:#10131c;font-family:system-ui,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;overflow:auto;background:radial-gradient(circle at top,#202947,#10131c 60%)}#app{width:min(100vw,1450px);margin:0 auto;border:1px solid #323c59;box-shadow:0 24px 80px #00000059}canvas{display:block;width:100%;height:auto}