:root{color-scheme:dark;font-family:Inter,ui-rounded,system-ui,sans-serif;background:#0c1324;color:#fff2c8}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 15% 0%,#225071,transparent 34rem),radial-gradient(circle at 90% 15%,#6d2c61,transparent 30rem),linear-gradient(#091120,#03060c)}main{width:min(100vw,1120px);padding:14px;text-align:center}header{display:flex;align-items:end;justify-content:center;gap:24px;flex-wrap:wrap;margin-bottom:10px}.kicker{color:#86f3ff;font-weight:1000;letter-spacing:.18em;text-transform:uppercase}h1{font-size:clamp(2.4rem,7vw,5.5rem);margin:0;line-height:.8;text-shadow:0 8px 0 #0008}header p{margin:.2rem 0;color:#dcecff;font-weight:800}canvas{width:min(100%,1080px);height:auto;border:5px solid #ffe58f;border-radius:28px;background:#18304b;box-shadow:0 30px 100px #000c,0 0 0 1px #fff5 inset;touch-action:none}.help{margin:.7rem auto 0;color:#cfe2ff;font-weight:850}@media(max-width:720px){main{padding:6px}.help{font-size:.78rem}}