:root{color-scheme:dark;font-family:Arial,sans-serif;background:#090b10;color:#edf2f7}body{margin:0;min-height:100vh;background:radial-gradient(circle at top right,#172033,#090b10 55%)}main{max-width:820px;margin:0 auto;padding:12vh 24px}.eyebrow{letter-spacing:.18em;color:#ff2b9a;font-size:.75rem}h1{font-size:clamp(2rem,6vw,4.5rem);line-height:1;margin:.4em 0}.panel{border:1px solid #2c3b50;background:#101722;padding:24px;margin-top:40px}button{background:#ff2b9a;color:#090b10;border:0;padding:12px 18px;font-weight:700;cursor:pointer}pre{white-space:pre-wrap;min-height:80px;color:#9fe870}