:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#15131a;color:#f4f1f7}body{margin:0;min-height:100vh;display:grid;place-items:center}main{max-width:540px;margin:24px;padding:40px;border:1px solid #49404e;border-radius:24px;background:#211d27}small{letter-spacing:.18em;color:#c4a8d1}h1{font-size:32px}p{line-height:1.65}button{background:#d7b6e9;color:#211529;border:0;padding:14px 22px;border-radius:10px;font:inherit;font-weight:650;cursor:pointer}button:focus-visible{outline:3px solid white;outline-offset:4px}.muted{color:#bcb3c4;font-size:14px}