:root{color-scheme:dark;font-family:system-ui,"Malgun Gothic",sans-serif;background:#0b1020;color:#edf1fb;font-size:16px}body{margin:0}main{max-width:760px;margin:8vh auto;padding:32px;background:#141d32;border:1px solid #29364e;border-radius:20px}header{margin-bottom:36px}.eyebrow{letter-spacing:.14em;font-size:.78rem;color:#9eaed0}h1{font-size:2.6rem;line-height:1.15;margin:12px 0}h2{font-size:1.15rem}p{color:#c1cce0;line-height:1.8}a{color:#86c0ff}button,.button{display:inline-block;background:#5b89ff;color:#fff;border:0;border-radius:8px;font:inherit;padding:12px 22px;cursor:pointer;text-decoration:none}button.secondary,.button.secondary{background:#2b3853}button.danger{background:#823945}button:disabled,.button.disabled{cursor:default;opacity:.45}.row{display:flex;gap:12px;flex-wrap:wrap}label{display:block;margin:18px 0;line-height:1.7}input[type=number]{width:84px;background:#0b1020;color:#fff;border:1px solid #415370;border-radius:6px;font:inherit;padding:8px;margin-left:8px}input[type=checkbox]{margin-right:8px}section{border-top:1px solid #29364e;margin-top:28px;padding-top:20px}.status{padding:12px 16px;background:#0b1020;border-radius:8px}.notice{padding:12px 16px;background:#253454;border-radius:8px}footer{font-size:.85rem;color:#8c9bbc;margin-top:32px}@media(max-width:800px){main{margin:20px 14px;padding:24px}h1{font-size:2.1rem}}