*{box-sizing:border-box}html{color-scheme:dark}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 15% 0,#18334a,transparent 55%),#0b111b;color:#e7edf6;font:16px/1.55 system-ui,sans-serif;display:grid;place-items:center;padding:32px 20px}.card{width:min(100%,680px);border:1px solid #304254;border-radius:24px;padding:36px;background:#111c29;box-shadow:0 24px 80px #0005}.brand{display:flex;flex-wrap:wrap;align-items:center;gap:12px;color:#d8f0ff;font-size:21px;font-weight:750;text-decoration:none;margin-bottom:28px;min-height:44px}.brand span{font-size:13px;font-weight:400;color:#a5b7ca}h1{font-size:clamp(28px,5vw,38px);line-height:1.15;margin:10px 0 18px;letter-spacing:-.025em}.eyebrow{font-size:11px;letter-spacing:.16em;color:#79b7d6;font-weight:750}.lead{font-size:17px;color:#c5d3e1}ol{padding-left:24px;color:#adbed0}li{padding:5px 0}button,input{font:inherit;min-height:48px;border-radius:10px;border:1px solid #58758c}button{background:#b9e0ef;color:#102330;font-weight:700;padding:12px 20px;cursor:pointer}button:disabled{opacity:.45;cursor:default}.secondary{background:transparent;color:#d7e6f5}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}input[type=text],input:not([type]){background:#0b1521;color:#e9f4ff;padding:12px;max-width:100%;width:185px;font-family:monospace;font-size:20px;text-transform:uppercase}input[type=checkbox]{width:44px;height:44px;min-height:44px;flex-shrink:0;accent-color:#b9e0ef}.check{display:flex;align-items:center;gap:14px;min-height:48px;margin:20px 0}label{display:block;font-weight:600;margin-top:18px}section{border:1px solid #36536a;background:#0d1824;border-radius:14px;padding:22px;margin:24px 0}output{display:block;font:700 clamp(27px,6vw,40px)/1.5 ui-monospace,monospace;letter-spacing:.06em;color:#d8f3ff;overflow-wrap:anywhere}.hint,footer{font-size:13px;color:#9eafc1}#status{border-left:3px solid #8ec8e2;padding-left:12px;overflow-wrap:anywhere}footer{border-top:1px solid #2c4052;margin-top:24px;padding-top:18px}a{color:#b9e0ef;display:inline-flex;align-items:center;min-height:44px}.warning{border:1px solid #977747;background:#352b1e;color:#f3dbaa;padding:16px;border-radius:12px}dl{margin:12px 0}dt{font-size:12px;color:#a2b3c6}dd{margin:2px 0 14px;overflow-wrap:anywhere}button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid #ecbd66;outline-offset:4px}[hidden]{display:none!important}@media(max-width:520px){body{padding:12px}.card{padding:22px 18px;border-radius:18px}.actions>*{flex:1 1 100%}.actions input{width:100%}section{padding:16px}.brand{margin-bottom:20px}}