:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#14243a;background:#f5f8fa;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,textarea{font:inherit}button{cursor:pointer}a{color:#087f6b}
.hidden{display:none!important}.topbar{height:66px;background:#fff;border-bottom:1px solid #e3eaf0;display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100vw - 960px)/2))}
.brand{text-decoration:none;font-weight:800;font-size:21px;color:#10263c}.back{text-decoration:none;font-weight:650}.layout{max-width:960px;margin:0 auto;padding:32px 20px 70px}
.intro{margin:0 0 25px}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:800;color:#078875}.intro h1{font-size:36px;margin:8px 0}.intro p{color:#536578;margin:0;line-height:1.6}
.panel{background:#fff;border:1px solid #e0e7ee;border-radius:20px;padding:26px;margin:19px 0;box-shadow:0 8px 25px rgba(30,55,75,.045)}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.panel-head>div{display:flex;align-items:center;gap:12px}.panel-head h2{font-size:20px;margin:0}.step{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;color:#fff;background:#118e77;font-size:12px;font-weight:800}
label{display:block;font-size:14px;font-weight:700;margin:12px 0 8px}input,textarea{width:100%;border:1px solid #cbd8e1;border-radius:12px;background:#fbfcfd;color:#14243a;padding:13px 15px;outline:none}input:focus,textarea:focus{border-color:#0c9b80;box-shadow:0 0 0 3px rgba(12,155,128,.12)}textarea{resize:vertical;line-height:1.5}.input-row{display:flex;gap:10px}.input-row input{min-width:0;flex:1}
button{border:0;border-radius:12px;padding:12px 18px;font-weight:750;white-space:nowrap}button:disabled{opacity:.48;cursor:not-allowed}.primary{background:#102035;color:#fff}.primary:hover:not(:disabled){background:#1c3653}.secondary{background:#ebf5f2;color:#087561}.secondary:hover:not(:disabled){background:#d8ebe5}.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}.wide{width:100%;margin-top:8px}
.result,.notice{border-radius:13px;padding:13px 15px;line-height:1.6;margin-top:15px;white-space:pre-wrap;overflow-wrap:anywhere}.notice{background:#ebf5f2;color:#14594f}.notice.subtle{background:#fff7e9;color:#745119;border:1px solid #f2dfb4;margin:0 0 20px}.result.info{background:#edf5fa;color:#244b64}.result.success{background:#e9f7f0;color:#176343}.result.error{background:#fff0ef;color:#aa3c35}.result.warning{background:#fff5e6;color:#8d5f18}.queue{font-size:12px;color:#5e7182;background:#f0f4f7;border-radius:20px;padding:7px 10px}.new-code{margin-top:16px;padding:14px;border:1px solid #b4dbcb;border-radius:12px;background:#f0faf5}.new-code b{display:block;margin-bottom:9px}.guide{border:1px solid #dce7e8;border-radius:12px;padding:12px 15px;margin-bottom:20px;background:#f8fbfa}.guide summary{font-weight:700;cursor:pointer}.guide ol{line-height:1.8;margin-bottom:2px;padding-left:23px}.help{font-size:13px;line-height:1.6;color:#617286;margin:13px 0 0}.challenge{margin-top:15px;border:1px solid #e9c690;background:#fff9ed;border-radius:13px;padding:16px}.challenge p{line-height:1.6;color:#725117}footer{text-align:center;color:#8b9aa8;padding:0 20px 35px;font-size:12px}
@media(max-width:600px){.topbar{height:58px;padding:0 17px}.layout{padding:24px 14px 55px}.intro h1{font-size:30px}.panel{border-radius:16px;padding:18px;margin:14px 0}.panel-head{align-items:flex-start}.panel-head h2{font-size:18px}.input-row{flex-wrap:wrap}.input-row button{width:100%}.queue{max-width:130px;text-align:center}.actions button{flex:1}.guide ol{padding-left:20px}}