:root{font-family:Arial,Helvetica,sans-serif;color:#172b43;background:#f5f7fa}*{box-sizing:border-box}body{margin:0}header{background:white;border-bottom:3px solid #d9b66f;padding:16px max(20px,calc((100vw - 1100px)/2));display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;gap:12px;align-items:center}.brand small{display:block;color:#68778a;margin-top:3px}.logo{background:#172b43;color:#d9b66f;border-radius:9px;padding:13px;font-weight:bold}.badge{font-size:12px;color:#886625;background:#fff5df;border-radius:20px;padding:7px 10px}main{max-width:1100px;margin:32px auto;padding:0 20px}h1{font-size:27px;margin:0 0 8px}h2{font-size:19px}h3{font-size:15px}p,small{color:#68778a}section#login{max-width:420px;margin:80px auto;background:white;padding:28px;border-radius:14px;border:1px solid #e0e6ed}article{background:white;border:1px solid #e0e6ed;border-radius:13px;padding:22px;margin:18px 0}.top{display:flex;justify-content:space-between;align-items:center;gap:12px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.stats article{margin:0}.stats small{display:block}.stats b{font-size:25px;display:block;margin-top:10px}label{display:block;font-weight:600;font-size:14px;margin:18px 0 8px}input:not([type=checkbox]),textarea{display:block;width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:8px;margin-top:8px;font:inherit}textarea{font-family:monospace}button{background:#172b43;color:white;border:0;border-radius:8px;padding:12px 18px;font-weight:bold;cursor:pointer}button.outline{background:white;color:#172b43;border:1px solid #172b43}.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}.preview{white-space:pre-wrap;overflow-wrap:anywhere;min-height:100px;padding:16px;border:1px solid #e0e6ed;background:#f8fafc;border-radius:8px;font-size:14px}.check{display:flex;align-items:center;gap:9px}.check input{width:17px;height:17px}#error{color:#ad2e2e}#notice{color:#17613c;font-weight:bold}[hidden]{display:none!important}@media(max-width:650px){.split{grid-template-columns:1fr}.stats{gap:7px}.stats article{padding:12px}.stats b{font-size:19px}header{padding:14px}.badge{font-size:10px}.top{align-items:flex-start}main{margin:18px auto}}