:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#eaf1f3;background:#0b1117;font-size:16px;--muted:#a3b1bb;--accent:#80e0ce;--line:#2c3c48}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 10% 0%,#163632 0,transparent 48%)}header{max-width:1080px;margin:auto;padding:32px 28px;display:flex;justify-content:space-between;align-items:center;gap:16px}.brand{text-decoration:none;color:var(--accent);font-size:30px;font-weight:650;letter-spacing:-1px}.brand span{color:#f0f6f5}#identity{font-size:14px;color:var(--muted);text-align:right}main{max-width:1000px;margin:20px auto;padding:0 28px;min-height:65vh}h1{font-size:clamp(30px,5vw,46px);font-weight:550;letter-spacing:-1.3px;margin:0 0 14px}h2{font-size:23px;font-weight:550;margin:0 0 12px}h3{font-size:18px;margin:0 0 8px}p{color:var(--muted);line-height:1.6;margin:0 0 22px}.eyebrow{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:14px}.narrow{max-width:480px;margin:50px auto}.card{background:#14202acc;border:1px solid var(--line);border-radius:18px;padding:26px;margin:18px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:18px}.grid .card{margin:0}form{display:flex;flex-direction:column;gap:17px}label{display:flex;flex-direction:column;gap:8px;font-size:14px;color:#d3dfe3}input,select{width:100%;min-height:47px;border:1px solid #3a4d5c;border-radius:9px;background:#0e1821;color:#f1f5f6;font:inherit;padding:12px}input::placeholder{color:#82939f}button{font:inherit;font-size:14px;font-weight:600;border-radius:9px;padding:13px 18px;border:1px solid transparent;background:var(--accent);color:#0b2221;cursor:pointer;min-height:46px}button:disabled{opacity:.5;cursor:wait}button.secondary{border-color:var(--line);background:#1b2a36;color:#e1eaf0}button.danger{background:#332329;color:#ffb4b2;border-color:#67434a}button:hover{filter:brightness(1.12)}:focus-visible{outline:3px solid #b0fce8;outline-offset:3px}nav{display:flex;gap:9px;flex-wrap:wrap;margin:25px 0 35px}nav button{background:transparent;color:var(--muted);border-color:var(--line)}nav button.active{background:#26453f;color:#a5f3df;border-color:#4b8074}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row input{flex:1;min-width:200px}.check{display:flex;flex-direction:row;align-items:center;gap:12px;margin:8px 0}.check input{width:19px;min-height:19px;height:19px;accent-color:var(--accent)}fieldset{margin:0;border:1px solid var(--line);border-radius:10px;padding:12px 16px}legend{font-size:14px;padding:0 6px;color:var(--muted)}.code{font-family:ui-monospace,monospace;font-size:30px;letter-spacing:3px;font-weight:550;color:#e4fff5;margin:15px 0}.badge{display:inline-block;padding:4px 9px;margin:0 0 10px;background:#243c37;color:#a5e7d4;border-radius:6px;font-size:12px}.small{font-size:13px}.message{padding:15px 19px;border:1px solid #5d5540;border-radius:10px;background:#302c22;color:#fff0c6;margin-bottom:24px}.message.success{border-color:#356e5f;background:#18382f;color:#b6eed7}footer{max-width:1080px;margin:35px auto;padding:20px 28px;color:#758794;font-size:13px;border-top:1px solid #23313b}hr{border:0;border-top:1px solid var(--line);margin:28px 0}.link-result{margin:18px 0}a{color:var(--accent)}@media(max-width:560px){header{padding:24px 20px}main{margin-top:10px;padding:0 20px}.narrow{margin:25px auto}.card{padding:21px}nav{gap:7px}nav button{padding:11px}.row button{flex:1}}