:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#071019;color:#e8f1f7}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% 0,#123046 0,#071019 48%,#04090d 100%)}main{min-height:100vh;display:grid;place-items:center;padding:24px}section{width:min(440px,100%);padding:34px;border:1px solid #233e50;border-radius:18px;background:rgba(7,18,27,.94);box-shadow:0 28px 90px rgba(0,0,0,.5)}.brand{font-size:13px;font-weight:800;letter-spacing:.18em;color:#72d5ff}.brand span{float:right;color:#68e3a6;font-size:10px;border:1px solid #245f49;border-radius:999px;padding:5px 8px}h1{font-size:30px;margin:22px 0 8px}.lead{margin:0 0 24px;color:#9cb0bd;line-height:1.55}.error{padding:11px 13px;border:1px solid #8b3947;border-radius:9px;background:#35141b;color:#ffb7c2}form{display:grid;gap:17px}label{display:grid;gap:7px;color:#b8c8d2;font-size:13px;font-weight:700}input{width:100%;border:1px solid #29475a;border-radius:10px;background:#0b1821;color:#fff;padding:13px 14px;font-size:17px;outline:none}input:focus{border-color:#53c9f5;box-shadow:0 0 0 3px rgba(83,201,245,.13)}button{border:0;border-radius:10px;padding:14px;background:#39b9e7;color:#021018;font-weight:900;letter-spacing:.08em;cursor:pointer}button:hover{background:#64cff3}button:disabled{opacity:.45;cursor:not-allowed}.qr{text-align:center;padding:16px;border:1px solid #244052;border-radius:12px;background:#fff}.qr img{display:block;width:min(250px,100%);height:auto;margin:auto}.qr p{color:#243541;font-size:12px;line-height:1.4;margin:10px 0 0}footer{margin-top:24px;color:#687f8d;font-size:11px;text-align:center}body>.dukpanel-logout{position:fixed;right:18px;bottom:18px;z-index:10000;width:auto;padding:10px 13px;border:1px solid #375466;background:#0b1821;color:#c9d7df;font-size:11px}.dukpanel-logout:hover{background:#132735;color:#fff}@media(max-width:520px){section{padding:24px}.brand span{float:none;display:inline-block;margin-left:7px}h1{font-size:26px}}