:root{color-scheme:dark;--bg:#101820;--card:#192630;--line:#293b47;--text:#edf4f7;--muted:#9aadb8;--accent:#76e0bd;font:16px/1.5 system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% 0,#203744,var(--bg) 60%);color:var(--text);min-height:100vh}.shell{max-width:960px;margin:auto;padding:24px 20px 44px}header{display:flex;align-items:center}.brand{font-size:19px;font-weight:800;letter-spacing:.08em;text-decoration:none;color:var(--text)}.brand span{color:var(--accent)}.card{background:linear-gradient(145deg,#1c2c37,#17242d);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 14px 35px #0002}.auth{max-width:440px;margin:12vh auto}h1{font-size:30px;margin:4px 0 22px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--muted);margin:0 0 12px}.muted{color:var(--muted);font-size:13px}button,input{font:inherit;color:var(--text);background:#22343f;border:1px solid var(--line);border-radius:10px;padding:11px 14px}button{cursor:pointer;background:var(--accent);border:0;color:#10221e;font-weight:750;width:100%}form label{display:block;margin:14px 0 6px}input{display:block;width:100%;margin-top:5px}.error{color:#ff8e8e;min-height:1.5em}.shell{width:min(100%,960px);min-width:0}button,input{max-width:100%}h1{overflow-wrap:anywhere}@media(max-width:480px){.shell{padding:18px 14px 28px}.card{padding:19px}.auth{margin:8vh auto}.auth h1{font-size:26px}}