:root{font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;color-scheme:dark;color:#e9ecf5;background:#111827}
*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 0%,#25354c,#111827 63%)}
.shell{width:min(100%,530px);border:1px solid #3b4558;background:#1b2535;border-radius:16px;padding:30px;box-shadow:0 15px 40px #080c1875}
.eyebrow{font-size:11px;letter-spacing:.18em;color:#a0b9d7;font-weight:700}h1{font-size:27px;margin:14px 0}h2{font-size:19px}
.intro{font-size:14px;line-height:1.8;color:#c5cddd}#status{min-height:22px;color:#83b6ff;font-size:14px;margin:20px 0}
.tabs{display:flex;border-bottom:1px solid #44536a;margin-bottom:18px;gap:18px}.tabs button{background:none;border:0;border-bottom:2px solid transparent;color:#b3bdce;padding:10px 5px;cursor:pointer;font-weight:600}
.tabs button.active{color:#fff;border-color:#79a9f8}label{display:block;font-size:13px;margin:17px 0 7px;color:#d5dcea}
input{display:block;width:100%;background:#111a2b;border:1px solid #566275;color:#f7f9ff;border-radius:8px;padding:12px;font-size:15px}input:focus{outline:2px solid #78b7ff}
button,a.primary{font-size:14px;border-radius:9px;padding:12px 16px;cursor:pointer}button.primary,a.primary{background:#8ac2ff;border:0;color:#071425;font-weight:700;text-decoration:none}
#submitBtn{width:100%;margin-top:25px}button:disabled{opacity:.6;cursor:wait}
.buttons{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:20px}
#logoutBtn{background:transparent;border:1px solid #7e8ba3;color:#e8efff}.note{border-top:1px solid #38455a;margin-top:28px;padding-top:18px;color:#9dabc1;font-size:12px;line-height:1.7}
[hidden]{display:none!important}