:root{--bg:#090d12;--panel:#10171e;--line:#29333d;--text:#eef2f4;--muted:#87929c;--lime:#b8e66d;--cyan:#63d9e8}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:"Avenir Next","Noto Sans SC",sans-serif;letter-spacing:0}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(#ffffff05 1px,transparent 1px),linear-gradient(90deg,#ffffff05 1px,transparent 1px);background-size:42px 42px}
.login-shell{position:relative;min-height:100vh;display:grid;place-items:center;padding:24px}.signal-panel{width:min(440px,100%);padding:30px;border:1px solid var(--line);border-radius:8px;background:#10171ef2;box-shadow:0 28px 70px #0009}
.brand-row{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border:1px solid #506438;border-radius:6px;color:var(--lime);font-size:25px}.brand-row strong,.brand-row small{display:block}.brand-row strong{font-size:15px}.brand-row small{margin-top:3px;color:var(--muted);font:9px ui-monospace,monospace}
.signal-line{display:grid;grid-template-columns:8px 1fr 8px 1fr 8px;align-items:center;margin:28px 0}.signal-line span{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 15px #b8e66d88}.signal-line i{height:1px;background:linear-gradient(90deg,var(--lime),var(--cyan))}
header p{margin:0 0 8px;color:var(--cyan);font:10px ui-monospace,monospace}h1{margin:0;font-size:30px;letter-spacing:0}header>span{display:block;margin-top:9px;color:var(--muted);font-size:13px}
form{display:grid;gap:16px;margin-top:28px}label span{display:block;margin-bottom:7px;color:#aab3bb;font-size:11px}input{width:100%;height:45px;padding:0 13px;border:1px solid var(--line);border-radius:6px;outline:0;background:#090e13;color:var(--text);font-size:14px}input:focus{border-color:#6b8b48;box-shadow:0 0 0 3px #b8e66d12}
#login-error{min-height:18px;margin:-4px 0;color:#ff8e8e;font-size:11px}button{height:46px;display:flex;align-items:center;justify-content:space-between;padding:0 15px;border:1px solid #668845;border-radius:6px;background:#26381d;color:var(--lime);font-weight:700;cursor:pointer}button:disabled{opacity:.55;cursor:wait}button b{font-size:18px}
footer{display:flex;justify-content:space-between;margin-top:26px;padding-top:18px;border-top:1px solid #ffffff0d;color:var(--muted);font-size:10px}footer i{display:inline-block;width:6px;height:6px;margin-right:5px;border-radius:50%;background:var(--lime)}footer code{color:#66717b;font-size:9px}@media(max-width:520px){.signal-panel{padding:23px}.login-shell{padding:14px}h1{font-size:27px}}