:root{--lime:#cfff00;--bg:#050705;--line:#232a23;--txt:#f5f7f5;--mut:#8b948b;--red:#ef4444}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--txt);font:15px/1.5 Inter,system-ui,sans-serif;min-height:100vh;display:grid;place-items:center;padding:20px}
.grid-bg{position:fixed;inset:0;z-index:-2;background-image:linear-gradient(rgba(207,255,0,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(207,255,0,.05) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at top,#000 30%,transparent 80%)}
.scan{position:fixed;inset:0;z-index:-1;background:radial-gradient(600px 300px at 50% -5%,rgba(207,255,0,.16),transparent 70%)}
.box{width:100%;max-width:400px;background:linear-gradient(180deg,rgba(17,22,17,.92),rgba(8,11,8,.92));border:1px solid var(--line);border-radius:18px;padding:32px 28px;box-shadow:0 0 40px rgba(207,255,0,.06)}
.logo{height:48px;display:block;margin:0 auto 18px}
h1{font-family:Orbitron,sans-serif;font-size:20px;letter-spacing:.04em;text-align:center;margin:0 0 4px}h1 span{color:var(--lime);text-shadow:0 0 12px rgba(207,255,0,.4)}
.eyebrow{font-family:Orbitron,sans-serif;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--mut);text-align:center;margin:0 0 24px}
label{display:grid;gap:6px;font-size:13px;color:var(--mut);margin-bottom:14px}
input{background:#0d120d;color:var(--txt);border:1px solid var(--line);border-radius:10px;padding:11px 12px;font:inherit}
input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(207,255,0,.15)}
button{width:100%;background:var(--lime);color:#050705;border:0;border-radius:10px;padding:12px;font-weight:700;cursor:pointer;font-family:Orbitron,sans-serif;font-size:13px;letter-spacing:.08em;margin-top:6px}
button:hover{box-shadow:0 0 18px rgba(207,255,0,.5)}
.err{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.45);color:#fca5a5;border-radius:10px;padding:9px 12px;font-size:13px;margin-bottom:14px;text-align:center}