*{box-sizing:border-box}
body{margin:0;font-family:Arial,sans-serif;background:radial-gradient(circle at top,#12345c,#070b14 55%);color:#fff}
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{width:100%;max-width:420px;background:rgba(15,23,42,.94);border:1px solid rgba(56,189,248,.5);border-radius:18px;padding:28px;box-shadow:0 0 35px rgba(56,189,248,.25)}
h1{color:#38bdf8;margin:0 0 10px} h2{margin-top:0}
label{display:block;margin-top:14px;margin-bottom:6px;color:#cbd5e1}
input,select{width:100%;padding:11px;border:none;border-radius:10px;background:#e2e8f0;color:#020617}
button,.logout,.delete-btn,.nav a{display:inline-block;text-decoration:none;margin-top:16px;padding:12px 18px;border:none;border-radius:12px;background:#0ea5e9;color:#fff;font-weight:bold;cursor:pointer}
button:hover,.logout:hover,.nav a:hover{background:#0284c7}
.logout{background:#ef4444;margin-left:12px}.delete-btn{background:#dc2626;margin:0;padding:8px 12px}
.disabled-btn{background:#64748b;padding:8px 12px;border-radius:10px;color:#fff;display:inline-block}
.demo-box{margin-top:20px;background:rgba(2,6,23,.6);padding:12px;border-radius:10px;color:#cbd5e1}
.error{color:#f87171;font-weight:bold}
header{display:flex;justify-content:space-between;align-items:center;background:rgba(2,6,23,.88);border-bottom:1px solid rgba(56,189,248,.4);padding:18px 24px}
.nav{max-width:1250px;margin:16px auto 0;padding:0 24px;display:flex;gap:10px;flex-wrap:wrap}
main{max-width:1250px;margin:auto;padding:24px}.panel{background:rgba(15,23,42,.9);border:1px solid rgba(56,189,248,.35);border-radius:18px;padding:20px;margin-bottom:24px;box-shadow:0 0 25px rgba(56,189,248,.12)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}table{width:100%;border-collapse:collapse;background:#f8fafc;color:#020617;border-radius:12px;overflow:hidden}
th{background:#0284c7;color:#fff;padding:12px}td{border-bottom:1px solid #cbd5e1;padding:10px;text-align:center}.hint{color:#bae6fd}.badge{background:#22c55e;padding:8px 12px;border-radius:999px;font-weight:bold}
@media(max-width:900px){header{flex-direction:column;gap:12px}.grid{grid-template-columns:1fr}table{font-size:13px;display:block;overflow-x:auto}}

.success{color:#4ade80;font-weight:bold}.text-link{color:#38bdf8;text-decoration:none;font-weight:bold}.text-link:hover{text-decoration:underline}

.installer-card{max-width:560px} .installer-card h3{color:#bae6fd;margin-top:24px;border-top:1px solid rgba(56,189,248,.25);padding-top:16px}

.footer{
margin-top:40px;
padding:20px;
text-align:center;
font-size:14px;
color:#cbd5e1;
border-top:1px solid rgba(56,189,248,.25);
background:rgba(2,6,23,.6)
}
.footer a{color:#38bdf8;text-decoration:none}

.login-logo{
display:block;
max-width:420px;
width:100%;
margin:0 auto 20px;
height:auto;
}