*{box-sizing:border-box}
body{font-family:Arial,sans-serif;background:#0f172a;color:#f8fafc;margin:0}
.client-bg{min-height:100vh;background:radial-gradient(circle at 20% 10%,rgba(34,197,94,.22),transparent 25%),radial-gradient(circle at 80% 20%,rgba(59,130,246,.20),transparent 30%),linear-gradient(135deg,#020617,#0f172a 55%,#07111f)}
header{padding:18px 22px;background:#020617;border-bottom:1px solid #334155;display:flex;justify-content:space-between;gap:12px;align-items:center}
main{padding:20px;display:grid;gap:18px}
section,.box{background:#1e293b;border:1px solid #334155;border-radius:14px;padding:16px}
input,select,button{padding:10px;border-radius:10px;border:1px solid #475569;margin:4px}
input,select{background:#0f172a;color:#f8fafc}
button{background:#f59e0b;color:#111827;font-weight:bold;cursor:pointer;border:0}
button:disabled{opacity:.45;cursor:not-allowed}
.secondary{background:#334155;color:#f8fafc}.danger{background:#ef4444;color:#fff}.success{background:#22c55e;color:#052e16}
table{width:100%;border-collapse:collapse;margin-top:10px}
th,td{border-bottom:1px solid #334155;padding:10px;text-align:left;font-size:14px;vertical-align:top}
.ok{color:#22c55e;font-weight:bold}.bad{color:#ef4444;font-weight:bold}.warn{color:#f59e0b;font-weight:bold}.muted{color:#94a3b8}
.row{display:flex;flex-wrap:wrap;align-items:center;gap:4px}
.grid{display:grid;grid-template-columns:repeat(5,minmax(120px,1fr));gap:12px}
.metric{background:#0f172a;border:1px solid #334155;border-radius:14px;padding:14px}
.metric strong{display:block;font-size:26px;margin-top:6px}
.hidden{display:none!important}.screen{min-height:100vh;display:grid;place-items:center;padding:20px}
.loginBox,.screen .box{max-width:620px;width:100%}
.loginBox{max-width:420px}
.loginBox input,.screen .box input,.screen .box select,.screen .box button{width:100%;margin:8px 0}
pre{background:#020617;padding:12px;border-radius:10px;overflow:auto}.small{font-size:12px}
a{color:#f59e0b}
.brand{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.logo{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,#22c55e,#3b82f6);box-shadow:0 0 30px rgba(34,197,94,.35);font-size:28px}
.subtitle{color:#93c5fd;margin-top:4px}
.card{background:rgba(2,6,23,.72);border:1px solid rgba(148,163,184,.25);border-radius:18px;padding:18px;margin:16px 0}
.vpn-art{display:flex;gap:12px;align-items:center;background:linear-gradient(135deg,rgba(34,197,94,.16),rgba(59,130,246,.13));border:1px solid rgba(34,197,94,.25);border-radius:18px;padding:14px;margin:14px 0}
.vpn-icon{font-size:34px}.suggest{border-color:#f59e0b}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}