:root{
  --bg:#070d19;
  --panel:#0d1424;
  --panel2:#111a2d;
  --line:#25314a;
  --muted:#9fb0cc;
  --text:#eef4ff;
  --blue:#2563ff;
  --blue2:#1d4ed8;
  --red:#e8344d;
  --green:#10a66b;
  --darkbtn:#1d2638;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:radial-gradient(circle at 75% 0%,rgba(160,22,48,.32),transparent 36%),radial-gradient(circle at 22% 0%,rgba(31,99,255,.22),transparent 35%),var(--bg);color:var(--text);min-height:100vh}
a{color:inherit;text-decoration:none}.admin-shell{display:flex;min-height:100vh}.sidebar{width:250px;background:#070d18;border-right:1px solid var(--line);padding:24px 18px;position:fixed;left:0;top:0;bottom:0}.brand{display:flex;gap:12px;align-items:center;margin-bottom:28px}.brand-icon{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#ff334d,#2069ff);display:flex;align-items:center;justify-content:center;font-weight:900}.brand-title{font-weight:900;font-size:20px}.brand-sub{color:var(--muted);font-size:12px;margin-top:3px}.menu{display:flex;flex-direction:column;gap:9px}.menu-link,.menu-button,.back-link{min-height:48px;padding:0 15px;border-radius:13px;background:#111827;color:#dce7fb;display:flex;align-items:center;justify-content:space-between;border:1px solid transparent;font-size:15px}.menu-link:hover,.menu-button:hover,.back-link:hover{border-color:#384667;background:#151f33}.menu-link.active,.menu-button.active{background:linear-gradient(90deg,rgba(37,99,255,.28),rgba(232,52,77,.18));border-color:#325cff}.menu-icon{width:25px;text-align:center;margin-right:10px}.menu-left{display:flex;align-items:center}.menu-arrow{font-size:20px;color:#d3ddf0}.menu-heading{font-size:12px;color:#95a7c7;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin:20px 0 8px}.back-link{justify-content:flex-start;gap:12px;margin-bottom:24px;background:#101828}.back-box{width:28px;height:28px;border-radius:8px;background:#182236;display:flex;align-items:center;justify-content:center;font-size:19px}.content{margin-left:250px;width:calc(100% - 250px);padding:34px 34px 60px}.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:28px}.page-title h1{margin:0;font-size:34px;line-height:1.1}.page-title p{color:var(--muted);margin:12px 0 0}.card{background:rgba(13,20,36,.9);border:1px solid var(--line);border-radius:20px;padding:24px;margin-bottom:20px;box-shadow:0 20px 80px rgba(0,0,0,.22)}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:18px}.stat{background:rgba(17,26,45,.86);border:1px solid var(--line);border-radius:16px;padding:18px}.stat small{color:var(--muted)}.stat b{display:block;font-size:28px;margin-top:8px}.table-wrap{overflow:auto;border-radius:16px;border:1px solid var(--line)}.table{width:100%;border-collapse:collapse;min-width:1180px;background:#0b1221}.table th{background:#151d2e;color:#b9c7df;font-size:13px;text-align:left;padding:16px 14px}.table td{border-top:1px solid #1e2a40;padding:16px 14px;font-size:14px;vertical-align:middle}.table tr:hover td{background:#0f1829}.license-key{font-weight:900;letter-spacing:.02em}.muted{color:var(--muted)}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:46px;height:28px;border-radius:999px;font-size:12px;font-weight:900}.badge.on,.badge.active{background:rgba(16,166,107,.22);color:#54f0ae}.badge.off,.badge.blocked,.badge.expired{background:rgba(232,52,77,.2);color:#ff8091}.actions{display:flex;gap:8px;align-items:center;flex-wrap:nowrap}.btn,button{height:38px;min-width:82px;border:0;border-radius:11px;padding:0 13px;color:white;font-weight:900;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;white-space:nowrap;font-size:13px}.btn-primary{background:linear-gradient(135deg,var(--blue),#3159ff);box-shadow:0 10px 25px rgba(37,99,255,.28)}.btn-blue{background:var(--blue)}.btn-red{background:var(--red)}.btn-green{background:var(--green)}.btn-dark{background:var(--darkbtn);border:1px solid #35435c}.btn:hover{filter:brightness(1.08)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field label{display:block;color:#bdd0ed;font-weight:800;font-size:13px;margin-bottom:8px}input,select{width:100%;height:46px;background:#091020;color:#fff;border:1px solid #2a3853;border-radius:12px;padding:0 13px;outline:none}input:focus,select:focus{border-color:#356cff}.form-actions{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}.alert{padding:14px 16px;border-radius:14px;margin-bottom:18px}.alert-ok{background:rgba(16,166,107,.16);border:1px solid rgba(16,166,107,.35)}.alert-error{background:rgba(232,52,77,.16);border:1px solid rgba(232,52,77,.35);color:#ffd5dc}.login-wrap{max-width:430px;margin:70px auto}.login-logo{text-align:center;margin-bottom:22px}.login-logo .brand-icon{margin:0 auto 10px}.small{color:var(--muted);font-size:13px}.copy{font-size:20px;font-weight:900;color:#58f0aa}.sidebar-footer{position:absolute;left:18px;right:18px;bottom:18px}.help-card{border:1px solid var(--line);background:#101827;border-radius:15px;padding:14px;color:#cbd8ef;font-size:13px}
@media(max-width:900px){.sidebar{position:relative;width:100%;height:auto}.admin-shell{display:block}.content{margin-left:0;width:100%;padding:22px}.stats,.form-grid{grid-template-columns:1fr}.sidebar-footer{position:static;margin-top:24px}}