:root{
  --bg:#0f1227;--panel:#171b35;--panel-2:#20264a;--text:#ecf1ff;--muted:#9ca9d6;--primary:#7c5cff;--primary-2:#53d8ff;--success:#28d17c;--danger:#ff5d7a;--warning:#ffbf47;--info:#37c8ff;--border:rgba(255,255,255,.08);--shadow:0 18px 50px rgba(0,0,0,.35);
}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:radial-gradient(circle at top right,#0a2342 0,#0f1227 40%,#0b0d1d 100%);color:var(--text)}
a{text-decoration:none;color:inherit}code{background:#12162b;padding:2px 6px;border-radius:6px}
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(520px,100%);background:linear-gradient(180deg,rgba(23,27,53,.96),rgba(16,20,43,.98));border:1px solid var(--border);box-shadow:var(--shadow);border-radius:28px;padding:28px}.login-card.small{max-width:420px}.login-card.installer{max-width:760px}.brand{font-weight:900;font-size:34px;letter-spacing:.5px;background:linear-gradient(90deg,#86e4ff,#8b63ff 55%,#ff8ef0);-webkit-background-clip:text;color:transparent}.brand-side{font-size:24px;padding:8px 8px 20px}.brand-side span{color:#86e4ff}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:12px}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;margin-top:7px;background:#11162f;border:1px solid var(--border);padding:13px 14px;color:var(--text);border-radius:14px;outline:none}textarea{min-height:84px;resize:vertical}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:14px;border:0;cursor:pointer;font-weight:700}.btn-primary{background:linear-gradient(90deg,var(--primary),var(--primary-2));color:#fff}.btn-success{background:linear-gradient(90deg,#17b86f,#35e0a1);color:#fff}.btn-pill{background:linear-gradient(90deg,#8f6cff,#7c5cff);color:#fff;border-radius:999px;padding:10px 16px}.btn-block{width:100%}
.alert{padding:12px 14px;border-radius:14px;margin:0 0 16px}.alert-success{background:rgba(40,209,124,.12);border:1px solid rgba(40,209,124,.28)}.alert-danger{background:rgba(255,93,122,.12);border:1px solid rgba(255,93,122,.28)}
.muted{color:var(--muted)}.center{text-align:center}.login-links{display:flex;justify-content:space-between;gap:10px;margin-top:16px;font-size:14px}.login-links a{color:#9fdcff}
.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:rgba(10,14,32,.85);backdrop-filter:blur(10px);border-right:1px solid var(--border);padding:20px;position:sticky;top:0;height:100vh}.sidebar-nav{display:flex;flex-direction:column;gap:10px}.nav-item{display:flex;gap:12px;align-items:center;padding:14px 16px;border-radius:16px;color:#d8e1ff}.nav-item.active,.nav-item:hover{background:linear-gradient(90deg,rgba(124,92,255,.85),rgba(83,216,255,.22));box-shadow:inset 0 0 0 1px rgba(131,203,255,.18)}.nav-icon{width:22px;text-align:center}
.main-content{padding:28px}.topbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:22px}.topbar h1{margin:0 0 4px}.topbar-user{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.04);padding:10px 14px;border-radius:16px;border:1px solid var(--border)}.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(90deg,#7c5cff,#53d8ff);font-weight:800}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:20px}.stat-card,.mini-card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--border);border-radius:22px;padding:20px;box-shadow:var(--shadow)}.stat-card span,.mini-card span{display:block;color:var(--muted);font-size:14px}.stat-card strong,.mini-card strong{font-size:28px;margin-top:8px;display:block}
.grid{display:grid;gap:18px}.grid.two{grid-template-columns:1fr 1fr}.grid.two-fixed{grid-template-columns:380px 1fr}.panel{background:linear-gradient(180deg,rgba(23,27,53,.98),rgba(17,20,43,.98));border:1px solid var(--border);border-radius:24px;padding:18px;box-shadow:var(--shadow)}.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.panel-header h2{margin:0;font-size:20px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.form-grid.compact label{margin:0}.form-grid .full{grid-column:1/-1}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:14px 12px;border-bottom:1px solid rgba(255,255,255,.06);vertical-align:top}thead th{font-size:12px;text-transform:uppercase;color:#9db1ef;letter-spacing:.08em}tbody tr:hover{background:rgba(255,255,255,.03)}
.badge{display:inline-block;padding:7px 10px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.03em}.badge-success{background:rgba(40,209,124,.18);color:#78ffba}.badge-danger{background:rgba(255,93,122,.18);color:#ff95a8}.badge-warning{background:rgba(255,191,71,.18);color:#ffd787}.badge-info{background:rgba(55,200,255,.18);color:#98ebff}.badge-muted{background:rgba(255,255,255,.08);color:#cbd7ff}
.options-menu{position:relative}.options-menu summary{list-style:none}.options-menu summary::-webkit-details-marker{display:none}.options-dropdown{position:absolute;right:0;top:46px;min-width:220px;background:#0b1025;border:1px solid rgba(129,138,255,.28);border-radius:18px;padding:12px;box-shadow:var(--shadow);z-index:20}.options-dropdown form,.options-dropdown .option-link{display:block;margin-bottom:8px}.options-dropdown button,.options-dropdown .option-link{width:100%;text-align:left;background:#101737;border:1px solid rgba(255,255,255,.05);color:#edf2ff;border-radius:12px;padding:11px 12px}.options-dropdown button:hover,.options-dropdown .option-link:hover{background:#16204b}.renew-form{display:grid;grid-template-columns:80px 1fr;gap:8px}.renew-form input{margin-top:0;padding:11px 8px}
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.spacer{height:10px}.simple-list{margin:0;padding-left:18px}.simple-list li{margin:10px 0}
@media (max-width:1100px){.stats-grid,.grid.two,.grid.two-fixed,.cards-grid{grid-template-columns:1fr 1fr}.app-shell{grid-template-columns:88px 1fr}.sidebar .brand-side{font-size:0}.sidebar .brand-side::after{content:'NV';font-size:24px;color:#fff}.nav-item span:last-child{display:none}}
@media (max-width:760px){.app-shell,.stats-grid,.grid.two,.grid.two-fixed,.cards-grid,.form-grid{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.topbar{flex-direction:column;align-items:flex-start}.main-content{padding:16px}.login-links{flex-direction:column}}