:root{
  --bg:#0b1220;
  --panel:#111a2b;
  --panel2:#162238;
  --ink:#e7edf7;
  --muted:#9aa6bf;
  --line:#24324a;
  --accent:#5aa0ff;
  --accent2:#3fd0a7;
  --danger:#ef6565;
  --warning:#f1c95b;
  --ok:#55c58a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(180deg,#0a1120 0%,#0d1628 100%);color:var(--ink);font:14px/1.5 Inter,Segoe UI,Roboto,Arial,sans-serif;min-height:100%}
a{color:#a9ccff;text-decoration:none}
a:hover{text-decoration:underline}
.shell{display:grid;grid-template-columns:270px 1fr;min-height:100vh}
.sidebar{border-right:1px solid var(--line);background:rgba(9,15,28,.9);padding:28px 22px;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:14px;align-items:center;margin-bottom:28px}
.brand-mark{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;color:#08101f;font-weight:800}
.brand-title{font-size:18px;font-weight:800}
.brand-subtitle{font-size:12px;color:var(--muted)}
.nav{display:flex;flex-direction:column;gap:8px}
.nav a{padding:11px 13px;border-radius:12px;color:var(--ink);background:transparent}
.nav a.active,.nav a:hover{background:rgba(90,160,255,.12);text-decoration:none}
.main{padding:28px;max-width:1400px}
.page-title{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px}
.page-title h1{margin:0;font-size:28px}
.page-title p{margin:6px 0 0;color:var(--muted)}
.card{background:linear-gradient(180deg,rgba(20,31,50,.95),rgba(16,25,42,.95));border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 18px 50px rgba(0,0,0,.18)}
.grid{display:grid;gap:18px}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.metric{padding:16px;border-radius:18px;background:linear-gradient(180deg,rgba(90,160,255,.08),rgba(63,208,167,.03));border:1px solid var(--line)}
.metric-label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.metric-value{font-size:29px;font-weight:800;margin-top:8px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:999px;font-size:12px;font-weight:700;border:1px solid rgba(255,255,255,.08)}
.badge.ok{background:rgba(85,197,138,.12);color:#a4e7bc}
.badge.error{background:rgba(239,101,101,.12);color:#ffb2b2}
.badge.warn{background:rgba(241,201,91,.12);color:#ffe4a0}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.field{display:flex;flex-direction:column;gap:6px}
label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
input,select,textarea{width:100%;padding:11px 12px;background:#09111d;border:1px solid var(--line);border-radius:12px;color:var(--ink)}
textarea{min-height:120px;resize:vertical}
button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:11px 14px;font-weight:700;cursor:pointer;background:linear-gradient(135deg,var(--accent),#77b4ff);color:#08101f}
.btn.secondary{background:#17253d;color:var(--ink);border:1px solid var(--line)}
.btn.danger{background:linear-gradient(135deg,#f06a6a,#ee4f4f);color:white}
.flash{padding:12px 14px;border-radius:12px;margin-bottom:14px;border:1px solid var(--line)}
.flash-success{background:rgba(85,197,138,.12)}
.flash-error{background:rgba(239,101,101,.12)}
.flash-info{background:rgba(90,160,255,.12)}
.inline-actions{display:flex;gap:10px;flex-wrap:wrap}
.stat-list{display:flex;flex-direction:column;gap:8px}
.stat-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.login-wrap{max-width:460px;margin:60px auto}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:#09111d;border:1px solid var(--line);padding:8px 10px;border-radius:10px}
.numbers{font-weight:700;letter-spacing:.04em}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;background:rgba(90,160,255,.12);margin-right:6px;margin-bottom:6px;color:#cfe2ff}
@media (max-width: 980px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto}
  .grid.cols-2,.grid.cols-3,.grid.cols-4,.form-grid,.form-grid.cols-3{grid-template-columns:1fr}
}