:root{
  --bg:#0b1020; --panel:#111932; --muted:#97a0b8; --accent:#22c55e; --accent-2:#38bdf8; --text:#e6ecff;
  --border:rgba(255,255,255,0.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto}
.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:rgba(17,25,50,.7);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:10px}
.logo{width:28px;height:28px;border-radius:6px}
.nav a{color:var(--text);text-decoration:none;margin-left:14px;opacity:.9}
.nav a.logout{color:#fca5a5}
.container{max-width:1100px;margin:20px auto;padding:0 16px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:0 4px 20px rgba(0,0,0,.2)}
.grid{display:grid;gap:16px}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:900px){.grid.cols-2{grid-template-columns:1fr}}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{padding:10px;border-bottom:1px solid var(--border)}
.table th{text-align:left;color:var(--muted);font-weight:600}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:#0d2838;color:#a7f3d0;border:1px solid #134e4a;font-size:12px}
.input,select{width:100%;padding:10px;border-radius:10px;border:1px solid var(--border);background:#0f1730;color:var(--text)}
.button{padding:10px 14px;border-radius:10px;border:1px solid var(--border);background:linear-gradient(180deg,#1c2748,#162043);color:var(--text);cursor:pointer}
.button.primary{background:linear-gradient(180deg,#0ea5e9,#0ea5e933);border-color:#075985}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.footer{opacity:.6;text-align:center;padding:20px}
.alert{margin-bottom:12px;padding:10px;border-radius:8px;background:#1e293b;color:#e2e8f0;border:1px solid var(--border)}