:root{
  --bg:#f5f6fb;--surface:#ffffff;--border:#e4e7f2;--text:#161c2d;--text-dim:#5b6480;--text-mute:#8a92ab;
  --brand:#4f46e5;--brand-2:#7c3aed;--ok:#16a34a;--warn:#d97706;--danger:#dc2626;--navy:#0b1023;
  --radius:14px;--shadow:0 8px 24px -10px rgba(23,29,60,.18);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Segoe UI",-apple-system,Roboto,Arial,sans-serif}
a{color:inherit}
.admin-shell{display:flex;min-height:100vh}
.sidebar{width:240px;flex:none;background:var(--navy);color:#c3c9ec;padding:22px 16px;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar .brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;padding:0 8px 22px;font-size:1.05rem}
.sidebar .brand .mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:flex;align-items:center;justify-content:center}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;text-decoration:none;font-size:.88rem;font-weight:600;color:#a9b0d6;margin-bottom:2px}
.sidebar nav a svg{width:17px;height:17px;flex:none}
.sidebar nav a:hover{background:#161d3a;color:#fff}
.sidebar nav a.active{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
.sidebar .group-label{font-size:.68rem;text-transform:uppercase;letter-spacing:.06em;color:#5c6796;margin:18px 8px 8px}
.main{flex:1;min-width:0}
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:16px 28px;display:flex;justify-content:space-between;align-items:center}
.topbar h1{font-size:1.15rem;margin:0}
.content{padding:26px 28px 60px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px}
@media (max-width:1000px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.stat-card .icon-badge{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:12px}
.stat-card .icon-badge svg{width:20px;height:20px}
.stat-card .val{font-size:1.5rem;font-weight:800}
.stat-card .lbl{font-size:.8rem;color:var(--text-mute)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:20px}
.card h2{font-size:1.05rem;margin:0 0 16px}
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:.86rem}
table th{text-align:left;padding:12px 16px;background:#f8f9fd;color:var(--text-mute);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em}
table td{padding:12px 16px;border-top:1px solid var(--border);vertical-align:middle}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:700}
.badge-green{background:#dcfce7;color:#166534}
.badge-amber{background:#fef3c7;color:#92400e}
.badge-red{background:#fee2e2;color:#991b1b}
.badge-blue{background:#e0e7ff;color:#3730a3}
.badge-gray{background:#eef1f5;color:#475569}
.btn{display:inline-flex;align-items:center;gap:6px;border:none;border-radius:9px;padding:9px 16px;font-weight:700;font-size:.85rem;cursor:pointer;text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
.btn-ghost{background:#fff;border:1px solid var(--border);color:var(--text)}
.btn-danger{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.btn-sm{padding:6px 12px;font-size:.78rem}
.field{margin-bottom:16px}
.field label{display:block;font-size:.8rem;font-weight:700;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--border);padding:10px 12px;border-radius:9px;font-size:.88rem;font-family:inherit}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
@media (max-width:760px){.row2,.row3{grid-template-columns:1fr}}
.error-box{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:11px 14px;border-radius:9px;font-size:.85rem;margin-bottom:16px}
.ok-box{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534;padding:11px 14px;border-radius:9px;font-size:.85rem;margin-bottom:16px}
.key-mono{font-family:Consolas,Menlo,monospace;font-size:.8rem}
.pill-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.pill-tabs a{padding:8px 16px;border-radius:999px;border:1px solid var(--border);font-size:.82rem;font-weight:600;text-decoration:none;color:var(--text-dim);background:#fff}
.pill-tabs a.active{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent}
.auth-center{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(1100px 700px at 15% -10%,#e7e8ff 0%,var(--bg) 55%)}
.auth-card{width:400px;max-width:92vw;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px;box-shadow:var(--shadow)}