:root{
  --bg:#f3f6fb; --card:#fff; --text:#111827; --muted:#667085; --line:#dbe3ee;
  --primary:#2563eb; --primary2:#1d4ed8; --success:#166534; --success-bg:#dcfce7;
  --danger:#b91c1c; --danger-bg:#fee2e2; --dark:#0f172a; --sidebar:#111827;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);}
a{color:inherit;text-decoration:none}
.no-access-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#eef6ff,#f8fafc 60%,#ecfdf5)}
.no-access-card{width:min(440px,100%);background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:0 20px 60px rgba(15,23,42,.08)}
.no-access-card h1{font-size:28px;line-height:1.1;margin:14px 0 10px;font-weight:800;letter-spacing:-.02em}
.no-access-card p{color:var(--muted);line-height:1.55;margin:0 0 8px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;background:var(--success-bg);color:var(--success);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:10px;background:var(--primary);color:#fff;font-weight:800;border:0;cursor:pointer;transition:.15s ease}
.btn:hover{background:var(--primary2)}
input,select,textarea{width:100%;padding:13px 14px;border:1px solid #d1d5db;border-radius:12px;font-size:15px;background:#f8fafc;color:#111827}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(37,99,235,.22);border-color:#93c5fd}
.app-shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr;background:#f3f6fb}
.sidebar{background:#111827;color:#e5e7eb;min-height:100vh;padding:20px 16px;display:flex;flex-direction:column;gap:16px;position:sticky;top:0}
.sidebar .brand{display:flex;gap:12px;align-items:center;margin-bottom:8px}
.sidebar .avatar{width:42px;height:42px;border-radius:12px;background:#86efac;color:#052e16;font-weight:900;display:grid;place-items:center}
.sidebar h2{font-size:17px;margin:0;color:#fff}.sidebar p{margin:2px 0;color:#a5b4fc;font-size:13px}
.sidebar-group-title{font-size:11px;color:#9ca3af;text-transform:uppercase;letter-spacing:.06em;margin:14px 0 6px}
.sidebar a{display:block;padding:11px 12px;border-radius:10px;color:#e5e7eb;font-weight:650}
.sidebar a.active,.sidebar a:hover{background:#1f2937;color:#fff}
.sidebar .logout{margin-top:auto;background:#2563eb;text-align:center;border-radius:10px;padding:12px}
.main{padding:24px 30px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 10px 30px rgba(15,23,42,.04)}
.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.stat strong{display:block;font-size:26px;color:#2563eb}.stat span{color:#667085}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}th,td{padding:13px;border-bottom:1px solid #eef2f7;text-align:left;font-size:14px}th{font-size:12px;text-transform:uppercase;color:#475569;background:#f8fafc}
.alert-danger{background:var(--danger-bg);color:var(--danger);padding:12px;border-radius:10px;font-weight:800}
.alert-success{background:var(--success-bg);color:var(--success);padding:12px;border-radius:10px;font-weight:800}
@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;min-height:auto}.grid-4,.grid-2{grid-template-columns:1fr}.main{padding:18px}}