:root{
  --bg:#0b1020; --panel:#11172b; --panel-2:#161d36; --border:#1f2849;
  --text:#e7ecff; --muted:#8893b8; --primary:#6366f1; --primary-2:#8b5cf6;
  --success:#10b981; --danger:#ef4444; --warning:#f59e0b;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Inter,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.app{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,var(--panel) 0%,#0d1326 100%);border-right:1px solid var(--border);padding:22px 14px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 18px;border-bottom:1px solid var(--border);margin-bottom:14px}
.brand .logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-2));display:grid;place-items:center;font-weight:800}
.brand h1{font-size:16px;margin:0;letter-spacing:.2px}
.brand small{color:var(--muted);font-size:11px}
.nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--muted);font-weight:500;font-size:14px}
.nav a:hover{background:var(--panel-2);color:var(--text)}
.nav a.active{background:linear-gradient(135deg,rgba(99,102,241,.18),rgba(139,92,246,.18));color:#fff;border:1px solid rgba(99,102,241,.35)}
.main{padding:26px 32px;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.topbar h2{margin:0;font-size:22px}
.user-chip{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:13px;color:var(--muted)}
.user-chip strong{color:var(--text)}
.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.stat .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.6px}
.stat .value{font-size:30px;font-weight:700;margin-top:6px}
.stat .delta{font-size:12px;color:var(--muted);margin-top:6px}
.btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border:none;border-radius:10px;padding:10px 16px;font-weight:600;font-size:14px;cursor:pointer;transition:transform .08s ease}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:var(--panel-2);border:1px solid var(--border)}
.btn.danger{background:rgba(239,68,68,.12);color:#fecaca;border:1px solid rgba(239,68,68,.35)}
.btn.danger:hover{background:rgba(239,68,68,.2)}
.btn.sm{padding:6px 10px;font-size:12px}
.input,.select,.textarea{width:100%;background:var(--panel-2);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:10px 12px;font:inherit;outline:none}
.input:focus,.select:focus,.textarea:focus{border-color:var(--primary)}
.label{display:block;color:var(--muted);font-size:12px;margin-bottom:6px;text-transform:uppercase;letter-spacing:.4px}
.field{margin-bottom:14px}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row > *{flex:1;min-width:200px}
table{width:100%;border-collapse:separate;border-spacing:0}
th,td{padding:12px 14px;text-align:left;font-size:14px;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.6px;font-weight:600}
tr:hover td{background:rgba(255,255,255,.02)}
.badge{display:inline-block;padding:3px 8px;border-radius:999px;font-size:11px;font-weight:600;background:var(--panel-2);color:var(--muted);border:1px solid var(--border)}
.badge.admin{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));border:none}
.badge.doctor{color:#34d399;border-color:rgba(52,211,153,.4)}
.badge.company{color:#fbbf24;border-color:rgba(251,191,36,.4)}
.alert{padding:12px 14px;border-radius:10px;border:1px solid var(--border);margin-bottom:16px;font-size:14px}
.alert.error{background:rgba(239,68,68,.1);border-color:rgba(239,68,68,.4);color:#fecaca}
.alert.success{background:rgba(16,185,129,.1);border-color:rgba(16,185,129,.4);color:#a7f3d0}
.auth{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(1200px 600px at 30% -10%,rgba(99,102,241,.25),transparent 60%),radial-gradient(900px 500px at 90% 110%,rgba(139,92,246,.2),transparent 60%),var(--bg)}
.auth .card{width:100%;max-width:420px}
.auth h2{margin:0 0 6px}
.auth p.sub{color:var(--muted);margin:0 0 18px;font-size:14px}
.muted{color:var(--muted)}
.cert-id{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--panel-2);padding:3px 8px;border-radius:6px;font-size:12px}

/* Doctors module */
.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.page-head h2{margin:0;font-size:24px}
.actions{display:flex;align-items:center;gap:8px}
.table-wrap{width:100%;overflow-x:auto}
.empty{padding:28px;text-align:center;color:var(--muted)}

@media (max-width: 880px){
  .app{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto;border-right:none;border-bottom:1px solid var(--border)}
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
  .main{padding:18px}
  .page-head{align-items:flex-start;flex-direction:column}
}