:root{
  --primary:#ff9d00;--primary-dark:#e78d00;--sidebar:#111827;
  --bg:#f8fafc;--card:#fff;--border:#e5e7eb;--text:#111827;
  --muted:#64748b;--success:#15803d;--danger:#b91c1c
}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}
.sidebar{width:250px;background:var(--sidebar);color:#fff;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:20}
.brand{padding:22px;display:flex;gap:12px;align-items:center;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-mark{width:44px;height:44px;border-radius:13px;background:var(--primary);color:#111827;display:grid;place-items:center;font-weight:900}
.brand small,.sidebar-footer small{display:block;color:#94a3b8;margin-top:3px}.nav{padding:16px;display:grid;gap:7px}
.nav a{padding:12px 14px;border-radius:11px;color:#cbd5e1;font-weight:700}.nav a:hover,.nav a.active{background:var(--primary);color:#111827}
.sidebar-footer{margin-top:auto;padding:18px;border-top:1px solid rgba(255,255,255,.08)}
.sidebar-footer a{display:inline-block;margin-top:12px;color:#fca5a5}.main{margin-left:250px;flex:1;min-width:0}
.topbar{height:74px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:14px;padding:0 24px;position:sticky;top:0;z-index:10}
.topbar strong,.topbar small{display:block}.topbar small{color:var(--muted);font-size:11px;text-transform:uppercase}.topbar-user{margin-left:auto;color:var(--muted);font-weight:700}
.menu-button{display:none;border:0;background:#f1f5f9;border-radius:9px;padding:9px 11px}.content{padding:24px}
.page-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:22px}.page-heading h1{margin:0 0 6px}.page-heading p{margin:0;color:var(--muted)}
.card,.panel,.form-card,.table-card{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:0 8px 24px rgba(15,23,42,.04)}
.card,.panel,.form-card{padding:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.stat span{color:var(--muted);font-size:13px;font-weight:700}.stat strong{display:block;font-size:28px;margin-top:7px}
.form-group{margin-bottom:16px}.form-group label{display:block;font-weight:700;margin-bottom:7px}.form-control{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:10px;font:inherit}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:10px 14px;font-weight:800;cursor:pointer}.btn-primary{background:var(--primary);color:#111827}.btn-light{background:#f1f5f9;color:#0f172a}.btn-danger{background:#fee2e2;color:#991b1b}
.actions{display:flex;gap:8px;flex-wrap:wrap}.alert{padding:13px 15px;border-radius:11px;margin-bottom:18px}.alert-success{background:#dcfce7;color:#166534}.alert-danger{background:#fee2e2;color:#991b1b}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:13px 14px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}th{font-size:12px;color:var(--muted);text-transform:uppercase;background:#f8fafc}
.badge{display:inline-block;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800}.badge-green{background:#dcfce7;color:#166534}.badge-red{background:#fee2e2;color:#991b1b}.badge-blue{background:#dbeafe;color:#1d4ed8}
.qr-box{display:grid;place-items:center;min-height:360px}.camera{width:100%;max-width:420px;background:#0f172a;border-radius:14px;overflow:hidden}.camera video{display:block;width:100%}
.location-box{padding:14px;border:1px dashed #cbd5e1;border-radius:12px;background:#f8fafc;color:var(--muted)}
@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:translateX(0)}
  .main{margin-left:0}.menu-button{display:inline-block}.grid-3,.grid-2{grid-template-columns:1fr}
}