*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f4f6f9;--sidebar-bg:#1a1d23;--sidebar-text:#a0aec0;--sidebar-active:#fff;--sidebar-hover:#2d3748;--accent:#3b82f6;--accent-dark:#2563eb;--danger:#ef4444;--success:#22c55e;--warning:#f59e0b;--card-bg:#fff;--border:#e2e8f0;--text:#1e293b;--text-muted:#64748b;--radius:8px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000a}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}#root{text-align:left;border:none;width:100%;max-width:100%;min-height:100vh}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit;font-size:14px}input,select,textarea{font-family:inherit;font-size:14px}.layout{min-height:100vh;display:flex}.sidebar{background:var(--sidebar-bg);z-index:100;flex-direction:column;width:220px;min-height:100vh;display:flex;position:fixed;top:0;left:0}.sidebar-logo{color:#fff;border-bottom:1px solid #2d3748;padding:20px 16px 16px;font-size:16px;font-weight:700}.sidebar-logo span{color:var(--accent)}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:12px 8px;display:flex}.nav-item{color:var(--sidebar-text);border-radius:6px;align-items:center;gap:10px;padding:9px 12px;font-size:13.5px;transition:all .15s;display:flex}.nav-item:hover{background:var(--sidebar-hover);color:var(--sidebar-active)}.nav-item.active{background:var(--accent);color:#fff}.nav-icon{text-align:center;width:20px;font-size:16px}.sidebar-footer{border-top:1px solid #2d3748;padding:16px}.sidebar-user{color:var(--sidebar-text);font-size:12px}.sidebar-user strong{color:#fff;font-size:13px;display:block}.btn-logout{color:var(--sidebar-text);background:0 0;border:1px solid #2d3748;border-radius:6px;width:100%;margin-top:8px;padding:6px 12px;transition:all .15s}.btn-logout:hover{background:var(--danger);color:#fff;border-color:var(--danger)}.main{flex:1;margin-left:220px}.topbar{background:var(--card-bg);border-bottom:1px solid var(--border);align-items:center;height:56px;padding:0 24px;display:flex}.topbar-title{font-size:16px;font-weight:600}.page-content{padding:24px}.card{background:var(--card-bg);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow)}.card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.card-title{font-size:14px;font-weight:600}.card-body{padding:20px}.stats-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:12px}.stat-value{margin-top:4px;font-size:26px;font-weight:700}.stat-sub{color:var(--text-muted);margin-top:2px;font-size:12px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%}th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px;border-bottom:2px solid var(--border);white-space:nowrap;background:#fafafa;padding:10px 16px;font-size:12px;font-weight:600}td{border-bottom:1px solid var(--border);vertical-align:middle;padding:11px 16px}tr:last-child td{border-bottom:none}tr:hover td{background:#f8fafc}.btn{white-space:nowrap;border:none;border-radius:6px;align-items:center;gap:6px;padding:7px 14px;font-weight:500;transition:all .15s;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#16a34a}.btn-warning{background:var(--warning);color:#fff}.btn-warning:hover{background:#d97706}.btn-outline{color:var(--text);border:1px solid var(--border);background:0 0}.btn-outline:hover{background:var(--bg)}.btn-sm{padding:5px 10px;font-size:12px}.btn-xs{padding:3px 8px;font-size:11px}.btn:disabled{opacity:.5;cursor:not-allowed}.badge{border-radius:12px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-block}.badge-green{color:#15803d;background:#dcfce7}.badge-red{color:#b91c1c;background:#fee2e2}.badge-yellow{color:#b45309;background:#fef3c7}.badge-blue{color:#1d4ed8;background:#dbeafe}.badge-gray{color:#475569;background:#f1f5f9}.form-group{margin-bottom:16px}.form-label{margin-bottom:6px;font-size:13px;font-weight:500;display:block}.form-control{border:1px solid var(--border);background:#fff;border-radius:6px;outline:none;width:100%;padding:8px 12px;transition:border .15s}.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px #3b82f626}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.modal-overlay{z-index:1000;background:#00000073;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{border-radius:var(--radius);background:#fff;width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0003}.modal-lg{max-width:680px}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-title{font-size:15px;font-weight:600}.modal-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:2px 6px;font-size:20px;line-height:1}.modal-close:hover{background:var(--bg)}.modal-body{padding:20px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:8px;padding:16px 20px;display:flex}.toolbar{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;display:flex}.search-input{border:1px solid var(--border);border-radius:6px;outline:none;width:240px;padding:7px 12px}.search-input:focus{border-color:var(--accent)}.alert{border-radius:6px;margin-bottom:16px;padding:12px 16px;font-size:13px}.alert-error{color:#b91c1c;background:#fee2e2;border:1px solid #fecaca}.alert-success{color:#15803d;background:#dcfce7;border:1px solid #bbf7d0}.alert-info{color:#1d4ed8;background:#dbeafe;border:1px solid #bfdbfe}.login-wrap{background:var(--sidebar-bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-box{background:#fff;border-radius:12px;width:100%;max-width:380px;padding:36px;box-shadow:0 20px 60px #0000004d}.login-logo{text-align:center;margin-bottom:28px;font-size:22px;font-weight:700}.login-logo span{color:var(--accent)}.qr-wrap{text-align:center;padding:16px 0}.qr-wrap img{border:3px solid var(--border);border-radius:8px;max-width:200px}.pagination{color:var(--text-muted);justify-content:flex-end;align-items:center;gap:8px;margin-top:16px;font-size:13px;display:flex}.pagination button{border:1px solid var(--border);background:#fff;border-radius:6px;padding:5px 11px;font-size:13px}.pagination button:hover:not(:disabled){background:var(--bg)}.pagination button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.pagination button:disabled{opacity:.4;cursor:not-allowed}.text-muted{color:var(--text-muted)}.font-mono{background:var(--bg);border-radius:4px;padding:2px 6px;font-family:SF Mono,Fira Code,monospace;font-size:12px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.flex{display:flex}.gap-2{gap:8px}.items-center{align-items:center}.justify-between{justify-content:space-between}.truncate{text-overflow:ellipsis;white-space:nowrap;max-width:200px;display:inline-block;overflow:hidden}.spin{animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;color:var(--text-muted);padding:48px}.empty-state .empty-icon{margin-bottom:8px;font-size:40px}.empty-state p{margin-top:4px;font-size:13px}.section-gap{margin-bottom:24px}