:root{--bg: #f4f6f9;--card: #ffffff;--border: #e2e8f0;--text: #1e293b;--muted: #64748b;--primary: #2563eb;--primary-dark: #1d4ed8;--danger: #dc2626;--success: #16a34a;--warn: #d97706;--shadow: 0 1px 3px rgba(0, 0, 0, .08)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:#0f172a;color:#cbd5e1;padding:16px 0;flex-shrink:0}.sidebar .brand{font-size:16px;font-weight:700;color:#fff;padding:8px 20px 16px}.sidebar nav a{display:block;padding:10px 20px;color:#cbd5e1;font-size:14px}.sidebar nav a:hover{background:#1e293b;text-decoration:none}.sidebar nav a.active{background:var(--primary);color:#fff}.sidebar .section{font-size:11px;text-transform:uppercase;color:#64748b;padding:14px 20px 6px;letter-spacing:.5px}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{background:var(--card);border-bottom:1px solid var(--border);padding:12px 24px;display:flex;justify-content:space-between;align-items:center}.topbar .user{color:var(--muted);font-size:13px}.content{padding:24px;flex:1}.card{background:var(--card);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);padding:20px;margin-bottom:20px}.card h2{margin:0 0 14px;font-size:16px}.page-title{font-size:22px;font-weight:700;margin:0 0 18px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:6px;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;font-size:14px}.btn:hover{background:#f1f5f9}.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn.primary:hover{background:var(--primary-dark)}.btn.danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn.sm{padding:4px 10px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--primary)}.field{margin-bottom:14px}.row{display:flex;gap:14px;flex-wrap:wrap}.row>.field{flex:1;min-width:160px}.stepper{display:inline-flex;align-items:center;gap:6px}.stepper input{width:64px;text-align:center}.stepper button{width:30px;height:32px;padding:0}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}th{background:#f8fafc;font-weight:600;color:var(--muted);-webkit-user-select:none;user-select:none}th.sortable{cursor:pointer}th.sortable:hover{color:var(--text)}tbody tr:hover{background:#f8fafc}.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:12px;flex-wrap:wrap}.toolbar .search{width:260px}.chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}.chip{background:#e0e7ff;color:#3730a3;padding:3px 8px;border-radius:12px;font-size:12px;display:inline-flex;gap:6px;align-items:center}.chip button{border:none;background:none;cursor:pointer;color:#3730a3;font-weight:700}.filter-pop{position:relative}.filter-menu{position:absolute;z-index:20;background:#fff;border:1px solid var(--border);border-radius:6px;box-shadow:var(--shadow);padding:8px;min-width:180px;max-height:260px;overflow:auto}.filter-menu label{display:flex;align-items:center;gap:6px;color:var(--text);margin:2px 0;cursor:pointer}.filter-menu input[type=checkbox]{width:auto}.pagination{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-top:12px;color:var(--muted)}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:600}.badge.green{background:#dcfce7;color:#166534}.badge.amber{background:#fef3c7;color:#92400e}.badge.gray{background:#e2e8f0;color:#475569}.badge.red{background:#fee2e2;color:#991b1b}.badge.blue{background:#dbeafe;color:#1e40af}.muted{color:var(--muted)}.error{color:var(--danger);font-size:13px;margin:8px 0}.success{color:var(--success);font-size:13px;margin:8px 0}.center{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{width:340px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media (max-width: 900px){.grid-2{grid-template-columns:1fr}}.collapsible-header{cursor:pointer;display:flex;justify-content:space-between;align-items:center}.link-btn{background:none;border:none;color:var(--primary);cursor:pointer;padding:0;font-size:13px}