*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-dark: #1d4ed8;--danger: #dc2626;--success: #16a34a;--warning: #d97706;--text: #111827;--text-muted: #6b7280;--border: #e5e7eb;--bg: #f9fafb;--white: #ffffff;--sidebar-w: 220px;--radius: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;color:var(--text);background:var(--bg)}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;border-radius:var(--radius);padding:8px 16px;font-size:14px;font-weight:500;transition:opacity .15s}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-secondary{background:var(--white);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg)}.btn-sm{padding:4px 10px;font-size:13px}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:#1e293b;color:#cbd5e1;display:flex;flex-direction:column;flex-shrink:0;position:fixed;top:0;left:0;bottom:0}.sidebar-logo{padding:20px 16px 16px;font-size:18px;font-weight:700;color:#fff;border-bottom:1px solid #334155}.sidebar-logo span{color:var(--primary)}.sidebar nav{flex:1;padding:12px 0}.sidebar nav a{display:flex;align-items:center;gap:10px;padding:10px 16px;color:#94a3b8;font-weight:500;border-radius:0;transition:background .15s,color .15s}.sidebar nav a:hover,.sidebar nav a.active{background:#334155;color:#fff;text-decoration:none}.sidebar-footer{padding:12px 16px;border-top:1px solid #334155;font-size:13px;color:#64748b}.sidebar-footer button{background:none;color:#94a3b8;padding:4px 0;font-size:13px}.sidebar-footer button:hover{color:#fff}.main{margin-left:var(--sidebar-w);flex:1;padding:32px}.page-header{margin-bottom:24px}.page-header h1{font-size:22px;font-weight:700}.page-header p{color:var(--text-muted);margin-top:4px}.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card+.card{margin-top:16px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.stat-card .stat-value{font-size:28px;font-weight:700;color:var(--primary)}.stat-card .stat-label{color:var(--text-muted);font-size:13px;margin-top:4px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}th{font-weight:600;color:var(--text-muted);font-size:12px;text-transform:uppercase;background:var(--bg)}tr:hover td{background:#f0f9ff}.badge{display:inline-block;padding:2px 8px;border-radius:9999px;font-size:11px;font-weight:600;text-transform:uppercase}.badge-green{background:#dcfce7;color:#15803d}.badge-blue{background:#dbeafe;color:#1d4ed8}.badge-yellow{background:#fef9c3;color:#a16207}.badge-red{background:#fee2e2;color:#b91c1c}.badge-gray{background:#f3f4f6;color:#6b7280}.form-group{margin-bottom:16px}.form-group label{display:block;font-weight:500;margin-bottom:6px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;outline:none;transition:border-color .15s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary)}.form-hint{font-size:12px;color:var(--text-muted);margin-top:4px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--white);border-radius:var(--radius);padding:24px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto}.modal h2{font-size:18px;font-weight:700;margin-bottom:16px}.modal-footer{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:32px;width:100%;max-width:360px}.login-card h1{font-size:22px;font-weight:700;margin-bottom:4px;text-align:center}.login-card p{color:var(--text-muted);text-align:center;margin-bottom:24px;font-size:13px}.alert{padding:10px 14px;border-radius:var(--radius);font-size:13px;margin-bottom:12px}.alert-error{background:#fee2e2;color:#b91c1c}.alert-success{background:#dcfce7;color:#15803d}.alert-info{background:#dbeafe;color:#1d4ed8}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-8{gap:8px}.gap-12{gap:12px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.text-muted{color:var(--text-muted)}.text-sm{font-size:13px}