:root{--primary:#1e3a8a;--primary-hover:#1e40af;--primary-light:#eff6ff;--secondary:#0f172a;--accent-green:#10b981;--accent-green-bg:#ecfdf5;--accent-red:#ef4444;--accent-red-bg:#fef2f2;--accent-amber:#f59e0b;--accent-amber-bg:#fffbeb;--border:#e2e8f0;--bg-main:#f8fafc;--card-bg:#fff;--text-main:#1e293b;--text-muted:#64748b;--sidebar-w:250px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}.app-container{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-w);color:#e2e8f0;z-index:100;background:#0f172a;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0;box-shadow:2px 0 8px #0000001a}.sidebar-header{border-bottom:1px solid #ffffff14;align-items:center;gap:12px;padding:20px 24px;display:flex}.brand-badge{color:#fff;background:#3b82f6;border-radius:8px;padding:6px 10px;font-size:14px;font-weight:800}.brand-title{color:#fff;font-size:16px;font-weight:700}.brand-sub{color:#94a3b8;font-size:11px}.sidebar-nav{flex:1;padding:16px 12px;overflow-y:auto}.nav-section-title{text-transform:uppercase;color:#64748b;letter-spacing:.5px;padding:8px 12px;font-size:11px;font-weight:700}.nav-link{color:#94a3b8;border-radius:8px;align-items:center;gap:12px;margin-bottom:4px;padding:10px 14px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-link:hover{color:#fff;background:#ffffff0f}.nav-link.active{color:#fff;background:#2563eb;font-weight:600}.main-content{margin-left:var(--sidebar-w);flex-direction:column;flex:1;min-height:100vh;display:flex}.topbar{border-bottom:1px solid var(--border);z-index:90;background:#fff;justify-content:space-between;align-items:center;height:64px;padding:0 28px;display:flex;position:sticky;top:0}.page-body{flex:1;padding:28px}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.page-title{color:var(--secondary);font-size:22px;font-weight:700}.page-subtitle{color:var(--text-muted);font-size:13.5px}.card{border:1px solid var(--border);background:#fff;border-radius:12px;margin-bottom:24px;padding:24px;box-shadow:0 1px 3px #00000005}.filter-bar{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:20px;display:flex}.search-input-wrapper{flex:1;min-width:250px;position:relative}.form-control{border:1px solid var(--border);background:#fff;border-radius:8px;outline:none;width:100%;padding:9px 14px;font-size:14px;transition:border-color .2s}.form-control:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f626}.table-responsive{border:1px solid var(--border);border-radius:8px;overflow-x:auto}.data-table{border-collapse:collapse;text-align:left;width:100%;font-size:13.5px}.data-table th{color:var(--secondary);border-bottom:1px solid var(--border);background:#f8fafc;padding:12px 16px;font-weight:600}.data-table td{border-bottom:1px solid var(--border);vertical-align:middle;padding:14px 16px}.data-table tr:hover{background-color:#f8fafc}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:9px 16px;font-size:13.5px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{color:#fff;background:#2563eb}.btn-primary:hover{background:#1d4ed8}.btn-secondary,.btn-outline{border:1px solid var(--border);color:var(--text-main);background:#fff}.btn-secondary:hover,.btn-outline:hover{background:#f1f5f9}.btn-sm{border-radius:6px;padding:5px 10px;font-size:12px}.btn-danger{color:#fff;background:#ef4444}.btn-danger:hover{background:#dc2626}.btn-icon{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;background:#fff;border-radius:6px;padding:6px}.btn-icon:hover{color:#2563eb;border-color:#bfdbfe}.badge{border-radius:6px;align-items:center;gap:4px;padding:3px 8px;font-size:11.5px;font-weight:600;display:inline-flex}.badge-success{background:var(--accent-green-bg);color:#065f46}.badge-danger{background:var(--accent-red-bg);color:#991b1b}.badge-blue{background:var(--primary-light);color:#1d4ed8}.badge-warning{color:#b45309;background:#fef3c7}.badge-purple{color:#7e22ce;background:#f3e8ff}.badge-gray{color:#475569;background:#f1f5f9}.form-group{margin-bottom:18px}.form-label{color:var(--secondary);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.form-label.required:after{content:" *";color:var(--accent-red)}.tabs-nav{border-bottom:1px solid var(--border);gap:8px;margin-bottom:24px;display:flex}.tab-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:10px 18px;font-size:14px;font-weight:600;transition:all .2s}.tab-btn.active{color:#2563eb;border-bottom-color:#2563eb}.modal-overlay{z-index:1000;background:#0f172a80;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content,.modal-container{background:#fff;border-radius:12px;width:100%;max-width:550px;overflow:hidden;box-shadow:0 20px 25px -5px #0003}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.modal-body{max-height:80vh;padding:24px;overflow-y:auto}.modal-footer{border-top:1px solid var(--border);background:#f8fafc;justify-content:flex-end;gap:12px;padding:16px 24px;display:flex}