:root{--bg-page:#f1f5f9;--bg-surface:#fff;--bg-sidebar:#0f1729;--bg-topbar:#fff;--text-primary:#0f172a;--text-secondary:#64748b;--text-muted:#94a3b8;--text-on-dark:#e2e8f0;--text-on-dark-muted:#94a3b8;--border:#e2e8f0;--border-strong:#cbd5e1;--accent:#2563eb;--accent-light:#eff6ff;--accent-dark:#1d4ed8;--success:#059669;--success-light:#ecfdf5;--warning:#ea580c;--warning-light:#fff7ed;--danger:#dc2626;--danger-light:#fef2f2;--info:#0891b2;--info-light:#ecfeff;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -2px #0000000d;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--transition:.15s ease;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-page);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.6}#root{min-height:100vh}.app-shell{grid-template-columns:240px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--bg-sidebar);border-right:1px solid #ffffff0f;flex-direction:column;padding:20px 12px;display:flex}.sidebar-brand{border-bottom:1px solid #ffffff14;margin-bottom:12px;padding:4px 8px 20px}.sidebar-brand h2{color:var(--text-on-dark);letter-spacing:-.01em;font-size:16px;font-weight:600}.sidebar-brand p{color:var(--text-on-dark-muted);margin-top:3px;font-size:12px}.sidebar-nav{flex-direction:column;gap:2px;display:flex}.nav-item{border-radius:var(--radius-sm);color:#94a3b8;transition:background var(--transition), color var(--transition);align-items:center;gap:8px;padding:8px 10px;font-size:13.5px;font-weight:450;text-decoration:none;display:flex}.nav-item:hover{color:#e2e8f0;background:#ffffff0f}.nav-item-active{color:#93c5fd;background:#2563eb33}.nav-item-active:hover{color:#93c5fd;background:#2563eb40}.app-main{background:var(--bg-page);flex-direction:column;min-height:100vh;display:flex}.topbar{border-bottom:1px solid var(--border);background:var(--bg-topbar);z-index:10;height:56px;box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:0 20px;display:flex;position:sticky;top:0}.topbar-group{align-items:center;gap:12px;display:flex}.main-content{flex:1;padding:24px 20px}.stack{flex-direction:column;gap:16px;display:flex}.stack-sm{flex-direction:column;gap:10px;display:flex}.two-col{grid-template-columns:2fr 1fr;gap:14px;display:grid}.three-col{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:18px 20px}.card h3{color:var(--text-primary);margin-bottom:14px;font-size:14px;font-weight:600}.page-header{padding-bottom:4px}.page-header h1{color:var(--text-primary);letter-spacing:-.02em;font-size:20px;font-weight:600}.page-header p{color:var(--text-secondary);margin-top:4px;font-size:13.5px}label{color:var(--text-secondary);align-items:center;gap:6px;font-size:13px;display:flex}select,input{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--bg-surface);color:var(--text-primary);transition:border-color var(--transition), box-shadow var(--transition);outline:none;padding:5px 9px;font-family:inherit;font-size:13px}select:focus,input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1a}.ghost-button{border:1px solid var(--border-strong);background:var(--bg-surface);border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;transition:background var(--transition), border-color var(--transition), color var(--transition);align-items:center;gap:6px;padding:6px 12px;font-family:inherit;font-size:13px;display:inline-flex}.ghost-button:hover{border-color:var(--accent);color:var(--accent);background:#f8fafc}.tab-active{background:var(--accent-light);border-color:var(--accent);color:var(--accent);font-weight:500}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.table{border-collapse:collapse;width:100%}.table th{border-bottom:2px solid var(--border);text-align:left;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;padding:8px 10px;font-size:12px;font-weight:600}.table td{border-bottom:1px solid var(--border);padding:10px;font-size:13.5px}.table tbody tr{cursor:pointer;transition:background var(--transition)}.table tbody tr:hover{background:#f8fafc}.table tbody tr:last-child td{border-bottom:none}.badge{letter-spacing:.03em;border-radius:999px;align-items:center;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.badge-critical{color:#7f1d1d;background:#fee2e2;border:1px solid #fca5a5}.badge-high{color:#7c2d12;background:#ffedd5;border:1px solid #fdba74}.badge-medium{color:#713f12;background:#fef9c3;border:1px solid #fde047}.badge-low{color:#1e40af;background:#dbeafe;border:1px solid #93c5fd}.badge-info{color:#334155;background:#f1f5f9;border:1px solid #cbd5e1}.code-block{color:#e2e8f0;border-radius:var(--radius-md);background:#0f172a;margin:0;padding:14px 16px;font-family:Fira Code,Cascadia Code,JetBrains Mono,monospace;font-size:12.5px;line-height:1.65;overflow:auto}.muted{color:var(--text-secondary);font-size:13px}.chart-wrap{width:100%;height:280px}.nested-panel{border:1px dashed var(--border-strong);border-radius:var(--radius-md);background:var(--bg-page);margin-top:10px;padding:12px}.timeline{gap:10px;margin:0;padding-left:20px;display:grid}.simple-list{gap:8px;margin:0;padding-left:20px;display:grid}.form-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.status-pill{letter-spacing:.02em;border-radius:999px;align-items:center;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.status-pill-ok{color:var(--success);background:var(--success-light);border:1px solid #a7f3d0}.status-pill-warn{color:var(--warning);background:var(--warning-light);border:1px solid #fdba74}.status-text{color:var(--text-secondary);font-size:12px}@media (width<=1100px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.card-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col,.three-col,.form-grid{grid-template-columns:1fr}}