:root{--color-bg: #ffffff;--color-surface: #f7f8fa;--color-surface-2: #eef0f4;--color-border: #e2e5ea;--color-text: #1a1d23;--color-text-muted: #5a6070;--color-text-subtle: #8a92a0;--color-accent: #2563eb;--color-accent-hover: #1d4ed8;--color-accent-light: #eff6ff;--color-critical: #dc2626;--color-critical-bg: #fef2f2;--color-critical-border: #fecaca;--color-high: #ea580c;--color-high-bg: #fff7ed;--color-high-border: #fed7aa;--color-medium: #d97706;--color-medium-bg: #fffbeb;--color-medium-border: #fde68a;--color-low: #65a30d;--color-low-bg: #f7fee7;--color-low-border: #d9f99d;--color-info: #0891b2;--color-info-bg: #ecfeff;--color-info-border: #a5f3fc;--color-pass: #16a34a;--color-pass-bg: #f0fdf4;--color-warn: #ca8a04;--color-warn-bg: #fefce8;--color-fail: #dc2626;--color-fail-bg: #fef2f2;--font-sans: -apple-system, "Segoe UI", system-ui, sans-serif;--font-mono: "Cascadia Code", "Fira Code", "Consolas", "Monaco", monospace;--font-size-xs: 11px;--font-size-sm: 12px;--font-size-base: 14px;--font-size-md: 15px;--font-size-lg: 18px;--font-size-xl: 22px;--font-size-2xl: 28px;--line-height: 1.6;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--header-height: 56px;--sidebar-width: 220px;--content-max: 1100px;--radius: 6px;--radius-lg: 10px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:var(--font-size-base);font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);line-height:var(--line-height);-webkit-font-smoothing:antialiased}body{min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:var(--font-sans);font-size:var(--font-size-base);cursor:pointer;border:none;border-radius:var(--radius);padding:var(--space-2) var(--space-4);transition:background .15s,opacity .15s}button:disabled{opacity:.5;cursor:not-allowed}code,pre{font-family:var(--font-mono);font-size:var(--font-size-sm)}.btn-primary{background:var(--color-accent);color:#fff;font-weight:600;padding:var(--space-2) var(--space-5)}.btn-primary:hover:not(:disabled){background:var(--color-accent-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-surface-2)}.btn-ghost{background:transparent;color:var(--color-accent);border:1px solid var(--color-accent)}.btn-ghost:hover:not(:disabled){background:var(--color-accent-light)}.badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:2px 8px;border-radius:20px;font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.03em}.badge-critical{background:var(--color-critical-bg);color:var(--color-critical);border:1px solid var(--color-critical-border)}.badge-high{background:var(--color-high-bg);color:var(--color-high);border:1px solid var(--color-high-border)}.badge-medium{background:var(--color-medium-bg);color:var(--color-medium);border:1px solid var(--color-medium-border)}.badge-low{background:var(--color-low-bg);color:var(--color-low);border:1px solid var(--color-low-border)}.badge-info{background:var(--color-info-bg);color:var(--color-info);border:1px solid var(--color-info-border)}.badge-fixed{background:var(--color-pass-bg);color:var(--color-pass);border:1px solid var(--color-low-border)}.badge-pass{background:var(--color-pass-bg);color:var(--color-pass);border:1px solid #bbf7d0}.badge-warn{background:var(--color-warn-bg);color:var(--color-warn);border:1px solid #fde68a}.badge-fail{background:var(--color-fail-bg);color:var(--color-fail);border:1px solid var(--color-critical-border)}.card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5);box-shadow:var(--shadow-sm)}.section-title{font-size:var(--font-size-lg);font-weight:700;color:var(--color-text);margin-bottom:var(--space-4)}.text-muted{color:var(--color-text-muted)}.text-subtle{color:var(--color-text-subtle)}.text-mono{font-family:var(--font-mono)}.divider{border:none;border-top:1px solid var(--color-border);margin:var(--space-4) 0}@media (max-width: 700px){:root{--content-max: 100%;--font-size-2xl: 22px;--font-size-xl: 18px}.card{padding:var(--space-4)}}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.skip-link{position:absolute;top:-40px;left:0;background:var(--color-accent);color:#fff;padding:8px 16px;z-index:200;font-size:var(--font-size-sm);border-radius:0 0 var(--radius) 0;transition:top .2s}.skip-link:focus{top:0}.input{width:100%;font-family:var(--font-sans);font-size:var(--font-size-sm);color:var(--color-text);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);padding:7px 10px 7px 30px}.input::placeholder{color:var(--color-text-subtle)}.input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.search-wrap{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:9px;color:var(--color-text-subtle);pointer-events:none;display:flex}.search-clear{position:absolute;right:6px;background:transparent;color:var(--color-text-subtle);padding:2px 5px;font-size:14px;line-height:1}.search-clear:hover{color:var(--color-text)}select.input{padding:7px 10px;cursor:pointer;width:auto}.chip{font-size:var(--font-size-xs);font-weight:600;padding:4px 12px;border-radius:20px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-muted);text-transform:capitalize}.chip:hover:not(:disabled){background:var(--color-surface-2)}.chip-active{background:var(--color-accent);border-color:var(--color-accent);color:#fff}.chip-active:hover:not(:disabled){background:var(--color-accent-hover)}.progress-track{height:6px;background:var(--color-surface-2);border-radius:20px;overflow:hidden}.progress-fill{height:100%;background:var(--color-accent);border-radius:20px;transition:width .4s ease}.progress-fill-done{background:var(--color-pass)}.toast-region{position:fixed;bottom:var(--space-5);right:var(--space-5);z-index:300;display:flex;flex-direction:column;gap:var(--space-2);max-width:340px}.toast{display:flex;align-items:flex-start;gap:var(--space-2);padding:10px 14px;border-radius:var(--radius);border:1px solid var(--color-border);background:var(--color-bg);box-shadow:var(--shadow-md);font-size:var(--font-size-sm);animation:fadeUp .25s ease-out}.toast-success{border-color:var(--color-low-border);background:var(--color-pass-bg);color:var(--color-pass)}.toast-error{border-color:var(--color-critical-border);background:var(--color-critical-bg);color:var(--color-critical)}.toast-info{border-color:var(--color-accent-light);background:var(--color-accent-light);color:var(--color-accent)}.toast-close{background:transparent;color:inherit;opacity:.6;padding:0 2px;font-size:15px;line-height:1}.toast-close:hover{opacity:1}@media (max-width: 700px){.toast-region{left:var(--space-4);right:var(--space-4);max-width:none}}.status-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}.status-dot-online{background:var(--color-pass)}.status-dot-offline{background:var(--color-critical)}.status-dot-checking{background:var(--color-medium);animation:pulse 1.1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}*{scrollbar-width:thin;scrollbar-color:var(--color-border) transparent}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion: no-preference){body{animation:fadeUp .4s ease-out}}