:root{--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--bg:#f1f5f9;--surface:#fff;--border:#e2e8f0;--accent:#2563eb;--accent-dark:#1d4ed8;--success:#16a34a;--success-bg:#16a34a26;--danger:#dc2626;--danger-bg:#dc26261f;--shadow-sm:0 1px 3px #0f172a0f;color:var(--text-primary);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:system-ui,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5}@media (prefers-color-scheme:dark){:root{--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--bg:#0f172a;--surface:#1e293b;--border:#334155;--accent:#3b82f6;--accent-dark:#2563eb;--success-bg:#22c55e26;--danger-bg:#f871711f;--shadow-sm:0 1px 3px #00000040}}*,:before,:after{box-sizing:border-box}body{margin:0}#root{min-height:100svh}.app-loader{min-height:100svh;color:var(--text-muted);place-items:center;font-size:.9375rem;display:grid}.app{flex-direction:column;min-height:100svh;display:flex}.app-header{border-bottom:1px solid var(--border);background:var(--surface);padding:1.5rem 2rem}.brand{align-items:center;gap:1rem;display:flex}.brand-mark{background:linear-gradient(135deg, var(--accent), var(--accent-dark));color:#fff;letter-spacing:-.02em;width:3rem;height:3rem;box-shadow:var(--shadow-sm);border-radius:.75rem;place-items:center;font-size:1.25rem;font-weight:700;display:grid}.brand-eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin:0;font-size:.75rem;font-weight:600}.brand h1{letter-spacing:-.02em;color:var(--text-primary);margin:.125rem 0 0;font-size:1.5rem;font-weight:600}.app-main{flex-direction:column;flex:1;gap:1.5rem;width:100%;max-width:42rem;margin:0 auto;padding:2.5rem 2rem 3rem;display:flex}.hero-card,.status-card{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-sm);border-radius:1rem;padding:1.75rem}.hero-card h2{color:var(--text-primary);margin:0 0 .75rem;font-size:1.375rem;font-weight:600}.hero-lead{color:var(--text-secondary);margin:0;font-size:1rem;line-height:1.6}.status-card h3{letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);margin:0 0 1rem;font-size:.8125rem;font-weight:600}.status-row{align-items:center;gap:.875rem;display:flex}.status-dot{border-radius:50%;flex-shrink:0;width:.625rem;height:.625rem}.status-dot--loading{background:var(--text-muted);animation:1.4s ease-in-out infinite pulse}.status-dot--healthy{background:var(--success);box-shadow:0 0 0 3px var(--success-bg)}.status-dot--unhealthy{background:var(--danger);box-shadow:0 0 0 3px var(--danger-bg)}.status-label{color:var(--text-primary);margin:0;font-size:.875rem;font-weight:600}.status-value{color:var(--text-secondary);margin:.125rem 0 0;font-size:.875rem}.app-footer{border-top:1px solid var(--border);text-align:center;padding:1.25rem 2rem}.app-footer p{color:var(--text-muted);margin:0;font-size:.8125rem}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}@media (width<=640px){.app-header,.app-main,.app-footer{padding-left:1.25rem;padding-right:1.25rem}.app-main{padding-top:2rem}.hero-card,.status-card{padding:1.25rem}}