:root{--text-h:#0f172a;--text-muted:#64748b;--bg:#f8fafc;--surface:#fff;--border:#e2e8f0;--accent:#2563eb;color:var(--text-h);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:system-ui,Segoe UI,Roboto,sans-serif;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){:root{--text-h:#f1f5f9;--text-muted:#94a3b8;--bg:#0f172a;--surface:#1e293b;--border:#334155;--accent:#3b82f6}}body{margin:0}#root{min-height:100svh}.app{flex-direction:column;min-height:100svh;display:flex}.app-header{border-bottom:1px solid var(--border);padding:1.5rem 2rem}.app-header h1{color:var(--text-h);margin:0;font-size:1.5rem;font-weight:600}.tagline{color:var(--text-muted);margin:.25rem 0 0;font-size:.95rem}.api-status{margin:.5rem 0 0;font-size:.85rem;font-weight:500}.api-status--loading{color:var(--text-muted)}.api-status--ok{color:#16a34a}.api-status--error{color:#dc2626}.app-main{box-sizing:border-box;flex:1;width:100%;max-width:48rem;margin:0 auto;padding:2rem}.panel h2{color:var(--text-h);margin:0 0 .5rem;font-size:1.125rem;font-weight:600}.hint{color:var(--text-muted);margin:0 0 1rem;font-size:.9rem}.query-form{flex-direction:column;gap:.75rem;display:flex}.query-form textarea{border:1px solid var(--border);width:100%;font:inherit;resize:vertical;background:var(--surface);color:var(--text-h);box-sizing:border-box;border-radius:.5rem;padding:.75rem}.query-form textarea:focus{outline:2px solid var(--accent);outline-offset:1px}.query-form button{font:inherit;background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:.5rem;align-self:flex-start;padding:.5rem 1rem;font-weight:500}.query-form button:disabled{opacity:.5;cursor:not-allowed}