:root{--bg-main:#f8fafc;--bg-panel:#fff;--bg-muted:#f1f5f9;--text-primary:#1e293b;--text-secondary:#64748b;--border-light:#e2e8f0;--accent-blue:#4a90e2;--accent-hover:#357abd;--shadow-sm:0 1px 3px #0000001a;--shadow-md:0 4px 6px -1px #0000001a}body{background-color:var(--bg-main);color:var(--text-primary);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.vis-tooltip{visibility:hidden;-webkit-backdrop-filter:blur(2px);border:1px solid var(--border-light);box-shadow:var(--shadow-md);z-index:9999;pointer-events:none;color:var(--text-primary);background-color:#0000001a;border-radius:8px;padding:.2rem;position:absolute}