.demo-label { position: fixed; z-index: 10; right: 12px; bottom: 10px; padding: 3px 7px;
    border-radius: 4px; background: #172437; color: #fff; font: 600 10px system-ui; pointer-events: none; }
.demo-note { color: var(--secondary); font-size: 12px; margin: 0 0 14px; }