Appearance
- Popup Theme: Modern (2026) or Legacy (Fancybox).
- Show Field Icons / Labels: Toggle icons and visible labels on the modern theme.
- Accent Color: Brand accent used for badge, icons, and highlights (default site blue).
- Popup Background / Heading / Body Text: Color controls for the modern panel.
- Popup Corner Radius: Rounded corners for the dialog.
- Overlay Opacity (%) / Overlay Blur (px): Dim and blur the page behind the modal.