Drag-and-drop library with 13+ field types. Each element is configurable (label, required, tooltip, description, values, advanced config). Elements are reorderable by drag.

Mathematical formula editor referencing element keys. Live preview with test values. Real-time syntax validation. Supports label, prefix/suffix, decimals, and minimum value.

Conditional rule editor. Each rule has conditions (if X equals Y) and actions (show/hide element, add price surcharge, validation message). AND/OR logic configurable.

Visual customization panel: primary color, accent color, font, border radius, spacing, shadows. Changes reflect instantly in the live preview panel.

Link the calculator to “All products” or “Specific products” with search against the Shopify Admin API. Product thumbnails and titles displayed for easy selection.

Quote form configuration: title, subtitle, CTA button text, optional fields (phone, company, message), GDPR consent, quote numbering prefix, notification email.