InteractionsURL copied

• Zoom with mouse wheel or the +/− buttons.
• Pan by dragging (mouse or touch).
• Reset zoom with the Reset button.
• Fullscreen with the ⛶ button.

The controls are wired to JavaScript functions in vyasa/static/scripts.js:

• openMermaidFullscreen(id): Creates modal with close button and ESC key handler
• resetMermaidZoom(id): Resets transform to translate(0px, 0px) scale(1)
• zoomMermaidIn(id) / zoomMermaidOut(id): Adjusts scale by 1.1x / 0.9x factors