Create Placeholder Message UI

Generates a centered placeholder message for empty or loading states in the Shiny UI. Useful for displaying instructions or status messages when no data is available.

Usage

ui_placeholder(title, message)

Arguments

title

Character string for heading text

message

Character string for body text

Value

shiny.tag div element with centered, styled placeholder content

Examples

if (FALSE) { # \dontrun{
output$map_placeholder <- renderUI({
  ui_placeholder("No Data Selected", "Please select species from the filter menu.")
})
} # }