Update app.R

app.R

@@ -428,6 +428,14 @@ server <- function(input, output,session) {
   output$statsPlot <- renderPlot({
     req(position_value())
 
+    user_agent <- session$request$HTTP_USER_AGENT
+  
+  # Set DPI based on device
+  if(grepl("Mobile|Android|iPhone", user_agent)) {
+    showtext_opts(dpi = 200)  # Mobile devices
+  } else {
+    showtext_opts(dpi = 96)   # Desktop/laptop
+  }
      showtext::showtext_begin()
      on.exit(showtext::showtext_end())