diff --git a/.gitignore b/.gitignore
index f934af5..989b92d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,6 +37,7 @@ yarn-error.log*
 # env files (can opt-in for committing if needed)
 .env*
 !.env.example
+env.local
 
 # vercel
 .vercel
@@ -49,11 +50,11 @@ next-env.d.ts
 /papers/*
 !/papers/.gitkeep
 !/papers/README.md
-
-# local scratch / extracted archives
-/brand-assets-zip/
-/src-zip/
-
-# ssh keys (never commit)
-id_*
-*.pub
+
+# local scratch / extracted archives
+/brand-assets-zip/
+/src-zip/
+
+# ssh keys (never commit)
+id_*
+*.pub
diff --git a/src/components/calendar/personal-event-dialog.tsx b/src/components/calendar/personal-event-dialog.tsx
index 87f3b07..a41e0df 100644
--- a/src/components/calendar/personal-event-dialog.tsx
+++ b/src/components/calendar/personal-event-dialog.tsx
@@ -115,7 +115,13 @@ export function PersonalEventDialog({
 
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
-      <DialogContent>
+      <DialogContent
+        // Only the X button or Escape should close this form. Ignoring
+        // outside pointer/interaction events keeps a stray click (or a
+        // click-injecting browser extension) from dismissing it mid-edit.
+        onPointerDownOutside={(e) => e.preventDefault()}
+        onInteractOutside={(e) => e.preventDefault()}
+      >
         <DialogHeader>
           <DialogTitle>{event ? "Edit event" : "Add event"}</DialogTitle>
         </DialogHeader>
diff --git a/src/components/map/user-home-dialog.tsx b/src/components/map/user-home-dialog.tsx
index 8e74356..30fdcea 100644
--- a/src/components/map/user-home-dialog.tsx
+++ b/src/components/map/user-home-dialog.tsx
@@ -114,7 +114,13 @@ export function UserHomeDialog({
 
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
-      <DialogContent>
+      <DialogContent
+        // Only the X button or Escape should close this form. Ignoring
+        // outside pointer/interaction events keeps a stray click (or a
+        // click-injecting browser extension) from dismissing it mid-edit.
+        onPointerDownOutside={(e) => e.preventDefault()}
+        onInteractOutside={(e) => e.preventDefault()}
+      >
         <DialogHeader>
           <DialogTitle>{home ? "Edit home location" : "Set home location"}</DialogTitle>
         </DialogHeader>
diff --git a/src/components/map/user-place-dialog.tsx b/src/components/map/user-place-dialog.tsx
index 7663c9b..6c6abb9 100644
--- a/src/components/map/user-place-dialog.tsx
+++ b/src/components/map/user-place-dialog.tsx
@@ -153,7 +153,13 @@ export function UserPlaceDialog({
 
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
-      <DialogContent>
+      <DialogContent
+        // Only the X button or Escape should close this form. Ignoring
+        // outside pointer/interaction events keeps a stray click (or a
+        // click-injecting browser extension) from dismissing it mid-edit.
+        onPointerDownOutside={(e) => e.preventDefault()}
+        onInteractOutside={(e) => e.preventDefault()}
+      >
         <DialogHeader>
           <DialogTitle>{place ? "Edit place" : "Add place"}</DialogTitle>
         </DialogHeader>
diff --git a/src/components/ui/dialog.tsx b/src/components/ui/dialog.tsx
index d9aecca..ac86ada 100644
--- a/src/components/ui/dialog.tsx
+++ b/src/components/ui/dialog.tsx
@@ -39,7 +39,10 @@ function DialogOverlay({
     <DialogPrimitive.Overlay
       data-slot="dialog-overlay"
       className={cn(
-        "fixed inset-0 isolate z-50 bg-black/10 duration-100 supports-backdrop-filter:backdrop-blur-xs data-open:animate-in data-open:fade-in-0 data-closed:animate-out data-closed:fade-out-0",
+        // z-index must clear the Leaflet map pane (z-400) and controls
+        // (z-1000) plus the app's own layers (mobile sheet z-1100); otherwise
+        // the map paints over the dialog as its tiles load.
+        "fixed inset-0 isolate z-[1200] bg-black/10 duration-100 supports-backdrop-filter:backdrop-blur-xs data-open:animate-in data-open:fade-in-0 data-closed:animate-out data-closed:fade-out-0",
         className
       )}
       {...props}
@@ -61,7 +64,9 @@ function DialogContent({
       <DialogPrimitive.Content
         data-slot="dialog-content"
         className={cn(
-          "fixed top-1/2 left-1/2 z-50 grid w-full max-w-[calc(100%-2rem)] -translate-x-1/2 -translate-y-1/2 gap-4 rounded-xl bg-popover p-4 text-sm text-popover-foreground ring-1 ring-foreground/10 duration-100 outline-none sm:max-w-sm data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95",
+          // Sits one above the overlay (z-1200) so it clears the Leaflet map
+          // pane, map controls, and the mobile sheet. See DialogOverlay.
+          "fixed top-1/2 left-1/2 z-[1201] grid w-full max-w-[calc(100%-2rem)] -translate-x-1/2 -translate-y-1/2 gap-4 rounded-xl bg-popover p-4 text-sm text-popover-foreground ring-1 ring-foreground/10 duration-100 outline-none sm:max-w-sm data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95",
           className
         )}
         {...props}
diff --git a/src/components/ui/dropdown-menu.tsx b/src/components/ui/dropdown-menu.tsx
index c263ad5..d060472 100644
--- a/src/components/ui/dropdown-menu.tsx
+++ b/src/components/ui/dropdown-menu.tsx
@@ -43,7 +43,7 @@ function DropdownMenuContent({
         data-slot="dropdown-menu-content"
         sideOffset={sideOffset}
         align={align}
-        className={cn("z-50 max-h-(--radix-dropdown-menu-content-available-height) w-(--radix-dropdown-menu-trigger-width) min-w-32 origin-(--radix-dropdown-menu-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-lg bg-popover p-1 text-popover-foreground shadow-md ring-1 ring-foreground/10 duration-100 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 data-[state=closed]:overflow-hidden data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95", className )}
+        className={cn("z-[1300] max-h-(--radix-dropdown-menu-content-available-height) w-(--radix-dropdown-menu-trigger-width) min-w-32 origin-(--radix-dropdown-menu-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-lg bg-popover p-1 text-popover-foreground shadow-md ring-1 ring-foreground/10 duration-100 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 data-[state=closed]:overflow-hidden data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95", className )}
         {...props}
       />
     </DropdownMenuPrimitive.Portal>
@@ -244,7 +244,7 @@ function DropdownMenuSubContent({
   return (
     <DropdownMenuPrimitive.SubContent
       data-slot="dropdown-menu-sub-content"
-      className={cn("z-50 min-w-[96px] origin-(--radix-dropdown-menu-content-transform-origin) overflow-hidden rounded-lg bg-popover p-1 text-popover-foreground shadow-lg ring-1 ring-foreground/10 duration-100 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95", className )}
+      className={cn("z-[1300] min-w-[96px] origin-(--radix-dropdown-menu-content-transform-origin) overflow-hidden rounded-lg bg-popover p-1 text-popover-foreground shadow-lg ring-1 ring-foreground/10 duration-100 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95", className )}
       {...props}
     />
   )
diff --git a/src/components/ui/select.tsx b/src/components/ui/select.tsx
index f09dfb4..d9d8e05 100644
--- a/src/components/ui/select.tsx
+++ b/src/components/ui/select.tsx
@@ -69,7 +69,7 @@ function SelectContent({
       <SelectPrimitive.Content
         data-slot="select-content"
         data-align-trigger={position === "item-aligned"}
-        className={cn("relative z-50 max-h-(--radix-select-content-available-height) min-w-36 origin-(--radix-select-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-lg bg-popover text-popover-foreground shadow-md ring-1 ring-foreground/10 duration-100 data-[align-trigger=true]:animate-none data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95", position ==="popper"&&"data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1", className )}
+        className={cn("relative z-[1300] max-h-(--radix-select-content-available-height) min-w-36 origin-(--radix-select-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-lg bg-popover text-popover-foreground shadow-md ring-1 ring-foreground/10 duration-100 data-[align-trigger=true]:animate-none data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95", position ==="popper"&&"data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1", className )}
         position={position}
         align={align}
         {...props}