feat(ui): add late join tgui menu

code/modules/mob/new_player/new_player.dm

@@ -9,6 +9,8 @@
 	var/totalPlayers = 0
 	var/totalPlayersReady = 0
 	var/datum/browser/panel
+	/// Track if we've shown the Ctrl+Click tip
+	var/shown_ctrl_tip = FALSE
 	universal_speak = 1
 
 	invisibility = 101
@@ -40,7 +42,7 @@
 
 	else
 		output += "<a href='byond://?src=[REF(src)];manifest=1'>View the Crew Manifest</A><br><br>"
-		output += "<p><a href='byond://?src=[REF(src)];late_join=1'>Join Game!</A></p>"
+		output += "<p><a href='byond://?src=[REF(src)];late_join=1' onclick='var e = window.event || event; if(e && e.ctrlKey) { window.location=\"byond://?src=[REF(src)];late_join=1;force_legacy=1\"; return false; } return true;'>Join Game!</A> "
 
 	output += "<p><a href='byond://?src=[REF(src)];observe=1'>Observe</A></p>"
 
@@ -173,6 +175,9 @@
 			return 1
 
 	if(href_list["late_join"])
+		// Ctrl+Click forces legacy UI
+		var/force_legacy = href_list["force_legacy"] ? TRUE : FALSE
+
 		if(!SSticker.IsRoundInProgress())
 			to_chat(usr, span_red("The round is either not ready, or has already finished..."))
 			return
@@ -227,7 +232,15 @@
 				tgui_alert(src, "The server is full!", "Oh No!")
 				return TRUE
 
-		LateChoices()
+		// Choose UI based on button clicked or auto-detection
+		if(!force_legacy && use_tgui_latejoin())
+			// Show tip once about Ctrl+Click
+			if(!shown_ctrl_tip)
+				shown_ctrl_tip = TRUE
+				to_chat(src, span_notice("Tip: You can use Ctrl+Click on 'Join Game!' to open the legacy interface, if TGUI menu does not show."))
+			ui_interact(src)  // Try TGUI first
+		else
+			LateChoices()  // Fallback to legacy
 
 	if(href_list["manifest"])
 		show_manifest(src, nano_state = GLOB.interactive_state)
@@ -312,19 +325,26 @@
 		return FALSE
 	if(jobban_isbanned(src.ckey,rank))
 		return FALSE
+	// Check setup restrictions (e.g., Church jobs require specific setup options)
+	if(client && client.prefs && job.is_restricted(client.prefs))
+		return FALSE
 	return TRUE
 
 /mob/new_player/proc/AttemptLateSpawn(rank, spawning_at)
 	if(src != usr)
 		return FALSE
+	return LateSpawn(rank)
+
+// Shared late spawn logic (used by both legacy Topic and TGUI)
+/mob/new_player/proc/LateSpawn(rank)
 	if(!SSticker.IsRoundInProgress())
-		to_chat(usr, span_red("The round is either not ready, or has already finished..."))
+		to_chat(src, span_red("The round is either not ready, or has already finished..."))
 		return FALSE
 	if(!GLOB.enter_allowed)
-		to_chat(usr, span_notice("There is an administrative lock on entering the game!"))
+		to_chat(src, span_notice("There is an administrative lock on entering the game!"))
 		return FALSE
 	if(!IsJobAvailable(rank))
-		src << alert("[rank] is not available. Please try another.")
+		to_chat(src, span_warning("[rank] is not available. Please try another."))
 		return FALSE
 
 	spawning = 1
@@ -374,6 +394,118 @@
 
 	qdel(src)
 
+// TGUI Detection - check if we should use TGUI or fallback to legacy browser
+/mob/new_player/proc/use_tgui_latejoin()
+	// Check if client exists
+	if(!client)
+		return FALSE
+
+	// Check if TGUI subsystem exists
+	if(!SStgui)
+		return FALSE
+
+	// Try to get a window from the pool to verify availability
+	var/datum/tgui_window/window = SStgui.request_pooled_window(src)
+	if(!window)
+		// Pool exhausted or unavailable - use fallback
+		to_chat(src, span_warning("TGUI window pool exhausted, using legacy interface."))
+		return FALSE
+
+	// Return window to pool (we were just checking)
+	window.release_lock()
+
+	return TRUE
+
+// TGUI Interface - modern UI for job selection
+/mob/new_player/ui_interact(mob/user, datum/tgui/ui)
+	ui = SStgui.try_update_ui(user, src, ui)
+	if(!ui)
+		ui = new(user, src, "LateJoin")
+		ui.set_autoupdate(FALSE) // Disable autoupdate to prevent dexterity checks
+		ui.open()
+
+/mob/new_player/ui_state(mob/user)
+	return GLOB.always_state  // No distance/access restrictions for new players
+
+/mob/new_player/ui_status(mob/user, datum/ui_state/state)
+	// Always allow interaction for new_player, skip all checks
+	return UI_INTERACTIVE
+
+/mob/new_player/ui_data(mob/user)
+	var/list/data = list()
+
+	// Player info
+	data["playerName"] = client.prefs.be_random_name ? "friend" : client.prefs.real_name
+
+	// Round info
+	data["roundDuration"] = DisplayTimeText(world.time - SSticker.round_start_time)
+
+	// Evacuation status
+	data["isEvacuating"] = evacuation_controller.is_evacuating()
+	data["isEvacuated"] = evacuation_controller.has_evacuated()
+
+	// Build job list grouped by department
+	var/list/departments = list()
+
+	for(var/datum/department/dept in SSjob.departments)
+		var/list/dept_data = list(
+			"name" = dept.name,
+			"jobs" = list()
+		)
+
+		for(var/datum/job/job in dept.jobs)
+			// Count active players
+			var/active = 0
+			for(var/mob/M in GLOB.player_list)
+				if(M.mind && M.client && M.mind.assigned_role == job.title)
+					if(M.client.inactivity <= 10 MINUTES)
+						active++
+
+			// Check availability (including experience requirements)
+			var/is_available = IsJobAvailable(job.title)
+
+			var/list/job_data = list(
+				"title" = job.title,
+				"currentPositions" = job.current_positions,
+				"totalPositions" = job.total_positions,  // -1 = unlimited
+				"activePlayers" = active,
+				"expRequired" = job.exp_requirements,
+				"expType" = job.exp_required_type,
+				"department" = job.department,
+				"available" = is_available,
+				"description" = job.description,
+				"supervisors" = job.supervisors,
+			)
+
+			dept_data["jobs"] += list(job_data)
+
+		if(length(dept_data["jobs"]))
+			departments += list(dept_data)
+
+	data["departments"] = departments
+
+	return data
+
+/mob/new_player/ui_act(action, list/params, datum/tgui/ui, datum/ui_state/state)
+	// Don't call parent - we don't need the default checks for new_player
+	// Parent would check UI_INTERACTIVE status which may fail for new_player
+
+	switch(action)
+		if("select_job")
+			var/job_title = params["job"]
+			if(!job_title)
+				return FALSE
+
+			// Use shared spawn logic
+			LateSpawn(job_title)
+			return TRUE
+
+		if("close")
+			ui.close()
+			return TRUE
+
+	return FALSE
+
 /mob/new_player/proc/LateChoices()
 	var/name = client.prefs.be_random_name ? "friend" : client.prefs.real_name