Add blood decals, gore, mobile HUD, web start gate + touch/perf tests

Remove tools/fstest.html scratch page used to probe browser
fullscreen/orientation APIs.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EznnY8rH2dXhtono1kwsXg

hud.gd

@@ -95,6 +95,7 @@ func _ready() -> void:
 	_build_damage_vignette()
 	_build_game_over()
 	_build_touch_controls()
+	_build_mobile_hud()
 	_update_control_hints()
 	_find_spawner.call_deferred()
 	_watch_barrels.call_deferred()
@@ -107,6 +108,14 @@ func _build_touch_controls() -> void:
 	add_child((load("res://touch_controls.gd") as Script).new())
 
 
+# Mobile-only health readouts (bull pips top-left + bear boss bar top-centre). On touch the
+# bottom pip cluster is hidden (see _build_health), so this is the only health display there;
+# on desktop it's never created.
+func _build_mobile_hud() -> void:
+	if Controls.use_touch_ui():
+		add_child((load("res://mobile_hud.gd") as Script).new())
+
+
 # Bottom-centre column that groups the gameplay HUD (abilities on top, bull health
 # directly beneath) so both read as one cluster instead of scattered corners.
 func _build_bottom_hud() -> void:
@@ -171,18 +180,29 @@ func _position_bull_bg() -> void:
 		vp_h - bh)
 
 
-# Unobtrusive early-build tag in the bottom-right corner.
+# Early-build tag. Bottom-right on desktop; on touch it moves to the bottom centre, clear of
+# the ability cluster + joystick that own the bottom corners, and reads with an outline.
 func _build_version_label() -> void:
 	var lbl := Label.new()
 	lbl.text = GameVersion.full()
-	lbl.add_theme_color_override("font_color", _MUTED)
-	lbl.add_theme_font_size_override("font_size", 12)
-	lbl.set_anchors_preset(Control.PRESET_BOTTOM_RIGHT)
-	lbl.grow_horizontal = Control.GROW_DIRECTION_BEGIN
+	lbl.add_theme_color_override("font_color", Color(0.90, 0.86, 0.72))
+	lbl.add_theme_color_override("font_outline_color", Color(0, 0, 0, 0.85))
+	lbl.add_theme_constant_override("outline_size", 4)
+	lbl.add_theme_font_size_override("font_size", 16)
 	lbl.grow_vertical = Control.GROW_DIRECTION_BEGIN
-	lbl.offset_right = -14.0
 	lbl.offset_bottom = -10.0
 	lbl.mouse_filter = Control.MOUSE_FILTER_IGNORE
+	if Controls.use_touch_ui():
+		lbl.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+		lbl.anchor_left = 0.5
+		lbl.anchor_right = 0.5
+		lbl.anchor_top = 1.0
+		lbl.anchor_bottom = 1.0
+		lbl.grow_horizontal = Control.GROW_DIRECTION_BOTH
+	else:
+		lbl.set_anchors_preset(Control.PRESET_BOTTOM_RIGHT)
+		lbl.grow_horizontal = Control.GROW_DIRECTION_BEGIN
+		lbl.offset_right = -20.0
 	add_child(lbl)
 
 
@@ -494,7 +514,7 @@ func _build_game_over() -> void:
 	# Buttons overlaid at the bottom of the clip.
 	var row := HBoxContainer.new()
 	row.alignment = BoxContainer.ALIGNMENT_CENTER
-	row.add_theme_constant_override("separation", 16)
+	row.add_theme_constant_override("separation", 32 if Controls.use_touch_ui() else 16)
 	row.anchor_left   = 0.5
 	row.anchor_right  = 0.5
 	row.anchor_top    = 1.0
@@ -504,13 +524,13 @@ func _build_game_over() -> void:
 	row.offset_bottom   = -48.0
 	_over_root.add_child(row)
 
-	# Win → Continue to the run map; loss → Go Again from the top. Shown per-result in
-	# _show_game_over; both share the Enter shortcut.
+	# Win → continue to the run map; loss → restart from the top. Shown per-result in
+	# _show_game_over; both share the Enter shortcut and label.
 	_over_continue = _make_button("Continue  (Enter)")
 	_over_continue.pressed.connect(_continue_to_lobby)
 	row.add_child(_over_continue)
 
-	_over_again = _make_button("Go Again  (Enter)")
+	_over_again = _make_button("Continue  (Enter)")
 	_over_again.pressed.connect(_restart)
 	row.add_child(_over_again)
 
@@ -518,6 +538,11 @@ func _build_game_over() -> void:
 	menu.pressed.connect(_return_to_menu)
 	row.add_child(menu)
 
+	# Thumbs need a far bigger target than a mouse pointer, and the outcome clip has room
+	# for it — grow the whole row on touch only.
+	for btn: Button in [_over_continue, _over_again, menu]:
+		_grow_for_touch(btn)
+
 # ── Bull health ───────────────────────────────────────────────────────────────
 # A row of gold-socketed pips beneath the ability bar — one pip per HP, so raising or
 # lowering max HP visibly grows or shrinks the row. Lit pips run red and shade toward
@@ -540,6 +565,9 @@ func _build_health() -> void:
 		"panel", UiTheme.plaque(UiTheme.LEATHER, UiTheme.BORDER, 4, 12.0, 6.0))
 	panel.size_flags_horizontal = Control.SIZE_SHRINK_CENTER
 	panel.mouse_filter = Control.MOUSE_FILTER_IGNORE
+	# On touch the bottom edge is crowded by the joystick + ability cluster and mobile_hud.gd
+	# paints health up top instead, so drop this bottom pip cluster there.
+	panel.visible = not Controls.use_touch_ui()
 	_bottom_col.add_child(panel)
 
 	var row := HBoxContainer.new()
@@ -799,6 +827,10 @@ func _build_controls_panel() -> void:
 	vbox.add_child(_toggle_btn)
 
 
+const _TOUCH_BTN_FONT: int = 34
+const _TOUCH_BTN_MIN: Vector2 = Vector2(320.0, 110.0)
+
+
 func _make_button(label_text: String) -> Button:
 	var btn := Button.new()
 	btn.text = label_text
@@ -819,6 +851,15 @@ func _make_button(label_text: String) -> Button:
 	return btn
 
 
+# Scales a game-over button up to a comfortable thumb target on touch devices; a no-op
+# with mouse/gamepad, where the desktop sizing already reads fine.
+func _grow_for_touch(btn: Button) -> void:
+	if not Controls.use_touch_ui():
+		return
+	btn.add_theme_font_size_override("font_size", _TOUCH_BTN_FONT)
+	btn.custom_minimum_size = _TOUCH_BTN_MIN
+
+
 func _row(parent: VBoxContainer, key: String, desc: String, desc_color: Color) -> void:
 	var row := HBoxContainer.new()
 	row.add_theme_constant_override("separation", 10)