diff --git a/src/interact/add_delete.rs b/src/interact/add_delete.rs
index d7ef1c2..676770b 100644
--- a/src/interact/add_delete.rs
+++ b/src/interact/add_delete.rs
@@ -811,7 +811,7 @@ pub fn draw_add_overlay(app: &DungeonApp, painter: &egui::Painter, geometry: &Gr
 
     let start = cell_center(geometry, drag.start_cell.0, drag.start_cell.1);
     let end = cell_center(geometry, drag.current_cell.0, drag.current_cell.1);
-    let stroke = Stroke::new(2.0, Color32::WHITE);
+    let stroke = Stroke::new(2.0_f32, Color32::WHITE);
     painter.circle_filled(start, 3.0, Color32::WHITE);
     crate::rendering::draw_dashed_line(painter, start, end, stroke, 8.0, 6.0);
 }
@@ -854,7 +854,7 @@ pub fn draw_add_tool_ghost(app: &DungeonApp, painter: &egui::Painter, geometry:
                 rect,
                 4.0,
                 Stroke::new(
-                    1.5,
+                    1.5_f32,
                     Color32::from_rgb(150, 200, 240).gamma_multiply(ghost_alpha + 0.3),
                 ),
                 egui::StrokeKind::Middle,
@@ -881,7 +881,7 @@ pub fn draw_add_tool_ghost(app: &DungeonApp, painter: &egui::Painter, geometry:
                 rect.expand(4.0),
                 4.0,
                 Stroke::new(
-                    1.0,
+                    1.0_f32,
                     Color32::from_rgb(180, 180, 220).gamma_multiply(ghost_alpha + 0.2),
                 ),
                 egui::StrokeKind::Middle,
@@ -919,7 +919,7 @@ pub fn draw_add_tool_ghost(app: &DungeonApp, painter: &egui::Painter, geometry:
                 rect,
                 4.0,
                 Stroke::new(
-                    1.5,
+                    1.5_f32,
                     Color32::from_rgb(255, 255, 255).gamma_multiply(ghost_alpha + 0.2),
                 ),
                 egui::StrokeKind::Middle,
@@ -962,7 +962,7 @@ pub fn draw_add_tool_ghost(app: &DungeonApp, painter: &egui::Painter, geometry:
                 rect,
                 4.0,
                 Stroke::new(
-                    1.5,
+                    1.5_f32,
                     Color32::from_rgb(220, 180, 80).gamma_multiply(ghost_alpha + 0.2),
                 ),
                 egui::StrokeKind::Middle,
@@ -978,7 +978,7 @@ pub fn draw_add_tool_ghost(app: &DungeonApp, painter: &egui::Painter, geometry:
                         egui::pos2(rect.left() + 2.0, y),
                         egui::pos2(rect.right() - 2.0, y),
                     ],
-                    Stroke::new(1.5, line_color),
+                    Stroke::new(1.5_f32, line_color),
                 );
             }
         }
@@ -1082,7 +1082,7 @@ pub fn draw_paste_ghost(app: &DungeonApp, painter: &egui::Painter, geometry: &Gr
     let ghost_alpha = 0.35;
     let fill = Color32::from_rgb(100, 160, 100).gamma_multiply(ghost_alpha);
     let stroke = Stroke::new(
-        1.5,
+        1.5_f32,
         Color32::from_rgb(180, 240, 180).gamma_multiply(ghost_alpha + 0.3),
     );
 
diff --git a/src/interact/drag.rs b/src/interact/drag.rs
index f757a31..3760ea6 100644
--- a/src/interact/drag.rs
+++ b/src/interact/drag.rs
@@ -474,7 +474,7 @@ pub fn draw_corridor_hover_overlay(
     };
 
     let color = Color32::from_gray(170);
-    let stroke = Stroke::new(2.0, color);
+    let stroke = Stroke::new(2.0_f32, color);
     for pair in corridor.path.windows(2) {
         let a = cell_center(geometry, pair[0].0, pair[0].1);
         let b = cell_center(geometry, pair[1].0, pair[1].1);
@@ -496,7 +496,7 @@ pub fn draw_door_hover_overlay(app: &DungeonApp, painter: &egui::Painter, geomet
         return;
     };
     let color = Color32::from_gray(200);
-    let stroke = Stroke::new(2.0, color);
+    let stroke = Stroke::new(2.0_f32, color);
     crate::rendering::draw_door_line(
         painter,
         geometry,
diff --git a/src/interact/geometry.rs b/src/interact/geometry.rs
index 94c9ea9..abfffb2 100644
--- a/src/interact/geometry.rs
+++ b/src/interact/geometry.rs
@@ -36,7 +36,7 @@ pub fn draw_grid(
         egui::vec2(grid_width, grid_height),
     );
 
-    let stroke = Stroke::new(1.0, Color32::from_gray(160));
+    let stroke = Stroke::new(1.0_f32, Color32::from_gray(160));
     painter.rect_stroke(grid_rect, 0.0, stroke, egui::StrokeKind::Middle);
 
     for col in 1..cols {
diff --git a/src/interact/multi_select.rs b/src/interact/multi_select.rs
index 8136d1d..3edab0a 100644
--- a/src/interact/multi_select.rs
+++ b/src/interact/multi_select.rs
@@ -617,7 +617,7 @@ pub fn draw_selection_box(app: &DungeonApp, painter: &egui::Painter, geometry: &
     painter.rect_stroke(
         rect,
         0.0,
-        Stroke::new(1.5, Color32::from_rgba_unmultiplied(100, 160, 255, 200)),
+        Stroke::new(1.5_f32, Color32::from_rgba_unmultiplied(100, 160, 255, 200)),
         egui::StrokeKind::Middle,
     );
 }
@@ -636,7 +636,7 @@ pub fn draw_selection_highlights(
     }
     let layout = &app.levels[app.settings.active_level_index];
     let color = Color32::from_rgba_unmultiplied(100, 180, 255, 220);
-    let stroke = Stroke::new(2.0, color);
+    let stroke = Stroke::new(2.0_f32, color);
 
     for item in &app.selection {
         match item {
diff --git a/src/interact/resize.rs b/src/interact/resize.rs
index 42d97f3..4c4aba6 100644
--- a/src/interact/resize.rs
+++ b/src/interact/resize.rs
@@ -369,7 +369,7 @@ pub fn draw_resize_overlay(app: &DungeonApp, painter: &egui::Painter, geometry:
                     painter.rect_stroke(
                         rect,
                         0.0,
-                        Stroke::new(2.0, Color32::from_gray(180)),
+                        Stroke::new(2.0_f32, Color32::from_gray(180)),
                         egui::StrokeKind::Middle,
                     );
                     let pos = crate::interact::cell_center(
@@ -423,7 +423,7 @@ pub fn draw_resize_overlay(app: &DungeonApp, painter: &egui::Painter, geometry:
             painter.rect_stroke(
                 rect,
                 0.0,
-                Stroke::new(2.0, Color32::from_gray(180)),
+                Stroke::new(2.0_f32, Color32::from_gray(180)),
                 egui::StrokeKind::Middle,
             );
         }
@@ -446,7 +446,7 @@ pub fn draw_room_resize_visuals(
     show_handles: bool,
 ) {
     let color = Color32::from_gray(170);
-    let stroke = Stroke::new(1.5, color);
+    let stroke = Stroke::new(1.5_f32, color);
 
     let left = geometry.rect.left() + room.x as f32 * geometry.cell_size;
     let top = geometry.rect.top() + room.y as f32 * geometry.cell_size;
@@ -491,7 +491,7 @@ pub fn draw_staircase_resize_visuals(
     show_handles: bool,
 ) {
     let color = Color32::from_gray(170);
-    let stroke = Stroke::new(1.5, color);
+    let stroke = Stroke::new(1.5_f32, color);
 
     let left = geometry.rect.left() + stair.cell.0 as f32 * geometry.cell_size;
     let top = geometry.rect.top() + stair.cell.1 as f32 * geometry.cell_size;
@@ -527,10 +527,10 @@ pub fn draw_resize_handle(
     let half = size * 0.5;
     let rect = egui::Rect::from_center_size(corner, egui::vec2(size, size));
     painter.rect_filled(rect, 2.0, Color32::from_gray(30));
-    painter.rect_stroke(rect, 2.0, Stroke::new(1.0, color), egui::StrokeKind::Middle);
+    painter.rect_stroke(rect, 2.0, Stroke::new(1.0_f32, color), egui::StrokeKind::Middle);
 
     let center = corner;
-    let stroke = Stroke::new(1.0, color);
+    let stroke = Stroke::new(1.0_f32, color);
     match which {
         ResizeCorner::TopLeft => {
             painter.line_segment(
diff --git a/src/rendering.rs b/src/rendering.rs
index 346e757..fa768fb 100644
--- a/src/rendering.rs
+++ b/src/rendering.rs
@@ -134,7 +134,7 @@ pub fn draw_layout(
                 painter,
                 geometry,
                 room,
-                Stroke::new(1.5, Color32::BLACK.gamma_multiply(alpha)),
+                Stroke::new(1.5_f32, Color32::BLACK.gamma_multiply(alpha)),
             );
         }
     }
@@ -277,7 +277,7 @@ pub fn draw_layout(
             painter.rect_stroke(
                 text_label_rect(geometry, label).expand(2.0),
                 0.0,
-                Stroke::new(2.0, Color32::from_rgb(255, 220, 120).gamma_multiply(alpha)),
+                Stroke::new(2.0_f32, Color32::from_rgb(255, 220, 120).gamma_multiply(alpha)),
                 egui::StrokeKind::Middle,
             );
         }
@@ -388,7 +388,7 @@ pub fn draw_staircase(
         rect,
         4.0,
         Stroke::new(
-            if is_hovered { 3.0 } else { 2.0 },
+            if is_hovered { 3.0_f32 } else { 2.0_f32 },
             stroke_color.gamma_multiply(alpha),
         ),
         egui::StrokeKind::Middle,
@@ -408,7 +408,7 @@ pub fn draw_staircase(
                 egui::pos2(rect.left() + 2.0, y),
                 egui::pos2(rect.right() - 2.0, y),
             ],
-            Stroke::new(1.5, line_color.gamma_multiply(alpha)),
+            Stroke::new(1.5_f32, line_color.gamma_multiply(alpha)),
         );
     }
 }
@@ -455,7 +455,7 @@ pub fn draw_area_marker(
         rect,
         4.0,
         Stroke::new(
-            if hovered { 3.0 } else { 2.0 },
+            if hovered { 3.0_f32 } else { 2.0_f32 },
             stroke_color.gamma_multiply(alpha),
         ),
         egui::StrokeKind::Middle,
diff --git a/src/ui/widgets.rs b/src/ui/widgets.rs
index 6d62325..c1b6707 100644
--- a/src/ui/widgets.rs
+++ b/src/ui/widgets.rs
@@ -18,7 +18,7 @@ pub fn draw_legend_entry(ui: &mut egui::Ui, color: Color32, label: &str) {
         ui.painter().rect_stroke(
             rect,
             0.0,
-            Stroke::new(1.0, Color32::WHITE),
+            Stroke::new(1.0_f32, Color32::WHITE),
             egui::StrokeKind::Middle,
         );
         ui.add_space(6.0);
@@ -49,7 +49,7 @@ pub fn draw_legend_entry_colorblind(ui: &mut egui::Ui, label: &str, style: Legen
         ui.painter().rect_stroke(
             rect,
             0.0,
-            Stroke::new(1.0, Color32::BLACK),
+            Stroke::new(1.0_f32, Color32::BLACK),
             egui::StrokeKind::Middle,
         );
 
@@ -57,11 +57,11 @@ pub fn draw_legend_entry_colorblind(ui: &mut egui::Ui, label: &str, style: Legen
             LegendStyle::Crosshatch => {
                 ui.painter().line_segment(
                     [rect.left_top(), rect.right_bottom()],
-                    Stroke::new(1.2, Color32::BLACK),
+                    Stroke::new(1.2_f32, Color32::BLACK),
                 );
                 ui.painter().line_segment(
                     [rect.right_top(), rect.left_bottom()],
-                    Stroke::new(1.2, Color32::BLACK),
+                    Stroke::new(1.2_f32, Color32::BLACK),
                 );
             }
             LegendStyle::Dots => {
@@ -84,14 +84,14 @@ pub fn draw_legend_entry_colorblind(ui: &mut egui::Ui, label: &str, style: Legen
                         egui::pos2(rect.left() + 1.0, rect.center().y),
                         egui::pos2(rect.right() - 1.0, rect.center().y),
                     ],
-                    Stroke::new(2.0, Color32::BLACK),
+                    Stroke::new(2.0_f32, Color32::BLACK),
                 );
             }
             LegendStyle::Label(prefix) => {
                 ui.painter()
                     .circle_filled(rect.center(), 6.0, Color32::from_gray(180));
                 ui.painter()
-                    .circle_stroke(rect.center(), 6.0, Stroke::new(1.0, Color32::BLACK));
+                    .circle_stroke(rect.center(), 6.0, Stroke::new(1.0_f32, Color32::BLACK));
                 let font_size = 10.0;
                 let font_id = egui::FontId::monospace(font_size);
                 let text_width = prefix.len() as f32 * font_size * 0.6;
@@ -112,7 +112,7 @@ pub fn draw_legend_entry_colorblind(ui: &mut egui::Ui, label: &str, style: Legen
                 ui.painter()
                     .circle_filled(rect.center(), 6.0, Color32::from_gray(180));
                 ui.painter()
-                    .circle_stroke(rect.center(), 6.0, Stroke::new(1.0, Color32::BLACK));
+                    .circle_stroke(rect.center(), 6.0, Stroke::new(1.0_f32, Color32::BLACK));
                 let font_size = 10.0;
                 let font_id = egui::FontId::monospace(font_size);
                 let text_width = font_size * 0.6;
@@ -133,7 +133,7 @@ pub fn draw_legend_entry_colorblind(ui: &mut egui::Ui, label: &str, style: Legen
                 ui.painter(),
                 egui::pos2(rect.left() + 1.0, rect.center().y),
                 egui::pos2(rect.right() - 1.0, rect.center().y),
-                Stroke::new(2.0, Color32::BLACK),
+                Stroke::new(2.0_f32, Color32::BLACK),
                 6.0,
                 3.0,
             ),
@@ -141,7 +141,7 @@ pub fn draw_legend_entry_colorblind(ui: &mut egui::Ui, label: &str, style: Legen
                 ui.painter(),
                 egui::pos2(rect.left() + 1.0, rect.center().y),
                 egui::pos2(rect.right() - 1.0, rect.center().y),
-                Stroke::new(2.0, Color32::BLACK),
+                Stroke::new(2.0_f32, Color32::BLACK),
                 3.0,
                 2.0,
             ),
@@ -149,19 +149,19 @@ pub fn draw_legend_entry_colorblind(ui: &mut egui::Ui, label: &str, style: Legen
                 ui.painter(),
                 egui::pos2(rect.left() + 1.0, rect.center().y),
                 egui::pos2(rect.right() - 1.0, rect.center().y),
-                Stroke::new(2.0, Color32::BLACK),
+                Stroke::new(2.0_f32, Color32::BLACK),
             ),
             LegendStyle::DashDotLine => draw_dash_dot_line(
                 ui.painter(),
                 egui::pos2(rect.left() + 1.0, rect.center().y),
                 egui::pos2(rect.right() - 1.0, rect.center().y),
-                Stroke::new(2.0, Color32::BLACK),
+                Stroke::new(2.0_f32, Color32::BLACK),
             ),
             LegendStyle::DashDotDotLine => draw_dash_dot_dot_line(
                 ui.painter(),
                 egui::pos2(rect.left() + 1.0, rect.center().y),
                 egui::pos2(rect.right() - 1.0, rect.center().y),
-                Stroke::new(2.0, Color32::BLACK),
+                Stroke::new(2.0_f32, Color32::BLACK),
             ),
         }