add checkbox

crates/theme/src/lib.rs

@@ -55,6 +55,8 @@ impl Global for Theme {}
 /// Corner radii components paint from; grows one class at a time.
 #[derive(Clone, Copy, Debug, PartialEq)]
 pub struct Radius {
+    /// Small controls: checkbox and radio indicators.
+    pub sm: Pixels,
     pub control: Pixels,
     /// Pill and circle shapes.
     pub full: Pixels,
@@ -63,6 +65,7 @@ pub struct Radius {
 impl Default for Radius {
     fn default() -> Self {
         Self {
+            sm: px(4.),
             control: px(6.),
             full: px(9999.),
         }

crates/theme/src/resolve.rs

@@ -221,6 +221,7 @@ mod tests {
             assert_eq!(resolved.colors.accent, base.accent);
             assert_eq!(resolved.ramps.primary.base, base.primary);
             assert_eq!(resolved.ramps.secondary.base, base.secondary);
+            assert_eq!(resolved.radius.sm, px(4.));
             assert_eq!(resolved.radius.control, px(6.));
         }
     }