chore: audit all components (#2)

Reviewed-on: #2

crates/core/src/spinner.rs

@@ -41,6 +41,7 @@ pub struct Spinner {
     value: Option<f32>,
     variant: SpinnerVariant,
     size: Size,
+    color: Option<Hsla>,
     a11y_label: Option<SharedString>,
 }
 
@@ -55,10 +56,17 @@ impl Spinner {
             value: None,
             variant: SpinnerVariant::default(),
             size: Size::default(),
+            color: None,
             a11y_label: None,
         }
     }
 
+    /// Overrides the arc color, for accent-filled surfaces.
+    pub fn color(mut self, color: Hsla) -> Self {
+        self.color = Some(color);
+        self
+    }
+
     /// Sets the spinner's visual language.
     pub fn variant(mut self, variant: SpinnerVariant) -> Self {
         self.variant = variant;
@@ -93,7 +101,7 @@ impl RenderOnce for Spinner {
         let side = theme.sizes.resolve(self.size).icon_size;
         let stroke = side * RING_STROKE;
         let track = theme.colors.border;
-        let accent = theme.ramps.primary.base;
+        let accent = self.color.unwrap_or(theme.ramps.primary.base);
         let value = self.value.map(|value| value.clamp(0.0, 1.0));
 
         div()