refactor: Update button and slider components to remove focus ring fo…

…r improved accessibility and visual clarity; add tint-tracker-vite dependency

src/components/ui/button.jsx

@@ -5,7 +5,7 @@ import { cva } from "class-variance-authority";
 import { cn } from "@/lib/utils"
 
 const buttonVariants = cva(
-  "inline-flex items-center justify-center whitespace-nowrap rounded-md text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
+  "inline-flex items-center justify-center whitespace-nowrap rounded-md text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-0 focus-visible:ring-ring focus-visible:ring-offset-0 disabled:pointer-events-none disabled:opacity-50",
   {
     variants: {
       variant: {

src/components/ui/slider.jsx

@@ -15,7 +15,7 @@ const Slider = React.forwardRef(({ className, ...props }, ref) => (
       <SliderPrimitive.Range className="absolute h-full bg-primary" />
     </SliderPrimitive.Track>
     <SliderPrimitive.Thumb
-      className="block h-5 w-5 rounded-full border-2 border-primary bg-background ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50" />
+      className="block h-5 w-5 rounded-full border-2 border-primary bg-background ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-0 focus-visible:ring-ring focus-visible:ring-offset-0 disabled:pointer-events-none disabled:opacity-50" />
   </SliderPrimitive.Root>
 ))
 Slider.displayName = SliderPrimitive.Root.displayName