diff --git a/studio/frontend/src/components/ui/slider.tsx b/studio/frontend/src/components/ui/slider.tsx
index 4a235e674d..f65b3ffa71 100644
--- a/studio/frontend/src/components/ui/slider.tsx
+++ b/studio/frontend/src/components/ui/slider.tsx
@@ -1,57 +1,76 @@
-import { Slider as SliderPrimitive } from "radix-ui";
-import * as React from "react";
-
-import { cn } from "@/lib/utils";
-
-function Slider({
-  className,
-  defaultValue,
-  value,
-  min = 0,
-  max = 100,
-  ...props
-}: React.ComponentProps<typeof SliderPrimitive.Root>) {
-  const _values = React.useMemo(
-    () =>
-      Array.isArray(value)
-        ? value
-        : Array.isArray(defaultValue)
-          ? defaultValue
-          : [min, max],
-    [value, defaultValue, min, max],
-  );
-
-  return (
-    <SliderPrimitive.Root
-      data-slot="slider"
-      defaultValue={defaultValue}
-      value={value}
-      min={min}
-      max={max}
-      className={cn(
-        "data-vertical:min-h-40 relative flex w-full touch-none items-center select-none data-disabled:opacity-50 data-vertical:h-full data-vertical:w-auto data-vertical:flex-col",
-        className,
-      )}
-      {...props}
-    >
-      <SliderPrimitive.Track
-        data-slot="slider-track"
-        className="bg-muted rounded-4xl data-horizontal:h-3 data-horizontal:w-full data-vertical:h-full data-vertical:w-3 bg-muted relative grow overflow-hidden data-horizontal:w-full data-vertical:h-full cursor-pointer"
-      >
-        <SliderPrimitive.Range
-          data-slot="slider-range"
-          className="bg-primary absolute select-none data-horizontal:h-full data-vertical:w-full"
-        />
-      </SliderPrimitive.Track>
-      {Array.from({ length: _values.length }, (_, index) => (
-        <SliderPrimitive.Thumb
-          data-slot="slider-thumb"
-          key={index}
-          className="border-primary ring-ring/50 size-4 rounded-4xl border bg-white shadow-sm block shrink-0 select-none cursor-pointer disabled:pointer-events-none disabled:opacity-50 transition-transform duration-100 ease-out hover:scale-110 hover:ring-4 active:scale-95 focus-visible:ring-4 focus-visible:outline-hidden"
-        />
-      ))}
-    </SliderPrimitive.Root>
-  );
-}
-
-export { Slider };
+import { Slider as SliderPrimitive } from "radix-ui";
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+function Slider({
+  className,
+  defaultValue,
+  value,
+  min = 0,
+  max = 100,
+  ...props
+}: React.ComponentProps<typeof SliderPrimitive.Root>) {
+  const _values = React.useMemo(
+    () =>
+      Array.isArray(value)
+        ? value
+        : Array.isArray(defaultValue)
+          ? defaultValue
+          : [min, max],
+    [value, defaultValue, min, max],
+  );
+
+  // For single-thumb horizontal sliders, render the fill bar as a sibling of
+  // the track (outside its overflow-hidden container) so it can align flush
+  // with the thumb center without being clipped. The Range inside the track
+  // is hidden in this case to avoid double-painting.
+  const isSingleThumb = _values.length === 1;
+  const fillPercent = isSingleThumb
+    ? Math.min(100, Math.max(0, (((_values[0] ?? min) - min) / (max - min)) * 100))
+    : null;
+
+  return (
+    <SliderPrimitive.Root
+      data-slot="slider"
+      defaultValue={defaultValue}
+      value={value}
+      min={min}
+      max={max}
+      className={cn(
+        "data-vertical:min-h-40 relative flex w-full touch-none items-center select-none data-disabled:opacity-50 data-vertical:h-full data-vertical:w-auto data-vertical:flex-col",
+        className,
+      )}
+      {...props}
+    >
+      <SliderPrimitive.Track
+        data-slot="slider-track"
+        className="bg-muted rounded-4xl data-horizontal:h-3 data-horizontal:w-full data-vertical:h-full data-vertical:w-3 bg-muted relative grow overflow-hidden data-horizontal:w-full data-vertical:h-full cursor-pointer"
+      >
+        <SliderPrimitive.Range
+          data-slot="slider-range"
+          className={cn(
+            "bg-primary absolute select-none data-horizontal:h-full data-vertical:w-full",
+            isSingleThumb && "opacity-0",
+          )}
+        />
+      </SliderPrimitive.Track>
+      {isSingleThumb && (
+        <div
+          aria-hidden={true}
+          className="absolute inset-y-0 left-0 my-auto h-3 rounded-4xl bg-primary pointer-events-none"
+          style={{ width: `${fillPercent}%` }}
+        />
+      )}
+      {Array.from({ length: _values.length }, (_, index) => (
+        <SliderPrimitive.Thumb
+          data-slot="slider-thumb"
+          key={index}
+          className="border-primary ring-ring/50 size-4 rounded-4xl border bg-white shadow-sm block shrink-0 select-none cursor-pointer disabled:pointer-events-none disabled:opacity-50 transition-transform duration-100 ease-out hover:scale-110 hover:ring-4 active:scale-95 focus-visible:ring-4 focus-visible:outline-hidden"
+        />
+      ))}
+    </SliderPrimitive.Root>
+  );
+}
+
+export { Slider };