snapshot of https://github.com/shadcn-ui/ui.git (main, 2026-09-15; blobs > 131072B omitted)

apps/v4/app/(app)/(styles)/sera/components/theme-switcher.tsx

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+"use client"
+
+import * as React from "react"
+import { cn } from "cn"
+
+const THEME_OPTIONS = [
+  { label: "Taupe", value: "theme-taupe" },
+  { label: "Neutral", value: "theme-neutral" },
+  { label: "Stone", value: "theme-stone" },
+  { label: "Zinc", value: "theme-zinc" },
+  { label: "Mauve", value: "theme-mauve" },
+  { label: "Olive", value: "theme-olive" },
+  { label: "Mist", value: "theme-mist" },
+] as const
+
+const DEFAULT_THEME = "theme-taupe"
+
+function applyThemeToPreviews(theme: string) {
+  const previewElements = document.querySelectorAll<HTMLElement>(".preview")
+
+  previewElements.forEach((element) => {
+    THEME_OPTIONS.forEach((option) => {
+      element.classList.remove(option.value)
+    })
+
+    element.classList.add(theme)
+  })
+}
+
+export function ThemeSwitcher() {
+  const [theme, setTheme] = React.useState<string>(DEFAULT_THEME)
+
+  React.useEffect(() => {
+    applyThemeToPreviews(theme)
+  }, [theme])
+
+  return (
+    <div className="fixed inset-x-0 bottom-8 z-50 flex justify-center px-4">
+      <div className="w-full max-w-[60vw] rounded-full border-0 bg-neutral-950/50 p-1.5 shadow-xl backdrop-blur-xl sm:max-w-fit">
+        <div className="no-scrollbar flex snap-x snap-mandatory items-center overflow-x-auto">
+          {THEME_OPTIONS.map((option) => (
+            <button
+              data-active={theme === option.value}
+              key={option.value}
+              type="button"
+              onClick={() => {
+                setTheme(option.value)
+              }}
+              className="shrink-0 snap-center rounded-full px-3 py-1.5 text-sm font-medium text-neutral-300 outline-hidden transition-colors select-none hover:text-neutral-100 data-active:bg-neutral-500 data-active:text-neutral-100"
+            >
+              {option.label}
+            </button>
+          ))}
+        </div>
+      </div>
+    </div>
+  )
+}