start working version of new theme handler

src/lib/components/ThemeSelect.svelte

@@ -1,8 +1,7 @@
 <script lang="ts">
     import Select, { type SelectOption } from './Select.svelte';
     import { Select as Select2 } from '$lib/components/ui';
-    import { themeStore, setTheme, type Theme } from '$lib/providers/theme';
-    import { get } from 'svelte/store';
+    import { themeStore, setTheme } from '$lib/providers/theme';
 
     const options = [
         {
@@ -28,6 +27,6 @@
     {options}
     bind:value={$themeStore.theme}
     onValueChange={(e) => {
-        setTheme(e as Theme);
+        setTheme(e);
     }}
 />

src/lib/components/ui/select.svelte

@@ -37,7 +37,7 @@
 <div {...select.content}>
     {#each options as option}
         <div {...select.getOption(option.value)}>
-            {option}
+            {option.label}
         </div>
     {/each}
 </div>

src/lib/providers/theme/index.ts

@@ -1,25 +1,34 @@
-import { writable } from 'svelte/store';
 
-export type Theme = 'dark' | 'light' | 'system';	
+  import { writable } from 'svelte/store';
 
-export interface ThemeStore {
-	themes: string[];
-	forcedTheme?: Theme;
-	theme?: Theme;
-	resolvedTheme?: string;
-	systemTheme?: Omit<Theme, 'system'>;
-}
+  export interface ThemeStore {
+    themes: string[];
+    forcedTheme?: string;
+    theme?: string;
+    resolvedTheme?: string;
+    systemTheme?: string;
+  }
 
-export const setTheme = (theme?: Theme): void =>
-	themeStore.update((store) => ({ ...store, theme }));
-
-export const themeStore = writable<ThemeStore>({
-	themes: [],
-	forcedTheme: undefined,
-	theme: undefined,
-	resolvedTheme: undefined,
-	systemTheme: undefined
-});
+  // Create the theme store
+  export const themeStore = writable<ThemeStore>({
+    themes: ['light', 'dark'],
+    forcedTheme: undefined,
+    theme: undefined,
+    resolvedTheme: undefined,
+    systemTheme: undefined
+  });
 
 
-export { default as ThemeProvider } from './theme.svelte'
+  export const setTheme = (theme?: string) => 
+    themeStore.update((store) => ({ ...store, theme }));
+
+  export const setResolvedTheme = (resolvedTheme?: string) => 
+    themeStore.update((store) => ({ ...store, resolvedTheme }));
+
+  export const setSystemTheme = (systemTheme?: string) => 
+    themeStore.update((store) => ({ ...store, systemTheme }));
+
+  export const setThemes = (themes: string[]) => 
+    themeStore.update((store) => ({ ...store, themes }));
+
+  export { default as ThemeProvider } from './theme.svelte';

src/lib/providers/theme/theme.svelte

@@ -1,19 +1,19 @@
 <script lang="ts">
     import { colorSchemes, MEDIA } from './constants';
     import { disableAnimation, getSystemTheme, getTheme } from './helpers';
-    import { themeStore, setTheme, type Theme } from './index';
+    import { themeStore, setTheme } from './index';
 
     import ThemeScript from './theme-script.svelte';
     import { browser } from '$app/environment';
 
     interface Props {
-        forcedTheme?: Theme;
+        forcedTheme?: string;
         disableTransitionOnChange?: boolean;
         enableSystem?: boolean;
         enableColorScheme?: boolean;
         storageKey?: string;
         themes?: string[];
-        defaultTheme?: Theme;
+        defaultTheme?: string;
         attribute?: string | 'class';
         value?: {
             [themeName: string]: string;
@@ -51,13 +51,14 @@
     const attrs = !value ? themes : Object.values(value);
 
     const handleMediaQuery = (e?: MediaQueryList) => {
-        const systemTheme = getSystemTheme(e) as Theme;
+        const systemTheme = getSystemTheme(e) as string;
         $themeStore.resolvedTheme = systemTheme;
+        $themeStore.systemTheme = systemTheme;
 
-        if (theme === 'system' && !forcedTheme) changeTheme(systemTheme, false);
+        if (theme === 'system' && !forcedTheme) changeTheme(systemTheme, false, true);
     };
 
-    const changeTheme = (theme?: Theme, updateStorage?: boolean, updateDOM?: boolean) => {
+    const changeTheme = (theme?: string, updateStorage?: boolean, updateDOM?: boolean) => {
         if (!theme) return;
         let name = value?.[theme] || theme;
 
@@ -77,7 +78,7 @@
         }
 
         if (updateDOM && browser) {
-            const d = document.documentElement;
+            const d = document.body;
 
             if (attribute === 'class') {
                 d.classList.remove(...(attrs as string[]));
@@ -93,20 +94,20 @@
 
     const storageHandler = (e: StorageEvent) => {
         if (e.key !== storageKey) return;
-        setTheme((e.newValue as Theme) || (defaultTheme as Theme));
+        setTheme((e.newValue as string) || (defaultTheme as string));
     };
 
     const onWindow = (window: Window) => {
         const media = window.matchMedia(MEDIA);
-        // Intentionally use deprecated listener methods to support iOS & old browsers
-        media.addListener(mediaHandler);
+        // Use modern event listener approach
+        media.addEventListener('change', mediaHandler);
         mediaHandler(media);
 
         window.addEventListener('storage', storageHandler);
         return {
             destroy() {
                 window.removeEventListener('storage', storageHandler);
-                media.removeListener(mediaHandler);
+                media.removeEventListener('change', mediaHandler);
             }
         };
     };
@@ -133,7 +134,7 @@
         if (forcedTheme) {
             changeTheme(theme, true, false);
         } else {
-            changeTheme(theme);
+            changeTheme(theme, true, true); // Add true for updateDOM parameter
         }
     });
 </script>

src/routes/+layout.svelte

@@ -132,7 +132,7 @@
 >
 
 <slot />
-<ThemeProvider />
+<ThemeProvider attribute="class" disableTransitionOnChange />
 
 <style lang="scss">
     :global(html) {

tailwind.config.ts

@@ -1,5 +0,0 @@
-import { Config } from 'tailwindcss';
-
-const config = {} satisfies Config;
-
-export default config;