diff --git a/custom-themes/README.md b/custom-themes/README.md
new file mode 100644
index 0000000..e9f7436
--- /dev/null
+++ b/custom-themes/README.md
@@ -0,0 +1,40 @@
+# Custom themes (graphics-only)
+
+Ecosistema temi caricati a **runtime** (niente rebuild del client). Un tema =
+una cartella con un manifest + "pezzi" CSS. Ogni pezzo è attivabile/disattivabile
+dall'utente da **Impostazioni → Temi** (checkbox). Se un pezzo è rotto/404 →
+fallback automatico al default (solo quel pezzo).
+
+## Dove vivono
+- **Questa cartella (`custom-themes/`) è solo il TEMPLATE di riferimento**, versionata su git.
+- I temi **veri** stanno sul server in `public/nitro/custom-themes/` (serviti via
+  l'url configurato in ui-config `theme.base.url`, es. `/client/nitro/custom-themes`).
+  NON vanno su git → vedi `.gitignore` (`public/custom-themes/`).
+
+## Struttura
+```
+custom-themes/
+  index.json                 # { "themes": [ { "id", "name", "author?" } ] }
+  <id>/
+    theme.json               # { "name", "pieces": [ { "id", "name", "file" } ] }
+    cards.css  chat.css  ...  # un file per "pezzo"
+    assets/...               # immagini referenziate dai CSS (url assoluti)
+```
+
+## Creare un tema
+1. Copia `neon-viola/` in una nuova cartella `<id>/`.
+2. Modifica `theme.json` (nome + elenco pezzi).
+3. Scrivi i CSS dei pezzi (override con `!important`, caricati dopo il base).
+4. Aggiungi `{ "id": "<id>", "name": "..." }` a `index.json`.
+5. Carica la cartella in `public/nitro/custom-themes/` sul server. **Nessun rebuild.**
+
+## Default hotel-wide (admin)
+In `ui-config.json`:
+- `theme.base.url`  → dove sono serviti i temi
+- `theme.default`   → id del tema attivo di default (vuoto = nessuno)
+- `theme.default.pieces` → array di id pezzi attivi di default
+
+Ogni utente può comunque sovrascrivere da Impostazioni → Temi (salvato in localStorage).
+
+> Nota: i temi ri-skinnano solo la **grafica** (CSS). Non cambiano la struttura
+> dei componenti né il comportamento.
diff --git a/custom-themes/index.example.json b/custom-themes/index.example.json
new file mode 100644
index 0000000..46fd0ea
--- /dev/null
+++ b/custom-themes/index.example.json
@@ -0,0 +1,5 @@
+{
+  "themes": [
+    { "id": "neon-viola", "name": "Neon Viola", "author": "infinityhotel" }
+  ]
+}
diff --git a/custom-themes/neon-viola/cards.css b/custom-themes/neon-viola/cards.css
new file mode 100644
index 0000000..5608fb7
--- /dev/null
+++ b/custom-themes/neon-viola/cards.css
@@ -0,0 +1,24 @@
+/* Tema Neon Viola — pezzo "cards" (finestre / NitroCard).
+   Ricolora header + cornice delle finestre. Caricato DOPO il CSS base, quindi
+   usa !important per vincere. Tocca solo la cornice/header (non lo sfondo del
+   contenuto) per non rovinare la leggibilita' del testo. */
+
+.nitro-card-shell:not(.nitro-wired) {
+    border-color: #7c3aed !important;
+    box-shadow: 0 0 14px rgba(124, 58, 237, .55), 0 8px 22px rgba(0, 0, 0, .4) !important;
+}
+
+.nitro-card-shell:not(.nitro-wired) .nitro-card-header-shell {
+    background: linear-gradient(180deg, #9333ea 0%, #6d28d9 100%) !important;
+    border-color: #a855f7 !important;
+    border-bottom-color: #2a0a4a !important;
+}
+
+.nitro-card-shell:not(.nitro-wired) .nitro-card-title {
+    color: #fff !important;
+    text-shadow: 0 0 6px #c084fc, 0 1px 0 #3b0764 !important;
+}
+
+.nitro-card-shell:not(.nitro-wired) .nitro-card-tabs-shell .nitro-card-tab-item-active {
+    box-shadow: inset 0 -2px 0 #a855f7 !important;
+}
diff --git a/custom-themes/neon-viola/catalog.css b/custom-themes/neon-viola/catalog.css
new file mode 100644
index 0000000..1f8973d
--- /dev/null
+++ b/custom-themes/neon-viola/catalog.css
@@ -0,0 +1,10 @@
+/* Tema Neon Viola — pezzo "catalog" (catalogo Hippiehotel, .nitro-catalog). */
+
+.nitro-catalog .nitro-card-header-shell {
+    background: linear-gradient(180deg, #9333ea 0%, #6d28d9 100%) !important;
+}
+
+.nitro-catalog .group\/rail {
+    background: #1a1030 !important;
+    border-right-color: #7c3aed !important;
+}
diff --git a/custom-themes/neon-viola/chat.css b/custom-themes/neon-viola/chat.css
new file mode 100644
index 0000000..c0f767e
--- /dev/null
+++ b/custom-themes/neon-viola/chat.css
@@ -0,0 +1,12 @@
+/* Tema Neon Viola — pezzo "chat".
+   Accento viola sulla bubble di default (bubble-0) e sull'input chat.
+   (Le bubble custom hanno la loro grafica; qui tocchiamo solo l'accento base.) */
+
+.chat-bubble.bubble-0 {
+    filter: drop-shadow(0 0 5px rgba(168, 85, 247, .8));
+}
+
+.nitro-chat-input-container,
+.chat-input-container {
+    box-shadow: inset 0 0 0 1px #7c3aed !important;
+}
diff --git a/custom-themes/neon-viola/theme.json b/custom-themes/neon-viola/theme.json
new file mode 100644
index 0000000..199fd09
--- /dev/null
+++ b/custom-themes/neon-viola/theme.json
@@ -0,0 +1,10 @@
+{
+  "name": "Neon Viola",
+  "author": "infinityhotel",
+  "pieces": [
+    { "id": "cards",     "name": "Finestre / Card",   "file": "cards.css" },
+    { "id": "chat",      "name": "Chat",              "file": "chat.css" },
+    { "id": "toolbar",   "name": "Toolbar",           "file": "toolbar.css" },
+    { "id": "catalog",   "name": "Catalogo",          "file": "catalog.css" }
+  ]
+}
diff --git a/custom-themes/neon-viola/toolbar.css b/custom-themes/neon-viola/toolbar.css
new file mode 100644
index 0000000..ed74f7f
--- /dev/null
+++ b/custom-themes/neon-viola/toolbar.css
@@ -0,0 +1,9 @@
+/* Tema Neon Viola — pezzo "toolbar".
+   Best-effort: ricolora la barra strumenti in basso. Se i selettori non
+   matchano nella tua build, il pezzo non ha effetto (fallback sicuro). */
+
+.nitro-toolbar,
+[class*="toolbar-container"] {
+    background: linear-gradient(180deg, #2a0a4a 0%, #1a0730 100%) !important;
+    box-shadow: 0 -2px 10px rgba(124, 58, 237, .4) !important;
+}
diff --git a/src/api/index.ts b/src/api/index.ts
index 424bb4f..ae86f5d 100644
--- a/src/api/index.ts
+++ b/src/api/index.ts
@@ -28,6 +28,7 @@ export * from './room';
 export * from './room/events';
 export * from './room/widgets';
 export * from './soundboard';
+export * from './theme';
 export * from './ui-settings';
 export * from './user';
 export * from './utils';
diff --git a/src/api/theme/ThemeManager.ts b/src/api/theme/ThemeManager.ts
new file mode 100644
index 0000000..cbd9e80
--- /dev/null
+++ b/src/api/theme/ThemeManager.ts
@@ -0,0 +1,122 @@
+import { NitroLogger } from '@nitrots/nitro-renderer';
+import { GetConfigurationValue } from '../nitro';
+
+// ---------------------------------------------------------------------------
+//  Custom theme ecosystem (graphics-only, runtime-loaded).
+//
+//  A "theme" is a folder on the server (NOT bundled in the build) made of:
+//    <base>/index.json          -> { "themes": [ { id, name, author? } ] }
+//    <base>/<id>/theme.json      -> { name, pieces: [ { id, name, file } ] }
+//    <base>/<id>/<file>.css      -> one CSS "piece" (cards, chat, catalog, ...)
+//
+//  Each enabled piece is injected as a <link> in <head>. If a piece fails to
+//  load (404 / network) the link removes itself, so the UI falls back to the
+//  default look for that piece (per-piece fallback, never breaks the client).
+//
+//  The base url is configurable via ui-config ("theme.base.url") so themes can
+//  live anywhere (and never need a client rebuild to add/change them).
+// ---------------------------------------------------------------------------
+
+export interface ThemeInfo
+{
+    id: string;
+    name: string;
+    author?: string;
+}
+
+export interface ThemePiece
+{
+    id: string;
+    name: string;
+    file: string;
+}
+
+export interface ThemeManifest
+{
+    name: string;
+    pieces: ThemePiece[];
+}
+
+const LINK_ATTR = 'data-nitro-theme';
+
+export const GetThemeBaseUrl = (): string =>
+    GetConfigurationValue<string>('theme.base.url', 'custom-themes').replace(/\/+$/, '');
+
+export const FetchThemeIndex = async (): Promise<ThemeInfo[]> =>
+{
+    try
+    {
+        const response = await fetch(`${ GetThemeBaseUrl() }/index.json`, { cache: 'no-cache' });
+
+        if(!response.ok) return [];
+
+        const data = await response.json();
+
+        return Array.isArray(data?.themes) ? data.themes.filter((t: any) => t && t.id) : [];
+    }
+    catch(error)
+    {
+        NitroLogger.warn('[ThemeManager] index.json non caricabile, nessun tema custom', error);
+
+        return [];
+    }
+};
+
+export const FetchThemeManifest = async (themeId: string): Promise<ThemeManifest> =>
+{
+    if(!themeId) return null;
+
+    try
+    {
+        const response = await fetch(`${ GetThemeBaseUrl() }/${ themeId }/theme.json`, { cache: 'no-cache' });
+
+        if(!response.ok) return null;
+
+        const data = await response.json();
+
+        if(!data || !Array.isArray(data.pieces)) return null;
+
+        return {
+            name: data.name ?? themeId,
+            pieces: data.pieces.filter((p: any) => p && p.id && p.file)
+        };
+    }
+    catch(error)
+    {
+        NitroLogger.warn(`[ThemeManager] manifest non valido per tema "${ themeId }" -> fallback default`, error);
+
+        return null;
+    }
+};
+
+export const ClearTheme = (): void =>
+{
+    document.head.querySelectorAll(`link[${ LINK_ATTR }]`).forEach(node => node.remove());
+};
+
+export const ApplyThemePieces = (themeId: string, pieces: ThemePiece[]): void =>
+{
+    ClearTheme();
+
+    if(!themeId || !pieces || !pieces.length) return;
+
+    const base = GetThemeBaseUrl();
+
+    for(const piece of pieces)
+    {
+        const link = document.createElement('link');
+
+        link.rel = 'stylesheet';
+        link.setAttribute(LINK_ATTR, piece.id);
+        link.href = `${ base }/${ themeId }/${ piece.file }`;
+
+        // Per-piece fallback: a broken piece removes itself, leaving the default.
+        link.onerror = () =>
+        {
+            NitroLogger.warn(`[ThemeManager] pezzo tema rotto "${ themeId }/${ piece.file }" -> fallback default`);
+            link.remove();
+        };
+
+        document.head.appendChild(link);
+    }
+};
diff --git a/src/api/theme/index.ts b/src/api/theme/index.ts
new file mode 100644
index 0000000..ee14d93
--- /dev/null
+++ b/src/api/theme/index.ts
@@ -0,0 +1 @@
+export * from './ThemeManager';
diff --git a/src/api/utils/LocalStorageKeys.ts b/src/api/utils/LocalStorageKeys.ts
index 75ecfe8..c1ee611 100644
--- a/src/api/utils/LocalStorageKeys.ts
+++ b/src/api/utils/LocalStorageKeys.ts
@@ -5,4 +5,6 @@ export class LocalStorageKeys
     public static CHAT_WINDOW_ENABLED: string = 'chatWindowEnabled';
     public static CHAT_TRANSLATION_SETTINGS: string = 'chatTranslationSettings';
     public static CATALOG_CLASSIC_STYLE: string = 'catalogClassicStyle';
+    public static THEME_ACTIVE: string = 'nitroThemeActive';
+    public static THEME_PIECES: string = 'nitroThemePieces';
 }
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new file mode 100644
index 0000000..5077cd2
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diff --git a/src/assets/images/chat/chatbubbles/bubble_291.png b/src/assets/images/chat/chatbubbles/bubble_291.png
new file mode 100644
index 0000000..6a7e2a3
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diff --git a/src/assets/images/chat/chatbubbles/bubble_291_pointer.png b/src/assets/images/chat/chatbubbles/bubble_291_pointer.png
new file mode 100644
index 0000000..5283392
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diff --git a/src/components/MainView.tsx b/src/components/MainView.tsx
index e155f05..d94bbc5 100644
--- a/src/components/MainView.tsx
+++ b/src/components/MainView.tsx
@@ -28,6 +28,7 @@ import { HousekeepingView } from './housekeeping/HousekeepingView';
 import { RareValuesView } from './rare-values/RareValuesView';
 import { FortuneWheelView } from './fortune-wheel/FortuneWheelView';
 import { SoundboardView } from './soundboard/SoundboardView';
+import { ThemeApplier } from './theme/ThemeApplier';
 import { RadioView } from './radio/RadioView';
 import { InventoryView } from './inventory/InventoryView';
 import { ModToolsView } from './mod-tools/ModToolsView';
@@ -134,6 +135,7 @@ export const MainView: FC<{}> = props =>
 
     return (
         <>
+            <ThemeApplier />
             <div className="hidden" data-localization-version={ localizationVersion } />
             <AnimatePresence>
                 { landingViewVisible &&
diff --git a/src/components/soundboard/SoundboardView.tsx b/src/components/soundboard/SoundboardView.tsx
index 76d7a80..a3ecf40 100644
--- a/src/components/soundboard/SoundboardView.tsx
+++ b/src/components/soundboard/SoundboardView.tsx
@@ -10,6 +10,18 @@ export const SoundboardView: FC<{}> = () =>
     const [ isVisible, setIsVisible ] = useState(false);
     const { enabled, sounds, lastPlayed, play } = useSoundboard();
 
+    const PAGE_SIZE = 9;
+    const [ page, setPage ] = useState(0);
+    const totalPages = Math.max(1, Math.ceil(sounds.length / PAGE_SIZE));
+
+    // Clamp the page if the sound list shrinks (or on first load).
+    useEffect(() =>
+    {
+        if(page > (totalPages - 1)) setPage(0);
+    }, [ totalPages, page ]);
+
+    const pageSounds = sounds.slice(page * PAGE_SIZE, (page * PAGE_SIZE) + PAGE_SIZE);
+
     useEffect(() =>
     {
         const linkTracker: ILinkEventTracker = {
@@ -49,18 +61,32 @@ export const SoundboardView: FC<{}> = () =>
                     { !sounds.length &&
                         <Text small className="text-black/50">{ LocalizeText('soundboard.empty') }</Text> }
                     { !!sounds.length &&
-                        <div className="grid grid-cols-3 gap-2">
-                            { sounds.map(sound => (
-                                <button
-                                    key={ sound.id }
-                                    onClick={ () => play(sound) }
-                                    title={ sound.name }
-                                    className="flex h-20 cursor-pointer flex-col items-center justify-center gap-1 rounded-lg bg-[#3a7bb5] px-2 text-white shadow transition-transform hover:bg-[#336ea3] active:scale-95">
-                                    <span className="text-2xl leading-none">🔊</span>
-                                    <span className="line-clamp-2 text-center text-[11px] font-bold leading-tight">{ sound.name }</span>
-                                </button>
-                            )) }
-                        </div> }
+                        <>
+                            <div className="grid grid-cols-3 gap-2">
+                                { pageSounds.map(sound => (
+                                    <button
+                                        key={ sound.id }
+                                        onClick={ () => play(sound) }
+                                        title={ sound.name }
+                                        className="flex h-20 cursor-pointer flex-col items-center justify-center gap-1 rounded-lg bg-[#3a7bb5] px-2 text-white shadow transition-transform hover:bg-[#336ea3] active:scale-95">
+                                        <span className="text-2xl leading-none">🔊</span>
+                                        <span className="line-clamp-2 text-center text-[11px] font-bold leading-tight">{ sound.name }</span>
+                                    </button>
+                                )) }
+                            </div>
+                            { totalPages > 1 &&
+                                <Flex alignItems="center" justifyContent="center" gap={ 2 } className="select-none pt-1">
+                                    <button
+                                        disabled={ page === 0 }
+                                        onClick={ () => setPage(p => Math.max(0, p - 1)) }
+                                        className="cursor-pointer rounded bg-[#3a7bb5] px-3 py-1 text-sm font-bold text-white hover:bg-[#336ea3] disabled:cursor-default disabled:opacity-40">◀</button>
+                                    <Text small bold className="min-w-[44px] text-center text-[#2f6f95]">{ page + 1 } / { totalPages }</Text>
+                                    <button
+                                        disabled={ page >= (totalPages - 1) }
+                                        onClick={ () => setPage(p => Math.min(totalPages - 1, p + 1)) }
+                                        className="cursor-pointer rounded bg-[#3a7bb5] px-3 py-1 text-sm font-bold text-white hover:bg-[#336ea3] disabled:cursor-default disabled:opacity-40">▶</button>
+                                </Flex> }
+                        </> }
                     { lastPlayed &&
                         <Flex alignItems="center" justifyContent="center" className="pt-1">
                             <Text small className="text-[#2f6f95]">
diff --git a/src/components/theme/ThemeApplier.tsx b/src/components/theme/ThemeApplier.tsx
new file mode 100644
index 0000000..1f02ed1
--- /dev/null
+++ b/src/components/theme/ThemeApplier.tsx
@@ -0,0 +1,12 @@
+import { FC } from 'react';
+import { useThemes } from '../../hooks';
+
+// Mounted once at app level: subscribing to the shared theme store triggers the
+// load + apply effects, so the saved/default custom theme is applied on boot
+// and kept in sync when the user changes it from Settings. Renders nothing.
+export const ThemeApplier: FC<{}> = () =>
+{
+    useThemes();
+
+    return null;
+};
diff --git a/src/components/user-settings/UserSettingsView.tsx b/src/components/user-settings/UserSettingsView.tsx
index 999ac3b..77adc46 100644
--- a/src/components/user-settings/UserSettingsView.tsx
+++ b/src/components/user-settings/UserSettingsView.tsx
@@ -3,13 +3,15 @@ import { FC, useEffect, useState } from 'react';
 import { FaUserCog, FaVolumeDown, FaVolumeMute, FaVolumeUp } from 'react-icons/fa';
 import { DispatchMainEvent, DispatchUiEvent, LocalizeText, SendMessageComposer } from '../../api';
 import { NitroCardContentView, NitroCardHeaderView, NitroCardView, Text } from '../../common';
-import { useCatalogClassicStyle, useCatalogPlaceMultipleItems, useCatalogSkipPurchaseConfirmation, useChatWindow, useMessageEvent } from '../../hooks';
+import { useCatalogClassicStyle, useCatalogPlaceMultipleItems, useCatalogSkipPurchaseConfirmation, useChatWindow, useMessageEvent, useThemes } from '../../hooks';
 import { classNames } from '../../layout';
 
 export const UserSettingsView: FC<{}> = props =>
 {
     const [ isVisible, setIsVisible ] = useState(false);
+    const [ activeTab, setActiveTab ] = useState<'general' | 'themes'>('general');
     const [ userSettings, setUserSettings ] = useState<NitroSettingsEvent>(null);
+    const { themes, activeThemeId, manifest, activeEnabled, selectTheme, togglePiece } = useThemes();
     const [ catalogPlaceMultipleObjects, setCatalogPlaceMultipleObjects ] = useCatalogPlaceMultipleItems();
     const [ catalogSkipPurchaseConfirmation, setCatalogSkipPurchaseConfirmation ] = useCatalogSkipPurchaseConfirmation();
     const [ chatWindowEnabled, setChatWindowEnabled ] = useChatWindow();
@@ -132,6 +134,11 @@ export const UserSettingsView: FC<{}> = props =>
         <NitroCardView className="user-settings-window" theme="primary-slim" uniqueKey="user-settings">
             <NitroCardHeaderView headerText={ LocalizeText('widget.memenu.settings.title') } onCloseClick={ event => processAction('close_view') } />
             <NitroCardContentView className="text-black">
+                <div className="flex items-center gap-1 mb-2 border-b border-black/10 pb-1">
+                    <button type="button" onClick={ () => setActiveTab('general') } className={ classNames('px-3 py-1 rounded text-xs font-bold cursor-pointer transition-colors', activeTab === 'general' ? 'bg-[#1e7295] text-white' : 'bg-black/5 hover:bg-black/10') }>Generale</button>
+                    <button type="button" onClick={ () => setActiveTab('themes') } className={ classNames('px-3 py-1 rounded text-xs font-bold cursor-pointer transition-colors', activeTab === 'themes' ? 'bg-[#1e7295] text-white' : 'bg-black/5 hover:bg-black/10') }>Temi</button>
+                </div>
+                { activeTab === 'general' && <>
                 <div className="flex flex-col gap-1">
                     <div className="flex items-center gap-1">
                         <input checked={ userSettings.oldChat } className="form-check-input" type="checkbox" onChange={ event => processAction('oldchat', event.target.checked) } />
@@ -207,6 +214,35 @@ export const UserSettingsView: FC<{}> = props =>
                         <span className="text-black/30 group-hover:text-[#1e7295] text-[10px]">›</span>
                     </button>
                 </div>
+                </> }
+                { activeTab === 'themes' && <div className="flex flex-col gap-2">
+                    <div className="flex flex-col gap-1">
+                        <Text bold>Tema custom</Text>
+                        <select
+                            value={ activeThemeId }
+                            onChange={ event => selectTheme(event.target.value) }
+                            className="form-select rounded border border-black/15 px-2 py-1 text-sm">
+                            <option value="">Default (nessun tema)</option>
+                            { themes.map(theme => (
+                                <option key={ theme.id } value={ theme.id }>{ theme.name }{ theme.author ? ` — ${ theme.author }` : '' }</option>
+                            )) }
+                        </select>
+                    </div>
+                    { activeThemeId && manifest && manifest.pieces.length > 0 &&
+                        <div className="flex flex-col gap-1 pt-1 border-t border-black/10">
+                            <Text bold>Pezzi attivi</Text>
+                            { manifest.pieces.map(piece => (
+                                <div key={ piece.id } className="flex items-center gap-1">
+                                    <input className="form-check-input" type="checkbox" checked={ activeEnabled.includes(piece.id) } onChange={ () => togglePiece(piece.id) } />
+                                    <Text>{ piece.name }</Text>
+                                </div>
+                            )) }
+                        </div> }
+                    { activeThemeId && !manifest &&
+                        <Text small className="text-black/60">Tema non valido o non raggiungibile — uso il default.</Text> }
+                    { !themes.length &&
+                        <Text small className="text-black/60">Nessun tema disponibile. Aggiungi una cartella in custom-themes/ sul server.</Text> }
+                </div> }
             </NitroCardContentView>
         </NitroCardView>
     );
diff --git a/src/css/chat/Chats.css b/src/css/chat/Chats.css
index 43f093f..13187d2 100644
--- a/src/css/chat/Chats.css
+++ b/src/css/chat/Chats.css
@@ -807,6 +807,435 @@
             }
         }
 
+        &.bubble-253 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_253.png');
+            border-image-slice: 16 22 15 27 fill;
+            border-image-width: 16px 22px 15px 27px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_253_pointer.png');
+            }
+        }
+
+        &.bubble-254 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_254.png');
+            border-image-slice: 7 28 15 25 fill;
+            border-image-width: 7px 28px 15px 25px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_254_pointer.png');
+            }
+        }
+
+        &.bubble-255 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_255.png');
+            border-image-slice: 12 19 22 30 fill;
+            border-image-width: 12px 19px 22px 30px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_255_pointer.png');
+            }
+        }
+
+        &.bubble-256 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_256.png');
+            border-image-slice: 24 18 10 31 fill;
+            border-image-width: 24px 18px 10px 31px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_256_pointer.png');
+            }
+        }
+
+        &.bubble-257 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_257.png');
+            border-image-slice: 6 17 19 36 fill;
+            border-image-width: 6px 17px 19px 36px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_257_pointer.png');
+            }
+        }
+
+        &.bubble-258 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_258.png');
+            border-image-slice: 22 27 10 27 fill;
+            border-image-width: 22px 27px 10px 27px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_258_pointer.png');
+            }
+        }
+
+        &.bubble-259 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_259.png');
+            border-image-slice: 21 27 18 37 fill;
+            border-image-width: 21px 27px 18px 37px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_259_pointer.png');
+            }
+        }
+
+        &.bubble-260 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_260.png');
+            border-image-slice: 6 22 16 27 fill;
+            border-image-width: 6px 22px 16px 27px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_260_pointer.png');
+            }
+        }
+
+        &.bubble-261 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_261.png');
+            border-image-slice: 18 27 5 22 fill;
+            border-image-width: 18px 27px 5px 22px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_261_pointer.png');
+            }
+        }
+
+        &.bubble-262 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_262.png');
+            border-image-slice: 33 31 11 34 fill;
+            border-image-width: 33px 31px 11px 34px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_262_pointer.png');
+            }
+        }
+
+        &.bubble-263 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_263.png');
+            border-image-slice: 15 19 10 32 fill;
+            border-image-width: 15px 19px 10px 32px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_263_pointer.png');
+            }
+        }
+
+        &.bubble-264 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_264.png');
+            border-image-slice: 18 24 16 25 fill;
+            border-image-width: 18px 24px 16px 25px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_264_pointer.png');
+            }
+        }
+
+        &.bubble-265 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_265.png');
+            border-image-slice: 41 40 17 18 fill;
+            border-image-width: 41px 40px 17px 18px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_265_pointer.png');
+            }
+        }
+
+        &.bubble-266 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_266.png');
+            border-image-slice: 13 34 22 27 fill;
+            border-image-width: 13px 34px 22px 27px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_266_pointer.png');
+            }
+        }
+
+        &.bubble-267 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_267.png');
+            border-image-slice: 17 30 22 25 fill;
+            border-image-width: 17px 30px 22px 25px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_267_pointer.png');
+            }
+        }
+
+        &.bubble-268 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_268.png');
+            border-image-slice: 7 30 21 24 fill;
+            border-image-width: 7px 30px 21px 24px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_268_pointer.png');
+            }
+        }
+
+        &.bubble-269 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_269.png');
+            border-image-slice: 10 23 25 35 fill;
+            border-image-width: 10px 23px 25px 35px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_269_pointer.png');
+            }
+        }
+
+        &.bubble-270 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_270.png');
+            border-image-slice: 13 30 14 26 fill;
+            border-image-width: 13px 30px 14px 26px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_270_pointer.png');
+            }
+        }
+
+        &.bubble-271 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_271.png');
+            border-image-slice: 23 23 9 35 fill;
+            border-image-width: 23px 23px 9px 35px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_271_pointer.png');
+            }
+        }
+
+        &.bubble-272 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_272.png');
+            border-image-slice: 9 31 24 25 fill;
+            border-image-width: 9px 31px 24px 25px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_272_pointer.png');
+            }
+        }
+
+        &.bubble-273 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_273.png');
+            border-image-slice: 11 16 25 37 fill;
+            border-image-width: 11px 16px 25px 37px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_273_pointer.png');
+            }
+        }
+
+        &.bubble-274 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_274.png');
+            border-image-slice: 7 22 19 27 fill;
+            border-image-width: 7px 22px 19px 27px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_274_pointer.png');
+            }
+        }
+
+        &.bubble-275 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_275.png');
+            border-image-slice: 8 23 14 26 fill;
+            border-image-width: 8px 23px 14px 26px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_275_pointer.png');
+            }
+        }
+
+        &.bubble-276 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_276.png');
+            border-image-slice: 12 40 17 17 fill;
+            border-image-width: 12px 40px 17px 17px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_276_pointer.png');
+            }
+        }
+
+        &.bubble-277 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_277.png');
+            border-image-slice: 6 39 18 17 fill;
+            border-image-width: 6px 39px 18px 17px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_277_pointer.png');
+            }
+        }
+
+        &.bubble-278 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_278.png');
+            border-image-slice: 16 38 6 19 fill;
+            border-image-width: 16px 38px 6px 19px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_278_pointer.png');
+            }
+        }
+
+        &.bubble-279 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_279.png');
+            border-image-slice: 6 26 16 23 fill;
+            border-image-width: 6px 26px 16px 23px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_279_pointer.png');
+            }
+        }
+
+        &.bubble-280 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_280.png');
+            border-image-slice: 23 29 6 15 fill;
+            border-image-width: 23px 29px 6px 15px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_280_pointer.png');
+            }
+        }
+
+        &.bubble-281 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_281.png');
+            border-image-slice: 18 42 9 18 fill;
+            border-image-width: 18px 42px 9px 18px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_281_pointer.png');
+            }
+        }
+
+        &.bubble-282 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_282.png');
+            border-image-slice: 18 42 9 18 fill;
+            border-image-width: 18px 42px 9px 18px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_282_pointer.png');
+            }
+        }
+
+        &.bubble-283 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_283.png');
+            border-image-slice: 17 26 13 31 fill;
+            border-image-width: 17px 26px 13px 31px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_283_pointer.png');
+            }
+        }
+
+        &.bubble-284 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_284.png');
+            border-image-slice: 9 26 23 26 fill;
+            border-image-width: 9px 26px 23px 26px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_284_pointer.png');
+            }
+        }
+
+        &.bubble-285 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_285.png');
+            border-image-slice: 16 35 15 15 fill;
+            border-image-width: 16px 35px 15px 15px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_285_pointer.png');
+            }
+        }
+
+        &.bubble-286 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_286.png');
+            border-image-slice: 18 22 4 23 fill;
+            border-image-width: 18px 22px 4px 23px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_286_pointer.png');
+            }
+        }
+
+        &.bubble-287 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_287.png');
+            border-image-slice: 6 22 18 26 fill;
+            border-image-width: 6px 22px 18px 26px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_287_pointer.png');
+            }
+        }
+
+        &.bubble-288 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_288.png');
+            border-image-slice: 18 31 11 24 fill;
+            border-image-width: 18px 31px 11px 24px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_288_pointer.png');
+            }
+        }
+
+        &.bubble-289 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_289.png');
+            border-image-slice: 7 54 17 24 fill;
+            border-image-width: 7px 54px 17px 24px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_289_pointer.png');
+            }
+        }
+
+        &.bubble-290 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_290.png');
+            border-image-slice: 18 24 14 29 fill;
+            border-image-width: 18px 24px 14px 29px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_290_pointer.png');
+            }
+        }
+
+        &.bubble-291 {
+            border-image-source: url('@/assets/images/chat/chatbubbles/bubble_291.png');
+            border-image-slice: 9 26 11 35 fill;
+            border-image-width: 9px 26px 11px 35px;
+            border-image-repeat: stretch stretch;
+
+            .pointer {
+                background: url('@/assets/images/chat/chatbubbles/bubble_291_pointer.png');
+            }
+        }
+
         &.bubble-200,
         &.bubble-201,
         &.bubble-202,
@@ -1810,4 +2239,160 @@
             background: center / contain no-repeat url('@/assets/images/chat/chatbubbles/bubble_252_extra.png');
         }
     }
+    &.bubble-253 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_253.png');
+    }
+
+    &.bubble-254 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_254.png');
+    }
+
+    &.bubble-255 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_255.png');
+    }
+
+    &.bubble-256 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_256.png');
+    }
+
+    &.bubble-257 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_257.png');
+    }
+
+    &.bubble-258 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_258.png');
+    }
+
+    &.bubble-259 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_259.png');
+    }
+
+    &.bubble-260 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_260.png');
+    }
+
+    &.bubble-261 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_261.png');
+    }
+
+    &.bubble-262 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_262.png');
+    }
+
+    &.bubble-263 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_263.png');
+    }
+
+    &.bubble-264 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_264.png');
+    }
+
+    &.bubble-265 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_265.png');
+    }
+
+    &.bubble-266 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_266.png');
+    }
+
+    &.bubble-267 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_267.png');
+    }
+
+    &.bubble-268 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_268.png');
+    }
+
+    &.bubble-269 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_269.png');
+    }
+
+    &.bubble-270 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_270.png');
+    }
+
+    &.bubble-271 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_271.png');
+    }
+
+    &.bubble-272 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_272.png');
+    }
+
+    &.bubble-273 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_273.png');
+    }
+
+    &.bubble-274 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_274.png');
+    }
+
+    &.bubble-275 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_275.png');
+    }
+
+    &.bubble-276 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_276.png');
+    }
+
+    &.bubble-277 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_277.png');
+    }
+
+    &.bubble-278 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_278.png');
+    }
+
+    &.bubble-279 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_279.png');
+    }
+
+    &.bubble-280 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_280.png');
+    }
+
+    &.bubble-281 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_281.png');
+    }
+
+    &.bubble-282 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_282.png');
+    }
+
+    &.bubble-283 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_283.png');
+    }
+
+    &.bubble-284 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_284.png');
+    }
+
+    &.bubble-285 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_285.png');
+    }
+
+    &.bubble-286 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_286.png');
+    }
+
+    &.bubble-287 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_287.png');
+    }
+
+    &.bubble-288 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_288.png');
+    }
+
+    &.bubble-289 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_289.png');
+    }
+
+    &.bubble-290 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_290.png');
+    }
+
+    &.bubble-291 {
+        background-image: url('@/assets/images/chat/chatbubbles/bubble_291.png');
+    }
+
 }
diff --git a/src/hooks/index.ts b/src/hooks/index.ts
index 8a85f2a..46a0287 100644
--- a/src/hooks/index.ts
+++ b/src/hooks/index.ts
@@ -24,6 +24,7 @@ export * from './rooms/widgets';
 export * from './rooms/widgets/furniture';
 export * from './session';
 export * from './soundboard/useSoundboard';
+export * from './theme';
 export * from './translation';
 export * from './useLocalStorage';
 export * from './useSharedVisibility';
diff --git a/src/hooks/theme/index.ts b/src/hooks/theme/index.ts
new file mode 100644
index 0000000..effac86
--- /dev/null
+++ b/src/hooks/theme/index.ts
@@ -0,0 +1 @@
+export * from './useThemes';
diff --git a/src/hooks/theme/useThemes.ts b/src/hooks/theme/useThemes.ts
new file mode 100644
index 0000000..c2ef444
--- /dev/null
+++ b/src/hooks/theme/useThemes.ts
@@ -0,0 +1,108 @@
+import { useEffect, useMemo, useState } from 'react';
+import { useBetween } from 'use-between';
+import { ApplyThemePieces, ClearTheme, FetchThemeIndex, FetchThemeManifest, GetConfigurationValue, LocalStorageKeys, ThemeInfo, ThemeManifest } from '../../api';
+import { useLocalStorage } from '../useLocalStorage';
+
+// Per-user custom theme selection.
+//  - activeThemeId: '' = default (no custom theme). Default for new users comes
+//    from ui-config `theme.default` so the admin can set a hotel-wide default
+//    (like catalog.classic.style), while each user can override from Settings.
+//  - enabledPieces[themeId]: which graphic pieces of that theme are active
+//    (checkboxes). If absent, defaults to ui-config `theme.default.pieces`
+//    (when on the default theme) or ALL pieces.
+const useThemesState = () =>
+{
+    const [ activeThemeId, setActiveThemeId ] = useLocalStorage<string>(LocalStorageKeys.THEME_ACTIVE, GetConfigurationValue<string>('theme.default', ''));
+    const [ enabledPieces, setEnabledPieces ] = useLocalStorage<Record<string, string[]>>(LocalStorageKeys.THEME_PIECES, {});
+    const [ themes, setThemes ] = useState<ThemeInfo[]>([]);
+    const [ manifest, setManifest ] = useState<ThemeManifest>(null);
+    const [ loaded, setLoaded ] = useState(false);
+
+    // Load the theme index once.
+    useEffect(() =>
+    {
+        let alive = true;
+
+        FetchThemeIndex().then(list =>
+        {
+            if(alive) setThemes(list);
+        }).finally(() =>
+        {
+            if(alive) setLoaded(true);
+        });
+
+        return () => { alive = false; };
+    }, []);
+
+    // Load the manifest whenever the active theme changes.
+    useEffect(() =>
+    {
+        let alive = true;
+
+        if(!activeThemeId)
+        {
+            setManifest(null);
+            ClearTheme();
+            return;
+        }
+
+        FetchThemeManifest(activeThemeId).then(m =>
+        {
+            if(!alive) return;
+
+            setManifest(m);
+
+            if(!m) ClearTheme(); // broken/missing manifest -> full fallback to default
+        });
+
+        return () => { alive = false; };
+    }, [ activeThemeId ]);
+
+    // Which pieces are enabled for the current theme.
+    const activeEnabled = useMemo(() =>
+    {
+        if(!manifest) return [] as string[];
+
+        const stored = enabledPieces[activeThemeId];
+
+        if(stored) return stored;
+
+        const fromConfig = GetConfigurationValue<string[]>('theme.default.pieces', null);
+
+        // Default: config list (if this is the default theme) else every piece on.
+        if(fromConfig && activeThemeId === GetConfigurationValue<string>('theme.default', '')) return fromConfig;
+
+        return manifest.pieces.map(p => p.id);
+    }, [ manifest, enabledPieces, activeThemeId ]);
+
+    // Apply (inject/remove <link>s) whenever theme or enabled pieces change.
+    useEffect(() =>
+    {
+        if(!activeThemeId || !manifest)
+        {
+            ClearTheme();
+            return;
+        }
+
+        ApplyThemePieces(activeThemeId, manifest.pieces.filter(p => activeEnabled.includes(p.id)));
+    }, [ activeThemeId, manifest, activeEnabled ]);
+
+    const selectTheme = (id: string) => setActiveThemeId(id || '');
+
+    const togglePiece = (pieceId: string) =>
+    {
+        if(!activeThemeId || !manifest) return;
+
+        setEnabledPieces(prev =>
+        {
+            const current = prev[activeThemeId] ?? manifest.pieces.map(p => p.id);
+            const next = current.includes(pieceId) ? current.filter(x => x !== pieceId) : [ ...current, pieceId ];
+
+            return { ...prev, [activeThemeId]: next };
+        });
+    };
+
+    return { themes, activeThemeId, manifest, activeEnabled, loaded, selectTheme, togglePiece };
+};
+
+export const useThemes = () => useBetween(useThemesState);