provider not affect modal content

[etroynov]

Describe the Bug

I created new provider for radix-ui:

'use client';

import { Theme } from '@radix-ui/themes';
import { type FC, type PropsWithChildren } from 'react';

import { useTheme } from '@payloadcms/ui';

const AppProvider: FC<PropsWithChildren> = ({ children }) => {
  const { theme } = useTheme();

  return <Theme appearance={theme}>{children}</Theme>;
};

export default AppProvider;

It works fine outside modal:

but it doesn't work inside modal:

It's happens because provider not wrap modal container:

If I will move container manually everything working as expected:

Link to the code that reproduces this issue

https://github.com/rLukoyanov/crm

Reproduction Steps

Create custom provider:

'use client';

import { Theme } from '@radix-ui/themes';
import { type FC, type PropsWithChildren } from 'react';

import { useTheme } from '@payloadcms/ui';

const AppProvider: FC<PropsWithChildren> = ({ children }) => {
  const { theme } = useTheme();

  return <Theme appearance={theme}>{children}</Theme>;
};

export default AppProvider;

Which area(s) are affected? (Select all that apply)

area: ui

Environment Info

Binaries:
  Node: 24.1.0
  npm: 11.3.0
  Yarn: N/A
  pnpm: 10.12.1
Relevant Packages:
  payload: 3.44.0
  next: 15.3.4
  @payloadcms/db-mongodb: 3.44.0
  @payloadcms/email-nodemailer: 3.44.0
  @payloadcms/graphql: 3.44.0
  @payloadcms/next/utilities: 3.44.0
  @payloadcms/plugin-cloud-storage: 3.44.0
  @payloadcms/plugin-form-builder: 3.44.0
  @payloadcms/plugin-seo: 3.44.0
  @payloadcms/richtext-lexical: 3.44.0
  @payloadcms/richtext-slate: 3.44.0
  @payloadcms/storage-s3: 3.44.0
  @payloadcms/translations: 3.44.0
  @payloadcms/ui/shared: 3.44.0
  react: 19.1.0
  react-dom: 19.1.0
Operating System:
  Platform: darwin
  Arch: arm64
  Version: Darwin Kernel Version 23.5.0: Wed May  1 20:16:51 PDT 2024; root:xnu-10063.121.3~5/RELEASE_ARM64_T8103
  Available memory (MB): 16384
  Available CPU cores: 8

[github-actions]

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Useful Resources

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[etroynov]

@denolfe

I made a hack for version 2:

import { Theme } from '@radix-ui/themes';
import { useTheme } from 'payload/dist/admin/components/utilities/Theme';
import React, { useEffect, type FC, type PropsWithChildren } from 'react';

import './globals.css';

export const AppProvider: FC<PropsWithChildren> = ({ children }) => {
  const { theme } = useTheme();

  useEffect(() => {
    const themeRoot = document.querySelector<HTMLElement>(
      '[data-is-root-theme="true"]',
    );
    const modalContainer = document.querySelector<HTMLElement>(
      '.payload__modal-container',
    );

    if (themeRoot && modalContainer) {
      themeRoot.appendChild(modalContainer);
    }
  }, []);

  return <Theme appearance={theme}>{children}</Theme>;
};

[etroynov]

But in version 3 it doesn't work:

[etroynov]

I made a hack for v3 ( it works for me ):

useEffect(() => {
    const themeRoot = document.querySelector<HTMLElement>(
      '[data-is-root-theme="true"]',
    );
    if (!themeRoot) return;

    const observer = new MutationObserver(() => {
      const modalContainer = document.querySelector<HTMLElement>(
        '.payload__modal-container',
      );
      if (modalContainer && !themeRoot.contains(modalContainer)) {
        modalContainer.remove();
        themeRoot.appendChild(modalContainer);
      }
    });

    observer.observe(document.body, { childList: true, subtree: false });
    return () => observer.disconnect();
  }, []);