`@media` breaks the coloring of the php code

### Apache NetBeans version

Apache NetBeans 21

### What happened

Using `@media` after the php code breaks its coloring.


### Language / Project Type / NetBeans Component

php, css

### How to reproduce

- Create a new php file.
- Add code to the file
```php

@media screen and (min-width: 720px) {
}

```

### Did this work correctly in an earlier version?

No / Don't know

### Operating System

Ubuntu 22.04.4 LTS

### JDK

OpenJDK Runtime Environment 17.0.10+7-Ubuntu-122.04.1

### Apache NetBeans packaging

Apache NetBeans binary zip

### Anything else

_No response_

### Are you willing to submit a pull request?

No

Reproduce the problem in a new PHP file using the provided PHP code followed by an embedded block containing @media. Start by tracing the PHP/CSS editor syntax-coloring handling for that boundary. Done means the PHP code keeps its correct coloring when the @media rule is present.

Written by the indexing model from the issue text.