From 45db97bc80c3401d7f30515a1d3ee8567df283d7 Mon Sep 17 00:00:00 2001
From: Brian Hanson <brian@brianhanson.net>
Date: Fri, 6 Jun 2025 10:59:47 -0500
Subject: [PATCH 1/3] Fixes #326

---
 src/Field.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/Field.php b/src/Field.php
index 1f68bb61..c673c0d6 100644
--- a/src/Field.php
+++ b/src/Field.php
@@ -1184,11 +1184,8 @@ protected function inputHtml(mixed $value, ?ElementInterface $element, $inline):
             ['type' => 'module']
         );
 
-        if ($ckeConfig->css) {
-            $view->registerCss($ckeConfig->css);
-        }
-
         $value = $this->prepValueForInput($value, $element);
+        $inputId = Html::id('input-ckeditor-' . $id);
         $html = Html::textarea($this->handle, $value, [
             'id' => $id,
             'class' => 'hidden',
@@ -1201,10 +1198,15 @@ protected function inputHtml(mixed $value, ?ElementInterface $element, $inline):
             ]);
         }
 
+        if ($ckeConfig->css) {
+            $html .= Html::tag('style', "#{$inputId} { $ckeConfig->css }");
+        }
+
         return Html::tag('div', $html, [
             'class' => array_filter([
                 $this->showWordCount ? 'ck-with-show-word-count' : null,
             ]),
+            'id' => $inputId,
             'data' => [
                 'element-id' => $element?->id,
                 'config' => $this->ckeConfig,

From 538a5d17aec25c9910439d09e9d55d3f40f975b4 Mon Sep 17 00:00:00 2001
From: Brian Hanson <brian@brianhanson.net>
Date: Mon, 16 Jun 2025 10:51:50 -0500
Subject: [PATCH 2/3] Use `registerCss` and namespace the ID

---
 src/Field.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Field.php b/src/Field.php
index c673c0d6..472273b7 100644
--- a/src/Field.php
+++ b/src/Field.php
@@ -1199,7 +1199,7 @@ protected function inputHtml(mixed $value, ?ElementInterface $element, $inline):
         }
 
         if ($ckeConfig->css) {
-            $html .= Html::tag('style', "#{$inputId} { $ckeConfig->css }");
+            $view->registerCss("#{$view->namespaceInputId($inputId)} { $ckeConfig->css }");
         }
 
         return Html::tag('div', $html, [

From fbc09e54bc1e2295ba9861a0e68039af5a47d7f1 Mon Sep 17 00:00:00 2001
From: brandonkelly <brandon@pixelandtonic.com>
Date: Tue, 17 Feb 2026 15:43:04 -0800
Subject: [PATCH 3/3] Release note

[ci skip]
---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e1e9459..19048a23 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 - The link modal UI now reflects Craft’s native Link fields. ([#375](https://github.com/craftcms/ckeditor/pull/375))
 - Added support for drag-n-drop image uploading. ([#486](https://github.com/craftcms/ckeditor/pull/486))
 - Added the “Advanced Link Fields” setting to CKEditor configs. ([#375](https://github.com/craftcms/ckeditor/pull/375))
+- Custom editor styles now get registered with a higher specificity than the default editor styles. ([#433](https://github.com/craftcms/ckeditor/pull/433)) 
 - Added `craft\ckeditor\helpers\CkeditorConfig`. ([#363](https://github.com/craftcms/ckeditor/pull/363))
 - Added `craft\ckeditor\web\assets\BaseCkeditorPackageAsset::$namespace`. ([#363](https://github.com/craftcms/ckeditor/pull/363))
 - Added `craft\ckeditor\CkeConfig::$advancedLinkFields`.