Fix scroll gutter

Author: zenoachtig

packages/gitbook/src/components/RootLayout/CustomizationRootLayout.tsx

@@ -91,7 +91,7 @@ export async function CustomizationRootLayout(props: {
             suppressHydrationWarning
             lang={customization.internationalization.locale}
             className={tcls(
-                'gutter-stable',
+                'sheet-open:gutter-stable',
                 customization.styling.corners && `${customization.styling.corners}-corners`,
                 'theme' in customization.styling && `theme-${customization.styling.theme}`,
                 tintColor ? ' tint' : 'no-tint',

packages/gitbook/tailwind.config.ts

@@ -579,7 +579,7 @@ const config: Config = {
             addVariant('chat-open', 'body:has(.ai-chat[aria-expanded="true"]) &');
             addVariant(
                 'sheet-open',
-                'html:has(.side-sheet[aria-modal="true"][aria-expanded="true"]) &'
+                'html:has(.side-sheet[aria-modal="true"][aria-expanded="true"]) &, &:has(.side-sheet[aria-modal="true"][aria-expanded="true"])'
             );
 
             /**