), $email_theme_settings['color']['palette']['default'] ?? array() );
 foreach ( $color_definitions as $color ) {
 $css_presets .= ".has-{$color['slug']}-color { color: {$color['color']}; } \n";
 $css_presets .= ".has-{$color['slug']}-background-color { background-color: {$color['color']}; } \n";
 $css_presets .= ".has-{$color['slug']}-border-color { border-color: {$color['color']}; } \n";
 }
 // Block specific styles.
 $css_blocks = '';
 $blocks = $this->get_theme()->get_styles_block_nodes();
 foreach ( $blocks as $block_metadata ) {
 $css_blocks .= $this->get_theme()->get_styles_for_block( $block_metadata );
 }
 // Remove `:root :where(...)` selectors since they are not supported in the CSS inliner.
 $css_blocks = preg_replace( '/:root\s:where\((.*?)\)/', '$1', $css_blocks );
 // Element specific styles.
 $elements_styles = $this->get_theme()->get_raw_data()['styles']['elements'] ?? array();
 // Because the section styles is not a part of the output the `get_styles_block_nodes` method, we need to get it separately.
 if ( $template && $template->wp_id ) {
 $template_theme = (array) get_post_meta( $template->wp_id, Email_Editor::WOOCOMMERCE_EMAIL_META_THEME_TYPE, true );
 $template_styles = (array) ( $template_theme['styles'] ?? array() );
 $template_elements = $template_styles['elements'] ?? array();
 $elements_styles = array_replace_recursive( (array) $elements_styles, (array) $template_elements );
 }
 if ( $post ) {
 $post_theme = (array) get_post_meta( $post->ID, 'woocommerce_email_theme', true );
 $post_styles = (array) ( $post_theme['styles'] ?? array() );
 $post_elements = $post_styles['elements'] ?? array();
 $elements_styles = array_replace_recursive( (array) $elements_styles, (array) $post_elements );
 }
 $css_elements = '';
 foreach ( $elements_styles as $key => $elements_style ) {
 $selector = $key;
 if ( 'button' === $key ) {
 $selector = '.wp-block-button';
 $css_elements .= wp_style_engine_get_styles( $elements_style, array( 'selector' => '.wp-block-button' ) )['css'] ?? '';
 // Add color to link element.
 $css_elements .= wp_style_engine_get_styles( array( 'color' => array( 'text' => $elements_style['color']['text'] ?? '' ) ), array( 'selector' => '.wp-block-button a' ) )['css'] ?? '';
 continue;
 }
 switch ( $key ) {
 case 'heading':
 $selector = 'h1, h2, h3, h4, h5, h6';
 break;
 case 'link':
 $selector = 'a:not(.button-link)';
 break;
 }
 $css_elements .= wp_style_engine_get_styles( $elements_style, array( 'selector' => $selector ) )['css'] ?? '';
 }
 $result = $css_presets . $css_blocks . $css_elements;
 // Because font-size can by defined by the clamp() function that is not supported in the e-mail clients, we need to replace it to the value.
 // Regular expression to match clamp() function and capture its max value.
 $pattern = '/clamp\([^,]+,\s*[^,]+,\s*([^)]+)\)/';
 // Replace clamp() with its maximum value.
 $result = (string) preg_replace( $pattern, '$1', $result );
 return $result;
 }
 public function translate_slug_to_font_size( string $font_size ): string {
 $settings = $this->get_settings();
 foreach ( $settings['typography']['fontSizes']['default'] as $font_size_definition ) {
 if ( $font_size_definition['slug'] === $font_size ) {
 return $font_size_definition['size'];
 }
 }
 return $font_size;
 }
 public function translate_slug_to_color( string $color_slug ): string {
 $settings = $this->get_settings();
 $color_definitions = array_merge( $settings['color']['palette']['theme'] ?? array(), $settings['color']['palette']['default'] ?? array() );
 foreach ( $color_definitions as $color_definition ) {
 if ( $color_definition['slug'] === $color_slug ) {
 return strtolower( $color_definition['color'] );
 }
 }
 return $color_slug;
 }
 public function get_variables_values_map(): array {
 $variables_css = $this->get_theme()->get_stylesheet( array( 'variables' ) );
 $map = array();
 // Regular expression to match CSS variable definitions.
 $pattern = '/--(.*?):\s*(.*?);/';
 if ( preg_match_all( $pattern, $variables_css, $matches, PREG_SET_ORDER ) ) {
 foreach ( $matches as $match ) {
 // '--' . $match[1] is the variable name, $match[2] is the variable value.
 $map[ '--' . $match[1] ] = $match[2];
 }
 }
 return $map;
 }
}