for single post pages. * * Applies to all posts — typography settings are site-wide. * The CSS targets .entry-content (PR Theme's article body class) * and overrides the theme's CSS custom properties so the cascade * works naturally with headings and sub-elements. * * Side effects: echoes a \n", $css // Already escaped — contains only sanitized option values. ); } /** * Build the CSS string from current settings. * * Reads each setting at call time (never cached) so changes * take effect immediately without cache invalidation. * * @return string CSS rules, or empty string if all defaults. */ private function build_css(): string { $rules = []; $font_family = $this->get_font_family_stack(); if ( '' !== $font_family ) { $rules[] = sprintf( ".entry-content,\n.entry-content p,\n.entry-content li {\n\tfont-family: %s;\n}", $font_family ); } $font_size = absint( get_option( self::OPT_FONT_SIZE, 0 ) ); if ( $font_size > 0 ) { $rules[] = sprintf( ".entry-content,\n.entry-content p,\n.entry-content li {\n\tfont-size: %dpx;\n\tline-height: 1.7;\n}", $font_size ); } // Restore bullet points — the theme's global reset strips // list-style from all ul/ol, which removes bullets from article // content. This re-applies them inside .entry-content only. $rules[] = implode( "\n", [ '.entry-content ul {', "\tlist-style: disc;", "\tpadding-left: 1.5em;", "\tmargin: 1em 0;", '}', '.entry-content ol {', "\tlist-style: decimal;", "\tpadding-left: 1.5em;", "\tmargin: 1em 0;", '}', '.entry-content li {', "\tmargin-bottom: 0.4em;", '}', ] ); $table_borders = get_option( self::OPT_TABLE_BORDERS, '1' ); if ( '1' === $table_borders ) { // Uses theme CSS custom properties for dark mode compatibility. // --color-border-default, --color-bg-secondary, --color-bg-primary, // --color-text-primary are set by PR Theme for both light and dark. $rules[] = implode( "\n", [ '.entry-content .prab-table-wrap {', "\toverflow-x: auto;", "\t-webkit-overflow-scrolling: touch;", "\tmargin: 1.5em 0;", '}', '.entry-content table {', "\tborder-collapse: collapse;", "\twidth: 100%;", "\tmin-width: 480px;", '}', '.entry-content th,', '.entry-content td {', "\tborder: 1px solid var(--color-border-default, #d1d5db);", "\tpadding: 0.6em 1em;", "\ttext-align: left;", "\tcolor: var(--color-text-primary, #111827);", '}', '.entry-content thead th {', "\tbackground: var(--color-bg-secondary, #f3f4f6);", "\tfont-weight: 600;", '}', '.entry-content tbody tr:nth-child(even) {', "\tbackground: var(--color-bg-secondary, #f9fafb);", '}', '@media (max-width: 600px) {', "\t.entry-content th,", "\t.entry-content td {", "\t\tpadding: 0.4em 0.6em;", "\t\tfont-size: 14px;", "\t}", '}', ] ); } return implode( "\n\n", $rules ); } /** * Map the stored font-family key to a full CSS font stack. * * Returns empty string for 'default' (let the theme decide). * * @return string CSS font-family value, or empty for theme default. */ private function get_font_family_stack(): string { $key = sanitize_text_field( get_option( self::OPT_FONT_FAMILY, 'default' ) ); $stacks = [ 'default' => '', 'inter' => '"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif', 'georgia' => '"Georgia", "Times New Roman", Times, serif', 'merriweather' => '"Merriweather", Georgia, "Times New Roman", serif', 'lora' => '"Lora", Georgia, "Times New Roman", serif', 'open_sans' => '"Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif', 'roboto' => '"Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif', 'system' => '-apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif', ]; return $stacks[ $key ] ?? ''; } /** * Get available font choices for the settings UI. * * @return array Map of key => display label. */ public static function get_font_choices(): array { return [ 'default' => __( 'Theme Default (Inter)', 'prautoblogger' ), 'inter' => __( 'Inter (Sans-serif)', 'prautoblogger' ), 'georgia' => __( 'Georgia (Serif)', 'prautoblogger' ), 'merriweather' => __( 'Merriweather (Serif)', 'prautoblogger' ), 'lora' => __( 'Lora (Serif)', 'prautoblogger' ), 'open_sans' => __( 'Open Sans (Sans-serif)', 'prautoblogger' ), 'roboto' => __( 'Roboto (Sans-serif)', 'prautoblogger' ), 'system' => __( 'System Default', 'prautoblogger' ), ]; } /** * Enqueue Google Fonts stylesheet when a web font is selected. * * Only loads on singular post pages that use a Google-hosted font. * * Side effects: enqueues a remote stylesheet. * * @return void */ public function on_enqueue_fonts(): void { if ( ! is_singular( 'post' ) ) { return; } $font = sanitize_text_field( get_option( self::OPT_FONT_FAMILY, 'default' ) ); // Map font keys to Google Fonts URLs. Inter is already loaded by the theme. $google_fonts = [ 'merriweather' => 'https://fonts.googleapis.com/css2?family=Merriweather:wght@400;700&display=swap', 'lora' => 'https://fonts.googleapis.com/css2?family=Lora:wght@400;700&display=swap', 'open_sans' => 'https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap', 'roboto' => 'https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap', ]; if ( isset( $google_fonts[ $font ] ) ) { wp_enqueue_style( 'prautoblogger-google-font', $google_fonts[ $font ], [], null // No version for external CDN URLs. ); } } /** * Wrap bare elements in a scrollable container for mobile. * * Tables wider than the viewport break mobile layouts. This wraps * each

not already inside a wrapper in a *

that enables horizontal scrolling. * * Only runs on singular post pages. * * Side effects: modifies post HTML content via the_content filter. * * @param string $content Post HTML content. * @return string Modified content with tables wrapped. */ public function on_wrap_tables( string $content ): string { if ( ! is_singular( 'post' ) ) { return $content; } if ( '1' !== get_option( self::OPT_TABLE_BORDERS, '1' ) ) { return $content; } // Wrap

elements not already inside a .prab-table-wrap. return (string) preg_replace( '/(?)\s*(])/i', '

$1', (string) preg_replace( '/<\/table>\s*/i', '

', $content ) ); } }