class DataStyleSanitizer::Processor

def extract_styles
  @doc.css("[data-style]").each do |node|
    style_string = node.get_attribute("data-style")
    next if style_string.nil? || style_string.strip.empty? # Skip empty attributes
    # Remove CSS comments and normalize spacing
    style_string = style_string.gsub(/\/\*.*?\*\//, "").strip
    style_string = style_string.split(";").map(&:strip).reject(&:empty?).join("; ")
    next if style_string.empty? # Skip if the style becomes empty after cleaning
    class_name = generate_class_name(style_string)
    # Apply class and remove attribute
    node.remove_attribute("data-style")
    node.set_attribute("class", [node.get_attribute("class"), class_name].compact.join(" "))
    # Store unique styles
    @styles[class_name] ||= style_string
  end
end