// Replace No Posts loop structure
remove_action( 'genesis_loop_else', 'genesis_do_noposts' );
add_action( 'genesis_loop_else', 'prefix_alter_no_posts_output' );
function prefix_alter_no_posts_output() {
// Output no post content and structure
echo '<div class="entry"><div class="entry-content">';
printf( '<p class="no-posts-message">%s</p>', apply_filters( 'genesis_noposts_text', __( 'Sorry, no content matched your criteria.', 'genesis' ) ) );
// Add widget area if needed
echo '</div></div><!-- End of No Posts -->';
}