ul li counter last first taxonomy list

gistfile1.phtml

<?php if ( is_page_template('page-gallery.php') || 'album_type' == get_post_type())  : ?>

	<section id="gallery_category_nav" class="widget">

<?php   $taxonomy = 'album_category';
        $args = array(
		'orderby'       => 'count',
		'order'       => 'DESC',
		'fields'        => 'all',
		'hide_empty'    => false,
		'hierarchical'  => false,
		'pad_counts'    => true,
			);
	$terms = get_terms( $taxonomy, $args ); // Get all terms of a taxonomy

	$count = count( $terms );
        $i = 1;
	if ( $terms && !is_wp_error( $terms )) : ?>
    <ul>
        <?php foreach ( $terms as $term ) :  ?>
        <?php $termname = strtolower($term->name); $termname = str_replace(' ', ' ', $termname);
	// first item
	if($i == 1) {
	  $class = 'first_cat';

	// last item
	} elseif ($i == $count) {
	  $class = 'last_cat';

	// not first / not last item
	} else {
	  $class = '';
	}
	?>
            <li class="<?php echo $class; ?>">
		<a href="<?php echo get_term_link( $term->slug, $taxonomy); ?>">
		  <?php echo $termname; ?>
		</a>
		<span class="albumcat_count">
		  <?php _e( __( '&#40;', 'stargazer' )); ?>
		  <?php echo $term->count; ?>
		  <?php _e( __( '&#41;', 'stargazer' )); ?>
		</span>
	    </li>

        <?php
	$i++; // raise $i by one
	endforeach; ?>
    </ul>

<?php endif;?>

	</section>

<?php endif; ?>