Custom Style sheet for admin Panel

admin_style.php

/*----------- Print Stylesheet -------------*/


/* =====================================  
Print Stylesheet and script from
my theme folder to Admin Panel 
=======================================*/
add_action("admin_init", "custom_post_assets");
function custom_post_assets() {
	global $post_type;
	if (!empty($_GET['post'])) {
		$post        = get_post($_GET['post']);
		$currentType = $post->post_type;
		
		if ($currentType == "project") {
			project_admin_css();
			project_admin_scripts();
		}
	}
	/*
	if (($_GET['post_type'] == 'project') || ($post_type == 'project')) {
	// code
	add_action('admin_print_scripts', 'project_admin_scripts');
	add_action('admin_print_styles', 'project_admin_styles');
	}
	*/
}

function project_admin_css() {
	wp_enqueue_style('thickbox');
	wp_register_style('admin-styles', get_bloginfo('stylesheet_directory') . '/assets/admin-custom.css');
	wp_enqueue_style('admin-styles');
}

function project_admin_scripts() {
	wp_enqueue_script('media-upload');
	wp_enqueue_script('thickbox');
	
	# register custom script in WP
	wp_register_script('admin-script', get_bloginfo('stylesheet_directory') . '/assets/admin-custom-script.js', array(
		'jquery',
		'media-upload',
		'thickbox'
	));
	wp_enqueue_script('admin-script');
}

/*----------- Print Stylesheet -------------*/