zed_data() );
		if ( $is_kids_mode ) {
			$google_font_url = 'https://fonts.googleapis.com/css2?family=Nunito:wght@300;400;500;600;700&display=swap';
			wp_enqueue_style( 'tutor-kids', $kids_css_url, array( 'tutor-core' ), $version );
		}

		// Core.
		wp_enqueue_style( 'tutor-google-fonts', $google_font_url, array(), $version );

		wp_enqueue_style( 'tutor-core', $core_css_url, array( 'tutor-google-fonts' ), $version );
		wp_enqueue_script( 'tutor-core', $core_js_url, array( 'wp-i18n', 'wp-date' ), $version, true );

		wp_localize_script( 'tutor-core', '_tutorobject', $localize_data );

		// Generate color palette from user selected brand color and add to the root.
		$brand_color = tutor_utils()->get_brand_color();
		if ( Options_V2::DEFAULT_BRAND_COLOR !== $brand_color ) {
			wp_add_inline_style( 'tutor-core', $this->load_core_color_palette( $brand_color ) );
		}

		if ( $is_dashboard ) {
			wp_enqueue_style( 'tutor-dashboard', $dashboard_css_url, array(), $version );
			wp_enqueue_script( 'tutor-dashboard', $dashboard_js_url, array( 'tutor-core', 'wp-i18n', 'wp-date' ), $version, true );
		}

		if ( $is_learning_area ) {
			wp_enqueue_style( 'tutor-learning', $learning_area_css_url, array(), $version );
			wp_enqueue_script( 'tutor-learning', $learning_area_js_url, array( 'tutor-core', 'wp-i18n', 'wp-date' ), $version, true );

			if ( is_single_course( true ) ) {
				wp_enqueue_style( 'tutor-plyr', tutor()->url . 'assets/lib/plyr/plyr.css', array(), $version );
				wp_enqueue_script( 'tutor-plyr', tutor()->url . 'assets/lib/plyr/plyr.polyfilled.min.js', array( 'jquery' ), $version, true );
			}
		}

		wp_enqueue_style( 'tutor-cart-button' );
	}

	/**
	 * Check if need to load legacy scripts
	 *
	 * If the current screen is dashboard or new learning area
	 * then this method will return false to avoid loading legacy css & js files
	 *
	 * @since 4.0.0
	 *
	 * @return boolean
	 */
	public static function should_load_legacy_scripts(): bool {
		// Always load in the admin panel.
		if ( is_admin() ) {
			return true;
		}

		$load = true;

		$post_id = get_the_ID();

		$is_learning_area   = tutor_utils()->is_learning_area();
		$is_legacy_learning = tutor_utils()->is_legacy_learning_mode();
		$is_dashboard       = tutor_utils()->is_dashboard_page();

		$page_ids = array(
			(int) tutor_utils()->get_option( 'student_register_page' ),
			(int) tutor_utils()->get_option( 'instructor_register_page' ),
		);

		// Ignore loading legacy scripts on specific case.
		if ( $is_learning_area && ! $is_legacy_learning ) {
			$load = false;
		} elseif ( $is_dashboard ) {
			$load = false;
		} elseif ( in_array( $post_id, $page_ids, true ) ) {
			$load = false;
		} else {
			// Ignore loading legacy scripts for these shortcodes.
			$has_shortcode = false;

			$shortcdes = array(
				'tutor_student_registration_form',
				'tutor_instructor_registration_form',
				'tutor_dashboard',
				'tutor_login',
			);

			$post_content = get_the_content();

			foreach ( $shortcdes as $shortcde ) {
				$has_shortcode = has_shortcode( $post_content, $shortcde );
				if ( $has_shortcode ) {
					$load = false;
					break;
				}
			}

			// Ignore loading legacy scripts for these blocks on frontend.
			if ( $load && function_exists( 'has_block' ) ) {
				$blocks = array(
					'tutor-gutenberg/student-registration',
					'tutor-gutenberg/instructor-registration',
				);

				foreach ( $blocks as $block ) {
					if ( has_block( $block, $post_id ) ) {
						$load = false;
						break;
					}
				}
			}
		}

		return apply_filters( 'tutor_should_load_legacy_scripts', $load );
	}

	/**
	 * Add custom meta data to the head section.
	 *
	 * Outputs a viewport meta tag to improve mobile responsiveness.
	 *
	 * @since 4.0.0
	 *
	 * @return void
	 */
	public function add_custom_data() {
		if ( tutor_utils()->is_dashboard_page() || tutor_utils()->is_learning_area() ) {
			echo '<meta name="viewport" content="width=device-width, initial-scale=1" />' . "\n";
		}
	}

	/**
	 * Add preload to CSS
	 *
	 * @param string $html HTML.
	 * @param string $handle Handle.
	 *
	 * @since 4.0.0
	 *
	 * @return string
	 */
	public function add_preload_to_css( $html, $handle ) {
		if ( 'tutor-google-fonts' === $handle ) {
			$html = str_replace(
				"rel='stylesheet'",
				"rel='preload' as='style' onload=\"this.onload=null;this.rel='stylesheet'\"",
				$html
			);
		}
		return $html;
	}
}