(function ($) {
    // Ensure parent category is bold only if it has children
    $('.categorychecklist li').each(function () {
        var $this = $(this);
        if ($this.children('.children').length) {
            $this.children('label').css('font-weight', 'bold');
        }
    });

    // Collapsible subcategories
    $('.categorychecklist li').each(function () {
        if ($(this).children('.children').length) {
            $(this)
                .children('.children')
                .hide();
            $(this)
                .children('label')
                .before(
                    '<a class="toggle-subcategories show">[+]</a><a class="toggle-subcategories collapse" style="display:none;">[-]</a>'
                );
        }
    });

    $('.categorychecklist').on('click', 'a.toggle-subcategories', function (e) {
        e.preventDefault();
        e.stopPropagation();
        var $this = $(this);
        $this.parent()
            .children('.children')
            .slideToggle('fast', function () {
                $this.toggle();
                $this.siblings('.toggle-subcategories').toggle();
            });
    });

    // Auto-select parent categories when child is selected
    $('.categorychecklist').on('change', ':checkbox', function () {
        var $this = $(this);

        if ($this.is(':checked')) {
            // Check all parent categories
            $this.parents('li').children('input:checkbox').prop('checked', true);
        } else {
            // Uncheck child categories if parent is unchecked
            $this.closest('li').find('input:checkbox').prop('checked', false);
        }
    });

    // Prevent default category from selecting unrelated categories
    $('.categorychecklist input[type="checkbox"]').on('change', function () {
        const defaultCategoryId = 1; // Replace with the ID of your default category (General Knowledge Mcqs)

        if ($(this).val() == defaultCategoryId) {
            if ($(this).is(':checked')) {
                // Uncheck all other categories
                $('.categorychecklist input[type="checkbox"]')
                    .not(this)
                    .prop('checked', false);

                // Clear 'Make Primary' for unrelated categories
                $('.categorychecklist li').each(function () {
                    if (
                        $(this).find('input[type="checkbox"]').prop('checked') === false
                    ) {
                        $(this).find('.cat-item-action').remove();
                    }
                });
            }
        }
    });

    // Update 'Make Primary' visibility based on checked categories
    $('.categorychecklist input[type="checkbox"]').on('change', function () {
        const $parentLi = $(this).closest('li');
        const isChecked = $(this).prop('checked');

        if (isChecked) {
            $parentLi.find('.cat-item-action').show();
        } else {
            $parentLi.find('.cat-item-action').remove();
        }
    });
})(jQuery);
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	Comments on: The olfactory nerves affect what sense in brain?	</title>
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