/**
 * Applies the :focus-visible polyfill at the given scope.
 * A scope in this case is either the top-level Document or a Shadow Root.
 *
 * @param {(Document|ShadowRoot)} scope
 * @see https://github.com/WICG/focus-visible
 */
function applyFocusVisiblePolyfill(t){var n=!0,o=!1,i=null,d={};function s(e){return!!(e&&e!==document&&"HTML"!==e.nodeName&&"BODY"!==e.nodeName&&"classList"in e&&"contains"in e.classList)}function u(e){e.classList.contains("focus-visible")||(e.classList.add("focus-visible"),e.setAttribute("data-focus-visible-added",""))}function e(e){n=!1}function c(){document.addEventListener("mousemove",a),document.addEventListener("mousedown",a),document.addEventListener("mouseup",a),document.addEventListener("pointermove",a),document.addEventListener("pointerdown",a),document.addEventListener("pointerup",a),document.addEventListener("touchmove",a),document.addEventListener("touchstart",a),document.addEventListener("touchend",a)}function a(e){e.target.nodeName&&"html"===e.target.nodeName.toLowerCase()||(n=!1,document.removeEventListener("mousemove",a),document.removeEventListener("mousedown",a),document.removeEventListener("mouseup",a),document.removeEventListener("pointermove",a),document.removeEventListener("pointerdown",a),document.removeEventListener("pointerup",a),document.removeEventListener("touchmove",a),document.removeEventListener("touchstart",a),document.removeEventListener("touchend",a))}document.addEventListener("keydown",function(e){e.code!=="Tab"||(s(t.activeElement)&&u(t.activeElement),n=!0)},!0),document.addEventListener("mousedown",e,!0),document.addEventListener("pointerdown",e,!0),document.addEventListener("touchstart",e,!0),document.addEventListener("visibilitychange",function(e){"hidden"===document.visibilityState&&(o&&(n=!0),c())},!0),c(),t.addEventListener("focus",function(e){s(e.target)&&(n||function(e){var t=e.type,n=e.tagName;return!("INPUT"!==n||!d[t]||e.readOnly)||("TEXTAREA"===n&&!e.readOnly||!!e.isContentEditable)}(e.target))&&u(e.target)},!0),t.addEventListener("blur",function(e){s(e.target)&&(e.target.classList.contains("focus-visible")||e.target.hasAttribute("data-focus-visible-added"))&&(o=!0,window.clearTimeout(i),i=window.setTimeout(function(){o=!1,window.clearTimeout(i)},100),function(e){e.hasAttribute("data-focus-visible-added")&&(e.classList.remove("focus-visible"),e.removeAttribute("data-focus-visible-added"))}(e.target))},!0),t.nodeType===Node.DOCUMENT_FRAGMENT_NODE&&t.host?t.host.setAttribute("data-js-focus-visible",""):t.nodeType===Node.DOCUMENT_NODE&&document.documentElement.classList.add("js-focus-visible")}if("undefined"!=typeof window&&"undefined"!=typeof document){var event;window.applyFocusVisiblePolyfill=applyFocusVisiblePolyfill;try{event=new CustomEvent("focus-visible-polyfill-ready")}catch(e){(event=document.createEvent("CustomEvent")).initCustomEvent("focus-visible-polyfill-ready",!1,!1,{})}window.dispatchEvent(event)}"undefined"!=typeof document&&applyFocusVisiblePolyfill(document);