/**
 * Dota 2 Arena — поведение хедера (порт логики React site-header.tsx):
 * выпадающие меню (hover + click, закрытие по клику вне), мобильное меню.
 */
(function () {
	"use strict";

	var header = document.querySelector("[data-site-header]");
	if (!header) return;

	/* ---------- Desktop dropdowns ---------- */
	var groups = header.querySelectorAll("[data-nav-group]");

	function closeGroup(group) {
		var dd = group.querySelector("[data-nav-dropdown]");
		var btn = group.querySelector("[data-nav-toggle]");
		if (dd) dd.classList.add("hidden");
		if (btn) {
			btn.setAttribute("aria-expanded", "false");
			var chev = btn.querySelector("svg:last-of-type");
			if (chev) chev.classList.remove("rotate-180");
		}
	}

	function openGroup(group) {
		groups.forEach(function (g) {
			if (g !== group) closeGroup(g);
		});
		var dd = group.querySelector("[data-nav-dropdown]");
		var btn = group.querySelector("[data-nav-toggle]");
		if (dd) dd.classList.remove("hidden");
		if (btn) {
			btn.setAttribute("aria-expanded", "true");
			var chev = btn.querySelector("svg:last-of-type");
			if (chev) chev.classList.add("rotate-180");
		}
	}

	groups.forEach(function (group) {
		var btn = group.querySelector("[data-nav-toggle]");
		group.addEventListener("mouseenter", function () {
			openGroup(group);
		});
		group.addEventListener("mouseleave", function () {
			closeGroup(group);
		});
		if (btn) {
			btn.addEventListener("click", function () {
				var expanded = btn.getAttribute("aria-expanded") === "true";
				if (expanded) {
					closeGroup(group);
				} else {
					openGroup(group);
				}
			});
		}
	});

	document.addEventListener("mousedown", function (e) {
		var nav = header.querySelector("[data-desktop-nav]");
		if (nav && !nav.contains(e.target)) {
			groups.forEach(closeGroup);
		}
	});

	/* ---------- Footer mobile accordions ---------- */
	document.querySelectorAll("[data-footer-group]").forEach(function (group) {
		var btn = group.querySelector("[data-footer-toggle]");
		var panel = group.querySelector("[data-footer-panel]");
		if (!btn || !panel) return;
		btn.addEventListener("click", function () {
			var open = btn.getAttribute("aria-expanded") === "true";
			btn.setAttribute("aria-expanded", open ? "false" : "true");
			panel.classList.toggle("hidden", open);
			var chev = btn.querySelector("svg");
			if (chev) chev.classList.toggle("rotate-180", !open);
		});
	});

	/* ---------- Mobile menu ---------- */
	var toggle = header.querySelector("[data-mobile-toggle]");
	var mobileMenu = header.querySelector("[data-mobile-menu]");

	if (toggle && mobileMenu) {
		toggle.addEventListener("click", function () {
			var open = toggle.getAttribute("aria-expanded") === "true";
			toggle.setAttribute("aria-expanded", open ? "false" : "true");
			mobileMenu.classList.toggle("hidden", open);
			mobileMenu.classList.toggle("grid", !open);
			var iconMenu = toggle.querySelector("[data-icon-menu]");
			var iconClose = toggle.querySelector("[data-icon-close]");
			if (iconMenu) iconMenu.classList.toggle("hidden", !open);
			if (iconClose) iconClose.classList.toggle("hidden", open);
		});
	}
})();

/**
 * Back to top — глобально для всех страниц (порт common/back-to-top.tsx).
 * Страничные скрипты (home.js, news.js, news-single.js) пропускают инициализацию
 * по флагу data-btt-init, чтобы не вешать второй scroll-слушатель.
 */
(function () {
	"use strict";

	var btn = document.querySelector("[data-back-to-top]");
	if (!btn || btn.dataset.bttInit) return;
	btn.dataset.bttInit = "1";

	var reduceMotion = window.matchMedia("(prefers-reduced-motion: reduce)").matches;
	var shown = false;
	var ticking = false;

	function apply(show) {
		if (show === shown) return;
		shown = show;
		btn.tabIndex = show ? 0 : -1;
		btn.setAttribute("aria-hidden", show ? "false" : "true");
		btn.classList.toggle("pointer-events-auto", show);
		btn.classList.toggle("scale-100", show);
		btn.classList.toggle("opacity-75", show);
		btn.classList.toggle("pointer-events-none", !show);
		btn.classList.toggle("scale-[0.94]", !show);
		btn.classList.toggle("opacity-0", !show);
	}

	function onScroll() {
		if (ticking) return;
		ticking = true;
		requestAnimationFrame(function () {
			apply(window.scrollY > Math.max(900, window.innerHeight * 1.5));
			ticking = false;
		});
	}
	onScroll();
	window.addEventListener("scroll", onScroll, { passive: true });

	btn.addEventListener("click", function () {
		window.scrollTo({ top: 0, behavior: reduceMotion ? "auto" : "smooth" });
	});
})();