import React, { useState, useEffect, useRef } from "react";
import { useNavigate, useLocation, Link } from "react-router-dom";
import logo from "../assets/img/getgo.svg";
import { useAppDispatch, useAppSelector } from "../hooks/useRedux";
import { useMutation } from "@tanstack/react-query";
import {
  startLoading,
  startSmallLoading,
  stopLoading,
  stopSmallLoading,
} from "../features/loading/loadingSlice";
import { productApi } from "../apis/productApi";
import { Area } from "../services/product/type";
import { accountLogout } from "../features/account/accuntSlice";
import { useSelector } from "react-redux";
import { setAreas } from "../features/areas/areasSlice";
import i18n from "../i18n";
import { useTranslation } from "react-i18next";
import { getWithExpiry, setWithExpiry } from "../logic/loigicUtils";

const Header: React.FC = () => {
  const navigate = useNavigate();
  // const areas = useSelector((state: any) => state.areas.areas);
  const areas = getWithExpiry<Area[] | []>("areas");
  const { t } = useTranslation();
  const location = useLocation();
  const [isMenuOpen, setIsMenuOpen] = useState(false);
  const [isBuySimExpanded, setIsBuySimExpanded] = useState(false);
  const [isGuideExpanded, setIsGuideExpanded] = useState(false);
  const [isUserMenuOpen, setIsUserMenuOpen] = useState(false);
  const [isBuySimMegaVisible, setIsBuySimMegaVisible] = useState(false);
  const [isGuideMegaVisible, setIsGuideMegaVisible] = useState(false);
  const [isLangMenuOpen, setIsLangMenuOpen] = useState(false);
  const lang = localStorage.getItem("lang") || "en";

  const [selectedLang, setSelectedLang] = useState<"en" | "vi">(lang);
  const [activeDesktopTab, setActiveDesktopTab] = useState<
    "popular" | "region"
  >("popular");
  const [isScrolled, setIsScrolled] = useState(false);
  const [products, setProducts] = useState<Area[]>([]);
  const dispatch = useAppDispatch();
  const langMenuRef = useRef<HTMLDivElement>(null);
  const userMenuRef = useRef<HTMLDivElement>(null);
  const account = localStorage.getItem("accountInfo");

  const guideItems = [
    { label: t("whatEsim"), path: "/support" },
    { label: t("installationInstructions"), path: "/support" },
    { label: t("supportSupport"), path: "/support" },
    { label: t("orderSearch"), path: "/support" },
  ];
  const dropdownRef = useRef<HTMLDivElement>(null);
  const [areasList, setAreasList] = useState<Area[]>([]);
  const [searchQuery, setSearchQuery] = useState("");
  const [isSearchDropdownOpen, setIsSearchDropdownOpen] = useState(false);

  const languages = [
    { code: "en", label: "English", flag: "us" },
    { code: "vi", label: "Tiếng Việt", flag: "vn" },
  ];

  // load product by country/region or popularity
  const getProductMutation = useMutation({
    mutationFn: async () => {
      dispatch(startLoading({}));
      const res = await productApi.loadArea(
        activeDesktopTab === "popular"
          ? { isCountry: "-1", isPopular: "1" }
          : { isCountry: "0", isPopular: "-1" }
      );
      return res;
    },
    onSuccess: (data) => {
      dispatch(stopLoading());
      if (data && data.errorCode === "0") {
        setProducts(data.data);
      } else {
        console.error("Get area failed, no token received");
      }
    },
    onError: (error: any) => {
      dispatch(stopLoading());
      console.error("Get area error:", error.response.data);
    },
  });

  useEffect(() => {
    const handleScroll = () => {
      setIsScrolled(window.scrollY > 300);
    };
    window.addEventListener("scroll", handleScroll);
    return () => window.removeEventListener("scroll", handleScroll);
  }, []);

  const handleAreaClick = (c: { id: number }) => {
    navigate(`/product/${c.id}`, {
      state: {
        ...c,
      },
    });
    setIsBuySimMegaVisible(false);
    setIsMenuOpen(false);
  };

  useEffect(() => {
    const handleClickOutside = (event: MouseEvent) => {
      if (
        langMenuRef.current &&
        !langMenuRef.current.contains(event.target as Node)
      ) {
        setIsLangMenuOpen(false);
      }
    };
    document.addEventListener("mousedown", handleClickOutside);
    return () => document.removeEventListener("mousedown", handleClickOutside);
  }, []);

  useEffect(() => {
    const handleResize = () => {
      if (window.innerWidth >= 1024) setIsMenuOpen(false);
    };
    window.addEventListener("resize", handleResize);
    return () => window.removeEventListener("resize", handleResize);
  }, []);

  const currentLangObj =
    languages.find((l) => l.code === selectedLang) || languages[0];

  const isActive = (path: string) => location.pathname === path;

  useEffect(() => {
    getProductMutation.mutate();
  }, [activeDesktopTab]);

  useEffect(() => {
    if (!areas || areas.length === 0) getAreaMutation.mutate();
    else {
      setAreasList(areas);
      console.log("Areas loaded from store:", areas);
    }
  }, []);

  const getAreaMutation = useMutation({
    mutationFn: async () => {
      dispatch(startLoading({}));
      const res = await productApi.loadArea({
        isCountry: "-1",
        isPopular: "-1",
      });
      return res;
    },
    onSuccess: (data) => {
      dispatch(stopLoading());
      console.log("Get area response data:", data);
      if (data && data.errorCode === "0") {
        console.log("Get area successful");
        setWithExpiry("areas", JSON.stringify(data.data));
        setAreasList(data.data as Area[]);
      } else {
        console.error("Get area failed, no token received");
      }
    },
    onError: (error: any) => {
      dispatch(stopLoading());
      console.error("Get area error:", error.response.data);
    },
  });

  const handleSelect = (area: Area) => {
    console.log("Selected area:", area);
    setIsSearchDropdownOpen(false);
    navigate(`/product/${area.id}`, {
      state: {
        ...area,
      },
    });
  };

  const handleSearch = (query: string) => {
    setSearchQuery(query);
    if (query.trim() === "") {
      setAreasList(areas);
    } else {
      const filtered = areas.filter((area: Area) =>
        area.coverageArea.toLowerCase().includes(query.toLowerCase())
      );
      setAreasList(filtered);
    }
  };

  useEffect(() => {
    const handleClickOutside = (event: MouseEvent) => {
      if (
        dropdownRef.current &&
        !dropdownRef.current.contains(event.target as Node)
      ) {
        setIsSearchDropdownOpen(false);
      }
    };
    document.addEventListener("mousedown", handleClickOutside);
    return () => {
      document.removeEventListener("mousedown", handleClickOutside);
    };
  }, []);

  return (
    <>
      <header className="sticky top-0 z-[60] w-full bg-white border-b border-slate-100 shadow-sm transition-all duration-300">
        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
          <div className="flex justify-between items-center h-20">
            {/* Logo */}
            <Link to="/" className="flex-shrink-0 flex items-center">
              <div className="flex items-center space-x-1">
                {/* <svg className="w-8 h-8 text-[#EE0434]" viewBox="0 0 24 24" fill="currentColor">
                  <path d="M12 2L2 7l10 5 10-5-10-5zM2 17l10 5 10-5M2 12l10 5 10-5" />
                </svg> */}
                <img src={logo} alt="Getgo Logo" className="w-35" />
                {/* <span className="text-2xl font-bold tracking-tighter">
                  <span className="text-[#EE0434]">Infi</span>
                  <span className="text-[#333]">Gate</span>
                </span> */}
              </div>
            </Link>

            {/* Desktop Search on Scroll */}
            <div
              ref={dropdownRef}
              className={`hidden lg:flex items-center transition-all duration-500 ${
                isScrolled
                  ? "flex-1 max-w-md mx-8 opacity-100 overflow-visible"
                  : "max-w-0 opacity-0 pointer-events-none overflow-hidden"
              }`}
            >
              <div className="relative w-full">
                <input
                  type="text"
                  value={searchQuery}
                  onChange={(e) => {
                    handleSearch(e.target.value);
                  }}
                  onFocus={() => setIsSearchDropdownOpen(true)}
                  placeholder={t("searchCountry")}
                  className="w-full bg-slate-50 border border-slate-200 rounded-full py-2.5 px-6 pl-12 text-sm focus:outline-none focus:ring-2 focus:ring-red-100 focus:border-[#EE0434] transition-all"
                />
                <svg
                  className="absolute left-4 top-1/2 -translate-y-1/2 w-4 h-4 text-slate-400"
                  fill="none"
                  stroke="currentColor"
                  viewBox="0 0 24 24"
                >
                  <path
                    strokeLinecap="round"
                    strokeLinejoin="round"
                    strokeWidth={2.5}
                    d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"
                  />
                </svg>

                {/* Dropdown Menu */}
                {isSearchDropdownOpen && (
                  <div className="absolute top-full left-0 right-0 mt-2 bg-white rounded-2xl shadow-[0_10px_40px_-10px_rgba(0,0,0,0.1)] border border-slate-100 overflow-hidden animate-in fade-in zoom-in-95 duration-200">
                    <div className="max-h-[300px] overflow-y-auto custom-scrollbar p-2">
                      <h3 className="text-[10px] font-bold text-slate-400 uppercase tracking-widest mb-2 px-3 pt-2">
                        {t("mostPopular")}
                      </h3>
                      <div className="space-y-0.5">
                        {areasList.length > 0 ? (
                          areasList.map((p) => (
                            <button
                              key={p.id}
                              onClick={() => handleSelect(p)}
                              className="w-full flex items-center justify-between p-2 hover:bg-slate-50 rounded-xl transition-all group"
                            >
                              <div className="flex items-center space-x-3">
                                <div className="w-8 h-8 rounded-full border border-slate-100 overflow-hidden shadow-sm shrink-0">
                                  <img
                                    src={`${p.iconUrl}`}
                                    alt={p.areaName1}
                                    className="w-full h-full object-cover scale-150"
                                  />
                                </div>
                                <span className="font-bold text-slate-700 text-sm group-hover:text-[#EE0434] transition-colors">
                                  {p.areaName1}
                                </span>
                              </div>
                              <div className="text-right flex items-center space-x-1.5">
                                <span className="text-xs text-slate-400 font-medium">
                                  {t("from")}:
                                </span>
                                <span className="text-sm font-black text-[#EE0434]">
                                  {p.minSellPrice.toLocaleString()} {p.curency}
                                </span>
                              </div>
                            </button>
                          ))
                        ) : (
                          <div className="text-center py-4 text-slate-400 text-sm font-medium">
                            {t("noMatchesFound")}
                          </div>
                        )}
                      </div>
                    </div>
                  </div>
                )}
              </div>
            </div>
            {/* Desktop Nav */}
            <nav
              className={`hidden lg:flex items-center h-full transition-all duration-300 ${
                isScrolled ? "space-x-4" : "space-x-8"
              }`}
            >
              <Link
                to="/"
                className={`text-[17px] font-bold ${
                  isActive("/")
                    ? "text-[#EE0434]"
                    : "text-slate-700 hover:text-[#EE0434]"
                }`}
              >
                {t("home")}
              </Link>

              <div
                className="relative h-full flex items-center"
                onMouseEnter={() => setIsBuySimMegaVisible(true)}
                onMouseLeave={() => setIsBuySimMegaVisible(false)}
              >
                <Link
                  to="/buy-sim"
                  className={`flex items-center text-[17px] font-bold transition-colors ${
                    isActive("/buy-sim")
                      ? "text-[#EE0434]"
                      : "text-slate-700 hover:text-[#EE0434]"
                  }`}
                >
                  {t("buySim")}{" "}
                  <svg
                    className={`ml-1 w-4 h-4 transition-transform ${
                      isBuySimMegaVisible ? "rotate-180" : ""
                    }`}
                    fill="none"
                    stroke="currentColor"
                    viewBox="0 0 24 24"
                  >
                    <path
                      strokeLinecap="round"
                      strokeLinejoin="round"
                      strokeWidth={2}
                      d="M19 9l-7 7-7-7"
                    />
                  </svg>
                </Link>

                {isBuySimMegaVisible && (
                  <div className="absolute top-full left-1/2 -translate-x-1/2 w-[950px] bg-white rounded-[32px] shadow-[0_30px_60px_-15px_rgba(0,0,0,0.15)] border border-slate-100 mt-0 overflow-hidden flex animate-in fade-in slide-in-from-top-2 duration-300">
                    <div className="w-[280px] bg-red-50 p-10 flex flex-col">
                      <h3 className="text-4xl font-black text-slate-900 mb-4">
                        {t("buySim")}
                      </h3>
                      <button
                        onClick={() => {
                          navigate("/buy-sim");
                          setIsBuySimMegaVisible(false);
                        }}
                        className="text-[#EE0434] font-bold text-xl flex items-center group mb-8"
                      >
                        {t("viewAll")}{" "}
                        <svg
                          className="ml-2 w-5 h-5 transition-transform group-hover:translate-x-1"
                          fill="none"
                          stroke="currentColor"
                          viewBox="0 0 24 24"
                        >
                          <path
                            strokeLinecap="round"
                            strokeLinejoin="round"
                            strokeWidth={3}
                            d="M9 5l7 7-7 7"
                          />
                        </svg>
                      </button>
                    </div>
                    <div className="flex-1 p-10">
                      <div className="flex space-x-4 mb-10">
                        <button
                          onClick={() => setActiveDesktopTab("popular")}
                          className={`px-8 py-3 rounded-full text-base font-bold transition-all ${
                            activeDesktopTab === "popular"
                              ? "bg-[#EE0434] text-white shadow-lg shadow-red-100"
                              : "bg-slate-50 text-slate-900 hover:bg-slate-100"
                          }`}
                        >
                          {t("mostPopular")}
                        </button>
                        <button
                          onClick={() => setActiveDesktopTab("region")}
                          className={`px-8 py-3 rounded-full text-base font-bold transition-all ${
                            activeDesktopTab === "region"
                              ? "bg-[#EE0434] text-white shadow-lg shadow-red-100"
                              : "bg-slate-50 text-slate-900 hover:bg-slate-100"
                          }`}
                        >
                          {t("region")}
                        </button>
                      </div>
                      <div className="grid grid-cols-4 gap-y-8 gap-x-4">
                        {products.map((p) => (
                          <div
                            key={p.id}
                            onClick={() => handleAreaClick(p)}
                            className="flex items-center space-x-3 group cursor-pointer hover:bg-slate-50 p-2 rounded-xl transition-colors"
                          >
                            <div className="w-7 h-7 rounded-full overflow-hidden border border-slate-200 shadow-sm shrink-0">
                              <img
                                src={`${p.iconUrl}`}
                                alt={p.areaName1}
                                className="w-full h-full object-cover"
                              />
                            </div>
                            <span className="text-[16px] font-bold text-slate-700 group-hover:text-[#EE0434] transition-colors">
                              {p.areaName1}
                            </span>
                          </div>
                        ))}
                      </div>
                    </div>
                  </div>
                )}
              </div>

              <div
                className="relative h-full flex items-center"
                onMouseEnter={() => setIsGuideMegaVisible(true)}
                onMouseLeave={() => setIsGuideMegaVisible(false)}
              >
                <Link
                  to="/support"
                  className={`flex items-center text-[17px] font-bold transition-colors ${
                    isActive("/support")
                      ? "text-[#EE0434]"
                      : "text-slate-700 hover:text-[#EE0434]"
                  }`}
                >
                  {t("guide")}{" "}
                  <svg
                    className={`ml-1 w-4 h-4 transition-transform ${
                      isGuideMegaVisible ? "rotate-180" : ""
                    }`}
                    fill="none"
                    stroke="currentColor"
                    viewBox="0 0 24 24"
                  >
                    <path
                      strokeLinecap="round"
                      strokeLinejoin="round"
                      strokeWidth={2}
                      d="M19 9l-7 7-7-7"
                    />
                  </svg>
                </Link>

                {isGuideMegaVisible && (
                  <div className="absolute top-full left-0 w-[600px] bg-white rounded-[32px] shadow-2xl border border-slate-100 mt-0 overflow-hidden flex animate-in fade-in slide-in-from-top-2 duration-300">
                    <div className="flex-1 py-10 px-6 flex flex-col">
                      {guideItems.map((item, idx) => (
                        <button
                          key={item.label}
                          onClick={() => {
                            navigate(item.path);
                            setIsGuideMegaVisible(false);
                          }}
                          className={`w-full text-left px-6 py-4 rounded-2xl text-base font-medium transition-all text-slate-600 hover:bg-slate-50 hover:text-[#EE0434]`}
                        >
                          {item.label}
                        </button>
                      ))}
                    </div>
                  </div>
                )}
              </div>

              <Link
                to="/news"
                className={`text-[17px] font-bold transition-colors ${
                  isActive("/news")
                    ? "text-[#EE0434]"
                    : "text-slate-700 hover:text-[#EE0434]"
                }`}
              >
                {t("news")}
              </Link>

              <Link
                to="/contact"
                className={`text-[17px] font-bold transition-colors ${
                  isActive("/contact")
                    ? "text-[#EE0434]"
                    : "text-slate-700 hover:text-[#EE0434]"
                }`}
              >
                {t("contact")}
              </Link>
            </nav>

            {/* Icons */}
            <div className="flex items-center space-x-5">
              {/* Account Dropdown */}
              <div className="relative hidden lg:block" ref={userMenuRef}>
                <button
                  onClick={() => setIsUserMenuOpen(!isUserMenuOpen)}
                  className="p-2 text-slate-700 hover:text-[#EE0434] transition-colors rounded-full hover:bg-slate-50"
                  title="Account"
                >
                  <svg
                    className="w-6 h-6"
                    fill="none"
                    stroke="currentColor"
                    viewBox="0 0 24 24"
                  >
                    <path
                      strokeLinecap="round"
                      strokeLinejoin="round"
                      strokeWidth={2}
                      d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"
                    />
                  </svg>
                </button>

                {isUserMenuOpen && (
                  <div className="absolute top-full right-0 mt-3 w-56 bg-white rounded-[24px] shadow-[0_20px_40px_rgba(0,0,0,0.1)] border border-slate-50 overflow-hidden animate-in fade-in slide-in-from-top-2 duration-200 z-50">
                    {account !== null && (
                      <div className="flex flex-col py-2">
                        <button
                          onClick={() => {
                            navigate("/order-history");
                            setIsUserMenuOpen(false);
                          }}
                          className="flex items-center space-x-3 px-6 py-3.5 w-full text-left hover:bg-slate-50 text-slate-700 hover:text-[#EE0434] transition-colors"
                        >
                          <svg
                            className="w-5 h-5 text-slate-400"
                            fill="none"
                            stroke="currentColor"
                            viewBox="0 0 24 24"
                          >
                            <path
                              strokeLinecap="round"
                              strokeLinejoin="round"
                              strokeWidth={2}
                              d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"
                            />
                          </svg>
                          <span className="font-bold text-sm">
                            {t("orders")}
                          </span>
                        </button>
                        <div className="h-px bg-slate-50 mx-4 my-1"></div>

                        <button
                          onClick={() => {
                            setIsUserMenuOpen(false);
                            dispatch(accountLogout());
                            navigate("/login");
                          }}
                          className="flex items-center space-x-3 px-6 py-3.5 w-full text-left hover:bg-slate-50 text-slate-700 hover:text-[#EE0434] transition-colors"
                        >
                          <svg
                            className="w-5 h-5 text-slate-400"
                            fill="none"
                            stroke="currentColor"
                            viewBox="0 0 24 24"
                          >
                            <path
                              strokeLinecap="round"
                              strokeLinejoin="round"
                              strokeWidth={2}
                              d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1"
                            />
                          </svg>
                          <span className="font-bold text-sm">
                            {t("logout")}
                          </span>
                        </button>
                      </div>
                    )}
                    {account === null && (
                      <div className="flex flex-col py-2">
                        <button
                          onClick={() => {
                            setIsUserMenuOpen(false);
                            dispatch(accountLogout());
                            navigate("/login");
                          }}
                          className="flex items-center space-x-3 px-6 py-3.5 w-full text-left hover:bg-slate-50 text-slate-700 hover:text-[#EE0434] transition-colors"
                        >
                          <svg
                            className="w-5 h-5 text-slate-400"
                            fill="none"
                            stroke="currentColor"
                            viewBox="0 0 24 24"
                          >
                            <path
                              strokeLinecap="round"
                              strokeLinejoin="round"
                              strokeWidth={2}
                              d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1"
                            />
                          </svg>
                          <span className="font-bold text-sm">
                            {t("login")}
                          </span>
                        </button>
                      </div>
                    )}
                  </div>
                )}
              </div>
              {/* <button className="hidden sm:flex p-2 text-slate-700 hover:text-[#EE0434] relative">
                <svg
                  className="w-6 h-6"
                  fill="none"
                  stroke="currentColor"
                  viewBox="0 0 24 24"
                >
                  <path
                    strokeLinecap="round"
                    strokeLinejoin="round"
                    strokeWidth={2}
                    d="M3 3h2l.4 2M7 13h10l4-8H5.4M7 13L5.4 5M7 13l-2.293 2.293c-.63.63-.184 1.707.707 1.707H17m0 0a2 2 0 100 4 2 2 0 000-4zm-8 2a2 2 0 11-4 0 2 2 0 014 0z"
                  />
                </svg>
                <span className="absolute top-1 right-1 w-4 h-4 bg-[#EE0434] text-white text-[10px] flex items-center justify-center rounded-full font-black">
                  0
                </span>
              </button> */}

              <div className="relative" ref={langMenuRef}>
                <button
                  onClick={() => setIsLangMenuOpen(!isLangMenuOpen)}
                  className="bg-white p-1 rounded-2xl border border-slate-100 shadow-sm hover:shadow-md transition-all flex items-center justify-center"
                >
                  <div className="w-8 h-8 rounded-full overflow-hidden border border-slate-50">
                    <img
                      src={`https://flagcdn.com/w80/${currentLangObj.flag}.png`}
                      alt={currentLangObj.label}
                      className="w-full h-full object-cover"
                    />
                  </div>
                </button>

                {isLangMenuOpen && (
                  <div className="absolute top-full right-0 mt-3 w-48 bg-white rounded-[24px] shadow-[0_20px_40px_rgba(0,0,0,0.1)] border border-slate-50 overflow-hidden animate-in fade-in slide-in-from-top-2 duration-200">
                    <div className="flex flex-col">
                      {languages.map((lang) => (
                        <button
                          key={lang.code}
                          onClick={() => {
                            setSelectedLang(lang.code as "en" | "vi");
                            setIsLangMenuOpen(false);
                            i18n.changeLanguage(lang.code);
                            localStorage.setItem("lang", lang.code);
                          }}
                          className={`flex items-center space-x-3 px-5 py-4 w-full text-left transition-colors ${
                            selectedLang === lang.code
                              ? "bg-slate-50"
                              : "hover:bg-slate-50/50"
                          }`}
                        >
                          <div className="w-7 h-7 rounded-full overflow-hidden border border-slate-100 shadow-sm">
                            <img
                              src={`https://flagcdn.com/w80/${lang.flag}.png`}
                              alt={lang.label}
                              className="w-full h-full object-cover"
                            />
                          </div>
                          <span
                            className={`text-[15px] font-bold ${
                              selectedLang === lang.code
                                ? "text-slate-900"
                                : "text-slate-500"
                            }`}
                          >
                            {lang.label}
                          </span>
                        </button>
                      ))}
                    </div>
                  </div>
                )}
              </div>

              <button
                onClick={() => setIsMenuOpen(true)}
                className="lg:hidden p-2 text-slate-900"
              >
                <svg
                  className="w-6 h-6"
                  fill="none"
                  stroke="currentColor"
                  viewBox="0 0 24 24"
                >
                  <path
                    strokeLinecap="round"
                    strokeLinejoin="round"
                    strokeWidth={2.5}
                    d="M4 6h16M4 12h16m-7 6h7"
                  />
                </svg>
              </button>
            </div>
          </div>
        </div>
      </header>

      {/* Full-Screen Mobile Menu with Slide-Right Transition */}
      <div
        className={`fixed inset-0 z-[100] lg:hidden transition-all duration-500 ease-in-out ${
          isMenuOpen
            ? "opacity-100 pointer-events-auto"
            : "opacity-0 pointer-events-none"
        }`}
      >
        <div
          className={`absolute inset-0 bg-white flex flex-col transform transition-transform duration-500 ease-out ${
            isMenuOpen ? "translate-x-0" : "-translate-x-full"
          }`}
        >
          {/* Mobile Menu Header */}
          <div className="flex justify-between items-center p-6 border-b border-slate-50">
            <Link
              to="/"
              onClick={() => setIsMenuOpen(false)}
              className="flex items-center space-x-1"
            >
              <svg
                className="w-7 h-7 text-[#EE0434]"
                viewBox="0 0 24 24"
                fill="currentColor"
              >
                <path d="M12 2L2 7l10 5 10-5-10-5zM2 17l10 5 10-5M2 12l10 5 10-5" />
              </svg>
              <span className="text-xl font-black tracking-tighter">
                <span className="text-[#EE0434]">Get</span>
                <span className="text-[#333]">Go</span>
              </span>
            </Link>
            <button
              onClick={() => setIsMenuOpen(false)}
              className="p-2 text-slate-400 hover:text-[#EE0434] transition-colors rounded-full hover:bg-slate-100"
            >
              <svg
                className="w-8 h-8"
                fill="none"
                stroke="currentColor"
                viewBox="0 0 24 24"
              >
                <path
                  strokeLinecap="round"
                  strokeLinejoin="round"
                  strokeWidth={2}
                  d="M6 18L18 6M6 6l12 12"
                />
              </svg>
            </button>
          </div>

          <div className="flex-1 overflow-y-auto px-6 py-8 space-y-6">
            <div className="flex flex-col items-center space-y-4">
              <Link
                to="/"
                onClick={() => setIsMenuOpen(false)}
                className={`w-full text-center py-5 px-6 rounded-3xl text-2xl font-black transition-all ${
                  isActive("/")
                    ? "bg-red-50 text-[#EE0434]"
                    : "text-slate-800 hover:bg-slate-50"
                }`}
              >
                {t("home")}
              </Link>

              <div className="w-full">
                <button
                  onClick={() => setIsBuySimExpanded(!isBuySimExpanded)}
                  className={`w-full flex items-center justify-center space-x-3 py-5 px-6 rounded-3xl text-2xl font-black transition-all ${
                    isActive("/buy-sim")
                      ? "bg-red-50 text-[#EE0434]"
                      : "text-slate-800 hover:bg-slate-50"
                  }`}
                >
                  <span>{t("buySim")}</span>
                  <svg
                    className={`w-6 h-6 transition-transform duration-300 ${
                      isBuySimExpanded ? "rotate-180" : ""
                    }`}
                    fill="none"
                    stroke="currentColor"
                    viewBox="0 0 24 24"
                  >
                    <path
                      strokeLinecap="round"
                      strokeLinejoin="round"
                      strokeWidth={2.5}
                      d="M19 9l-7 7-7-7"
                    />
                  </svg>
                </button>
                <div
                  className={`overflow-hidden transition-all duration-300 ease-in-out ${
                    isBuySimExpanded
                      ? "max-h-[1000px] opacity-100 mt-4"
                      : "max-h-0 opacity-0"
                  }`}
                >
                  <div className="grid grid-cols-2 gap-3 px-2">
                    <button
                      onClick={() => {
                        navigate("/buy-sim");
                        setIsMenuOpen(false);
                      }}
                      className="col-span-2 text-center py-4 bg-slate-50 rounded-2xl text-[#EE0434] font-black text-sm uppercase tracking-wider shadow-sm"
                    >
                      {t("viewAllDestinations")} →
                    </button>
                    {products.map((c) => (
                      <button
                        key={c.areaName1}
                        onClick={() => handleAreaClick(c)}
                        className="flex flex-col items-center justify-center space-y-2 py-5 rounded-2xl bg-white border border-slate-100 shadow-sm active:bg-slate-50"
                      >
                        <img
                          src={`${c.iconUrl}`}
                          alt={c.areaName1}
                          className="w-10 h-10 rounded-full object-cover border-2 border-slate-50"
                        />
                        <span className="text-sm font-bold text-slate-700">
                          {c.areaName1}
                        </span>
                      </button>
                    ))}
                  </div>
                </div>
              </div>

              <div className="w-full">
                <button
                  onClick={() => setIsGuideExpanded(!isGuideExpanded)}
                  className={`w-full flex items-center justify-center space-x-3 py-5 px-6 rounded-3xl text-2xl font-black transition-all ${
                    isActive("/support")
                      ? "bg-red-50 text-[#EE0434]"
                      : "text-slate-800 hover:bg-slate-50"
                  }`}
                >
                  <span>{t("guide")}</span>
                  <svg
                    className={`w-6 h-6 transition-transform duration-300 ${
                      isGuideExpanded ? "rotate-180" : ""
                    }`}
                    fill="none"
                    stroke="currentColor"
                    viewBox="0 0 24 24"
                  >
                    <path
                      strokeLinecap="round"
                      strokeLinejoin="round"
                      strokeWidth={2.5}
                      d="M19 9l-7 7-7-7"
                    />
                  </svg>
                </button>
                <div
                  className={`overflow-hidden transition-all duration-300 ease-in-out ${
                    isGuideExpanded
                      ? "max-h-[400px] opacity-100 mt-4"
                      : "max-h-0 opacity-0"
                  }`}
                >
                  <div className="flex flex-col space-y-2 px-2">
                    {guideItems.map((item) => (
                      <button
                        key={item.label}
                        onClick={() => {
                          navigate(item.path);
                          setIsMenuOpen(false);
                        }}
                        className="w-full text-center py-4 rounded-2xl bg-slate-50 text-slate-600 font-bold hover:text-[#EE0434] active:bg-red-50"
                      >
                        {item.label}
                      </button>
                    ))}
                  </div>
                </div>
              </div>

              <Link
                to="/news"
                onClick={() => setIsMenuOpen(false)}
                className={`w-full text-center py-5 px-6 rounded-3xl text-2xl font-black transition-all ${
                  isActive("/news")
                    ? "bg-red-50 text-[#EE0434]"
                    : "text-slate-800 hover:bg-slate-50"
                }`}
              >
                {t("news")}
              </Link>

              <Link
                to="/contact"
                onClick={() => setIsMenuOpen(false)}
                className={`w-full text-center py-5 px-6 rounded-3xl text-2xl font-black transition-all ${
                  isActive("/contact")
                    ? "bg-red-50 text-[#EE0434]"
                    : "text-slate-800 hover:bg-slate-50"
                }`}
              >
                {t("contact")}
              </Link>

              {account !== null && (
                <button
                  onClick={() => {
                    navigate("/order-history");
                    setIsMenuOpen(false);
                  }}
                  className={`w-full text-center py-5 px-6 rounded-3xl text-2xl font-black transition-all ${
                    isActive("/order-history")
                      ? "bg-red-50 text-[#EE0434]"
                      : "text-slate-800 hover:bg-slate-50"
                  }`}
                >
                  {t("transactionHistory")}
                </button>
              )}

              <div className="w-full pt-4">
                <p className="text-center text-slate-400 font-bold text-xs uppercase tracking-widest mb-4">
                  {t("selectLanguage")}
                </p>
                <div className="flex justify-center space-x-4">
                  {languages.map((lang) => (
                    <button
                      key={lang.code}
                      onClick={() => {
                        setSelectedLang(lang.code as "en" | "vi");
                        setIsLangMenuOpen(false);
                        i18n.changeLanguage(lang.code);
                        localStorage.setItem("lang", lang.code);
                      }}
                      className={`flex items-center space-x-2 px-4 py-2 rounded-2xl transition-all border ${
                        selectedLang === lang.code
                          ? "bg-red-50 border-[#EE0434] text-[#EE0434]"
                          : "bg-white border-slate-100 text-slate-500"
                      }`}
                    >
                      <img
                        src={`https://flagcdn.com/w40/${lang.flag}.png`}
                        alt={lang.label}
                        className="w-6 h-6 rounded-full object-cover border border-slate-100"
                      />
                      <span className="font-bold">{lang.label}</span>
                    </button>
                  ))}
                </div>
              </div>
            </div>
          </div>

          <div className="p-8 border-t border-slate-50 bg-slate-50/50">
            {account === null && (
              <Link
                to="/login"
                onClick={() => {
                  setIsMenuOpen(false);
                  dispatch(accountLogout());
                }}
                className="w-full bg-gradient-to-r from-[#E21c34] to-[#500B28] text-white py-5 rounded-[40px] font-black text-2xl shadow-xl active:scale-[0.98] transition-all flex justify-center"
              >
                {t("login")} / {t("register")}
              </Link>
            )}
            {account !== null && (
              <Link
                to="/login"
                onClick={() => {
                  setIsMenuOpen(false);
                  dispatch(accountLogout());
                }}
                className="w-full bg-gradient-to-r from-[#E21c34] to-[#500B28] text-white py-5 rounded-[40px] font-black text-2xl shadow-xl active:scale-[0.98] transition-all flex justify-center"
              >
                {t("logout")}
              </Link>
            )}
          </div>
        </div>
      </div>
    </>
  );
};

export default Header;