"use client";
import React, { useState, useEffect, useRef, useCallback } from "react";
import Link from "next/link";
import AppImage from "@/components/ui/AppImage";
import Header from "@/components/Header";
import Footer from "@/components/Footer";
import AdSlot from "@/components/AdSlot";
import SidebarAdStack from "@/components/SidebarAdStack";
import ArticleBody from "@/components/ArticleBody";
import { createClient } from "@/lib/supabase/client";
import type { Article } from "@/lib/articles/types";

interface NewsArticleDetailClientProps {
  article: Article;
  relatedArticles: Article[];
}

function getSessionId(): string {
  if (typeof window === "undefined") return "";
  let sid = sessionStorage.getItem("bb_session_id");
  if (!sid) {
    sid = `sess_${Date.now()}_${Math.random().toString(36).slice(2, 9)}`;
    sessionStorage.setItem("bb_session_id", sid);
  }
  return sid;
}

export default function NewsArticleDetailClient({
  article,
  relatedArticles,
}: NewsArticleDetailClientProps) {
  const [isSaved, setIsSaved] = useState(false);
  const [savingState, setSavingState] = useState<"idle" | "saving" | "removing">("idle");
  const [saveToast, setSaveToast] = useState<string | null>(null);
  const [currentUser, setCurrentUser] = useState<{ id: string } | null>(null);
  const [emailShareOpen, setEmailShareOpen] = useState(false);
  const [emailTo, setEmailTo] = useState("");
  const [emailNote, setEmailNote] = useState("");
  const [emailSending, setEmailSending] = useState(false);
  const [emailStatus, setEmailStatus] = useState<"idle" | "success" | "error">("idle");
  const [carouselIndex, setCarouselIndex] = useState(0);
  const articleStartTime = useRef<number>(Date.now());
  const hasTrackedView = useRef(false);
  const supabase = createClient();

  const CARDS_VISIBLE = 3;
  const maxIndex = Math.max(0, relatedArticles.length - CARDS_VISIBLE);

  // Get current user
  useEffect(() => {
    supabase?.auth?.getUser().then(({ data }) => {
      setCurrentUser(data?.user ?? null);
    });
  }, []);

  // Track article view
  useEffect(() => {
    if (hasTrackedView.current || !article?.slug) return;
    hasTrackedView.current = true;
    articleStartTime.current = Date.now();
    const trackView = async () => {
      try {
        const { data: userData } = await supabase?.auth?.getUser();
        await supabase?.from("article_analytics")?.insert({
          article_slug: article.slug,
          article_title: article.title,
          user_id: userData?.user?.id ?? null,
          session_id: getSessionId(),
          event_type: "view",
          read_time_seconds: 0,
          scroll_depth: 0,
          referrer: typeof document !== "undefined" ? document.referrer : "",
        });

        // Track reading history and topic preferences for authenticated users
        if (userData?.user?.id) {
          // Upsert reading history
          await supabase?.from("reading_history")?.upsert(
            {
              user_id: userData.user.id,
              article_slug: article.slug,
              article_title: article.title,
              article_excerpt: article.excerpt ?? null,
              article_image: article.image ?? null,
              article_image_alt: article.alt ?? null,
              article_category: article.category ?? null,
              article_author: article.author ?? null,
              article_read_time: article.readTime ?? null,
              article_date: article.date ?? null,
              viewed_at: new Date().toISOString(),
            },
            { onConflict: "user_id,article_slug" }
          );

          // Upsert topic preference
          if (article.category) {
            const topic = article.category.toLowerCase().trim();
            const { data: existing } = await supabase
              ?.from("user_topic_preferences")
              ?.select("id, view_count")
              ?.eq("user_id", userData.user.id)
              ?.eq("topic", topic)
              ?.maybeSingle();

            if (existing) {
              await supabase
                ?.from("user_topic_preferences")
                ?.update({
                  view_count: (existing.view_count || 0) + 1,
                  last_viewed_at: new Date().toISOString(),
                })
                ?.eq("id", existing.id);
            } else {
              await supabase?.from("user_topic_preferences")?.insert({
                user_id: userData.user.id,
                topic,
                view_count: 1,
                last_viewed_at: new Date().toISOString(),
              });
            }
          }
        }
      } catch {
        // Silent fail
      }
    };
    trackView();
  }, [article?.slug]);

  // Track read completion on unmount
  useEffect(() => {
    return () => {
      if (!article?.slug) return;
      const readSeconds = Math.round((Date.now() - articleStartTime.current) / 1000);
      if (readSeconds < 5) return;
      const trackRead = async () => {
        try {
          const { data: userData } = await supabase?.auth?.getUser();
          await supabase?.from("article_analytics")?.insert({
            article_slug: article.slug,
            article_title: article.title,
            user_id: userData?.user?.id ?? null,
            session_id: getSessionId(),
            event_type: "read",
            read_time_seconds: readSeconds,
            scroll_depth: 0,
            referrer: typeof document !== "undefined" ? document.referrer : "",
          });
        } catch {
          // Silent fail
        }
      };
      trackRead();
    };
  }, [article?.slug]);

  // Check if article is saved
  useEffect(() => {
    if (!currentUser || !article?.slug) return;
    const checkSaved = async () => {
      try {
        const { data } = await supabase
          ?.from("reading_list")
          ?.select("id")
          ?.eq("user_id", currentUser.id)
          ?.eq("article_slug", article.slug)
          ?.maybeSingle();
        setIsSaved(!!data);
      } catch {
        // Silent fail
      }
    };
    checkSaved();
  }, [currentUser, article?.slug]);

  const handleSaveToReadingList = useCallback(async () => {
    if (!currentUser) {
      setSaveToast("Sign in to save articles to your reading list");
      setTimeout(() => setSaveToast(null), 3000);
      return;
    }
    if (isSaved) {
      setSavingState("removing");
      try {
        await supabase
          ?.from("reading_list")
          ?.delete()
          ?.eq("user_id", currentUser.id)
          ?.eq("article_slug", article.slug);
        setIsSaved(false);
        setSaveToast("Removed from reading list");
      } catch {
        setSaveToast("Failed to remove article");
      } finally {
        setSavingState("idle");
        setTimeout(() => setSaveToast(null), 2500);
      }
    } else {
      setSavingState("saving");
      try {
        await supabase?.from("reading_list")?.insert({
          user_id: currentUser.id,
          article_slug: article.slug,
          article_title: article.title,
          article_excerpt: article.excerpt,
          article_image: article.image,
          article_image_alt: article.alt,
          article_category: article.category,
          article_author: article.author,
          article_read_time: article.readTime,
          article_date: article.date,
        });
        setIsSaved(true);
        setSaveToast("Saved to reading list");
      } catch {
        setSaveToast("Failed to save article");
      } finally {
        setSavingState("idle");
        setTimeout(() => setSaveToast(null), 2500);
      }
    }
  }, [currentUser, isSaved, article]);

  const handleEmailShare = useCallback(async () => {
    if (!emailTo.trim()) return;
    setEmailSending(true);
    setEmailStatus("idle");
    try {
      const articleUrl = `${process.env.NEXT_PUBLIC_SITE_URL || "https://broadcastb5322.builtwithrocket.new"}/news/${article.slug}`;
      const res = await fetch("/api/news/share-email", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({
          to: emailTo.trim(),
          articleTitle: article.title,
          articleUrl,
          articleExcerpt: article.excerpt,
          note: emailNote.trim(),
        }),
      });
      if (res.ok) {
        setEmailStatus("success");
        setEmailTo("");
        setEmailNote("");
        setTimeout(() => {
          setEmailShareOpen(false);
          setEmailStatus("idle");
        }, 2500);
      } else {
        setEmailStatus("error");
      }
    } catch {
      setEmailStatus("error");
    } finally {
      setEmailSending(false);
    }
  }, [emailTo, emailNote, article]);

  const prevCarousel = () => setCarouselIndex((i) => Math.max(0, i - 1));
  const nextCarousel = () => setCarouselIndex((i) => Math.min(maxIndex, i + 1));

  const articleUrl =
    typeof window !== "undefined"
      ? window.location.href
      : `https://broadcastb5322.builtwithrocket.new/news/${article.slug}`;

  return (
    <div className="min-h-screen bg-background">
      <Header />

      {/* Breadcrumb */}
      <div className="bg-[#0d0d0d] border-b border-[#1a1a1a]">
        <div className="max-w-container mx-auto px-4 py-2.5 flex items-center gap-2 text-xs font-body text-[#555]">
          <Link href="/home-page" className="hover:text-[#3b82f6] transition-colors">
            Home
          </Link>
          <span>/</span>
          <Link href="/news" className="hover:text-[#3b82f6] transition-colors">
            News
          </Link>
          <span>/</span>
          <span className="text-[#888] truncate max-w-[300px]">{article.title}</span>
        </div>
      </div>

      {/* Top leaderboard */}
      <div className="max-w-container mx-auto px-4 pt-6">
        <AdSlot zone="article-top" size="728x90" />
      </div>

      {/* Article */}
      <article className="max-w-container mx-auto px-4 py-8 md:py-12">
        <div className="grid grid-cols-1 lg:grid-cols-12 gap-8">
          {/* Main Content */}
          <div className="lg:col-span-8">
            {/* Article Header */}
            <div className="mb-8">
              <div className="flex items-center gap-3 mb-4">
                <Link
                  href="/news"
                  className="text-xs font-bold uppercase tracking-widest text-[#3b82f6] hover:underline">
                  {article.category}
                </Link>
                <span className="text-xs text-[#777]">{article.readTime}</span>
              </div>

              <h1 className="font-heading text-3xl md:text-4xl font-bold mb-4 leading-tight text-[#f0f0f0]">
                {article.title}
              </h1>
              <p className="font-body text-lg text-[#999] mb-6 leading-relaxed">
                {article.excerpt}
              </p>

              {/* Article Meta */}
              <div className="flex items-center justify-between py-4 border-t border-b border-[#222]">
                <div className="flex items-center gap-3">
                  <AppImage
                    src={article.authorAvatar}
                    alt={`${article.author} — ${article.authorTitle}`}
                    width={40}
                    height={40}
                    className="w-10 h-10 rounded-full object-cover"
                  />
                  <div>
                    <Link
                      href={`/authors/${article.authorSlug}`}
                      className="font-heading font-bold text-sm hover:text-[#3b82f6] transition-colors text-[#e0e0e0]">
                      {article.author}
                    </Link>
                    <p className="font-body text-xs text-[#777]">{article.authorTitle}</p>
                  </div>
                </div>

                {/* Action buttons */}
                <div className="flex items-center gap-3">
                  {/* Email Share Button */}
                  <button
                    onClick={() => setEmailShareOpen(true)}
                    aria-label="Share via email"
                    className="flex items-center gap-1.5 text-xs font-bold uppercase tracking-widest text-[#888] hover:text-[#3b82f6] transition-colors focus:outline-none focus-visible:ring-1 focus-visible:ring-[#3b82f6]">
                    <svg
                      width="14"
                      height="14"
                      viewBox="0 0 24 24"
                      fill="none"
                      stroke="currentColor"
                      strokeWidth="2"
                      aria-hidden="true">
                      <rect x="2" y="4" width="20" height="16" rx="2" />
                      <path d="m22 7-8.97 5.7a1.94 1.94 0 0 1-2.06 0L2 7" />
                    </svg>
                    Share
                  </button>

                  {/* Save Button */}
                  <button
                    onClick={handleSaveToReadingList}
                    disabled={savingState !== "idle"}
                    aria-label={isSaved ? "Remove from reading list" : "Save to reading list"}
                    className="text-xs font-bold uppercase tracking-widest text-[#3b82f6] hover:text-blue-300 disabled:opacity-50 transition-colors focus:outline-none focus-visible:ring-1 focus-visible:ring-[#3b82f6]">
                    {savingState === "saving" ?"Saving..."
                      : savingState === "removing" ?"Removing..."
                      : isSaved
                      ? "✓ Saved" :"Save"}
                  </button>
                </div>
              </div>
            </div>

            {/* Featured Image */}
            <div className="mb-8 overflow-hidden rounded-sm">
              <AppImage
                src={article.image}
                alt={article.alt}
                width={800}
                height={450}
                className="w-full h-auto object-cover"
                priority
              />
            </div>

            {/* Article Body — paragraphs interleaved with rotating 300×250 ads every 4 paragraphs */}
            <ArticleBody
              html={article.content}
              everyN={4}
              className="prose prose-invert max-w-none mb-8 font-body text-[#aaa] leading-relaxed
                [&_h2]:font-heading [&_h2]:text-[#e0e0e0] [&_h2]:text-xl [&_h2]:font-bold [&_h2]:mt-8 [&_h2]:mb-4 [&_h2]:border-b [&_h2]:border-[#222] [&_h2]:pb-2
                [&_p]:mb-4 [&_p]:leading-relaxed
                [&_ul]:mb-4 [&_ul]:pl-5 [&_ul]:space-y-2
                [&_li]:text-[#aaa]
                [&_strong]:text-[#e0e0e0] [&_strong]:font-bold
                [&_a]:text-[#3b82f6] [&_a]:hover:underline"
            />

            {/* Tags */}
            {article.tags && article.tags.length > 0 && (
              <div className="py-6 border-t border-[#222]">
                <p className="font-body text-xs text-[#555] uppercase tracking-wider mb-3">Tags</p>
                <div className="flex flex-wrap gap-2">
                  {article.tags.map((tag) => (
                    <span
                      key={tag}
                      className="px-3 py-1 text-xs font-body bg-[#1a1a1a] border border-[#2a2a2a] text-[#888] hover:border-[#3b82f6] hover:text-[#3b82f6] transition-colors rounded-sm cursor-default">
                      {tag}
                    </span>
                  ))}
                </div>
              </div>
            )}

            {/* Email Share inline CTA */}
            <div className="py-6 border-t border-[#222]">
              <div className="flex items-center justify-between">
                <p className="font-body text-sm text-[#777]">Found this article useful?</p>
                <button
                  onClick={() => setEmailShareOpen(true)}
                  className="flex items-center gap-2 px-4 py-2 bg-[#1a1a1a] border border-[#2a2a2a] hover:border-[#3b82f6] text-[#888] hover:text-[#3b82f6] text-xs font-bold uppercase tracking-widest transition-colors rounded-sm focus:outline-none focus-visible:ring-1 focus-visible:ring-[#3b82f6]">
                  <svg
                    width="13"
                    height="13"
                    viewBox="0 0 24 24"
                    fill="none"
                    stroke="currentColor"
                    strokeWidth="2"
                    aria-hidden="true">
                    <rect x="2" y="4" width="20" height="16" rx="2" />
                    <path d="m22 7-8.97 5.7a1.94 1.94 0 0 1-2.06 0L2 7" />
                  </svg>
                  Share via Email
                </button>
              </div>
            </div>

            {/* Back navigation */}
            <div className="pt-6 border-t border-[#222]">
              <Link
                href="/news"
                className="inline-flex items-center gap-2 text-[#3b82f6] font-body text-sm hover:underline focus:outline-none focus-visible:ring-1 focus-visible:ring-[#3b82f6]">
                <svg
                  width="14"
                  height="14"
                  viewBox="0 0 24 24"
                  fill="none"
                  stroke="currentColor"
                  strokeWidth="2"
                  aria-hidden="true">
                  <polyline points="15 18 9 12 15 6" />
                </svg>
                Back to News
              </Link>
            </div>
          </div>

          {/* Sidebar */}
          <aside className="lg:col-span-4 space-y-6">
            {/* Blackmagic 300x600 fixed at top + rotating 300x250 banners */}
            <SidebarAdStack count={4} />

            {/* Related Articles Sidebar */}
            <div className="bg-[#111] border border-[#222] p-5">
              <h3 className="font-body font-bold text-xs text-[#3b82f6] uppercase tracking-widest mb-4 pb-2 border-b border-[#222]">
                Related Articles
              </h3>
              <div className="space-y-4">
                {relatedArticles.slice(0, 3).map((related) => (
                  <Link
                    key={related.slug}
                    href={`/news/${related.slug}`}
                    className="flex gap-3 group">
                    <div className="flex-shrink-0 w-[80px] h-[55px] relative overflow-hidden rounded-sm">
                      <AppImage
                        src={related.image}
                        alt={related.alt}
                        fill
                        className="object-cover group-hover:scale-105 transition-transform duration-300"
                        sizes="80px"
                      />
                    </div>
                    <div className="flex-1 min-w-0">
                      <p className="text-[#3b82f6] font-body text-[9px] font-bold uppercase tracking-wider mb-0.5">
                        {related.category}
                      </p>
                      <p className="font-heading text-[#e0e0e0] text-xs font-bold group-hover:text-[#3b82f6] transition-colors line-clamp-2 leading-snug">
                        {related.title}
                      </p>
                    </div>
                  </Link>
                ))}
              </div>
            </div>

            {/* Newsletter Signup */}
            <div className="bg-[#0d1520] border border-[#1e3a5f] p-5">
              <h3 className="font-heading text-[#e0e0e0] font-bold mb-2">Stay Updated</h3>
              <p className="font-body text-[#777] text-xs mb-4">
                Get the latest broadcast engineering news delivered to your inbox.
              </p>
              <Link
                href="/home-page#newsletter"
                className="btn-subscribe text-xs py-2 px-4 inline-block w-full text-center">
                Subscribe Free
              </Link>
            </div>

            {/* Ad placeholder */}
          </aside>
        </div>
      </article>

      {/* Bottom leaderboard */}
      <div className="max-w-container mx-auto px-4 pb-8">
        <AdSlot zone="article-bottom" size="728x90" />
      </div>

      {/* Related Articles Carousel */}
      {relatedArticles.length > 0 && (
        <section className="border-t border-[#1a1a1a] bg-[#0d0d0d] py-10">
          <div className="max-w-container mx-auto px-4">
            <div className="flex items-center justify-between mb-6">
              <div className="flex items-center gap-3">
                <span className="section-label">More News</span>
                <div className="h-px w-16 bg-[#2a2a2a]" />
              </div>
              {relatedArticles.length > CARDS_VISIBLE && (
                <div className="flex items-center gap-2">
                  <button
                    onClick={prevCarousel}
                    disabled={carouselIndex === 0}
                    aria-label="Previous articles"
                    className="w-8 h-8 flex items-center justify-center border border-[#2a2a2a] text-[#666] hover:border-[#3b82f6] hover:text-[#3b82f6] disabled:opacity-30 disabled:cursor-not-allowed transition-colors rounded-sm focus:outline-none focus-visible:ring-1 focus-visible:ring-[#3b82f6]">
                    <svg
                      width="14"
                      height="14"
                      viewBox="0 0 24 24"
                      fill="none"
                      stroke="currentColor"
                      strokeWidth="2"
                      aria-hidden="true">
                      <polyline points="15 18 9 12 15 6" />
                    </svg>
                  </button>
                  <button
                    onClick={nextCarousel}
                    disabled={carouselIndex >= maxIndex}
                    aria-label="Next articles"
                    className="w-8 h-8 flex items-center justify-center border border-[#2a2a2a] text-[#666] hover:border-[#3b82f6] hover:text-[#3b82f6] disabled:opacity-30 disabled:cursor-not-allowed transition-colors rounded-sm focus:outline-none focus-visible:ring-1 focus-visible:ring-[#3b82f6]">
                    <svg
                      width="14"
                      height="14"
                      viewBox="0 0 24 24"
                      fill="none"
                      stroke="currentColor"
                      strokeWidth="2"
                      aria-hidden="true">
                      <polyline points="9 18 15 12 9 6" />
                    </svg>
                  </button>
                </div>
              )}
            </div>

            {/* Carousel track */}
            <div className="overflow-hidden">
              <div
                className="flex gap-5 transition-transform duration-300 ease-in-out"
                style={{
                  transform: `translateX(calc(-${carouselIndex} * (100% / ${CARDS_VISIBLE} + 20px / ${CARDS_VISIBLE})))`,
                }}>
                {relatedArticles.map((related) => (
                  <Link
                    key={related.slug}
                    href={`/news/${related.slug}`}
                    className="group flex-shrink-0 w-[calc(33.333%-14px)]"
                    style={{ minWidth: "calc(33.333% - 14px)" }}>
                    <div className="relative overflow-hidden rounded-sm mb-3 aspect-[16/9]">
                      <AppImage
                        src={related.image}
                        alt={related.alt}
                        fill
                        className="object-cover group-hover:scale-105 transition-transform duration-300"
                        sizes="(max-width: 768px) 100vw, 33vw"
                      />
                    </div>
                    <div className="flex items-center gap-2 mb-1.5">
                      <span className="text-[#3b82f6] font-body text-[10px] font-bold uppercase tracking-wider">
                        {related.category}
                      </span>
                    </div>
                    <h3 className="font-heading text-[#e0e0e0] text-sm font-bold leading-snug group-hover:text-[#3b82f6] transition-colors line-clamp-2 mb-1.5">
                      {related.title}
                    </h3>
                    <p className="text-[#666] font-body text-xs line-clamp-2 leading-relaxed">
                      {related.excerpt}
                    </p>
                    <div className="flex items-center gap-2 mt-2">
                      <span className="text-[#555] font-body text-[11px]">By {related.author}</span>
                      <span className="text-[#444] text-[10px]">·</span>
                      <span className="text-[#555] font-body text-[11px]">{related.readTime}</span>
                    </div>
                  </Link>
                ))}
              </div>
            </div>

            {/* Dot indicators */}
            {relatedArticles.length > CARDS_VISIBLE && (
              <div className="flex justify-center gap-1.5 mt-6">
                {Array.from({ length: maxIndex + 1 }).map((_, i) => (
                  <button
                    key={i}
                    onClick={() => setCarouselIndex(i)}
                    aria-label={`Go to slide ${i + 1}`}
                    className={`w-1.5 h-1.5 rounded-full transition-colors focus:outline-none ${
                      i === carouselIndex ? "bg-[#3b82f6]" : "bg-[#333]"
                    }`}
                  />
                ))}
              </div>
            )}
          </div>
        </section>
      )}

      {/* Email Share Modal */}
      {emailShareOpen && (
        <div
          className="fixed inset-0 z-50 flex items-center justify-center p-4"
          role="dialog"
          aria-modal="true"
          aria-label="Share article via email">
          {/* Backdrop */}
          <div
            className="absolute inset-0 bg-black/70"
            onClick={() => {
              setEmailShareOpen(false);
              setEmailStatus("idle");
            }}
          />
          {/* Modal */}
          <div className="relative bg-[#111] border border-[#2a2a2a] rounded-sm w-full max-w-md p-6 shadow-2xl">
            <button
              onClick={() => {
                setEmailShareOpen(false);
                setEmailStatus("idle");
              }}
              aria-label="Close share dialog"
              className="absolute top-4 right-4 text-[#555] hover:text-[#e0e0e0] transition-colors focus:outline-none focus-visible:ring-1 focus-visible:ring-[#3b82f6]">
              <svg
                width="18"
                height="18"
                viewBox="0 0 24 24"
                fill="none"
                stroke="currentColor"
                strokeWidth="2"
                aria-hidden="true">
                <line x1="18" y1="6" x2="6" y2="18" />
                <line x1="6" y1="6" x2="18" y2="18" />
              </svg>
            </button>

            <div className="flex items-center gap-3 mb-5">
              <div className="w-9 h-9 rounded-sm bg-[#1a2a3a] border border-[#1e3a5f] flex items-center justify-center flex-shrink-0">
                <svg
                  width="16"
                  height="16"
                  viewBox="0 0 24 24"
                  fill="none"
                  stroke="#3b82f6"
                  strokeWidth="2"
                  aria-hidden="true">
                  <rect x="2" y="4" width="20" height="16" rx="2" />
                  <path d="m22 7-8.97 5.7a1.94 1.94 0 0 1-2.06 0L2 7" />
                </svg>
              </div>
              <div>
                <h2 className="font-heading text-[#e0e0e0] font-bold text-base">Share via Email</h2>
                <p className="font-body text-[#666] text-xs mt-0.5">Send this article to a colleague</p>
              </div>
            </div>

            {/* Article preview */}
            <div className="bg-[#0d0d0d] border border-[#1a1a1a] rounded-sm p-3 mb-5">
              <p className="font-body text-[#888] text-[10px] uppercase tracking-wider mb-1">
                {article.category}
              </p>
              <p className="font-heading text-[#e0e0e0] text-sm font-bold line-clamp-2 leading-snug">
                {article.title}
              </p>
            </div>

            {emailStatus === "success" ? (
              <div className="text-center py-6">
                <div className="w-12 h-12 rounded-full bg-[#0d2a1a] border border-[#1a5a2a] flex items-center justify-center mx-auto mb-3">
                  <svg
                    width="20"
                    height="20"
                    viewBox="0 0 24 24"
                    fill="none"
                    stroke="#22c55e"
                    strokeWidth="2.5"
                    aria-hidden="true">
                    <polyline points="20 6 9 17 4 12" />
                  </svg>
                </div>
                <p className="font-heading text-[#e0e0e0] font-bold mb-1">Email Sent!</p>
                <p className="font-body text-[#777] text-sm">The article has been shared successfully.</p>
              </div>
            ) : (
              <div className="space-y-4">
                <div>
                  <label
                    htmlFor="email-to"
                    className="block font-body text-xs text-[#888] uppercase tracking-wider mb-1.5">
                    Recipient Email <span className="text-[#3b82f6]">*</span>
                  </label>
                  <input
                    id="email-to"
                    type="email"
                    value={emailTo}
                    onChange={(e) => setEmailTo(e.target.value)}
                    placeholder="colleague@example.com"
                    className="w-full bg-[#0d0d0d] border border-[#2a2a2a] focus:border-[#3b82f6] text-[#e0e0e0] placeholder-[#444] text-sm font-body px-3 py-2.5 rounded-sm outline-none transition-colors"
                  />
                </div>
                <div>
                  <label
                    htmlFor="email-note"
                    className="block font-body text-xs text-[#888] uppercase tracking-wider mb-1.5">
                    Personal Note <span className="text-[#555]">(optional)</span>
                  </label>
                  <textarea
                    id="email-note"
                    value={emailNote}
                    onChange={(e) => setEmailNote(e.target.value)}
                    placeholder="Thought you might find this interesting..."
                    rows={3}
                    className="w-full bg-[#0d0d0d] border border-[#2a2a2a] focus:border-[#3b82f6] text-[#e0e0e0] placeholder-[#444] text-sm font-body px-3 py-2.5 rounded-sm outline-none transition-colors resize-none"
                  />
                </div>

                {emailStatus === "error" && (
                  <p className="text-xs font-body text-red-400">
                    Failed to send email. Please try again.
                  </p>
                )}

                <button
                  onClick={handleEmailShare}
                  disabled={emailSending || !emailTo.trim()}
                  className="w-full btn-subscribe py-2.5 text-sm font-bold disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2">
                  {emailSending ? (
                    <>
                      <svg
                        className="animate-spin"
                        width="14"
                        height="14"
                        viewBox="0 0 24 24"
                        fill="none"
                        stroke="currentColor"
                        strokeWidth="2"
                        aria-hidden="true">
                        <path d="M21 12a9 9 0 1 1-6.219-8.56" />
                      </svg>
                      Sending...
                    </>
                  ) : (
                    "Send Article"
                  )}
                </button>
              </div>
            )}
          </div>
        </div>
      )}

      {/* Toast Notification */}
      {saveToast && (
        <div
          role="status"
          aria-live="polite"
          className="fixed bottom-4 right-4 bg-[#1a1a1a] border border-[#3b82f6] text-white px-4 py-3 rounded-sm text-sm font-body shadow-lg z-50">
          {saveToast}
        </div>
      )}

      <Footer />
    </div>
  );
}
