# All files / src/app/user/content/[id]/watch WatchPageClient.tsx

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     'use client';
    /* eslint-disable @typescript-eslint/no-unused-vars */
    /* eslint-disable @next/next/no-img-element */

    import React, { useEffect, useState, useRef, useMemo } from 'react';
    import { useParams, useRouter, usePathname, useSearchParams } from 'next/navigation';
    import Link from 'next/link';
    import { useTranslation } from 'react-i18next';
    import { useQuery } from '@tanstack/react-query';
    import { UserRoute } from '@/components/auth/ProtectedRoute';
    import ModernUserSidebar from '@/components/user/ModernUserSidebar';
    import LogoutButton from '@/components/auth/LogoutButton';
    import { useAuth } from '@/contexts/AuthContext';
    import { contentService, userProfileService } from '@/services';
    import { Button } from '@/components/ui/button';
    import { Badge } from '@/components/ui/badge';
    import { Dialog, DialogContent, DialogTitle } from '@/components/ui/dialog';
    import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
    import { Play, ArrowLeft, Home, Tv, Film, Clapperboard, Stars, Flame, Wand2, Clock, Sparkles, MonitorSmartphone, Search, Settings, Captions, Download, Heart } from 'lucide-react';
    import { ROUTES } from '@/constants/app';
    import type { SubtitleTrackResponse } from '@/types';
    import { cn } from '@/lib/utils';
    import { ModernVideoPlayer } from '@/components/player/ModernVideoPlayer';
    import { FavoriteButton } from '@/components/user/FavoriteButton';
    import { getSubtitleLanguageName } from '@/constants/subtitleLanguages';
    import { subtitleCache } from '@/services/subtitleCache';
    import { appendStreamHeaderParams, hasStreamHeaderOverrides, normalizeStreamHeaders, type StreamHeaderOverrides } from '@/lib/streamProxy';
    import { useSubtitleControls } from './useSubtitleControls';

    // Helper to determine if a URL is from our own server (same-origin or relative)
    // External URLs should not include credentials to avoid CORS issues
    const isInternalUrl = (url: string): boolean => {
      if (!url) return false;

      // Relative URLs are always internal
      if (url.startsWith('/') && !url.startsWith('//')) return true;

      try {
        const urlObj = new URL(url, typeof window !== 'undefined' ? window.location.origin : '');
        // Check if it's same origin
        return typeof window !== 'undefined' && urlObj.origin === window.location.origin;
      } catch {
        // If URL parsing fails, assume it's internal (relative path)
        return true;
      }
    };
    export default function WatchPageClient() {
      const { t } = useTranslation();
      const params = useParams() as { id?: string };
      const router = useRouter();
      const pathname = usePathname();
      const searchParams = useSearchParams();

      // Get episode ID from URL query parameter (for continue watching series/anime)
      const episodeIdFromUrl = useMemo(() => {
        const ep = searchParams.get('episode');
        return ep ? Number(ep) : null;
      }, [searchParams]);

      // Extract content ID from pathname (e.g., /user/content/457/watch -> 457)
      // This is necessary because Next.js static export uses "_" as placeholder
      const contentId = useMemo(() => {
        if (!pathname) return NaN;
        const match = pathname.match(/\/user\/content\/(\d+)\/watch/);
        if (match && match[1]) {
          return Number(match[1]);
        }
        // Fallback to params if pathname doesn't match (shouldn't happen)
        return params?.id ? Number(params.id) : NaN;
      }, [pathname, params?.id]);

      const [content, setContent] = useState<any | null>(null);
      const [streamUrl, setStreamUrl] = useState<string | null>(null);
      const [drmKeys, setDrmKeys] = useState<string | null>(null);
      const [drmKeysExo, setDrmKeysExo] = useState<string | null>(null);
      const [licenseServerUrl, setLicenseServerUrl] = useState<string | null>(null);
      const [drmType, setDrmType] = useState<'clearkey' | 'widevine' | 'playready' | null>(null);
      const [drmHeaders, setDrmHeaders] = useState<Record<string, string> | null>(null);
      const [subtitles, setSubtitles] = useState<SubtitleTrackResponse[]>([]);
      const [loadingContent, setLoadingContent] = useState(false);
      const [loadingStream, setLoadingStream] = useState(false);
      const [error, setError] = useState<string | null>(null);
      const videoRef = useRef<HTMLVideoElement | null>(null);

      // Player integration state
      const shakaRef = useRef<any | null>(null);
      const hlsRef = useRef<any | null>(null);
      const [playerInitialized, setPlayerInitialized] = useState(false);
      const [isPlaying, setIsPlaying] = useState(false);
      const [showPlayer, setShowPlayer] = useState(false);
      const [playerOpen, setPlayerOpen] = useState(false);
      const [searchTerm, setSearchTerm] = useState('');
      const playerRootRef = useRef<HTMLDivElement | null>(null);
      const scriptPromisesRef = useRef<Map<string, Promise<void>>>(new Map());

      // Enhanced player UI state
      const [showSubsPanel, setShowSubsPanel] = useState(false);
      const [showSettingsPanel, setShowSettingsPanel] = useState(false);
      const [playbackRate, setPlaybackRate] = useState<number>(1);

      const {
        selectedSubtitleIndex,
        setSelectedSubtitleIndex,
        subtitleSize,
        setSubtitleSize,
        applySubtitleSelection,
        disableAllSubtitles} = useSubtitleControls({
        contentId,
        subtitles,
        playerOpen,
        videoRef,
        shakaRef});

      // Track currently playing episode ID for series/anime progress saving
      const [currentEpisodeId, setCurrentEpisodeId] = useState<number | null>(null);

      function setSpeed(rate: number) {
        const v = videoRef.current;
        if (v) {
          v.playbackRate = rate;
          setPlaybackRate(rate);
        }
      }

      // Convert a hex string to base64 (used to build ClearKey map)
      function hexToBase64(hex: string): string {
        const bytes = hex.match(/.{1,2}/g)?.map((b) => parseInt(b, 16)) ?? [];
        let binary = '';
        for (let i = 0; i < bytes.length; i++) {
          binary += String.fromCharCode(bytes[i]);
        }
        return typeof window !== 'undefined' ? window.btoa(binary) : Buffer.from(bytes).toString('base64');
      }

      // Parse DRM hex pairs like "kidHex:keyHex[,kidHex2:keyHex2]" into a ClearKeys map { kid_b64: key_b64 }
      function parseHexDrmKeysToClearKeysMap(hexPairs: string): Record<string, string> {
        const map: Record<string, string> = {};
        const tokens = hexPairs.split(',').map((s) => s.trim()).filter(Boolean);
        for (const tok of tokens) {
          const parts = tok.split(':').map((p) => p.trim());
          if (parts.length !== 2) continue;
          const kidHex = parts[0];
          const keyHex = parts[1];
          try {
            const keyB64 = hexToBase64(keyHex);
            const kidB64 = hexToBase64(kidHex);
            map[kidB64] = keyB64;
          } catch {
            // skip malformed entries
            continue;
          }
        }
        return map;
      }

      function base64UrlToBase64(s: string) {
        let out = s.replace(/-/g, '+').replace(/_/g, '/');
        while (out.length % 4) out += '=';
        return out;
      }

      // Try to parse server-provided ExoPlayer JSON (drm_keys_exo) into ClearKeys map { kid_b64: key_b64 }
      function parseExoClearKeyJson(exoJsonStr: string | null | undefined): Record<string, string> | null {
        if (!exoJsonStr) return null;
        try {
          const parsedAny: any = JSON.parse(exoJsonStr);
          // ExoPlayer clearkey format may be: { "keys": [{"kid":"base64url", "k":"base64url"}], ... }
          if (parsedAny && parsedAny.keys && Array.isArray(parsedAny.keys)) {
            const map: Record<string, string> = {};
            for (const item of parsedAny.keys) {
              if (item.k && item.kid) {
                // Convert base64url -> base64
                const k = base64UrlToBase64(String(item.k));
                const kid = base64UrlToBase64(String(item.kid));
                map[kid] = k;
              }
            }
            return Object.keys(map).length ? map : null;
          }
          return null;
        } catch {
          return null;
        }
      }

      // Helpers to detect stream type
      function isDashUrl(url: string) { return /\.mpd($|\?)/i.test(url); }
      function isHlsUrl(url: string) { return /\.m3u8($|\?)/i.test(url); }

      // Same-origin and proxy helpers to avoid CSP media-src blocks
      function isSameOriginUrl(input: string): boolean {
        try {
          const base = typeof window !== 'undefined' ? window.location.origin : '';
          if (!/^https?:/i.test(input)) return true; // relative -> same-origin
          const u = new URL(input, base);
          return u.origin === base;
        } catch {
          return false;
        }
      }
      function toProxiedUrl(input: string, overrides?: StreamHeaderOverrides): string {
        const headerParams = normalizeStreamHeaders(overrides);
        const shouldProxy = hasStreamHeaderOverrides(headerParams);
        try {
          // In static export, Next.js API routes don't work
          // The web-server already proxies /api/* to the backend
          // So we can use URLs directly if they're from the backend
          if (/^\/api\/proxy\/stream\?url=/i.test(input)) {
            const base = typeof window !== 'undefined' ? window.location.origin : '';
            const u = new URL(input, base);
            appendStreamHeaderParams(u.searchParams, headerParams);
            return `${u.pathname}?${u.searchParams.toString()}`;
          }
          if (isSameOriginUrl(input)) return input;

          // If the URL is from the backend (contains /api/content/file/ or /api/episodes/file/), use it directly
          // The web-server will proxy it to the backend
          if (input.includes('/api/content/file/') || input.includes('/api/episodes/file/')) {
            // Extract just the path if it's an absolute URL
            try {
              const url = new URL(input);
              return url.pathname; // Returns /api/content/file/123 or /api/episodes/file/123
            } catch {
              return input;
            }
          }

          // For external URLs, we can't proxy in static export
          // Return the URL directly and hope CORS allows it
          if (!shouldProxy) return input;

          const params = new URLSearchParams();
          params.set('url', input);
          appendStreamHeaderParams(params, headerParams);
          return `/api/proxy/stream?${params.toString()}`;
        } catch {
          return input;
        }
      }

      // Special proxy for subtitles that converts SRT to WebVTT
      function toProxiedSubtitleUrl(input: string): string {
        try {
          // In static export, Next.js API routes don't work
          // For subtitles from the backend, use them directly
          // The backend should serve them in WebVTT format
          if (isSameOriginUrl(input)) {
            // If it's a backend subtitle URL, use it directly
            // Support both content (movies) and episodes (series) subtitle URLs
            if (input.includes('/api/content/') || input.includes('/api/episodes/') || input.includes('/metadata/')) {
              return input;
            }
          }
          if (/^\/api\/proxy\/subtitle\?url=/i.test(input)) return input;

          // For external subtitle URLs, return directly
          // Browser will handle CORS
          return input;
        } catch {
          return input;
        }
      }

      // External script loader (cdn-based fallback to avoid bundling optional deps)
      async function loadExternalScript(src: string): Promise<void> {
        if (typeof document === 'undefined') return;
        const existingPromise = scriptPromisesRef.current.get(src);
        if (existingPromise) return existingPromise;
        const promise = new Promise<void>((resolve, reject) => {
          const existing = document.querySelector(`script[src="${src}"]`) as HTMLScriptElement | null;
          if (existing && (existing as any)._loaded) {
            resolve();
            return;
          }
          const s = existing ?? document.createElement('script');
          s.src = src;
          s.async = true;
          s.onload = () => { (s as any)._loaded = true; resolve(); };
          s.onerror = () => reject(new Error(`Failed to load script: ${src}`));
          if (!existing) document.head.appendChild(s);
        });
        scriptPromisesRef.current.set(src, promise);
        return promise;
      }

      // Initialize HLS via hls.js (loaded via CDN if not present)
      async function initHlsPlayer(m3u8Url: string) {
        try {
          if (typeof window === 'undefined') return false;
          const w = window as any;
          if (!w.Hls) {
            await loadExternalScript('https://cdn.jsdelivr.net/npm/hls.js@1.5.14/dist/hls.min.js');
          }
          const Hls = (window as any).Hls;
          if (Hls && Hls.isSupported && Hls.isSupported()) {
            if (hlsRef.current) {
              try { hlsRef.current.destroy(); } catch { }
              hlsRef.current = null;
            }
            const hls = new Hls({});
            hlsRef.current = hls;
            hls.on(Hls.Events.ERROR, (_evt: any, data: any) => {
              console.error('hls.js error', data);
            });
            if (videoRef.current) {
              hls.attachMedia(videoRef.current);
              hls.loadSource(m3u8Url);
              setPlayerInitialized(true);
            }
            return true;
          } else if (videoRef.current && videoRef.current.canPlayType && videoRef.current.canPlayType('application/vnd.apple.mpegurl')) {
            // Native HLS (Safari)
            if (videoRef.current) {
              videoRef.current.src = m3u8Url;
              setPlayerInitialized(false); // using native element source
            }
            return true;
          }
          return false;
        } catch (err) {
          return false;
        }
      }

      // Initialize Shaka Player + UI Overlay (supports HLS, DASH, ClearKey, Widevine, PlayReady)
      async function initShakaPlayer(
        manifestUrl: string,
        drmHex?: string | null,
        drmExo?: string | null,
        drmType?: string | null,
        licenseServerUrl?: string | null,
        drmHeaders?: Record<string, string> | null
      ) {
        try {
          if (typeof window === 'undefined') return false;
          // Load Shaka core + UI + CSS
          await loadExternalScript('https://cdnjs.cloudflare.com/ajax/libs/shaka-player/4.9.6/shaka-player.compiled.min.js');
          await loadExternalScript('https://cdnjs.cloudflare.com/ajax/libs/shaka-player/4.9.6/shaka-player.ui.min.js');
          // Inject CSS if not present
          (function injectShakaCss() {
            const href = 'https://cdnjs.cloudflare.com/ajax/libs/shaka-player/4.9.6/controls.css';
            const exists = Array.from(document.querySelectorAll('link[rel="stylesheet"]'))
              .some((l) => (l as HTMLLinkElement).href === href);
            if (!exists) {
              const link = document.createElement('link');
              link.rel = 'stylesheet';
              link.href = href;
              document.head.appendChild(link);
            }
          })();

          const shaka = (window as any).shaka;
          const videoEl = videoRef.current;
          if (!shaka || !shaka.Player || !shaka.ui || !videoEl) {
            return false;
          }

          shaka.polyfill.installAll();

          // Destroy previous player if exists
          if (shakaRef.current) {
            try { await shakaRef.current.destroy(); } catch { }
            shakaRef.current = null;
            setPlayerInitialized(false);
          }

          // Create Player using new method (Shaka v5 compatible)
          const player = new shaka.Player();
          await player.attach(videoEl);
          shakaRef.current = player;

          const container = playerRootRef.current || videoEl.parentElement!;
          const overlay = new shaka.ui.Overlay(player, container, videoEl);
          const controls = overlay.getControls();
          controls.configure({
            controlPanelElements: ['play_pause', 'time_and_duration', 'spacer', 'mute', 'volume', 'language', 'captions', 'quality', 'overflow_menu'],
            overflowMenuButtons: ['language', 'captions', 'playback_rate', 'quality'],
            playbackRates: [0.5, 1, 1.25, 1.5, 2]});

          // DRM Configuration
          const drmConfig: any = {};

          // Widevine or PlayReady with license server
          if (licenseServerUrl && (drmType === 'widevine' || drmType === 'playready')) {
            const serverUrl = drmType === 'widevine'
              ? { 'com.widevine.alpha': licenseServerUrl }
              : { 'com.microsoft.playready': licenseServerUrl };

            drmConfig.servers = serverUrl;

            // Configure advanced settings with robustness levels and custom headers
            const advancedConfig: any = {};

            if (drmType === 'widevine') {
              advancedConfig['com.widevine.alpha'] = {
                // SW_SECURE_CRYPTO is the most compatible level for web playback
                videoRobustness: 'SW_SECURE_CRYPTO',
                audioRobustness: 'SW_SECURE_CRYPTO',
                ...(drmHeaders && Object.keys(drmHeaders).length > 0 ? { headers: drmHeaders } : {})
              };
            } else {
              advancedConfig['com.microsoft.playready'] = {
                videoRobustness: 'SW_SECURE_CRYPTO',
                audioRobustness: 'SW_SECURE_CRYPTO',
                ...(drmHeaders && Object.keys(drmHeaders).length > 0 ? { headers: drmHeaders } : {})
              };
            }

            drmConfig.advanced = advancedConfig;

            console.log(`🔐 Configuring ${drmType.toUpperCase()} DRM with license server and robustness levels`);
          }
          // ClearKey DRM (fallback)
          else {
            let clearKeys: Record<string, string> | null = null;
            if (drmHex) {
              const parsed = parseHexDrmKeysToClearKeysMap(drmHex);
              if (Object.keys(parsed).length) clearKeys = parsed;
            } else if (drmExo) {
              const parsed = parseExoClearKeyJson(drmExo);
              if (parsed) clearKeys = parsed;
            }
            if (clearKeys) {
              drmConfig.clearKeys = clearKeys;
              console.log('🔐 Configuring ClearKey DRM');
            }
          }

          if (Object.keys(drmConfig).length > 0) {
            player.configure({ drm: drmConfig });
          }

          player.addEventListener('error', (e: any) => {
            console.error('Shaka Player error', e);
            setError(t('user.live.playbackError'));
          });

          await player.load(manifestUrl);

          // Log available audio tracks
          try {
            // Audio track detection for debugging
            const tracks = player.getVariantTracks();
            const _audioTracks = tracks.filter((t: { type: string; language?: string }) => t.type === 'variant' && t.language);
            void _audioTracks; // Suppress unused variable warning
          } catch {
            // Ignore errors in audio track detection
          }

          // Attach external subtitles (as WebVTT) so they show in Shaka UI
          try {
            if (Array.isArray(subtitles) && subtitles.length) {

              for (const s of subtitles) {
                const lang = (s.language || s.label || 'und').toString();
                const label = getSubtitleLanguageName(s.language || s.label || '');
                const proxiedUrl = toProxiedSubtitleUrl(s.url); // Use subtitle-specific proxy

                // addTextTrack(uri, language, kind, mime, codec, label, forced)
                player.addTextTrack(proxiedUrl, lang, 'subtitle', 'text/vtt', undefined, label, false);
              }

              player.setTextTrackVisibility(true);

              // Try restore previous selection
              const anyPlayer = player as any;
              const tracks = anyPlayer.getTextTracks?.() || [];

              const saved = parseInt(localStorage.getItem(`iptv_subs_${contentId}`) || '-1', 10);
              const pick = Number.isFinite(saved) && saved >= 0 && saved < tracks.length ? saved : 0;

              if (tracks[pick]) {
                anyPlayer.selectTextTrack(tracks[pick]);
              }
            }
          } catch (e) {
            console.error('Failed to attach text tracks to Shaka', e);
          }

          setPlayerInitialized(true);
          return true;
        } catch (err) {
          return false;
        }
      }

      // Cleanup on unmount - MEMORY LEAK FIX: Properly clean up all resources
      useEffect(() => {
        return () => {
          // Clean up Shaka player
          if (shakaRef.current) {
            try { shakaRef.current.destroy(); } catch { }
            shakaRef.current = null;
          }
          // Clean up HLS.js
          if (hlsRef.current) {
            try { hlsRef.current.destroy(); } catch { }
            hlsRef.current = null;
          }
          // Clean up video element
          if (videoRef.current) {
            try {
              videoRef.current.pause();
              videoRef.current.src = '';
              videoRef.current.load();
            } catch { }
          }
          // Clear script promise cache to allow garbage collection
          scriptPromisesRef.current.clear();
        };
      }, []);

      useEffect(() => {
        const v = videoRef.current;
        if (!v) return;
        const onPlay = () => setIsPlaying(true);
        const onPause = () => setIsPlaying(false);
        const onEnded = () => setIsPlaying(false);
        v.addEventListener('play', onPlay);
        v.addEventListener('pause', onPause);
        v.addEventListener('ended', onEnded);
        return () => {
          v.removeEventListener('play', onPlay);
          v.removeEventListener('pause', onPause);
          v.removeEventListener('ended', onEnded);
        };
      }, [streamUrl]);

      // Track if we've already restored position
      const hasRestoredPosition = useRef(false);
      const lastSavedTime = useRef(0);
      const currentEpisodeIdRef = useRef<number | null>(null);

      useEffect(() => {
        hasRestoredPosition.current = false;
        lastSavedTime.current = 0;
      }, [contentId, currentEpisodeId, streamUrl]);

      // Keep ref in sync with state for use in closures
      useEffect(() => {
        currentEpisodeIdRef.current = currentEpisodeId;
      }, [currentEpisodeId]);

      // Save progress every 30 seconds while playing
      useEffect(() => {
        if (!contentId || Number.isNaN(contentId) || !streamUrl || !playerOpen) return;

        let interval: NodeJS.Timeout | null = null;
        let mounted = true;

        const saveProgress = async (opts?: { allowPaused?: boolean; allowEnded?: boolean; force?: boolean }) => {
          const v = videoRef.current;
          if (!v) return;

          if (!opts?.allowPaused && v.paused) return;
          if (!opts?.allowEnded && v.ended) return;

          const currentTime = Math.floor(v.currentTime || 0);
          const durationValue = Number.isFinite(v.duration) ? Math.floor(v.duration) : 0;
          const duration = durationValue > 0 ? durationValue : 0;

          if (!opts?.force) {
            if (Math.abs(currentTime - lastSavedTime.current) < 5) return;
            if (currentTime < 10) return;
          }
          if (duration <= 0) return;

          lastSavedTime.current = currentTime;

          // Use ref for episodeId to always get current value
          const episodeIdToSave = currentEpisodeIdRef.current;

          try {
            await contentService.saveWatchProgress({
              contentId,
              contentType: content?.content_type || content?.type || 'movie',
              episodeId: episodeIdToSave ?? undefined,
              positionSeconds: currentTime,
              durationSeconds: duration});
            console.log(`💾 Progress saved: ${currentTime}s / ${duration}s${episodeIdToSave ? ` (episode ${episodeIdToSave})` : ''}`);
          } catch (err) {
            console.error('Failed to save progress:', err);
          }
        };

        const onPauseHandler = () => saveProgress({ allowPaused: true });
        const onEndedHandler = () => saveProgress({ allowPaused: true, allowEnded: true, force: true });

        // Wait for video element to be available after dialog opens
        const setupListeners = () => {
          const v = videoRef.current;
          if (!v || !mounted) return;

          v.addEventListener('pause', onPauseHandler);
          v.addEventListener('ended', onEndedHandler);

          // Save every 30 seconds while playing
          interval = setInterval(() => saveProgress(), 30000);
        };

        // Small delay to ensure video element is mounted after dialog animation
        const timeout = setTimeout(setupListeners, 100);

        return () => {
          mounted = false;
          clearTimeout(timeout);
          if (interval) clearInterval(interval);
          const v = videoRef.current;
          v?.removeEventListener('pause', onPauseHandler);
          v?.removeEventListener('ended', onEndedHandler);
          // Save on unmount even if paused (uses ref for current episodeId)
          saveProgress({ allowPaused: true, allowEnded: true });
        };
      }, [contentId, streamUrl, content, playerOpen]); // Removed currentEpisodeId - using ref instead

      // Restore position when video loads
      useEffect(() => {
        if (!contentId || Number.isNaN(contentId) || !streamUrl || hasRestoredPosition.current) return;

        const restorePosition = async () => {
          try {
            const res = await contentService.getWatchProgress(contentId);
            if (res.success && res.data?.progress && !res.data.progress.completed) {
              const savedPosition = res.data.progress.position_seconds;
              if (savedPosition > 10) {
                const v = videoRef.current;
                if (v) {
                  // Wait for video to be ready
                  const seekToSaved = () => {
                    if (v.readyState >= 1) {
                      v.currentTime = savedPosition;
                      hasRestoredPosition.current = true;
                      lastSavedTime.current = savedPosition;
                      console.log(`▶️ Resumed at ${savedPosition}s`);
                    }
                  };

                  if (v.readyState >= 1) {
                    seekToSaved();
                  } else {
                    v.addEventListener('loadedmetadata', seekToSaved, { once: true });
                  }
                }
              }
            }
          } catch (err) {
            console.error('Failed to restore position:', err);
          }
        };

        restorePosition();
      }, [contentId, streamUrl]);

      useEffect(() => {
        if (!contentId || Number.isNaN(contentId)) {
          setError(t('watch.invalidId'));
          return;
        }

        let mounted = true;
        const load = async () => {
          setLoadingContent(true);
          setError(null);
          try {
            const res = await contentService.getContentById(contentId);
            if (!mounted) return;
            if (res.success && res.data) {
              setContent(res.data);
            } else {
              setError(res.error?.error ?? t('watch.notFound'));
            }
          } catch (e) {
            setError(String(e));
          } finally {
            setLoadingContent(false);
          }
        };

        load();
        return () => { mounted = false; };
      }, [contentId, t]);

      const fetchStream = async (): Promise<string | null> => {
        if (!contentId || Number.isNaN(contentId)) return null;
        setLoadingStream(true);
        setError(null);
        try {
          const res = await contentService.getStreamUrl(contentId);

          if (res.success && res.data) {

            const url = res.data.stream_url ?? null;
            if (url) {
              // Convert absolute API URLs to relative paths for same-origin requests
              // This ensures authentication cookies are sent properly
              const proxiedUrl = toProxiedUrl(url, {
                origin: res.data.origin ?? null,
                user_agent: res.data.user_agent ?? null,
                referer: res.data.referer ?? null,
                custom_headers: res.data.custom_headers ?? null});
              setStreamUrl(proxiedUrl);

              // Set DRM info
              setLicenseServerUrl(res.data.license_server_url ?? null);
              setDrmType(res.data.drm_type ?? null);
              setDrmKeys(res.data.drm_keys ?? null);
              setDrmKeysExo(res.data.drm_keys_exo ?? null);
              setDrmHeaders(res.data.drm_headers ?? null);

              // Process subtitles - only use what the backend explicitly provides
              const subs = res.data.subtitles ?? [];
              setSubtitles(subs);

              // Preload all subtitles for instant switching
              if (subs.length > 0) {
                subtitleCache.preloadSubtitles(subs).catch(err => {
                });
              }

              return proxiedUrl;
            } else {
              setError(t('watch.noStreamAvailable'));
              return null;
            }
          } else {
            setError(res.error?.error ?? t('watch.streamError'));
            return null;
          }
        } catch (e) {
          setError(String(e));
          return null;
        } finally {
          setLoadingStream(false);
        }
      };

      // Simple native player for MP4/VOD content - more reliable for subtitles
      async function ensurePlaybackReady(url: string | null): Promise<void> {
        if (!url || !videoRef.current) return;

        const isVodContent = (() => {
          const tLower = String((content as any)?.content_type || '').toLowerCase();
          const catRaw = String(
            (content as any)?.category?.category_type ??
            (content as any)?.category?.name ??
            (content as any)?.category ??
            ''
          ).toLowerCase();
          return tLower === 'movie' || tLower === 'movies' || tLower === 'vod' || catRaw === 'vod';
        })();

        // For VOD/MP4 content, use native player for better subtitle support
        if (isVodContent || url.toLowerCase().includes('.mp4')) {
          try {
            // Clean up any existing players first
            if (shakaRef.current) {
              try { await shakaRef.current.destroy(); } catch { }
              shakaRef.current = null;
            }
            if (hlsRef.current) {
              try { hlsRef.current.destroy(); } catch { }
              hlsRef.current = null;
            }

            // Set crossOrigin based on URL origin:
            // - Internal URLs: use-credentials (for authentication)
            // - External URLs: anonymous (to avoid CORS issues with wildcard origins)
            videoRef.current.crossOrigin = isInternalUrl(url) ? 'use-credentials' : 'anonymous';

            // Small delay to ensure DOM is ready with crossOrigin attribute
            await new Promise(r => setTimeout(r, 50));

            videoRef.current.src = url;
            setPlayerInitialized(false); // Use native controls
          } catch (e) {
            console.error('🎬 Error setting up native player:', e);
          }
        } else if (isHlsUrl(url) || isDashUrl(url)) {
          // Use Shaka only for HLS/DASH streams
          await initShakaPlayer(
            url,
            drmKeys,
            drmKeysExo,
            drmType,
            licenseServerUrl,
            drmHeaders
          );
        } else {
          // Fallback to native
          try {
            videoRef.current.src = url;
            setPlayerInitialized(false);
          } catch {
            // ignore
          }
        }
      }

      // Enter fullscreen and start playback
      async function startPlaybackFullscreen(): Promise<void> {
        // Kept for reference; using modal playback now
        let url = streamUrl;
        if (!url) {
          url = await fetchStream();
        }
        await ensurePlaybackReady(url);
        const v = videoRef.current;
        try {
          await v?.play();
          setIsPlaying(true);
        } catch { }
      }

      // Open modal (90vw) and start playback
      async function startPlaybackModal(): Promise<void> {
        setCurrentEpisodeId(null); // Clear episode ID for movie playback
        let url = streamUrl;
        if (!url) {
          url = await fetchStream();
        }
        // open modal first so the video element exists
        setPlayerOpen(true);
        await new Promise((r) => setTimeout(r, 50));
        await ensurePlaybackReady(url);
        const v = videoRef.current;
        if (v) {
          try {
            await v.play();
            setIsPlaying(true);
          } catch {
            // autoplay may be blocked; user can press play manually
          }
        }
      }

      // Sidebar search submit on Enter
      function handleSidebarSearchKey(e: React.KeyboardEvent<HTMLInputElement>) {
        if (e.key === 'Enter') {
          const q = searchTerm.trim();
          if (q) {
            router.push(`${ROUTES.CONTENT.SEARCH}?q=${encodeURIComponent(q)}`);
          }
        }
      }

      // React to leaving fullscreen -> pause and hide overlay player
      useEffect(() => {
        const onFsChange = () => {
          const fsActive = !!document.fullscreenElement;
          if (!fsActive) {
            setIsPlaying(false);
            setShowPlayer(false);
            const v = videoRef.current;
            try { v?.pause(); } catch { }
          }
        };
        document.addEventListener('fullscreenchange', onFsChange);
        return () => document.removeEventListener('fullscreenchange', onFsChange);
      }, []);

      // Do not auto-fetch the stream. Wait for explicit user action (Play).

      // Sidebar menu and related content data

      // Background helpers for related rail
      const fallbackCardBackgrounds = [
        'linear-gradient(135deg, #1f2937 0%, #0f172a 100%)',
        'linear-gradient(135deg, #111827 0%, #1d4ed8 80%)',
        'linear-gradient(135deg, #111827 0%, #7c3aed 100%)',
        'linear-gradient(135deg, #111827 0%, #f97316 100%)',
        'linear-gradient(135deg, #111827 0%, #14b8a6 100%)',
        'linear-gradient(135deg, #111827 0%, #ef4444 100%)',
      ];
      function toBackgroundImage(src?: string | null, fallback?: string) {
        const s = (src ?? '').trim();
        if (!s) return fallback ?? 'linear-gradient(135deg, #1f2937 0%, #0f172a 100%)';
        if (s.startsWith('linear-gradient') || s.startsWith('radial-gradient') || s.startsWith('url(')) return s;
        return `url(${s})`;
      }

      // Build sidebar (categories + profile)
      const { user } = useAuth();

      const usernameLabel = useMemo(
        () => (user as any)?.username || t('user.dashboard.guest'),
        [t, (user as any)?.username],
      );

      const { data: allCategories = [] } = useQuery({
        queryKey: ['categories', 'all'],
        staleTime: 5 * 60 * 1000,
        queryFn: async () => {
          const res = await contentService.getCategories();
          if (res.success && res.data) return res.data as any[];
          return [];
        }});

      const { data: profile } = useQuery({
        queryKey: ['user', 'profile-basic'],
        staleTime: 5 * 60 * 1000,
        queryFn: async () => {
          const res = await userProfileService.getProfile();
          if (!res.success || !res.data) {
            throw new Error((res.error?.error as string) || t('products.errors.loadProfileFailed'));
          }
          return res.data;
        }});

      const userCategoryObjs = useMemo(() => {
        const result: Array<{ id: number; name: string; category_type: string }> = [];
        const pushUnique = (cat?: { id?: number; name?: string; category_type?: string } | null) => {
          if (!cat) return;
          const id = Number(cat.id ?? 0);
          const name = String(cat.name ?? cat.category_type ?? '').trim();
          const type = String(cat.category_type ?? cat.name ?? '').trim();
          if (!name && !type) return;
          const key = (type || name).toLowerCase();
          if (result.find((x) => (x.category_type || x.name).toLowerCase() === key)) return;
          result.push({
            id: Number.isFinite(id) && id > 0 ? id : 0,
            name: name || type,
            category_type: type || name});
        };

        const direct = (user as any)?.subscribed_categories as Array<any> | undefined;
        if (Array.isArray(direct) && direct.length) {
          if (typeof direct[0] === 'object') {
            direct.forEach((c) => pushUnique(c));
          } else {
            (direct as number[]).forEach((id) => {
              const found = (allCategories as any[]).find((c: any) => c.id === id);
              if (found) pushUnique(found);
            });
          }
        }

        if (result.length === 0) {
          const ids = (profile as any)?.subscribed_categories as number[] | undefined;
          if (ids && ids.length && (allCategories as any[]).length) {
            ids.forEach((id) => {
              const found = (allCategories as any[]).find((c: any) => c.id === id);
              if (found) pushUnique(found);
            });
          }
        }

        return result;
      }, [user?.subscribed_categories, (profile as any)?.subscribed_categories, allCategories]);

      const menuItems = useMemo(() => {
        type MenuItemKey = 'home' | 'liveTv' | 'movies' | 'series' | 'kids' | 'anime' | 'events' | 'search';
        type MenuItem = { key: MenuItemKey; href: string; icon: any; basePath: string };
        const add = new Map<string, MenuItem>();

        const byType = (typ: string): MenuItem | null => {
          const t = (typ || '').toLowerCase();
          if (t === 'tv') return { key: 'liveTv', href: `${ROUTES.CONTENT.BROWSE}?tab=live`, icon: Tv, basePath: ROUTES.CONTENT.BROWSE };
          if (t === 'vod' || t === 'movies' || t === 'movie') return { key: 'movies', href: `${ROUTES.CONTENT.BROWSE}?tab=movies`, icon: Film, basePath: ROUTES.CONTENT.BROWSE };
          if (t === 'series' || t === 'shows' || t === 'show') return { key: 'series', href: `${ROUTES.CONTENT.BROWSE}?tab=shows`, icon: Clapperboard, basePath: ROUTES.CONTENT.BROWSE };
          if (t === 'kids') return { key: 'kids', href: `${ROUTES.CONTENT.BROWSE}?category=Kids`, icon: Stars, basePath: ROUTES.CONTENT.BROWSE };
          if (t === 'anime') return { key: 'anime', href: `${ROUTES.CONTENT.BROWSE}?category=Anime`, icon: Wand2, basePath: ROUTES.CONTENT.BROWSE };
          if (t === 'events' || t === 'eventos') return { key: 'events', href: `${ROUTES.CONTENT.BROWSE}?category=events`, icon: Clock, basePath: ROUTES.CONTENT.BROWSE };
          return null;
        };

        for (const c of userCategoryObjs) {
          const mi = byType(c.category_type || c.name || '');
          if (mi) add.set(mi.key, mi);
        }

        const weight: Record<MenuItemKey, number> = {
          movies: 10,
          liveTv: 20,
          series: 30,
          kids: 40,
          anime: 50,
          events: 55,
          home: 0,
          search: 999,
        };

        const subs = Array.from(add.values()).sort((a, b) => (weight[a.key] ?? 999) - (weight[b.key] ?? 999));
        const homeItem: MenuItem = { key: 'home', href: ROUTES.USER.BASE, icon: Home, basePath: ROUTES.USER.BASE };
        const searchItem: MenuItem = { key: 'search', href: ROUTES.CONTENT.SEARCH, icon: Search, basePath: ROUTES.CONTENT.SEARCH };

        if (!subs.length) {
          const defaults: MenuItem[] = [
            { key: 'liveTv', href: `${ROUTES.CONTENT.BROWSE}?tab=live`, icon: Tv, basePath: ROUTES.CONTENT.BROWSE },
            { key: 'movies', href: `${ROUTES.CONTENT.BROWSE}?tab=movies`, icon: Film, basePath: ROUTES.CONTENT.BROWSE },
            { key: 'series', href: `${ROUTES.CONTENT.BROWSE}?tab=shows`, icon: Clapperboard, basePath: ROUTES.CONTENT.BROWSE },
            { key: 'kids', href: `${ROUTES.CONTENT.BROWSE}?category=Kids`, icon: Stars, basePath: ROUTES.CONTENT.BROWSE },
            { key: 'anime', href: `${ROUTES.CONTENT.BROWSE}?category=Anime`, icon: Wand2, basePath: ROUTES.CONTENT.BROWSE },
            { key: 'events', href: `${ROUTES.CONTENT.BROWSE}?category=events`, icon: Clock, basePath: ROUTES.CONTENT.BROWSE },
          ];
          return [homeItem, ...defaults, searchItem];
        }
        return [homeItem, ...subs, searchItem];
      }, [userCategoryObjs, ROUTES.CONTENT.BROWSE, ROUTES.CONTENT.SEARCH, ROUTES.USER.BASE]);

      // Infer active query for sidebar highlighting on watch pages
      const inferredActiveQuery = useMemo(() => {
        const tLower = String((content as any)?.content_type ?? '').toLowerCase();
        const catRaw = String(
          (content as any)?.category?.category_type ??
          (content as any)?.category?.name ??
          (content as any)?.category ??
          ''
        ).toLowerCase();
        const isLive = Boolean((content as any)?.is_live);

        const pick: { tab?: string; category?: string } = {};

        if (isLive || tLower === 'tv' || tLower === 'live' || catRaw === 'tv') {
          pick.tab = 'live';
        } else if (tLower === 'series' || tLower === 'show' || tLower === 'shows' || catRaw === 'series') {
          pick.tab = 'shows';
        } else if (tLower === 'movie' || tLower === 'movies' || tLower === 'vod' || catRaw === 'vod') {
          pick.tab = 'movies';
        } else if (catRaw === 'kids') {
          pick.category = 'kids';
        } else if (catRaw === 'anime') {
          pick.category = 'anime';
        } else if (catRaw === 'eventos' || catRaw === 'events') {
          pick.category = 'events';
        }

        return pick;
      }, [content]);

      // Determine if content is episodic (series, anime, shows) to decide whether to fetch series data
      // Must wait until content is fully loaded to make this determination
      const isEpisodicContent = useMemo(() => {
        // If content is not yet loaded, return undefined to indicate "unknown"
        if (!content || loadingContent) return undefined;

        const tLower = String((content as any)?.content_type ?? '').toLowerCase();
        const catRaw = String(
          (content as any)?.category?.category_type ??
          (content as any)?.category?.name ??
          (content as any)?.category ??
          ''
        ).toLowerCase();

        // Series and Anime are episodic content
        const isEpisodic = tLower === 'series' || tLower === 'show' || tLower === 'shows' || tLower === 'anime' ||
          catRaw === 'series' || catRaw === 'anime';

        console.log(`🎬 Content type check: content_type="${tLower}", category="${catRaw}", isEpisodic=${isEpisodic}`);
        return isEpisodic;
      }, [content, loadingContent]);

      // Series data (seasons and episodes) when viewing episodic content
      // Only enabled when: contentId exists, content is loaded, and content is confirmed episodic
      const { data: seriesInfo } = useQuery({
        queryKey: ['series-by-content', contentId],
        enabled: !!contentId && isEpisodicContent === true, // Must be explicitly true, not undefined
        queryFn: async () => {
          const res = await contentService.getSeriesByContentId(contentId);
          if (res.success && res.data) return res.data as any;
          return null;
        },
        staleTime: 5 * 60 * 1000});

      const { data: seasons = [] } = useQuery({
        queryKey: ['series-seasons', seriesInfo?.id ?? 0],
        enabled: !!(seriesInfo?.id),
        queryFn: async () => {
          const res = await contentService.getSeriesSeasons(seriesInfo!.id as number);
          if (res.success && res.data) return res.data as any[];
          return [];
        },
        staleTime: 5 * 60 * 1000});

      const [episodesBySeason, setEpisodesBySeason] = useState<Record<number, any[]>>({});

      useEffect(() => {
        let active = true;
        async function loadEpisodes() {
          if (!seasons?.length) return;
          const entries = await Promise.all(
            seasons.map(async (s: any) => {
              const r = await contentService.getSeasonEpisodes(s.id as number);
              const eps = r.success && r.data ? (r.data as any[]) : [];
              return [s.id as number, eps] as const;
            })
          );
          if (!active) return;
          const map: Record<number, any[]> = {};
          for (const [sid, eps] of entries) map[sid] = eps;
          setEpisodesBySeason(map);
        }
        loadEpisodes();
        return () => {
          active = false;
        };
      }, [seasons]);

      // Find which season contains the active episode (for highlighting and tab selection)
      const activeSeasonId = useMemo(() => {
        const targetEpisodeId = currentEpisodeId || episodeIdFromUrl;
        if (!targetEpisodeId) return seasons?.[0]?.id;

        for (const [seasonId, episodes] of Object.entries(episodesBySeason)) {
          if ((episodes as any[]).some((ep: any) => ep.id === targetEpisodeId)) {
            return Number(seasonId);
          }
        }
        return seasons?.[0]?.id;
      }, [currentEpisodeId, episodeIdFromUrl, episodesBySeason, seasons]);

      // Auto-play episode from URL parameter (for continue watching)
      const [autoPlayTriggered, setAutoPlayTriggered] = useState(false);
      useEffect(() => {
        let autoPlayTimer: NodeJS.Timeout | null = null;
        if (episodeIdFromUrl && !autoPlayTriggered && content && Object.keys(episodesBySeason).length > 0) {
          setAutoPlayTriggered(true);
          // Small delay to ensure everything is ready
          autoPlayTimer = setTimeout(() => {
            startPlaybackModalEpisode(episodeIdFromUrl);
          }, 100);
        }
        return () => {
          if (autoPlayTimer) clearTimeout(autoPlayTimer);
        };
      }, [episodeIdFromUrl, autoPlayTriggered, content, episodesBySeason]);

      async function startPlaybackModalEpisode(episodeId: number): Promise<void> {
        setError(null);
        setCurrentEpisodeId(episodeId); // Track current episode for progress saving
        let url: string | null = null;
        let episodeSubtitles: SubtitleTrackResponse[] = [];

        try {
          const res = await contentService.getEpisodeStreamUrl(episodeId);
          if (res.success && res.data?.stream_url) {
            // Convert absolute API URLs to relative paths for same-origin requests
            // This ensures authentication cookies are sent properly
            url = toProxiedUrl(res.data.stream_url, {
              origin: res.data.origin ?? null,
              user_agent: res.data.user_agent ?? null,
              referer: res.data.referer ?? null,
              custom_headers: res.data.custom_headers ?? null});

            // Load episode subtitles if available
            if (res.data?.subtitles && Array.isArray(res.data.subtitles)) {
              episodeSubtitles = res.data.subtitles;
            } else {
              // Try to fetch subtitles separately if not included in stream response
              try {
                const subsRes = await contentService.getEpisodeSubtitles(episodeId);
                if (subsRes.success && subsRes.data && Array.isArray(subsRes.data)) {
                  episodeSubtitles = subsRes.data;
                }
              } catch (subsError) {
              }
            }

            // Update subtitles state
            setSubtitles(episodeSubtitles);

            // Update streamUrl so progress saving effect runs
            setStreamUrl(url);

            // Preload all subtitles for instant switching
            if (episodeSubtitles.length > 0) {
              subtitleCache.preloadSubtitles(episodeSubtitles).catch(err => {
              });
            }
          } else {
            setError(t('watch.streamError'));
            return;
          }
        } catch (e) {
          setError(String(e));
          return;
        }

        // Open modal, prepare player and play
        setPlayerOpen(true);
        await new Promise((r) => setTimeout(r, 50));
        await ensurePlaybackReady(url);
        const v = videoRef.current;
        if (v) {
          try {
            await v.play();
            setIsPlaying(true);
          } catch {
            // autoplay may be blocked
          }
        }
      }

      // Related / recommended items
      type RelatedItem = { id: number; title: string; image?: string; backdrop?: string; year?: number };
      const [related, setRelated] = useState<RelatedItem[]>([]);
      const [loadingRelated, setLoadingRelated] = useState(false);
      useEffect(() => {
        let active = true;
        const loadRelated = async () => {
          if (!content) return;
          setLoadingRelated(true);
          try {
            let items: RelatedItem[] = [];
            if ((content as any).category_id) {
              const res = await contentService.getContentByCategory((content as any).category_id as number, 1, 12);
              if (res.success && res.data) {
                items = (res.data.content as any[]).map((it: any, idx: number) => ({
                  id: it.id,
                  title: it.title,
                  image: it.image_url,
                  backdrop: it.backdrop_url,
                  year: it.year})).filter((it) => it.id !== (content as any).id);
              }
            }
            if (!items.length) {
              const q = String((content as any).title || '').split(' ').slice(0, 2).join(' ');
              if (q) {
                const sr = await contentService.searchContent({ q, limit: 12 });
                if (sr.success && sr.data) {
                  items = (sr.data.content as any[]).map((it: any) => ({
                    id: it.id,
                    title: it.title,
                    image: it.image_url ?? it.poster_url,
                    backdrop: it.backdrop_url ?? it.image_url,
                    year: it.year})).filter((it) => it.id !== (content as any).id);
                }
              }
            }
            if (active) setRelated(items);
          } catch {
            // ignore related errors
          } finally {
            if (active) setLoadingRelated(false);
          }
        };
        loadRelated();
        return () => { active = false; };
      }, [content]);

      // Loading skeleton with cinematic hero
      if (loadingContent) {
        return (
          <UserRoute>
            <div className="relative min-h-screen bg-slate-950 text-white">
              <div className="absolute inset-0 h-[80vh]">
                <div className="h-full w-full bg-slate-800/40 animate-pulse" />
                <div className="absolute inset-0 bg-gradient-to-b from-slate-950/60 via-slate-950/85 to-slate-950" />
              </div>

              <div className="relative z-10 mx-auto w-full max-w-7xl px-6 pt-10 pb-16">
                <div className="grid grid-cols-1 gap-8 md:grid-cols-[minmax(260px,340px)_1fr]">
                  <div className="rounded-xl overflow-hidden shadow-2xl border border-slate-800/60 bg-slate-900/50 aspect-[2/3] animate-pulse" />
                  <div className="space-y-5">
                    <div className="h-10 w-2/3 bg-slate-800/70 rounded animate-pulse" />
                    <div className="mt-3 flex flex-wrap items-center gap-2">
                      <div className="h-6 w-16 bg-slate-800/70 rounded-full animate-pulse" />
                      <div className="h-6 w-20 bg-slate-800/70 rounded-full animate-pulse" />
                      <div className="h-6 w-24 bg-slate-800/70 rounded-full animate-pulse" />
                    </div>
                    <div className="space-y-2">
                      <div className="h-4 w-full bg-slate-800/70 rounded animate-pulse" />
                      <div className="h-4 w-11/12 bg-slate-800/70 rounded animate-pulse" />
                      <div className="h-4 w-4/5 bg-slate-800/70 rounded animate-pulse" />
                    </div>
                    <div className="flex flex-wrap gap-3">
                      <div className="h-10 w-36 bg-slate-800/70 rounded-md animate-pulse" />
                      <div className="h-10 w-44 bg-slate-800/70 rounded-md animate-pulse" />
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </UserRoute>
        );
      }

      // Error state unchanged
      if (error) {
        return (
          <UserRoute>
            <div className="min-h-screen bg-slate-950 text-white">
              <div className="mx-auto max-w-4xl p-6">
                <h1 className="text-2xl font-semibold">{t('watch.title')}</h1>
                <div className="mt-4 text-red-400">{error}</div>
                <div className="mt-6">
                  <Button onClick={() => router.back()}>{t('watch.goBack')}</Button>
                </div>
              </div>
            </div>
          </UserRoute>
        );
      }

      const backdrop = content?.backdrop_url ?? content?.poster_url ?? null;

      return (
        <UserRoute>
          <div className="min-h-screen bg-slate-950 text-white scrollbar-thin">
            {/* Fixed sidebar - hidden on mobile, visible on md+ */}
            <ModernUserSidebar />

            {/* Main content - needs left margin on desktop to account for fixed sidebar */}
            <main className="relative overflow-x-hidden pb-24 md:ml-72">
              {/* Backdrop hero inside main */}
              <div className="relative">
                <div className="absolute inset-0 h-[50vh]">
                  {backdrop ? (
                    <img
                      src={backdrop}
                      alt={content?.title ?? 'Backdrop'}
                      className="h-full w-full object-cover"
                    />
                  ) : (
                    <div className="h-full w-full bg-gradient-to-br from-slate-800 to-slate-900" />
                  )}
                  <div className="absolute inset-0 bg-gradient-to-b from-slate-950/60 via-slate-950/85 to-slate-950 backdrop-blur-sm" />
                </div>

                {/* Foreground content */}
                <div className="relative z-10 w-full px-4 md:px-6 pt-10 pb-16">
                  <div className="mb-6">
                    <Link href={ROUTES.USER.BASE}>
                      <Button variant="outline" className="rounded-full border-slate-700 bg-slate-900/50 text-slate-200 hover:bg-slate-800/70">
                        <ArrowLeft className="h-4 w-4 mr-2" />
                        {t('watch.backToDashboard')}
                      </Button>
                    </Link>
                  </div>

                  <div className="grid grid-cols-1 gap-8 md:grid-cols-[minmax(260px,340px)_1fr] items-start">
                    {/* Poster */}
                    <div className="rounded-xl overflow-hidden shadow-2xl border border-slate-800/60 bg-slate-900/50">
                      {content?.poster_url ? (
                        <img
                          src={content.poster_url}
                          alt={content.title}
                          className="w-full aspect-[2/3] object-cover"
                        />
                      ) : (
                        <div className="aspect-[2/3] w-full bg-slate-800/50" />
                      )}
                    </div>

                    {/* Info */}
                    <div className="space-y-6">
                      <div>
                        <h1 className="text-3xl md:text-4xl font-bold tracking-tight drop-shadow-md">
                          {content?.title ?? t('watch.title')}
                        </h1>
                        <div className="mt-4 flex flex-wrap items-center gap-2 text-sm">
                          {content?.year ? (
                            <Badge variant="outline" className="border-slate-700 bg-slate-900/60 text-slate-200">
                              {content.year}
                            </Badge>
                          ) : null}
                          {content?.runtime ? (
                            <Badge variant="outline" className="border-slate-700 bg-slate-900/60 text-slate-200">
                              {content.runtime} min
                            </Badge>
                          ) : null}
                          {(content?.category?.name || content?.category || content?.content_type) ? (
                            <Badge variant="outline" className="border-slate-700 bg-slate-900/60 text-slate-200 capitalize">
                              {content?.category?.name ?? content?.category ?? content?.content_type}
                            </Badge>
                          ) : null}
                        </div>
                      </div>

                      {content?.description ? (
                        <section className="space-y-2">
                          <h2 className="text-sm font-semibold text-slate-300">{t('watch.synopsis')}</h2>
                          <p className="text-sm leading-relaxed text-slate-200/90" style={{ textAlign: 'justify' }}>
                            {content.description}
                          </p>
                        </section>
                      ) : null}

                      {/* Action buttons: Favorites + Play Now */}
                      {(() => {
                        const tLower = String(content?.content_type || '').toLowerCase();
                        const catRaw = String(
                          content?.category?.category_type ??
                          content?.category?.name ??
                          content?.category ??
                          ''
                        ).toLowerCase();

                        const isMovieLike = tLower === 'movie' || tLower === 'movies' || tLower === 'vod' || catRaw === 'vod';
                        const isKids = catRaw === 'kids' || tLower === 'kids';
                        const hideForSeries = tLower === 'series' || tLower === 'show' || tLower === 'shows' || catRaw === 'series';
                        const hideForAnime = catRaw === 'anime';

                        const shouldShowPlay = (isMovieLike || isKids) && !(hideForSeries || hideForAnime);

                        // Determine content type for favorites
                        const favoriteContentType = (hideForSeries || hideForAnime) ? 'series' : 'movie';

                        return (
                          <div className="flex flex-wrap items-center gap-4 pt-3">
                            {/* Favorites Button */}
                            <FavoriteButton
                              contentType={favoriteContentType as 'movie' | 'series'}
                              contentId={String(contentId)}
                              showLabel={true}
                              variant="default"
                              className="h-14 px-8 text-lg rounded-xl border-2 border-slate-600 bg-slate-900/70 hover:bg-slate-800/80 hover:border-slate-500"
                              iconClassName="h-6 w-6"
                            />

                            {/* Play Now Button (Movies/Kids only) */}
                            {shouldShowPlay && (
                              <Button
                                onClick={startPlaybackModal}
                                size="lg"
                                className="h-14 px-8 text-lg rounded-xl border-2 border-slate-500 bg-slate-800/80 text-slate-100 hover:bg-slate-700/90 hover:border-slate-400 transition-all"
                              >
                                <Play className="mr-3 h-6 w-6" />
                                {t('watch.playNow')}
                              </Button>
                            )}
                          </div>
                        );
                      })()}

                      {/* Seasons & Episodes (for episodic content) */}
                      {seasons?.length ? (
                        <section className="space-y-4">
                          <h2 className="text-xl font-semibold">{t('watch.seasons')}</h2>
                          <Tabs defaultValue={String(activeSeasonId ?? seasons[0]?.id)} key={`season-tabs-${activeSeasonId}`} className="w-full">
                            <TabsList className="mb-2 flex w-full items-center gap-2 overflow-x-auto rounded-xl border border-slate-800 bg-slate-900/60 p-1">
                              {seasons.map((s: any, idx: number) => (
                                <TabsTrigger
                                  key={`season-tab-${s.id}-${idx}`}
                                  value={String(s.id)}
                                  className="rounded-lg px-3 py-1.5 text-xs data-[state=active]:bg-blue-600/30 data-[state=active]:text-white text-slate-300 hover:bg-slate-900/70"
                                >
                                  {String(t('watch.seasonShort', { n: s.season_number ?? idx + 1 }))}
                                </TabsTrigger>
                              ))}
                            </TabsList>

                            {seasons.map((s: any, idx: number) => {
                              const eps = episodesBySeason[s.id] || [];
                              return (
                                <TabsContent key={`season-panel-${s.id}-${idx}`} value={String(s.id)} className="mt-2">
                                  {eps.length ? (
                                    <div className="grid gap-2 sm:grid-cols-2">
                                      {eps.map((e: any, eidx: number) => {
                                        const epThumb = (e as any)?.image_url || (e as any)?.poster_url || (e as any)?.backdrop_url || '';
                                        const isActiveEpisode = e.id === currentEpisodeId || e.id === episodeIdFromUrl;
                                        return (
                                          <button
                                            key={`ep-${e.id}-${eidx}`}
                                            onClick={() => startPlaybackModalEpisode(e.id as number)}
                                            className={cn(
                                              "relative flex items-center gap-3 rounded-lg border px-3 py-2 text-left text-sm transition-all",
                                              isActiveEpisode
                                                ? "border-blue-500 bg-blue-500/20 text-white ring-1 ring-blue-500/50"
                                                : "border-slate-800 bg-slate-900/50 text-slate-200 hover:bg-slate-900/70"
                                            )}
                                          >
                                            {isActiveEpisode && (
                                              <span className="absolute -left-1 top-1/2 -translate-y-1/2 h-8 w-1 rounded-full bg-blue-500" />
                                            )}
                                            <span className={cn(
                                              "h-12 w-20 flex-shrink-0 overflow-hidden rounded-md bg-slate-800/40",
                                              isActiveEpisode ? "ring-2 ring-blue-500" : "ring-1 ring-slate-800"
                                            )}>
                                              {epThumb ? (
                                                <img
                                                  src={epThumb}
                                                  alt={e.title || `E${e.episode_number ?? eidx + 1}`}
                                                  className="h-full w-full object-cover"
                                                />
                                              ) : (
                                                <span className="block h-full w-full bg-slate-800/60" />
                                              )}
                                            </span>
                                            <span className="min-w-0 flex-1 truncate">
                                              <span className={cn("font-semibold", isActiveEpisode && "text-blue-300")}>
                                                {String(t('watch.episodeLabel', { n: e.episode_number ?? eidx + 1 }))}
                                              </span>
                                              {e.title ? <span className={cn("ml-2", isActiveEpisode ? "text-blue-200" : "text-slate-300")}>{e.title}</span> : null}
                                            </span>
                                            <span className={cn("text-xs", isActiveEpisode ? "text-blue-300" : "text-slate-400")}>
                                              {(e as any)?.runtime ? `${(e as any).runtime}m` : ''}
                                            </span>
                                            {isActiveEpisode && (
                                              <Play className="h-4 w-4 text-blue-400 flex-shrink-0" />
                                            )}
                                          </button>
                                        );
                                      })}
                                    </div>
                                  ) : (
                                    <p className="text-xs text-slate-400">{t('watch.noEpisodes')}</p>
                                  )}
                                </TabsContent>
                              );
                            })}
                          </Tabs>
                        </section>
                      ) : null}

                      {/* General play removed for series detail to encourage episode selection */}

                      {content?.drm_keys ? (
                        <div className="text-xs text-yellow-400/90">
                          {t('watch.drmNotice')}
                        </div>
                      ) : null}
                    </div>
                  </div>
                </div>
              </div>

              {/* Related / Recommended */}
              <div className="w-full px-4 md:px-6 pb-16">
                <section className="space-y-4">
                  <h2 className="text-xl font-semibold">{t('watch.related')}</h2>
                  {loadingRelated ? (
                    <div className="flex gap-4 overflow-x-auto pb-2 scrollbar-thin">
                      {Array.from({ length: 6 }).map((_, i) => (
                        <div key={`rel-skel-${i}`} className="h-40 w-64 flex-shrink-0 rounded-2xl bg-slate-800/60 animate-pulse" />
                      ))}
                    </div>
                  ) : related.length > 0 ? (
                    <div className="flex gap-4 overflow-x-auto pb-2 scrollbar-thin">
                      {related.map((it, index) => {
                        const backgroundImage = toBackgroundImage(it.backdrop || it.image, fallbackCardBackgrounds[index % fallbackCardBackgrounds.length]);
                        return (
                          <Link
                            key={`rel-${it.id}`}
                            href={`/user/content/${it.id}/watch`}
                            className="group relative w-[240px] flex-shrink-0"
                          >
                            <div
                              className="h-40 rounded-2xl bg-cover bg-center transition-transform duration-300 group-hover:-translate-y-1"
                              style={{ backgroundImage }}
                            >
                              <div className="flex h-full w-full flex-col justify-end rounded-2xl bg-gradient-to-t from-slate-950/85 via-slate-950/20 to-transparent p-4">
                                <p className="mt-1 text-sm font-semibold text-white line-clamp-2">{it.title}</p>
                                {it.year ? <span className="text-xs text-slate-300">{it.year}</span> : null}
                              </div>
                            </div>
                          </Link>
                        );
                      })}
                    </div>
                  ) : (
                    <p className="text-sm text-slate-400">{t('watch.noRelated')}</p>
                  )}
                </section>
              </div>

              {/* Mobile bottom nav - flat */}
              <div className="fixed inset-x-0 bottom-0 z-30 flex items-center justify-around border-t border-white/10 bg-white/[0.03] backdrop-blur px-6 py-3 text-xs md:hidden">
                {menuItems.map((item: any) => {
                  const Icon = item.icon;

                  // Same normalized active logic as desktop
                  let isActive = false;
                  const baseActive = pathname === item.basePath || pathname.startsWith(`${item.basePath}/`);

                  if (item.basePath === ROUTES.CONTENT.BROWSE) {
                    let itemTab = '';
                    let itemCategory = '';
                    try {
                      const u = new URL(item.href, 'https://local');
                      itemTab = (u.searchParams.get('tab') || '').toLowerCase();
                      itemCategory = (u.searchParams.get('category') || '').toLowerCase();
                    } catch { }

                    if (itemTab) {
                      isActive = (inferredActiveQuery.tab || '') === itemTab;
                    } else if (itemCategory) {
                      isActive = (inferredActiveQuery.category || '') === itemCategory;
                    } else {
                      isActive = false;
                    }
                  } else {
                    isActive = baseActive;
                  }

                  return (
                    <Link key={item.href} href={item.href} className="flex flex-col items-center gap-1">
                      <Icon className={cn('h-5 w-5', isActive ? 'text-white' : 'text-white/70')} />
                      <span className={cn('text-[11px]', isActive ? 'text-white' : 'text-white/60')}>{t(`user.menu.${item.key}`)}</span>
                    </Link>
                  );
                })}
              </div>
            </main>

            {/* Modal overlay player (90vw wide, height auto with max 90vh) */}
            <Dialog
              open={playerOpen}
              onOpenChange={(open) => {
                setPlayerOpen(open);
                if (!open) {
                  try { videoRef.current?.pause(); } catch { }
                  setIsPlaying(false);
                  try { hlsRef.current?.destroy(); } catch { }
                  hlsRef.current = null;
                  if (shakaRef.current) {
                    try { shakaRef.current.destroy(); } catch { }
                    shakaRef.current = null;
                  }
                }
              }}
            >
              <DialogContent className="p-0 bg-black border-slate-800 max-w-[90vw] w-[90vw] sm:max-w-[90vw]">
                <DialogTitle className="sr-only">
                  {content?.title ?? t('watch.title')}
                </DialogTitle>
                <div
                  ref={playerRootRef}
                  className="relative w-full"
                  style={{ width: '90vw' }}
                >
                  <ModernVideoPlayer
                    ref={videoRef}
                    src={!playerInitialized ? (streamUrl ? streamUrl : '') : ''}
                    poster={content?.poster_url ?? content?.image_url ?? ''}
                    subtitles={subtitles.map(s => ({
                      ...s,
                      url: toProxiedSubtitleUrl(s.url)
                    }))}
                    onSubtitleChange={(index: number) => {
                      setSelectedSubtitleIndex(index);
                      if (index === -1) {
                        disableAllSubtitles();
                      } else {
                        applySubtitleSelection(index);
                      }
                    }}
                    onPlaybackRateChange={(rate) => {
                      setPlaybackRate(rate);
                      setSpeed(rate);
                    }}
                    className="w-full aspect-video"
                  />
                </div>
              </DialogContent>
            </Dialog>
          </div>
        </UserRoute >
      );
    }