// ==UserScript==
// @name         加强糯米！
// @namespace    https://www.nuomill.com
// @version      1.4
// @description  糯米洛洛网站增强
// @author       Sunse666
// @match        https://www.nuomill.com/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function () {
  'use strict';

  // Workaround: /user/* pages crash on full page load — APIs return 200 but
  // reactive data rendering triggers a Nuxt error page. Client-side navigation
  // (e.g. clicking avatar from a video page) works fine, so redirect to home
  // and navigate back via Vue Router.
  (function () {
    var match = location.pathname.match(/^\/user\/(\d+)/);
    if (match) {
      try { sessionStorage.setItem('nml_user_redirect', match[1]); } catch (e) {}
      location.replace('/');
      return;
    }
    if (location.pathname === '/' || location.pathname === '') {
      var userId;
      try { userId = sessionStorage.getItem('nml_user_redirect'); } catch (e) {}
      if (userId) {
        try { sessionStorage.removeItem('nml_user_redirect'); } catch (e) {}
        var tries = 0;
        (function tryNav() {
          var router;
          try {
            var app = document.getElementById('__nuxt').__vue_app__;
            router = app.config.globalProperties.$router;
          } catch (e) {}
          if (router) {
            router.push('/user/' + userId);
          } else if (tries++ < 50) {
            setTimeout(tryNav, 200);
          }
        })();
      }
    }
  })();

  const SPEEDS = [0.25, 0.5, 1.0, 1.25, 1.5, 2.0];
  const DBLCLICK_THRESHOLD = 320;
  const VOLUME_KEY = 'nml_saved_volume';
  const SPEED_KEY = 'nml_saved_speed';

  let savedSpeed = parseFloat(localStorage.getItem(SPEED_KEY));
  if (isNaN(savedSpeed) || !SPEEDS.includes(savedSpeed)) savedSpeed = 1.0;
  let currentSpeed = savedSpeed;
  let savedVolume = parseFloat(localStorage.getItem(VOLUME_KEY));
  if (isNaN(savedVolume) || savedVolume < 0 || savedVolume > 1) savedVolume = null;
  let videoEl = null;
  let speedBtn = null;
  let speedMenu = null;
  let toastEl = null;
  let mounted = false;

  // Double-click fullscreen
  // Intercept clicks in capture phase to avoid pause/resume flicker.
  // Single click: manually toggle play/pause after a short delay.
  // Double click: toggle fullscreen, keep play state unchanged.
  let clickTimer = null;
  let lastClickTime = 0;

  function setupDoubleClick(video) {
    if (!video || video.dataset.nmlDblclick) return;
    video.dataset.nmlDblclick = '1';

    video.addEventListener('click', e => {
      const now = Date.now();
      const elapsed = now - lastClickTime;
      lastClickTime = now;

      // Block ALL clicks from reaching the player — we'll handle them ourselves
      e.stopPropagation();
      e.stopImmediatePropagation();

      if (elapsed < DBLCLICK_THRESHOLD && elapsed > 0) {
        // Second click within threshold → double-click
        clearTimeout(clickTimer);
        lastClickTime = 0;
        toggleFullscreen();
        return;
      }

      // First click — wait to see if a second click follows
      clearTimeout(clickTimer);
      clickTimer = setTimeout(() => {
        // No second click → it was a single click → toggle play/pause
        lastClickTime = 0;
        const v = findVideo();
        if (v) {
          v.paused ? v.play() : v.pause();
        }
      }, DBLCLICK_THRESHOLD);
    }, true); // capture phase — fires BEFORE the player's own click handler
  }

  function toggleFullscreen() {
    // Use the same element the player's fullscreen button uses: .player-wrapper
    const wrapper = document.querySelector('.player-wrapper');
    if (!wrapper) return;

    if (document.fullscreenElement || document.webkitFullscreenElement) {
      (document.exitFullscreen || document.webkitExitFullscreen).call(document);
    } else {
      (wrapper.requestFullscreen || wrapper.webkitRequestFullscreen).call(wrapper);
    }

    showToast(currentSpeed); // brief feedback that fullscreen toggled
  }

  // Volume memory
  function saveVolume(vol) {
    savedVolume = vol;
    try { localStorage.setItem(VOLUME_KEY, String(vol)); } catch (e) {}
  }

  function applySavedVolume(video) {
    if (savedVolume == null) return;
    video.volume = savedVolume;
    video.muted = savedVolume === 0;
    // Also sync the slider
    const slider = document.querySelector('.custom-video-player .volume-slider');
    if (slider) {
      slider.value = savedVolume;
      slider.dispatchEvent(new Event('input', { bubbles: true }));
    }
  }

  // Video tracking
  function findVideo() {
    const player = document.querySelector('.custom-video-player');
    if (!player) return null;
    const v = player.querySelector('video');
    if (v && v !== videoEl) {
      videoEl = v;
      v.playbackRate = currentSpeed;
      applySavedVolume(v);
      setupDoubleClick(v);
      watchVideo(v);
    }
    return v;
  }

  function watchVideo(video) {
    // Apply saved volume at the earliest opportunity (loadstart fires before loadedmetadata)
    video.addEventListener('loadstart', () => {
      applySavedVolume(video);
      setTimeout(() => {
        applySavedVolume(video);
        if (video.playbackRate !== currentSpeed) {
          video.playbackRate = currentSpeed;
        }
      }, 60);
    });

    video.addEventListener('loadedmetadata', () => {
      applySavedVolume(video);
      if (video.playbackRate !== currentSpeed) {
        video.playbackRate = currentSpeed;
      }
    });

    // Save volume whenever user changes it via the player UI
    video.addEventListener('volumechange', () => {
      if (!video.muted && video.volume > 0) {
        saveVolume(video.volume);
      }
    });
  }

  // Observe DOM for video element
  const videoObserver = new MutationObserver(() => {
    findVideo();
  });

  function startVideoObserver() {
    const player = document.querySelector('.custom-video-player');
    if (player) {
      videoObserver.observe(player, { childList: true, subtree: true });
    }
    findVideo();
  }

  // Speed control
  function applySpeed(speed) {
    currentSpeed = speed;
    const v = findVideo() || document.querySelector('video');
    if (v) {
      v.playbackRate = speed;
      requestAnimationFrame(() => {
        if (v.playbackRate !== speed) v.playbackRate = speed;
      });
    }
    syncDanmaku(speed);
    updateUI();
    showToast(speed);
    savedSpeed = speed;
    try { localStorage.setItem(SPEED_KEY, String(speed)); } catch (e) {}
  }

  function syncDanmaku(speed) {
    try {
      const app = document.getElementById('__nuxt');
      if (!app?.__vue_app__) return;
      walkVue(app.__vue_app__._instance?.vnode, comp => {
        if (comp.props && 'speed' in comp.props) {
          comp.props.speed = 100 * speed;
        }
      });
    } catch (e) {}
  }

  function walkVue(vnode, fn) {
    if (!vnode) return;
    if (vnode.component) {
      fn(vnode.component);
      if (vnode.component.subTree) walkVue(vnode.component.subTree, fn);
    }
    if (Array.isArray(vnode.children)) vnode.children.forEach(c => walkVue(c, fn));
    if (vnode.dynamicChildren) vnode.dynamicChildren.forEach(c => walkVue(c, fn));
  }

  // Toast
  let toastTimer = null;
  function showToast(speed) {
    if (!toastEl) {
      toastEl = document.createElement('div');
      toastEl.style.cssText =
        'position:absolute;top:12px;left:50%;transform:translateX(-50%);' +
        'z-index:10000;background:rgba(0,0,0,0.85);color:#fff;' +
        'font-size:15px;font-weight:600;padding:6px 16px;border-radius:6px;' +
        'pointer-events:none;opacity:0;transition:opacity 0.2s;' +
        'font-family:-apple-system,BlinkMacSystemFont,sans-serif;' +
        'white-space:nowrap;letter-spacing:0.5px;';
    }
    if (!toastEl.parentNode) {
      const vc = document.querySelector('.custom-video-player');
      if (vc) vc.appendChild(toastEl);
    }
    if (!toastEl.parentNode) return;
    toastEl.textContent = speed === 1.0 ? '1×' : speed + '×';
    toastEl.style.opacity = '1';
    clearTimeout(toastTimer);
    toastTimer = setTimeout(() => { toastEl.style.opacity = '0'; }, 700);
  }

  // Update UI
  function updateUI() {
    if (speedBtn) {
      speedBtn.textContent = currentSpeed === 1.0 ? '倍速' : currentSpeed + '×';
    }
    if (speedMenu) {
      const resOpt = document.querySelector('.resolution-option');
      const defaultColor = resOpt ? getComputedStyle(resOpt).color : '#ccc';
      speedMenu.querySelectorAll('.nml-speed-opt').forEach(opt => {
        const s = parseFloat(opt.textContent);
        opt.style.color = s === currentSpeed ? '#ff6fae' : defaultColor;
        opt.style.fontWeight = s === currentSpeed ? '600' : '';
      });
    }
  }

  // Build UI
  function createSpeedSelector() {
    const controlBtn = document.querySelector('.custom-video-player .control-btn');
    if (!controlBtn) return null;

    const wrapper = document.createElement('div');
    wrapper.className = 'nml-speed-wrapper';
    wrapper.setAttribute('data-v-65d53e0f', '');
    wrapper.style.cssText = 'position:relative;display:inline-flex;align-items:center;';

    speedBtn = controlBtn.cloneNode(true);
    while (speedBtn.firstChild) speedBtn.removeChild(speedBtn.firstChild);
    speedBtn.textContent = '倍速';
    speedBtn.removeAttribute('title');
    speedBtn.removeAttribute('aria-label');

    speedBtn.addEventListener('mousedown', handleSpeedBtnMouseDown);
    speedBtn.addEventListener('click', e => {
      e.stopPropagation();
      e.preventDefault();
    });

    wrapper.appendChild(speedBtn);

    // Menu
    speedMenu = document.createElement('div');
    speedMenu.setAttribute('data-v-65d53e0f', '');
    speedMenu.style.cssText =
      'display:none;position:absolute;bottom:100%;right:0;margin-bottom:6px;' +
      'background:rgba(28,28,28,0.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);' +
      'border:1px solid rgba(255,255,255,0.12);border-radius:8px;' +
      'padding:4px;min-width:82px;z-index:10001;' +
      'box-shadow:0 4px 24px rgba(0,0,0,0.5);';

    const resMenu = document.querySelector('.resolution-menu');
    const resOpt = resMenu?.querySelector('.resolution-option');

    SPEEDS.forEach(s => {
      const opt = document.createElement('div');
      opt.className = 'nml-speed-opt';
      opt.setAttribute('data-v-65d53e0f', '');

      if (resOpt) {
        const cs = getComputedStyle(resOpt);
        opt.style.cssText = cs.cssText;
      } else {
        opt.style.cssText =
          'padding:8px 14px;border-radius:6px;font-size:13px;' +
          'text-align:center;cursor:pointer;white-space:nowrap;' +
          'transition:background 0.15s,color 0.15s;color:#ccc;';
      }

      if (s === currentSpeed) {
        opt.style.color = '#ff6fae';
        opt.style.fontWeight = '600';
      }

      opt.textContent = s + '×';

      opt.addEventListener('mousedown', e => {
        e.stopPropagation();
        e.preventDefault();
        applySpeed(s);
        speedMenu.style.display = 'none';
      });
      opt.addEventListener('click', e => {
        e.stopPropagation();
        e.preventDefault();
      });
      opt.addEventListener('mouseenter', function () {
        this.style.background = 'rgba(255,255,255,0.1)';
        this.style.color = '#fff';
      });
      opt.addEventListener('mouseleave', function () {
        this.style.background = '';
        const defColor = resOpt ? getComputedStyle(resOpt).color : '#ccc';
        this.style.color = parseFloat(this.textContent) === currentSpeed
          ? '#ff6fae' : defColor;
      });

      speedMenu.appendChild(opt);
    });

    wrapper.appendChild(speedMenu);

    // Combined outside-click-to-close for both menus
    document.addEventListener('mousedown', closeMenusOnOutside, true);
    document.addEventListener('touchstart', closeMenusOnOutside, true);

    return wrapper;
  }

  function closeMenusOnOutside(e) {
    // Close speed menu
    if (speedMenu && speedMenu.style.display !== 'none') {
      const sw = speedMenu.parentNode;
      if (sw && !sw.contains(e.target)) {
        speedMenu.style.display = 'none';
      }
    }
    // Close resolution menu — click its button to toggle Vue's M.value
    const resMenu = document.querySelector('.resolution-menu');
    if (resMenu) {
      const resBtn = document.querySelector('.resolution-selector .control-btn');
      if (resBtn && !resBtn.contains(e.target) && !resMenu.contains(e.target)) {
        resBtn.click();
      }
    }
  }

  function handleSpeedBtnMouseDown(e) {
    e.stopPropagation();
    e.preventDefault();
    if (!speedMenu) return;

    // Close resolution menu before opening speed menu
    const resBtn = document.querySelector('.resolution-selector .control-btn');
    const resMenu = document.querySelector('.resolution-menu');
    if (resMenu && resBtn) {
      resBtn.click();
    }

    const isHidden = speedMenu.style.display === 'none';
    speedMenu.style.display = isHidden ? '' : 'none';
  }

  // Mount
  function mountUI() {
    if (mounted) return true;

    // Defensive: remove any stale duplicates before creating a new one
    var stale = document.querySelectorAll('.nml-speed-wrapper');
    for (var si = 0; si < stale.length; si++) stale[si].remove();
    speedBtn = null;
    speedMenu = null;

    const resSelector = document.querySelector('.resolution-selector');
    const danmakuToggle = document.querySelector('.danmaku-toggle-btn');
    const volControl = document.querySelector('.volume-control');

    let insertAfter = resSelector;
    if (!insertAfter) insertAfter = danmakuToggle;
    if (!insertAfter && volControl) {
      insertAfter = volControl.previousElementSibling;
    }

    if (!insertAfter || !insertAfter.parentNode) return false;

    const speedSelector = createSpeedSelector();
    if (!speedSelector) return false;

    insertAfter.parentNode.insertBefore(speedSelector, insertAfter.nextSibling);
    updateUI();
    startVideoObserver();
    mounted = true;
    return true;
  }

  // Keyboard shortcuts
  document.addEventListener('keydown', e => {
    const tag = document.activeElement?.tagName;
    if (tag === 'INPUT' || tag === 'TEXTAREA' || tag === 'SELECT') return;

    // Only intercept keys when video is present on the page
    if (!findVideo() && !document.querySelector('.custom-video-player video')) return;

    // Vim-style scrolling: j k h l
    if (e.key === 'j') { window.scrollBy({ top: 120, behavior: 'smooth' }); return; }
    if (e.key === 'k') { window.scrollBy({ top: -120, behavior: 'smooth' }); return; }
    if (e.key === 'h') { window.scrollBy({ left: -120, behavior: 'smooth' }); return; }
    if (e.key === 'l') { window.scrollBy({ left: 120, behavior: 'smooth' }); return; }

    // Speed: > <
    if (e.key === '>' || (e.key === '.' && e.shiftKey)) {
      e.preventDefault();
      const idx = SPEEDS.indexOf(currentSpeed);
      if (idx < SPEEDS.length - 1) applySpeed(SPEEDS[idx + 1]);
      return;
    }
    if (e.key === '<' || (e.key === ',' && e.shiftKey)) {
      e.preventDefault();
      const idx = SPEEDS.indexOf(currentSpeed);
      if (idx > 0) applySpeed(SPEEDS[idx - 1]);
      return;
    }

    // Seek: ← → (10s)
    if (e.key === 'ArrowLeft') {
      e.preventDefault();
      seekRelative(-10);
      return;
    }
    if (e.key === 'ArrowRight') {
      e.preventDefault();
      seekRelative(10);
      return;
    }

    // Volume: ↑ ↓
    if (e.key === 'ArrowUp') {
      e.preventDefault();
      adjustVolume(0.05);
      return;
    }
    if (e.key === 'ArrowDown') {
      e.preventDefault();
      adjustVolume(-0.05);
      return;
    }

    // Play/Pause: Space
    if (e.key === ' ' || e.code === 'Space') {
      e.preventDefault();
      const v = findVideo() || document.querySelector('video');
      if (v) { v.paused ? v.play() : v.pause(); }
      return;
    }

    // Fullscreen: F
    if (e.key === 'f' || e.key === 'F') {
      e.preventDefault();
      toggleFullscreen();
      return;
    }
  });

  function seekRelative(delta) {
    const v = findVideo() || document.querySelector('video');
    if (!v) return;
    const newTime = Math.max(0, Math.min(v.currentTime + delta, v.duration || Infinity));
    v.currentTime = newTime;
  }

  function adjustVolume(delta) {
    const v = findVideo() || document.querySelector('video');
    if (!v) return;
    const newVol = Math.max(0, Math.min(1, Math.round((v.volume + delta) * 100) / 100));
    v.volume = newVol;
    v.muted = newVol === 0;

    // Sync the volume slider so the player's Vue state stays consistent
    const slider = document.querySelector('.custom-video-player .volume-slider');
    if (slider) {
      slider.value = v.muted ? 0 : newVol;
      slider.dispatchEvent(new Event('input', { bubbles: true }));
    }

    saveVolume(newVol);
    showToastVolume(newVol);
  }

  function showToastVolume(vol) {
    if (!toastEl) {
      toastEl = document.createElement('div');
      toastEl.style.cssText =
        'position:absolute;top:12px;left:50%;transform:translateX(-50%);' +
        'z-index:10000;background:rgba(0,0,0,0.85);color:#fff;' +
        'font-size:15px;font-weight:600;padding:6px 16px;border-radius:6px;' +
        'pointer-events:none;opacity:0;transition:opacity 0.2s;' +
        'font-family:-apple-system,BlinkMacSystemFont,sans-serif;' +
        'white-space:nowrap;letter-spacing:0.5px;';
    }
    if (!toastEl.parentNode) {
      const vc = document.querySelector('.custom-video-player');
      if (vc) vc.appendChild(toastEl);
    }
    if (!toastEl.parentNode) return;
    var pct = Math.round(vol * 100);
    toastEl.textContent = 'Vol ' + pct;
    toastEl.style.opacity = '1';
    clearTimeout(toastTimer);
    toastTimer = setTimeout(function () { toastEl.style.opacity = '0'; }, 700);
  }

  // Channel panel: hover logo to show category nav
  const CATEGORIES = [
    { name: '动漫', slug: 'anime' },
    { name: '游戏', slug: 'game' },
    { name: '音乐', slug: 'music' },
    { name: '舞蹈', slug: 'dance' },
    { name: '科技', slug: 'tech' },
    { name: '吐槽', slug: 'commentary' },
    { name: '漫画', slug: 'manga' },
    { name: '鬼畜', slug: 'kichiku' },
    { name: 'mmd', slug: 'mmd' },
    { name: '日常', slug: 'daily' },
    { name: 'AI-娱乐', slug: 'ai-entertainment' },
    { name: '音mad', slug: 'otomad' }
  ];

  let channelPanel = null;
  let channelTimer = null;

  function buildChannelPanel() {
    if (channelPanel) return;
    channelPanel = document.createElement('div');
    channelPanel.className = 'nml-channel-panel';
    channelPanel.setAttribute('data-v-e737bc8a', '');
    channelPanel.innerHTML =
      '<div class="channel-icons">' +
        '<div class="channel-icons__item nml-chan-link" data-slug="dynamic">' +
          '<div class="icon-bg icon-bg__dynamic">' +
            '<svg viewBox="0 0 24 24" width="20" height="20" fill="currentColor"><path d="M16 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V8l-5-5zm3 16H5V5h10v4h4v10zM7 17h10v-2H7v2zm5-10H7v2h5V7zm-5 6h10v-2H7v2z"></path></svg>' +
          '</div><span class="icon-title">动态</span>' +
        '</div>' +
        '<div class="channel-icons__item nml-chan-link" data-slug="popular">' +
          '<div class="icon-bg icon-bg__popular">' +
            '<svg viewBox="0 0 24 24" width="20" height="20" fill="currentColor"><path d="M11.57 13.16c-1.36.28-2.17 1.16-2.17 2.41 0 1.34 1.11 2.42 2.49 2.42 2.05 0 3.71-1.66 3.71-3.71 0-1.07-.15-2.12-.46-3.12-.79 1.07-2.2 1.72-3.57 2zM13.5.67s.74 2.65.74 4.8c0 2.06-1.35 3.73-3.41 3.73-2.07 0-3.63-1.67-3.63-3.73l.03-.36C5.21 7.51 4 10.62 4 14c0 4.42 3.58 8 8 8s8-3.58 8-8C20 8.61 17.41 3.8 13.5.67z"></path></svg>' +
          '</div><span class="icon-title">热门</span>' +
        '</div>' +
      '</div>' +
      '<div class="right-channel-container"><div class="channel-items__left">' +
        CATEGORIES.map(function (c) {
          return '<div class="channel-link nml-chan-link" data-slug="' + c.slug + '"><span>' + c.name + '</span></div>';
        }).join('') +
      '</div></div>';

    // Click: store target channel in sessionStorage, then navigate to homepage
    channelPanel.addEventListener('click', function (e) {
      var link = e.target.closest('.nml-chan-link');
      if (!link) return;
      var slug = link.getAttribute('data-slug');
      if (slug) {
        try { sessionStorage.setItem('nml_pending_channel', slug); } catch (e) {}
      }
      window.location.href = '/';
    });
  }

  function setupChannelPanel() {
    // Don't create if native header-channel already exists (e.g. on homepage)
    if (document.querySelector('.header-channel')) return;
    var logo = document.querySelector('.entry-title');
    if (!logo) return;

    buildChannelPanel();

    // Insert panel right after the logo
    logo.style.position = 'relative';
    if (!channelPanel.parentNode) {
      logo.appendChild(channelPanel);
    }

    logo.addEventListener('mouseenter', function () {
      clearTimeout(channelTimer);
      channelPanel.classList.add('show');
    });
    logo.addEventListener('mouseleave', function () {
      channelTimer = setTimeout(function () {
        channelPanel.classList.remove('show');
      }, 200);
    });
    channelPanel.addEventListener('mouseenter', function () {
      clearTimeout(channelTimer);
    });
    channelPanel.addEventListener('mouseleave', function () {
      channelPanel.classList.remove('show');
    });
  }

  // Channel panel styles
  (function injectChannelStyles() {
    var s = document.createElement('style');
    s.textContent =
      '.nml-channel-panel{' +
        'display:none;position:absolute;top:100%;left:0;margin-top:4px;' +
        'background:var(--bg1,#fff);border:1px solid var(--line_regular,#e5e5e5);' +
        'border-radius:10px;padding:12px 16px;z-index:1003;' +
        'box-shadow:0 8px 32px rgba(0,0,0,0.12);white-space:nowrap;' +
        'min-width:360px;' +
      '}' +
      '.nml-channel-panel.show{display:flex;gap:24px;}' +
      '.nml-channel-panel .channel-icons{display:flex;gap:16px;flex-shrink:0;}' +
      '.nml-channel-panel .channel-icons__item{display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;}' +
      '.nml-channel-panel .icon-bg{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;transition:transform 0.2s;}' +
      '.nml-channel-panel .icon-bg__dynamic{background:#ff6fae;color:#fff;}' +
      '.nml-channel-panel .icon-bg__popular{background:#ff9500;color:#fff;}' +
      '.nml-channel-panel .icon-title{font-size:12px;color:var(--text2,#666);}' +
      '.nml-channel-panel .channel-icons__item:hover .icon-bg{transform:scale(1.08);}' +
      '.nml-channel-panel .right-channel-container{display:flex;}' +
      '.nml-channel-panel .channel-items__left{display:grid;grid-template-columns:repeat(3,1fr);gap:4px 8px;}' +
      '.nml-channel-panel .channel-link{font-size:13px;color:var(--text2,#666);cursor:pointer;padding:4px 8px;border-radius:6px;transition:all 0.15s;}' +
      '.nml-channel-panel .channel-link:hover{background:var(--graph_bg_thin,rgba(0,0,0,0.04));color:var(--brand_pink,#ff6fae);}';
    document.head.appendChild(s);
  })();

  // Homepage: auto-select pending channel
  function trySelectChannel() {
    var slug = null;
    try { slug = sessionStorage.getItem('nml_pending_channel'); } catch (e) {}
    if (!slug) return;

    // Map slug to display name
    var nameMap = {};
    CATEGORIES.forEach(function (c) { nameMap[c.slug] = c.name; });
    if (slug === 'dynamic') nameMap.dynamic = '动态';
    if (slug === 'popular') nameMap.popular = '热门';
    var targetName = nameMap[slug];
    if (!targetName) { clearPending(); return; }

    // Try to find a clickable channel element by text content
    var candidates = document.querySelectorAll(
      '[class*="channel"] a, [class*="channel"] button, [class*="channel"] span,' +
      '[class*="category"] a, [class*="category"] button, [class*="category"] span,' +
      '.channel-link, .category-item, .tab-btn,' +
      '[class*="ChannelBar"] a, [class*="ChannelBar"] button'
    );

    for (var i = 0; i < candidates.length; i++) {
      var el = candidates[i];
      if ((el.textContent || '').trim() === targetName) {
        el.click();
        clearPending();
        return;
      }
    }

    // Loose match
    for (var j = 0; j < candidates.length; j++) {
      var el2 = candidates[j];
      if ((el2.textContent || '').indexOf(targetName) !== -1) {
        el2.click();
        clearPending();
        return;
      }
    }
  }

  function clearPending() {
    try { sessionStorage.removeItem('nml_pending_channel'); } catch (e) {}
  }

  // Kaomoji panel

  const KAOMOJI = [
    { c: '开心', list: [
      '╰(*°▽°*)╯', '(＾▽＾)', '(◕‿◕)', '✧(≖ ◡ ≖✿)', '(｡•̀ᴗ-✿)', '(◠‿◠)',
      '(๑˃̵ᴗ˂̵)و', '(≧∇≦)', '(◍•ᴗ•◍)', '(｡･ω･｡)', '(ﾉ◕ヮ◕)ﾉ',
      '(●\'◡\'●)', '(◕ᴗ◕✿)', '♪(^∇^*)', '☆*:.｡.o(≧▽≦)o.｡.:*☆',
      'ヽ(>∀<☆)ノ', '♪(๑ᴖ◡ᴖ๑)♪', '(▰˘◡˘▰)', '╭(●｀∀´●)╯',
      'ヾ(＠^∇^＠)ノ', 'o(*≧▽≦)ツ', '(ᗒᗨᗕ)', '٩(◕‿◕｡)۶',
      '(★ω★)', '╰(▔∀▔)╯', '(✪ω✪)', 'o(≧∇≦o)',
      '(๑•̀ㅂ•́)و✧', '٩(ˊᗜˋ*)و', 'ヽ(✿ﾟ▽ﾟ)ノ',
      '( ^ω^)', '(￣︶￣)', '( ´∀`)', '(oﾟωﾟo)', '⌒(｡･.･｡)⌒','♪(╯^-^)╯♪'
    ]},
    { c: '大笑', list: [
      '（σﾟдﾟ）σ', 'ヾ(＠>▽<＠)ノ', '♪ヽ(^^ヽ)♪', '(･∀･)',
      '（●´∀｀）●', 'Ψ(￣∀￣)Ψ', 'ヽ(´▽｀)/', '(๑´ㅂ`๑)',
      '哈哈哈哈', '恍恍惚惚', '红红火火恍恍惚惚',
      '啊哈哈哈哈(((o(*ﾟ▽ﾟ*)o)))', '笑死(≧∀≦)',
      '(σﾟ∀ﾟ)σ', '(((o(*ﾟ▽ﾟ*)o)))', 'ヽ(〃∀〃)ﾉ',
      '(ﾉ≧∀≦)ﾉ', '٩( ᐛ )و', '└(^o^)┘',
      '(๑>ᴗ<๑)', '(◡‿◡✿)', '∩(︶▽︶)∩',
      '( ﾟ∀ﾟ)', '(●｀∀´●)', '╭(●｀∀´●)╯', '( ゜∀゜)'
    ]},
    { c: '喜欢', list: [
      '(｡♥‿♥｡)', '(❤ω❤)', '(´▽`ʃ♡ƪ)', '♡(◡‿◡✿)',
      '(⁄ ⁄>⁄ ▽ ⁄<⁄ ⁄)', '(｡・//ε//・｡)', '(♡°▽°♡)', '(✿◠‿◠)',
      '♥（ﾉ´∀`）', '(´ ε ` )♡', '(｡･ω･｡)ﾉ♡',
      '（*＾3＾）/～☆', '(◕‿◕✿)', '(っ˘з(˘⌣˘ )', '（*＾3＾）',
      'ヽ(愛´∀｀愛)ノ', '(。・ω・。)ノ♡', 'チュ～(´ε｀*)',
      '(๑ơ ₃ ơ)♥', '(●♡∀♡)', '(. ❛ ᴗ ❛.)', '(⁄ ⁄•⁄ω⁄•⁄ ⁄)'
    ]},
    { c: '难过', list: [
      '(╥_╥)', '(╯︵╰,)', '(｡•́︿•̀｡)', '(╥﹏╥)', 'ಥ_ಥ',
      '(个_个)', '(╯_╰)', '(｡ŏ﹏ŏ)', '(╥ω╥)', '(´;︵;`)',
      '｡ﾟ(ﾟ´Д｀ﾟ)ﾟ｡', '(´°̥̥̥̥̥̥̥̥ω°̥̥̥̥̥̥̥̥｀)',
      '(;´༎ຶД༎ຶ`)', '(´；ω；｀)', '(༎ຶ ෴ ༎ຶ)',
      '｡･ﾟﾟ･(>д<)･ﾟﾟ･｡', '(;_;)', '(ﾉД`)',
      '(ノ_<。)','。・゜・(ノД`)・゜・。', '（ｉДｉ）',
      '( ＞﹏＜ )', 'ヽ(*。>Д<)o゜'
    ]},
    { c: '生气', list: [
      '(╬ Ò﹏Ó)', '(＃｀д´)ﾉ', '(╯°□°)╯︵ ┻━┻', '(≖_≖ )',
      '(¬_¬)', '(｀皿´＃)', '(⋋▂⋌)', 'ヽ(｀⌒´)ノ',
      '(╬ﾟ◥益◤ﾟ)', '(◣_◢)', '（｀Δ´）！',
      '(#｀皿´)', '(╬￣皿￣)', '凸(｀0´)凸',
      '━━━╋══◥◣＿◢◤', '╋══◥◣_◢◤', '（≧ｍ≦）',
      'ヽ(●-`Д´-)ノ', 's(・｀ヘ´・;)ゞ', '(；￣Д￣）',
      '(＃°Д°)', 'ヽ(･ω･´ﾒ)', '(。・`ω´・)'
    ]},
    { c: '惊讶', list: [
      '(⊙_⊙)', '(º ロ º)', '(°ロ°)', '(⊙﹏⊙)', '(〇o〇;)',
      '( Д ) ﾟ ﾟ', '∑(O_O;)', '(;° ロ°)', '(⊙.☉)',
      '∑(ﾟДﾟ)', '(((;꒪ꈊ꒪;)))', '(ﾟﾛﾟ)',
      'щ(ﾟДﾟщ)', '（｡ӧ◡ӧ｡）', '!!!∑(ﾟДﾟノ)ノ',
      '‼(•\'╻\'• )', '〣( ºΔº )〣', 'щ(゜ロ゜щ)',
      'Σ(°△°|||)', '!!!w(ﾟДﾟ)w', '!!!(ʘ言ʘ╬)',
      '(ﾟДﾟ≡ﾟдﾟ)', 'щ(ﾟДﾟщ)'
    ]},
    { c: '害羞', list: [
      '(〃ω〃)', '(｡･//ω//･｡)', '(〃∀〃)', '(｡-人-｡)',
      '(๑•́ ₃ •̀๑)', '(*/ω＼*)', '(〃⌒ー⌒〃)',
      '(❁´◡`❁)', '(｡•́︿•̀｡)', '(￣▽￣*)ゞ',
      '(>/////<)', '（*/∇＼*）', '(*ﾉωﾉ)',
      '(〃▽〃)','(´,,•ω•,,)♡', '(⁄ ⁄>⁄ ▽ ⁄<⁄ ⁄)',
      '(◞‸◟)', '(:3[▓▓]', '(*ノ▽ノ)', '(´_っ`)'
    ]},
    { c: '眨眼', list: [
      '(◕‿↼)', '(｡•̀ᴗ-)✧', '◔ ⌣ ◔', '(・ω<)',
      '(｡•ᴗ•｡)♡', '(￣ε￣")', '(｡･ω･｡)ﾉ♡',
      '(＾◡＾)っ', '(๑¯◡¯๑)', '(✿◠‿◠)',
      '(≖‿≖)✧', '(･ω<)☆', '(●´ω｀●)',
      '(･｀ω´･)', '（＾_-）','(. ❛ ᴗ ❛.)',
      '☆～（ゝ。∂）', '(＝∀＝*)', '（ΦωΦ）', '(ΦωΦ)'
    ]},
    { c: '困惑', list: [
      '(￣ω￣;)', '(＠_＠)', '(・_・;)', '(¯ . ¯;)',
      '（；¬＿¬)', '(´･ω･`)?', '┐(￣ヘ￣")┌', '╮(￣▽￣")╭',
      '(￣～￣;)', '(´-ω-`)', '(。-ω-)zzz',
      '(￣▽￣*)ゞ', '（￣□￣；）', '(´-﹏-`；)',
      '(；一_一)', '(´ﾟωﾟ｀)', 'щ(ºДºщ)',
      '(O_o)', '（ ・◇・）？','(￣.￣)',
      '(´・ω・｀)'
    ]},
    { c: '无语', list: [
      '(￣▽￣")', '(;´Д`)', '(´-ι_-｀)', '(￣ω￣)',
      '(=_=;)', '(´･_･`)', '( ˘･з･)', '(￣.￣)',
      '┐(´-｀)┌', '╮(￣▽￣)╭', '(￣ェ￣;)',
      '(눈_눈)', '≖_≖', 'ー(￣～￣)ξ',
      '(￣^￣)', 'ヘ（´ｏ｀）ヘ', '（´_ゝ`）',
      '(￣へ￣)', '(›´ω`‹ )', '( ￣ ￣ )', '(。_。)'
    ]},
    { c: '傲娇', list: [
      '哼！(￣^￣)ゞ', '(￣ε￣")', '(,-`д´-)', '(　｀ー´)',
      '(-`ω´-)', '(￣へ ￣  )', '╭(╯^╰)╮',
      '(。-`ω´-)', '(｀・ω・´)', '（￣～￣）',
      '(≧へ≦)╯', '(-`ェ´-╬)', '(｀へ´*)ノ',
      '( ･`⌓´･)', '(〃｀ 3´〃)', '(｀ε´)',
      '(,,Ծ‸Ծ,,)', 'ヽ(｀⌒´)ノ', '(◣_◢)',
      '(｀・ω・´)', '(`・ω・´)', '(。-`ω´-)'
    ]},
    { c: '舞蹈', list: [
      '┗(＾0＾)┓', '♪(┌・。・)┌', '♪ヽ(^^ヽ)♪', 'ƪ(˘⌣˘)ʃ',
      'ヾ(⌐■_■)ノ♪', '♬♩♫♪☻(●´∀｀●）☺♪♫♩♬',
      '┏(＾0＾)┛', 'ヘ(^_^ヘ)', 'ヾ(´〇｀)ﾉ',
      '♪♪♪ ヽ(ˇ∀ˇ )ゞ', '♫꒰･‿･๑꒱', '♪(ｏ･ω･)ノ',
      '（〜^∇^)〜', '♪ヽ( ⌒o⌒)人(⌒-⌒ )v ♪',
      'ヘ(￣ω￣ヘ)', 'ƪ(‾ε‾")ʃ', '┏(＾0＾)┛┗(＾0＾)┓',
      'ヘ(^_^ヘ) ヘ(^o^ヘ)', '♪ ヾ(⌒ε⌒*)ゞ', 'ヾ(´･ω･｀)ﾉ'
    ]},
    { c: '摊手', list: [
      '¯\\_(ツ)_/¯', '┐(´д｀)┌', '╮(╯_╰)╭', '(;-_-)︵',
      '(ツ)', 'ヽ(。_°)ノ', '┐(￣ヮ￣)┌', '(´-ι_-｀)',
      '～(￣▽￣～)', '┐(´～｀)┌', '╮(￣～￣)╭',
      '┐(￣ー￣)┌', '（￣ο￣）', '(。-ω-)',
      '┐(´∀｀)┌', '～(´ー｀～)', '╮(╯∀╰)╭',
      '┐(シ)┌', '( ´_ゝ`)', '┐(￣∀￣)┌'
    ]},
    { c: '动物', list: [
      '(=\\^･ω･\\^=)', '(◕ᴥ◕)', '(=\'◉ω◉\'=)', 'V●ᴥ●V',
      '(=^ ◡ ^=)', '(=\\^._.\\^=)∫', '(￣(00)￣)', '(°(oo)°)',
      'くコ:彡', '／(=；ｘ；=)＼', '(＝▼ω▼＝)', '(=ФωФ=)',
      '(^=˃ᆺ˂)', '(=\'×\'=)', 'U•ᴥ•U', '(ᵔᴥᵔ)',
      'ฅ(^ω^ฅ)', '／(・×・)＼', '／(˃ᆺ˂)＼', '(=｀ェ´=)'
    ]},
    { c: '颜艺', list: [
      '( ͡° ͜ʖ ͡°)', '( ͡~ ͜ʖ ͡~)', '( ͠° ͟ʖ ͡°)',
      'ヽ(͡◕ ͜ʖ ͡◕)ﾉ', '( ͡°╭ͮ ͟ʖ╮ ͡° )',
      '(☞ﾟヮﾟ)☞', '☜(ﾟヮﾟ☜)', '(⌐■_■)',
      '(•̀ᴗ•́)و ̑̑', '(◕ᴥ◕ʋ)', '( ͡ಠ ʖ̯ ͡ಠ)',
      '凸(¬‿¬)凸', 't(-_-t)', '(╭ರ_⊙)',
      '(♯｀∧´)', '(ز ͡° ͜ʖ ͡°)ز', '┌∩┐(◣_◢)┌∩┐',
      '( ͡° ͜ʖ ͡°)=ε/̵͇̿̿/\'̿̿ ̿ ̿̿', '(ง\'̀-\'́)ง', 'щ(ﾟДﾟщ)', '( ﾟ∀。)'
    ]},
    { c: '经典', list: [
      '(づ｡◕‿‿◕｡)づ', '(づ￣ ³￣)づ', '(◡ ω ◡)',
      '(ﾉ´ヮ`)ﾉ*: ･ﾟ', '(>^ω^<)', '*:･ﾟ✧(ꈍᴗꈍ)✧･ﾟ:*',
      '☆*。★ﾟ*♪ヾ(☆ゝз・)ノ', '✧*:･ﾟヾ(●´∀｀●)',
      '°˖✧◝(⁰▿⁰)◜✧˖°', '(✿⊙‿⊙)',
      '(ﾉ◕ヮ◕)ﾉ*:･ﾟ✧', '(ﾉ>ω<)ﾉ :｡･:*:･ﾟ\'',
      '★,｡･:*:･ﾟ☆　ヽ(〃･ω･)ﾉ', ':･ﾟ✧ﾟ･: *ヽ(◕ヮ◕ヽ)',
      '～(^з^)-☆', '(>ω^<)ﾉ彡☆',
      '☆⌒(≧▽° )', '（*´▽｀*）ノシ',
      '*･゜ﾟ･*:.｡..｡.:*･\'(*ﾟ▽ﾟ*)\'･*:.｡. .｡.:*･゜ﾟ･*'
    ]},
    { c: '卖萌', list: [
      '(◕‿◕✿)', '✿(。◕‿◕。)✿', '(◕ω◕✿)', '(◕ᴗ◕✿)',
      '(◡ ω ◡)', '（★＾ー＾★）', '✿♥‿♥✿',
      '（｡･ω･｡）', '（＾ω＾）', '（≧ω≦）',
      '٩(ˊᗜˋ*)و', 'ヾ(＠⌒ー⌒＠)ノ', '(っ´▽｀)っ',
      '＼(^ω^＼)', '∪･ω･∪', '(๑•̀ㅂ•́)و✧',
      '(ᗒᗨᗕ)', '(●´艸｀)', '(´｡• ᵕ •｡`)',
      '( ˘•ω•˘ )', '（｡･ω･｡）'
    ]},
    { c: '躺平', list: [
      '_(:3 」∠)_', '_(:3⌒ﾞ)_', '_(´ཀ`」 ∠)_',
      '(:3[▓▓]', '(:3[」_]', '(:3_ヽ)_',
      '＿ﾉ乙(､ﾝ､)_', '(๑•́ ₃ •̀๑)ｴｰ', '(:3[▓▓▓]',
      '(。-ω-)zzz', '(￣ρ￣)..zzZZ', '（◎−◎；）',
      '（´。｀)',
      '（ˇ▽ˇ）ＺZｚ', '∪･ω･∪zzZ', '(´〜｀*) zzz',
      'ZZzz(｡-_-｡)ZZzz', '（。-ω-）'
    ]},
    { c: '战斗', list: [
      '(╯°□°)╯︵ ┻━┻', '┬─┬ノ( º _ ºノ)', '(ノಠ益ಠ)ノ',
      '(ง •̀_•́)ง', '(╯°益°)╯彡┻━┻',
      '┬─┬ ノ( ゜-゜ノ)', '(ʘ言ʘ╬)',
      '(ノ｀Д´)ノ彡┻━┻', '┬──┬ ノ(ò_óノ)',
      '(ノ°Д°）ノ︵ ┻━┻', '┻━┻ ︵ヽ(´Д｀ヽ)',
      '(╯ಠ_ಠ）╯︵ ┻━┻', '(ﾉ｀□´)ﾉ⌒┻━┻',
      '（╯°□°）╯︵(\\.o.)\\', '┬─┬⃰͡ (ᵔᵕᵔ͜ )',
      '┻━┻︵ \\(°□°)/ ︵ ┻━┻', '(ノ-_-)ノ~┻━┻',
      'ヽ(ﾟДﾟ)ﾉ', '┗(｀Дﾟ┗(｀ﾟДﾟ)┓ﾟД´)┛'
    ]}
  ];

  let kaoPanel = null;
  let kaoActiveInput = null;
  let kaoHideTimer = null;
  let kaoActiveCat = 0;

  function buildKaoPanel() {
    if (kaoPanel) return;
    kaoPanel = document.createElement('div');
    kaoPanel.className = 'nml-kao-panel';
    kaoPanel.addEventListener('mousedown', function (e) { e.preventDefault(); });

    // Category tabs
    var tabs = document.createElement('div');
    tabs.className = 'nml-kao-tabs';
    KAOMOJI.forEach(function (cat, i) {
      var tab = document.createElement('span');
      tab.className = 'nml-kao-tab' + (i === 0 ? ' active' : '');
      tab.textContent = cat.c;
      tab.addEventListener('mousedown', function (e) {
        e.stopPropagation();
        e.preventDefault();
        switchKaoCat(i);
      });
      tabs.appendChild(tab);
    });
    kaoPanel.appendChild(tabs);

    // Kaomoji grid
    var grid = document.createElement('div');
    grid.className = 'nml-kao-grid';
    renderKaoGrid(grid, 0);
    kaoPanel.appendChild(grid);

    document.body.appendChild(kaoPanel);

    // Styles
    var s = document.createElement('style');
    s.textContent =
      '.nml-kao-panel{' +
        'display:none;position:fixed;z-index:10010;' +
        'background:var(--bg1,#1a1a1a);border:2px solid var(--brand_pink,#ff6fae);' +
        'border-radius:10px;padding:10px;min-width:400px;max-width:680px;' +
        'box-shadow:0 8px 32px rgba(0,0,0,0.5),0 0 0 1px rgba(255,111,174,0.3) inset;' +
      '}' +
      '.nml-kao-panel.show{display:block;}' +
      '.nml-kao-tabs{' +
        'display:flex;flex-wrap:wrap;gap:3px;margin-bottom:10px;' +
        'border-bottom:2px dashed var(--brand_pink,rgba(255,111,174,0.4));padding-bottom:8px;' +
      '}' +
      '.nml-kao-tab{' +
        'font-size:12px;padding:4px 10px;border-radius:12px;cursor:pointer;' +
        'color:var(--text2,#999);transition:all 0.15s;user-select:none;' +
        'border:1px solid transparent;' +
      '}' +
      '.nml-kao-tab:hover{background:var(--graph_bg_thin,rgba(255,255,255,0.06));color:var(--text1,#ddd);border-color:var(--brand_pink,rgba(255,111,174,0.3));}' +
      '.nml-kao-tab.active{background:var(--brand_pink,#ff6fae);color:#fff;border-color:var(--brand_pink,#ff6fae);}' +
      '.nml-kao-grid{' +
        'display:flex;flex-wrap:wrap;gap:4px;max-height:280px;overflow-y:auto;' +
        'scrollbar-width:thin;scrollbar-color:var(--brand_pink,#ff6fae) transparent;' +
      '}' +
      '.nml-kao-grid::-webkit-scrollbar{width:4px;}' +
      '.nml-kao-grid::-webkit-scrollbar-thumb{background:var(--brand_pink,#ff6fae);border-radius:4px;}' +
      '.nml-kao-item{' +
        'font-size:14px;padding:5px 10px;border-radius:6px;cursor:pointer;' +
        'color:var(--text1,#ddd);transition:all 0.12s;user-select:none;' +
        'white-space:nowrap;line-height:1.7;border:1px solid transparent;' +
      '}' +
      '.nml-kao-item:hover{background:var(--brand_pink,#ff6fae);color:#fff;border-color:rgba(255,255,255,0.2);}';
    document.head.appendChild(s);
  }

  function renderKaoGrid(grid, catIdx) {
    grid.innerHTML = '';
    var list = KAOMOJI[catIdx].list;
    list.forEach(function (kao) {
      var item = document.createElement('span');
      item.className = 'nml-kao-item';
      item.textContent = kao;
      item.addEventListener('mousedown', function (e) {
        e.stopPropagation();
        e.preventDefault();
        insertKaomoji(kao);
      });
      grid.appendChild(item);
    });
  }

  function switchKaoCat(idx) {
    kaoActiveCat = idx;
    var tabs = kaoPanel.querySelectorAll('.nml-kao-tab');
    tabs.forEach(function (t, i) { t.classList.toggle('active', i === idx); });
    var grid = kaoPanel.querySelector('.nml-kao-grid');
    renderKaoGrid(grid, idx);
  }

  function insertKaomoji(text) {
    var el = kaoActiveInput;
    if (!el) return;
    el.focus();
    if (el.tagName === 'TEXTAREA' || el.tagName === 'INPUT') {
      var s = el.selectionStart;
      var e = el.selectionEnd;
      el.value = el.value.substring(0, s) + text + el.value.substring(e);
      el.selectionStart = el.selectionEnd = s + text.length;
    } else if (el.isContentEditable) {
      var sel = window.getSelection();
      if (sel.rangeCount) {
        var r = sel.getRangeAt(0);
        r.deleteContents();
        var tn = document.createTextNode(text);
        r.insertNode(tn);
        r.setStartAfter(tn);
        r.collapse(true);
        sel.removeAllRanges();
        sel.addRange(r);
      }
    }
    // Dispatch input event so Vue/Element Plus picks up the change
    el.dispatchEvent(new Event('input', { bubbles: true }));
  }

  function positionKaoPanel(input) {
    var rect = input.getBoundingClientRect();
    var top = rect.bottom + 6;
    var left = rect.left;
    // Keep panel within viewport (panel is up to 680px wide)
    if (left + 420 > window.innerWidth) left = window.innerWidth - 430;
    if (left < 4) left = 4;
    if (top + 320 > window.innerHeight) top = rect.top - 330;
    if (top < 4) top = 4;
    kaoPanel.style.top = top + 'px';
    kaoPanel.style.left = left + 'px';
    kaoPanel.classList.add('show');
  }

  function hideKaoPanel() {
    if (kaoPanel) kaoPanel.classList.remove('show');
    kaoActiveInput = null;
  }

  function onCommentFocus(e) {
    buildKaoPanel();
    kaoActiveInput = e.target;
    positionKaoPanel(e.target);
  }

  function onCommentBlur() {
    clearTimeout(kaoHideTimer);
    var active = document.activeElement;
    kaoHideTimer = setTimeout(function () {
      if (kaoPanel && !kaoPanel.contains(active)) {
        hideKaoPanel();
      }
    }, 150);
  }

  // Check if an element is a comment/chat/post input we should show kaomoji for
  function isCommentLike(el) {
    if (el.tagName !== 'TEXTAREA' && !el.isContentEditable) return false;
    // Skip search bars, login forms, etc.
    if (el.closest('[class*=search], [class*=login], [class*=sign], input[type=search]')) return false;
    // Match: comment-input, comment-editor, reply-*, chat-*, post-comment, message-input, editor-*
    if (el.closest('.comment-input, .comment-editor, [class*=comment], [class*=reply], [class*=chat-input], [class*=message-input], [class*=post-comment], [class*=editor], [class*=rich-text]')) return true;
    // Also match any textarea with a comment-like placeholder
    if (el.tagName === 'TEXTAREA') {
      var ph = (el.placeholder || '').toLowerCase();
      if (/评论|回复|留言|说点什么|发(表|布|送)|聊|输入|看法|弹幕|吐槽|写(下|点)|参与|讨论/.test(ph)) return true;
    }
    return false;
  }

  // Use click delegation (capture phase) — most reliable trigger
  document.addEventListener('click', function (e) {
    var el = e.target;
    if (isCommentLike(el)) {
      onCommentFocus({ target: el });
    }
  }, true);

  // Also hook focus for keyboard-only users (Tab navigation)
  document.addEventListener('focusin', function (e) {
    var el = e.target;
    if (isCommentLike(el)) {
      onCommentFocus({ target: el });
    }
  });

  // Blur — hide after short delay
  document.addEventListener('focusout', function (e) {
    if (isCommentLike(e.target)) {
      onCommentBlur();
    }
  });

  // Danmaku modes (zero-width char encoding in content)

  let danmakuMode = 0; // 0=scroll, 1=top, 2=bottom, 3=reverse, 4=advanced
  // Advanced params: start/end position + rotation + easing
  let advSX = 0, advSY = 50, advMX = 50, advMY = 50, advEX = 100, advEY = 50;
  let advSR = 0, advMR = 0, advER = 0;
  let advEasing1 = 0, advEasing2 = 0;
  let advTimeSM = 25, advTimeME = 25;

  var ZW = ['​','‌','‍','‎','‏','','⁠','⁡','⁢','⁣','⁤']; // 11 zero-width chars
  var EASINGS = ['linear','ease','ease-in','ease-out','ease-in-out',
    'cubic-bezier(.68,-.55,.27,1.55)','cubic-bezier(.36,0,.66,-.56)',
    'cubic-bezier(.34,1.56,.64,1)','steps(3,end)','cubic-bezier(.45,0,.55,1)',
    'cubic-bezier(.22,.61,.36,1)'];
  var EASING_NAMES = ['直线','缓动','渐入','渐出','渐入出','回弹','弹力','弹入','阶梯','平滑','标准'];

  function zwVal(ch) { var i = ZW.indexOf(ch); return i >= 0 ? i : 0; }
  function zwChar(v) { return ZW[v] || ZW[0]; }
  function b11(a,b) { return a*11 + b; } // base-11 decode helper

  function encodeContent(text, mode) {
    if (mode === 0 || !text) return text;
    if (mode >= 1 && mode <= 3) return ZW[mode - 1] + text;
    if (mode === 4) {
      // U+2064 prefix + 26 base-11 digits:
      // SX,SY,MX,MY,EX,EY, SR,MR,ER, Easing1,Easing2, TimeSM,TimeME
      var p = [advSX, advSY, advMX, advMY, advEX, advEY,
               Math.round(advSR / 3), Math.round(advMR / 3), Math.round(advER / 3),
               advEasing1, advEasing2, advTimeSM, advTimeME];
      var s = ZW[10]; // U+2064 prefix (NOT U+FEFF — BOM is stripped by browser)
      p.forEach(function (v) {
        v = Math.round(Math.max(0, Math.min(120, v)));
        s += zwChar(Math.floor(v / 11)) + zwChar(v % 11);
      });
      return s + text;
    }
    return text;
  }

  function decodeContent(el) {
    var text = el.textContent || '';
    if (!text) return { mode: 0 };
    var c0 = text.charCodeAt(0);
    if (c0 === 0x200B) return { mode: 1 };
    if (c0 === 0x200C) return { mode: 2 };
    if (c0 === 0x200D) return { mode: 3 };
    // Advanced: U+2064 prefix (NOT U+FEFF — BOM gets stripped by browser)
    // New extended format: 26 zero-width chars (13 values)
    if (c0 === 0x2064 && text.length >= 27) {
      var ch = text, i = 1;
      var sx = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var sy = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var mx = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var my = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var ex = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var ey = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var sr = b11(zwVal(ch[i]), zwVal(ch[i+1])) * 3; i += 2;
      var mr = b11(zwVal(ch[i]), zwVal(ch[i+1])) * 3; i += 2;
      var er = b11(zwVal(ch[i]), zwVal(ch[i+1])) * 3; i += 2;
      var e1 = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var e2 = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var ts = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var te = b11(zwVal(ch[i]), zwVal(ch[i+1]));
      return { mode: 4, sx: sx, sy: sy, mx: mx, my: my, ex: ex, ey: ey,
               sr: sr, mr: mr, er: er,
               easing1: Math.min(e1, 10), easing2: Math.min(e2, 10),
               timeSM: Math.min(ts, 100), timeME: Math.min(te, 100) };
    }
    // Old 14-char format (backward compatible — fills defaults for new fields)
    if (c0 === 0x2064 && text.length >= 15) {
      var ch = text, i = 1;
      var sx = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var sy = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var ex = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var ey = b11(zwVal(ch[i]), zwVal(ch[i+1])); i += 2;
      var sr = b11(zwVal(ch[i]), zwVal(ch[i+1])) * 3; i += 2;
      var er = b11(zwVal(ch[i]), zwVal(ch[i+1])) * 3; i += 2;
      var ease = b11(zwVal(ch[i]), zwVal(ch[i+1]));
      var avgX = Math.round((sx + ex) / 2);
      var avgY = Math.round((sy + ey) / 2);
      var avgR = Math.round((sr + er) / 2);
      return { mode: 4, sx: sx, sy: sy, mx: avgX, my: avgY, ex: ex, ey: ey,
               sr: sr, mr: avgR, er: er,
               easing1: Math.min(ease, 10), easing2: Math.min(ease, 10),
               timeSM: 25, timeME: 25 };
    }
    // Old 6-char format fallback (U+FEFF prefix — may be stripped)
    if ((c0 === 0xFEFF || c0 === 0x2064) && text.length >= 6) {
      var x = b11(zwVal(text[1]), zwVal(text[2]));
      var y = b11(zwVal(text[3]), zwVal(text[4]));
      var r = zwVal(text[5]) * 33; // old format: single-char rotation, 0-330°
      return { mode: 4, sx: x, sy: y, mx: x, my: y, ex: x, ey: y,
               sr: r, mr: r, er: r,
               easing1: 0, easing2: 0, timeSM: 25, timeME: 25 };
    }
    return { mode: 0 };
  }

  function injectContentMarker() {
    if (danmakuMode === 0) return;
    var input = document.querySelector('.danmaku-input');
    if (!input) return;
    var text = input.value;
    if (!text) return;
    var first = text.charCodeAt(0);
    if (first >= 0x200B && first <= 0x2064 && first !== 0x20 && first !== 0x0A) return;
    var encoded = encodeContent(text, danmakuMode);
    console.log('[nml-dm] SEND mode=' + danmakuMode +
      (danmakuMode === 4 ? ' sx=' + advSX + ' sy=' + advSY + ' mx=' + advMX + ' my=' + advMY +
       ' ex=' + advEX + ' ey=' + advEY + ' t1=' + (advTimeSM/10).toFixed(1) + 's t2=' + (advTimeME/10).toFixed(1) + 's' : '') +
      ' text=' + text.slice(0, 15));
    input.value = encoded;
    input.dispatchEvent(new Event('input', { bubbles: true }));
    setTimeout(function () {
      input.value = text;
      input.dispatchEvent(new Event('input', { bubbles: true }));
    }, 60);
  }

  document.addEventListener('click', function (e) {
    if (e.target.closest('.send-btn')) injectContentMarker();
  }, true);
  document.addEventListener('keydown', function (e) {
    if (e.key === 'Enter' && e.target.classList.contains('danmaku-input')) injectContentMarker();
  }, true);

  // Rendering

  var _advDmId = 0;
  (function () {
    var kf = document.createElement('style');
    kf.id = 'nml-dm-keyframes';
    kf.textContent = '@keyframes nml-reverse-dm{from{left:-50%;}to{left:110%;}}';
    document.head.appendChild(kf);
  })();

  // Lane tracking — prevent top/bottom/reverse danmaku overlap
  var activeDmLanes = { 1: [], 2: [], 3: [] };
  var DM_LANE_TOPS = {
    1: [2,7,12,17,22,27,32,37,42],
    2: [68,73,78,83,88,93],
    3: [8,13,18,23,28,33,38,43,48,53,58,63,68,73,78,83,88]
  };

  function assignDmLane(mode, clone) {
    var lanes = activeDmLanes[mode];
    var tops = DM_LANE_TOPS[mode];
    // Purge clones that have been removed from DOM
    for (var i = lanes.length - 1; i >= 0; i--) {
      if (!lanes[i].parentNode) lanes.splice(i, 1);
    }
    // Find first free top value
    var used = {};
    for (var j = 0; j < lanes.length; j++) used[lanes[j]._nmlLaneTop] = true;
    var freeTop = null;
    for (var k = 0; k < tops.length; k++) {
      if (!used[tops[k]]) { freeTop = tops[k]; break; }
    }
    if (freeTop == null) {
      // All occupied — evict oldest
      var oldest = lanes.shift();
      if (oldest.parentNode) oldest.remove();
      freeTop = oldest._nmlLaneTop;
    }
    clone._nmlLaneTop = freeTop;
    lanes.push(clone);
    return freeTop;
  }

  function applyDanmakuStyle(el, data) {
    var text = el.textContent || '';
    var first = text.charCodeAt(0);
    var stripLen = 0;
    if (first === 0x200B || first === 0x200C || first === 0x200D) stripLen = 1;
    else if (first === 0x2064 || first === 0xFEFF) stripLen = text.length >= 27 ? 27 : (text.length >= 15 ? 15 : (text.length >= 6 ? 6 : 0));
    if (stripLen > 0) { text = text.slice(stripLen); el.textContent = text; }

    var clone = el.cloneNode(true);
    var fs = el.style.fontSize || '24px';
    var col = el.style.color || '#fff';
    var base = 'position:absolute!important;z-index:999!important;' +
      'white-space:nowrap!important;pointer-events:none!important;' +
      'font-size:' + fs + '!important;color:' + col + '!important;' +
      'text-shadow:1px 0 2px #000,-1px 0 2px #000,0 1px 2px #000,0 -1px 2px #000;';
    var player = document.querySelector('.player-wrapper');
    var video = document.querySelector('.custom-video-player video');

    if (data.mode === 1 || data.mode === 2) {
      var laneTop = assignDmLane(data.mode, clone);
      clone.style.cssText = base +
        'left:50%!important;top:' + laneTop + '%!important;' +
        'transform:translateX(-50%)!important;';
    } else if (data.mode === 3) {
      var laneTop3 = assignDmLane(3, clone);
      var ss = document.querySelector('.danmaku-input-wrapper input[type=range]');
      var dur = 720 / (parseFloat(ss?.value) || 120);
      clone.style.cssText = base +
        'top:' + laneTop3 + '%!important;animation:nml-reverse-dm ' + dur + 's linear forwards!important;';
    } else if (data.mode === 4) {
      var t1 = (data.timeSM || 25) / 10;
      var t2 = (data.timeME || 25) / 10;
      var totalMs = (t1 + t2) * 1000;
      var midPct = t1 / (t1 + t2);
      var mx = data.mx != null ? data.mx : (data.sx + data.ex) / 2;
      var my = data.my != null ? data.my : (data.sy + data.ey) / 2;
      var mr = data.mr != null ? data.mr : (data.sr + data.er) / 2;
      var e1 = EASINGS[data.easing1 != null ? data.easing1 : (data.easing || 0)] || 'linear';
      var e2 = EASINGS[data.easing2 != null ? data.easing2 : (data.easing || 0)] || 'linear';
      clone.style.cssText = base;
      try {
        var anim = clone.animate([
          { left: data.sx + '%', top: data.sy + '%', transform: 'translate(-50%,-50%) rotate(' + data.sr + 'deg)', offset: 0 },
          { left: mx + '%', top: my + '%', transform: 'translate(-50%,-50%) rotate(' + mr + 'deg)', offset: midPct, easing: e1 },
          { left: data.ex + '%', top: data.ey + '%', transform: 'translate(-50%,-50%) rotate(' + data.er + 'deg)', offset: 1, easing: e2 }
        ], { duration: totalMs, fill: 'forwards' });
        if (video) {
          var syncFn = function sync() {
            if (!clone.parentNode) return;
            try {
              if (video.paused) { if (anim.playState === 'running') anim.pause(); }
              else if (anim.playState === 'paused') anim.play();
            } catch (e) {}
            requestAnimationFrame(sync);
          };
          requestAnimationFrame(syncFn);
        }
        anim.onfinish = function () {
          clone.style.transition = 'opacity 0.3s';
          clone.style.opacity = '0';
          setTimeout(function () { if (clone.parentNode) clone.remove(); if (el.parentNode) el.remove(); }, 300);
        };
      } catch (e) {
        el.style.display = '';
      }
    }

    if (player) player.appendChild(clone);
    el.style.display = 'none';

    if (data.mode === 1 || data.mode === 2) {
      if (video) {
        var startTime = video.currentTime;
        (function tick() {
          if (!clone.parentNode) return;
          if (video.paused) { startTime = video.currentTime; requestAnimationFrame(tick); return; }
          if (video.currentTime - startTime >= 4) {
            clone.style.transition = 'opacity 0.6s';
            clone.style.opacity = '0';
            setTimeout(function () { if (clone.parentNode) clone.remove(); if (el.parentNode) el.remove(); }, 600);
            return;
          }
          requestAnimationFrame(tick);
        })();
      }
    } else if (data.mode === 3) {
      if (video) {
        (function sync() {
          if (!clone.parentNode) return;
          clone.style.setProperty('animation-play-state', video.paused ? 'paused' : 'running', 'important');
          requestAnimationFrame(sync);
        })();
      }
      clone.addEventListener('animationend', function () {
        clone.style.transition = 'opacity 0.3s';
        clone.style.opacity = '0';
        setTimeout(function () { if (clone.parentNode) clone.remove(); if (el.parentNode) el.remove(); }, 300);
      });
    }
  }

  var danmakuObserveCount = 0;
  var danmakuLayerObserver = new MutationObserver(function (mutations) {
    mutations.forEach(function (m) {
      m.addedNodes.forEach(function (node) {
        if (node.nodeType !== 1 || !node.style) return;
        var data = decodeContent(node);
        danmakuObserveCount++;
        // Extract visible text (strip zero-width prefix)
        var visibleText = node.textContent || '';
        var first = visibleText.charCodeAt(0);
        if (first === 0x200B || first === 0x200C || first === 0x200D) visibleText = visibleText.slice(1);
        else if (first === 0x2064 || first === 0xFEFF) visibleText = visibleText.slice(visibleText.length >= 27 ? 27 : (visibleText.length >= 15 ? 15 : 6));
        console.log('[nml-dm] OBSERVE #' + danmakuObserveCount + ' mode=' + data.mode +
          (data.mode === 4 ? ' sx=' + data.sx + ' sy=' + data.sy + ' mx=' + (data.mx||'?') + ' my=' + (data.my||'?') +
           ' ex=' + data.ex + ' ey=' + data.ey : '') +
          ' text=' + visibleText.slice(0, 25));
        addDanmakuEntry(data, visibleText);
        if (data.mode > 0) applyDanmakuStyle(node, data);
      });
    });
  });

  function hookDanmakuLayer() {
    danmakuLayerObserver.disconnect();
    var layer = null;
    // Strategy 1: find container inside player-wrapper with pointer-events:none and position:absolute
    var candidates = document.querySelectorAll('.player-wrapper > div, .player-wrapper > * > div');
    for (var i = 0; i < candidates.length; i++) {
      try {
        var cs = getComputedStyle(candidates[i]);
        if (cs.pointerEvents === 'none' && (cs.position === 'absolute' || cs.position === 'fixed')) {
          // Check if it contains or could contain danmaku text
          if (candidates[i].childElementCount > 0 || candidates[i].offsetHeight > 100) {
            layer = candidates[i];
            break;
          }
        }
      } catch (e) {}
    }
    // Strategy 2: fallback to [class*=danmaku] (excluding input wrapper)
    if (!layer) {
      var dmEls = document.querySelectorAll('[class*=danmaku]');
      for (var j = 0; j < dmEls.length; j++) {
        if (!dmEls[j].classList.contains('danmaku-input-wrapper') && !dmEls[j].closest('.danmaku-input-wrapper')) {
          layer = dmEls[j];
          break;
        }
      }
    }
    // Strategy 3: watch entire player-wrapper
    if (!layer) layer = document.querySelector('.player-wrapper');
    if (layer) {
      danmakuLayerObserver.observe(layer, { childList: true, subtree: true });
    } else {
      setTimeout(hookDanmakuLayer, 1000);
    }
  }

  // Danmaku list panel

  var dmList = [];
  var dmListPanel = null;
  var dmListExpanded = false;
  var MODE_LABELS = ['','顶部','底部','逆向','高级'];
  var MODE_CLASS = ['','nml-dm-tag-top','nml-dm-tag-bottom','nml-dm-tag-rev','nml-dm-tag-adv'];

  function addDanmakuEntry(data, text) {
    var video = document.querySelector('.custom-video-player video');
    dmList.push({
      time: video ? video.currentTime : 0,
      mode: data.mode,
      text: text,
      params: data.mode === 4 ? { sx: data.sx, sy: data.sy, mx: data.mx, my: data.my, ex: data.ex, ey: data.ey, sr: data.sr, mr: data.mr, er: data.er, easing1: data.easing1, easing2: data.easing2, timeSM: data.timeSM, timeME: data.timeME } : null
    });
    updateDanmakuListCount();
    if (dmListPanel && dmListExpanded) renderDanmakuList();
  }

  function renderDanmakuList() {
    if (!dmListPanel) return;
    var body = dmListPanel.querySelector('.nml-dm-list-body');
    if (!body || !dmListExpanded) return;
    var html = '';
    for (var i = dmList.length - 1; i >= 0; i--) {
      var d = dmList[i];
      var t = formatTime(d.time);
      var tagCls = MODE_CLASS[d.mode] || '';
      var tagLabel = MODE_LABELS[d.mode] || '滚动';
      var textEscaped = escapeHtml(d.text.length > 30 ? d.text.slice(0, 30) + '...' : d.text);
      html += '<div class="nml-dm-entry">' +
        '<span class="nml-dm-time">' + t + '</span>' +
        '<span class="nml-dm-tag ' + tagCls + '">' + tagLabel + '</span>' +
        '<span class="nml-dm-text">' + textEscaped + '</span>';
      if (d.params) {
        html += '<div class="nml-dm-params">起点(' + d.params.sx + '%,' + d.params.sy + '%) ' +
          '→中间(' + (d.params.mx != null ? d.params.mx : '?') + '%,' + (d.params.my != null ? d.params.my : '?') + '%) ' +
          '→终点(' + d.params.ex + '%,' + d.params.ey + '%) ' +
          '旋转' + d.params.sr + '°→' + (d.params.mr != null ? d.params.mr : '?') + '°→' + d.params.er + '° ' +
          '缓1:' + (EASING_NAMES[d.params.easing1 != null ? d.params.easing1 : d.params.easing] || '?') + ' ' +
          '缓2:' + (EASING_NAMES[d.params.easing2 != null ? d.params.easing2 : d.params.easing] || '?') + ' ' +
          (d.params.timeSM != null ? (d.params.timeSM/10).toFixed(1) + 's' : '?') + '/' + (d.params.timeME != null ? (d.params.timeME/10).toFixed(1) + 's' : '?') + '</div>';
      }
      html += '</div>';
    }
    body.innerHTML = html;
  }

  function formatTime(sec) {
    var m = Math.floor(sec / 60);
    var s = Math.floor(sec % 60);
    return m + ':' + (s < 10 ? '0' : '') + s;
  }

  function escapeHtml(str) {
    return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
  }

  function buildDanmakuListPanel() {
    if (dmListPanel) return;
    dmListPanel = document.createElement('div');
    dmListPanel.className = 'nml-dm-list-panel';
    dmListPanel.style.cssText = 'display:block!important;visibility:visible!important;opacity:1!important;';
    dmListPanel.innerHTML =
      '<div class="nml-dm-list-header">' +
        '<span class="nml-dm-list-title">弹幕列表 (' + dmList.length + ')</span>' +
        '<span class="nml-dm-list-arrow">▸</span>' +
      '</div>' +
      '<div class="nml-dm-list-body" style="display:none"></div>';
    dmListPanel.querySelector('.nml-dm-list-header').addEventListener('click', function () {
      dmListExpanded = !dmListExpanded;
      var body = dmListPanel.querySelector('.nml-dm-list-body');
      var arrow = dmListPanel.querySelector('.nml-dm-list-arrow');
      if (dmListExpanded) {
        body.style.display = '';
        arrow.textContent = '▾';
      } else {
        body.style.display = 'none';
        arrow.textContent = '▸';
      }
      dmListPanel.querySelector('.nml-dm-list-title').textContent = '弹幕列表 (' + dmList.length + ')';
      renderDanmakuList();
    });
    // Styles
    var ds = document.createElement('style');
    ds.textContent =
      '.nml-dm-list-panel{margin-bottom:16px;border:1px solid var(--line_regular,#e5e5e5);border-radius:8px;overflow:hidden;}' +
      '.nml-dm-list-header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;' +
        'cursor:pointer;user-select:none;background:var(--graph_bg_thin,rgba(0,0,0,0.02));transition:background 0.15s;}' +
      '.nml-dm-list-header:hover{background:var(--graph_bg_thin,rgba(0,0,0,0.05));}' +
      '.nml-dm-list-title{font-size:14px;font-weight:600;color:var(--text1,#333);}' +
      '.nml-dm-list-arrow{font-size:14px;color:var(--text2,#999);}' +
      '.nml-dm-list-body{max-height:320px;overflow-y:auto;padding:8px 14px;' +
        'scrollbar-width:thin;scrollbar-color:var(--brand_pink,#ff6fae) transparent;}' +
      '.nml-dm-list-body::-webkit-scrollbar{width:4px;}' +
      '.nml-dm-list-body::-webkit-scrollbar-thumb{background:var(--brand_pink,#ff6fae);border-radius:4px;}' +
      '.nml-dm-entry{padding:6px 0;border-bottom:1px solid var(--line_regular,rgba(0,0,0,0.05));font-size:13px;}' +
      '.nml-dm-entry:last-child{border-bottom:none;}' +
      '.nml-dm-time{color:var(--text2,#999);margin-right:8px;font-family:monospace;}' +
      '.nml-dm-tag{display:inline-block;padding:1px 6px;border-radius:3px;font-size:11px;margin-right:6px;}' +
      '.nml-dm-tag-top{background:rgba(0,200,100,0.15);color:#00c864;}' +
      '.nml-dm-tag-bottom{background:rgba(0,150,255,0.15);color:#0096ff;}' +
      '.nml-dm-tag-rev{background:rgba(255,150,0,0.15);color:#ff9600;}' +
      '.nml-dm-tag-adv{background:rgba(255,111,174,0.15);color:#ff6fae;}' +
      '.nml-dm-text{color:var(--text1,#333);}' +
      '.nml-dm-params{font-size:11px;color:var(--text2,#999);margin-top:2px;padding-left:60px;}';
    document.head.appendChild(ds);
  }

  function findRightAd() {
    // Find .ad-slot near related/recommend section (right sidebar)
    var related = document.querySelector('[class*=related], [class*=recommend]');
    if (related) {
      // Search siblings and ancestors for .ad-slot
      var ad = related.previousElementSibling;
      while (ad) {
        if (ad.matches('.ad-slot')) return ad;
        ad = ad.previousElementSibling;
      }
    }
    // Fallback: last .ad-slot on the page (likely the right one)
    var ads = document.querySelectorAll('.ad-slot');
    return ads.length > 0 ? ads[ads.length - 1] : null;
  }

  function injectDanmakuListPanel() {
    buildDanmakuListPanel();
    if (document.contains(dmListPanel)) { updateDanmakuListCount(); return; }
    var ad = findRightAd();
    if (!ad) { console.log('[nml-dm-list] no right .ad-slot found'); return; }
    ad.parentNode.insertBefore(dmListPanel, ad.nextSibling);
    ad.style.display = 'none';
    updateDanmakuListCount();
    console.log('[nml-dm-list] injected, entries=' + dmList.length);
  }

  function updateDanmakuListCount() {
    if (!dmListPanel) return;
    var title = dmListPanel.querySelector('.nml-dm-list-title');
    if (title) title.textContent = '弹幕列表 (' + dmList.length + ')';
  }

  // Guard
  setInterval(function () {
    if (!location.href.includes('/video/')) return;
    var ad = findRightAd();
    if (ad && ad.style.display !== 'none') ad.style.display = 'none';
    if (!dmListPanel || !document.contains(dmListPanel)) {
      console.log('[nml-dm-list] re-injecting');
      dmListPanel = null;
      injectDanmakuListPanel();
    }
  }, 1500);

  // Mode selector UI — injected into settings panel

  let dmModeBar = null;
  function buildDanmakuModeBar() {
    if (dmModeBar) return;
    dmModeBar = document.createElement('div');
    dmModeBar.className = 'setting-row nml-dm-mode-row';
    dmModeBar.setAttribute('data-v-65d53e0f', '');
    dmModeBar.innerHTML = '<span data-v-65d53e0f="">模式</span>';

    var btnGroup = document.createElement('div');
    btnGroup.className = 'nml-dm-mode-btns';
    var modes = [
      { id: 0, label: '滚动' },
      { id: 1, label: '顶部' },
      { id: 2, label: '底部' },
      { id: 3, label: '逆向' },
      { id: 4, label: '高级' }
    ];
    modes.forEach(function (m) {
      var btn = document.createElement('button');
      btn.setAttribute('data-v-65d53e0f', '');
      btn.className = 'nml-dm-mode-btn' + (m.id === danmakuMode ? ' active' : '');
      btn.textContent = m.label;
      btn.addEventListener('mousedown', function (e) {
        e.stopPropagation(); e.preventDefault();
        danmakuMode = m.id;
        btnGroup.querySelectorAll('.nml-dm-mode-btn').forEach(function (b) { b.classList.remove('active'); });
        btn.classList.add('active');
        toggleAdvControls();
      });
      btnGroup.appendChild(btn);
    });
    dmModeBar.appendChild(btnGroup);

    // Advanced controls — shown only when mode 4 (高级) is active
    var advControls = document.createElement('div');
    advControls.className = 'nml-adv-controls';
    advControls.setAttribute('data-v-65d53e0f', '');
    advControls.style.display = danmakuMode === 4 ? '' : 'none';
    // Compact slider builder
    function buildAdvSlider(cfg) {
      var row = document.createElement('div');
      row.className = 'nml-adv-col-row';
      row.setAttribute('data-v-65d53e0f', '');
      var disp = cfg.fmt ? cfg.fmt(cfg.val) : cfg.val + (cfg.unit || '');
      row.innerHTML = '<span>' + cfg.label + '</span>' +
        '<input type="range" min="' + cfg.min + '" max="' + cfg.max +
        '" step="' + (cfg.step || 1) + '" value="' + cfg.val + '">' +
        '<span class="setting-val">' + disp + '</span>';
      var slider = row.querySelector('input');
      var valSpan = row.querySelector('.setting-val');
      slider.addEventListener('input', function () {
        var v = parseInt(slider.value);
        valSpan.textContent = cfg.fmt ? cfg.fmt(v) : v + (cfg.unit || '');
        cfg.set(v);
      });
      return row;
    }

    // Three-column waypoint layout
    var columns = document.createElement('div');
    columns.className = 'nml-adv-columns';
    var waypoints = [
      { title: '起点', cfgs: [
        { ref: function() { return advSX; }, set: function(v) { advSX = v; }, label: 'X', min: 0, max: 100, val: advSX, unit: '%' },
        { ref: function() { return advSY; }, set: function(v) { advSY = v; }, label: 'Y', min: 0, max: 100, val: advSY, unit: '%' },
        { ref: function() { return advSR; }, set: function(v) { advSR = v; }, label: '∠', min: 0, max: 360, step: 3, val: advSR, unit: '°' }
      ]},
      { title: '中间', cfgs: [
        { ref: function() { return advMX; }, set: function(v) { advMX = v; }, label: 'X', min: 0, max: 100, val: advMX, unit: '%' },
        { ref: function() { return advMY; }, set: function(v) { advMY = v; }, label: 'Y', min: 0, max: 100, val: advMY, unit: '%' },
        { ref: function() { return advMR; }, set: function(v) { advMR = v; }, label: '∠', min: 0, max: 360, step: 3, val: advMR, unit: '°' }
      ]},
      { title: '终点', cfgs: [
        { ref: function() { return advEX; }, set: function(v) { advEX = v; }, label: 'X', min: 0, max: 100, val: advEX, unit: '%' },
        { ref: function() { return advEY; }, set: function(v) { advEY = v; }, label: 'Y', min: 0, max: 100, val: advEY, unit: '%' },
        { ref: function() { return advER; }, set: function(v) { advER = v; }, label: '∠', min: 0, max: 360, step: 3, val: advER, unit: '°' }
      ]}
    ];
    waypoints.forEach(function (wp) {
      var col = document.createElement('div');
      col.className = 'nml-adv-col';
      var title = document.createElement('div');
      title.className = 'nml-adv-col-title';
      title.textContent = wp.title;
      col.appendChild(title);
      wp.cfgs.forEach(function (cfg) { col.appendChild(buildAdvSlider(cfg)); });
      columns.appendChild(col);
    });
    advControls.appendChild(columns);

    // Timing row (full width)
    var timeRow = document.createElement('div');
    timeRow.className = 'nml-adv-time-row';
    var timeCfgs = [
      { ref: function() { return advTimeSM; }, set: function(v) { advTimeSM = v; }, label: '起→中', min: 5, max: 100, val: advTimeSM, fmt: function(v) { return (v/10).toFixed(1) + 's'; } },
      { ref: function() { return advTimeME; }, set: function(v) { advTimeME = v; }, label: '中→终', min: 5, max: 100, val: advTimeME, fmt: function(v) { return (v/10).toFixed(1) + 's'; } }
    ];
    timeCfgs.forEach(function (cfg) {
      var d = document.createElement('div');
      d.className = 'setting-row';
      d.setAttribute('data-v-65d53e0f', '');
      var disp = cfg.fmt ? cfg.fmt(cfg.val) : cfg.val + (cfg.unit || '');
      d.innerHTML = '<span>' + cfg.label + '</span>' +
        '<input type="range" min="' + cfg.min + '" max="' + cfg.max +
        '" step="' + (cfg.step || 1) + '" value="' + cfg.val + '">' +
        '<span class="setting-val">' + disp + '</span>';
      var slider = d.querySelector('input');
      var valSpan = d.querySelector('.setting-val');
      slider.addEventListener('input', function () {
        var v = parseInt(slider.value);
        valSpan.textContent = cfg.fmt ? cfg.fmt(v) : v + (cfg.unit || '');
        cfg.set(v);
      });
      timeRow.appendChild(d);
    });
    advControls.appendChild(timeRow);
    // Easing selectors — two rows for start→middle and middle→end segments
    function buildEasingRow(label, getter, setter) {
      var row = document.createElement('div');
      row.className = 'setting-row';
      row.setAttribute('data-v-65d53e0f', '');
      row.innerHTML = '<span>' + label + '</span>';
      var btns = document.createElement('div');
      btns.className = 'nml-easing-btns';
      EASING_NAMES.forEach(function (name, i) {
        var eb = document.createElement('button');
        eb.setAttribute('data-v-65d53e0f', '');
        eb.className = 'nml-easing-btn' + (i === getter() ? ' active' : '');
        eb.textContent = name;
        eb.addEventListener('mousedown', function (e) {
          e.stopPropagation(); e.preventDefault();
          setter(i);
          btns.querySelectorAll('.nml-easing-btn').forEach(function (b) { b.classList.remove('active'); });
          eb.classList.add('active');
        });
        btns.appendChild(eb);
      });
      row.appendChild(btns);
      return row;
    }
    advControls.appendChild(buildEasingRow('缓动1', function() { return advEasing1; }, function(v) { advEasing1 = v; }));
    advControls.appendChild(buildEasingRow('缓动2', function() { return advEasing2; }, function(v) { advEasing2 = v; }));
    dmModeBar.appendChild(advControls);

    // Easing button styles
    if (!document.getElementById('nml-easing-style')) {
      var es = document.createElement('style');
      es.id = 'nml-easing-style';
      es.textContent =
        '.nml-easing-btns{display:flex;flex-wrap:wrap;gap:3px;}' +
        '.nml-easing-btn{font-size:11px;padding:2px 6px;border-radius:3px;cursor:pointer;' +
          'color:var(--text2,#999);background:transparent;border:1px solid var(--line_regular,rgba(255,255,255,0.1));transition:all 0.15s;outline:none;}' +
        '.nml-easing-btn:hover{color:var(--text1,#fff);border-color:var(--brand_pink,#ff6fae);}' +
        '.nml-easing-btn.active{background:var(--brand_pink,#ff6fae);color:#fff;border-color:var(--brand_pink,#ff6fae);}';
      document.head.appendChild(es);
    }

    // Style
    if (!document.getElementById('nml-dm-mode-style')) {
      var s = document.createElement('style');
      s.id = 'nml-dm-mode-style';
      s.textContent =
        '.nml-dm-mode-btns{display:flex;gap:4px;}' +
        '.nml-dm-mode-btn{' +
          'font-size:12px;padding:3px 10px;border-radius:4px;cursor:pointer;' +
          'color:var(--text2,#999);background:transparent;border:1px solid var(--line_regular,rgba(255,255,255,0.12));' +
          'transition:all 0.15s;outline:none;' +
        '}' +
        '.nml-dm-mode-btn:hover{color:var(--text1,#fff);border-color:var(--brand_pink,#ff6fae);}' +
        '.nml-dm-mode-btn.active{background:var(--brand_pink,#ff6fae);color:#fff;border-color:var(--brand_pink,#ff6fae);}' +
        '.nml-adv-columns{display:flex;gap:6px;margin-top:2px;margin-bottom:4px;}' +
        '.nml-adv-col{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;}' +
        '.nml-adv-col-title{text-align:center;font-size:11px;font-weight:700;color:var(--brand_pink,#ff6fae);margin-bottom:1px;padding:2px 0;border-bottom:1px solid var(--brand_pink,rgba(255,111,174,0.25));}' +
        '.nml-adv-col-row{display:flex;align-items:center;gap:2px;}' +
        '.nml-adv-col-row>span:first-child{font-size:10px;color:var(--text2,#999);width:14px;flex-shrink:0;text-align:center;}' +
        '.nml-adv-col-row input[type=range]{flex:1;min-width:0;height:3px;}' +
        '.nml-adv-col-row .setting-val{font-size:10px;color:var(--text2,#999);width:26px;flex-shrink:0;text-align:right;}' +
        '.nml-adv-time-row{display:flex;gap:8px;margin-top:4px;}' +
        '.nml-adv-time-row .setting-row{flex:1;}';
      document.head.appendChild(s);
    }
  }

  function toggleAdvControls() {
    var ctrls = document.querySelector('.nml-adv-controls');
    if (ctrls) ctrls.style.display = danmakuMode === 4 ? '' : 'none';
  }

  function injectDanmakuModeBar() {
    var panel = document.querySelector('.danmaku-input-wrapper .settings-panel');
    if (!panel || panel.querySelector('.nml-dm-mode-row')) return;
    buildDanmakuModeBar();
    panel.appendChild(dmModeBar);
    toggleAdvControls();
  }

  // Watch for settings panel being opened (Vue re-creates it each time)
  var settingsPanelObserver = new MutationObserver(function (mutations) {
    mutations.forEach(function (m) {
      m.addedNodes.forEach(function (node) {
        if (node.nodeType === 1 && node.classList && node.classList.contains('settings-panel')) {
          injectDanmakuModeBar();
        }
      });
    });
  });
  function hookSettingsPanelObserver() {
    settingsPanelObserver.disconnect();
    var wrapper = document.querySelector('.danmaku-input-wrapper');
    if (wrapper) {
      settingsPanelObserver.observe(wrapper, { childList: true, subtree: true });
      // Check if panel is already open
      if (wrapper.querySelector('.settings-panel')) injectDanmakuModeBar();
    } else {
      setTimeout(hookSettingsPanelObserver, 800);
    }
  }

  // Init
  let initAttempts = 0;
  function doInit() {
    setupChannelPanel();
    if (location.pathname === '/' || location.pathname === '') {
      var channelAttempts = 0;
      function tryChannel() {
        trySelectChannel();
        channelAttempts++;
        if (channelAttempts < 15) setTimeout(tryChannel, 400);
      }
      tryChannel();
    }
    if (location.pathname.indexOf('/video/') === 0) {
      hookDanmakuLayer();
      hookSettingsPanelObserver();
      injectDanmakuListPanel();
      if (mountUI()) return;
      initAttempts++;
      if (initAttempts < 50) setTimeout(doInit, 200);
    }
  }
  doInit();

  // SPA navigation
  // Intercept history.pushState / replaceState to detect client-side navigation
  function onNavigate() {
    var url = location.href;
    if (url.includes('/video/')) {
      // Clean up previous video page state
      var old = document.querySelector('.nml-speed-wrapper');
      if (old) old.remove();
      videoObserver.disconnect();
      speedBtn = null;
      speedMenu = null;
      videoEl = null;
      mounted = false;
      initAttempts = 0;
      danmakuMode = 0;
      dmList = [];
      activeDmLanes = { 1: [], 2: [], 3: [] };
      danmakuLayerObserver.disconnect();
      currentSpeed = savedSpeed;
      // Re-initialize after Vue renders the new page
      setTimeout(doInit, 800);
    }
  }

  var _pushState = history.pushState;
  history.pushState = function () {
    _pushState.apply(this, arguments);
    onNavigate();
  };
  var _replaceState = history.replaceState;
  history.replaceState = function () {
    _replaceState.apply(this, arguments);
    onNavigate();
  };
  window.addEventListener('popstate', onNavigate);

  // Start
  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', function () { setTimeout(doInit, 600); });
  } else {
    setTimeout(doInit, 600);
  }
})();