var THEME_KEY = "vyla-theme";

var ICONS = {
  system: '<rect x="2" y="3" width="20" height="14" rx="2"/><path d="M8 21h8M12 17v4"/>',
  light: '<circle cx="12" cy="12" r="4"/><path d="M12 2v2M12 20v2M4.9 4.9l1.4 1.4M17.7 17.7l1.4 1.4M2 12h2M20 12h2M6.3 17.7l-1.4 1.4M19.1 4.9l-1.4 1.4"/>',
  dark: '<path d="M12 3a6 6 0 0 0 9 9 9 9 0 1 1-9-9Z"/>',
  midnight: '<path d="M12 2a10 10 0 1 0 10 10A10 10 0 0 1 12 2Z"/>',
  nord: '<path d="m2 12 5-5 5 5 5-5 5 5"/><path d="M12 7v14"/>',
  dracula: '<path d="M7 3v7l5 3 5-3V3"/><path d="M7 14l5 7 5-7"/>',
  forest: '<path d="m12 2 7 12h-4l3 6H6l3-6H5z"/>',
  sunset: '<path d="M17 18a5 5 0 0 0-10 0"/><path d="M12 2v4M4.22 10.22l2.83 2.83M1 18h4M19 18h4M16.95 13.05l2.83-2.83M12 13a5 5 0 0 0-5 5h10a5 5 0 0 0-5-5z"/>',
  cyberpunk: '<path d="M4 4h16v16H4z"/><path d="M4 9h16M9 4v16"/>',
  halloween: '<circle cx="12" cy="12" r="9"/><path d="M9 10h.01M15 10h.01M8 15s1.5 2 4 2 4-2 4-2"/><path d="M12 3v3"/>',
  christmas: '<path d="m12 3-5 7h3l-4 6h12l-4-6h3z"/><path d="M12 16v5"/>',
  autumn: '<path d="M11 20A7 7 0 0 1 9.8 6.1C15.5 5 17 4.48 19 2c1 2 2 4.18 2 8 0 5.5-4.78 10-10 10Z"/><path d="M2 21c0-3 1.85-5.36 5.08-6C9.5 14.52 12 13 13 12"/>',
  winter: '<path d="M12 2v20M4.93 7l14.14 10M4.93 17 19.07 7"/><path d="m9 4 3 2 3-2M9 20l3-2 3 2"/>',
  auto: '<rect x="3" y="5" width="18" height="16" rx="2"/><path d="M16 3v4M8 3v4M3 11h18"/>',
  sliders: '<path d="M4 6h10M18 6h2M4 12h4M12 12h8M4 18h12M20 18h0"/><circle cx="16" cy="6" r="2"/><circle cx="10" cy="12" r="2"/><circle cx="18" cy="18" r="2"/>',
  star: '<path d="m12 3 2.7 5.6 6.1.9-4.4 4.3 1 6.1L12 17l-5.4 2.9 1-6.1L3.2 9.5l6.1-.9z"/>',
  search: '<circle cx="11" cy="11" r="7"/><path d="m21 21-4.3-4.3"/>',
  menu: '<path d="M4 6h16M4 12h10M4 18h16"/>',
  doc: '<path d="M14 3H7a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V8z"/><path d="M14 3v5h5M9 13h6M9 17h6"/>',
  hash: '<path d="M4 9h16M4 15h16M10 3 8 21M16 3l-2 18"/>',
  copy: '<rect x="9" y="9" width="11" height="11" rx="2"/><path d="M5 15V6a2 2 0 0 1 2-2h9"/>',
  check: '<path d="m5 12 5 5 9-10"/>',
  chevron: '<path d="m6 9 6 6 6-6"/>',
  chevronLeft: '<path d="m15 18-6-6 6-6"/>',
  chevronRight: '<path d="m9 18 6-6-6-6"/>'
};

var THEMES_GENERAL = [
  { id: "dark", label: "Dark" },
  { id: "light", label: "Light" },
  { id: "midnight", label: "Midnight" },
  { id: "nord", label: "Nord" },
  { id: "dracula", label: "Dracula" },
  { id: "forest", label: "Forest" },
  { id: "sunset", label: "Sunset" },
  { id: "cyberpunk", label: "Cyberpunk" }
];

var THEME_MEDIA = {
  dark: "/src/assets/images/wallpaper-media/tree.webp",
  light: "/src/assets/images/wallpaper-media/tree.webp",
  midnight: "/src/assets/images/wallpaper-media/tree.webp",
  nord: "/src/assets/images/wallpaper-media/tree.webp",
  dracula: "/src/assets/images/wallpaper-media/tree.webp",
  forest: "/src/assets/images/wallpaper-media/tree.webp",
  sunset: "/src/assets/images/wallpaper-media/tree.webp",
  cyberpunk: "/src/assets/images/wallpaper-media/tree.webp"
};

var SITE_TREE = [
  {
    "id": "vyla",
    "title": "Ecosystem",
    "path": "/start-here/introduction",
    "groups": [
      {
        "title": "Start here",
        "items": [
          {
            "title": "Introduction",
            "file": "/start-here/introduction.md",
            "path": "/start-here/introduction",
            "hasMedia": true
          },
          {
            "title": "Architecture",
            "file": "/start-here/architecture.md",
            "path": "/start-here/architecture"
          }
        ]
      },
      {
        "title": "Products",
        "items": [
          {
            "title": "Vyla Home",
            "file": "/products/home.md",
            "path": "/products/home",
            "hasMedia": true
          },
          {
            "title": "Vyla Go",
            "file": "/products/go.md",
            "path": "/products/go",
            "hasMedia": true
          },
          {
            "title": "Vyla TV",
            "file": "/products/tv.md",
            "path": "/products/tv",
            "hasMedia": true
          },
          {
            "title": "Build a Player",
            "file": "/products/player.md",
            "path": "/products/player"
          }
        ]
      },
      {
        "title": "Concepts",
        "items": [
          {
            "title": "Providers",
            "file": "/concepts/providers.md",
            "path": "/concepts/providers"
          }
        ]
      }
    ]
  },
  {
    "id": "sdk",
    "title": "SDK",
    "path": "/sdk",
    "groups": [
      {
        "title": "Getting Started",
        "items": [
          {
            "title": "SDK Overview",
            "file": "/sdk/vyla-sdk/index.md",
            "path": "/sdk",
            "hasMedia": true
          },
          {
            "title": "SDK Quickstart",
            "file": "/sdk/vyla-sdk/quickstart.md",
            "path": "/sdk/vyla-sdk/quickstart"
          }
        ]
      },
      {
        "title": "Reference",
        "items": [
          {
            "title": "API Reference",
            "file": "/sdk/vyla-sdk/reference.md",
            "path": "/sdk/vyla-sdk/reference"
          },
          {
            "title": "Manga Module",
            "file": "/sdk/vyla-sdk/manga.md",
            "path": "/sdk/vyla-sdk/manga",
            "hasMedia": true
          }
        ]
      },
      {
        "title": "Development",
        "items": [
          {
            "title": "Contributing Sources",
            "file": "/sdk/vyla-sdk/contributing.md",
            "path": "/sdk/vyla-sdk/contributing",
            "hasMedia": true
          }
        ]
      }
    ]
  },
  {
    "id": "stream-api",
    "title": "Stream API",
    "path": "/stream-api/overview",
    "groups": [
      {
        "title": "Overview",
        "items": [
          {
            "title": "Stream API Overview",
            "file": "/stream-api/overview/index.md",
            "path": "/stream-api/overview"
          },
          {
            "title": "Authentication & Keys",
            "file": "/stream-api/authentication/index.md",
            "path": "/stream-api/authentication"
          }
        ]
      },
      {
        "title": "Reference",
        "items": [
          {
            "title": "Paths & Playback",
            "file": "/stream-api/reference/paths.md",
            "path": "/stream-api/reference/paths"
          },
          {
            "title": "Media Data",
            "file": "/stream-api/reference/media-data.md",
            "path": "/stream-api/reference/media-data",
            "hasMedia": true
          },
          {
            "title": "Operations & Health",
            "file": "/stream-api/reference/operations.md",
            "path": "/stream-api/reference/operations"
          }
        ]
      },
      {
        "title": "Deployment",
        "items": [
          {
            "title": "Self Hosting",
            "file": "/stream-api/deployment/self-hosting.md",
            "path": "/stream-api/deployment/self-hosting"
          }
        ]
      }
    ]
  },
  {
    "id": "guides",
    "title": "Guides",
    "path": "/guides/integrations",
    "groups": [
      {
        "title": "Player Guides",
        "items": [
          {
            "title": "Client Integration",
            "file": "/guides/integrations.md",
            "path": "/guides/integrations"
          },
          {
            "title": "Error Handling",
            "file": "/guides/error-handling.md",
            "path": "/guides/error-handling"
          }
        ]
      }
    ]
  },
  {
    "id": "resources",
    "title": "Resources",
    "path": "/resources/faq",
    "groups": [
      {
        "title": "Reference & Help",
        "items": [
          {
            "title": "FAQ",
            "file": "/resources/faq.md",
            "path": "/resources/faq"
          },
          {
            "title": "Troubleshooting",
            "file": "/resources/troubleshooting.md",
            "path": "/resources/troubleshooting"
          },
          {
            "title": "Glossary",
            "file": "/resources/glossary.md",
            "path": "/resources/glossary"
          }
        ]
      },
      {
        "title": "Project",
        "items": [
          {
            "title": "Project Story",
            "file": "/misc/project/story.md",
            "path": "/misc/project/story"
          },
          {
            "title": "Changelog",
            "file": "/misc/project/changelog.md",
            "path": "/misc/project/changelog"
          },
          {
            "title": "Credits",
            "file": "/misc/project/credit.md",
            "path": "/misc/project/credit"
          },
          {
            "title": "Support Us",
            "file": "/misc/project/support-us.md",
            "path": "/misc/project/support-us"
          },
          {
            "title": "DMCA Policy",
            "file": "/misc/project/DMCA.md",
            "path": "/misc/project/dmca"
          }
        ]
      }
    ]
  }
];

var searchData = null;
var searchResults = [];
var searchActive = 0;

function icon(name) {
  return '<svg class="ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">' + ICONS[name] + '</svg>';
}

function esc(s) {
  return String(s).replace(/[&<>"]/g, function (c) {
    return { "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;" }[c];
  });
}

function getThemeMode() {
  return localStorage.getItem(THEME_KEY) || "auto";
}


function applyTheme() {
  var mode = getThemeMode();
  var theme = resolveTheme(mode);
  document.documentElement.setAttribute("data-theme", theme);

  var logo = document.getElementById("brand-logo");
  if (logo) logo.src = theme === "light" ? "/src/assets/images/dark_logo.png" : "/src/assets/images/logo.png";

  applyPreferences();


  var targetSrc = THEME_MEDIA[theme] || THEME_MEDIA.dark;
  if (typeof window !== "undefined" && window.innerWidth <= 768 && targetSrc && targetSrc.indexOf("tree.webp") !== -1) {
    targetSrc = "/src/assets/images/wallpaper-media/tree-mobile.webp";
  }
  var videosOff = getPref("video", "on") === "off";
  var isImageSource = /\.(jpe?g|png|gif|webp|avif|svg)(\?.*)?$/i.test(targetSrc || "");

  document.querySelectorAll(".body-blurred-video, .header-video, .body-blurred-image, .header-image").forEach(function (element) {
    var isVideo = element.tagName === "VIDEO";
    var isImage = element.tagName === "IMG";

    if ((isVideo && (videosOff || isImageSource)) || (isImage && !isImageSource)) {
      if (isVideo) {
        element.pause();
        element.load();
      }
      element.removeAttribute("src");
      return;
    }

    if (element.getAttribute("src") !== targetSrc) {
      element.src = targetSrc;

      if (isVideo) {
        element.load();
        element.play().catch(function () { });
      }
    }
  });

  updateThemeAmbient(targetSrc, isImageSource, videosOff);

  applyThemeCopy(theme);
}

function updateThemeAmbient(src, isImage, videosOff) {
  var el = document.getElementById("theme-ambient");
  if (!el) {
    el = document.createElement("div");
    el.id = "theme-ambient";
    el.className = "theme-ambient";
    el.setAttribute("aria-hidden", "true");
    document.body.appendChild(el);
  }

  var blocked = !src || (!isImage && videosOff);
  el.hidden = blocked;
  if (blocked) return;

  var want = isImage ? "img" : "video";
  var media = el.querySelector(".theme-ambient-media");
  if (!media || media.tagName.toLowerCase() !== want) {
    el.innerHTML = "";
    media = document.createElement(want);
    media.className = "theme-ambient-media";
    if (isImage) {
      media.alt = "";
      media.setAttribute("width", "1920");
      media.setAttribute("height", "1080");
      media.setAttribute("aria-hidden", "true");
    } else {
      media.muted = true;
      media.loop = true;
      media.autoplay = true;
      media.playsInline = true;
      media.setAttribute("muted", "");
      media.setAttribute("playsinline", "");
    }
    el.appendChild(media);
  }

  if (media.getAttribute("src") !== src) {
    media.src = src;
    if (!isImage) {
      media.load();
      media.play().catch(function () { });
    }
  }
}

function revealThemeAmbient() {
  var el = document.getElementById("theme-ambient");
  if (!el || el.hidden) return;
  el.classList.remove("is-in");
  void el.offsetWidth;
  el.classList.add("is-in");
}

function setTheme(mode) {
  localStorage.setItem(THEME_KEY, mode);
  applyTheme();
  refreshThemeUI();
  var menu = document.getElementById("theme-menu");
  if (menu) menu.classList.remove("open");
  var segMenu = document.getElementById("theme-seg-menu");
  if (segMenu) segMenu.classList.remove("open");
}

function toggleThemeMenu(e) {
  e.stopPropagation();
  var menu = document.getElementById("theme-menu");
  if (menu) menu.classList.toggle("open");
}

function refreshThemeUI() {
  var mode = getThemeMode();
  var btn = document.getElementById("theme-toggle");
  if (btn) btn.innerHTML = icon(ICONS[mode] ? mode : "dark");
  document.querySelectorAll("#theme-menu button, .st-theme").forEach(function (b) {
    b.classList.toggle("on", b.getAttribute("data-mode") === mode);
  });
}

function buildThemeControls() {
  var btn = document.getElementById("theme-toggle");
  var links = document.querySelector("#navbar .links");
  if (!btn || !links) return;
  var wrap = document.createElement("div");
  wrap.className = "theme-wrap";
  btn.parentNode.insertBefore(wrap, btn);
  wrap.appendChild(btn);
  var menu = document.createElement("div");
  menu.id = "theme-menu";
  var html = '<div class="theme-menu-label">General</div>';
  THEMES_GENERAL.forEach(function (t) {
    html += '<button type="button" data-mode="' + t.id + '">' + icon(t.id) + '<span>' + esc(t.label) + '</span><i class="check">✓</i></button>';
  });
  menu.innerHTML = html;
  wrap.appendChild(menu);
  menu.addEventListener("click", function (e) {
    var b = e.target.closest("button");
    if (b) setTheme(b.getAttribute("data-mode"));
  });
  refreshThemeUI();
}

function dismissBanner() {
  var banner = document.getElementById("banner");
  if (banner) banner.setAttribute("data-dismissed", "true");
  document.body.classList.add("banner-dismissed");
  localStorage.setItem("vyla-banner-dismissed", "true");
  var header = document.getElementById("header-container");
  if (header) document.documentElement.style.setProperty("--header-height", header.offsetHeight + "px");
}

function toggleSidebar() {
  var sidebar = document.getElementById("sidebar");
  var nav = document.getElementById("navbar");
  var top = Math.max(0, Math.round(nav.getBoundingClientRect().bottom));
  sidebar.style.setProperty("--sidebar-top", top + "px");
  var open = sidebar.classList.toggle("open");
  document.body.classList.toggle("nav-open", open);
}

function cgSwitch(btn) {
  var group = btn.closest(".code-group");
  var index = btn.getAttribute("data-tab-index");
  group.querySelectorAll(".code-group-tab").forEach(function (t) {
    t.classList.toggle("active", t === btn);
  });
  group.querySelectorAll(".code-group-panel").forEach(function (p, i) {
    p.classList.toggle("active", String(i) === index);
  });
  window.dispatchEvent(new Event("resize"));
}

var savedCount = 0;

var PREF_KEYS = {
  video: "vyla-video",
  motion: "vyla-motion",
  deco: "vyla-deco",
  text: "vyla-text",
  accent: "vyla-accent",
  name: "vyla-name",
  api: "vyla-api-url"
};

var THEME_COPY = {
  base: {
    banner: "",
    footer: "Built by the community, for the community.",
    notFound: "But if you don't change your direction, and if you keep looking, you may end up where you are heading.",
    greeting: "",
    favicon: "",
    confetti: null
  }
};

var KONAMI = ["ArrowUp", "ArrowUp", "ArrowDown", "ArrowDown", "ArrowLeft", "ArrowRight", "ArrowLeft", "ArrowRight", "b", "a"];
var PROJECTS = ["home", "go", "TV", "sdk", "stream-api"];
var PROJECT_LABELS = { home: "Home", go: "Go", TV: "TV", sdk: "SDK", "stream-api": "Stream API" };

function resolveTheme(mode) {
  return mode === "auto" ? "dark" : mode;
}

function getPref(key, fallback) {
  var v = null;
  try { v = localStorage.getItem(PREF_KEYS[key]); } catch (e) { }
  return v === null ? fallback : v;
}

function setPref(key, value) {
  try {
    if (value === null || value === "") localStorage.removeItem(PREF_KEYS[key]);
    else localStorage.setItem(PREF_KEYS[key], value);
  } catch (e) { }
}

function applyAccent(hex) {
  var root = document.documentElement;
  var props = ["--text", "--btn-primary-bg", "--btn-home-bg", "--code-tab-active", "--btn-primary-text", "--btn-home-text"];
  if (!/^#[0-9a-f]{6}$/i.test(hex || "")) {
    props.forEach(function (p) { root.style.removeProperty(p); });
    return;
  }
  var r = parseInt(hex.slice(1, 3), 16);
  var g = parseInt(hex.slice(3, 5), 16);
  var b = parseInt(hex.slice(5, 7), 16);
  var on = (0.299 * r + 0.587 * g + 0.114 * b) / 255 > 0.6 ? "#000000" : "#ffffff";
  root.style.setProperty("--text", hex);
  root.style.setProperty("--btn-primary-bg", hex);
  root.style.setProperty("--btn-home-bg", hex);
  root.style.setProperty("--code-tab-active", hex);
  root.style.setProperty("--btn-primary-text", on);
  root.style.setProperty("--btn-home-text", on);
}

function applyPreferences() {
  document.body.classList.toggle("no-video", getPref("video", "on") === "off");
  document.body.classList.toggle("no-motion", getPref("motion", "on") === "off");
  document.body.classList.toggle("no-deco", getPref("deco", "on") === "off");
  var scale = parseInt(getPref("text", "100"), 10);
  if (!(scale >= 85 && scale <= 130)) scale = 100;
  document.documentElement.style.setProperty("--text-scale", String(scale / 100));
  applyAccent(getPref("accent", ""));
}

function applyThemeCopy(theme) {
  var copy = THEME_COPY[theme] || THEME_COPY.base;
  var fav = document.querySelector('link[rel="icon"]');
  if (fav) {
    if (copy.favicon) {
      fav.type = "image/svg+xml";
      fav.href = "data:image/svg+xml," + encodeURIComponent("<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>" + copy.favicon + "</text></svg>");
    } else {
      fav.removeAttribute("type");
      fav.href = "/favicon.ico";
    }
  }
  var note = document.getElementById("footer-note");
  if (note) note.textContent = copy.footer;
  var span = document.querySelector("#banner span");
  if (span) {
    var old = document.getElementById("banner-greet");
    if (old) old.remove();
    if (copy.banner) {
      var g = document.createElement("strong");
      g.id = "banner-greet";
      g.textContent = copy.banner + " ";
      span.insertBefore(g, span.firstChild);
    }
  }
}

function notFoundCopy() {
  var copy = THEME_COPY[resolveTheme(getThemeMode())] || THEME_COPY.base;
  return copy.notFound;
}

function cleanApiUrl(v) {
  v = String(v || "").trim().replace(/\/+$/, "");
  return /^https?:\/\/[^\s<>"'`]+$/i.test(v) ? v : "";
}

var API_DEFAULT = "http://localhost:7860";

function personalize(md) {
  var url = cleanApiUrl(getPref("api", "")) || API_DEFAULT;
  return md.split("YOUR_API_URL").join(url);
}

function insertApiCard() {
  var main = document.getElementById("main-content");
  var h1 = main && main.querySelector("h1");
  if (!h1) return;
  var card = document.createElement("div");
  card.className = "personal-card";
  card.innerHTML =
    '<label for="api-card-input">Using your own server?</label>' +
    '<div class="pc-row"><input id="api-card-input" type="url" placeholder="https://your-server.example.com" autocomplete="off" spellcheck="false">' +
    '<button type="button" class="pc-btn">Apply</button></div>' +
    '<p class="pc-hint">Examples on this page will use your URL. It stays in this browser.</p>';
  h1.parentNode.insertBefore(card, h1.nextSibling);
  var input = card.querySelector("input");
  input.value = cleanApiUrl(getPref("api", ""));
  function apply() {
    var raw = input.value.trim();
    var clean = cleanApiUrl(raw);
    if (raw && !clean) {
      input.classList.add("bad");
      return;
    }
    input.classList.remove("bad");
    setPref("api", clean);
    loadPage();
  }
  card.querySelector(".pc-btn").addEventListener("click", apply);
  input.addEventListener("keydown", function (e) {
    if (e.key === "Enter") apply();
  });
}

function rememberPage(route) {
  if (!route || route.is404) return;
  try {
    localStorage.setItem("vyla-last", JSON.stringify({ title: route.item.title, path: route.item.path }));
  } catch (e) { }
}

function timeGreeting() {
  var h = new Date().getHours();
  if (h < 5) return "Up late";
  if (h < 12) return "Good morning";
  if (h < 18) return "Good afternoon";
  return "Good evening";
}

function getBookmarks() {
  try { return JSON.parse(localStorage.getItem("vyla-bookmarks")) || []; } catch (e) { return []; }
}

function isBookmarked(href) {
  return getBookmarks().some(function (b) { return b.href === href; });
}

function buildBookmarkButton(route) {
  var b = document.createElement("button");
  b.type = "button";
  b.className = "bm-btn";
  var href = route.item.path;
  function paint() {
    var on = isBookmarked(href);
    b.classList.toggle("on", on);
    b.setAttribute("aria-pressed", on ? "true" : "false");
    b.setAttribute("aria-label", on ? "Remove bookmark" : "Save this page");
    b.title = on ? "Remove bookmark" : "Save this page";
    b.innerHTML = icon("star");
  }
  b.addEventListener("click", function (e) {
    e.stopPropagation();
    var list = getBookmarks();
    var idx = list.findIndex(function (x) { return x.href === href; });
    if (idx !== -1) list.splice(idx, 1);
    else list.unshift({ title: route.item.title, crumbs: [route.tab.title, route.group.title, route.item.title], href: href, type: "page" });
    try { localStorage.setItem("vyla-bookmarks", JSON.stringify(list.slice(0, 20))); } catch (err) { }
    paint();
  });
  paint();
  return b;
}

function detectPlatform() {
  var ua = navigator.userAgent || "";
  if (/Android.*(TV|AFT|BRAVIA|SHIELD)|AndroidTV|GoogleTV|SmartTV/i.test(ua)) return "tv";
  if (/Android/i.test(ua)) return "android";
  if (/iPhone|iPad|iPod/i.test(ua)) return "ios";
  if (/Windows/i.test(ua)) return "windows";
  if (/Mac OS X|Macintosh/i.test(ua)) return "mac";
  if (/Linux|X11/i.test(ua)) return "linux";
  return "other";
}

function markRecommended(project) {
  var platform = detectPlatform();
  var wanted = null;
  if (project === "home" && platform === "windows") wanted = [".exe"];
  else if (project === "home" && platform === "mac") wanted = [".dmg"];
  else if (project === "home" && platform === "linux") wanted = ["build from source"];
  else if (project === "go" && platform === "android") wanted = [".apk"];
  else if (project === "TV" && platform === "tv") wanted = [".apk"];
  if (!wanted) return;
  var done = false;
  document.querySelectorAll("#main-content table a").forEach(function (a) {
    if (done || a.getAttribute("data-rec")) return;
    var text = a.textContent.toLowerCase();
    var hit = wanted.some(function (w) { return text.indexOf(w) !== -1; });
    if (!hit) return;
    done = true;
    a.setAttribute("data-rec", "1");
    var badge = document.createElement("span");
    badge.className = "rec-badge";
    badge.textContent = "Recommended for your device";
    a.parentNode.insertBefore(badge, a.nextSibling);
    var row = a.closest("tr");
    if (row) {
      row.classList.add("rec-row");
      var body = row.parentNode;
      if (body && body.firstElementChild !== row) body.insertBefore(row, body.firstElementChild);
    }
  });
}

function burstConfetti() {
  if (document.body.classList.contains("no-motion")) return;
  var copy = THEME_COPY[resolveTheme(getThemeMode())] || THEME_COPY.base;
  var canvas = document.createElement("canvas");
  canvas.className = "confetti-canvas";
  var dpr = window.devicePixelRatio || 1;
  var w = window.innerWidth;
  var h = window.innerHeight;
  canvas.width = w * dpr;
  canvas.height = h * dpr;
  document.body.appendChild(canvas);
  var ctx = canvas.getContext("2d");
  ctx.scale(dpr, dpr);
  var accent = getComputedStyle(document.documentElement).getPropertyValue("--text").trim() || "#ffffff";
  var colors = [accent, "#ffffff", "#ffd24d", "#4da6ff", "#ff5c8a", "#5fd68f"];
  var glyphs = copy.confetti;
  var parts = [];
  for (var i = 0; i < 140; i++) {
    parts.push({
      x: w / 2 + (Math.random() - 0.5) * 120,
      y: h * 0.85,
      vx: (Math.random() - 0.5) * 16,
      vy: -(8 + Math.random() * 12),
      size: 8 + Math.random() * 8,
      rot: Math.random() * 6.28,
      vr: (Math.random() - 0.5) * 0.4,
      color: colors[i % colors.length],
      glyph: glyphs && i % 3 === 0 ? glyphs[i % glyphs.length] : null
    });
  }
  var start = performance.now();
  function frame(now) {
    var t = now - start;
    ctx.clearRect(0, 0, w, h);
    parts.forEach(function (p) {
      p.vy += 0.35;
      p.vx *= 0.99;
      p.x += p.vx;
      p.y += p.vy;
      p.rot += p.vr;
      ctx.save();
      ctx.translate(p.x, p.y);
      ctx.rotate(p.rot);
      ctx.globalAlpha = Math.max(0, 1 - t / 4200);
      if (p.glyph) {
        ctx.font = p.size * 2 + "px serif";
        ctx.textAlign = "center";
        ctx.textBaseline = "middle";
        ctx.fillText(p.glyph, 0, 0);
      } else {
        ctx.fillStyle = p.color;
        ctx.fillRect(-p.size / 2, -p.size / 4, p.size, p.size / 2);
      }
      ctx.restore();
    });
    if (t < 4200) requestAnimationFrame(frame);
    else canvas.remove();
  }
  requestAnimationFrame(frame);
}

function initEasterEggs() {
  var progress = 0;
  document.addEventListener("keydown", function (e) {
    var t = e.target;
    if (t && (t.tagName === "INPUT" || t.tagName === "TEXTAREA")) return;
    var key = e.key.length === 1 ? e.key.toLowerCase() : e.key;
    if (key === KONAMI[progress]) {
      progress++;
      if (progress === KONAMI.length) {
        progress = 0;
        burstConfetti();
      }
    } else {
      progress = key === KONAMI[0] ? 1 : 0;
    }
  });
  try {
  } catch (e) { }
}

var ACCENT_PRESETS = ["#ff7518", "#f4b942", "#ff5c5c", "#f472b6", "#c084fc", "#8ad1ff", "#5fd68f", "#ffffff"];
var TEXT_STEPS = [
  { v: "90", l: "Small" },
  { v: "100", l: "Default" },
  { v: "115", l: "Large" },
  { v: "130", l: "XL" }
];

function settingsEl(id) {
  return document.getElementById(id);
}

function setApiHint(msg, isErr) {
  var h = settingsEl("set-api-hint");
  if (!h) return;
  h.textContent = msg || "Used in code examples across the Stream API docs.";
  h.classList.toggle("err", !!isErr);
}

function refreshPersonalPages() {
  if (document.querySelector(".personal-card")) loadPage();
}

function themeChips(list) {
  return list.map(function (t) {
    return '<button type="button" class="st-theme" data-mode="' + t.id + '">' + icon(t.id) + "<span>" + esc(t.label) + "</span></button>";
  }).join("");
}

function switchRow(id, title, hint) {
  return '<label class="st-row"><span class="st-text"><span class="st-label">' + title + '</span><span class="st-hint">' + hint + '</span></span>' +
    '<span class="st-switch"><input id="' + id + '" type="checkbox"><span class="st-track"></span></span></label>';
}

function parseMarkdown(md) {
  var lines = md.replace(/\r\n/g, "\n").split("\n");
  var out = [];
  var inPre = false;
  var preLang = "";
  var preCode = [];
  var inTable = false;
  var tableRows = [];
  var inList = false;
  var listType = "ul";
  var inCodeGroup = false;
  var codeGroupTabs = [];
  var codeGroupPanels = [];

  function flushList() {
    if (inList) {
      out.push("</" + listType + ">");
      inList = false;
    }
  }

  function flushTable() {
    if (inTable) {
      var html = '<div class="table-wrap"><table>';
      if (tableRows.length > 0) {
        html += "<thead><tr>";
        var ths = tableRows[0];
        for (var i = 0; i < ths.length; i++) html += "<th>" + parseInline(ths[i]) + "</th>";
        html += "</tr></thead>";
      }
      if (tableRows.length > 1) {
        html += "<tbody>";
        for (var r = 1; r < tableRows.length; r++) {
          html += "<tr>";
          var tds = tableRows[r];
          for (var c = 0; c < tds.length; c++) html += "<td>" + parseInline(tds[c]) + "</td>";
          html += "</tr>";
        }
        html += "</tbody>";
      }
      html += "</table></div>";
      out.push(html);
      inTable = false;
      tableRows = [];
    }
  }

  function slugify(text) {
    return text.toLowerCase().replace(/<[^>]+>/g, "").replace(/[^a-z0-9]+/g, "-").replace(/^-|-$/g, "");
  }

  function parseInline(text) {
    return text
      .replace(/!\[([^\]]*)\]\(([^)]+)\)/g, function (_, alt, src) {
        var cls = src.indexOf("devices.png") !== -1 || src.indexOf("site_preview.png") !== -1 || src.indexOf("site-preview.png") !== -1 ? ' class="vyla-banner"' : "";
        return '<img src="' + src + '" alt="' + esc(alt) + '" loading="lazy" decoding="async" fetchpriority="low"' + cls + " />";
      })
      .replace(/\[([^\]]+)\]\(([^)]+)\)/g, function (_, label, href) {
        return '<a href="' + href + '">' + label + "</a>";
      })
      .replace(/`([^`]+)`/g, function (_, code) {
        return "<code>" + esc(code) + "</code>";
      })
      .replace(/\*\*([^*]+)\*\*/g, "<strong>$1</strong>")
      .replace(/\*([^*]+)\*/g, "<em>$1</em>");
  }

  for (var i = 0; i < lines.length; i++) {
    var line = lines[i];

    if (line.startsWith(":::code-group")) {
      flushList();
      flushTable();
      inCodeGroup = true;
      codeGroupTabs = [];
      codeGroupPanels = [];
      continue;
    }

    if (inCodeGroup && line === ":::") {
      flushList();
      flushTable();
      var cgHtml = '<div class="code-group"><div class="code-group-tabs">';
      codeGroupTabs.forEach(function (tab, idx) {
        var activeClass = idx === 0 ? " active" : "";
        cgHtml += '<button class="code-group-tab' + activeClass + '" data-tab-index="' + idx + '" type="button" onclick="cgSwitch(this)">' + esc(tab) + '</button>';
      });
      cgHtml += '</div><div class="code-group-panels">';
      codeGroupPanels.forEach(function (panel, idx) {
        var activeClass = idx === 0 ? " active" : "";
        var langClass = panel.lang ? ' class="language-' + panel.lang + '"' : ' class="language-none"';
        cgHtml += '<div class="code-group-panel' + activeClass + '"><pre><code' + langClass + '>' + esc(panel.code) + '</code></pre></div>';
      });
      cgHtml += '</div></div>';
      out.push(cgHtml);
      inCodeGroup = false;
      codeGroupTabs = [];
      codeGroupPanels = [];
      continue;
    }

    if (line.startsWith("```")) {
      flushList();
      flushTable();
      if (!inPre) {
        inPre = true;
        var info = line.slice(3).trim();
        var tabMatch = info.match(/\[([^\]]+)\]/);
        var tabTitle = tabMatch ? tabMatch[1] : "";
        preLang = info.replace(/\[([^\]]+)\]/, "").trim();
        if (inCodeGroup && tabTitle) {
          codeGroupTabs.push(tabTitle);
        }
        preCode = [];
      } else {
        inPre = false;
        var codeContent = preCode.join("\n");
        var resolvedLang = preLang;
        if (!resolvedLang) {
          if (codeContent.trim().startsWith("{") || codeContent.trim().startsWith("[")) resolvedLang = "json";
          else if (codeContent.indexOf("=") !== -1 && !codeContent.includes("function") && !codeContent.includes(";")) resolvedLang = "ini";
          else if (codeContent.startsWith("http://") || codeContent.startsWith("https://")) resolvedLang = "http";
          else resolvedLang = "bash";
        }
        if (inCodeGroup) {
          codeGroupPanels.push({ lang: resolvedLang, code: codeContent });
        } else {
          var langClass = resolvedLang ? ' class="language-' + resolvedLang + '"' : ' class="language-none"';
          out.push('<div class="code-wrap"><pre><code' + langClass + ">" + esc(codeContent) + "</code></pre></div>");
        }
      }
      continue;
    }

    if (inPre) {
      preCode.push(line);
      continue;
    }

    if (line.startsWith(":::callout-")) {
      flushList();
      flushTable();
      var type = line.slice(11).trim();
      out.push('<div class="callout callout-' + type + '"><div class="callout-content">');
      continue;
    }
    if (line === ":::") {
      flushList();
      flushTable();
      out.push("</div></div>");
      continue;
    }

    if (line.startsWith("<div") || line.startsWith("</div") || line.startsWith("<span") || line.startsWith("</span") || line.startsWith("<img") || line.startsWith("<ul") || line.startsWith("</ul") || line.startsWith("<li") || line.startsWith("</li") || line.startsWith("<p class=")) {
      flushList();
      flushTable();
      out.push(line);
      continue;
    }

    if (line.indexOf("|") !== -1 && line.trim().startsWith("|") && line.trim().endsWith("|")) {
      flushList();
      var cells = line.split("|").slice(1, -1).map(function (c) { return c.trim(); });
      if (cells.length > 0 && cells[0].match(/^:?-+:?$/)) {
        continue;
      }
      inTable = true;
      tableRows.push(cells);
      continue;
    } else {
      flushTable();
    }

    if (line.match(/^---+$/)) {
      flushList();
      out.push("<hr />");
      continue;
    }

    var hMatch = line.match(/^(#{1,6})\s+(.*)$/);
    if (hMatch) {
      flushList();
      var level = hMatch[1].length;
      var titleText = parseInline(hMatch[2]);
      var rawTitle = hMatch[2];
      var id = slugify(rawTitle);
      out.push("<h" + level + ' id="' + id + '">' + titleText + "</h" + level + ">");
      continue;
    }

    var olMatch = line.match(/^\d+\.\s+(.*)$/);
    if (olMatch) {
      if (!inList || listType !== "ol") {
        flushList();
        inList = true;
        listType = "ol";
        out.push("<ol>");
      }
      out.push("<li>" + parseInline(olMatch[1]) + "</li>");
      continue;
    }

    var ulMatch = line.match(/^[-*]\s+(.*)$/);
    if (ulMatch) {
      if (!inList || listType !== "ul") {
        flushList();
        inList = true;
        listType = "ul";
        out.push("<ul>");
      }
      out.push("<li>" + parseInline(ulMatch[1]) + "</li>");
      continue;
    }

    flushList();

    if (line.trim().length === 0) {
      continue;
    }

    if (line.startsWith("> ")) {
      out.push("<blockquote><p>" + parseInline(line.slice(2)) + "</p></blockquote>");
      continue;
    }

    out.push("<p>" + parseInline(line) + "</p>");
  }

  flushList();
  flushTable();
  return out.join("\n");
}

function resolveRoute(pathname) {
  var path = pathname || window.location.pathname;
  if (!path.startsWith("/")) path = "/" + path;
  path = path.replace(/\/+$/, "") || "/";

  if (path === "/") {
    return { tab: SITE_TREE[0], group: { title: "Vyla" }, item: { title: "Home", path: "/" } };
  }

  for (var t = 0; t < SITE_TREE.length; t++) {
    var tab = SITE_TREE[t];
    for (var g = 0; g < tab.groups.length; g++) {
      var grp = tab.groups[g];
      for (var i = 0; i < grp.items.length; i++) {
        var item = grp.items[i];
        var itemPath = item.path.replace(/\/+$/, "") || "/";
        if (itemPath.toLowerCase() === path.toLowerCase()) {
          return { tab: tab, group: grp, item: item };
        }
      }
    }
  }
  return {
    is404: true,
    tab: SITE_TREE[0],
    group: { title: "Error" },
    item: { title: "404 Not Found", path: path }
  };
}

function renderNavTabs(currentTab) {
  var nav = document.getElementById("nav-tabs");
  if (!nav) return;
  nav.innerHTML = SITE_TREE.map(function (tab) {
    var activeClass = tab.id === currentTab.id ? " active" : "";
    return '<a class="tab-link' + activeClass + '" href="' + tab.path + '">' + esc(tab.title) + "</a>";
  }).join("");
}

function renderSidebar(currentTab, currentItem) {
  var sidebar = document.getElementById("sidebar");
  if (!sidebar) return;
  var html = "";
  currentTab.groups.forEach(function (group) {
    html += '<div class="group">';
    html += '<p class="group-title">' + esc(group.title) + "</p>";
    html += "<ul>";
    group.items.forEach(function (item) {
      var activeClass = item.path === currentItem.path ? ' class="active"' : "";
      html += '<li><a' + activeClass + ' href="' + item.path + '">' + esc(item.title) + "</a></li>";
    });
    html += "</ul></div>";
  });
  sidebar.innerHTML = html;
  buildMobileBar(currentTab, currentItem);
}

function buildMobileBar(currentTab, currentItem) {
  var oldBar = document.getElementById("mobile-bar");
  if (oldBar) oldBar.remove();

  var headerContainer = document.getElementById("header-container") || document.getElementById("navbar");
  if (!headerContainer) return;

  var route = resolveRoute(window.location.pathname);
  var bar = document.createElement("div");
  bar.id = "mobile-bar";
  bar.innerHTML =
    '<button id="mobile-toggle" type="button" aria-label="Toggle navigation" onclick="toggleSidebar()">' + icon("menu") + '</button>' +
    '<div class="mobile-crumbs">' +
    '<span class="crumb-group">' + esc(route.group.title) + '</span>' +
    '<span class="crumb-sep">›</span>' +
    '<span class="crumb-page" id="mobile-crumb-page">' + esc(currentItem.title) + '</span>' +
    '<span class="mobile-crumb-sub-btn" id="mobile-crumb-sub" style="display:none;">' +
    '<span class="crumb-sep">›</span>' +
    '<span class="crumb-heading" id="mobile-crumb-target"></span>' +
    '</span>' +
    '</div>';
  if (!document.body.classList.contains("is-home")) headerContainer.appendChild(bar);

  var pageBtn = bar.querySelector("#mobile-crumb-page");
  if (pageBtn) {
    pageBtn.addEventListener("click", function () {
      window.scrollTo({ top: 0, behavior: "smooth" });
    });
  }

  var subBtn = bar.querySelector("#mobile-crumb-sub");
  if (subBtn) {
    subBtn.addEventListener("click", function () {
      var targetId = subBtn.getAttribute("data-target-id");
      var targetEl = targetId ? document.getElementById(targetId) : null;
      if (targetEl) {
        var header = document.getElementById("header-container") || document.getElementById("navbar");
        var offset = header ? header.offsetHeight + 16 : 80;
        var topPos = targetEl.getBoundingClientRect().top + window.pageYOffset - offset;
        window.scrollTo({ top: Math.max(0, topPos), behavior: "smooth" });
      }
    });
  }

  var sidebar = document.getElementById("sidebar");
  if (sidebar) {
    var existingTabs = sidebar.querySelector(".mobile-tabs");
    if (existingTabs) existingTabs.remove();

    var g = document.createElement("div");
    g.className = "mobile-tabs";
    g.innerHTML =
      '<button type="button" class="mt-btn" aria-expanded="false"><span>' + esc(currentTab.title) + "</span>" + icon("chevron") + "</button>" +
      '<div class="mt-menu">' + SITE_TREE.map(function (t) {
        var onClass = t.id === currentTab.id ? " on" : "";
        return '<button type="button" class="mt-item' + onClass + '" data-tab-id="' + t.id + '"><span>' + esc(t.title) + "</span>" + icon("check") + "</button>";
      }).join("") + "</div>";
    sidebar.insertBefore(g, sidebar.firstChild);

    g.querySelector(".mt-btn").addEventListener("click", function () {
      g.classList.toggle("open");
    });

    g.querySelectorAll(".mt-item").forEach(function (btn) {
      btn.addEventListener("click", function (e) {
        e.stopPropagation();
        var targetId = btn.getAttribute("data-tab-id");
        var targetTab = SITE_TREE.find(function (t) { return t.id === targetId; });
        if (targetTab) {
          g.querySelectorAll(".mt-item").forEach(function (el) { el.classList.remove("on"); });
          btn.classList.add("on");
          g.classList.remove("open");
          renderSidebar(targetTab, currentItem);
          sidebar.scrollTop = 0;
        }
      });
    });

    document.addEventListener("click", function (e) {
      if (!g.contains(e.target)) g.classList.remove("open");
    });
  }

  var existingHead = sidebar.querySelector(".side-head");
  if (existingHead) existingHead.remove();

  var head = document.createElement("div");
  head.className = "side-head";
  var brand = document.querySelector("#navbar .brand");
  if (brand && sidebar) {
    var b = brand.cloneNode(true);
    b.querySelector("img").removeAttribute("id");

    var sideLinks = document.createElement("div");
    sideLinks.className = "side-links";

    var gear = document.createElement("button");
    gear.type = "button";
    gear.className = "side-settings";
    gear.setAttribute("aria-label", "Personalize");
    gear.innerHTML = icon("sliders");
    gear.addEventListener("click", function () {
      sidebar.classList.remove("open");
      document.body.classList.remove("nav-open");
      openSettings();
    });

    sideLinks.appendChild(gear);
    head.appendChild(b);
    head.appendChild(sideLinks);
    sidebar.insertBefore(head, sidebar.firstChild);
  }
}

function updateFooterNav(currentItem) {
  var allItems = [];
  SITE_TREE.forEach(function (tab) {
    tab.groups.forEach(function (grp) {
      grp.items.forEach(function (itm) {
        allItems.push(itm);
      });
    });
  });

  var idx = allItems.findIndex(function (it) {
    return it.path.replace(/\/+$/, "") === currentItem.path.replace(/\/+$/, "");
  });

  var prev = idx > 0 ? allItems[idx - 1] : null;
  var next = idx >= 0 && idx < allItems.length - 1 ? allItems[idx + 1] : null;

  var prevBtn = document.getElementById("footer-prev");
  var nextBtn = document.getElementById("footer-next");

  if (prevBtn) {
    if (prev) {
      prevBtn.href = prev.path;
      prevBtn.innerHTML = icon("chevronLeft") + "<span>" + esc(prev.title) + "</span>";
      prevBtn.classList.remove("hidden");
    } else {
      prevBtn.classList.add("hidden");
    }
  }

  if (nextBtn) {
    if (next) {
      nextBtn.href = next.path;
      nextBtn.innerHTML = "<span>" + esc(next.title) + "</span>" + icon("chevronRight");
      nextBtn.classList.remove("hidden");
    } else {
      nextBtn.classList.add("hidden");
    }
  }
}

function updateToc() {
  var main = document.getElementById("main-content");
  var tocList = document.getElementById("toc-list");
  if (!main || !tocList) return;
  var headings = main.querySelectorAll("h2");
  var html = "";
  headings.forEach(function (h) {
    var id = h.id || h.textContent.toLowerCase().replace(/[^a-z0-9]+/g, "-");
    h.id = id;
    html += '<li><a href="#' + id + '">' + esc(h.textContent) + "</a></li>";
  });
  tocList.innerHTML = html;
  initTocSpy();
}

function initTocSpy() {
  var main = document.getElementById("main-content");
  var links = Array.prototype.slice.call(document.querySelectorAll("aside#toc a"));
  var headings = main ? Array.prototype.slice.call(main.querySelectorAll("h2, h3")) : [];

  function update() {
    var activeHeading = null;
    headings.forEach(function (h) {
      if (h.getBoundingClientRect().top <= 160) {
        activeHeading = h;
      }
    });

    if (links.length) {
      var activeId = activeHeading ? activeHeading.id : "";
      links.forEach(function (a) {
        var href = a.getAttribute("href").replace(/^#/, "");
        a.classList.toggle("active", href === activeId);
      });
    }

    var crumbPage = document.getElementById("mobile-crumb-page");
    var crumbSub = document.getElementById("mobile-crumb-sub");
    var crumbTarget = document.getElementById("mobile-crumb-target");

    if (crumbPage && crumbSub && crumbTarget) {
      if (activeHeading && window.scrollY > 80) {
        crumbPage.classList.add("muted");
        crumbSub.style.display = "inline-flex";
        crumbSub.setAttribute("data-target-id", activeHeading.id);
        crumbTarget.textContent = activeHeading.textContent;
      } else {
        crumbPage.classList.remove("muted");
        crumbSub.style.display = "none";
        crumbSub.removeAttribute("data-target-id");
        crumbTarget.textContent = "";
      }
    }
  }

  window.addEventListener("scroll", update, { passive: true });
  update();
}

function addCopyButtons() {
  document.querySelectorAll(".code-group").forEach(function (cg) {
    if (cg.querySelector(".cg-copy-btn")) return;
    var b = document.createElement("button");
    b.type = "button";
    b.className = "cg-copy-btn";
    b.setAttribute("aria-label", "Copy");
    b.innerHTML = icon("copy");
    b.onclick = function () {
      var activePre = cg.querySelector(".code-group-panel.active pre");
      if (!activePre) return;
      navigator.clipboard.writeText(activePre.innerText).then(function () {
        b.innerHTML = icon("check");
        setTimeout(function () { b.innerHTML = icon("copy"); }, 1500);
      });
    };
    cg.appendChild(b);
  });

  document.querySelectorAll("main.prose pre").forEach(function (pre) {
    if (pre.closest(".code-group")) return;
    if (pre.parentNode.classList.contains("code-wrap") && pre.parentNode.querySelector(".copy-btn")) return;
    var wrap = pre.parentNode.classList.contains("code-wrap") ? pre.parentNode : document.createElement("div");
    if (!pre.parentNode.classList.contains("code-wrap")) {
      wrap.className = "code-wrap";
      pre.parentNode.insertBefore(wrap, pre);
      wrap.appendChild(pre);
    }
    var b = document.createElement("button");
    b.type = "button";
    b.className = "copy-btn";
    b.setAttribute("aria-label", "Copy");
    b.innerHTML = icon("copy");
    b.onclick = function () {
      navigator.clipboard.writeText(pre.innerText).then(function () {
        b.innerHTML = icon("check");
        setTimeout(function () { b.innerHTML = icon("copy"); }, 1500);
      });
    };
    wrap.appendChild(b);
  });
}

function bindScrollFade(box, getScroller) {
  function update() {
    var el = getScroller();
    var max = el.scrollWidth - el.clientWidth;
    var left = 0;
    var right = 0;
    if (max > 1) {
      left = Math.min(el.scrollLeft, 56);
      right = Math.min(Math.max(Math.round(max - el.scrollLeft), 0), 56);
    }
    box.style.setProperty("--fade-l", left + "px");
    box.style.setProperty("--fade-r", right + "px");
  }
  box.addEventListener("scroll", update, true);
  window.addEventListener("resize", update);
  update();
}

function initCodeFades() {
  document.querySelectorAll("main.prose pre").forEach(function (pre) {
    var code = pre.querySelector("code");
    bindScrollFade(pre, function () {
      return code && code.scrollWidth > code.clientWidth + 1 ? code : pre;
    });
  });
}

function wrapTables() {
  document.querySelectorAll("main.prose table").forEach(function (table) {
    if (table.parentNode.classList.contains("table-wrap")) {
      bindScrollFade(table.parentNode, function () { return table.parentNode; });
    }
  });
}

function navigateTo(path) {
  var cleanPath = path.startsWith("/") ? path : "/" + path;
  if (window.location.pathname !== cleanPath) {
    window.history.pushState(null, "", cleanPath);
  }
  loadPage();
}

function mountGreeting(root) {
  var content = root.querySelector(".header-content");
  var title = root.querySelector(".header-title");
  if (!content || !title) return;
  var name = getPref("name", "");
  var copy = THEME_COPY[resolveTheme(getThemeMode())] || THEME_COPY.base;
  var pill = document.createElement("div");
  pill.className = "hero-greeting";
  pill.textContent = timeGreeting() + (name ? ", " + name : "") + (copy.greeting ? " · " + copy.greeting : "");
  content.insertBefore(pill, title);
  var last = null;
  try { last = JSON.parse(localStorage.getItem("vyla-last")); } catch (e) { }
  var actions = root.querySelector(".header-actions");
  if (actions && last && typeof last.path === "string" && last.path.charAt(0) === "/" && last.path.indexOf("//") !== 0) {
    var resume = document.createElement("a");
    resume.className = "btn-secondary hero-resume";
    resume.href = last.path;
    resume.textContent = "Continue: " + (last.title || last.path);
    actions.appendChild(resume);
  }
}

function updatePageSEO(route, mdContent) {
  var isHome = !route || !route.item || route.item.path === "/";
  var canonicalLink = document.querySelector('link[rel="canonical"]');
  var metaDesc = document.querySelector('meta[name="description"]');
  var ogTitle = document.querySelector('meta[property="og:title"]');
  var ogDesc = document.querySelector('meta[property="og:description"]');
  var ogUrl = document.querySelector('meta[property="og:url"]');
  var twTitle = document.querySelector('meta[name="twitter:title"]');
  var twDesc = document.querySelector('meta[name="twitter:description"]');

  if (isHome) {
    var homeTitle = "Vyla Entertainment - Free & Decentralized Media Platform";
    var homeDesc = "Vyla Entertainment is a community-built, decentralized media platform and developer ecosystem. Featuring native client apps for Desktop, Mobile, and Android TV, a scraping SDK, and a self-hosted Stream API.";
    var homeUrl = "https://vyla.cc/";

    document.title = homeTitle;
    if (canonicalLink) canonicalLink.setAttribute("href", homeUrl);
    if (metaDesc) metaDesc.setAttribute("content", homeDesc);
    if (ogTitle) ogTitle.setAttribute("content", homeTitle);
    if (ogDesc) ogDesc.setAttribute("content", homeDesc);
    if (ogUrl) ogUrl.setAttribute("content", homeUrl);
    if (twTitle) twTitle.setAttribute("content", homeTitle);
    if (twDesc) twDesc.setAttribute("content", homeDesc);

    var dynJson = document.getElementById("dynamic-jsonld");
    if (dynJson) dynJson.remove();
    return;
  }

  var pageTitle = route.item.title + " - Vyla Docs";
  document.title = pageTitle;

  var pageUrl = "https://vyla.cc" + route.item.path;
  if (canonicalLink) canonicalLink.setAttribute("href", pageUrl);
  if (ogUrl) ogUrl.setAttribute("content", pageUrl);
  if (ogTitle) ogTitle.setAttribute("content", pageTitle);
  if (twTitle) twTitle.setAttribute("content", pageTitle);

  var desc = "";
  if (mdContent) {
    var descMatch = mdContent.match(/<p class="page-description">([\s\S]*?)<\/p>/i);
    if (descMatch) {
      desc = descMatch[1].replace(/<[^>]+>/g, "").trim();
    } else {
      var pMatch = mdContent.match(/^(?:#+[^\n]*\n+)+([^\n#<][^\n]+)/m);
      if (pMatch) {
        desc = pMatch[1].replace(/\[([^\]]+)\]\([^)]+\)/g, "$1").trim();
      }
    }
  }
  if (!desc) {
    desc = route.item.title + " guide and developer documentation for the Vyla Ecosystem.";
  }

  if (metaDesc) metaDesc.setAttribute("content", desc);
  if (ogDesc) ogDesc.setAttribute("content", desc);
  if (twDesc) twDesc.setAttribute("content", desc);

  var dynScript = document.getElementById("dynamic-jsonld");
  if (!dynScript) {
    dynScript = document.createElement("script");
    dynScript.id = "dynamic-jsonld";
    dynScript.type = "application/ld+json";
    document.head.appendChild(dynScript);
  }

  var graph = [
    {
      "@type": "TechArticle",
      "@id": pageUrl + "#article",
      "url": pageUrl,
      "headline": route.item.title,
      "description": desc,
      "inLanguage": "en-US",
      "isPartOf": {
        "@id": "https://vyla.cc/#website"
      },
      "publisher": {
        "@id": "https://vyla.cc/#organization"
      }
    },
    {
      "@type": "BreadcrumbList",
      "@id": pageUrl + "#breadcrumb",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home",
          "item": "https://vyla.cc/"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": route.tab.title,
          "item": "https://vyla.cc" + route.tab.path
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": route.item.title,
          "item": pageUrl
        }
      ]
    }
  ];

  dynScript.textContent = JSON.stringify({
    "@context": "https://schema.org",
    "@graph": graph
  });
}

function loadPage() {
  var path = window.location.pathname.replace(/\/+$/, "") || "/";
  var isHome = path === "/";
  document.body.classList.toggle("is-home", isHome);

  var contentEl = document.getElementById("main-content");

  if (isHome) {
    updatePageSEO(null, null);
    renderNavTabs(SITE_TREE[0]);
    renderSidebar(SITE_TREE[0], { title: "Home", path: "/" });

    if (contentEl) {
      if (contentEl.querySelector(".home-container")) {
        mountGreeting(contentEl);
        applyTheme();
      } else {
        contentEl.classList.remove("content-animate", "caught-up");
        fetch("/home.txt")
          .then(function (res) {
            if (!res.ok) throw new Error();
            return res.text();
          })
          .then(function (html) {
            contentEl.innerHTML = html;
            mountGreeting(contentEl);
            applyTheme();
            window.scrollTo(0, 0);
          })
          .catch(function () {
            contentEl.innerHTML = "<h1>Home</h1><p>Create /home.txt to customize this page.</p>";
          });
      }
    }

    var tocList = document.getElementById("toc-list");
    if (tocList) tocList.innerHTML = "";

    var prevBtn = document.getElementById("footer-prev");
    var nextBtn = document.getElementById("footer-next");
    if (prevBtn) prevBtn.classList.add("hidden");
    if (nextBtn) nextBtn.classList.add("hidden");

    var sidebar = document.getElementById("sidebar");
    if (sidebar && sidebar.classList.contains("open")) {
      sidebar.classList.remove("open");
      document.body.classList.remove("nav-open");
    }
    return;
  }

  var route = resolveRoute(window.location.pathname);
  renderNavTabs(route.tab);
  renderSidebar(route.tab, route.item);
  document.body.classList.remove("is-404");

  var contentEl = document.getElementById("main-content");

  if (route.is404) {
    document.body.classList.add("is-404");
    document.title = "404 - Page Not Found - Vyla";

    if (contentEl) {
      contentEl.classList.remove("content-animate");
      contentEl.innerHTML =
        '<div class="error-container">' +
        '  <div class="error-code">404</div>' +
        '  <div class="error-title">PAGE NOT FOUND</div>' +
        '  <p class="error-desc">' + esc(notFoundCopy()) + '</p>' +
        '  <a href="/" class="btn-home">Take me home</a>' +
        '</div>';

      var tocList = document.getElementById("toc-list");
      if (tocList) tocList.innerHTML = "";
      var prevBtn = document.getElementById("footer-prev");
      var nextBtn = document.getElementById("footer-next");
      if (prevBtn) prevBtn.classList.add("hidden");
      if (nextBtn) nextBtn.classList.add("hidden");
      window.scrollTo(0, 0);
    }
    var sidebar = document.getElementById("sidebar");
    if (sidebar && sidebar.classList.contains("open")) {
      sidebar.classList.remove("open");
      document.body.classList.remove("nav-open");
    }
    return;
  }

  if (contentEl) {
    contentEl.classList.remove("content-animate");
    contentEl.innerHTML =
      '<div class="skeleton-wrap" aria-hidden="true">' +
      '<div class="skeleton-line skeleton-eyebrow"></div>' +
      '<div class="skeleton-line skeleton-title"></div>' +
      '<div class="skeleton-line skeleton-desc"></div>' +
      (route.item.hasMedia ? '<div class="skeleton-media"></div>' : '') +
      '<div class="skeleton-line skeleton-text w-90"></div>' +
      '<div class="skeleton-line skeleton-text w-100"></div>' +
      '<div class="skeleton-line skeleton-text w-75"></div>' +
      '<div class="skeleton-line skeleton-text w-85"></div>' +
      '</div>';
  }

  fetch(route.item.file)
    .then(function (res) {
      var ctype = res.headers.get("content-type") || "";
      if (!res.ok || ctype.indexOf("text/html") !== -1) throw new Error("Not found");
      return res.text();
    })
    .then(function (md) {
      if (contentEl) {
        updatePageSEO(route, md);
        var hasApiToken = md.indexOf("YOUR_API_URL") !== -1;
        contentEl.innerHTML = parseMarkdown(personalize(md));

        if (window.Prism) {
          window.Prism.highlightAllUnder(contentEl);
        }

        var eyebrow = document.createElement("div");
        eyebrow.className = "eyebrow";
        var eyebrowText = document.createElement("span");
        eyebrowText.textContent = route.group.title;
        eyebrow.appendChild(eyebrowText);
        eyebrow.appendChild(buildBookmarkButton(route));
        var h1 = contentEl.querySelector("h1");
        if (h1) h1.parentNode.insertBefore(eyebrow, h1);

        contentEl.classList.remove("caught-up");
        contentEl.classList.add("content-animate");
        revealThemeAmbient();

        var catchUpOnScroll = function () {
          if (contentEl.classList.contains("content-animate")) {
            contentEl.classList.add("caught-up");
          }
          window.removeEventListener("scroll", catchUpOnScroll, { passive: true });
          window.removeEventListener("wheel", catchUpOnScroll, { passive: true });
          window.removeEventListener("touchmove", catchUpOnScroll, { passive: true });
        };

        window.addEventListener("scroll", catchUpOnScroll, { passive: true });
        window.addEventListener("wheel", catchUpOnScroll, { passive: true });
        window.addEventListener("touchmove", catchUpOnScroll, { passive: true });

        setTimeout(function () {
          contentEl.classList.add("caught-up");
          window.removeEventListener("scroll", catchUpOnScroll);
          window.removeEventListener("wheel", catchUpOnScroll);
          window.removeEventListener("touchmove", catchUpOnScroll);
        }, 700);

        updateFooterNav(route.item);
        updateToc();
        addCopyButtons();
        initCodeFades();
        wrapTables();
        resolveLatestDownloads();
        if (hasApiToken) insertApiCard();
        renderChangelog();
        renderContributors();
        if (typeof renderDonationLeaderboard === "function") renderDonationLeaderboard();
        rememberPage(route);

        if (window.location.hash) {
          var hashId = window.location.hash.slice(1);
          var hashEl = document.getElementById(hashId);
          if (hashEl) {
            var header = document.getElementById("header-container") || document.getElementById("navbar");
            var offset = header ? header.offsetHeight + 16 : 80;
            var topPos = hashEl.getBoundingClientRect().top + window.pageYOffset - offset;
            window.scrollTo({ top: Math.max(0, topPos), behavior: "smooth" });
          } else {
            window.scrollTo(0, 0);
          }
        } else {
          window.scrollTo(0, 0);
        }
      }
    })
    .catch(function () {
      if (contentEl) {
        contentEl.innerHTML = "<h1>Page not found</h1><p>The requested page could not be located.</p>";
      }
    });

  var sidebar = document.getElementById("sidebar");
  if (sidebar && sidebar.classList.contains("open")) {
    sidebar.classList.remove("open");
    document.body.classList.remove("nav-open");
  }
}

function getRecent() {
  try { return JSON.parse(localStorage.getItem("vyla-recent")) || []; } catch (e) { return []; }
}

function saveRecent(item) {
  if (!item) return;
  var slim = { title: item.title, crumbs: item.crumbs, href: item.href, type: item.type };
  var list = getRecent().filter(function (r) { return r.href !== slim.href; });
  list.unshift(slim);
  localStorage.setItem("vyla-recent", JSON.stringify(list.slice(0, 5)));
}

function loadSearchData() {
  if (searchData) return Promise.resolve(searchData);
  var promises = [];
  SITE_TREE.forEach(function (tab) {
    tab.groups.forEach(function (group) {
      group.items.forEach(function (item) {
        promises.push(
          fetch(item.file)
            .then(function (r) { return r.text(); })
            .then(function (text) {
              return {
                title: item.title,
                crumbs: [tab.title, group.title, item.title],
                href: item.path,
                type: "page",
                text: text.replace(/[#*`[\]()]/g, " ").slice(0, 3000)
              };
            })
            .catch(function () { return null; })
        );
      });
    });
  });
  return Promise.all(promises).then(function (results) {
    searchData = results.filter(Boolean);
    return searchData;
  });
}

function renderSearch(keepActive) {
  var q = document.getElementById("search-input").value.trim().toLowerCase();
  var tokens = q.split(/\s+/).filter(Boolean);
  var box = document.getElementById("search-results");
  if (!keepActive) searchActive = 0;

  if (tokens.length) {
    if (!searchData) {
      searchResults = [];
      box.innerHTML = '<div class="search-label">Indexing pages...</div>';
      return;
    }
    searchResults = searchData
      .map(function (it) {
        var score = 0;
        var t = it.title.toLowerCase();
        var txt = it.text.toLowerCase();
        tokens.forEach(function (tok) {
          if (t.indexOf(tok) !== -1) score += 20;
          if (txt.indexOf(tok) !== -1) score += 2;
        });
        return { it: it, s: score };
      })
      .filter(function (r) { return r.s > 0; })
      .sort(function (a, b) { return b.s - a.s; })
      .slice(0, 10)
      .map(function (r) { return r.it; });
  } else {
    var saved = getBookmarks();
    var recent = getRecent().filter(function (r) {
      return !saved.some(function (s) { return s.href === r.href; });
    });
    savedCount = saved.length;
    searchResults = saved.concat(recent);
  }

  if (!searchResults.length) {
    box.innerHTML = '<div class="search-label">' + (tokens.length ? "No results found" : "Nothing saved or recent yet") + "</div>";
    return;
  }

  box.innerHTML = searchResults.map(function (it, i) {
    var label = "";
    if (!tokens.length && i === 0 && savedCount) label = '<div class="search-label">Saved</div>';
    if (!tokens.length && i === savedCount) label = '<div class="search-label">Recent searches</div>';
    var crumbs = it.crumbs.join('<span class="sep">›</span>');
    return label + '<a class="sr' + (i === searchActive ? " on" : "") + '" href="' + it.href + '" data-i="' + i + '">' +
      icon(i < savedCount && !tokens.length ? "star" : "doc") +
      '<div class="sr-body"><div class="t">' + esc(it.title) + "</div>" +
      '<div class="p">' + crumbs + "</div></div></a>";
  }).join("");
}

function openSearch() {
  var input = document.getElementById("search-input");
  document.getElementById("search-modal").classList.add("open");
  document.body.style.overflow = "hidden";
  input.value = "";
  renderSearch(false);
  loadSearchData().then(function () { renderSearch(false); });
  input.focus();
}

function closeSearch() {
  document.getElementById("search-modal").classList.remove("open");
  document.body.style.overflow = "";
}

function onSearchKey(e) {
  if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === "k") {
    e.preventDefault();
    openSearch();
    return;
  }
  var modal = document.getElementById("search-modal");
  if (!modal || !modal.classList.contains("open")) return;
  if (e.key === "Escape") {
    closeSearch();
  } else if (e.key === "ArrowDown" || e.key === "ArrowUp") {
    e.preventDefault();
    var n = searchResults.length || 1;
    searchActive = (searchActive + (e.key === "ArrowDown" ? 1 : -1) + n) % n;
    renderSearch(true);
  } else if (e.key === "Enter" && searchResults[searchActive]) {
    var item = searchResults[searchActive];
    saveRecent(item);
    closeSearch();
    navigateTo(item.href);
  }
}

function buildSearch() {
  var trigger = document.getElementById("search-trigger");
  if (trigger) {
    trigger.innerHTML = icon("search") + "<span>Search...</span><kbd>Ctrl K</kbd>";
    trigger.setAttribute("aria-label", "Search... (Ctrl+K)");
  }
  var modal = document.createElement("div");
  modal.id = "search-modal";
  modal.innerHTML =
    '<div class="search-backdrop"></div><div class="search-panel"><div class="search-input-row">' + icon("search") +
    '<input id="search-input" type="text" placeholder="Search..." autocomplete="off" spellcheck="false"></div>' +
    '<div id="search-results"></div><div class="search-footer"><span><kbd>↑</kbd><kbd>↓</kbd>Select</span><span><kbd>↵</kbd>Open</span><span class="close-hint"><kbd>esc</kbd>Close</span></div></div>';
  document.body.appendChild(modal);
  modal.querySelector(".search-backdrop").addEventListener("click", closeSearch);
  document.getElementById("search-input").addEventListener("input", function () { renderSearch(false); });
  document.getElementById("search-results").addEventListener("click", function (e) {
    var a = e.target.closest(".sr");
    if (a) {
      e.preventDefault();
      saveRecent(searchResults[Number(a.getAttribute("data-i"))]);
      closeSearch();
      navigateTo(a.getAttribute("href"));
    }
  });
  document.addEventListener("keydown", onSearchKey);
}

var lightboxScale = 1;
var activeOriginImg = null;

function bindLightboxClicks() {
  document.addEventListener("click", function (e) {
    if (!(e.target instanceof HTMLImageElement)) return;
    var img = e.target;
    if (!img.closest("main.prose")) return;
    if (img.closest("a")) return;
    e.preventDefault();
    openLightbox(img);
  });
}

function initLightbox() {
  if (document.getElementById("image-lightbox")) return;
  var lb = document.createElement("div");
  lb.id = "image-lightbox";
  lb.className = "image-lightbox";
  lb.innerHTML =
    '<div class="lightbox-controls">' +
    '<button type="button" class="lightbox-btn lb-zoom-out" aria-label="Zoom out">' +
    '<svg viewBox="0 -0.5 21 21" width="16" height="16" fill="currentColor"><g transform="translate(-3, -320)"><path d="M8.37269901,326.967331 L14.8199378,326.967331 C15.4130838,326.967331 15.8944776,327.416448 15.8944776,327.969825 C15.8944776,328.523201 15.4130838,328.972319 14.8199378,328.972319 L8.37269901,328.972319 C7.77955304,328.972319 7.29815921,328.523201 7.29815921,327.969825 C7.29815921,327.416448 7.77955304,326.967331 8.37269901,326.967331 Z M23.6848912,338.288493 C24.1050363,338.679465 24.1050363,339.315046 23.6848912,339.706019 L23.6848912,339.706019 C23.2647461,340.097994 22.5845624,340.097994 22.1654919,339.706019 L17.7888913,335.746169 L19.3082906,334.328642 L23.6848912,338.288493 Z M11.5963184,334.034912 C8.04174075,334.034912 5.14907961,331.337201 5.14907961,328.01995 C5.14907961,324.7037 8.04174075,322.004987 11.5963184,322.004987 C15.1508961,322.004987 18.0435572,324.7037 18.0435572,328.01995 C18.0435572,331.337201 15.1508961,334.034912 11.5963184,334.034912 Z M11.5963184,320 C6.84900157,320 3,323.590932 3,328.01995 C3,332.449969 6.84900157,336.039899 11.5963184,336.039899 C16.3436353,336.039899 20.1926368,332.449969 20.1926368,328.01995 C20.1926368,323.590932 16.3436353,320 11.5963184,320 Z"></path></g></svg>' +
    '</button>' +
    '<button type="button" class="lightbox-btn lb-zoom-in" aria-label="Zoom in">' +
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    '</button>' +
    '<button type="button" class="lightbox-btn lb-close" aria-label="Close">' +
    '<svg viewBox="0 0 1024 1024" width="13" height="13" fill="currentColor"><path d="M195.2 195.2a64 64 0 0 1 90.496 0L512 421.504 738.304 195.2a64 64 0 0 1 90.496 90.496L602.496 512 828.8 738.304a64 64 0 0 1-90.496 90.496L512 602.496 285.696 828.8a64 64 0 0 1-90.496-90.496L421.504 512 195.2 285.696a64 64 0 0 1 0-90.496z"></path></svg>' +
    '</button>' +
    '</div>' +
    '<img class="lightbox-img" src="" alt="" />';
  document.body.appendChild(lb);

  var img = lb.querySelector(".lightbox-img");
  var btnClose = lb.querySelector(".lb-close");
  var btnIn = lb.querySelector(".lb-zoom-in");
  var btnOut = lb.querySelector(".lb-zoom-out");

  function closeLb() {
    if (!lb.classList.contains("active")) return;
    lb.classList.remove("active");
    lightboxScale = 1;
    img.style.transform = "none";

    if (activeOriginImg) {
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      img.style.top = rect.top + "px";
      img.style.left = rect.left + "px";
      img.style.width = rect.width + "px";
      img.style.height = rect.height + "px";
      img.style.borderRadius = "16px";
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    document.body.style.overflow = "";

    setTimeout(function () {
      if (!lb.classList.contains("active")) {
        img.src = "";
        activeOriginImg = null;
      }
    }, 450);
  }

  function setScale(s) {
    lightboxScale = Math.min(Math.max(0.5, s), 3);
    img.style.transform = "scale(" + lightboxScale + ")";
  }

  btnClose.addEventListener("click", closeLb);
  lb.addEventListener("click", function (e) {
    if (e.target === lb) closeLb();
  });

  btnIn.addEventListener("click", function (e) {
    e.stopPropagation();
    setScale(lightboxScale + 0.25);
  });

  btnOut.addEventListener("click", function (e) {
    e.stopPropagation();
    setScale(lightboxScale - 0.25);
  });

  window.addEventListener("keydown", function (e) {
    if (lb.classList.contains("active")) {
      if (e.key === "Escape") closeLb();
      else if (e.key === "+" || e.key === "=") setScale(lightboxScale + 0.25);
      else if (e.key === "-") setScale(lightboxScale - 0.25);
    }
  });
}

function openLightbox(originImg) {
  initLightbox();
  var lb = document.getElementById("image-lightbox");
  var img = lb.querySelector(".lightbox-img");
  activeOriginImg = originImg;

  var rect = originImg.getBoundingClientRect();
  img.style.transition = "none";
  img.style.top = rect.top + "px";
  img.style.left = rect.left + "px";
  img.style.width = rect.width + "px";
  img.style.height = rect.height + "px";
  img.style.borderRadius = "16px";
  img.style.transform = "none";
  img.src = originImg.src;
  img.alt = originImg.alt || "";
  lightboxScale = 1;

  lb.classList.add("active");
  document.body.style.overflow = "hidden";

  void img.offsetWidth;

  var naturalW = originImg.naturalWidth || rect.width;
  var naturalH = originImg.naturalHeight || rect.height;
  var maxW = window.innerWidth * 0.92;
  var maxH = window.innerHeight * 0.88;
  var ratio = Math.min(maxW / naturalW, maxH / naturalH, 1);
  if (ratio <= 0) ratio = 1;

  var targetW = naturalW * ratio;
  var targetH = naturalH * ratio;
  var targetTop = (window.innerHeight - targetH) / 2;
  var targetLeft = (window.innerWidth - targetW) / 2;

  img.style.transition = "";
  img.style.top = targetTop + "px";
  img.style.left = targetLeft + "px";
  img.style.width = targetW + "px";
  img.style.height = targetH + "px";
  img.style.borderRadius = "14px";
}

function initContribSheet() {
  if (localStorage.getItem("vyla-contrib-dismissed") === "true") return;

  var overlay = document.createElement("div");
  overlay.className = "sheet-overlay";
  overlay.innerHTML =

    '<div class="sheet-backdrop"></div>' +
    '<div class="sheet-panel">' +
    '<div class="sheet-handle-bar"><div class="sheet-handle"></div></div>' +
    '<h3 class="sheet-title">Source Removal Requests</h3>' +
    '<p class="sheet-desc">If your source is listed here, I sincerely apologize. I understand that its inclusion may be costing you a lot of money, and that was never my intention. Please contact me as soon as possible, and I\'ll remove it ASAP.</p>' +
    '<p class="sheet-desc">This is a small hobby project that I built for learning and personal interest, not for profit. I genuinely want to respect the wishes of source owners and will address any removal requests as quickly as I can.</p>' +
    '<div class="sheet-actions">' +
    '<a href="https://discord.com/users/1354418847586848909" class="sheet-btn-primary">Contact Me</a>' +
    '<button type="button" class="sheet-btn-never">Don\'t show again</button>' +
    '</div>' +
    '</div>';

  document.body.appendChild(overlay);

  var panel = overlay.querySelector(".sheet-panel");
  var backdrop = overlay.querySelector(".sheet-backdrop");
  var neverBtn = overlay.querySelector(".sheet-btn-never");
  var guideLink = overlay.querySelector(".sheet-btn-primary");
  var handleBar = overlay.querySelector(".sheet-handle-bar");

  function openSheet() {
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  }

  function closeSheet() {
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    document.body.style.overflow = "";
    setTimeout(function () {
      if (overlay.parentNode) overlay.parentNode.removeChild(overlay);
    }, 400);
  }

  function dismissForever() {
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    closeSheet();
  }

  backdrop.addEventListener("click", closeSheet);
  neverBtn.addEventListener("click", dismissForever);
  guideLink.addEventListener("click", closeSheet);

  var isDragging = false;
  var startY = 0;
  var currentY = 0;
  var currentTranslate = 0;

  function getSnapOffsets() {
    var panelH = panel.offsetHeight;
    return [0, panelH * 0.35, panelH * 0.65];
  }

  handleBar.addEventListener("touchstart", function (e) {
    if (window.innerWidth > 900) return;
    isDragging = true;
    startY = e.touches[0].clientY;
    currentY = startY;
    panel.classList.add("dragging");
  }, { passive: true });

  window.addEventListener("touchmove", function (e) {
    if (!isDragging || window.innerWidth > 900) return;
    currentY = e.touches[0].clientY;
    var delta = currentY - startY;
    var val = Math.max(0, currentTranslate + delta);
    panel.style.transform = "translateY(" + val + "px)";
  }, { passive: true });

  window.addEventListener("touchend", function () {
    if (!isDragging || window.innerWidth > 900) return;
    isDragging = false;
    panel.classList.remove("dragging");

    var delta = currentY - startY;
    var finalOffset = currentTranslate + delta;

    if (delta > 110 || finalOffset > panel.offsetHeight * 0.7) {
      panel.style.transform = "translateY(100%)";
      closeSheet();
      return;
    }

    var snaps = getSnapOffsets();
    var closest = snaps.reduce(function (prev, curr) {
      return Math.abs(curr - finalOffset) < Math.abs(prev - finalOffset) ? curr : prev;
    }, 0);

    currentTranslate = closest;
    panel.style.transform = "translateY(" + closest + "px)";
  });

  setTimeout(openSheet, 400);
}

document.addEventListener("DOMContentLoaded", function () {
  if (localStorage.getItem("vyla-banner-dismissed") === "true") {
    var banner = document.getElementById("banner");
    if (banner) banner.setAttribute("data-dismissed", "true");
    document.body.classList.add("banner-dismissed");
  }

  var header = document.getElementById("header-container");
  if (header) {
    requestAnimationFrame(function () {
      document.documentElement.style.setProperty("--header-height", header.offsetHeight + "px");
    });
    window.addEventListener("resize", function () {
      requestAnimationFrame(function () {
        document.documentElement.style.setProperty("--header-height", header.offsetHeight + "px");
      });
    });
  }

  applyTheme();
  buildThemeControls();
  buildSearch();
  buildSettings();
  initEasterEggs();
  initContribSheet();
  bindLightboxClicks();
  loadPage();

  window.addEventListener("popstate", loadPage);
});