First commit

13 files changed, 835 insertions, 0 deletions

diff --git a/assets/js/includes.js b/assets/js/includes.js
new file mode 100644
index 0000000..4af99f4
--- /dev/null
+++ b/assets/js/includes.js
@@ -0,0 +1,32 @@
+(async function () {
+  async function loadInto(selector, url) {
+    const mount = document.querySelector(selector);
+    if (!mount) return;
+
+    try {
+      const res = await fetch(url);
+      if (!res.ok) throw new Error("HTTP " + res.status);
+      const html = await res.text();
+      mount.innerHTML = html;
+    } catch (e) {
+      // Fail open: if includes fail, keep page usable.
+      // Intentionally no console noise.
+    }
+  }
+
+  // Pages opt-in by including: <div data-include="header"></div>
+  // and/or <div data-include="footer"></div>
+  await Promise.all([
+    loadInto('[data-include="header"]', "/partials/header.html"),
+    loadInto('[data-include="footer"]', "/partials/footer.html"),
+  ]);
+
+  // If a page uses includes, it likely removed the built-in header/footer.
+  // Re-run site.js behaviors after injection.
+  if (document.querySelector('[data-include="header"], [data-include="footer"]')) {
+    const s = document.createElement("script");
+    s.src = "/assets/js/site.js";
+    s.defer = true;
+    document.head.appendChild(s);
+  }
+})();
diff --git a/assets/js/pages/404.js b/assets/js/pages/404.js
new file mode 100644
index 0000000..a97a5b1
--- /dev/null
+++ b/assets/js/pages/404.js
@@ -0,0 +1,5 @@
+(function(){
+      var el = document.getElementById('y');
+      if (!el) return;
+      el.textContent = String(new Date().getFullYear());
+    })();
diff --git a/assets/js/pages/50x.js b/assets/js/pages/50x.js
new file mode 100644
index 0000000..a97a5b1
--- /dev/null
+++ b/assets/js/pages/50x.js
@@ -0,0 +1,5 @@
+(function(){
+      var el = document.getElementById('y');
+      if (!el) return;
+      el.textContent = String(new Date().getFullYear());
+    })();
diff --git a/assets/js/pages/guestbook_jp.js b/assets/js/pages/guestbook_jp.js
new file mode 100644
index 0000000..5f3a055
--- /dev/null
+++ b/assets/js/pages/guestbook_jp.js
@@ -0,0 +1,91 @@
+document.addEventListener("DOMContentLoaded", function () {
+      const form = document.getElementById("guestbook-form");
+      const entriesContainer = document.getElementById("guestbook-entries");
+      const captchaCanvas = document.getElementById("captcha-canvas");
+      const refreshCaptchaButton = document.getElementById("refresh-captcha");
+      const captchaInput = document.getElementById("captcha-input");
+      const GUESTBOOK_KEY = "guestbookEntries";
+
+      let currentCaptcha = "";
+
+      function generateCaptcha() {
+        const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+        let captcha = "";
+        for (let i = 0; i < 6; i++) captcha += chars.charAt(Math.floor(Math.random() * chars.length));
+        return captcha;
+      }
+
+      function drawCaptcha(captcha) {
+        const ctx = captchaCanvas.getContext("2d");
+        ctx.clearRect(0, 0, captchaCanvas.width, captchaCanvas.height);
+        ctx.font = "22px Arial";
+        ctx.fillStyle = "#000";
+        ctx.fillText(captcha, 10, 32);
+      }
+
+      function refreshCaptcha() {
+        currentCaptcha = generateCaptcha();
+        drawCaptcha(currentCaptcha);
+      }
+
+      function formatMessage(message) {
+        return message
+          .split("\n")
+          .map((line) => {
+            if (line.startsWith(">")) return `<span class="anonymous">${line}</span>`;
+            return line;
+          })
+          .join("<br>");
+      }
+
+      function loadEntries() {
+        const entries = JSON.parse(localStorage.getItem(GUESTBOOK_KEY)) || [];
+        entriesContainer.innerHTML = "";
+
+        entries
+          .slice()
+          .reverse()
+          .forEach((entry) => {
+            const entryElement = document.createElement("div");
+            entryElement.className = "entry";
+
+            const nameElement = document.createElement("h4");
+            if (entry.name === "Anonymous") nameElement.className = "anonymous";
+            nameElement.textContent = entry.name;
+            entryElement.appendChild(nameElement);
+
+            const messageElement = document.createElement("p");
+            messageElement.innerHTML = formatMessage(entry.message);
+            entryElement.appendChild(messageElement);
+
+            entriesContainer.appendChild(entryElement);
+          });
+      }
+
+      form.addEventListener("submit", function (event) {
+        event.preventDefault();
+
+        let name = document.getElementById("name").value.trim();
+        if (!name) name = "Anonymous";
+
+        const message = document.getElementById("message").value.trim();
+        const captchaValue = captchaInput.value.trim();
+
+        if (name && message && captchaValue === currentCaptcha) {
+          const entries = JSON.parse(localStorage.getItem(GUESTBOOK_KEY)) || [];
+          entries.push({ name, message });
+          localStorage.setItem(GUESTBOOK_KEY, JSON.stringify(entries));
+
+          form.reset();
+          document.getElementById("name").value = "Anonymous";
+          loadEntries();
+          refreshCaptcha();
+        } else {
+          alert("CAPTCHA is incorrect. Please try again.");
+        }
+      });
+
+      refreshCaptcha();
+      refreshCaptchaButton.addEventListener("click", refreshCaptcha);
+      loadEntries();
+    });
diff --git a/assets/js/pages/guestbook_zh.js b/assets/js/pages/guestbook_zh.js
new file mode 100644
index 0000000..5f3a055
--- /dev/null
+++ b/assets/js/pages/guestbook_zh.js
@@ -0,0 +1,91 @@
+document.addEventListener("DOMContentLoaded", function () {
+      const form = document.getElementById("guestbook-form");
+      const entriesContainer = document.getElementById("guestbook-entries");
+      const captchaCanvas = document.getElementById("captcha-canvas");
+      const refreshCaptchaButton = document.getElementById("refresh-captcha");
+      const captchaInput = document.getElementById("captcha-input");
+      const GUESTBOOK_KEY = "guestbookEntries";
+
+      let currentCaptcha = "";
+
+      function generateCaptcha() {
+        const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+        let captcha = "";
+        for (let i = 0; i < 6; i++) captcha += chars.charAt(Math.floor(Math.random() * chars.length));
+        return captcha;
+      }
+
+      function drawCaptcha(captcha) {
+        const ctx = captchaCanvas.getContext("2d");
+        ctx.clearRect(0, 0, captchaCanvas.width, captchaCanvas.height);
+        ctx.font = "22px Arial";
+        ctx.fillStyle = "#000";
+        ctx.fillText(captcha, 10, 32);
+      }
+
+      function refreshCaptcha() {
+        currentCaptcha = generateCaptcha();
+        drawCaptcha(currentCaptcha);
+      }
+
+      function formatMessage(message) {
+        return message
+          .split("\n")
+          .map((line) => {
+            if (line.startsWith(">")) return `<span class="anonymous">${line}</span>`;
+            return line;
+          })
+          .join("<br>");
+      }
+
+      function loadEntries() {
+        const entries = JSON.parse(localStorage.getItem(GUESTBOOK_KEY)) || [];
+        entriesContainer.innerHTML = "";
+
+        entries
+          .slice()
+          .reverse()
+          .forEach((entry) => {
+            const entryElement = document.createElement("div");
+            entryElement.className = "entry";
+
+            const nameElement = document.createElement("h4");
+            if (entry.name === "Anonymous") nameElement.className = "anonymous";
+            nameElement.textContent = entry.name;
+            entryElement.appendChild(nameElement);
+
+            const messageElement = document.createElement("p");
+            messageElement.innerHTML = formatMessage(entry.message);
+            entryElement.appendChild(messageElement);
+
+            entriesContainer.appendChild(entryElement);
+          });
+      }
+
+      form.addEventListener("submit", function (event) {
+        event.preventDefault();
+
+        let name = document.getElementById("name").value.trim();
+        if (!name) name = "Anonymous";
+
+        const message = document.getElementById("message").value.trim();
+        const captchaValue = captchaInput.value.trim();
+
+        if (name && message && captchaValue === currentCaptcha) {
+          const entries = JSON.parse(localStorage.getItem(GUESTBOOK_KEY)) || [];
+          entries.push({ name, message });
+          localStorage.setItem(GUESTBOOK_KEY, JSON.stringify(entries));
+
+          form.reset();
+          document.getElementById("name").value = "Anonymous";
+          loadEntries();
+          refreshCaptcha();
+        } else {
+          alert("CAPTCHA is incorrect. Please try again.");
+        }
+      });
+
+      refreshCaptcha();
+      refreshCaptchaButton.addEventListener("click", refreshCaptcha);
+      loadEntries();
+    });
diff --git a/assets/js/pages/hitcounter.js b/assets/js/pages/hitcounter.js
new file mode 100644
index 0000000..9c3f888
--- /dev/null
+++ b/assets/js/pages/hitcounter.js
@@ -0,0 +1,16 @@
+function countUniqueVisitors() {
+      const VISITOR_KEY = "uniqueVisitorCount";
+      let visitorCount = localStorage.getItem(VISITOR_KEY);
+      if (!visitorCount) visitorCount = 0;
+
+      const hasVisited = sessionStorage.getItem("hasVisited");
+      if (!hasVisited) {
+        visitorCount++;
+        localStorage.setItem(VISITOR_KEY, visitorCount);
+        sessionStorage.setItem("hasVisited", "true");
+      }
+
+      document.getElementById("visitor-counter").innerText = visitorCount;
+    }
+
+    countUniqueVisitors();
diff --git a/assets/js/pages/hitcounter_jp.js b/assets/js/pages/hitcounter_jp.js
new file mode 100644
index 0000000..9c3f888
--- /dev/null
+++ b/assets/js/pages/hitcounter_jp.js
@@ -0,0 +1,16 @@
+function countUniqueVisitors() {
+      const VISITOR_KEY = "uniqueVisitorCount";
+      let visitorCount = localStorage.getItem(VISITOR_KEY);
+      if (!visitorCount) visitorCount = 0;
+
+      const hasVisited = sessionStorage.getItem("hasVisited");
+      if (!hasVisited) {
+        visitorCount++;
+        localStorage.setItem(VISITOR_KEY, visitorCount);
+        sessionStorage.setItem("hasVisited", "true");
+      }
+
+      document.getElementById("visitor-counter").innerText = visitorCount;
+    }
+
+    countUniqueVisitors();
diff --git a/assets/js/pages/hitcounter_zh.js b/assets/js/pages/hitcounter_zh.js
new file mode 100644
index 0000000..9c3f888
--- /dev/null
+++ b/assets/js/pages/hitcounter_zh.js
@@ -0,0 +1,16 @@
+function countUniqueVisitors() {
+      const VISITOR_KEY = "uniqueVisitorCount";
+      let visitorCount = localStorage.getItem(VISITOR_KEY);
+      if (!visitorCount) visitorCount = 0;
+
+      const hasVisited = sessionStorage.getItem("hasVisited");
+      if (!hasVisited) {
+        visitorCount++;
+        localStorage.setItem(VISITOR_KEY, visitorCount);
+        sessionStorage.setItem("hasVisited", "true");
+      }
+
+      document.getElementById("visitor-counter").innerText = visitorCount;
+    }
+
+    countUniqueVisitors();
diff --git a/assets/js/pages/mstartpage-index.js b/assets/js/pages/mstartpage-index.js
new file mode 100644
index 0000000..db518ab
--- /dev/null
+++ b/assets/js/pages/mstartpage-index.js
@@ -0,0 +1,118 @@
+// Date and time functionality
+        function updateDateRealtime() {
+            const dateElement = document.getElementById("realtime-date");
+            const clockElement = document.getElementById("realtime-clock");
+
+            const days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
+            const months = ["January", "February", "March", "April", "May", "June",
+                "July", "August", "September", "October", "November", "December"];
+
+            const now = new Date();
+
+            // Date parts
+            const dayName = days[now.getDay()];
+            const month = months[now.getMonth()];
+            const dayNumber = now.getDate();
+            const year = now.getFullYear();
+
+            const ordinal = (dayNumber > 3 && dayNumber < 21) ? 'th' :
+                            (dayNumber % 10 === 1) ? 'st' :
+                            (dayNumber % 10 === 2) ? 'nd' :
+                            (dayNumber % 10 === 3) ? 'rd' : 'th';
+
+            dateElement.textContent = `${dayName}, ${month} ${dayNumber}${ordinal}, ${year}.`;
+
+            // Clock parts (12-hour format)
+            let hours = now.getHours();
+            const minutes = now.getMinutes();
+            const seconds = now.getSeconds();
+
+            const period = hours >= 12 ? 'PM' : 'AM';
+            hours = hours % 12 || 12;
+
+            const formattedHours = hours.toString().padStart(2, "0");
+            const formattedMinutes = minutes.toString().padStart(2, "0");
+            const formattedSeconds = seconds.toString().padStart(2, "0");
+
+            clockElement.textContent = `${formattedHours}:${formattedMinutes}:${formattedSeconds} ${period}`;
+        }
+
+        updateDateRealtime();
+        setInterval(updateDateRealtime, 1000);
+
+        // Menu toggle functionality
+        document.getElementById('menu-toggle').addEventListener('click', function() {
+            const menu = document.getElementById('main-menu');
+            menu.classList.toggle('show');
+        });
+
+        // Collapsible sections
+        const collapsibles = document.getElementsByClassName("collapsible");
+        
+        for (let i = 0; i < collapsibles.length; i++) {
+            collapsibles[i].addEventListener("click", function() {
+                this.classList.toggle("active");
+                const content = this.nextElementSibling;
+                if (content.style.display === "block") {
+                    content.style.display = "none";
+                } else {
+                    content.style.display = "block";
+                }
+            });
+        }
+
+        // XXX Verification functionality
+        const xxxToggle = document.getElementById('xxx-toggle');
+        const xxxModal = document.getElementById('xxx-modal');
+        const xxxConfirm = document.getElementById('xxx-confirm');
+        const xxxDeny = document.getElementById('xxx-deny');
+        const xxxList = document.getElementById('xxx-list');
+
+        // Check if already verified
+        let isVerified = localStorage.getItem('xxx-verified') === 'true';
+        let isContentVisible = localStorage.getItem('xxx-visible') === 'true';
+
+        // Initialize based on stored state
+        if (isVerified && isContentVisible) {
+            xxxToggle.textContent = 'Hide XXX Content';
+            xxxList.style.display = 'block';
+        } else if (isVerified && !isContentVisible) {
+            xxxToggle.textContent = 'Show XXX Content';
+            xxxList.style.display = 'none';
+        }
+
+        xxxToggle.addEventListener('click', function() {
+            if (isVerified) {
+                // Toggle visibility if already verified
+                if (xxxList.style.display === 'block') {
+                    // Hide the content
+                    xxxList.style.display = 'none';
+                    xxxToggle.textContent = 'Show XXX Content';
+                    localStorage.setItem('xxx-visible', 'false');
+                } else {
+                    // Show the content
+                    xxxList.style.display = 'block';
+                    xxxToggle.textContent = 'Hide XXX Content';
+                    localStorage.setItem('xxx-visible', 'true');
+                }
+            } else {
+                // Show verification modal if not verified
+                xxxModal.style.display = 'flex';
+            }
+        });
+
+        xxxConfirm.addEventListener('click', function() {
+            // Set verification status
+            isVerified = true;
+            localStorage.setItem('xxx-verified', 'true');
+            localStorage.setItem('xxx-visible', 'true');
+            
+            // Hide modal and show content
+            xxxModal.style.display = 'none';
+            xxxList.style.display = 'block';
+            xxxToggle.textContent = 'Hide XXX Content';
+        });
+
+        xxxDeny.addEventListener('click', function() {
+            xxxModal.style.display = 'none';
+        });
diff --git a/assets/js/pages/test.js b/assets/js/pages/test.js
new file mode 100644
index 0000000..ee1c831
--- /dev/null
+++ b/assets/js/pages/test.js
@@ -0,0 +1,10 @@
+document.getElementById("lastmod").textContent = document.lastModified;
+
+document.getElementById("menu-toggle").addEventListener("click", function() {
+        const sidebar = document.getElementById("mobile-sidebar");
+        sidebar.classList.toggle("visible");
+        if (sidebar.classList.contains("visible")) {
+            sidebar.scrollTop = 0;
+            window.scrollTo(0, 0);
+        }
+    });
diff --git a/assets/js/pages/test_jp.js b/assets/js/pages/test_jp.js
new file mode 100644
index 0000000..ee1c831
--- /dev/null
+++ b/assets/js/pages/test_jp.js
@@ -0,0 +1,10 @@
+document.getElementById("lastmod").textContent = document.lastModified;
+
+document.getElementById("menu-toggle").addEventListener("click", function() {
+        const sidebar = document.getElementById("mobile-sidebar");
+        sidebar.classList.toggle("visible");
+        if (sidebar.classList.contains("visible")) {
+            sidebar.scrollTop = 0;
+            window.scrollTo(0, 0);
+        }
+    });
diff --git a/assets/js/pages/test_zh.js b/assets/js/pages/test_zh.js
new file mode 100644
index 0000000..ee1c831
--- /dev/null
+++ b/assets/js/pages/test_zh.js
@@ -0,0 +1,10 @@
+document.getElementById("lastmod").textContent = document.lastModified;
+
+document.getElementById("menu-toggle").addEventListener("click", function() {
+        const sidebar = document.getElementById("mobile-sidebar");
+        sidebar.classList.toggle("visible");
+        if (sidebar.classList.contains("visible")) {
+            sidebar.scrollTop = 0;
+            window.scrollTo(0, 0);
+        }
+    });
diff --git a/assets/js/site.js b/assets/js/site.js
new file mode 100644
index 0000000..39891b7
--- /dev/null
+++ b/assets/js/site.js
@@ -0,0 +1,415 @@
+(function () {
+  function byId(id) {
+    return document.getElementById(id);
+  }
+
+  const menuBtn = byId("menu-toggle");
+  const nav = byId("site-nav");
+
+  const langToggle = byId("lang-toggle");
+  const langMenu = byId("lang-options");
+  const currentLang = byId("current-lang");
+
+  let openDropdown = null;
+
+  function closeMenu() {
+    if (!menuBtn || !nav) return;
+    menuBtn.classList.remove("active");
+    menuBtn.setAttribute("aria-expanded", "false");
+    nav.hidden = true;
+    if (openDropdown === "menu") openDropdown = null;
+  }
+
+  function closeLang() {
+    if (!langToggle || !langMenu) return;
+    langToggle.setAttribute("aria-expanded", "false");
+    langMenu.hidden = true;
+    if (openDropdown === "lang") openDropdown = null;
+  }
+
+  function toggleMenu(e) {
+    if (!menuBtn || !nav) return;
+    e.stopPropagation();
+
+    if (openDropdown === "lang") closeLang();
+
+    const open = menuBtn.getAttribute("aria-expanded") === "true";
+    if (open) {
+      closeMenu();
+      return;
+    }
+
+    menuBtn.classList.add("active");
+    menuBtn.setAttribute("aria-expanded", "true");
+    nav.hidden = false;
+    openDropdown = "menu";
+  }
+
+  function toggleLang(e) {
+    if (!langToggle || !langMenu) return;
+    e.stopPropagation();
+
+    if (openDropdown === "menu") closeMenu();
+
+    const open = langToggle.getAttribute("aria-expanded") === "true";
+    if (open) {
+      closeLang();
+      return;
+    }
+
+    langToggle.setAttribute("aria-expanded", "true");
+    langMenu.hidden = false;
+    openDropdown = "lang";
+  }
+
+  if (nav) nav.hidden = true;
+  if (langMenu) langMenu.hidden = true;
+
+  if (menuBtn && nav) {
+    menuBtn.addEventListener("click", toggleMenu);
+    nav.addEventListener("click", (e) => e.stopPropagation());
+  }
+
+  if (langToggle && langMenu) {
+    langToggle.addEventListener("click", toggleLang);
+    langMenu.addEventListener("click", (e) => e.stopPropagation());
+  }
+
+  if ((menuBtn && nav) || (langToggle && langMenu)) {
+    document.addEventListener("click", function (e) {
+      if (
+        menuBtn && nav &&
+        (menuBtn.contains(e.target) || nav.contains(e.target))
+      ) {
+        return;
+      }
+      if (
+        langToggle && langMenu &&
+        (langToggle.contains(e.target) || langMenu.contains(e.target))
+      ) {
+        return;
+      }
+      closeMenu();
+      closeLang();
+    });
+
+    document.addEventListener("keydown", function (e) {
+      if (e.key === "Escape") {
+        closeMenu();
+        closeLang();
+      }
+    });
+  }
+
+  if (currentLang) {
+    const docLang = (document.documentElement.lang || "en").toLowerCase();
+    currentLang.textContent = docLang === "zh" ? "ZH" : docLang === "ja" ? "JA" : "EN";
+  }
+
+  if (langMenu) {
+    langMenu.querySelectorAll("a[data-lang]").forEach((a) => {
+      a.addEventListener("click", function () {
+        localStorage.setItem("preferredLang", this.getAttribute("data-lang") || "en");
+      });
+    });
+  }
+
+  // Language menu hrefs: convert current page to *_zh.html / *_jp.html.
+  // Needs to work for both:
+  // - directory URLs: /foo/  (serve /foo/index.html)
+  // - file URLs:      /foo/page.html
+  function updateLangMenuHrefs() {
+    const links = document.querySelectorAll("a[data-lang-href][data-lang]");
+    if (!links.length) return;
+
+    let path = window.location.pathname || "/";
+    if (!path.startsWith("/")) path = "/" + path;
+
+    const isDir = path.endsWith("/");
+    const file = isDir ? "index.html" : (path.split("/").pop() || "index.html");
+    const base = isDir ? path : path.slice(0, -file.length);
+
+    const baseName = file.replace(/_(zh|jp)\.html$/i, ".html");
+    const map = {
+      en: baseName,
+      zh: baseName.replace(/(_(zh|jp))?\.html$/i, "_zh.html"),
+      ja: baseName.replace(/(_(zh|jp))?\.html$/i, "_jp.html"),
+    };
+
+    links.forEach((a) => {
+      const lang = (a.getAttribute("data-lang") || "en").toLowerCase();
+      const targetFile = map[lang] || map.en;
+      a.href = base + targetFile;
+    });
+  }
+
+  function updateAriaCurrent() {
+    const path = window.location.pathname || "/";
+    const normalized = path.startsWith("/") ? path : "/" + path;
+    const isDir = normalized.endsWith("/");
+    const file = isDir ? "index.html" : (normalized.split("/").pop() || "index.html");
+    const base = isDir ? normalized : normalized.slice(0, -file.length);
+    const indexPath = base + "index.html";
+    const dirPath = base || "/";
+    const candidates = new Set([normalized, indexPath, dirPath, dirPath.replace(/\/$/, "")]);
+
+    document.querySelectorAll("#site-nav a[href]").forEach((a) => {
+      const href = a.getAttribute("href") || "";
+      const hrefUrl = new URL(href, window.location.origin);
+      if (hrefUrl.origin !== window.location.origin) {
+        a.removeAttribute("aria-current");
+        return;
+      }
+      const hrefPath = hrefUrl.pathname;
+      if (candidates.has(hrefPath)) {
+        a.setAttribute("aria-current", "page");
+      } else {
+        a.removeAttribute("aria-current");
+      }
+    });
+
+    const docLang = (document.documentElement.lang || "en").toLowerCase();
+    document.querySelectorAll("#lang-options a[data-lang]").forEach((a) => {
+      const lang = (a.getAttribute("data-lang") || "en").toLowerCase();
+      if (lang === docLang) {
+        a.setAttribute("aria-current", "page");
+      } else {
+        a.removeAttribute("aria-current");
+      }
+    });
+  }
+
+  // Run once now...
+  updateLangMenuHrefs();
+  updateAriaCurrent();
+  // ...and again after layout/injection settles.
+  setTimeout(updateLangMenuHrefs, 0);
+  setTimeout(updateAriaCurrent, 0);
+
+  // Home page blog list (optional)
+  const blogList = byId("blog-list");
+  if (blogList) {
+    const blogHost = "https://blog.sillylaird.ca";
+    const ctrl = new AbortController();
+    const timeout = setTimeout(() => ctrl.abort(), 3500);
+
+    fetch(blogHost + "/api/posts.php", { signal: ctrl.signal })
+      .then((r) => r.json())
+      .then((posts) => {
+        blogList.textContent = "";
+
+        const top = document.createElement("div");
+
+        const strong = document.createElement("strong");
+        strong.textContent = "Posts";
+        top.appendChild(strong);
+
+        top.appendChild(document.createTextNode(" ("));
+        const allLink = document.createElement("a");
+        allLink.href = blogHost;
+        allLink.textContent = "all";
+        top.appendChild(allLink);
+        top.appendChild(document.createTextNode(")"));
+
+        blogList.appendChild(top);
+
+        const list = document.createElement("ol");
+        (posts || []).forEach((post) => {
+          const li = document.createElement("li");
+
+          const a = document.createElement("a");
+          a.href = blogHost + "/" + String(post.path || "").replace(/^\/+/, "");
+          a.textContent = String(post.title || "Untitled");
+
+          const date = document.createElement("div");
+          date.className = "muted";
+
+          const y = String(post.year || "");
+          const m = String(post.month || "").padStart(2, "0");
+          const d = String(post.day || "").padStart(2, "0");
+          const iso = y && m && d ? `${y}-${m}-${d}` : "";
+
+          const time = document.createElement("time");
+          if (iso) time.setAttribute("datetime", iso);
+          time.textContent = iso || "";
+
+          li.appendChild(a);
+          li.appendChild(document.createElement("br"));
+          date.appendChild(time);
+          li.appendChild(date);
+
+          list.appendChild(li);
+        });
+
+        blogList.appendChild(list);
+
+        if (!list.children.length) {
+          const empty = document.createElement("div");
+          empty.className = "muted";
+          empty.textContent = "No posts yet.";
+          blogList.appendChild(empty);
+        }
+      })
+      .catch((err) => {
+        blogList.textContent = err && err.name === "AbortError"
+          ? "Blog list timed out."
+          : "Cannot load posts right now.";
+      })
+      .finally(() => clearTimeout(timeout));
+  }
+
+  const changelogList = byId("changelog-list");
+  if (changelogList) {
+    const changelogPage = "/changelog/";
+    const ctrl = new AbortController();
+    const timeout = setTimeout(() => ctrl.abort(), 3500);
+
+    fetch(changelogPage, { signal: ctrl.signal })
+      .then((r) => r.text())
+      .then((html) => {
+        changelogList.textContent = "";
+        const doc = new DOMParser().parseFromString(html, "text/html");
+        const entries = Array.from(doc.querySelectorAll(".changelog-entry"));
+
+        const top = document.createElement("div");
+
+        const strong = document.createElement("strong");
+        strong.textContent = "Entries";
+        top.appendChild(strong);
+
+        top.appendChild(document.createTextNode(" ("));
+        const allLink = document.createElement("a");
+        allLink.href = "/changelog/";
+        allLink.textContent = "all";
+        top.appendChild(allLink);
+        top.appendChild(document.createTextNode(")"));
+
+        changelogList.appendChild(top);
+
+        const list = document.createElement("ol");
+        entries.forEach((entry) => {
+          const li = document.createElement("li");
+
+          const titleText = (entry.querySelector("strong, b")?.textContent || "").trim();
+          const timeEl = entry.querySelector("time");
+          const dateText = (timeEl?.textContent || "").trim();
+          const dateIso = (timeEl?.getAttribute("datetime") || "").trim();
+          const bodyEl = entry.querySelector(".text");
+          const bodyText = (bodyEl?.textContent || "").trim();
+
+          const title = document.createElement("strong");
+          if (titleText) {
+            title.textContent = titleText;
+            li.appendChild(title);
+
+            if (dateText) {
+              const date = document.createElement("div");
+              date.className = "muted";
+              const time = document.createElement("time");
+              if (dateIso) time.setAttribute("datetime", dateIso);
+              time.textContent = dateText;
+              date.appendChild(time);
+              li.appendChild(date);
+            }
+          } else if (dateText) {
+            title.textContent = dateText;
+            li.appendChild(title);
+          }
+
+          if (bodyText) {
+            const body = document.createElement("div");
+            body.className = "changelog-body";
+            body.textContent = bodyText;
+            li.appendChild(body);
+          }
+
+          list.appendChild(li);
+        });
+
+        changelogList.appendChild(list);
+
+        if (!list.children.length) {
+          const empty = document.createElement("div");
+          empty.className = "muted";
+          empty.textContent = "No updates yet.";
+          changelogList.appendChild(empty);
+        }
+      })
+      .catch((err) => {
+        changelogList.textContent = err && err.name === "AbortError"
+          ? "Changelog list timed out."
+          : "Cannot load changelog right now.";
+      })
+      .finally(() => clearTimeout(timeout));
+  }
+
+  const resetBtn = byId("guestbook-reset");
+  if (resetBtn) {
+    resetBtn.addEventListener("click", () => {
+      const frame = byId("guestbook-form-iframe");
+      if (!frame) return;
+      setIframeLoading(frame);
+      const src = frame.getAttribute("src") || frame.src;
+      if (src) {
+        // Reset by reloading the iframe URL (works cross-origin too).
+        frame.setAttribute("src", src);
+        return;
+      }
+      if (frame.contentWindow) frame.contentWindow.location.reload();
+    });
+  }
+
+  function setIframeLoading(frame) {
+    if (!frame) return;
+    const clip = frame.closest(".iframe-clip");
+    if (!clip) return;
+    clip.classList.add("is-loading");
+    const onLoad = () => {
+      clip.classList.remove("is-loading");
+    };
+    frame.addEventListener("load", onLoad, { once: true });
+  }
+
+  function resetIframe(frame) {
+    if (!frame) return;
+    const src = frame.getAttribute("src") || frame.src;
+    if (src) {
+      frame.setAttribute("src", src);
+      return;
+    }
+    if (frame.contentWindow) frame.contentWindow.location.reload();
+  }
+
+  document.querySelectorAll("button[data-reset-iframe]").forEach((btn) => {
+    btn.addEventListener("click", () => {
+      const key = btn.getAttribute("data-reset-iframe");
+      if (!key) return;
+      const scope = btn.closest(".iframe-clip") || btn.parentElement || document;
+      const frame = scope.querySelector(`iframe[data-iframe=\"${key}\"]`) || document.querySelector(`iframe[data-iframe=\"${key}\"]`);
+      setIframeLoading(frame);
+      resetIframe(frame);
+    });
+  });
+
+  // Footer year: local time only.
+  (function () {
+    const el = byId("copyright-year");
+    if (!el) return;
+
+    el.textContent = String(new Date().getFullYear());
+  })();
+
+  // Footer last-updated: based on document.lastModified.
+  (function () {
+    const el = byId("last-updated");
+    if (!el) return;
+
+    const raw = document.lastModified;
+    const date = raw ? new Date(raw) : null;
+    if (!date || Number.isNaN(date.getTime())) return;
+
+    const iso = date.toISOString().slice(0, 10);
+    el.setAttribute("datetime", iso);
+    el.textContent = iso;
+  })();
+})();