Initial commit

docs/theme-toggle.js

@@ -0,0 +1,24 @@
+(function() {
+    const saved = localStorage.getItem('theme');
+    if (saved) {
+        document.documentElement.setAttribute('data-theme', saved);
+    }
+})();
+
+function toggleTheme() {
+    const html = document.documentElement;
+    const current = html.getAttribute('data-theme');
+    const next = current === 'light' ? 'dark' : 'light';
+    html.setAttribute('data-theme', next);
+    localStorage.setItem('theme', next);
+    updateToggleIcon();
+}
+
+function updateToggleIcon() {
+    const btn = document.querySelector('.theme-toggle');
+    if (!btn) return;
+    const isLight = document.documentElement.getAttribute('data-theme') === 'light';
+    btn.innerHTML = isLight ? '🌙 Dark' : '☀️ Light';
+}
+
+document.addEventListener('DOMContentLoaded', updateToggleIcon);