/* Light/dark theme. Applies , persists the
choice in localStorage and falls back to the OS preference. */
(function () {
var KEY = "obi-theme";
function initialTheme() {
try {
var saved = localStorage.getItem(KEY);
if (saved === "dark" || saved === "light") return saved;
} catch (e) {
/* storage unavailable */
}
if (window.matchMedia && window.matchMedia("(prefers-color-scheme: light)").matches) {
return "light";
}
return "dark";
}
function apply(theme) {
document.documentElement.setAttribute("data-theme", theme);
var btn = document.getElementById("theme-toggle");
if (btn) {
var next = theme === "light" ? "dark" : "light";
btn.setAttribute("aria-label", "Switch to " + next + " mode");
btn.setAttribute("title", "Switch to " + next + " mode");
}
}
apply(initialTheme());
document.addEventListener("DOMContentLoaded", function () {
var theme = document.documentElement.getAttribute("data-theme") === "light" ? "light" : "dark";
apply(theme);
var btn = document.getElementById("theme-toggle");
if (!btn) return;
btn.addEventListener("click", function () {
var next = document.documentElement.getAttribute("data-theme") === "light" ? "dark" : "light";
try {
localStorage.setItem(KEY, next);
} catch (e) {
/* ignore */
}
apply(next);
});
});
})();
/* Responsive navbar: toggle the burger menu on small screens. */
(function () {
document.addEventListener("DOMContentLoaded", function () {
var navbar = document.querySelector(".navbar");
var toggle = document.getElementById("nav-toggle");
if (!navbar || !toggle) return;
toggle.addEventListener("click", function () {
var open = navbar.classList.toggle("nav-open");
toggle.setAttribute("aria-expanded", open ? "true" : "false");
toggle.setAttribute("aria-label", open ? "Close navigation menu" : "Open navigation menu");
});
navbar.addEventListener("click", function (e) {
if (!navbar.classList.contains("nav-open")) return;
var link = e.target.closest && e.target.closest("a");
if (link) {
navbar.classList.remove("nav-open");
toggle.setAttribute("aria-expanded", "false");
toggle.setAttribute("aria-label", "Open navigation menu");
}
});
});
})();