{% import "partials/icons.html" as icons %}
<nav class="relative border-b pb-4 text-sm" data-signals:_nav-open="false">
    <div class="flex items-center justify-between">
        <div class="font-semibold uppercase tracking-[0.25em] text-accent"><a href="/">B{rew}log</a></div>
        <div class="relative flex items-center gap-1">
            <a class="rounded-md p-1.5 transition {% if nav_active == "home" %}text-accent{% else %}text-text-muted hover:text-text-secondary{% endif %}" href="/" title="Home" aria-label="Home">
                {% call icons::home("h-5 w-5") %}
            </a>
            <button type="button" class="rounded-md p-1.5 text-text-muted transition hover:text-text-secondary" title="Toggle theme" aria-label="Toggle theme" onclick="toggleTheme()">
                <span class="theme-icon-light">{% call icons::sun("h-5 w-5") %}</span>
                <span class="theme-icon-dark hidden">{% call icons::moon("h-5 w-5") %}</span>
            </button>
            <button class="rounded-md p-1.5 text-text-muted transition hover:text-text-secondary" data-on:click="$_navOpen = !$_navOpen" title="Menu" aria-label="Toggle menu">
                <span data-show="!$_navOpen">{% call icons::hamburger("h-5 w-5") %}</span>
                <span data-show="$_navOpen" style="display:none">{% call icons::close("h-5 w-5") %}</span>
            </button>
            <!-- Backdrop (click outside to close) -->
            <div class="fixed inset-0 z-40" data-show="$_navOpen" data-on:click="$_navOpen = false" style="display:none"></div>
            <!-- Dropdown menu -->
            <div class="absolute right-0 top-full z-50 mt-2 flex flex-col gap-1 rounded-lg border bg-surface p-3 whitespace-nowrap" data-show="$_navOpen" style="display:none">
                <a class="rounded-md px-4 py-2.5 transition flex items-center justify-end gap-4 {% if nav_active == "data" %}text-accent font-medium{% else %}text-text-muted hover:text-text hover:bg-surface-alt{% endif %}" href="/data">
                    Data {% call icons::squares("h-4 w-4 shrink-0") %}
                </a>
                <a class="rounded-md px-4 py-2.5 transition flex items-center justify-end gap-4 {% if nav_active == "timeline" %}text-accent font-medium{% else %}text-text-muted hover:text-text hover:bg-surface-alt{% endif %}" href="/timeline">
                    Timeline {% call icons::timeline("h-4 w-4 shrink-0") %}
                </a>
                {% if is_authenticated %}
                <a class="rounded-md px-4 py-2.5 transition flex items-center justify-end gap-4 {% if nav_active == "checkin" %}text-accent font-medium{% else %}text-text-muted hover:text-text hover:bg-surface-alt{% endif %}" href="/check-in">
                    Check In {% call icons::checkin("h-4 w-4 shrink-0") %}
                </a>
                <a class="rounded-md px-4 py-2.5 transition flex items-center justify-end gap-4 {% if nav_active == "account" %}text-accent font-medium{% else %}text-text-muted hover:text-text hover:bg-surface-alt{% endif %}" href="/account">
                    Admin {% call icons::cog("h-4 w-4 shrink-0") %}
                </a>
                <form method="post" action="/logout">
                    <button type="submit" class="w-full rounded-md px-4 py-2.5 transition flex items-center justify-end gap-4 text-text-muted hover:text-text hover:bg-surface-alt">
                        Sign Out {% call icons::logout("h-4 w-4 shrink-0") %}
                    </button>
                </form>
                {% else %}
                <a class="rounded-md px-4 py-2.5 transition flex items-center justify-end gap-4 text-text-muted hover:text-text hover:bg-surface-alt" href="/login">
                    Login {% call icons::user("h-4 w-4 shrink-0") %}
                </a>
                {% endif %}
            </div>
        </div>
</nav>
<script>
    const toggleTheme = () => {
        const html = document.documentElement;
        const isDark = html.getAttribute("data-theme") === "dark";
        const osDark = matchMedia("(prefers-color-scheme: dark)").matches;
        if (isDark) {
            html.removeAttribute("data-theme");
            // Only persist if this choice differs from OS preference
            if (osDark) localStorage.setItem("theme", "light");
            else localStorage.removeItem("theme");
        } else {
            html.setAttribute("data-theme", "dark");
            if (!osDark) localStorage.setItem("theme", "dark");
            else localStorage.removeItem("theme");
        }
        updateThemeIcons();
    };

    const updateThemeIcons = () => {
        const isDark = document.documentElement.getAttribute("data-theme") === "dark";
        document.querySelectorAll(".theme-icon-light").forEach((el) => {
            el.classList.toggle("hidden", isDark);
        });
        document.querySelectorAll(".theme-icon-dark").forEach((el) => {
            el.classList.toggle("hidden", !isDark);
        });
        const favicon = document.getElementById("favicon");
        if (favicon) {
            favicon.href = isDark ? "/favicon-dark.svg" : "/favicon-light.svg";
        }
    };

    // Set correct icon state on load
    updateThemeIcons();

    // Follow OS theme changes when the user hasn't manually chosen
    matchMedia("(prefers-color-scheme: dark)").addEventListener("change", (e) => {
        if (localStorage.getItem("theme")) return;
        const html = document.documentElement;
        if (e.matches) {
            html.setAttribute("data-theme", "dark");
        } else {
            html.removeAttribute("data-theme");
        }
        updateThemeIcons();
    });
</script>