{% load wagtailcore_tags wagtailimages_tags %}
{% if enap_dynav %}

<header class="dn-header{% if enap_dynav_mode == 'global' %} dn-header--home{% else %} dn-header--two-row{% endif %}" id="dn-header">

  {% if enap_dynav_mode == 'global' %}
  {# ── HOME: barra única (inalterada) ─────────────────────────── #}
  <div class="dn-header__inner">

    <div class="wrapper-logo-menu">
      <button class="dn-enap-btn"
              id="dn-enap-trigger"
              type="button"
              aria-expanded="false"
              aria-controls="dn-mega-panel"
              aria-label="Menu ENAP"
              onclick="dnToggleMega()">
        <span class="dn-enap-btn__bar"></span>
        <span class="dn-enap-btn__bar"></span>
        <span class="dn-enap-btn__bar"></span>
      </button>

      {% with logo_block=enap_dynav.logo|first %}
        {% if logo_block %}
          {% image logo_block.value original as logo_img %}
          <a href="{% pageurl enap_dynav_root %}" class="dn-logo" aria-label="Página inicial">
            <img src="{{ logo_img.url }}" alt="{{ logo_img.title }}" class="dn-logo__img">
          </a>
        {% endif %}
      {% endwith %}
    </div>

    <nav class="dn-local-nav dn-local-nav--global" aria-label="Navegação local">
      {% for block in enap_dynav.nav_items %}
        {% if block.block_type == 'nav_item' %}
          {# Dinâmico: página com filhos automáticos #}
          {% with label=block.value.custom_label|default:block.value.page.title %}
            <button type="button"
                    class="dn-local-item dn-local-item--btn dn-mega-trigger"
                    aria-expanded="false"
                    aria-controls="dn-mega-panel"
                    onclick="dnOpenMegaArea(this, 'dn-area-{{ forloop.counter }}')">
              {{ label }}
              <svg class="dn-chevron" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" aria-hidden="true">
                <path d="m6 9 6 6 6-6"/>
              </svg>
            </button>
          {% endwith %}
        {% elif block.block_type == 'manual_nav_item' %}
          {# Manual: filhos definidos manualmente #}
          <button type="button"
                  class="dn-local-item dn-local-item--btn dn-mega-trigger"
                  aria-expanded="false"
                  aria-controls="dn-mega-panel"
                  onclick="dnOpenMegaArea(this, 'dn-area-{{ forloop.counter }}')">
            {{ block.value.label }}
            <svg class="dn-chevron" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" aria-hidden="true">
              <path d="m6 9 6 6 6-6"/>
            </svg>
          </button>
        {% endif %}
      {% endfor %}
    </nav>

    <form class="dn-search dn-search--end dn-search--compact" action="/busca/" method="get" role="search" aria-label="Busca no portal" onclick="dnExpandSearch(this)">
      <label for="dn-q-home" class="dn-sr-only">Buscar no portal</label>
      <svg class="dn-search__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
        <circle cx="11" cy="11" r="8"/><path d="m21 21-4.35-4.35"/>
      </svg>
      <span class="dn-search__label" aria-hidden="true">O que você quer aprender?</span>
      <input id="dn-q-home" type="text" name="q" class="dn-search__input"
             placeholder="Busque cursos, eventos, publicações..." value="{{ query_navbar }}" autocomplete="off"
             onblur="dnCollapseSearch(this)">
      <button type="button" class="dn-search__mic" aria-label="Busca por voz" onclick="event.stopPropagation(); dnStartVoice(this)">
        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
          <rect x="9" y="2" width="6" height="11" rx="3"/>
          <path d="M5 10a7 7 0 0 0 14 0"/>
          <line x1="12" y1="19" x2="12" y2="22"/>
          <line x1="9" y1="22" x2="15" y2="22"/>
        </svg>
      </button>
      <button type="submit" class="dn-search__btn" aria-label="Pesquisar">
        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" aria-hidden="true">
          <circle cx="11" cy="11" r="8"/><path d="m21 21-4.35-4.35"/>
        </svg>
      </button>
    </form>

    <a href="{{ enap_dynav.cal_url }}" class="dn-cal-btn" aria-label="{{ enap_dynav.cal_label }}">
      <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
        <rect x="3" y="4" width="18" height="18" rx="3"/>
        <path d="M16 2v4M8 2v4M3 10h18"/>
      </svg>
      <span>{{ enap_dynav.cal_label }}</span>
    </a>

    {% if request.aluno %}
      <a href="/area-do-aluno/" class="dn-user-btn" aria-label="Área do aluno">
        <span class="dn-user-btn__avatar" aria-hidden="true">{{ request.primeiro_nome|first|upper }}</span>
        <span class="dn-user-btn__name">{{ request.primeiro_nome }}</span>
      </a>
      <a href="/logout" class="dn-logout-btn" aria-label="Sair">Sair</a>
    {% else %}
      <a href="/login-sso" class="btn-white" aria-label="Entrar"><span>Entrar</span></a>
    {% endif %}

  </div>

  {% else %}
  {# ── SECTION / SUBSECTION: duas linhas ──────────────────────── #}
  <div class="dn-header__inner">

    {# Linha 1: logo · busca · auth · calendário #}
    <div class="dn-header__row dn-header__row--top">

      {% with logo_block=enap_dynav.logo|first %}
        {% if logo_block %}
          {% image logo_block.value original as logo_img %}
          <a href="{% pageurl enap_dynav_root %}" class="dn-logo" aria-label="Página inicial">
            <img src="{{ logo_img.url }}" alt="{{ logo_img.title }}" class="dn-logo__img">
          </a>
        {% endif %}
      {% endwith %}


      <form class="dn-search dn-search--bar" action="/busca/" method="get" role="search" aria-label="Busca no portal">
        <label for="dn-q-section" class="dn-sr-only">Buscar no portal</label>
        <svg class="dn-search__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
          <circle cx="11" cy="11" r="8"/><path d="m21 21-4.35-4.35"/>
        </svg>
        <input id="dn-q-section" type="text" name="q" class="dn-search__input"
               placeholder="O que você quer aprender?" value="{{ query_navbar }}" autocomplete="off">
        <button type="button" class="dn-search__mic" aria-label="Busca por voz" onclick="dnStartVoice(this)">
          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
            <rect x="9" y="2" width="6" height="11" rx="3"/>
            <path d="M5 10a7 7 0 0 0 14 0"/>
            <line x1="12" y1="19" x2="12" y2="22"/>
            <line x1="9" y1="22" x2="15" y2="22"/>
          </svg>
        </button>
        <button type="submit" class="dn-search__btn" aria-label="Pesquisar">
          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" aria-hidden="true">
            <circle cx="11" cy="11" r="8"/><path d="m21 21-4.35-4.35"/>
          </svg>
        </button>
      </form>

      <div class="dn-row-right">

        <a href="{{ enap_dynav.cal_url }}" class="dn-cal-btn" aria-label="{{ enap_dynav.cal_label }}">
          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
            <rect x="3" y="4" width="18" height="18" rx="3"/>
            <path d="M16 2v4M8 2v4M3 10h18"/>
          </svg>
          <span>{{ enap_dynav.cal_label }}</span>
        </a>

        {% if request.aluno %}
          <a href="/area-do-aluno/" class="dn-user-btn" aria-label="Área do aluno">
            <span class="dn-user-btn__avatar" aria-hidden="true">{{ request.primeiro_nome|first|upper }}</span>
            <span class="dn-user-btn__name">{{ request.primeiro_nome }}</span>
          </a>
          <a href="/logout" class="dn-logout-btn" aria-label="Sair">Sair</a>
        {% else %}
          <a href="/login-sso" class="btn-white" aria-label="Entrar"><span>Entrar</span></a>
        {% endif %}

        {# Hamburger — só no mobile, abre o mega menu #}
        <button class="dn-hamburger dn-hamburger--child"
                type="button"
                aria-expanded="false"
                aria-controls="dn-mega-panel"
                aria-label="Abrir menu"
                onclick="dnToggleMegaHome(this)">
          <span class="dn-hamburger__bar"></span>
          <span class="dn-hamburger__bar"></span>
          <span class="dn-hamburger__bar"></span>
        </button>

      </div>

    </div>

    {# Linha 2: sanduiche · seção · nav local #}
    <div class="dn-header__row dn-header__row--bottom">

      <button class="dn-enap-btn"
              id="dn-enap-trigger"
              type="button"
              aria-expanded="false"
              aria-controls="dn-mega-panel"
              aria-label="Menu ENAP"
              onclick="dnToggleMega()">
        <span class="dn-enap-btn__bar"></span>
        <span class="dn-enap-btn__bar"></span>
        <span class="dn-enap-btn__bar"></span>
      </button>

      {% if enap_dynav_mode == 'section' %}
        <a href="{% pageurl enap_dynav_current %}" class="dn-area-label dn-area-label--active" aria-current="page">{{ enap_dynav_current.title }}</a>
      {% elif enap_dynav_mode == 'subsection' %}
        <a href="{% pageurl enap_dynav_parent %}" class="dn-area-label dn-area-label--back">
          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" aria-hidden="true" style="width:13px;height:13px;flex-shrink:0;margin-right:3px;"><path d="m15 18-6-6 6-6"/></svg>
          {{ enap_dynav_parent.title }}
        </a>
      {% endif %}

      <div class="dn-local-nav-wrap">

        <button class="dn-nav-arrow dn-nav-arrow--left" aria-label="Rolar para esquerda" onclick="dnNavScroll(this,-1)" hidden>
          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" aria-hidden="true"><path d="m15 18-6-6 6-6"/></svg>
        </button>

        <nav class="dn-local-nav" aria-label="Navegação local" onscroll="dnNavUpdateArrows(this)">
          {% if enap_dynav_mode == 'subsection' and not enap_dynav_active_id %}
            <a href="{% pageurl enap_dynav_current %}"
               class="dn-local-item dn-local-item--active"
               aria-current="page">
              {{ enap_dynav_current.title }}
            </a>
          {% endif %}
          {% for pg in enap_dynav_local %}
            <a href="{% pageurl pg %}"
               class="dn-local-item{% if pg.id == enap_dynav_active_id %} dn-local-item--active{% endif %}"
               {% if pg.id == enap_dynav_active_id %}aria-current="page"{% endif %}>
              {{ pg.title }}
            </a>
          {% endfor %}
        </nav>

        <button class="dn-nav-arrow dn-nav-arrow--right" aria-label="Rolar para direita" onclick="dnNavScroll(this,1)" hidden>
          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" aria-hidden="true"><path d="m9 18 6-6-6-6"/></svg>
        </button>

      </div>

    </div>

  </div>
  {% endif %}

</header>


{# ── MEGA MENU (home e páginas filhas) ──────────────────────── #}
<div id="dn-mega-panel" class="dn-mega" hidden aria-modal="true" role="dialog" aria-label="Menu global ENAP">

  <div class="dn-mega__topbar" id="dn-mobile-topbar">
    <button class="dn-mega__back" id="dn-mobile-back" onclick="dnMobileBack()" aria-label="Voltar">
      <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" aria-hidden="true"><path d="m15 18-6-6 6-6"/></svg>
      Voltar
    </button>
    <span class="dn-mega__topbar-title" id="dn-mobile-title">Menu</span>
    <button class="dn-mega__close" onclick="dnCloseMega()" aria-label="Fechar menu">
      <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" aria-hidden="true"><path d="M18 6 6 18M6 6l12 12"/></svg>
      Fechar
    </button>
  </div>

  <div class="dn-mega__inner">

    {# L1 — lista de seções #}
    <div class="dn-mega__l1">
      <a href="{% pageurl enap_dynav_root %}" class="dn-mega__home-link" onclick="dnCloseMega()">
        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true">
          <path d="m3 9 9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/>
          <polyline points="9 22 9 12 15 12 15 22"/>
        </svg>
        Home ENAP
      </a>
      <ul class="dn-mega__l1-list" role="list">
        {% for block in enap_dynav.nav_items %}
          {% if block.block_type == 'nav_item' %}
            {% with label=block.value.custom_label|default:block.value.page.title %}
              <li class="dn-mega__l1-item{% if forloop.first %} dn-mega__l1-item--active{% endif %}"
                  data-area="dn-area-{{ forloop.counter }}"
                  onmouseenter="dnShowArea('dn-area-{{ forloop.counter }}')"
                  onclick="dnMobileDrillL1(event,'dn-area-{{ forloop.counter }}','{{ label }}')">
                <span>{{ label }}</span>
                <span class="dn-mega__l1-arr" aria-hidden="true">›</span>
              </li>
            {% endwith %}
          {% elif block.block_type == 'manual_nav_item' %}
            <li class="dn-mega__l1-item{% if forloop.first %} dn-mega__l1-item--active{% endif %}"
                data-area="dn-area-{{ forloop.counter }}"
                onmouseenter="dnShowArea('dn-area-{{ forloop.counter }}')"
                onclick="dnMobileDrillL1(event,'dn-area-{{ forloop.counter }}','{{ block.value.label }}')">
              <span>{{ block.value.label }}</span>
              <span class="dn-mega__l1-arr" aria-hidden="true">›</span>
            </li>
          {% elif block.block_type == 'mega_only_nav_item' %}
            {% with label=block.value.custom_label|default:block.value.page.title %}
              <li class="dn-mega__l1-item{% if forloop.first %} dn-mega__l1-item--active{% endif %}"
                  data-area="dn-area-{{ forloop.counter }}"
                  onmouseenter="dnShowArea('dn-area-{{ forloop.counter }}')"
                  onclick="dnMobileDrillL1(event,'dn-area-{{ forloop.counter }}','{{ label }}')">
                <span>{{ label }}</span>
                <span class="dn-mega__l1-arr" aria-hidden="true">›</span>
              </li>
            {% endwith %}
          {% endif %}
        {% endfor %}
      </ul>
    </div>

    {# L2/L3/L4 — painel do mega menu para cada item #}
    <div class="dn-mega__content-wrap">
      {% for block in enap_dynav.nav_items %}
        {% if block.block_type == 'nav_item' %}
          {% with section=block.value.page label=block.value.custom_label|default:block.value.page.title %}
            <div id="dn-area-{{ forloop.counter }}"
                 class="dn-mega__content{% if forloop.first %} dn-mega__content--visible{% endif %}">
              <div class="dn-mega__area-title">{{ label }}</div>
              <div class="dn-mega__l2-grid">
                {% include "enap_designsystem/blocks/dynamic_nav/render_mega_section.html" with parent=section %}
              </div>
            </div>
          {% endwith %}
        {% elif block.block_type == 'mega_only_nav_item' %}
          {% with section=block.value.page label=block.value.custom_label|default:block.value.page.title %}
            <div id="dn-area-{{ forloop.counter }}"
                 class="dn-mega__content{% if forloop.first %} dn-mega__content--visible{% endif %}">
              <div class="dn-mega__area-title">{{ label }}</div>
              <div class="dn-mega__l2-grid">
                {% include "enap_designsystem/blocks/dynamic_nav/render_mega_section.html" with parent=section %}
              </div>
            </div>
          {% endwith %}
        {% elif block.block_type == 'manual_nav_item' %}
          <div id="dn-area-{{ forloop.counter }}"
               class="dn-mega__content{% if forloop.first %} dn-mega__content--visible{% endif %}">
            <div class="dn-mega__area-title">{{ block.value.label }}</div>
            <div class="dn-mega__l2-grid">
              <div class="dn-mega__l2-sidebar">
                {% for child in block.value.children %}
                  {% if child.page %}
                    <div class="dn-mega__l2-row"
                         {% if child.show_children_depth %}
                           data-l3="dn-ml3-{{ forloop.parentloop.counter }}-{{ forloop.counter }}"
                           onmouseenter="dnShowL3(this,'dn-ml3-{{ forloop.parentloop.counter }}-{{ forloop.counter }}')"
                         {% endif %}>
                      <a href="{% pageurl child.page %}" class="dn-mega__l2-link"
                         {% if child.open_new_tab %}target="_blank" rel="noopener noreferrer"{% endif %}>
                        {{ child.label|default:child.page.title }}
                      </a>
                      {% if child.show_children_depth %}<span class="dn-mega__l2-arr" aria-hidden="true">›</span>{% endif %}
                    </div>
                  {% elif child.external_url %}
                    <div class="dn-mega__l2-row">
                      <a href="{{ child.external_url }}" class="dn-mega__l2-link"
                         {% if child.open_new_tab %}target="_blank" rel="noopener noreferrer"{% endif %}>
                        {{ child.label }}
                      </a>
                    </div>
                  {% endif %}
                {% endfor %}
              </div>
              <div class="dn-mega__l3-area">
                {% for child in block.value.children %}
                  {% if child.page and child.show_children_depth %}
                    <div id="dn-ml3-{{ forloop.parentloop.counter }}-{{ forloop.counter }}"
                         class="dn-mega__l3-panel">
                      {% include "enap_designsystem/blocks/dynamic_nav/render_mega_section.html" with parent=child.page depth=child.show_children_depth %}
                    </div>
                  {% endif %}
                {% endfor %}
              </div>
            </div>
            {% if block.value.page %}
              <div class="dn-mega__cta">
                <a href="{% pageurl block.value.page %}" class="dn-mega__cta-link" onclick="dnCloseMega()">
                  Ver tudo em {{ block.value.label }} →
                </a>
              </div>
            {% endif %}
          </div>
        {% endif %}
      {% endfor %}
    </div>

  </div>

  {# ── Rodapé do mega menu ──────────────────────────────────────── #}
  {% if enap_dynav.footer_links %}
  <div class="dn-mega__footer">
    {% for block in enap_dynav.footer_links %}
      {% if block.block_type == 'link' %}
        {% if block.value.page %}
          <a href="{% pageurl block.value.page %}"
             class="dn-mega__footer-link"
             {% if block.value.open_new_tab %}target="_blank" rel="noopener noreferrer"{% endif %}>
            {{ block.value.label|default:block.value.page.title }}
          </a>
        {% elif block.value.external_url %}
          <a href="{{ block.value.external_url }}"
             class="dn-mega__footer-link"
             {% if block.value.open_new_tab %}target="_blank" rel="noopener noreferrer"{% endif %}>
            {{ block.value.label }}
          </a>
        {% endif %}
      {% endif %}
    {% endfor %}
  </div>
  {% endif %}
</div>


<style>
  {% if enap_dynav_mode != 'global' %}
  :root {
    --dn-header-h:       96px;
    --dn-header-outer-h: 133px;
  }
  {% endif %}
</style>


<script>
  /* ── Estado 1: dropdown simples ─────────────────────────────────── */
  function dnToggleDrop(btn, id) {
    var drop = document.getElementById(id);
    var isOpen = btn.getAttribute('aria-expanded') === 'true';

    // fecha todos
    document.querySelectorAll('.dn-nav-btn[aria-expanded="true"]').forEach(function(b) {
      b.setAttribute('aria-expanded', 'false');
      var el = document.getElementById(b.getAttribute('aria-controls'));
      if (el) el.hidden = true;
    });

    btn.setAttribute('aria-expanded', String(!isOpen));
    drop.hidden = isOpen;
  }

  // fecha ao clicar fora
  document.addEventListener('click', function(e) {
    if (!e.target.closest('.dn-nav-item')) {
      document.querySelectorAll('.dn-nav-btn[aria-expanded="true"]').forEach(function(b) {
        b.setAttribute('aria-expanded', 'false');
        var el = document.getElementById(b.getAttribute('aria-controls'));
        if (el) el.hidden = true;
      });
    }
  });

  /* ── Busca compacta ─────────────────────────────────────────────── */
  function dnExpandSearch(form) {
    form.classList.add('dn-search--open');
    var input = form.querySelector('.dn-search__input');
    if (input) input.focus();
  }

  function dnCollapseSearch(input) {
    if (!input.value) {
      input.closest('.dn-search').classList.remove('dn-search--open');
    }
  }

  /* ── Abre o mega filtrado em uma seção (home e páginas filhas) ── */
  function dnOpenMegaArea(triggerBtn, areaId) {
    var panel = document.getElementById('dn-mega-panel');
    if (!panel) return;

    // toggle: se já está aberto nessa seção, fecha
    var alreadyOpen = !panel.hidden && triggerBtn && triggerBtn.getAttribute('aria-expanded') === 'true';
    if (alreadyOpen) { dnCloseMega(); return; }

    // reseta todos os triggers
    document.querySelectorAll('.dn-mega-trigger').forEach(function(b) {
      b.setAttribute('aria-expanded', 'false');
    });
    var enaBtn = document.querySelector('.dn-enap-btn');
    if (enaBtn) enaBtn.setAttribute('aria-expanded', 'true');

    panel.hidden = false;
    if (triggerBtn) triggerBtn.setAttribute('aria-expanded', 'true');
    dnShowArea(areaId);
  }

  /* ── Hamburger da home (mobile) ─────────────────────────────────── */
  function dnToggleMegaHome(btn) {
    var panel = document.getElementById('dn-mega-panel');
    if (!panel) return;
    var isOpen = !panel.hidden;
    panel.hidden = isOpen;
    btn.setAttribute('aria-expanded', String(!isOpen));
    if (isOpen) _dnMobileReset();
  }

  /* ── Estado 2/3: mega menu (botão ENAP nas páginas filhas) ──────── */
  function dnToggleMega() {
    var panel = document.getElementById('dn-mega-panel');
    var btn   = document.querySelector('.dn-enap-btn');
    if (!panel) return;
    var isOpen = !panel.hidden;
    panel.hidden = isOpen;
    if (btn) btn.setAttribute('aria-expanded', String(!isOpen));
    if (isOpen) _dnMobileReset();
  }

  function dnCloseMega() {
    var panel = document.getElementById('dn-mega-panel');
    if (panel) panel.hidden = true;
    document.querySelectorAll('.dn-enap-btn, .dn-hamburger--home, .dn-hamburger--child, .dn-mega-trigger').forEach(function(b) {
      b.setAttribute('aria-expanded', 'false');
    });
    _dnMobileReset();
  }

  function dnShowArea(areaId) {
    document.querySelectorAll('.dn-mega__content').forEach(function(el) {
      el.classList.remove('dn-mega__content--visible');
    });
    document.querySelectorAll('.dn-mega__l1-item').forEach(function(el) {
      el.classList.remove('dn-mega__l1-item--active');
    });

    var target = document.getElementById(areaId);
    if (target) {
      target.classList.add('dn-mega__content--visible');

      // Reseta L2 rows (ativa depois, quando soubermos qual L3 está visível)
      var l2Rows = target.querySelectorAll('.dn-mega__l2-row');
      l2Rows.forEach(function(r) { r.classList.remove('dn-mega__l2-row--active'); });

      // Reseta L3 panels e ativa o primeiro
      var l3Panels = target.querySelectorAll('.dn-mega__l3-panel');
      l3Panels.forEach(function(p) { p.classList.remove('dn-mega__l3-panel--visible'); });
      if (l3Panels[0]) {
        l3Panels[0].classList.add('dn-mega__l3-panel--visible');

        // Ativa o L2 row cujo data-l3 aponta para este painel
        var matchingL2 = target.querySelector('.dn-mega__l2-row[data-l3="' + l3Panels[0].id + '"]');
        if (matchingL2) matchingL2.classList.add('dn-mega__l2-row--active');
        else if (l2Rows[0]) l2Rows[0].classList.add('dn-mega__l2-row--active');

        // Reseta L3 rows e ativa o primeiro dentro do primeiro painel L3
        var l3Rows = l3Panels[0].querySelectorAll('.dn-mega__l3-row');
        l3Rows.forEach(function(r) { r.classList.remove('dn-mega__l3-row--active'); });
        if (l3Rows[0]) l3Rows[0].classList.add('dn-mega__l3-row--active');

        // Reseta L4 panels e ativa o primeiro
        var l4Panels = l3Panels[0].querySelectorAll('.dn-mega__l4-panel');
        l4Panels.forEach(function(p) { p.classList.remove('dn-mega__l4-panel--visible'); });
        if (l4Panels[0]) l4Panels[0].classList.add('dn-mega__l4-panel--visible');
      } else if (l2Rows[0]) {
        l2Rows[0].classList.add('dn-mega__l2-row--active');
      }
    }

    // ativa o item L1 correspondente
    document.querySelectorAll('.dn-mega__l1-item').forEach(function(el) {
      if (el.dataset.area === areaId) {
        el.classList.add('dn-mega__l1-item--active');
      }
    });
  }

  /* ── L2 hover → exibe painel L3 correspondente ──────────────────── */
  function dnShowL3(item, panelId) {
    var sidebar = item.closest('.dn-mega__l2-sidebar');
    if (sidebar) {
      sidebar.querySelectorAll('.dn-mega__l2-row--active').forEach(function(r) {
        r.classList.remove('dn-mega__l2-row--active');
      });
    }
    item.classList.add('dn-mega__l2-row--active');

    var content = item.closest('.dn-mega__content');
    if (content) {
      content.querySelectorAll('.dn-mega__l3-panel--visible').forEach(function(p) {
        p.classList.remove('dn-mega__l3-panel--visible');
      });
    }

    var panel = document.getElementById(panelId);
    if (panel) {
      panel.classList.add('dn-mega__l3-panel--visible');

      // Reseta L3 rows e ativa o primeiro
      var l3Rows = panel.querySelectorAll('.dn-mega__l3-row');
      l3Rows.forEach(function(r) { r.classList.remove('dn-mega__l3-row--active'); });
      if (l3Rows[0]) l3Rows[0].classList.add('dn-mega__l3-row--active');

      // Reseta L4 panels e ativa o primeiro
      var l4Panels = panel.querySelectorAll('.dn-mega__l4-panel');
      l4Panels.forEach(function(p) { p.classList.remove('dn-mega__l4-panel--visible'); });
      if (l4Panels[0]) l4Panels[0].classList.add('dn-mega__l4-panel--visible');
    }
  }

  /* ── L3 hover → exibe painel L4 correspondente ──────────────────── */
  function dnShowL4(item, panelId) {
    var sidebar = item.closest('.dn-mega__l3-sidebar');
    if (sidebar) {
      sidebar.querySelectorAll('.dn-mega__l3-row--active').forEach(function(r) {
        r.classList.remove('dn-mega__l3-row--active');
      });
    }
    item.classList.add('dn-mega__l3-row--active');

    var l3panel = item.closest('.dn-mega__l3-panel');
    if (l3panel) {
      l3panel.querySelectorAll('.dn-mega__l4-panel--visible').forEach(function(p) {
        p.classList.remove('dn-mega__l4-panel--visible');
      });
    }

    var panel = document.getElementById(panelId);
    if (panel) panel.classList.add('dn-mega__l4-panel--visible');
  }

  // fecha mega com Escape
  document.addEventListener('keydown', function(e) {
    if (e.key === 'Escape') dnCloseMega();
  });

  // fecha ao clicar fora do mega
  document.addEventListener('click', function(e) {
    if (!e.target.closest('#dn-mega-panel') &&
        !e.target.closest('#dn-enap-trigger') &&
        !e.target.closest('.dn-mega-trigger') &&
        !e.target.closest('.dn-hamburger--home') &&
        !e.target.closest('.dn-hamburger--child')) {
      dnCloseMega();
    }
  });

  /* ── Busca por voz (microfone) ──────────────────────────────────── */
  function dnStartVoice(btn) {
    var SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;
    if (!SpeechRecognition) return;

    var form  = btn.closest('form');
    var input = form.querySelector('.dn-search__input');
    if (!input) return;

    var rec = new SpeechRecognition();
    rec.lang = 'pt-BR';
    rec.interimResults = false;
    rec.maxAlternatives = 1;

    btn.classList.add('dn-search__mic--active');

    rec.onresult = function(e) {
      input.value = e.results[0][0].transcript;
      btn.classList.remove('dn-search__mic--active');
      input.focus();
    };

    rec.onerror = rec.onend = function() {
      btn.classList.remove('dn-search__mic--active');
    };

    rec.start();
  }

  /* ── Setas de scroll da nav local ──────────────────────────────── */
  function dnNavUpdateArrows(nav) {
    var wrap = nav.closest('.dn-local-nav-wrap');
    if (!wrap) return;
    var canLeft  = nav.scrollLeft > 2;
    var canRight = nav.scrollLeft < nav.scrollWidth - nav.clientWidth - 2;
    var btnLeft  = wrap.querySelector('.dn-nav-arrow--left');
    var btnRight = wrap.querySelector('.dn-nav-arrow--right');
    if (btnLeft)  btnLeft.hidden  = !canLeft;
    if (btnRight) btnRight.hidden = !canRight;
    wrap.classList.toggle('dn-local-nav-wrap--can-left',  canLeft);
    wrap.classList.toggle('dn-local-nav-wrap--can-right', canRight);
  }

  function dnNavScroll(btn, dir) {
    var nav = btn.closest('.dn-local-nav-wrap').querySelector('.dn-local-nav');
    if (nav) nav.scrollBy({ left: dir * 200, behavior: 'smooth' });
  }

  document.addEventListener('DOMContentLoaded', function() {
    document.querySelectorAll('.dn-local-nav').forEach(dnNavUpdateArrows);
  });
  window.addEventListener('resize', function() {
    document.querySelectorAll('.dn-local-nav').forEach(dnNavUpdateArrows);
  });

  /* ── Estado de scroll: header cola no topo, busca aparece branca ── */
  (function() {
    var header = document.getElementById('dn-header');
    if (!header) return;
    function dnUpdateScrollState() {
      header.classList.toggle('dn-header--scrolled', window.scrollY > 1);
    }
    window.addEventListener('scroll', dnUpdateScrollState, { passive: true });
    dnUpdateScrollState();
  })();

  /* ── Drill-down mobile ──────────────────────────────────────────── */
  var _dnStack = [];
  var _dnTr    = 'transform 0.28s cubic-bezier(.4,0,.2,1)';

  function _dnIsMobile() { return window.innerWidth <= 767; }

  function _dnPush(outEl, inEl, title) {
    outEl.style.transition = _dnTr;
    inEl.style.transition  = _dnTr;
    outEl.style.transform  = 'translateX(-30%)';
    inEl.style.transform   = 'translateX(0)';
    _dnStack.push({ outEl: outEl, inEl: inEl, title: title });
    _dnMobileBarUpdate();
  }

  function _dnMobileReset() {
    _dnStack = [];
    var sel = '#dn-mega-panel .dn-mega__l1, #dn-mega-panel .dn-mega__content-wrap, ' +
              '.dn-mega__l2-sidebar, .dn-mega__l3-area, .dn-mega__l3-sidebar, .dn-mega__l4-area';
    document.querySelectorAll(sel).forEach(function(el) {
      el.style.transition = 'none';
      el.style.transform  = '';
    });
    _dnMobileBarUpdate();
  }

  function _dnMobileBarUpdate() {
    var back  = document.getElementById('dn-mobile-back');
    var title = document.getElementById('dn-mobile-title');
    if (!back || !title) return;
    back.style.visibility = _dnStack.length > 0 ? 'visible' : 'hidden';
    title.textContent = _dnStack.length > 0
      ? _dnStack[_dnStack.length - 1].title
      : 'Menu';
  }

  function dnMobileDrillL1(e, areaId, title) {
    if (!_dnIsMobile()) return;
    e.preventDefault();
    e.stopPropagation();
    dnShowArea(areaId);
    var l1   = document.querySelector('#dn-mega-panel .dn-mega__l1');
    var wrap = document.querySelector('#dn-mega-panel .dn-mega__content-wrap');
    if (l1 && wrap) _dnPush(l1, wrap, title);
  }

  function dnMobileBack() {
    if (_dnStack.length === 0) { dnCloseMega(); return; }
    var item = _dnStack.pop();
    item.outEl.style.transition = _dnTr;
    item.inEl.style.transition  = _dnTr;
    item.outEl.style.transform  = 'translateX(0)';
    item.inEl.style.transform   = 'translateX(100%)';
    _dnMobileBarUpdate();
  }

  /* Delegação de clique para L2→L3 e L3→L4 no mobile */
  document.addEventListener('click', function(e) {
    if (!_dnIsMobile()) return;

    var l2Row = e.target.closest('.dn-mega__l2-row[data-l3]');
    if (l2Row) {
      e.preventDefault();
      var panelId = l2Row.dataset.l3;
      var linkEl  = l2Row.querySelector('.dn-mega__l2-link');
      var title   = linkEl ? linkEl.textContent.trim() : '';
      dnShowL3(l2Row, panelId);
      var sidebar = l2Row.closest('.dn-mega__l2-sidebar');
      var content = l2Row.closest('.dn-mega__content');
      var l3area  = content ? content.querySelector('.dn-mega__l3-area') : null;
      if (sidebar && l3area) _dnPush(sidebar, l3area, title);
      return;
    }

    var l3Row = e.target.closest('.dn-mega__l3-row[data-l4]');
    if (l3Row) {
      e.preventDefault();
      var panelId = l3Row.dataset.l4;
      var linkEl  = l3Row.querySelector('.dn-mega__l3-link');
      var title   = linkEl ? linkEl.textContent.trim() : '';
      dnShowL4(l3Row, panelId);
      var sidebar = l3Row.closest('.dn-mega__l3-sidebar');
      var l3panel = l3Row.closest('.dn-mega__l3-panel');
      var l4area  = l3panel ? l3panel.querySelector('.dn-mega__l4-area') : null;
      if (sidebar && l4area) _dnPush(sidebar, l4area, title);
    }
  }, true);

  /* Inicializa o topbar ao abrir o mega */
  document.addEventListener('DOMContentLoaded', function() {
    _dnMobileBarUpdate();
  });

</script>

{% endif %}