// Dark Mode Controller - Only handles initialization/persistence
(function() {
  if (typeof window.darkModeToggle !== 'function') {
    // Ensure function exists (inline script in head should have defined it)
    window.darkModeToggle = function() {
      var el = document.body;
      if (!el) return;
      var isDark = localStorage.getItem('chatc2_dark_mode') === 'true';
      var enable = !isDark;
      el.classList.toggle('dark-mode', enable);
      localStorage.setItem('chatc2_dark_mode', enable ? 'true' : 'false');
      document.querySelectorAll('.dark-mode-toggle').forEach(function(btn) {
        btn.innerHTML = enable ? '☀️ Claro' : '🌙 Escuro';
      });
    };
    window.darkModeApply = function(enable) {
      var el = document.body;
      if (!el) return;
      el.classList.toggle('dark-mode', enable);
      localStorage.setItem('chatc2_dark_mode', enable ? 'true' : 'false');
      document.querySelectorAll('.dark-mode-toggle').forEach(function(btn) {
        btn.innerHTML = enable ? '☀️ Claro' : '🌙 Escuro';
      });
    };
    window.darkModeIsDark = function() { return localStorage.getItem('chatc2_dark_mode') === 'true'; };
  }

  // Apply on load
  if (localStorage.getItem('chatc2_dark_mode') === 'true') {
    if (document.readyState === 'loading') {
      document.addEventListener('DOMContentLoaded', function() {
        document.body.classList.add('dark-mode');
        document.querySelectorAll('.dark-mode-toggle').forEach(function(btn) {
          btn.innerHTML = '☀️ Claro';
        });
      });
    } else {
      document.body.classList.add('dark-mode');
      document.querySelectorAll('.dark-mode-toggle').forEach(function(btn) {
        btn.innerHTML = '☀️ Claro';
      });
    }
  }
})();