/* Toolvana global JS — tiny, dependency-free. */
(function () {
  'use strict';

  // mobile nav
  var toggle = document.getElementById('nav-toggle');
  var nav = document.getElementById('main-nav');
  if (toggle && nav) {
    toggle.addEventListener('click', function () {
      var open = nav.classList.toggle('open');
      toggle.setAttribute('aria-expanded', open ? 'true' : 'false');
    });
  }

  // search suggest (progressive enhancement only)
  var input = document.querySelector('[data-suggest]');
  if (input && 'fetch' in window) {
    var box = null;
    function closeBox() { if (box) { box.remove(); box = null; } }
    input.addEventListener('input', function () {
      var q = input.value.trim();
      if (q.length < 2) { closeBox(); return; }
      fetch('/api/suggest?q=' + encodeURIComponent(q))
        .then(function (r) { return r.json(); })
        .then(function (data) {
          closeBox();
          if (!data.results || !data.results.length) return;
          box = document.createElement('div');
          box.className = 'suggest';
          box.setAttribute('role', 'listbox');
          data.results.forEach(function (r) {
            var a = document.createElement('a');
            a.href = r.url;
            a.textContent = r.name;
            a.setAttribute('role', 'option');
            a.style.cssText = 'display:block;padding:.55rem 1.1rem;color:var(--ink-900);font-size:.95rem;text-decoration:none';
            a.onmouseenter = function () { a.style.background = 'var(--brand-50)'; };
            a.onmouseleave = function () { a.style.background = 'none'; };
            box.appendChild(a);
          });
          Object.assign(box.style, {
            position: 'absolute', top: '100%', left: 0, right: 0, background: '#fff',
            borderRadius: '16px', boxShadow: 'var(--shadow-md)', zIndex: 60, overflow: 'hidden'
          });
          input.parentElement.style.position = 'relative';
          input.parentElement.appendChild(box);
        }).catch(function () {});
    });
    document.addEventListener('click', function (e) {
      if (box && !box.contains(e.target) && e.target !== input) closeBox();
    });
  }

  // service worker (PWA shell caching)
  if ('serviceWorker' in navigator && location.protocol === 'https:') {
    navigator.serviceWorker.register('/service-worker.js').catch(function () {});
  }
})();