(function () {
  'use strict';

  // ── Onboarding ────────────────────────────────────────────────────────────
  const splashEl = document.getElementById('screen-splash');
  const obTrack  = document.getElementById('ob-track');
  const obDots   = document.querySelectorAll('.ob-dot');
  const obNext   = document.getElementById('ob-next');
  const obSkip   = document.getElementById('ob-skip');
  let obStep = 0;
  const OB_TOTAL = 4;

  if (localStorage.getItem('pawmap_onboarding_v2')) {
    splashEl.style.display = 'none';
  }

  function obGoTo(i) {
    obStep = i;
    obTrack.style.transform = `translateX(${-i * 100}%)`;
    obDots.forEach((d, idx) => d.classList.toggle('active', idx === i));
    obNext.textContent = i === OB_TOTAL - 1 ? 'Get Started' : 'Next →';
  }

  function obDismiss() {
    localStorage.setItem('pawmap_onboarding_v2', '1');
    splashEl.classList.add('splash-out');
    setTimeout(() => { splashEl.style.display = 'none'; }, 350);
  }

  function obShow() {
    splashEl.style.display = 'flex';
    // force reflow so the transition replays when re-opening
    void splashEl.offsetWidth;
    splashEl.classList.remove('splash-out');
    obGoTo(0);
  }

  obNext.addEventListener('click', () => {
    if (obStep < OB_TOTAL - 1) obGoTo(obStep + 1);
    else obDismiss();
  });
  obSkip.addEventListener('click', obDismiss);

  const menuBtn = document.getElementById('menu-btn');
  if (menuBtn) menuBtn.addEventListener('click', obShow);

  // Swipe support
  let obTouchX = null;
  obTrack.addEventListener('touchstart', e => { obTouchX = e.touches[0].clientX; }, { passive: true });
  obTrack.addEventListener('touchend', e => {
    if (obTouchX === null) return;
    const dx = e.changedTouches[0].clientX - obTouchX;
    obTouchX = null;
    if (dx < -40 && obStep < OB_TOTAL - 1) obGoTo(obStep + 1);
    if (dx >  40 && obStep > 0)            obGoTo(obStep - 1);
  }, { passive: true });

  // ── Icon helper ───────────────────────────────────────────────────────────
  function svgIcon(name, size=20, color='currentColor') {
    const ic = (typeof lucide !== 'undefined') && lucide.icons && lucide.icons[name];
    if (!ic) return '';
    const attrs = `xmlns="http://www.w3.org/2000/svg" width="${size}" height="${size}" viewBox="0 0 24 24" fill="none" stroke="${color}" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"`;
    const [,, children] = ic;
    const paths = children.map(([tag, a]) => {
      const attrStr = Object.entries(a).map(([k,v])=>`${k}="${v}"`).join(' ');
      return `<${tag} ${attrStr}/>`;
    }).join('');
    return `<svg ${attrs}>${paths}</svg>`;
  }


  // ── State ──────────────────────────────────────────────────────────────────
  let currentSpecies   = 'all';
  let currentTimeframe = 'all';
  let map, markersLayer;
  let trajectoryMap = null;
  let activeAnimal  = null;

  let selectedFile  = null;
  let gpsCoords     = null;
  let sessionId     = null;

  const header    = document.getElementById('header');
  const filterRow = document.getElementById('filter-row');
  const bottomNav = document.getElementById('bottom-nav');
  const photoInput= document.getElementById('photo-input');

  const FLOW_SCREENS = ['analysis', 'confirm', 'profile', 'help-proof'];

  // ── Navigation ─────────────────────────────────────────────────────────────
  function showScreen(name) {
    document.querySelectorAll('.screen').forEach(s => s.classList.remove('active'));
    const el = document.getElementById('screen-' + name);
    if (el) el.classList.add('active');

    const isFlow = FLOW_SCREENS.includes(name);
    header.classList.toggle('hidden', isFlow);
    bottomNav.classList.toggle('hidden', isFlow);
    filterRow.style.display = name === 'map' ? 'flex' : 'none';

    document.querySelectorAll('.nav-btn').forEach(b => b.classList.remove('active'));
    const navBtn = document.querySelector(`.nav-btn[data-screen="${name}"]`);
    if (navBtn) navBtn.classList.add('active');

    if (name === 'map' && map) setTimeout(() => map.invalidateSize(), 60);
    if (name === 'sightings') loadAnimals();
  }

  document.querySelectorAll('.nav-btn').forEach(btn =>
    btn.addEventListener('click', () => showScreen(btn.dataset.screen))
  );

  // ── MAP ────────────────────────────────────────────────────────────────────
  function initMap() {
    map = L.map('map', { zoomControl: false }).setView([-15.7801, -47.9292], 13);
    L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
      attribution: '© <a href="https://openstreetmap.org">OSM</a>', maxZoom: 19
    }).addTo(map);
    markersLayer = L.layerGroup().addTo(map);
    L.control.zoom({ position: 'bottomright' }).addTo(map);
    map.on('click', hideCard);
  }

  function makeIcon(a) {
    const isDog  = a.species === 'dog';
    const urgent = a.days_since > 30;
    const color  = urgent ? '#E53935' : isDog ? '#388C59' : '#FB8C00';
    const badge  = a.count > 1
      ? `<span style="position:absolute;top:-5px;right:-5px;background:#fff;color:${color};border:1.5px solid ${color};border-radius:10px;min-width:16px;height:16px;font-size:9px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 3px;">${a.count}</span>` : '';
    const fallbackSvg = svgIcon(isDog ? 'dog' : 'cat', 22, '#fff');
    const inner = a.photo_url
      ? `<img src="${a.photo_url}" style="width:38px;height:38px;border-radius:50%;object-fit:cover;" onerror="this.replaceWith(document.createRange().createContextualFragment(${JSON.stringify(fallbackSvg)}))"/>`
      : fallbackSvg;
    return L.divIcon({
      html: `<div style="position:relative;background:${color};width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 3px 10px rgba(0,0,0,.25);border:2.5px solid ${color};">${inner}${badge}</div>`,
      className:'', iconSize:[42,42], iconAnchor:[21,21], popupAnchor:[0,-26]
    });
  }

  function renderMarkers(data) {
    markersLayer.clearLayers();
    const pts = data.filter(a => a.lat && a.lng);
    document.getElementById('map-empty').style.display = pts.length ? 'none' : 'block';
    if (!pts.length) { hideCard(); return; }
    pts.forEach(a => {
      const m = L.marker([a.lat, a.lng], { icon: makeIcon(a) });
      m.on('click', e => { e.originalEvent.stopPropagation(); showCard(a); });
      markersLayer.addLayer(m);
    });
    if (typeof lucide !== 'undefined') lucide.createIcons();
    showCard(pts[0]);
  }

  function showCard(a) {
    activeAnimal = a;
    const isDog  = a.species === 'dog';
    const urgent = a.days_since > 30;
    const photo  = document.getElementById('card-photo');
    const animalIcon = svgIcon(isDog ? 'dog' : 'cat', 26, isDog ? '#388C59' : '#FB8C00');
    photo.innerHTML = a.photo_url
      ? `<img src="${a.photo_url}" alt="photo" style="width:52px;height:52px;border-radius:50%;object-fit:cover;" onerror="this.parentNode.innerHTML=animalIcon">`
      : animalIcon;
    const badge = document.getElementById('card-badge');
    badge.textContent = isDog ? 'Dog' : 'Cat';
    badge.className   = 'badge' + (urgent ? ' urgent' : (!isDog ? ' orange' : ''));
    document.getElementById('card-time').textContent     = a.days_since === 0 ? 'Today' : a.days_since === 1 ? 'Yesterday' : `${a.days_since}d ago`;
    document.getElementById('card-location').textContent = a.desc || (isDog ? 'Dog spotted' : 'Cat spotted');
    document.getElementById('card-sub').textContent      = `${a.count} sighting${a.count!==1?'s':''} · last: ${a.last_seen}`;
    document.getElementById('sighting-card').classList.remove('hidden');
  }

  function hideCard() {
    document.getElementById('sighting-card').classList.add('hidden');
    activeAnimal = null;
  }

  document.getElementById('card-btn').addEventListener('click', () => {
    if (activeAnimal) openProfile(activeAnimal.id);
  });

  async function loadMapData() {
    try {
      const data = await fetch(`/api/map-data?species=${currentSpecies}&timeframe=${currentTimeframe}`).then(r => r.json());
      renderMarkers(data);
    } catch(e) { console.error(e); }
  }

  document.querySelectorAll('.chip[data-species]').forEach(btn => {
    btn.addEventListener('click', () => {
      document.querySelectorAll('.chip[data-species]').forEach(b => b.classList.remove('active'));
      btn.classList.add('active'); currentSpecies = btn.dataset.species; loadMapData();
    });
  });
  document.querySelectorAll('.chip[data-timeframe]').forEach(btn => {
    btn.addEventListener('click', () => {
      const was = btn.classList.contains('active');
      document.querySelectorAll('.chip[data-timeframe]').forEach(b => b.classList.remove('active'));
      currentTimeframe = was ? 'all' : btn.dataset.timeframe;
      if (!was) btn.classList.add('active');
      loadMapData();
    });
  });

  // ── SIGHTINGS LIST ─────────────────────────────────────────────────────────
  let animalsCache = null;

  async function loadAnimals(force = false) {
    if (animalsCache && !force) { renderAnimalList(animalsCache); return; }
    document.getElementById('animals-list').innerHTML = `<div style="padding:40px 16px;text-align:center;color:#aaa;font-size:14px;">Loading...</div>`;
    try {
      const data = await fetch('/api/animals').then(r => r.json());
      animalsCache = data;
      renderAnimalList(data);
    } catch(e) {
      document.getElementById('animals-list').innerHTML = `<div style="padding:40px 16px;text-align:center;color:#E53935;font-size:13px;">Failed to load. Try again.</div>`;
    }
  }

  function renderAnimalList(animals) {
    const list = document.getElementById('animals-list');
    const count = document.getElementById('sightings-count');
    count.textContent = `${animals.length} animal${animals.length !== 1 ? 's' : ''} on record`;

    if (!animals.length) {
      list.innerHTML = `<div class="animals-empty"><div class="ph-icon"><i data-lucide="paw-print"></i></div><p>No animals on record yet.<br>Go to the Report tab to get started!</p></div>`;
      return;
    }

    list.innerHTML = animals.map(a => {
      const isDog   = a.species === 'dog';
      const urgent  = (a.days_since || 0) > 30;
      const em      = svgIcon(isDog ? 'dog' : 'cat', 28, isDog ? '#388C59' : '#FB8C00');
      const name    = isDog ? 'Dog' : 'Cat';
      let desc = '';
      try { const d = JSON.parse(a.description || '{}'); desc = [d.breed_estimate, d.primary_color].filter(Boolean).join(' · '); } catch(e){}
      const photoHtml = a.photo_url
        ? `<img src="${a.photo_url}" alt="photo" style="width:58px;height:58px;object-fit:cover;border-radius:12px;" onerror="this.parentNode.innerHTML=\`${em}\`">`
        : em;
      return `
        <div class="animal-item" data-id="${a.id}">
          <div class="animal-item-photo">${photoHtml}</div>
          <div class="animal-item-info">
            <div class="animal-item-name">${name} #${a.id}</div>
            <div class="animal-item-breed">${desc || 'Unknown breed'}</div>
            <div class="animal-item-meta${urgent?' urgent':''}">
              ${urgent ? svgIcon('triangle-alert',13,'#E53935')+' Not seen for '+a.days_since+'d' : 'Seen '+formatDays(a.days_since)+' · '+a.sighting_count+'x spotted'}
            </div>
          </div>
          <div class="animal-item-badge${urgent?' urgent':''}">
            ${a.sighting_count}x
          </div>
        </div>`;
    }).join('');

    if (typeof lucide !== 'undefined') lucide.createIcons();
    list.querySelectorAll('.animal-item').forEach(el => {
      el.addEventListener('click', () => openProfile(parseInt(el.dataset.id)));
    });
  }

  function formatDays(d) {
    if (!d || d === 0) return 'today';
    if (d === 1) return 'yesterday';
    return `${d} days ago`;
  }

  document.getElementById('refresh-btn').addEventListener('click', () => loadAnimals(true));

  // ── PROFILE / FICHA ────────────────────────────────────────────────────────
  let profileAnimalId = null;

  async function openProfile(id) {
    profileAnimalId = id;
    window.profileAnimalId = id;
    showScreen('profile');

    // Reset
    const heroImgEl = document.getElementById('profile-hero-img');
    heroImgEl.src = '';
    heroImgEl.style.display = 'block';
    document.getElementById('profile-title').textContent = 'Loading...';
    document.getElementById('profile-status-text').textContent = '';
    document.getElementById('profile-badge-text').textContent = '...';
    document.getElementById('profile-gallery').innerHTML = '';
    document.getElementById('prof-species').textContent = '—';
    document.getElementById('prof-breed').textContent   = '—';
    document.getElementById('prof-size').textContent    = '—';
    document.getElementById('prof-color').innerHTML     = '—';
    if (trajectoryMap) { trajectoryMap.remove(); trajectoryMap = null; }

    try {
      const data    = await fetch(`/api/animal/${id}`).then(r => r.json());
      const animal  = data.animal;
      const sightings = data.sightings || [];
      const helpEvents = data.help_events || [];
      let desc = {};
      try { desc = JSON.parse(animal.description || '{}'); } catch(e){}

      const isDog   = animal.species === 'dog';
      const breed   = desc.breed_estimate  || 'Unknown';
      const color   = desc.primary_color   || '—';
      const size    = desc.size            || '—';
      const count   = animal.sighting_count || sightings.length;
      const daysSince = animal.days_since || 0;

      // Hero image
      const heroPhoto = sightings.find(s => s.photo_url)?.photo_url || '';
      if (heroPhoto) {
        const img = document.getElementById('profile-hero-img');
        img.src = heroPhoto;
        img.onerror = () => { img.style.display = 'none'; };
      }

      // Badge
      document.getElementById('profile-badge-text').textContent = `${count} sighting${count !== 1 ? 's' : ''}`;

      // Title & status — prefer user-given name
      const colorCap = color.charAt(0).toUpperCase() + color.slice(1);
      const autoName = `${isDog ? 'Dog' : 'Cat'} ${colorCap}`.trim();
      const name = (animal.name && animal.name !== 'null') ? animal.name : autoName;
      document.getElementById('profile-title').textContent = name;
      const statusText = daysSince === 0 ? 'Seen today' : daysSince === 1 ? 'Seen yesterday' : `Seen ${daysSince} days ago`;
      document.getElementById('profile-status-text').textContent = statusText;

      // Identification
      document.getElementById('prof-species').innerHTML = `${svgIcon(isDog?'dog':'cat',16)} ${isDog ? 'Dog' : 'Cat'}`;
      document.getElementById('prof-breed').textContent   = breed;
      document.getElementById('prof-size').textContent    = mapSizeLabel(size);
      const colorDot = colorToHex(color);
      document.getElementById('prof-color').innerHTML = colorDot
        ? `<span class="color-dot" style="background:${colorDot}"></span>${colorCap}`
        : colorCap;

      // AI description callout
      const aiDescEl  = document.getElementById('profile-ai-desc');
      const aiTextEl  = document.getElementById('profile-ai-text');
      const aiText    = desc.description_text || '';
      const condition = desc.condition || '';
      const marks     = (desc.distinctive_marks || []).filter(Boolean);
      if (aiText) {
        let aiContent = aiText.charAt(0).toUpperCase() + aiText.slice(1);
        if (condition) aiContent += ` · Condition: ${condition}`;
        if (marks.length) aiContent += ` · Marks: ${marks.join(', ')}`;
        aiTextEl.textContent = aiContent;
        aiDescEl.style.display = 'flex';
      } else {
        aiDescEl.style.display = 'none';
      }

      // Helped banner
      const helpedBanner = document.getElementById('profile-helped-banner');
      helpedBanner.style.display = helpEvents.length ? 'flex' : 'none';

      // Gallery
      const gallery = document.getElementById('profile-gallery');
      const photosWithUrl = sightings.filter(s => s.photo_url);
      if (photosWithUrl.length) {
        gallery.innerHTML = photosWithUrl.map(s => {
          const dt = s.created_at ? new Date(s.created_at) : null;
          const dateStr = dt ? dt.toLocaleDateString('en-US', {day:'2-digit', month:'2-digit'}) : '';
          const timeStr = dt ? dt.toLocaleTimeString('en-US', {hour:'2-digit', minute:'2-digit'}) : '';
          const locStr  = (s.latitude && s.longitude) ? `${s.latitude.toFixed(3)}, ${s.longitude.toFixed(3)}` : 'Location not recorded';
          return `
            <div class="gallery-card">
              <div class="gallery-card-img-wrap">
                <img class="gallery-card-img" src="${s.photo_url}" alt="sighting"
                  onerror="this.style.background='#eee';this.src=''"/>
                <button class="gallery-card-menu-btn" data-url="${s.photo_url}" data-date="${dateStr}" aria-label="Options">
                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round">
                    <circle cx="12" cy="5" r="1.2" fill="currentColor" stroke="none"/>
                    <circle cx="12" cy="12" r="1.2" fill="currentColor" stroke="none"/>
                    <circle cx="12" cy="19" r="1.2" fill="currentColor" stroke="none"/>
                  </svg>
                </button>
              </div>
              <div class="gallery-card-info">
                <div class="gallery-card-date">
                  <svg viewBox="0 0 24 24"><rect x="3" y="4" width="18" height="18" rx="2"/><line x1="16" y1="2" x2="16" y2="6"/><line x1="8" y1="2" x2="8" y2="6"/><line x1="3" y1="10" x2="21" y2="10"/></svg>
                  ${dateStr}${timeStr ? ', '+timeStr : ''}
                </div>
                <div class="gallery-card-loc">${locStr}</div>
              </div>
            </div>`;
        }).join('');
    if (typeof lucide !== 'undefined') lucide.createIcons();
      } else {
        gallery.innerHTML = `<div style="font-size:13px;color:#aaa;padding:8px 0;">No photos recorded.</div>`;
      }

      // Community Help section
      const helpSection = document.getElementById('profile-help-section');
      const helpList    = document.getElementById('profile-help-list');
      const helpTypeLabels = {
        fed:     '<i data-lucide="utensils"></i> Fed',
        vet:     '<i data-lucide="stethoscope"></i> Took to vet',
        adopted: '<i data-lucide="home"></i> Adopted',
        rescued: '<i data-lucide="shield-check"></i> Rescued',
        other:   '<i data-lucide="heart"></i> Helped',
      };
      if (helpEvents.length) {
        helpSection.style.display = '';
        helpList.innerHTML = helpEvents.map(h => {
          const dt      = h.created_at ? new Date(h.created_at) : null;
          const dateStr = dt ? dt.toLocaleDateString('en-US', {day:'2-digit', month:'short', year:'numeric'}) : '';
          const label   = helpTypeLabels[h.help_type] || '<i data-lucide="heart"></i> Helped';
          return '<div class="help-event-card">'
            + (h.photo_url ? '<img class="help-event-photo" src="' + h.photo_url + '" alt="help proof" onerror="this.style.display=\'none\'"/>' : '')
            + '<div class="help-event-body">'
            + '<div class="help-event-label">' + label + '</div>'
            + (h.notes ? '<div class="help-event-notes">' + h.notes + '</div>' : '')
            + (dateStr ? '<div class="help-event-date">' + dateStr + '</div>' : '')
            + '</div></div>';
        }).join('');
        if (typeof lucide !== 'undefined') lucide.createIcons();
      } else {
        helpSection.style.display = 'none';
      }

      // Trajectory mini-map
      const pts = sightings.filter(s => s.latitude && s.longitude);
      initTrajectoryMap(pts);
      if (typeof lucide !== 'undefined') lucide.createIcons();

    } catch(e) {
      console.error(e);
      document.getElementById('profile-title').textContent = 'Failed to load';
    }
  }

  function initTrajectoryMap(points) {
    const el = document.getElementById('trajectory-map');
    if (trajectoryMap) { trajectoryMap.remove(); trajectoryMap = null; }

    if (!points.length) {
      el.innerHTML = `<div style="height:180px;display:flex;align-items:center;justify-content:center;font-size:13px;color:#aaa;border-radius:12px;background:#f5f5f5;">No locations recorded</div>`;
      return;
    }

    el.innerHTML = '';
    el.style.height = '180px';

    const center = [points[0].latitude, points[0].longitude];
    trajectoryMap = L.map(el, { zoomControl: false, attributionControl: false, dragging: false, scrollWheelZoom: false, doubleClickZoom: false, touchZoom: false }).setView(center, 14);
    L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', { maxZoom: 19 }).addTo(trajectoryMap);

    const latlngs = points.map(p => [p.latitude, p.longitude]);

    if (latlngs.length > 1) {
      L.polyline(latlngs, { color: '#388C59', weight: 2.5, opacity: .7, dashArray: '6,4' }).addTo(trajectoryMap);
    }

    points.forEach((p, i) => {
      const isLast = i === 0;
      const icon = L.divIcon({
        html: `<div style="width:${isLast?16:10}px;height:${isLast?16:10}px;border-radius:50%;background:${isLast?'#388C59':'#88c4a4'};border:2px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.2);"></div>`,
        className:'', iconSize:[isLast?16:10, isLast?16:10], iconAnchor:[isLast?8:5, isLast?8:5]
      });
      L.marker([p.latitude, p.longitude], { icon }).addTo(trajectoryMap);
    });

    if (latlngs.length > 1) {
      trajectoryMap.fitBounds(latlngs, { padding: [20, 20] });
    }
    setTimeout(() => trajectoryMap && trajectoryMap.invalidateSize(), 100);
  }

  function mapSizeLabel(s) {
    if (!s) return '—';
    const l = s.toLowerCase();
    if (l.includes('small') || l.includes('pequen')) return '↕ Small';
    if (l.includes('large') || l.includes('grand'))  return '↕ Large';
    if (l.includes('médio') || l.includes('medio') || l.includes('medium')) return '↕ Medium';
    return '↕ ' + s;
  }

  function colorToHex(color) {
    const map = { caramelo:'#D2691E', preto:'#222', branco:'#f0f0f0', cinza:'#999', marrom:'#8B4513', amarelo:'#F5C542', mesclado:'linear-gradient(135deg,#888 50%,#D2691E 50%)' };
    return map[(color||'').toLowerCase()] || null;
  }

  document.getElementById('profile-back-btn').addEventListener('click', () => {
    if (trajectoryMap) { trajectoryMap.remove(); trajectoryMap = null; }
    showScreen('sightings');
  });

  // ── REGISTER ───────────────────────────────────────────────────────────────
  document.getElementById('shutter-btn').addEventListener('click', () => photoInput.click());
  photoInput.addEventListener('change', e => {
    const file = e.target.files[0]; if (!file) return;
    selectedFile = file;
    const url = URL.createObjectURL(file);
    document.getElementById('photo-preview').src = url;
    document.getElementById('photo-preview').style.display = 'block';
    document.getElementById('camera-placeholder').style.display = 'none';
    updateSubmitBtn();
  });

  document.getElementById('gps-pill').addEventListener('click', requestGPS);
  document.getElementById('gps-btn').addEventListener('click', requestGPS);

  function requestGPS() {
    if (!navigator.geolocation) { document.getElementById('gps-text').textContent = 'GPS not available'; return; }
    const txt = document.getElementById('gps-text');
    const btn = document.getElementById('gps-btn');
    txt.textContent = 'Detecting...'; txt.classList.remove('located'); btn.disabled = true;
    navigator.geolocation.getCurrentPosition(
      pos => {
        gpsCoords = { lat: pos.coords.latitude, lng: pos.coords.longitude };
        txt.textContent = `${gpsCoords.lat.toFixed(4)}, ${gpsCoords.lng.toFixed(4)}`; txt.classList.add('located');
        btn.innerHTML = `<svg viewBox="0 0 24 24" style="width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7z"/><circle cx="12" cy="9" r="2.5"/></svg> Location Added`;
        btn.classList.add('located'); btn.disabled = false; updateSubmitBtn();
      },
      err => {
        const msgs = {1:'Permission denied',2:'Location unavailable',3:'GPS timeout'};
        txt.textContent = msgs[err.code] || 'GPS error'; btn.disabled = false;
      },
      { enableHighAccuracy: true, timeout: 15000, maximumAge: 0 }
    );
  }

  function updateSubmitBtn() { document.getElementById('submit-reg-btn').disabled = !selectedFile; }

  document.getElementById('submit-reg-btn').addEventListener('click', async () => {
    if (!selectedFile) return;
    showScreen('analysis');
    await runAnalysis();
  });

  // ── GRADIO CLIENT ──────────────────────────────────────────────────────────
  let _client = null, _handleFile = null;
  async function getClient() {
    if (!_client) {
      const mod = await import('https://cdn.jsdelivr.net/npm/@gradio/client/dist/index.min.js');
      _handleFile = mod.handle_file;
      _client = await mod.Client.connect(window.location.origin);
    }
    return { client: _client, handleFile: _handleFile };
  }

  // ── ANALYSIS ───────────────────────────────────────────────────────────────
  async function runAnalysis() {
    document.getElementById('analysis-photo').src = URL.createObjectURL(selectedFile);
    const aiBadge = document.getElementById('ai-badge');
    aiBadge.className = ''; document.getElementById('ai-badge-text').textContent = 'AI Analyzing...';
    document.getElementById('animal-result-badge').classList.remove('visible');
    const confirmBtn = document.getElementById('confirm-btn');
    confirmBtn.disabled = true; confirmBtn.innerHTML = '<div class="spinner"></div> Analyzing...';

    try {
      const { client, handleFile } = await getClient();
      const res = await client.predict('/analyze_image', { image_path: handleFile(selectedFile) });
      const data = res.data[0];

      if (data.error) {
        aiBadge.className = 'error';
        document.getElementById('ai-badge-text').textContent = 'No animal found';
        document.getElementById('result-badge-text').textContent = data.error;
        document.getElementById('animal-result-badge').classList.add('visible', 'error');
        confirmBtn.style.display = 'none';
        document.getElementById('discard-btn').textContent = '← Take another photo';
        return;
      }

      sessionId = data.session_id;
      const desc = data.description || {};
      setSelectVal('sel-species', desc.species === 'cat' ? 'cat' : 'dog');
      setSelectVal('sel-breed',   desc.breed_estimate || 'SRD');
      setSelectVal('sel-color',   desc.primary_color  || 'Caramelo');
      setSelectVal('sel-size',    mapSizeOpt(desc.size));
      aiBadge.className = 'done'; document.getElementById('ai-badge-text').textContent = 'AI Done';
      const sp = desc.species === 'cat' ? 'Cat' : 'Dog';
      const co = (desc.primary_color || '').charAt(0).toUpperCase() + (desc.primary_color || '').slice(1);
      document.getElementById('result-badge-text').textContent = `${sp} ${co}`.trim();
      document.getElementById('animal-result-badge').classList.add('visible');
      renderSimilar(data.similar || []);
      confirmBtn.disabled = false; confirmBtn.innerHTML = 'Confirm & Report →';
    } catch(err) {
      console.error(err);
      document.getElementById('ai-badge-text').textContent = 'Analysis error';
      confirmBtn.disabled = false; confirmBtn.innerHTML = 'Confirm without AI →';
    }
  }

  // ── Breed lists ───────────────────────────────────────────────────────────
  const DOG_BREEDS = [
    'SRD', 'Labrador Retriever', 'Golden Retriever', 'Pitbull', 'Poodle',
    'Shih Tzu', 'Rottweiler', 'German Shepherd', 'Bulldog', 'Dachshund',
    'Chihuahua', 'Siberian Husky', 'Border Collie', 'Beagle', 'Boxer',
    'Maltese', 'Chow Chow', 'Akita', 'Dalmatian', 'Doberman', 'Other',
  ];
  const CAT_BREEDS = [
    'Domestic Shorthair', 'Domestic Longhair', 'Siamese', 'Persian',
    'Maine Coon', 'Bengal', 'British Shorthair', 'Ragdoll', 'Scottish Fold',
    'Turkish Angora', 'Sphynx', 'Abyssinian', 'Other',
  ];

  function populateBreeds(species) {
    const sel = document.getElementById('sel-breed');
    if (!sel) return;
    const list = species === 'cat' ? CAT_BREEDS : DOG_BREEDS;
    const current = sel.value;
    sel.innerHTML = list.map(b => `<option value="${b}">${b}</option>`).join('');
    // Keep current selection if it still exists
    if (list.includes(current)) sel.value = current;
  }

  // Repopulate breeds when species changes
  document.getElementById('sel-species').addEventListener('change', e => {
    populateBreeds(e.target.value);
  });

  // Init with dogs
  populateBreeds('dog');

  function setSelectVal(id, val) {
    const sel = document.getElementById(id); if (!sel) return;
    // If setting species, repopulate breeds first
    if (id === 'sel-species') populateBreeds(val);
    for (const opt of sel.options) { if (opt.value.toLowerCase() === (val||'').toLowerCase()) { sel.value = opt.value; return; } }
    // If breed not found in list, select "Other"
    if (id === 'sel-breed') { sel.value = 'Other'; }
  }
  function mapSizeOpt(s) { if (!s) return 'Médio'; const l = s.toLowerCase(); if (l.includes('small')||l.includes('pequen')) return 'Pequeno'; if (l.includes('large')||l.includes('grand')) return 'Grande'; return 'Médio'; }

  function renderSimilar(similar) {
    const section = document.getElementById('similar-section');
    const scroll  = document.getElementById('similar-scroll');
    if (!similar.length) { section.style.display = 'none'; return; }
    section.style.display = '';
    scroll.innerHTML = similar.map(m => `
      <div class="similar-card">
        <div style="position:relative;height:120px;display:flex;align-items:center;justify-content:center;font-size:36px;background:#f5f5f5;">
          ${m.photo_url ? `<img src="${m.photo_url}" style="width:100%;height:120px;object-fit:cover;" onerror="this.style.display='none'">` : svgIcon('paw-print',36,'#ccc')}
          <span class="match-pct">${m.score_pct}%</span>
        </div>
        <div class="similar-card-info">
          <div class="days">${m.days_ago ? m.days_ago+' days ago' : 'Registered'}</div>
          <div class="dist">Animal #${m.id}</div>
        </div>
      </div>`).join('');
  }

  document.querySelectorAll('.cond-chip').forEach(b => b.addEventListener('click', () => b.classList.toggle('active')));
  document.getElementById('analysis-back').addEventListener('click', () => showScreen('register'));
  document.getElementById('discard-btn').addEventListener('click', () => {
    const confirmBtn = document.getElementById('confirm-btn');
    confirmBtn.style.display = '';
    confirmBtn.disabled = false;
    confirmBtn.innerHTML = 'Confirm & Report →';
    document.getElementById('discard-btn').textContent = 'Discard Photo';
    document.getElementById('animal-result-badge').classList.remove('visible','error');
    resetRegister(); showScreen('register');
  });

  // ── CONFIRM ────────────────────────────────────────────────────────────────
  document.getElementById('confirm-btn').addEventListener('click', async () => {
    const btn = document.getElementById('confirm-btn');
    btn.disabled = true; btn.innerHTML = '<div class="spinner"></div> Saving...';

    const capturedSpecies = document.getElementById('sel-species').value;
    const capturedBreed   = document.getElementById('sel-breed').value;
    const capturedColor   = document.getElementById('sel-color').value;
    const capturedSize    = document.getElementById('sel-size').value;
    const capturedCond    = [...document.querySelectorAll('.cond-chip.active')].map(c => c.dataset.val).join(', ');

    try {
      const { client } = await getClient();
      const gpsJson    = gpsCoords ? JSON.stringify(gpsCoords) : '';
      const notes      = document.getElementById('notes-input').value.trim();
      const animalName = (document.getElementById('animal-name-input').value || '').trim();
      const res = await client.predict('/confirm_sighting', { session_id: sessionId||'', gps_json: gpsJson, notes, condition: capturedCond, animal_name: animalName });
      const data = res.data[0];
      if (data.error) { alert(data.error); btn.disabled=false; btn.innerHTML='Confirm & Report →'; return; }
      document.getElementById('confirm-animal').textContent = data.name || '—';
      document.getElementById('confirm-local').textContent  = data.location || '—';
      document.getElementById('confirm-hora').textContent   = data.time || '—';
      const photoWrap = document.getElementById('confirm-photo');
      const specIcon = svgIcon(data.species === 'dog' ? 'dog' : 'cat', 72, data.species === 'dog' ? '#388C59' : '#FB8C00');
      photoWrap.innerHTML = data.photo_url
        ? `<img src="${data.photo_url}" style="width:160px;height:160px;object-fit:cover;border-radius:50%;" onerror="this.parentNode.innerHTML=\`${specIcon}\`">`
        : specIcon;

      const specLabel  = capturedSpecies === 'dog' ? 'Dog' : 'Cat';
      const sizeLabels = { Pequeno:'↕ Small', Médio:'↕ Medium', Grande:'↕ Large' };
      const colorDot   = colorToHex(capturedColor);
      const colorSwatch = colorDot ? `<span style="display:inline-block;width:10px;height:10px;border-radius:50%;background:${colorDot};margin-right:4px;vertical-align:middle;border:1px solid rgba(0,0,0,.15)"></span>` : '';
      document.getElementById('confirm-id-grid').innerHTML = `
        <div class="cig-label">AI Identification</div>
        <div class="cig-cells">
          <div class="cig-cell"><div class="cig-key">Species</div><div class="cig-val">${svgIcon(capturedSpecies==='dog'?'dog':'cat',13)} ${specLabel}</div></div>
          <div class="cig-cell"><div class="cig-key">Breed</div><div class="cig-val">${capturedBreed}</div></div>
          <div class="cig-cell"><div class="cig-key">Size</div><div class="cig-val">${sizeLabels[capturedSize]||capturedSize}</div></div>
          <div class="cig-cell"><div class="cig-key">Color</div><div class="cig-val">${colorSwatch}${capturedColor}</div></div>
          ${capturedCond ? `<div class="cig-cell cig-full"><div class="cig-key">Condition</div><div class="cig-val">${capturedCond}</div></div>` : ''}
        </div>`;

      animalsCache = null;
      showScreen('confirm'); loadMapData();
    } catch(err) {
      console.error(err); alert('Error saving. Please try again.');
      btn.disabled=false; btn.innerHTML='Confirm & Report →';
    }
  });

  document.getElementById('register-another-btn').addEventListener('click', () => { resetRegister(); showScreen('register'); });
  document.getElementById('go-map-btn').addEventListener('click', () => showScreen('map'));

  function resetRegister() {
    selectedFile = null; gpsCoords = null; sessionId = null;
    document.getElementById('photo-preview').style.display = 'none';
    document.getElementById('photo-preview').src = '';
    document.getElementById('camera-placeholder').style.display = 'flex';
    document.getElementById('photo-input').value = '';
    document.getElementById('notes-input').value = '';
    document.getElementById('animal-name-input').value = '';
    document.getElementById('gps-text').textContent = 'Tap to detect location';
    document.getElementById('gps-text').classList.remove('located');
    const btn = document.getElementById('gps-btn');
    btn.className = 'btn-secondary';
    btn.innerHTML = `<svg viewBox="0 0 24 24" style="width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7z"/><circle cx="12" cy="9" r="2.5"/></svg> Add Location`;
    btn.disabled = false;
    document.querySelectorAll('.cond-chip').forEach(c => c.classList.remove('active'));
    updateSubmitBtn();
  }

  // ── PHOTO CONTEXT MENU ────────────────────────────────────────────────────
  let photoMenuUrl = null;
  const photoMenu  = document.getElementById('photo-menu');

  function openPhotoMenu(btn) {
    photoMenuUrl = btn.dataset.url;
    const rect   = btn.getBoundingClientRect();
    const appRect = document.getElementById('app').getBoundingClientRect();
    photoMenu.classList.remove('hidden');
    // Position below the button, clamped inside app
    let top  = rect.bottom - appRect.top + 4;
    let left = rect.right  - appRect.left - photoMenu.offsetWidth;
    if (left < 8) left = 8;
    photoMenu.style.top  = top  + 'px';
    photoMenu.style.left = left + 'px';
  }

  function closePhotoMenu() { photoMenu.classList.add('hidden'); photoMenuUrl = null; }

  document.getElementById('app').addEventListener('click', e => {
    const btn = e.target.closest('.gallery-card-menu-btn');
    if (btn) { e.stopPropagation(); openPhotoMenu(btn); return; }
    if (!photoMenu.contains(e.target)) closePhotoMenu();
  });

  document.getElementById('photo-menu-download').addEventListener('click', () => {
    if (!photoMenuUrl) return;
    const a = document.createElement('a');
    a.href     = photoMenuUrl;
    a.download = 'pawmap-photo.jpg';
    a.target   = '_blank';
    document.body.appendChild(a);
    a.click();
    document.body.removeChild(a);
    closePhotoMenu();
  });

  // ── HELP SHEET ────────────────────────────────────────────────────────────
  let helpAnimal = null;

  function openHelpSheet(animalData) {
    helpAnimal = animalData;
    const isDog = animalData.species === 'dog';

    // Populate header
    const photoEl = document.getElementById('help-animal-photo');
    const heroPhoto = (animalData.sightings || []).find(s => s.photo_url)?.photo_url || animalData.photo_url || '';
    photoEl.innerHTML = heroPhoto
      ? `<img src="${heroPhoto}" onerror="this.style.display='none'">`
      : `<span style="font-size:2rem;opacity:.4">${isDog ? 'Dog' : 'Cat'}</span>`;

    let desc = {};
    try { desc = JSON.parse(animalData.description || '{}'); } catch(e) {}
    const color = (desc.primary_color || '').charAt(0).toUpperCase() + (desc.primary_color || '').slice(1);
    document.getElementById('help-animal-name').textContent = `${isDog ? 'Dog' : 'Cat'} ${color}`.trim() || `Animal #${animalData.id}`;
    document.getElementById('help-animal-sub').textContent  = `${animalData.sighting_count || 1} sighting${(animalData.sighting_count||1)!==1?'s':''} · last seen ${animalData.last_seen || 'recently'}`;

    document.getElementById('help-overlay').classList.remove('hidden');
    document.getElementById('help-sheet').classList.remove('hidden');
    requestAnimationFrame(() => document.getElementById('help-sheet').classList.add('open'));
  }

  function closeHelpSheet() {
    const sheet = document.getElementById('help-sheet');
    sheet.classList.remove('open');
    setTimeout(() => {
      sheet.classList.add('hidden');
      document.getElementById('help-overlay').classList.add('hidden');
    }, 300);
  }

  document.getElementById('btn-adopt').addEventListener('click', () => {
    // Pass current profile animal data
    fetch(`/api/animal/${profileAnimalId}`).then(r => r.json()).then(data => {
      openHelpSheet({ ...data.animal, sightings: data.sightings });
    });
  });

  document.getElementById('help-cancel').addEventListener('click', closeHelpSheet);
  document.getElementById('help-overlay').addEventListener('click', closeHelpSheet);

  // Share
  document.getElementById('help-share').addEventListener('click', () => {
    const url = `${window.location.origin}/#animal/${profileAnimalId}`;
    const text = `Help this stray animal find a home! Track their location on PawMap: ${url}`;
    if (navigator.share) {
      navigator.share({ title: 'PawMap', text, url }).catch(() => {});
    } else {
      const wa = `https://wa.me/?text=${encodeURIComponent(text)}`;
      window.open(wa, '_blank');
    }
    closeHelpSheet();
  });

  // Directions
  document.getElementById('help-directions').addEventListener('click', () => {
    if (!helpAnimal) return;
    const sightings = helpAnimal.sightings || [];
    const last = sightings.find(s => s.latitude && s.longitude);
    if (last) {
      window.open(`https://www.google.com/maps/dir/?api=1&destination=${last.latitude},${last.longitude}`, '_blank');
    } else {
      alert('No location recorded for this animal yet.');
    }
    closeHelpSheet();
  });

  // I helped → nova tela
  document.getElementById('help-helped').addEventListener('click', () => {
    closeHelpSheet();
    window.openHelpProofScreen();
  });

  document.getElementById('helped-ok').addEventListener('click', () => {
    const confirm = document.getElementById('helped-confirm');
    confirm.classList.remove('open');
    setTimeout(() => confirm.classList.add('hidden'), 300);
  });

  // ── Photo lightbox ────────────────────────────────────────────────────────
  const lightbox     = document.getElementById('photo-lightbox');
  const lightboxImg  = document.getElementById('lightbox-img');
  function openLightbox(src) {
    lightboxImg.src = src;
    lightbox.classList.remove('hidden');
    document.body.style.overflow = 'hidden';
  }
  function closeLightbox() {
    lightbox.classList.add('hidden');
    lightboxImg.src = '';
    document.body.style.overflow = '';
  }
  document.getElementById('lightbox-close').addEventListener('click', closeLightbox);
  document.querySelector('.lightbox-backdrop').addEventListener('click', closeLightbox);
  document.addEventListener('keydown', e => { if (e.key === 'Escape') closeLightbox(); });
  document.getElementById('profile-help-list').addEventListener('click', e => {
    const img = e.target.closest('.help-event-photo');
    if (img) openLightbox(img.src);
  });

  // Expor para help-proof.js
  window.showScreen      = showScreen;
  window.openProfile     = openProfile;
  window.getGradioClient = getClient;

  // ── BOOT ──────────────────────────────────────────────────────────────────
  initMap();
  loadMapData();
  if (typeof lucide !== 'undefined') lucide.createIcons();
})();