(function(){ const btn = document.createElement('button'); btn.innerText = 'Chat'; btn.style.cssText = 'position:fixed;right:18px;bottom:18px;z-index:9999;padding:12px 14px;border-radius:999px;background:#111827;border:1px solid #27272a;color:#fff;cursor:pointer'; document.body.appendChild(btn); const wrap = document.createElement('div'); wrap.style.cssText = 'position:fixed;right:18px;bottom:70px;z-index:9999;width:320px;max-width:90vw;height:420px;display:none;background:#09090b;border:1px solid #27272a;border-radius:16px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.5)'; wrap.innerHTML = `

Bulma Chat ✕

`; document.body.appendChild(wrap); const log = wrap.querySelector('#bulmaLog'); const form = wrap.querySelector('#bulmaForm'); const msg = wrap.querySelector('#bulmaMsg'); const close = wrap.querySelector('#bulmaClose'); function add(who, text){ const div = document.createElement('div'); div.style.cssText = 'margin:8px 0;opacity:.95'; div.innerHTML = ''+who+': ' + text.replace(/ { wrap.style.display = (wrap.style.display==='none')?'block':'none'; if(wrap.style.display==='block'){ msg.focus(); } }; close.onclick = () => wrap.style.display='none'; form.onsubmit = async (e) => { e.preventDefault(); const t = msg.value.trim(); if(!t) return; msg.value=''; add('Tú', t); add('Bulma', 'pensando...'); const thinking = log.lastChild; try{ const r = await fetch('/api/chat', {method:'POST', headers:{'Content-Type':'application/json'}, body:JSON.stringify({message:t})}); const j = await r.json(); thinking.innerHTML = 'Bulma: ' + (j.reply||''); }catch(err){ thinking.innerHTML = 'Bulma: ' + 'Error de red'; } }; })();