#ai-wa-fab{
  position:fixed; left:20px; bottom:20px; z-index:2147483000;
  display:inline-flex; align-items:center; gap:10px;
  padding:12px 16px; border-radius:999px; border:0;
  background:#25D366; color:#fff; font:600 14px/1.2 system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  box-shadow:0 10px 30px rgba(0,0,0,.25); cursor:pointer;
}
#ai-wa-fab svg{ display:block }
#ai-wa-panel{
  position:fixed; left:20px; bottom:80px; z-index:2147483000;
  width: min(92vw, 340px);
  background:#fff; color:#111;
  border-radius:16px; box-shadow:0 20px 60px rgba(0,0,0,.28);
  overflow:hidden; transform: translateY(20px); opacity:0; pointer-events:none;
  transition: transform .2s ease, opacity .2s ease;
}
#ai-wa-panel.open{ transform: translateY(0); opacity:1; pointer-events:auto; }
.ai-wa-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 14px; background:#f7f9fb; border-bottom:1px solid #e9edf3;
}
.ai-wa-head h4{ margin:0; font:700 14px/1.1 system-ui,-apple-system,"Segoe UI",Roboto,Arial }
.ai-wa-body{ padding:14px }
.ai-wa-row{ margin-bottom:10px }
.ai-wa-row label{ display:block; font:600 12px/1.2 system-ui; color:#334155; margin-bottom:6px }
.ai-wa-row input, .ai-wa-row textarea{
  width:90%; padding:10px 12px; border:1px solid #e5e7eb; border-radius:10px; outline:none;
  font:400 14px/1.3 system-ui; background:#fff;
}
.ai-wa-row input:focus, .ai-wa-row textarea:focus{ border-color:#25D366; box-shadow:0 0 0 3px rgba(37,211,102,.15) }
.ai-wa-actions{ display:flex; gap:8px; padding:12px 14px; border-top:1px solid #e9edf3; background:#f9fafb }
.ai-wa-btn{
  appearance:none; border:0; padding:10px 12px; border-radius:10px; cursor:pointer; font:600 14px/1.2 system-ui;
}
.ai-wa-success{
  color:#047857;             /* verde */
  font:600 12px/1.2 system-ui;
  margin:6px 0 0;
}
.ai-wa-btn.primary{ background:#25D366; color:#fff }
.ai-wa-btn.ghost{ background:#fff; color:#111; border:1px solid #e5e7eb }
.ai-wa-error{ color:#b91c1c; font:600 12px/1.2 system-ui; margin:6px 0 0 }
@media (max-width:480px){
  #ai-wa-panel{ left:12px; right:12px; width:auto }
  #ai-wa-fab{ left:12px; bottom:12px }
}