.zap-widget {
  position: fixed;
  top: 70%;
  transform: translateY(-50%);
  right: 20px;
  z-index: 9999;
  font-family: "Segoe UI", Roboto, sans-serif;
}

/* popup */
.zap-popup {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 280px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.2);
  overflow: hidden;
  display: none;
  animation: fadeIn 0.3s ease;
}
.zap-popup.active { display: block; }

.zap-header {
  background: #075E54;
  color: #fff;
  padding: 10px 15px;
}
.zap-header p {
  margin: 0;
  font-size: 12px;
  opacity: 0.9;
}
.zap-body {
  padding: 15px;
  background: #e5ddd5;
}
.zap-msg {
  background: #fff;
  padding: 10px 12px;
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  margin-bottom: 10px;
  font-size: 14px;
}
.zap-send {
  display: block;
  background: #25D366;
  color: #fff;
  text-align: center;
  text-decoration: none;
  padding: 10px;
  border-radius: 8px;
  font-weight: 600;
}
.zap-send:hover {
  background: #20b85b;
}

/* botão flutuante */
.zap-btn {
  width: 56px;
  height: 56px;
  border: none;
  border-radius: 50%;
  background: #25D366;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
}
.zap-btn img {
  width: 28px;
  height: 28px;
}
.zap-btn:hover {
  transform: translateY(-3px);
  background: #20b85b;
}

/* animação */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}