/* Nút liên hệ nổi (inc/contact_float.php): 1 nút, bấm vào hiện Messenger / Zalo / Email.
   Góc phải, phía trên avatar chatbot (.bp-widget-widget) và nút lên đầu trang. */
.contact-float {
  position: fixed;
  right: 32px;
  bottom: 170px;
  z-index: 9990;
}

/* Nút chính */
.contact-float-toggle {
  position: relative;
  width: 54px;
  height: 54px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #06516C;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.3);
  outline: none;
}

.contact-float-toggle::before {
  content: "";
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border-radius: 50%;
  border: 2px solid #06516C;
  opacity: 0;
  animation: contact-float-pulse 2s ease-out infinite;
}

.contact-float.open .contact-float-toggle::before {
  animation: none;
}

@keyframes contact-float-pulse {
  0% { transform: scale(0.85); opacity: 0.6; }
  100% { transform: scale(1.25); opacity: 0; }
}

.contact-float-close-icon,
.contact-float.open .contact-float-open-icon {
  display: none;
}

.contact-float.open .contact-float-close-icon {
  display: inline-block;
}

/* Danh sách lựa chọn (ẩn, hiện khi .open) */
.contact-float-menu {
  position: absolute;
  right: 0;
  bottom: 66px;
  min-width: 230px;
  margin: 0;
  padding: 8px 0;
  list-style: none;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.contact-float.open .contact-float-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.contact-float-item {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  color: #333;
  font-size: 15px;
  white-space: nowrap;
}

.contact-float-item:hover,
.contact-float-item:focus {
  background: #f2f5f8;
  color: #06516C;
  text-decoration: none;
}

.contact-float-icon {
  flex: 0 0 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-right: 12px;
  border-radius: 50%;
  color: #fff;
  font-size: 18px;
}

.contact-float-messenger {
  background: linear-gradient(45deg, #0099ff 0%, #a033ff 60%, #ff5280 90%, #ff7061 100%);
}

.contact-float-zalo {
  background: #0068ff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  font-weight: bold;
}

.contact-float-email {
  background: #ea4335;
  font-size: 16px;
}

@media (max-width: 767px) {
  .contact-float {
    right: 20px;
    bottom: 160px;
  }
  .contact-float-toggle {
    width: 48px;
    height: 48px;
    font-size: 21px;
  }
  .contact-float-menu {
    bottom: 60px;
    min-width: 210px;
  }
}