.messenger-block {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
}

.mb-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #2ecc71; /* зелёный фон */
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: transform 0.2s ease, background-color 0.3s ease;
}

.mb-toggle:hover {
  transform: scale(1.05);
  background-color: #27ae60;
}

.mb-icon {
  font-size: 24px;
}

.mb-panel {
  position: absolute;
  bottom: 72px; /* выше кнопки */
  right: 0;
  width: 260px;
  background: #ffffff;
  padding: 16px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  border: 1px solid #e0e0e0;
}

.messenger-block.open .mb-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mb-close {
  position: absolute;
  top: 10px;
  right: 12px;
  background: none;
  border: none;
  color: #999;
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.mb-close:hover {
  color: #333;
}

.mb-title {
  margin: 0 0 14px 0;
  font-weight: 600;
  color: #333;
  text-align: center;
}

.mb-link {
  display: block;
  margin-bottom: 10px;
  padding: 8px;
  text-decoration: none;
  color: #333;
  border-radius: 6px;
  transition: background 0.2s;
}

/*.mb-link:hover {background-color: #f5f5f5;}*/

.mb-link-phone {
  color: #2ecc71;
}

/*.mb-link-phone:hover {background-color: transparent;}*/


@keyframes shake-icon {
  0%   { transform: translate(0, 0); }
  10%  { transform: translate(-2px, 2px); }
  20%  { transform: translate(4px, -1px); }
  30%  { transform: translate(-3px, -3px); }
  40%  { transform: translate(2px, 3px); }
  50%  { transform: translate(-1px, 1px); }
  60%  { transform: translate(3px, 0px); }
  70%  { transform: translate(-2px, -2px); }
  80%  { transform: translate(1px, 2px); }
  90%  { transform: translate(-3px, 1px); }
  100% { transform: translate(0, 0); }
}


.mb-icon {
  animation: shake-icon 0.6s infinite ease-in-out;
}

.messenger-block.open .mb-icon {
  animation: none;
}