.cm2-sticky-footer {
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  height: 56px;
  background: #fff;
  border-top: 1px solid #ddd;
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 9999;
}

.cm2-sticky-footer .footer-item {
  flex: 1;
  text-align: center;
  font-size: 12px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #555;
  transition: color 0.2s;
  position: relative;
}

.cm2-sticky-footer .footer-item svg,
.cm2-sticky-footer .footer-item img {
  width: 24px;
  height: 24px;
  margin-bottom: 2px;
  border-radius: 50%;
  fill: #555;               /* mặc định xám */
  transition: fill 0.2s;
}

/* Hover chỉ áp dụng cho chính item đó */
.cm2-sticky-footer .footer-item:hover {
  color: #1877f2;
}
.cm2-sticky-footer .footer-item:hover svg {
  fill: #1877f2;
}

/* Active giữ màu xanh */
.cm2-sticky-footer .footer-item.is-active {
  color: #1877f2;
}
.cm2-sticky-footer .footer-item.is-active svg {
  fill: #1877f2;
}

/* Badge */
.cm2-sticky-footer .badge {
  position: absolute;
  top: 4px;
  right: 18%;
  background: red;
  color: #fff;
  font-size: 11px;
  font-weight: bold;
  padding: 0 5px;
  border-radius: 20px;
}