.select-checkbox {
  position: relative;
  width: 360px;

  label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #333;
    font-weight: 500;
  }

  label span {
    color: #d93025;
  }

  /* Khung hiển thị các tag đã chọn */
  .select-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 42px;
    padding: 4px 12px;
    background: #fff;
    border: 1px solid #dcdfe6;
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s;
  }

  .select-box:hover {
    border-color: #c0c4cc;
  }

  .tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
  }

  .placeholder {
    color: #a8abb2;
    font-size: 14px;
    background-color: transparent;
  }

  /* Tag quốc gia */
  .tag {
    display: inline-flex;
    align-items: center;
    background-color: #f0f2f5;
    border-radius: 16px;
    padding: 3px 10px;
    font-size: 13px;
    color: #303133;
  }

  .tag .remove-tag {
    margin-left: 6px;
    cursor: pointer;
    color: #606266;
    font-size: 11px;
  }

  .tag .remove-tag:hover {
    color: #000;
  }

  .arrow-icon {
    color: #606266;
    font-size: 12px;
    margin-left: 8px;
    transition: transform 0.2s;
  }

  .form-group.active .arrow-icon {
    transform: rotate(180deg);
  }

  .dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 100%;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    padding: 8px 0;
    z-index: 1000;
  }

  .dropdown-item {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.15s;
  }

  .dropdown-item:hover {
    background-color: #f5f7fa;
  }

  .custom-checkbox {
    width: 18px;
    height: 18px;
    border: 1.5px solid #dcdfe6;
    border-radius: 4px;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    background: #fff;
  }

  .dropdown-item.selected .custom-checkbox {
    background-color: #111;
    border-color: #111;
  }

  .custom-checkbox i {
    color: #fff;
    font-size: 10px;
    display: none;
  }

  .dropdown-item.selected .custom-checkbox i {
    display: block;
  }

  .item-text {
    font-size: 14px;
    color: #303133;
  }
}