.custom-select {
  position: relative;
}

.select-options {
  position: absolute;
  width: 100%;
  background: #fff;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
  display: none;
  z-index: 1000;
  margin-top: 6px;
}

.select-options.show {
  display: block;
}

.option {
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
}

.option:hover {
  background: rgba(37,117,252,0.08);
}

.qr-preview-wrap {
  background: #f7f9fc;
  border: 1px dashed rgba(0,0,0,0.15);
  border-radius: 12px;
  padding: 18px;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.select-button.form-control {
  display: flex;
  align-items: center;
}