.extendfield-select-wrapper {
  width: 100%;
  font-family: sans-serif;
  position: relative;
}

.extendfield-select-toggle {
  border: 1px solid #aaa;
  border-radius: 6px;
  padding: 8px;
  background: white;
  cursor: pointer;
}

.extendfield-select {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid #aaa;
  border-top: none;
  border-radius: 0 0 6px 6px;
  z-index: 10;
  display: none;
}

.extendfield-select.open {
  display: block;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.extendfield-select-headers {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.extendfield-section-header {
  font-weight: bold;
  padding: 4px;
  cursor: pointer;
  display: inline-block;
  border-bottom: 2px solid transparent;
}

.extendfield-section-header.active {
  border-bottom: 2px solid dodgerblue;
  color: dodgerblue;
}

.extendfield-search-box {
  padding: 8px;
}

.extendfield-search-box input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #ccc;
  border-radius: 4px;

  background-image: url("data:image/svg+xml,%3Csvg fill='gray' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M15.5 14h-.79l-.28-.27A6.471 6.471 0 0016 9.5 6.5 6.5 0 109.5 16a6.471 6.471 0 004.23-1.57l.27.28v.79l5 5 1.5-1.5-5-5zM10 14a4 4 0 110-8 4 4 0 010 8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 16px 16px;
  padding: 4px 30px 4px 8px;
  margin: 0;
}

.extendfield-options {
  max-height: 150px;
  overflow-y: auto;
  padding: 4px;
  border-top: 1px solid #eee;
}

.extendfield-option {
  padding: 4px;
  cursor: pointer;
}

.extendfield-option:hover {
  background-color: #eee;
}

.extendfield-option.selected {
  background-color: #d0eaff;
  font-weight: bold;
  position: relative;
}

.extendfield-option.selected::after {
  content: '✔️';
  position: absolute;
  right: 8px;
}