.combobox-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 200px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid #ddd;
  border-top: none;
  border-radius: 0 0 4px 4px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  z-index: 9999;
  margin-top: -1px;
}

.combobox-item {
  padding: 8px 12px;
  cursor: pointer;
  border-bottom: 1px solid #eee;
}

.combobox-item:last-child {
  border-bottom: none;
}

.combobox-item:hover,
.combobox-item-highlighted {
  background-color: #f5f5f5;
}

.combobox-empty {
  padding: 8px 12px;
  color: #888;
  font-style: italic;
  text-align: center;
}

.combobox-loading {
  position: relative;
}

.combobox-loading::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid #ddd;
  border-top-color: #007bff;
  border-radius: 50%;
  animation: combobox-spin 0.6s linear infinite;
}

@keyframes combobox-spin {
  to {
    transform: translateY(-50%) rotate(360deg);
  }
}

.combobox-loading-text {
  padding-right: 32px;
}

.combobox-item-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.combobox-item-primary {
  font-weight: 600;
  color: #333;
}

.combobox-item-secondary {
  font-size: 0.9em;
  color: #666;
}

.combobox-item-tertiary {
  font-size: 0.85em;
  color: #999;
}