.quadro-select-wrapper {
  position: relative;
  display: inline-block;
  font-family: sans-serif;
  font-size: 13px;
  width: 100%;
}

.quadro-select-button {
  background-color: #dee4f6;
  padding: 4px 8px;
  border: 1px solid #99aabb;
  cursor: pointer;
  width: 100%;
  box-sizing: border-box;
}

.quadro-select-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  max-height: 150px;
  overflow-y: auto;
  background-color: #dee4f6;
  border: 1px solid #99aabb;
  z-index: 9999;
  box-sizing: border-box;
}

.quadro-select-option {
  padding: 4px 8px;
  cursor: pointer;
  white-space: nowrap;
}

.quadro-select-option.selected {
  background-color: #99aabb;
  color: white;
}

.quadro-select-filter {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background-color: #2f3a50; /* themed dark tone */
  color: #cfd8e3;
  font-size: 11px;
  font-family: sans-serif;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
  z-index: 10001;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}
.quadro-select-wrapper.open .quadro-select-filter {
  opacity: 1;
}