/* Practice accelerator, aligned with the existing carousel navigation. */
#page-materials .materials-controls {
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

#page-materials .materials-practice-filter {
  position: relative;
  display: block;
  inline-size: min(390px, 100%);
  min-inline-size: 0;
}

#page-materials .materials-filter-label {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

#page-materials .materials-practice-filter::after {
  content: "";
  position: absolute;
  inset-inline-end: 18px;
  inset-block-start: calc(50% - 5px);
  inline-size: 7px;
  block-size: 7px;
  border-inline-end: 1px solid currentColor;
  border-block-end: 1px solid currentColor;
  color: var(--ivory);
  transform: rotate(45deg);
  pointer-events: none;
}

#page-materials #materials-practice {
  appearance: none;
  display: block;
  inline-size: 100%;
  block-size: 44px;
  padding: 0 44px 0 16px;
  border: 1px solid rgb(246 239 227 / 30%);
  border-radius: 0;
  background: transparent;
  color: var(--ivory);
  font: inherit;
  font-size: 14px;
  text-overflow: ellipsis;
  cursor: pointer;
  color-scheme: dark;
}

#page-materials #materials-practice option {
  background: #001714;
  color: var(--ivory);
}

#page-materials #materials-practice:hover {
  border-color: var(--gold-2);
}

#page-materials #materials-practice:focus-visible {
  outline: 2px solid var(--gold-2);
  outline-offset: 4px;
}

#page-materials .carousel-arrows {
  flex: 0 0 auto;
}

#page-materials .materials-empty {
  margin: 0;
  padding-block: 24px;
  color: var(--ivory);
}

@media (max-width: 640px) {
  #page-materials .materials-controls { gap: 12px; }
  #page-materials #materials-practice {
    block-size: 40px;
    padding-inline-start: 12px;
    font-size: 16px;
  }
}