/* Prep browse accordion — reveal-only expand (CPHQ/CPC/CPMA access panels). */

.prep-browse-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.prep-browse-row {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: inherit;
  font-family: inherit;
  padding: 0.45rem 1.5rem 0.45rem 0;
  cursor: pointer;
  position: relative;
  line-height: 1.4;
}

@media (hover: hover) {
  .prep-browse-row:hover {
    background: rgba(201, 162, 39, 0.08);
  }
}

.prep-browse-row:focus-visible {
  background: rgba(201, 162, 39, 0.08);
  outline: 2px solid rgba(201, 162, 39, 0.45);
  outline-offset: -2px;
}

.prep-browse-row::after {
  content: "▸";
  position: absolute;
  right: 0.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--rsi-muted, #8fa3b8);
  font-size: 0.75rem;
  transition: transform 0.15s ease;
}

.prep-browse-row[aria-expanded="true"]::after {
  transform: translateY(-50%) rotate(90deg);
}

.prep-browse-expand {
  padding: 0 0 0.65rem 0;
}

.prep-browse-expand-inner {
  background: rgba(5, 13, 26, 0.55);
  border: 1px solid rgba(201, 162, 39, 0.22);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
}

.prep-browse-stem {
  font-weight: 600;
  color: var(--rsi-cream, #f5f0e6);
  margin: 0 0 0.5rem;
  font-size: 0.88rem;
}

.prep-browse-options {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.prep-browse-opt {
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  font-size: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  opacity: 0.75;
}

.prep-browse-opt--correct {
  background: rgba(201, 162, 39, 0.15);
  border-color: rgba(201, 162, 39, 0.55);
  color: var(--rsi-cream, #f5f0e6);
  opacity: 1;
}

.prep-browse-correct-mark {
  float: right;
  font-size: 0.78rem;
  color: var(--rsi-gold, #c9a227);
  font-weight: 700;
}

.prep-browse-rationale {
  color: var(--rsi-muted, #8fa3b8);
  font-size: 0.85rem;
  margin: 0.5rem 0 0;
}