/* Chapter Grid */
.chapter-grid {
  display: grid;
  gap: 0;
  max-height: 300px;
  overflow-y: auto;
  padding: 0;
  border: none;
  position: absolute;
  z-index: 999;
  background-color: #ffffff;
  width: 100%;
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}
.chapter-button {
  aspect-ratio: 1 / 1;
  padding: 5px;
  background-color: #ffffff;
  border: 1px solid #ddd;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  transition: all 0.3s ease;
  border-radius: 0;
}
.chapter-button:hover, .chapter-button:focus {
    background-color: #e0e0e0;
    color: black;
    outline: none;
}

/* Media Queries */
@media (max-width: 768px) {
    .chapter-grid {
        grid-template-columns: repeat(4, 1fr) !important;
    }
}
@media (max-width: 480px) {
    .chapter-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}
.chapter-button:hover, .chapter-button:focus {
  background-color: #DAA769;
  color: black;
  outline: none;
  border-color: #DAA769;
  font-weight: 400;
}