.opening-browser {
  display: grid;
  grid-template-columns: minmax(0, 640px) minmax(20rem, 1fr);
  gap: 1.5rem;
  align-items: start;
  max-width: 1080px;
  margin: 1.5rem auto 3rem;
}

.opening-browser__board-column {
  min-width: 0;
}

.opening-browser .board-container {
  box-sizing: content-box;
}

.opening-browser__board:focus-visible {
  outline: 3px solid var(--bs-primary, #d9230f);
  outline-offset: 3px;
}

.opening-browser__navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.opening-browser__navigation .btn {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
}

.opening-browser__navigation .btn:disabled {
  color: #6c757d;
  border-color: #6c757d;
  opacity: 0.45;
}

.opening-browser__status {
  min-width: 12rem;
  text-align: center;
}

.opening-browser__credit {
  display: block;
  margin-top: 0.5rem;
  text-align: center;
}

.opening-browser__moves {
  display: flex;
  min-height: 0;
  max-height: var(--opening-board-height, 42rem);
  flex-direction: column;
  border-top: 1px solid var(--bs-border-color, #dee2e6);
  border-bottom: 1px solid var(--bs-border-color, #dee2e6);
}

.opening-browser__moves-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0.25rem;
  border-bottom: 1px solid var(--bs-border-color, #dee2e6);
}

.opening-browser__moves-title {
  margin: 0;
}

.opening-browser__line-summary {
  color: var(--bs-secondary-color, #6c757d);
  font-size: 0.875rem;
  white-space: nowrap;
}

.opening-browser__move-list {
  min-height: 0;
  padding: 0.5rem 0.25rem;
  overflow-y: auto;
  font-size: 1rem;
  line-height: 1.5;
  scrollbar-gutter: stable;
}

.opening-browser__move-row {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.35rem;
  align-items: center;
  min-height: 2.5rem;
}

.opening-browser__move-number {
  color: var(--bs-secondary-color, #6c757d);
  font-variant-numeric: tabular-nums;
}

.opening-browser__move-slot {
  min-width: 0;
}

.opening-browser__move {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 2.25rem;
  padding: 0.25rem 0.5rem;
  border: 0;
  border-radius: 4px;
  color: inherit;
  font: inherit;
  line-height: 1.5;
  text-align: left;
  background: transparent;
}

.opening-browser__move:hover,
.opening-browser__move:focus-visible {
  background-color: rgba(0, 0, 0, 0.08);
}

.opening-browser__move.is-current {
  color: #fff;
  background-color: var(--bs-primary, #d9230f);
}

.opening-browser__branch-control {
  position: relative;
  display: block;
}

.opening-browser__branch-control > .fa-code-branch {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 0.5rem;
  color: var(--bs-secondary-color, #6c757d);
  font-size: 0.75rem;
  pointer-events: none;
  transform: translateY(-50%);
}

.opening-browser__branch-select {
  padding-left: 1.65rem;
  padding-right: 1.5rem;
  border: 1px solid var(--bs-border-color, #ced4da);
  text-overflow: ellipsis;
  cursor: pointer;
}

.opening-browser__branch-select:hover,
.opening-browser__branch-select:focus-visible {
  border-color: var(--bs-primary, #d9230f);
}

.opening-browser__branch-select.is-current {
  border-color: var(--bs-primary, #d9230f);
}

.opening-browser__error {
  display: none;
  grid-column: 1 / -1;
  color: var(--bs-danger, #d9230f);
}

.opening-browser.has-error .opening-browser__error {
  display: block;
}

@media (max-width: 767.98px) {
  .opening-browser {
    grid-template-columns: minmax(0, 1fr);
  }

  .opening-browser__moves {
    max-height: min(70vh, 32rem);
  }

  .opening-browser__status {
    min-width: 0;
    flex: 1;
  }
}