.pgn-viewer {
  margin: var(--space-3) 0;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: color-mix(in srgb, var(--color-primary) 4%, transparent);
}

.pgn-viewer__fallback {
  margin: 0;
  font-family: monospace;
  font-size: 0.9rem;
  white-space: pre-wrap;
  color: var(--color-muted);
}

.pgn-viewer--ready .pgn-viewer__fallback {
  display: none;
}

.pgn-viewer__title {
  margin: 0 0 var(--space-2);
  font-weight: 600;
  color: var(--color-primary);
}

.pgn-viewer__layout {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.pgn-viewer__board {
  width: min(360px, 100%);
  aspect-ratio: 1 / 1;
  flex: 0 0 auto;
}

.pgn-viewer__side {
  flex: 1 1 220px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.pgn-viewer__controls {
  display: flex;
  gap: 0.4rem;
}

.pgn-viewer__control {
  flex: 1;
  padding: 0.4rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg);
  color: var(--color-primary);
  font-size: 1rem;
  cursor: pointer;
}

.pgn-viewer__control:hover:not(:disabled) {
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}

.pgn-viewer__control:disabled {
  opacity: 0.4;
  cursor: default;
}

.pgn-viewer__lichess-link {
  font-size: 0.85rem;
  color: var(--color-accent);
  text-decoration: none;
}

.pgn-viewer__lichess-link:hover {
  text-decoration: underline;
}

.pgn-viewer__move-list {
  overflow-y: auto;
  max-height: 320px;
  padding: var(--space-1);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg);
  font-size: 0.9rem;
  line-height: 1.6;
}

.pgn-viewer__move-pair {
  display: inline;
  white-space: nowrap;
}

.pgn-viewer__move-number {
  color: var(--color-muted);
  margin-right: 0.15rem;
}

.pgn-viewer__move {
  border: none;
  background: none;
  padding: 0.05rem 0.3rem;
  margin-right: 0.2rem;
  font: inherit;
  color: var(--color-text);
  cursor: pointer;
  border-radius: 3px;
}

.pgn-viewer__move:hover {
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}

.pgn-viewer__move--current {
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
}

.pgn-viewer__comment {
  display: block;
  margin: 0.2rem 0 0.4rem;
  color: var(--color-muted);
  font-style: italic;
  white-space: normal;
}

.pgn-viewer__warning {
  margin: 0 0 var(--space-2);
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-accent);
  border-radius: 4px;
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  font-size: 0.85rem;
}

@media (max-width: 480px) {
  .pgn-viewer__board {
    width: 100%;
  }
}