.arcade-nav {
  display: flex;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}
.arcade-nav a {
  min-height: 44px;
  padding: 0 13px;
  display: flex;
  align-items: center;
  flex: none;
  border-right: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
  font-size: 9px;
  font-weight: bold;
}
.arcade-nav a.active { background: var(--ink); color: var(--acid); }
.play-area {
  grid-template-columns: minmax(20rem, 26rem) 270px;
  justify-content: center;
}
.game-panel { width: 100%; }
@media (max-width: 720px) {
  .play-area { grid-template-columns: minmax(0, 26rem); }
}