/* Mantiene la scacchiera 10x8 stabile e ogni casella perfettamente quadrata. */
#sv-arena-page #svCounterChessBoard {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  grid-template-rows: repeat(8, minmax(0, 1fr));
  width: min(100%, 760px);
  aspect-ratio: 10 / 8;
  align-items: stretch;
  justify-items: stretch;
  margin: 0 auto;
  border-color: #20252c;
}

#sv-arena-page .sv-counter-card .sv-chess-layout {
  grid-template-columns: minmax(0, 760px) minmax(270px, 1fr);
  gap: 28px;
  min-width: 0;
}

#sv-arena-page .sv-counter-card,
#sv-arena-page .sv-counter-card .sv-chess-layout > * {
  min-width: 0;
}

#sv-arena-page #svCounterChessBoard .sq {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  align-self: stretch;
  justify-self: stretch;
  line-height: 1;
}

#sv-arena-page #svCounterChessBoard .light {
  background: #686867;
}

#sv-arena-page #svCounterChessBoard .dark {
  background: #414140;
}

#sv-arena-page #svCounterChessBoard .sv-counter-piece {
  display: block;
  width: 78%;
  height: 78%;
  max-width: 78%;
  max-height: 78%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 3px 2px rgba(0, 0, 0, .34));
  position: relative;
  z-index: 1;
}

@media (max-width: 1100px) {
  #sv-arena-page .sv-counter-card .sv-chess-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  #sv-arena-page #svCounterChessBoard {
    width: min(100%, 760px);
  }
}

@media (max-width: 760px) {
  #sv-arena-page .sv-counter-card {
    width: 100%;
    max-width: 100%;
    padding: 16px;
    overflow: hidden;
  }

  #sv-arena-page .sv-counter-card .sv-game-head {
    flex-direction: column;
    width: 100%;
    min-width: 0;
  }

  #sv-arena-page .sv-counter-card .sv-patent-pending {
    display: flex;
    width: 100%;
    max-width: 100%;
    white-space: normal;
    overflow-wrap: anywhere;
    line-height: 1.45;
  }

  #sv-arena-page #svCounterChessBoard {
    width: 100% !important;
    max-width: calc(100vw - 64px) !important;
    min-width: 0 !important;
    margin-left: auto;
    margin-right: auto;
    border-width: 2px;
    border-radius: 10px;
  }

  #sv-arena-page #svCounterChessBoard .sq {
    min-width: 0 !important;
    min-height: 0 !important;
    overflow: hidden;
  }

  #sv-arena-page #svCounterChessBoard .sv-counter-piece {
    width: 70%;
    height: 70%;
    max-width: 70%;
    max-height: 70%;
  }
}