/** Wood board (lichess brown): light #F0D9B5, dark #B58863.
 * a1 is dark (standard). Overlay/coords copied from chessground.postmortem.css.
 * Last-move / selected / dests use green, not bronze. */
cg-board {
  background-color: #F0D9B5;
  background-image: url('data:image/svg+xml;base64,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');
}

cg-board square.move-dest {
  background: radial-gradient(rgba(155, 199, 0, 0.5) 22%, rgba(155, 199, 0, 0.6) 0, rgba(0, 0, 0, 0.25) 0, rgba(0, 0, 0, 0) 0);
}
cg-board square.premove-dest {
  background: radial-gradient(rgba(61, 90, 115, 0.45) 22%, rgba(61, 90, 115, 0.5) 0, rgba(0, 0, 0, 0.25) 0, rgba(0, 0, 0, 0) 0);
}
cg-board square.oc.move-dest {
  background: radial-gradient(transparent 0%, transparent 80%, rgba(155, 199, 0, 0.45) 80%);
}
cg-board square.oc.premove-dest {
  background: radial-gradient(transparent 0%, transparent 80%, rgba(61, 90, 115, 0.32) 80%);
}
cg-board square.move-dest:hover {
  background: rgba(155, 199, 0, 0.35);
}
cg-board square.premove-dest:hover {
  background: rgba(61, 90, 115, 0.24);
}
cg-board square.last-move {
  background-color: rgba(155, 199, 0, 0.41);
}
cg-board square.selected {
  background-color: rgba(155, 199, 0, 0.41);
}
cg-board square.check {
  background: radial-gradient(
    ellipse at center,
    rgba(212, 90, 82, 0.9) 0%,
    rgba(212, 90, 82, 0.6) 25%,
    rgba(212, 90, 82, 0) 89%,
    rgba(212, 90, 82, 0) 100%
  );
}
cg-board square.current-premove {
  background-color: rgba(61, 90, 115, 0.4);
}

/* Coordinates (a-h / 1-8) outside the board — copied from postmortem overlay. */
.cg-wrap coords {
  font-family: var(--mono, monospace);
  opacity: 1;
}
.cg-wrap coords coord {
  color: #C4B08A;
  font-weight: 700;
  font-size: 13px;
}
.cg-wrap coords.ranks {
  left: -18px;
  top: 0;
}
.cg-wrap coords.files {
  bottom: -20px;
  left: 0;
  width: 100%;
}