@bootstrap-less-path: "../../vendor/bootstrap/less/";

// Core variables and mixins
@import "@{bootstrap-less-path}variables.less";
@import "@{bootstrap-less-path}mixins.less";


/* Enable the scrolling of chess board up to the page top */

body, html { height: 100%; }
#GameWrapper { min-height: 100%; }
#GameBoardWrapper { position: relative; }


/* Chess board */

@squareSize: 56px;
@boardBorderWidth: 4px;
@boardSize: 8 * @squareSize + 2 * @boardBorderWidth;

.boardTable {
  width: @boardSize;
  height: @boardSize;
  border: @boardBorderWidth solid #663300;
}
.whiteSquare, .blackSquare {
  width: @squareSize;
  height: @squareSize;
}
.pieceImage {
  height: @squareSize;
  width: @squareSize;
}
.whiteSquare, .highlightWhiteSquare {
  background: #ffcc99;
}
.blackSquare, .highlightBlackSquare {
  background: #cc9966;
}


/* PGN notation of chess game */

@tableBorder: 1px solid #ddd;

#GameText {
  position: absolute;
  top: 0;
  bottom: 0;
  left: @boardSize + 10px;

  display: block;
  width: 170px;
  overflow-y: auto;
}
#ShowPgnText {
  > * { float: left; }
  > *:nth-child(-n+4) { border-top: @tableBorder; }
  > *:nth-child(5n+1) { border-left: @tableBorder; }
  .move {
    border-bottom: @tableBorder;
    border-right: @tableBorder;
    text-align: center;
  }
  span.move { width: 40px; }
  a.move { width: 50px; }
}
.moveOn, .variationOn {
  color: #fff;
  .bg-variant(@brand-primary);
}


/* Comment of a chess-game move */

#GameMoveComment .comment:not(:first-child):before {
  content: '\a';
  white-space: pre;
}