/*
 * Chesswood Edu — wspólna plansza.
 * Bazuje na przekazanym Common-Board.css, rozszerzona o własny renderer pól i figur.
 */

.cw-board {
  --sq-light: #EBD5B3;
  --sq-dark:  #A87945;
  --board-border: 0px;
  --board-radius: 18px;

  position: relative;
  border: var(--board-border) solid rgba(0,0,0,0.15);
  border-radius: var(--board-radius);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  height: auto !important;
}

.cw-board::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.05), inset 0 0 18px rgba(0,0,0,.08);
  border-radius: var(--board-radius);
}

.cw-board .board-b72b1 {
  width: 100% !important;
  height: auto !important;
  background: none !important;
  padding: 0 !important;
  margin: 0 !important;
  border: 0 !important;
  font-size: 0 !important;
  line-height: 0 !important;
  box-sizing: content-box !important;
}

.cw-board .board-b72b1 .square-55d63,
.cw-board .square {
  float: left !important;
  width: 12.5% !important;
  height: 0 !important;
  padding-bottom: 12.5% !important;
  margin: 0 !important;
  border: 0 !important;
  box-sizing: content-box !important;
}

.cw-board .board-b72b1 .white-1e1d7,
.cw-board .square.light {
  background-color: var(--sq-light) !important;
}

.cw-board .board-b72b1 .black-3c85d,
.cw-board .square.dark {
  background-color: var(--sq-dark) !important;
}

.cw-edu-board {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
}

.cw-edu-square {
  position: relative;
  min-width: 0;
  min-height: 0;
}

.cw-edu-square--light {
  background: var(--sq-light);
}

.cw-edu-square--dark {
  background: var(--sq-dark);
}

.cw-edu-square.is-highlighted::after {
  content: "";
  position: absolute;
  inset: 10%;
  border-radius: 14px;
  background: rgba(255, 245, 132, 0.38);
  box-shadow: inset 0 0 0 1px rgba(120, 98, 14, 0.16);
}

.cw-edu-square.is-blocked::after {
  content: "";
  position: absolute;
  inset: 16%;
  border-radius: 999px;
  background: rgba(190, 45, 35, 0.28);
  box-shadow: inset 0 0 0 1px rgba(129, 27, 20, 0.2);
}

.cw-edu-square__coord {
  position: absolute;
  font-size: 10px;
  font-weight: 700;
  opacity: 0.6;
  user-select: none;
}

.cw-edu-square__coord--file {
  right: 6px;
  bottom: 4px;
}

.cw-edu-square__coord--rank {
  left: 6px;
  top: 4px;
}

.cw-edu-piece {
  position: absolute;
  inset: 7%;
  width: 86%;
  height: 86%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.15));
}

.cw-edu-board__arrows {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 4;
}

.cw-edu-arrow-line {
  fill: none;
  stroke: #2f7d32;
  stroke-width: 1.47;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.12));
  stroke-dasharray: 2.8 2.45;
  animation: cwEduArrowFlow 1.05s linear infinite;
}

.cw-edu-arrow-line.is-capture {
  stroke: #a63b30;
}

.cw-edu-arrow-line.is-secondary {
  opacity: .92;
}

.cw-edu-arrow-start {
  fill: #fffdf8;
  stroke: rgba(68, 40, 23, .42);
  stroke-width: 0.98;
}

@keyframes cwEduArrowFlow {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -5.25; }
}

@media (max-width: 767px) {
  .cw-edu-square__coord {
    font-size: 9px;
  }
}


.cw-edu-lesson--legacy[data-cw-board-theme="green"] .cw-board {
  --sq-light: #eceed4;
  --sq-dark: #749654;
}


.cw-edu-lesson--legacy[data-cw-board-theme="slate"] .cw-board {
  --sq-light: #7695a9;
  --sq-dark: #464646;
}