.board {
  position: relative;
  width: 400px;
  height: 400px;
  border: 1px solid #ccc;
  margin: 20px auto;
  background-color: #f9f9f9;
  
  background-image: radial-gradient(circle, #ccc 1px, transparent 1px); 
  background-size: 20px 20px;
}

/* ZÁPALKY */
.match {
  position: absolute;
  border-radius: 6px;
  box-shadow: 0 0 2px rgba(0,0,0,0.25);
  transform-origin: center center;
}

/* ORIENTACE – původní transformace */
.match.horizontal {
  width: 80px;
  height: 12px;
  background: url('../zapalky/match-h.png') no-repeat center;
  background-size: contain;
  transform: translateX(3px);
}

.match.vertical {
  width: 12px;
  height: 80px;
  background: url('../zapalky/match.png') no-repeat center;
  background-size: contain;
  transform: translateX(3px);
}

.match.diagonal-right {
  width: 80px;
  height: 12px;
  background: url('../zapalky/match-h.png') no-repeat center;
  background-size: contain;
  transform: rotate(45deg) translateX(3px);
}

.match.diagonal-left {
  width: 80px;
  height: 12px;
  background: url('../zapalky/match-h.png') no-repeat center;
  background-size: contain;
  transform: rotate(-45deg) translateX(3px);
}

.match.diagonal-60-left {
  width: 80px;
  height: 12px;
  background: url('../zapalky/match-h.png') no-repeat center;
  background-size: contain;
  transform: rotate(-60deg) translateX(3px);
}

.match.diagonal-60-right {
  width: 80px;
  height: 12px;
  background: url('../zapalky/match-h.png') no-repeat center;
  background-size: contain;
  transform: rotate(60deg) translateX(3px);
}

/* OČKO */
.oko {
  width: 24px;
  height: 24px;
  background: url('../zapalky/oko.png') no-repeat center;
  background-size: contain;
}

/* ROTÁTOR */
#rotator-zone {
    position: absolute;
    right: 20px;
    bottom: 20px;
    width: 140px;
    height: 60px;
    background: #ffe08a;
    border: 2px dashed #cc9a00;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
    z-index: 10;
}

#rotator-zone.dragover {
    background: #ffd35a;
}