.tien-len-canvas {
  position: absolute;
  z-index: 1;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
  pointer-events: none;
}

.tien-len-canvas[hidden] {
  display: none;
}

.tien-len-canvas canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.tien-len-mode .compact-action {
  border: 0;
  background: transparent url('/assets/images/tien-len-button-secondary-v1.webp') center / 100% 100% no-repeat !important;
  color: #f1fdfd;
  text-shadow: 0 1px 2px #093635, 0 0 5px #23dcd8;
  box-shadow: none;
}

.tien-len-mode .compact-action.primary,
.tien-len-mode #startClassicGame {
  background: transparent url('/assets/images/tien-len-button-primary-v1.webp') center / 100% 100% no-repeat !important;
  color: #fff3b2;
  text-shadow: 0 1px 2px #3b1900, 0 0 5px #ffae00;
}

.tien-len-mode .compact-action.danger,
.tien-len-mode #leaveClassicRoom {
  background: transparent url('/assets/images/tien-len-button-danger-v1.webp') center / 100% 100% no-repeat !important;
  color: #fff4db;
  text-shadow: 0 1px 2px #430000, 0 0 5px #ff3c3c;
}

.tien-len-mode .compact-action:disabled {
  filter: grayscale(.55) brightness(.62);
  opacity: .76;
}

.tien-len-mode .playing-card.card-back {
  background-color: transparent;
  background-image: url('/assets/images/tien-len-card-back-v1.webp');
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  box-shadow: 0 5px 10px #0009;
}