/* Compact undo joker — play2048-style icon + charges + hover tooltip */

.jokers {
  margin-top: 18px;
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 400;
}

.jokers-tray {
  display: inline-flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 14px;
  padding: 12px 14px 10px;
  border-radius: 28px;
  background: var(--joker-tray-bg, #f3efe6);
  border: 1px solid var(--joker-tray-border, rgba(119, 110, 101, 0.1));
  box-shadow: var(--joker-tray-shadow, 0 4px 16px rgba(60, 50, 40, 0.06));
}

.joker-slot {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 56px;
}

.joker-btn {
  position: relative;
  width: 56px;
  height: 56px;
  padding: 0;
  border: none;
  border-radius: 16px;
  background: var(--joker-btn-bg, #e4d8c4);
  color: var(--joker-icon-color, #ffffff);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 160ms ease, transform 160ms ease, opacity 160ms ease;
}

.joker-btn:hover:not(:disabled),
.joker-btn:focus-visible {
  background: var(--joker-btn-hover, #d7c7ad);
  transform: translateY(-1px);
  outline: none;
}

.joker-btn:disabled {
  cursor: default;
  opacity: 0.55;
}

.joker-icon {
  display: inline-flex;
  line-height: 0;
}

.joker-charges {
  display: flex;
  gap: 5px;
  justify-content: center;
  min-height: 4px;
}

.joker-charge {
  width: 14px;
  height: 4px;
  border-radius: 999px;
  background: var(--joker-charge-empty, rgba(119, 110, 101, 0.18));
  transition: background-color 160ms ease;
}

.joker-charge.is-filled {
  background: var(--joker-charge-filled, #776e65);
}

.joker-tooltip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 12px);
  transform: translateX(-50%) translateY(4px);
  min-width: 210px;
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--joker-tooltip-bg, #5c534a);
  color: #fff;
  text-align: left;
  font-family: "Nunito", "Clear Sans", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
  z-index: 500;
}

.joker-tooltip-top {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
}

.joker-tooltip-top strong {
  font-size: 13px;
  letter-spacing: 0.06em;
}

.joker-uses {
  font-size: 13px;
  font-weight: normal;
  opacity: 0.95;
}

.joker-hint {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.72);
}

.joker-btn:hover .joker-tooltip,
.joker-btn:focus-visible .joker-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.joker-btn:disabled:hover .joker-tooltip,
.joker-btn:disabled:focus-visible .joker-tooltip {
  opacity: 1;
  visibility: visible;
}

@media screen and (max-width: 520px) {
  .jokers-tray {
    padding: 10px 12px 8px;
    border-radius: 24px;
  }

  .joker-slot,
  .joker-btn {
    width: 48px;
  }

  .joker-btn {
    height: 48px;
    border-radius: 14px;
  }

  .joker-tooltip {
    min-width: 190px;
  }
}