/* ── 算24點專用樣式 ── */

.calc24-wrap {
  max-width: 440px;
  padding: var(--spacing-lg) !important;
  text-align: center;
}

/* 數字牌容器 */
.calc24-cards {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

/* 單張數字牌 */
.calc24-card {
  width: 76px;
  height: 100px;
  border-radius: var(--border-radius);
  border: 3px solid var(--color-border);
  background: var(--color-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: var(--shadow-card);
  user-select: none;
  position: relative;
}

.calc24-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.calc24-card.selected {
  border-color: var(--color-primary);
  background: rgba(212, 56, 13, 0.08);
  transform: translateY(-6px) scale(1.05);
  box-shadow: 0 6px 24px rgba(212, 56, 13, 0.25);
}

.calc24-card.used {
  opacity: 0;
  transform: scale(0.5);
  pointer-events: none;
}

.calc24-card.result-pop {
  animation: resultPop 0.4s ease;
}

@keyframes resultPop {
  0%   { transform: scale(0.3); opacity: 0; }
  60%  { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

/* 小數、分數的牌顯示較小字 */
.calc24-card.small-text {
  font-size: 20px;
}

/* 順序標記 */
.calc24-card .pick-order {
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
}

/* 運算符列 */
.calc24-ops {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.op-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 3px solid var(--color-border);
  background: var(--color-bg-card);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: center;
}

.op-btn:hover {
  border-color: var(--color-primary);
  background: rgba(212, 56, 13, 0.06);
}

.op-btn.selected {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  transform: scale(1.1);
}

/* 提示文字 */
.calc24-hint-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin: 0;
  min-height: 24px;
}

/* 歷史步驟 */
.calc24-history {
  min-height: 28px;
  margin-bottom: var(--spacing-sm);
}

.calc24-step {
  display: inline-block;
  background: rgba(56, 158, 13, 0.1);
  color: var(--color-success);
  border-radius: 999px;
  padding: 2px 12px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin: 2px 4px;
}

/* 深色模式微調 */
[data-theme="dark"] .calc24-card {
  border-color: var(--color-border);
}

[data-theme="dark"] .calc24-card.selected {
  background: rgba(212, 56, 13, 0.15);
}

[data-theme="dark"] .op-btn:hover {
  background: rgba(212, 56, 13, 0.12);
}

[data-theme="dark"] .calc24-step {
  background: rgba(56, 158, 13, 0.18);
}

/* 新紀錄文字 */
.new-record-text {
  color: var(--color-primary);
  font-size: var(--font-size-title);
  font-weight: 700;
  animation: recordPulse 0.8s ease-in-out infinite alternate;
}

@keyframes recordPulse {
  from { transform: scale(1); }
  to   { transform: scale(1.08); }
}

/* 響應式 */
@media (max-width: 400px) {
  .calc24-card {
    width: 64px;
    height: 88px;
    font-size: 28px;
  }
  .calc24-card.small-text {
    font-size: 17px;
  }
  .op-btn {
    width: 52px;
    height: 52px;
    font-size: 22px;
  }
}