/* 寶石競猜場「即將封盤」通知條 */
.bet-closing-banner {
  position: fixed;
  top: 64px;  /* 在 header 下方 */
  left: 12px;
  right: 12px;
  z-index: 9100;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background:
    linear-gradient(135deg, #2a1d4a 0%, #1a1d3d 100%);
  border: 1.5px solid rgba(245,158,11,0.55);
  border-radius: 14px;
  box-shadow:
    0 8px 24px rgba(0,0,0,0.45),
    inset 0 1px 0 rgba(255,255,255,0.05),
    0 0 24px rgba(245,158,11,0.18);
  font-size: 14px;
  color: #fff;
  animation: bcbEnter 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@keyframes bcbEnter {
  0%   { transform: translateY(-30px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

.bet-closing-banner .bcb-icon {
  font-size: 24px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px rgba(245,158,11,0.7));
}
.bet-closing-banner .bcb-text {
  flex: 1;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  line-height: 1.4;
  min-width: 0;
}
.bet-closing-banner .bcb-cta {
  flex-shrink: 0;
  padding: 8px 16px;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.30);
  border-radius: 999px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow:
    0 4px 12px rgba(239,68,68,0.45),
    inset 0 1px 0 rgba(255,255,255,0.30);
  transition: transform 0.15s, box-shadow 0.2s;
}
.bet-closing-banner .bcb-cta:hover {
  transform: translateY(-1px);
  box-shadow:
    0 6px 16px rgba(239,68,68,0.65),
    inset 0 1px 0 rgba(255,255,255,0.40);
}
.bet-closing-banner .bcb-close {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.65);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 50%;
  font-size: 14px;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bet-closing-banner .bcb-close:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
}

/* 緊急模式：< 6h 封盤、紅光脈動 */
.bet-closing-banner.urgent {
  border-color: rgba(239,68,68,0.80);
  background:
    linear-gradient(135deg, #4a1d2a 0%, #2a0d1d 100%);
  box-shadow:
    0 8px 28px rgba(0,0,0,0.55),
    inset 0 1px 0 rgba(255,255,255,0.06),
    0 0 30px rgba(239,68,68,0.45);
  animation:
    bcbEnter 0.4s cubic-bezier(0.22, 0.61, 0.36, 1),
    bcbUrgentPulse 2s ease-in-out 0.4s infinite;
}
@keyframes bcbUrgentPulse {
  0%, 100% { box-shadow: 0 8px 28px rgba(0,0,0,0.55), 0 0 30px rgba(239,68,68,0.45); }
  50%      { box-shadow: 0 8px 28px rgba(0,0,0,0.55), 0 0 50px rgba(239,68,68,0.75); }
}

/* 手機版：堆疊式 */
@media (max-width: 600px) {
  .bet-closing-banner {
    flex-wrap: wrap;
    padding: 12px;
    font-size: 13px;
  }
  .bet-closing-banner .bcb-text {
    flex-basis: 100%;
  }
  .bet-closing-banner .bcb-cta {
    margin-left: auto;
  }
}