/* Flash Sale Box - Kết hợp countdown + progress bar */
.flash-sale-box {
  width: 100%;
  background: #b30000;
  color: #ffffff;
  border-radius: 10px;
  padding: 16px 20px;
  box-shadow: 0 4px 12px rgba(179, 0, 0, 0.3);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 16px 0;
  position: relative;
  overflow: hidden;
}

/* Top Row: Countdown Text + Timer */
.flash-sale-box__top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 16px;
}

.flash-sale-box__countdown-text {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  flex: 1;
  white-space: nowrap;
}

.flash-sale-box__countdown-timer {
  flex-shrink: 0;
}

/* Override existing flash-countdown styles when inside flash-sale-box */
.flash-sale-box #flash-countdown {
  justify-content: flex-end;
  margin: 0;
}

.flash-sale-box .flash-sale-label {
  display: none; /* Hide duplicate text */
}

.flash-sale-box .countdown-box {
  background-color: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  margin: 0 2px;
  min-width: 32px;
  text-align: center;
  backdrop-filter: blur(10px);
}

.flash-sale-box .colon {
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  margin: 0 2px;
  font-weight: 600;
}

/* Bottom Row: Progress Bar */
.flash-sale-box__bottom-row {
  margin-top: 12px;
}

.flash-sale-box__progress-label {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
}

.flash-sale-box__progress-bar {
  width: 100%;
  height: 12px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.flash-sale-box__progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #ff6b6b 0%, #ff8e8e 50%, #ffaaaa 100%);
  background-image: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.3) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.3) 50%,
    rgba(255, 255, 255, 0.3) 75%,
    transparent 75%,
    transparent
  );
  background-size: 20px 20px;
  border-radius: 20px;
  transition: width 1.5s ease-out;
  animation: progressStripes 2s linear infinite;
  position: relative;
}

/* Animation cho sọc chạy */
@keyframes progressStripes {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 40px 0;
  }
}

/* Subtle glow effect */
.flash-sale-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 50%,
    rgba(255, 255, 255, 0.05) 100%
  );
  pointer-events: none;
  border-radius: 10px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .flash-sale-box {
    padding: 14px 16px;
    margin: 12px 0;
  }

  .flash-sale-box__top-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .flash-sale-box__countdown-text {
    font-size: 15px;
    margin-bottom: 4px;
  }

  .flash-sale-box__countdown-timer {
    align-self: flex-end;
  }

  .flash-sale-box .countdown-box {
    font-size: 14px;
    padding: 3px 6px;
    min-width: 28px;
  }

  .flash-sale-box .colon {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .flash-sale-box {
    border-radius: 8px;
    padding: 12px 14px;
  }

  .flash-sale-box__countdown-text {
    font-size: 14px;
  }

  .flash-sale-box__progress-label {
    font-size: 13px;
  }

  .flash-sale-box__progress-bar {
    height: 10px;
  }

  .flash-sale-box .countdown-box {
    font-size: 13px;
    padding: 2px 5px;
    min-width: 26px;
  }
}

/* Dark mode compatibility */
/* @media (prefers-color-scheme: dark) {
  .flash-sale-box {
    box-shadow: 0 4px 12px rgba(179, 0, 0, 0.4);
  }
} */

/* High contrast mode */
@media (prefers-contrast: high) {
  .flash-sale-box .countdown-box {
    border: 2px solid #ffffff;
  }

  .flash-sale-box__progress-bar {
    border: 2px solid rgba(255, 255, 255, 0.5);
  }
}

/* Print styles */
@media print {
  .flash-sale-box {
    background: #b30000 !important;
    color: #ffffff !important;
    box-shadow: none;
  }

  .flash-sale-box__progress-fill {
    animation: none;
  }
}