/* Flipper Timer Styles */
.flipperTimer {
  --flipper-size: 100px;
  --card-width: 40px;
  --card-height: calc(var(--flipper-size) * 1.3);
  --font-size: calc(var(--flipper-size) * 1);
  --card-bg: #2c3e50;
  --card-radius: calc(var(--flipper-size) * 0.1);
  --text-gradient: white;

  display: flex;
  align-items: center;
  gap: calc(var(--flipper-size) * 0.15);
  font-family: "Arial Black", "Helvetica Neue", sans-serif;
}

.digitGroup {
  display: flex;
  gap: calc(var(--flipper-size) * 0.2);
}

.separator {
  font-size: var(--font-size);
  font-weight: 900;
  color: #4a5568;
  line-height: 1;
  margin-top: calc(var(--flipper-size) * -0.1);
}

.flipperDigit {
  position: relative;
  width: var(--card-width);
  height: var(--card-height);
  perspective: calc(var(--flipper-size) * 4);
  border-radius: var(--card-radius);
  box-shadow: 0 calc(var(--flipper-size) * 0.02) calc(var(--flipper-size) * 0.04) rgba(0, 0, 0, 0.3), 0 calc(var(--flipper-size) * 0.06) calc(var(--flipper-size) * 0.12) rgba(0, 0, 0, 0.2), inset 0 calc(var(--flipper-size) * 0.01) 0 rgba(255, 255, 255, 0.05);
}

.cardFace {
  position: absolute;
  width: 100%;
  height: 200%;
  /* Full height of parent container to show complete digit */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size);
  font-weight: 900;
  background: var(--text-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cardTop,
.cardBottom,
.flipTop,
.flipBottom {
  position: absolute;
  width: 100%;
  height: 50%;
  overflow: hidden;
  backface-visibility: hidden;
}

/* Static top - base layer showing top half of digit */
.cardTop {
  top: 0;
  background: var(--card-bg);
  border-radius: var(--card-radius) var(--card-radius) 0 0;
  z-index: 1;
}

.cardTop .cardFace {
  top: 0;
}

/* Static bottom - base layer showing bottom half of NEW digit */
.cardBottom {
  bottom: 0;
  background: var(--card-bg);
  border-radius: 0 0 var(--card-radius) var(--card-radius);
  z-index: 1;
}

.cardBottom .cardFace {
  bottom: 0;
}

/* Flip top - highest z-index, starts flat, rotates down to -90deg */
.flipTop {
  top: 0;
  background: var(--card-bg);
  border-radius: var(--card-radius) var(--card-radius) 0 0;
  transform-origin: bottom center;
  z-index: 4;
}

.flipTop .cardFace {
  top: 0;
}

.flipTopAnimate {
  animation: flipTopDown 0.3s ease-in forwards;
}

/* Flip bottom - starts at 90deg (hidden), rotates to 0deg (visible) */
.flipBottom {
  bottom: 0;
  background: var(--card-bg);
  border-radius: 0 0 var(--card-radius) var(--card-radius);
  transform-origin: top center;
  transform: rotateX(90deg);
  z-index: 3;
}

.flipBottom .cardFace {
  bottom: 0;
}

.flipBottomAnimate {
  animation: flipBottomUp 0.3s ease-out 0.3s forwards;
}

@keyframes flipTopDown {
  0% {
    transform: rotateX(0deg);
  }

  100% {
    transform: rotateX(-90deg);
  }
}

@keyframes flipBottomUp {
  0% {
    transform: rotateX(90deg);
  }

  100% {
    transform: rotateX(0deg);
  }
}

/* Center divider line */
.centerLine {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: calc(var(--flipper-size) * 0.000);
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.8) 50%, rgba(0, 0, 0, 0.6) 100%);
  transform: translateY(-50%);
  z-index: 10;
  box-shadow: 0 calc(var(--flipper-size) * 0.005) calc(var(--flipper-size) * 0.01) rgba(0, 0, 0, 0.5), 0 calc(var(--flipper-size) * -0.005) calc(var(--flipper-size) * 0.005) rgba(255, 255, 255, 0.03);
}

/* Add subtle inner shadows for depth */
.cardTop::after,
.flipTop::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--flipper-size) * 0.15);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.15), transparent);
  pointer-events: none;
}

.cardBottom::before,
.flipBottom::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: calc(var(--flipper-size) * 0.15);
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2), transparent);
  pointer-events: none;
}

@media screen and (max-width: 768px) {
  .flipperTimer {
    --flipper-size: 50px;
    --card-width: 20px;
    --card-height: calc(var(--flipper-size) * 1.3);
    --font-size: calc(var(--flipper-size) * 0.9);
    --card-bg: #2c3e50;
    --card-radius: calc(var(--flipper-size) * 0.2);
    --text-gradient: white;
  }
}