.booster-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0);
  animation: boosterOverlayIn 0.4s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
  cursor: pointer;
}

.booster-overlay.booster-fade-out {
  animation: boosterOverlayOut 0.5s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

.booster-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.booster-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 36px 52px 32px;
  border-radius: 16px;
  background: rgba(10, 14, 23, 0.92);
  border: 1.5px solid rgba(245, 158, 11, 0.5);
  box-shadow:
    0 0 40px rgba(245, 158, 11, 0.15),
    0 0 80px rgba(245, 158, 11, 0.08),
    0 20px 60px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
  transform: scale(0.7) translateY(30px);
  opacity: 0;
  animation: boosterCardIn 0.5s 0.15s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

.booster-fade-out .booster-card {
  animation: boosterCardOut 0.4s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

.booster-icon {
  width: 56px;
  height: 56px;
  filter: drop-shadow(0 0 12px rgba(245, 158, 11, 0.5));
  animation: boosterIconFloat 2s ease-in-out infinite;
}

.booster-amount {
  font-family: 'Inter', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: #f59e0b;
  text-shadow:
    0 0 20px rgba(245, 158, 11, 0.6),
    0 0 40px rgba(245, 158, 11, 0.3);
  letter-spacing: 0.5px;
  line-height: 1;
}

.booster-title {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  background: linear-gradient(
    90deg,
    rgba(245, 158, 11, 0.6) 0%,
    #fbbf24 25%,
    #fff 50%,
    #fbbf24 75%,
    rgba(245, 158, 11, 0.6) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: boosterShimmer 2.5s linear infinite;
}

.booster-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  color: rgba(251, 191, 36, 0.5);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
}

@keyframes boosterOverlayIn {
  to { background: rgba(0, 0, 0, 0.72); }
}

@keyframes boosterOverlayOut {
  from { background: rgba(0, 0, 0, 0.72); }
  to { background: rgba(0, 0, 0, 0); opacity: 0; }
}

@keyframes boosterCardIn {
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

@keyframes boosterCardOut {
  to {
    transform: scale(0.85) translateY(20px);
    opacity: 0;
  }
}

@keyframes boosterIconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes boosterShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (max-width: 480px) {
  .booster-card {
    padding: 28px 32px 24px;
  }
  .booster-amount {
    font-size: 1.6rem;
  }
  .booster-icon {
    width: 44px;
    height: 44px;
  }
}
