#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
#modal-overlay.visible {
  opacity: 1;
  pointer-events: all;
}

#modal-card {
  background: #11152a;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 40px 32px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: min(340px, 88vw);
  transform: scale(0);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity  0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
#modal-overlay.visible #modal-card {
  transform: scale(1);
  opacity: 1;
}

#modal-tier-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--tier-color);
  letter-spacing: 0.5px;
}
#modal-label {
  font-size: 12px;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 1.2px;
}
#modal-value {
  font-size: 88px;
  font-weight: 900;
  line-height: 1;
  color: var(--tier-color);
  text-shadow: 0 0 40px var(--tier-color);
}

#collect-btn {
  margin-top: 14px;
  width: 100%;
  height: 48px;
  border: none;
  border-radius: 14px;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, #6e40c9, #a855f7);
  color: #fff;
  letter-spacing: 0.5px;
  transition: transform 0.1s;
}
#collect-btn:active { transform: scale(0.97); }