.pause-overlay {
  position: fixed;
  inset: 0;
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.pause-overlay:not(.pause-overlay--hidden) {
  opacity: 1;
  pointer-events: auto;
}

.pause-overlay__shade {
  position: absolute;
  inset: 0;
  background: rgba(20, 22, 28, 0.62);
}

.pause-overlay__content {
  position: relative;
  z-index: 1;
}

.pause-overlay__btn {
  font-size: clamp(1.2rem, 5vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
  padding: 1em 2em;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  animation: pause-btn-pulse 1.6s ease-in-out infinite;
}

.pause-overlay__btn:hover {
  border-color: rgba(255, 255, 255, 0.9);
}

@keyframes pause-btn-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.6; transform: scale(0.96); }
}