html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffffff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.waveWrap {
  position: relative;
  width: 280px;
  height: 100px;
}

.bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 100%;
}

.bar {
  --h: 20px;
  --bump: 0px;
  display: block;
  width: 8px;
  border-radius: 4px;
  background: #2f6df6;
  transform-origin: bottom;
  height: calc(var(--h) + var(--bump));
}

.film {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.8));
  mask-image: linear-gradient(to right, transparent var(--buffer-pct), #000 var(--buffer-pct));
  -webkit-mask-image: linear-gradient(to right, transparent var(--buffer-pct), #000 var(--buffer-pct));
}

.skipBtn {
  appearance: none;
  border: none;
  margin-top: 12px;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 600;
  color: #fff7e6;
  background: #17141a;
  cursor: pointer;
}
.skipBtn:focus-visible {
  outline: 2px solid #0a4fe8;
  outline-offset: 2px;
}

@media (max-width: 340px) {
  .waveWrap {
    width: 220px;
    height: 76px;
  }
  .bar {
    width: 6px;
  }
  .skipBtn {
    font-size: 10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .bar {
    transition: none;
  }
}