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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.scene {
  box-sizing: border-box;
  width: clamp(220px, 62vmin, 300px);
  min-height: 160px;
  display: grid;
  place-items: center;
  gap: 16px;
}

.scene__label {
  margin: 0;
  color: rgba(255, 247, 230, 0.75);
  font-weight: 700;
  font-size: clamp(11px, 3vw, 12px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.toast {
  padding: 12px 24px;
  border-radius: 999px;
  background: #9fbed0;
  color: #17141a;
  font-weight: 800;
  font-size: clamp(13px, 3.6vw, 14px);
  line-height: 1;
  font-family: inherit;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

@supports (transition-behavior: allow-discrete) {
  .toast {
    transition: display 220ms allow-discrete, opacity 220ms cubic-bezier(0.2, 1.4, 0.4, 1), transform 220ms cubic-bezier(0.2, 1.4, 0.4, 1);
  }
  .toast.is-hidden {
    display: none;
    opacity: 0;
    transform: translateY(12px) scale(0.92);
  }
  @starting-style {
    .toast {
      opacity: 0;
      transform: translateY(12px) scale(0.92);
    }
  }
}
@media (prefers-reduced-motion: reduce) {
  .toast {
    transition: none !important;
  }
}