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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.card {
  position: relative;
  width: 100%;
  max-width: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 16px;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(23, 20, 26, 0.18);
  text-align: center;
}

.eyebrow {
  margin: 0;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(23, 20, 26, 0.08);
  color: #17141a;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.badgeWrap {
  position: relative;
  display: inline-flex;
}

.badgeWrap::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 999px;
  background: rgba(194, 54, 26, 0.28);
  animation: badgeHalo 2s ease-out infinite;
}

.badge {
  --paper: #ffffff;
  --error: #c2361a;
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 4px 16px;
  border: 1px solid rgba(23, 20, 26, 0.16);
  border-radius: 999px;
  background: #ffffff;
  color: #17141a;
  font-weight: 700;
  font-size: 13px;
  transition: color 0.2s ease-out;
}

.badge.isHot {
  color: #fff7e6;
}

.message {
  margin: 0;
  color: #17141a;
  font-weight: 500;
  font-size: 14px;
  line-height: 1.5;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 8px 24px;
  background: #0a4fe8;
  color: #fff7e6;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transform-origin: center;
  transition: transform 0.2s ease-out;
}

@keyframes badgeHalo {
  0%, 100% {
    transform: scale(0.9);
    opacity: 0.4;
  }
  50% {
    transform: scale(1.18);
    opacity: 0.9;
  }
}
@media (max-width: 340px) {
  .card {
    max-width: 264px;
    padding: 16px 12px;
    gap: 8px;
  }
  .message {
    font-size: 12px;
  }
  .badge {
    font-size: 12px;
    padding: 4px 12px;
  }
  .btn {
    font-size: 12px;
    padding: 8px 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .badgeWrap::before {
    animation: none;
    opacity: 0.55;
  }
}