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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffd23f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.kal__row {
  position: relative;
  display: flex;
  gap: 8px;
  padding: 4px;
}

.kal__ring {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 0;
  width: 0;
  border: 2px solid #2f6df6;
  border-radius: 12px;
  pointer-events: none;
}

.kal__opt {
  position: relative;
  appearance: none;
  border: 0;
  border-radius: 12px;
  background: rgba(23, 20, 26, 0.08);
  color: #17141a;
  font-weight: 700;
  font-size: 12px;
  padding: 8px 12px;
  cursor: pointer;
  white-space: nowrap;
}

.kal__opt[aria-checked=true] {
  background: #17141a;
  color: #fff7e6;
}

.kal__opt:focus-visible {
  outline: 2px solid #17141a;
  outline-offset: 2px;
}

@media (max-width: 340px) {
  .kal__row {
    flex-wrap: wrap;
    max-width: 260px;
  }
  .kal__opt {
    font-size: 11px;
    padding: 4px 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .kal__ring {
    transition: none;
  }
}