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);
}

.panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 40px);
  grid-template-rows: repeat(3, 40px);
  gap: 12px;
}

.crayon {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
}

.ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 3px solid #fff7e6;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  pointer-events: none;
}
.ring.is-black-ring {
  border-color: #17141a;
}

.readout {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 999px;
  background: #fff7e6;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
}

.swatch {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
}

.hex {
  color: #17141a;
  font-family: "Space Mono", ui-monospace, monospace;
  font-weight: 700;
  font-size: 13px;
  line-height: 1.3;
}

@media (max-width: 340px) {
  .grid {
    grid-template-columns: repeat(3, 32px);
    grid-template-rows: repeat(3, 32px);
    gap: 8px;
  }
  .crayon {
    width: 32px;
    height: 32px;
  }
  .ring {
    width: 32px;
    height: 32px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ring {
    transition: none;
  }
}