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);
}

.sk {
  --pastel-f-i: #a6ced3;
  --pastel-e-i: #429da9;
  --pastel-f-o: #d3c9a6;
  --pastel-e-o: #a99342;
  --pastel-f-t: #c6a6d3;
  --pastel-e-t: #8a42a9;
  --pastel-f-s: #a6d3b1;
  --pastel-e-s: #42a95b;
  --pastel-f-z: #d3a6aa;
  --pastel-e-z: #a9424a;
  --pastel-f-j: #a6b4d3;
  --pastel-e-j: #4261a9;
  --pastel-f-l: #d3baa6;
  --pastel-e-l: #a97042;
  --pastel-line: rgba(255, 247, 230, 0.08);
  --pastel-flash: #ffd23f;
  --night-f-i: #2e4a4f;
  --night-e-i: #8fd0da;
  --night-f-o: #4f482e;
  --night-e-o: #dcc98f;
  --night-f-t: #472e4f;
  --night-e-t: #d0a6df;
  --night-f-s: #2e4f3a;
  --night-e-s: #98e0af;
  --night-f-z: #4f2e33;
  --night-e-z: #e0a6ae;
  --night-f-j: #2e384f;
  --night-e-j: #a6bae0;
  --night-f-l: #4f3c2e;
  --night-e-l: #e0c0a6;
  --night-line: rgba(255, 247, 230, 0.06);
  --night-flash: #6ec8ff;
  --mono-f-i: #b9c2cc;
  --mono-e-i: #5d6a78;
  --mono-f-o: #a3aeb9;
  --mono-e-o: #4d5a68;
  --mono-f-t: #cdd5dd;
  --mono-e-t: #707d8b;
  --mono-f-s: #96a2ad;
  --mono-e-s: #414d5a;
  --mono-f-z: #b0bac5;
  --mono-e-z: #57646f;
  --mono-f-j: #8b97a3;
  --mono-e-j: #38434f;
  --mono-f-l: #c2cad3;
  --mono-e-l: #67737f;
  --mono-line: rgba(255, 247, 230, 0.1);
  --mono-flash: #fff7e6;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 440px;
}

.sk__hint {
  margin: 0;
  font-weight: 700;
  font-size: clamp(10px, 2.8vw, 12px);
  line-height: 1.35;
  color: #fff7e6;
}

.sk__row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.sk__field {
  position: relative;
  overflow: hidden;
  flex: 0 0 auto;
  width: clamp(150px, 42vw, 208px);
  height: clamp(208px, 60vw, 236px);
  border-radius: 16px;
  background: rgba(255, 247, 230, 0.04);
  box-shadow: inset 0 0 0 1px rgba(255, 247, 230, 0.14);
  cursor: pointer;
  touch-action: manipulation;
}

.sk__field:focus-visible {
  outline: 2px solid #6ec8ff;
  outline-offset: 2px;
}

.sk__cv {
  display: block;
  width: 100%;
  height: 100%;
}

.sk__side {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 4px;
}

.sk__title {
  font-weight: 800;
  font-size: clamp(11px, 2.8vw, 13px);
  line-height: 1;
  color: #ffd23f;
  letter-spacing: 0.04em;
}

.sk__skins {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}

.sk__skinBtn {
  flex: 1;
  appearance: none;
  border: 0;
  padding: 4px 8px;
  border-radius: 12px;
  background: rgba(255, 247, 230, 0.08);
  color: rgba(255, 247, 230, 0.82);
  font: 600 clamp(9px, 2.4vw, 11px)/1.4 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255, 247, 230, 0.18);
}

.sk__skinBtn[aria-pressed=true] {
  background: #fff7e6;
  color: #17141a;
  box-shadow: inset 0 0 0 1px #fff7e6;
}

.sk__stats {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sk__sLabel {
  font-weight: 700;
  font-size: clamp(9px, 2.4vw, 11px);
  color: rgba(255, 247, 230, 0.72);
}

.sk__score {
  font-weight: 800;
  font-size: clamp(20px, 5vw, 28px);
  line-height: 1.1;
  color: #fff7e6;
  font-variant-numeric: tabular-nums;
}

.sk__best {
  font-weight: 700;
  font-size: clamp(14px, 3.6vw, 18px);
  line-height: 1.2;
  color: #ffd23f;
  font-variant-numeric: tabular-nums;
}

.sk__gameover {
  margin: 4px 0 0;
  font-weight: 800;
  font-size: clamp(10px, 2.6vw, 12px);
  color: #ff4d1f;
  visibility: hidden;
}

.sk__gameover.is-on {
  visibility: visible;
}

.sk__hist {
  position: relative;
  flex: 1;
  min-height: 0;
  margin-top: 4px;
  border-radius: 8px;
  background: rgba(255, 247, 230, 0.05);
  box-shadow: inset 0 0 0 1px rgba(255, 247, 230, 0.12);
  overflow: hidden;
}

.sk__hist canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

@media (max-width: 340px) {
  .sk {
    gap: 4px;
  }
  .sk__field {
    width: 92px;
    height: 116px;
  }
  .sk__score {
    font-size: 16px;
  }
  .sk__best {
    font-size: 12px;
  }
  .sk__stats {
    margin-top: 4px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .sk.is-still .sk__field {
    cursor: default !important;
  }
}