.ss-shell {
  --ss-coral: #ff6b6b;
  --ss-violet: #7651d4;
  --ss-deep: #16253b;
  --ss-sky: #dff5f5;
  width: min(92vw, 720px);
  max-width: 100%;
  margin: 0 auto;
  color: var(--cg-ink);
}

.ss-chrome {
  min-height: 58px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ss-stats,
.ss-actions,
.ss-modes,
.ss-result-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ss-stats {
  min-width: 0;
}

.ss-stat {
  min-width: 72px;
  padding: 7px 12px;
  border: 1px solid var(--cg-line);
  border-radius: 14px;
  background: var(--cg-panel);
  box-shadow: 0 4px 12px rgba(22, 37, 59, 0.06);
}

.ss-stat span,
.ss-result-stats span {
  display: block;
  color: var(--cg-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ss-stat strong {
  display: block;
  margin-top: 1px;
  font-size: 19px;
  font-variant-numeric: tabular-nums;
}

.ss-icon,
.ss-primary,
.ss-secondary,
.ss-mode,
.ss-close,
.ss-choice {
  min-width: 44px;
  min-height: 44px;
  border: 0;
  font: inherit;
  cursor: pointer;
  touch-action: manipulation;
}

.ss-icon {
  width: 46px;
  height: 46px;
  border: 1px solid var(--cg-line);
  border-radius: 14px;
  background: var(--cg-panel);
  color: var(--ss-deep);
  font-size: 20px;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(22, 37, 59, 0.07);
}

.ss-board {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  display: grid;
  grid-template-rows: 27% 73%;
  border: 1px solid rgba(22, 37, 59, 0.2);
  border-radius: 28px;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 255, 255, 0.9), transparent 27%),
    linear-gradient(145deg, #dff5f5 0%, #e6e4ff 50%, #ffe4dc 100%);
  box-shadow: var(--cg-shadow);
  outline: none;
}

.ss-board:focus-visible {
  box-shadow: 0 0 0 4px rgba(49, 95, 157, 0.28), var(--cg-shadow);
}

.ss-target-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 4vw, 30px);
  padding: clamp(12px, 2.5vw, 22px);
  border-bottom: 1px solid rgba(22, 37, 59, 0.13);
}

.ss-target-label {
  color: var(--ss-deep);
  font-size: clamp(12px, 2vw, 16px);
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.ss-target {
  width: clamp(88px, 18vw, 132px);
  height: clamp(88px, 18vw, 132px);
  display: grid;
  place-items: center;
  border: 2px solid rgba(22, 37, 59, 0.18);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 8px 20px rgba(22, 37, 59, 0.12);
}

.ss-shape {
  width: 82%;
  height: 82%;
  display: block;
  filter: drop-shadow(0 5px 2px rgba(22, 37, 59, 0.15));
}

.ss-marker {
  fill: rgba(255, 255, 255, 0.92);
  stroke: rgba(22, 37, 59, 0.45);
  stroke-width: 2px;
}

.ss-window {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: var(--ss-coral);
  transform-origin: left center;
}

.ss-window-run {
  animation: ss-window var(--ss-window-ms) linear forwards;
}

@keyframes ss-window {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}

.ss-grid {
  min-height: 0;
  padding: clamp(10px, 2.3vw, 18px);
  display: grid;
  gap: clamp(8px, 1.6vw, 14px);
}

.ss-count-4 {
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
}

.ss-count-6,
.ss-count-9 {
  grid-template-columns: repeat(3, 1fr);
}

.ss-count-6 {
  grid-template-rows: repeat(2, 1fr);
}

.ss-count-9 {
  grid-template-rows: repeat(3, 1fr);
}

.ss-choice {
  position: relative;
  min-width: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
  border: 2px solid rgba(22, 37, 59, 0.13);
  border-radius: clamp(14px, 2.4vw, 22px);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 7px 0 rgba(22, 37, 59, 0.12);
  transition: transform 80ms ease, border-color 80ms ease, box-shadow 80ms ease;
}

.ss-choice:hover,
.ss-choice:focus-visible {
  border-color: var(--cg-blue);
  transform: translateY(-2px);
  outline: none;
  box-shadow: 0 9px 0 rgba(49, 95, 157, 0.2);
}

.ss-choice:active {
  transform: translateY(4px);
  box-shadow: 0 3px 0 rgba(22, 37, 59, 0.14);
}

.ss-choice > span {
  position: absolute;
  top: 7px;
  left: 9px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--ss-deep);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}

.ss-board[data-flash="correct"] {
  box-shadow: 0 0 0 7px rgba(29, 127, 98, 0.28), var(--cg-shadow);
}

.ss-board[data-flash="wrong"] {
  box-shadow: 0 0 0 7px rgba(189, 60, 55, 0.28), var(--cg-shadow);
}

.ss-gate,
.ss-result {
  position: absolute;
  inset: 0;
  z-index: 4;
  padding: clamp(22px, 6vw, 56px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(145deg, rgba(22, 37, 59, 0.95), rgba(62, 43, 112, 0.94));
  color: #fff;
}

.ss-gate[hidden],
.ss-result[hidden],
.ss-modal[hidden] {
  display: none;
}

.ss-kicker {
  color: #9ce8df;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ss-gate > strong,
.ss-result > strong {
  margin-top: 8px;
  font-size: clamp(34px, 8vw, 64px);
  line-height: 1;
}

.ss-gate p,
.ss-result > p {
  max-width: 460px;
  margin: 16px 0 22px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(15px, 2.5vw, 19px);
  line-height: 1.45;
}

.ss-primary,
.ss-secondary,
.ss-mode {
  padding: 11px 18px;
  border-radius: 14px;
  font-weight: 900;
}

.ss-primary {
  background: var(--ss-coral);
  color: #271829;
  box-shadow: 0 6px 0 #b33c4a;
}

.ss-secondary {
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.ss-primary:focus-visible,
.ss-secondary:focus-visible,
.ss-mode:focus-visible,
.ss-icon:focus-visible,
.ss-close:focus-visible {
  outline: 3px solid var(--cg-amber);
  outline-offset: 2px;
}

.ss-result-stats {
  width: min(100%, 430px);
  margin-bottom: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.ss-result-stats div {
  padding: 12px 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
}

.ss-result-stats span {
  color: rgba(255, 255, 255, 0.62);
}

.ss-result-stats strong {
  display: block;
  margin-top: 5px;
  font-size: 20px;
}

.ss-below {
  min-height: 62px;
  padding-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--cg-muted);
  font-size: 13px;
}

.ss-mode {
  border: 1px solid var(--cg-line);
  background: var(--cg-panel);
  color: var(--cg-ink);
}

.ss-mode.ss-active {
  border-color: var(--ss-violet);
  background: var(--ss-violet);
  color: #fff;
}

.ss-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  padding: 18px;
  display: grid;
  place-items: center;
  background: rgba(10, 17, 28, 0.72);
}

.ss-modal-card {
  position: relative;
  width: min(100%, 520px);
  padding: 30px;
  border: 1px solid var(--cg-line);
  border-radius: 24px;
  background: var(--cg-panel);
  color: var(--cg-ink);
  box-shadow: var(--cg-shadow);
}

.ss-modal-card h2 {
  margin: 8px 50px 14px 0;
  font-size: 28px;
}

.ss-modal-card p {
  color: var(--cg-muted);
  line-height: 1.55;
}

.ss-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--cg-bg);
  color: var(--cg-ink);
  font-size: 25px;
}

@media (max-width: 600px) {
  .ss-shell {
    width: 100%;
  }

  .ss-chrome {
    min-height: 54px;
    margin-bottom: 8px;
  }

  .ss-stats {
    flex: 1;
    gap: 4px;
  }

  .ss-actions {
    flex: 0 0 auto;
    gap: 4px;
  }

  .ss-stat {
    flex: 1;
    min-width: 0;
    padding: 6px 8px;
    border-radius: 12px;
  }

  .ss-stat strong {
    font-size: 17px;
  }

  .ss-icon {
    width: 44px;
    height: 44px;
  }

  .ss-board {
    border-radius: 20px;
  }

  .ss-target-wrap {
    justify-content: space-around;
    gap: 8px;
    padding: 8px;
  }

  .ss-target {
    width: 82px;
    height: 82px;
    border-radius: 18px;
  }

  .ss-grid {
    padding: 8px;
    gap: 7px;
  }

  .ss-choice {
    border-radius: 13px;
    box-shadow: 0 5px 0 rgba(22, 37, 59, 0.12);
  }

  .ss-choice > span {
    top: 5px;
    left: 6px;
    width: 21px;
    height: 21px;
  }

  .ss-below {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ss-choice {
    transition: none;
  }
}