.rps-arena {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 5vw, 42px);
  width: min(460px, 100%);
}

.rps-side {
  display: grid;
  gap: 6px;
  justify-items: center;
  flex: 1;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 18px 12px;
  background: var(--canvas);
  box-shadow: var(--shadow-sm);
}

.rps-side span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
}

.rps-side strong {
  font-size: clamp(40px, 9vw, 58px);
  line-height: 1;
}

.rps-side.is-winner {
  border-color: var(--primary);
  background: rgba(62, 207, 142, 0.1);
}

.rps-vs {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.rps-choices {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.rps-choice {
  display: grid;
  gap: 4px;
  justify-items: center;
  min-width: 104px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  background: var(--canvas);
  box-shadow: var(--shadow-sm);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    box-shadow 140ms ease;
}

.rps-choice span {
  font-size: 30px;
  line-height: 1;
}

.rps-choice:hover,
.rps-choice:focus-visible {
  transform: translateY(-2px);
  border-color: var(--ink);
  box-shadow: var(--shadow-md);
}

.rps-choice:active {
  transform: translateY(0);
}