:root { --accent: #16a085; --accent-2: #73c6b6; }

.arena-card { max-width: 26rem; margin: 0 auto; text-align: center; }

.scoreboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding: 1rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.score-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-2);
}

.score-lbl { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }

.arena-result {
  min-height: 4rem;
  font-size: 1.05rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: background 0.25s;
}

.arena-result.is-win { background: color-mix(in srgb, #2ecc71 15%, transparent); }
.arena-result.is-lose { background: color-mix(in srgb, #e74c3c 12%, transparent); }

.rps-row { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }

.rps-btn {
  font: inherit;
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.rps-btn:hover { transform: translateY(-2px); border-color: var(--accent); }
.rps-btn:active { transform: scale(0.98); }

@media (min-width: 480px) {
  .rps-row { flex-direction: row; }
  .rps-btn { flex: 1; }
}