/* ── 버블 슈터 게임 전용 스타일 ──────────────────────────── */

.bubble-wrap {
  width: min(600px, 96vw);
  margin: 0 auto 20px;
}

/* ── 상단 컨트롤 바 ──────────────────────────────────────── */
.bubble-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
}

.bubble-sound-toggle {
  background: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 5px 10px;
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
  transition: background 0.2s;
}
.bubble-sound-toggle:hover {
  background: rgba(0,0,0,0.05);
}

/* ── 게임 상태 텍스트 ────────────────────────────────────── */
#game-status {
  font-size: 15px;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: 0.3px;
  font-variant-numeric: tabular-nums;
}

/* ── 새 게임 버튼 (gomoku-style primary 동일) ────────────── */
#new-game-btn {
  border: none;
  border-radius: 10px;
  padding: 8px 16px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

#new-game-btn:hover {
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

/* ── 캔버스 ──────────────────────────────────────────────── */
#bubble-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 5 / 7;
  cursor: crosshair;
  border-radius: 16px;
  box-shadow:
    0 4px 0 rgba(30, 27, 75, 0.4),
    0 12px 40px rgba(15, 23, 42, 0.35);
  touch-action: none;
}

/* ── 하단 정보 패널 ──────────────────────────────────────── */
.bubble-info {
  width: min(600px, 96vw);
  margin: 16px auto 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.bubble-info h2 {
  margin: 0 0 10px;
  font-size: 20px;
  color: var(--ink);
}

.bubble-info h3 {
  margin: 18px 0 8px;
  font-size: 16px;
  color: var(--ink);
}

.bubble-info p {
  margin: 0 0 12px;
  color: #334155;
  line-height: 1.65;
  font-size: 14px;
}

.bubble-info ul {
  margin: 0 0 14px 20px;
  padding: 0;
}

.bubble-info li {
  margin-bottom: 6px;
  color: #334155;
  font-size: 14px;
  line-height: 1.6;
}

.bubble-info details.faq {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fafafa;
  padding: 12px 14px;
  margin-top: 8px;
}

.bubble-info details.faq summary {
  cursor: pointer;
  font-weight: 800;
  font-size: 14px;
  list-style: none;
}

.bubble-info details.faq summary::-webkit-details-marker {
  display: none;
}

.bubble-info details.faq p {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* ── 반응형 ──────────────────────────────────────────────── */
@media (max-width: 480px) {
  .bubble-top {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }

  #game-status {
    font-size: 13px;
  }
}