/* 지뢰찾기 전용 스타일 (공통 패널/통계/결과 UI는 assets/css/common.css 참고) */

.minesweeper-app {
  margin-top: 1rem;
}

.difficulty-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
  flex-wrap: wrap;
}

.difficulty-btn {
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--fg-muted);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
}

.difficulty-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(74, 108, 247, 0.1);
}

.board-scroll {
  overflow-x: auto;
  padding-bottom: 0.4rem;
}

.mine-board-wrap {
  position: relative;
  width: max-content;
  margin: 0 auto;
}

.mine-board {
  --cell-size: 30px;
  display: grid;
  gap: 2px;
  background: var(--border);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 2px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.mine-board.difficulty-expert {
  --cell-size: 24px;
}

.mine-cell {
  width: var(--cell-size);
  height: var(--cell-size);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 800;
  border-radius: 3px;
  background: linear-gradient(160deg, var(--bg-elevated), var(--bg));
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), inset 0 -2px 0 rgba(0, 0, 0, 0.06);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  transition: background 0.1s ease;
}

.mine-cell.revealed {
  background: var(--bg);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.12);
  cursor: default;
}

.mine-cell.mine-hit {
  background: var(--incorrect);
  color: #fff;
  box-shadow: none;
}

.mine-cell.flagged {
  background: linear-gradient(160deg, var(--bg-elevated), var(--bg));
}

.mine-cell .n1 { color: #2f6fed; }
.mine-cell .n2 { color: #1f9d55; }
.mine-cell .n3 { color: #e0324b; }
.mine-cell .n4 { color: #1e3a8a; }
.mine-cell .n5 { color: #8a3b1e; }
.mine-cell .n6 { color: #14848a; }
.mine-cell .n7 { color: #1c1e26; }
.mine-cell .n8 { color: #6b7280; }

[data-theme="dark"] .mine-cell .n7 { color: #e9eaf0; }

.difficulty-expert .mine-cell {
  font-size: 0.8rem;
}

@media (max-width: 480px) {
  .mine-board {
    --cell-size: 26px;
  }

  .mine-cell {
    font-size: 0.85rem;
  }

  .mine-board.difficulty-expert {
    --cell-size: 22px;
  }

  .difficulty-expert .mine-cell {
    font-size: 0.72rem;
  }
}