/* 드롭존 */
.drop-zone {
  border: 2px dashed #ccc;
  border-radius: 8px;
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: #fafafa;
}
.drop-zone:hover,
.drop-zone.drag-over {
  border-color: #0d6efd;
  background: #f0f5ff;
}

/* 통계 박스 */
.stat-box {
  background: #f8f9fa;
  border-radius: 10px;
  padding: 16px 24px;
  min-width: 110px;
}
.stat-num {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: #6c757d;
  margin-top: 4px;
}