/* =========================================================
   🔥 전체 화면 Overlay
========================================================= */
#loadingOverlay {
  position: fixed;
  inset: 0;
  z-index: 99999;

  display: flex;
  align-items: center;
  justify-content: center;

  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(3px);

  opacity: 0;
  pointer-events: none;

  transition: opacity 0.25s ease;
}

/* 활성화 */
#loadingOverlay.show {
  opacity: 1;
  pointer-events: auto;
}

/* =========================================================
   🔥 중앙 카드 (로딩 박스)
========================================================= */
.center-loading {
  width: 140px;
  height: 140px;

  background: #fff;
  border-radius: 16px;

  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  transform: scale(0.9);
  transition: transform 0.25s ease;
}

/* show 시 확대 */
#loadingOverlay.show .center-loading {
  transform: scale(1);
}

/* =========================================================
   🔥 Spinner
========================================================= */
.center-loading .spinner {
  width: 42px;
  height: 42px;
  margin-bottom: 10px;

  border: 5px solid #eee;
  border-top: 5px solid #0067A3;
  border-radius: 50%;

  animation: spin 0.9s linear infinite;
}

/* 텍스트 */
.center-loading span {
  font-size: 13px;
  color: #555;
  letter-spacing: 0.5px;
}

/* 회전 애니메이션 */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}