/* Simple full-screen preloader */
.preloader {
  position: fixed;
  inset: 0;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1050;
  transition:
    opacity 0.4s ease,
    visibility 0.4s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader .spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.preloader .spinner img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin-bottom: 12px;
  animation: pulse 1.2s ease-in-out infinite;
}

.preloader .spinner .lds-ring {
  display: inline-block;
  position: relative;
  width: 48px;
  height: 48px;
}

.preloader .spinner .lds-ring div {
  box-sizing: border-box;
  display: block;
  position: absolute;
  width: 40px;
  height: 40px;
  margin: 4px;
  border: 4px solid #007bff;
  border-radius: 50%;
  animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  border-color: #007bff transparent transparent transparent;
}

.preloader .spinner .lds-ring div:nth-child(1) {
  animation-delay: -0.45s;
}

.preloader .spinner .lds-ring div:nth-child(2) {
  animation-delay: -0.3s;
}

.preloader .spinner .lds-ring div:nth-child(3) {
  animation-delay: -0.15s;
}

.hide {
  display: none !important;
}

@keyframes lds-ring {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}