:not(:defined) > * {
  display: none;
}

html {
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

model-viewer {
  width: 100%;
  height: 100%;
  background-color: #edebe1;
  background-image: url(./Haustenbeck_Webseite_AR-BG.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}


/* Preloader Container */
.preloader {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hide {
  opacity: 0;
  visibility: hidden;
}

/* Spinner */
.preloader-spinner {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(255, 255, 255, 0.3);
  border-top: 5px solid #ffffff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

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

/* Text */
.preloader-text {
  color: #ffffff;
  font-family: Roboto, 'Helvetica Neue', sans-serif;
  font-size: 16px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

/* Progress Bar Wrapper */
.preloader-bar-wrapper {
  width: 80%;
  max-width: 300px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  overflow: hidden;
}

/* Progress Bar Fill */
.preloader-bar-fill {
  width: 0%;
  height: 100%;
  background-color: #4285f4;
  border-radius: 5px;
  transition: width 0.1s linear;
}

#ar-button {
  background-image: url(ar_icon.png);
  background-repeat: no-repeat;
  background-size: 20px 20px;
  background-position: 12px 50%;
  background-color: #fff;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  bottom: 16px;
  padding: 0px 16px 0px 40px;
  font-family: Roboto Regular, Helvetica Neue, sans-serif;
  font-size: 14px;
  color: #4285f4;
  height: 36px;
  line-height: 36px;
  border-radius: 18px;
  border: 1px solid #DADCE0;
}

#ar-button:active {
  background-color: #E8EAED;
}

#ar-button:focus {
  outline: none;
}

#ar-button:focus-visible {
  outline: 1px solid #4285f4;
}

@keyframes circle {
  from {
    transform: translateX(-50%) rotate(0deg) translateX(50px) rotate(0deg);
  }

  to {
    transform: translateX(-50%) rotate(360deg) translateX(50px) rotate(-360deg);
  }
}

@keyframes elongate {
  from {
    transform: translateX(100px);
  }

  to {
    transform: translateX(-100px);
  }
}

model-viewer > #ar-prompt {
  position: absolute;
  left: 50%;
  bottom: 60px;
  animation: elongate 2s infinite ease-in-out alternate;
  display: none;
}

model-viewer[ar-status="session-started"] > #ar-prompt {
  display: block;
}

model-viewer > #ar-prompt > img {
  animation: circle 4s linear infinite;
}