body {
  margin: 0px;
  height: 100vh;
  font-family: "Roboto", sans-serif;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--lightergray);
}

footer {
  flex-shrink: 0;
}

figure {
  margin: 0;
}

.row {
  display: flex;
  flex-direction: row;
}

.column {
  display: flex;
  flex-direction: column;
}

.content {
  flex: 1 0 auto;
}

.container {
  width: 80vw;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.container.compare {
  flex-direction: row;
}

.model-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.activity-title {
  font-family: "Montserrat";
  font-weight: bold;
  font-size: 1.5rem;
  text-align: center;
  color: var(--primary);
  margin: 2rem 0 0 1rem;
}

.activity-description {
  color: var(--primary);
  font-family: "Roboto";
  font-size: 1.25rem;
  margin: 0.5rem 0 2rem 0;
  text-align: center;
  width: 400px;
}

.activity-description.mv {
  width: 70%;
}

.back-btn {
  text-decoration: none;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 600;
  padding: 0.5rem 1rem 0.6rem;
  border: none;
  color: var(--primary);
  margin: 1rem 0 0.5rem 0;
  border-radius: 5px;
  cursor: pointer;
  box-shadow: inset 0 -0.2em rgba(0, 0, 0, 0.2);
  outline: 0;
  transition: 0.2s;
  background-color: var(--secondary);
}

.back-btn:active {
  transform: scale(0.9);
}

.back-btn.margin-bottom {
  margin-bottom: 2rem;
}

/* Model Viewer styles */
model-viewer {
  width: 500px;
  height: 500px;
  margin: 0 auto;
}

model-viewer button {
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 10px;
  border: none;
  background-color: orange;
  box-sizing: border-box;
}

button[slot="hotspot-hand"] {
  --min-hotspot-opacity: 0;
  background-color: orange;
}

button[slot="hotspot-foot"] {
  --min-hotspot-opacity: 0;
  background-color: orange;
}

button[slot="hotspot-foot2"] {
  --min-hotspot-opacity: 0;
  background-color: orange;
}

.ar-button {
  background-image: url(/assets/img/icon-ar2.png);
  background-repeat: no-repeat;
  background-size: 20px 20px;
  background-position: 12px 50%;
  background-color: var(--secondary);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  padding: 0px 16px 0px 40px;
  font-family: "Roboto";
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  height: 36px;
  width: 190px;
  line-height: 36px;
  border-radius: 5px;
  box-shadow: inset 0 -0.2em rgba(0, 0, 0, 0.2);
  outline: 0;
}

.ar-button:active {
  background-color: #e8eaed;
}

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

.ar-button:focus-visible {
  outline: 1px solid var(--primary);
}

.annotation {
  background-color: var(--primary);
  position: absolute;
  transform: translate(10px, 10px);
  border-radius: 10px;
  padding: 10px;
  color: #ffffff;
}

.annotation.left {
  transform: translate(-100%, 10px);
}
/* This keeps child nodes hidden while the element loads */
:not(:defined) > * {
  display: none;
}

@media screen and (max-width: 800px) {
  model-viewer {
    width: 100vw;
    height: 75vw;
    margin: 0;
  }
  .container.compare {
    flex-direction: column;
  }
}

@media screen and (max-width: 500px) {
  .activity-description {
    font-size: 1rem;
    margin: 0.5rem 0 1.5rem 0;
    text-align: center;
    width: 70vw;
  }

  .back-btn {
    font-size: 14px;
    line-height: 36px;
    height: 36px;
    width: 190px;
    padding: 0px;
  }
}

@media screen and (max-width: 450px) {
  .activity-description {
    font-size: 0.8rem;
    margin: 1rem;
  }

  .back-btn {
    margin: 1rem 0 0rem 0;
  }
}