* {
  box-sizing: border-box;
  margin: 0;
  border: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  min-height: 100%;
  background-color: rgb(167, 208, 210);
}

body.no-scroll {
  overflow: hidden;
}

/* Navigation */

nav {
  width: 100%;
  height: 60px;
  border: 2px solid rgb(23, 44, 235);
  background-color: black;
  
}

nav div {
  height: auto;
  text-align: center;
  font-size: 1.5em;
  color: aqua;
  
}

nav a {
  height: auto;
  text-decoration: none;
  color: white;
  
}

/* Camera viewer */

#viewer {
  width: 100%;

  display: flex;
  flex-direction: row;
  flex-wrap: wrap;

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

  gap: 10px;
  padding-top: 10px;
}

/* Individual camera card */

.imageCard {
  position: relative;

  width: 300px;
  flex: 0 0 300px;

  cursor: pointer;
}

/* Camera image */

.cameraImage {
  display: block;

  width: 100%;
  height: auto;
}

/* Full transparent overlay layer */

.imageOverlay {
  position: absolute;
  inset: 0;

  pointer-events: none;
  z-index: 2;
}

/* Individual text items */

.overlayItem {
  position: absolute;
  text-align: center;
  color: white;
  background-color: transparent;

  border-radius: 5px;
  white-space: nowrap;
}

/* Camera name position */

.cameraName {
  top: 10px;
  left: 50%;

  transform: translateX(-50%);
}

/* Expanded card */

.imageCard.expanded {
  position: fixed;
  inset: 0;

  width: 100vw;
  height: 100dvh;

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

  background-color: black;
  z-index: 10;
}

/* Expanded image */

.imageCard.expanded .cameraImage {
  width: 100%;
  height: 100%;

  object-fit: contain;
}

/* Expanded overlay */

.imageCard.expanded .imageOverlay {
  position: absolute;
  inset: 0;

  z-index: 2;
}

/* Expanded overlay text */

.imageCard.expanded .overlayItem {
  font-size: 24px;
  padding: 10px 16px;
}

/* Expanded camera name */

.imageCard.expanded .cameraName {
  top: 30px;
  left: 50%;

  transform: translateX(-50%);
}

/* Small screens */

@media (max-width: 700px) {
  #viewer {
    gap: 5px;
    padding: 5px;
  }

  .imageCard {
    width: calc((100vw - 20px) / 3);
    flex: 0 0 calc((100vw - 20px) / 3);
  }

  .overlayItem {
    font-size: 12px;
  }

  .imageCard.expanded {
    width: 100vw;
    height: 100dvh;
  }

  .imageCard.expanded .overlayItem {
    font-size: 24px;
  }
}