* {
  margin: 0;
  padding: 0;
  outline: none;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  height: 100%;
}

body {
  overflow: hidden;
  height: 100%;
}

.wrapper {
  display: flex;
  width: 100%;
  height: 100%;
}

.video {
  flex-grow: 1;
  flex-shrink: 0;
  height: 100%;
  transition: aspect-ratio 0.3s ease-in-out;
}

.chat {
  width: 320px;
}

@media (max-width: 960px) {
  .wrapper {
    flex-direction: column;
  }

  .video {
    flex-grow: 0;
    aspect-ratio: 16 / 9;
    max-height: calc(100% - 180px);
    width: 100%;
    height: unset;
  }

  .chat {
    width: 100%;
    flex-grow: 1;
  }
}

@media (max-height: 480px) {
  .video {
    aspect-ratio: 16 / 5;
  }
}