#container {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  background-color: #333333;
  font-family: Roboto;
}

#controls {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
}

#addDeviceBtn {
  background: #00796B;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
}

#addDeviceBtn:hover {
  background: #009688;
}

#downloadCsvBtn {
  background: #3949ab;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
}

#downloadCsvBtn:hover {
  background: #5c6bc0;
}

#importCsvBtn {
  background: #3949ab;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
}

#importCsvBtn:hover {
  background: #5c6bc0;
}

.link-btn {
  background: transparent;
  color: #fff;
  border: 1px solid #fff;
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}

#statusText {
  position: absolute;
  bottom: 50%;
  left: 0;
  right: 0;
  text-align: center;
  margin: 0 auto;
  color: #fff;
  font-size: 38px;
  width: 128px;
  overflow-x: visible;
  cursor: default;
  padding: 12px 0;
  user-select: none;
  -webkit-user-select: none;
}

#chart {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}