html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: monospace;
  background-color: #18181a;
  color: #ffffff;
}

#grid {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.pane {
  flex: 1 1 0;
  white-space: nowrap;
  padding: 1em;

  display: flex;
  flex-direction: column;
}

.separator {
  width: auto;
  height: 2px;
  background-color: #292929;
}

textarea {
  resize: none;
  border: none;
  overflow: auto;
  outline: none;
  color: #ffffff;
  background-color: transparent;
}

#input {
  height: 100%;
  background-color: #292929;
  border-radius: 0.25rem;
}

#output {
  height: 100%;
}

.hidden {
  display: none;
}

.disabled-text {
  color: #4d4d4d;
}

.error {
  background: #350000;
  border: 1px solid #a60000;
  border-radius: 0.25rem;
}

#error-box > * {
  margin: 1rem;
}

@media only screen and (min-width: 800px) {
  #grid {
    flex-direction: row;
  }

  .separator {
    height: auto;
    width: 2px;
  }
}