* {
  box-sizing: border-box;
}

body {
  background-color: #212121;
  color: #ffffff;
  font-family: sans-serif;
}

h1 {
  font-weight: 500;
  text-align: center;
}

.select-file-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 200px;
  border: 2px dashed #666666;
  border-radius: 10px;
  cursor: pointer;
}

body.file-loaded .select-file-wrapper {
  height: 100px;
}

.loader {
  display: none;
}

body.is-loading .loader {
  display: block;
  text-align: center;
}

main {
  flex-grow: 1;
}

.error-wrapper {
  display: none;
  background-color: #eb8c95;
  color: #66121a;
  border: 1px solid #66121a;
  border-radius: 0.5rem;
  padding: 0.5rem 2rem;
  margin-top: 1rem;
}

body.has-error .error-wrapper {
  display: block;
}