[layout="authentication"] {
  display: flex;
  flex-direction: column;
  align-items: center;

  h1 {
    --font-size: calc(var(--3xl) - var(--xl));
    margin: var(--xl);
  }

  form {
    display: flex;
    flex-direction: column;
    background: var(--color-scheme-background);
    padding: var(--xl);
    border-radius: var(--xxs);
    max-width: 75%;
    width: 360px;

    input {
      display: flex;
      width: auto;
      max-width: 100%;
    }
  }

  @container layout (width < 640px) {
    form {
      width: 100%;
      margin: 0;
      padding: var(--xxs);
      background: transparent;
      box-shadow: none;
    }
  }
}