.pre-auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.pre-auth__container {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}

.pre-auth__logo {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: 0.2em;
  color: var(--color-fg);
}

.pre-auth__card {
  width: 100%;
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

/* 認証画面（ログイン等）はカード幅が狭いので、パスワード欄の共通上限(.password-field の
   22rem)を外し、メール等ほかの入力欄とカード幅いっぱいに揃える。広いフォーム側の上限は維持。 */
.pre-auth .password-field { max-width: none; }

.pre-auth__title {
  margin: 0 0 1rem;
  font-size: 1.2rem;
}

.pre-auth__hint {
  margin: 0 0 1rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.pre-auth__links {
  margin: 1.2rem 0 0;
  font-size: 0.9rem;
}

.pre-auth__footer { color: var(--color-muted); font-size: 0.8rem; }

.pre-auth__steps {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.pre-auth__step {
  flex: 1;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--color-border, #ddd);
  border-radius: var(--radius);
  text-align: center;
}

.pre-auth__step--current {
  border-color: var(--color-primary, #2a6df4);
  color: var(--color-primary, #2a6df4);
  font-weight: 600;
}

.pre-auth__step--done {
  border-color: var(--color-primary, #2a6df4);
  color: var(--color-primary, #2a6df4);
  opacity: 0.7;
}

.form__input--mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9rem;
  word-break: break-all;
}

.pre-auth__qr {
  display: flex;
  justify-content: center;
  margin: 0 0 1.2rem;
}

.pre-auth__qr img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border, #ddd);
  border-radius: var(--radius);
  background: #fff;
  padding: 0.5rem;
}

.pre-auth__details {
  margin: 0 0 1rem;
  font-size: 0.9rem;
}

.pre-auth__details summary {
  cursor: pointer;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}