/* ---------------------------
   기본 구조
---------------------------- */
.auth {
  max-width: 800px;
  margin: 100px auto;
  padding: 40px;
  background-color: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.auth__title {
  font-size: 24px;
  text-align: center;
  margin-bottom: 30px;
  color: var(--color-text);
}

.auth__section-title {
  margin-top: 30px;
  font-size: 16px;
  color: var(--color-muted);
}

.auth__info {
  text-align: center;
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 20px;
}

/* ---------------------------
   입력 필드
---------------------------- */
.auth__form input[type="text"],
.auth__form input[type="password"],
.auth__form input[type="email"] {
  width: 100%;
  padding: 12px;
  background-color: #222;
  color: var(--color-text);
  border: none;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 15px;
}

.auth__textarea {
  width: 100%;
  height: 120px;
  background-color: #222;
  color: var(--color-text);
  border: none;
  border-radius: var(--radius);
  padding: 10px;
  margin-top: 10px;
  font-size: 14px;
  resize: none;
}

.auth__checkbox-label {
  display: block;
  margin: 10px 0 20px;
  font-size: 14px;
  color: var(--color-muted);
}

/* ---------------------------
   버튼 스타일
---------------------------- */
.auth__form button {
  width: 100%;
  background-color: var(--color-primary);
  color: var(--color-text);
  border: none;
  padding: 14px;
  font-size: 16px;
  font-weight: bold;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.auth__form button:hover {
  background-color: #27ae60;
}

.auth__link {
  color: var(--color-primary);
  text-decoration: none;
  margin: 0 5px;
  font-weight: 500;
}

.auth__link:hover {
  text-decoration: underline;
}

.auth__separator {
  color: var(--color-muted);
}

/* ---------------------------
   비밀번호 조건 체크
---------------------------- */
.form__pw-checklist li {
  color: var(--color-muted);
  font-size: 14px;
  margin-bottom: 5px;
}

.form__pw-checklist li.valid {
  color: var(--color-primary); /* 연두색 */
  font-weight: bold;
}

.form__pw-checklist li.invalid {
  color: #e74c3c; /* 빨강색 */
  font-weight: bold;
}

/* ---------------------------
   이메일 입력 그룹 (PC: 가로, 모바일: 세로)
---------------------------- */
.auth-register__email-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.auth-register__email-group > input,
.auth-register__email-group > select,
.auth-register__email-separator {
  flex: 1 1 auto;
  min-width: 0;
}

.auth-register__email-separator {
  flex: 0 0 auto;
  font-weight: bold;
  color: var(--color-text);
}

/* ---------------------------
   한 줄 입력 그룹 (제목+도메인)
---------------------------- */
.form__input-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.form__input-inline .input {
  flex: 1 1 0;
  min-width: 0;
}

.form__separator {
  flex: 0 0 auto;
  padding: 0 5px;
  color: var(--color-text);
  font-weight: bold;
}

/* ---------------------------
   반응형 (모바일 기준)
---------------------------- */
@media (max-width: 600px) {
  .auth-register__email-group {
    flex-direction: column;
    align-items: stretch;
  }

  .auth-register__email-separator {
    align-self: flex-start;
    padding-left: 2px;
  }

  .form__input-inline {
    flex-direction: column;
    align-items: stretch;
  }

  .form__separator {
    padding-left: 0;
    align-self: flex-start;
  }
}