/**
 * auth-page.css
 * БЭМ-блок: auth-page
 * Страница авторизации (вход/регистрация)
 * Светлая тема, центрированная форма в карточке
 */

/* ===========================
   Block: auth-page
   =========================== */

.auth-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-md);
  background-color: var(--color-bg-alt);
}

/* ===========================
   Element: container
   =========================== */

.auth-page__container {
  width: 100%;
  max-width: 440px;
}

/* ===========================
   Element: header (logo area)
   =========================== */

.auth-page__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

/* ===========================
   Element: logo
   =========================== */

.auth-page__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.auth-page__logo:hover {
  opacity: 0.85;
}

.auth-page__logo-image {
  width: 64px;
  height: 64px;
  object-fit: contain;
  flex-shrink: 0;
}

.auth-page__logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

/* ===========================
   Element: description
   =========================== */

.auth-page__description {
  margin: 0;
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
}

/* ===========================
   Element: tabs (navigation between login/register)
   =========================== */

.auth-page__tabs {
  display: flex;
  margin-bottom: 0;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-bottom: none;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
}

/* ===========================
   Element: card
   =========================== */

.auth-page__card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

/* Card when tabs are present (no top radius) */
.auth-page__tabs + .auth-page__card,
.auth-page__tabs ~ .auth-form,
.auth-page__tabs ~ .auth-form__alert {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

/* ===========================
   Element: content
   =========================== */

.auth-page__content {
  padding: var(--spacing-lg);
}

/* ===========================
   Element: footer
   =========================== */

.auth-page__footer {
  margin-top: var(--spacing-xl);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.auth-page__footer-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.auth-page__footer-link:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* ===========================
   Form inside auth-page (without card wrapper)
   Direct form styling for auth pages
   =========================== */

.auth-page .auth-form {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

/* Alert blocks styling inside auth-page */
.auth-page .auth-form__alert {
  margin: 0;
  border-radius: 0;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

.auth-page .auth-form__alert:not(.auth-form__alert--hidden) {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: #fdf2f2;
  border-top: 1px solid #f8d7da;
  border-bottom: 1px solid #f8d7da;
}

.auth-page .auth-form__alert--success:not(.auth-form__alert--hidden) {
  background-color: #d4edda;
  border-top-color: #c3e6cb;
  border-bottom-color: #c3e6cb;
}

/* ===========================
   Media Queries
   =========================== */

/* Small devices (480px and up) */
@media (min-width: 480px) {
  .auth-page {
    padding: var(--spacing-lg);
  }

  .auth-page__logo-image {
    width: 72px;
    height: 72px;
  }

  .auth-page__logo {
    font-size: var(--font-size-2xl);
  }

  .auth-page__content {
    padding: var(--spacing-xl);
  }

  .auth-page .auth-form {
    padding: var(--spacing-xl);
  }
}

/* Medium devices (768px and up) */
@media (min-width: 768px) {
  .auth-page {
    padding: var(--spacing-xl);
  }

  .auth-page__header {
    margin-bottom: var(--spacing-xl);
  }

  .auth-page__logo-image {
    width: 80px;
    height: 80px;
  }

  .auth-page__description {
    font-size: var(--font-size-lg);
  }

  .auth-page__content {
    padding: var(--spacing-2xl);
  }

  .auth-page .auth-form {
    padding: var(--spacing-2xl);
  }
}

/* Large devices (1024px and up) */
@media (min-width: 1024px) {
  .auth-page__container {
    max-width: 480px;
  }
}

/* Extra large devices (1280px and up) */
@media (min-width: 1280px) {
  .auth-page__container {
    max-width: 500px;
  }

  .auth-page__content {
    padding: var(--spacing-2xl) var(--spacing-3xl);
  }

  .auth-page .auth-form {
    padding: var(--spacing-2xl) var(--spacing-3xl);
  }
}