/* === Page-specific layout === */

/* Home (index) */
.home-banner {
  margin: 0 0 1.5rem;
}

.home-banner__link {
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-surface);
  border: 1px solid var(--color-neutral-weak);
  box-shadow: none;
}

.home-banner__image {
  display: block;
  width: 100%;
  height: auto;
}

/* Catalog */
.catalog-search {
  padding: 0 0.75rem;
  margin-bottom: 0.75rem;
}

.catalog-search__field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-subtle);
}

.catalog-search__icon {
  flex: 0 0 auto;
  color: var(--color-placeholder);
}

.catalog-search__input {
  flex: 1 1 auto;
  min-width: 0;
  border: none;
  background: transparent;
  font: inherit;
  color: var(--color-text);
}

.catalog-search__input:disabled {
  color: var(--color-placeholder-disabled);
  cursor: not-allowed;
  opacity: 1;
}

.catalog-search__input::placeholder {
  color: var(--color-placeholder);
}

.catalog-search__input:focus {
  outline: none;
}

.catalog-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding: 1rem 0.75rem;
  overflow-y: auto;
}


/* Account */
.account-page {
  max-width: 420px;
  padding-top: clamp(1.25rem, 3vw, 2rem);
  padding-left: clamp(1rem, 4vw, 2rem);
  padding-right: clamp(1rem, 4vw, 2rem);
}

.account-header {
  margin-bottom: var(--space-lg);
}

.account-kicker {
  margin: 0 0 var(--space-sm);
  font-size: var(--font-size-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.account-subtitle {
  margin: 0;
}

.account-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.account-identity {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.account-label {
  margin: 0 0 var(--space-xs);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.account-email {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  word-break: break-all;
}

.account-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.account-actions .button {
  width: 100%;
  box-sizing: border-box;
}

.account-error {
  margin: 0;
  color: var(--color-danger);
  font-size: var(--font-size-sm);
  display: none;
}

.account-error--visible {
  display: block;
}

.account-version {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Auth (login) */
.auth-page {
  width: 100%;
  min-height: 100%;
  background: var(--color-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: clamp(1rem, 4vw, 2rem);
  box-sizing: border-box;
  overflow: hidden;
}

.auth-form {
  padding: clamp(1.25rem, 5vw, 2.5rem);
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.auth-form .button {
  width: 100%;
  box-sizing: border-box;
  display: flex;
}

.auth-form__title {
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.auth-form__subtitle {
  margin: 0 0 1.5rem;
  line-height: 1.4;
}

.auth-form__input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 0.75rem 1rem;
  margin: 0 0 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

.auth-form__note {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--color-secondary-text);
}


.auth-form__input:focus {
  border-color: var(--color-primary);
  outline: none;
}

/* Material page */
.material-page {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  position: relative;
}

.material-page.app-container {
  max-width: 28rem;
  padding-top: var(--space-lg);
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.material-page__back-button {
  position: fixed;
  top: calc(12px + env(safe-area-inset-top, 0px));
  left: 12px;
  z-index: 20;
  margin: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: auto;
  transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  margin-left: 0;
}

.material-page__back-button:hover {
  background: var(--color-surface-muted);
  box-shadow: var(--shadow-card);
}

.material-page__back-button:active {
  transform: scale(0.98);
}

.material-page__back-button svg {
  width: 20px;
  height: 20px;
  color: var(--color-text);
}

.material-page__cover-wrapper {
  padding: var(--space-2xl) var(--space-lg) var(--space-xl);
  background: transparent;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.material-page__cover {
  width: 200px;
  height: 280px;
  aspect-ratio: auto;
  border-radius: 16px;
  background-size: cover;
  background-position: center;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
  position: relative;
  overflow: hidden;
}

.material-page__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.12), transparent);
  pointer-events: none;
}

.material-page__content {
  padding: 0;
}

.material-download {
  display: block;
  margin: var(--space-lg) 0 0;
}

.material-page__title {
  margin: var(--space-xl) 0 0;
}

.material-page__description {
  margin: var(--space-md) 0 0;
}

.material-page__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}


/* Responsive tweaks */
@media (max-width: 480px) {
  .home-banner {
    margin-bottom: 1.25rem;
  }

  .home-banner__link {
    border-radius: var(--radius-lg);
  }

  .catalog-search {
    padding: 0 0.5rem;
    margin-bottom: 0.5rem;
  }

  .catalog-list {
    padding: 1rem 0.5rem;
  }

  .account-email {
    font-size: var(--font-size-xl);
  }
}

@media (max-width: 380px) {
  .material-page.app-container {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .material-page__cover {
    width: 160px;
    height: 240px;
  }

  .material-page__title {
    font-size: 1.7rem;
  }
}