/* ============================================================
   EtqanShop — Internal pages — login.css
   Auth page: two-column layout, brand image panel with glass
   card overlay, auth card with CSS-only Sign In / Create Account
   tabs, password show/hide input wrapper, Google divider.
   No breadcrumb on this page.
   ============================================================ */

/* ============================================================
   Layout — 2-col on desktop, stacked on mobile
   ============================================================ */

.auth-layout {
  display: grid;
  grid-template-columns: 45fr 55fr;
  min-height: calc(100vh - var(--header-height) - var(--space-2xl));
}

@media (max-width: 991.98px) {
  .auth-layout {
    grid-template-columns: 1fr;
    min-height: 0;
  }
}

/* ============================================================
   Brand panel (left) — image + glass card
   ============================================================ */

.auth-brand {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-soft);
  min-height: 480px;
}

.auth-brand__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.auth-brand__glass {
  position: absolute;
  inset-inline: var(--space-xl);
  inset-block-end: var(--space-2xl);
  padding: var(--space-lg) var(--space-xl);
  background: rgba(255, 255, 255, 0.14);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
          backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-xl);
  color: var(--color-text-inverse);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.24);
}

.auth-brand__eyebrow {
  margin: 0 0 var(--space-sm);
  color: var(--color-gold-soft);
}

.auth-brand__line {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-snug);
  color: var(--color-text-inverse);
}

@media (max-width: 991.98px) {
  .auth-brand { display: none; }
}

/* ============================================================
   Auth card (right)
   ============================================================ */

.auth-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-md);
  padding: clamp(32px, 6vw, 64px) clamp(24px, 5vw, 64px);
  max-width: 520px;
  width: 100%;
  margin: 0 auto;
}

.auth-card__logo {
  display: inline-flex;
  margin-bottom: var(--space-md);
}

.auth-card__logo img {
  height: 48px;
  width: auto;
}

.auth-card__footer {
  margin: var(--space-lg) 0 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  text-align: center;
}

.auth-card__footer a {
  color: var(--color-purple);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  border-block-end: 1px dotted currentColor;
}

/* ============================================================
   Tabs — pill-style, CSS-only via :checked sibling
   ============================================================ */

.auth-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  clip: rect(0, 0, 0, 0);
}

.auth-tabs {
  display: inline-flex;
  background: var(--color-bg-soft);
  border-radius: var(--radius-pill);
  padding: 4px;
  margin-bottom: var(--space-lg);
  align-self: flex-start;
}

.auth-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-primary);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background var(--transition-fast),
              color var(--transition-fast);
}

.auth-tab:hover { color: var(--color-text); }

#tab-signin:checked ~ .auth-tabs .auth-tab[data-tab="signin"],
#tab-signup:checked ~ .auth-tabs .auth-tab[data-tab="signup"] {
  background: var(--color-purple);
  color: var(--color-text-inverse);
}

/* Forms — only the active tab's form is shown */
.auth-form { display: none; flex-direction: column; gap: var(--space-md); }

#tab-signin:checked ~ .auth-form--signin,
#tab-signup:checked ~ .auth-form--signup { display: flex; }

.auth-form__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  letter-spacing: var(--ls-snug);
}

.auth-form__sub {
  margin: 0 0 var(--space-sm);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.auth-form__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  font-size: var(--fs-sm);
}

.auth-form__remember {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text);
  cursor: pointer;
}

.auth-form__remember input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-purple);
}

.auth-form__forgot {
  color: var(--color-purple);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.auth-form__forgot:hover { color: var(--color-purple-deep); }

.auth-form__terms {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
  cursor: pointer;
  line-height: var(--lh-base);
}

.auth-form__terms input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-purple);
  margin-top: 2px;
  flex-shrink: 0;
}

.auth-form__terms a {
  color: var(--color-purple);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  border-block-end: 1px dotted currentColor;
}

.auth-form__divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-block: var(--space-md);
}

.auth-form__divider::before,
.auth-form__divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.auth-form__divider span {
  font-family: var(--font-primary);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

.auth-form__google-svg {
  flex-shrink: 0;
  margin-inline-end: var(--space-xs);
}

/* ============================================================
   Password input — text field + show/hide eye button
   ============================================================ */

.password-input {
  position: relative;
  display: flex;
  align-items: stretch;
}

.password-input .form-control {
  flex: 1;
  padding-inline-end: 48px;
}

.password-input__toggle {
  position: absolute;
  inset-inline-end: 4px;
  inset-block: 4px;
  width: 40px;
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--color-text-muted);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--fs-md);
  transition: color var(--transition-fast),
              background var(--transition-fast);
}

/* Validation — match login inline red errors */
.auth-form .field-validation-error,
.auth-form .validation-summary-errors,
.auth-form .validation-summary-errors li,
.auth-form .text-danger,
.auth-form [data-valmsg-for] {
  color: #dc3545;
  font-size: var(--fs-sm);
  display: block;
  margin-top: 4px;
}

.auth-form .alert-danger {
  color: #dc3545;
  background: #f8d7da;
  border: 1px solid #f5c2c7;
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--fs-sm);
}

.auth-form .input-validation-error {
  border-color: #dc3545 !important;
}

.password-input__toggle:hover,
.password-input__toggle:focus-visible {
  color: var(--color-purple);
  background: var(--color-bg-soft);
}