.sf-page--auth {
  padding: var(--space-4) var(--space-2) var(--space-6);
  background: var(--color-bg);
}

.auth-page {
  min-height: max(30rem, calc(100vh - var(--header-height) - var(--space-6)));
  display: grid;
  place-items: start center;
}

.auth-card {
  width: min(100%, 34rem);
  padding: clamp(var(--space-3), 4vw, var(--space-5));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  display: grid;
  gap: var(--space-3);
}

.auth-card__header {
  display: grid;
  gap: var(--space-1);
}

.auth-card__eyebrow {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-metal);
}

.auth-card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 8.2vw, 2.85rem);
  line-height: 1;
  color: var(--color-charcoal);
}

.auth-card__subtitle {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: var(--line-height-base);
  color: var(--color-text-secondary);
}

.auth-status {
  margin: 0;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 0.75rem;
  line-height: 1.45;
}

.auth-status--error {
  border-color: var(--color-error);
  color: var(--color-error);
  background: var(--color-shell-surface-strong);
}

.auth-status--success {
  border-color: var(--color-success);
  color: var(--color-success);
  background: var(--color-shell-surface-strong);
}

.auth-form {
  display: grid;
  gap: var(--space-3);
}

.auth-form--otp {
  gap: var(--space-2);
}

.auth-field {
  display: grid;
  gap: 0.45rem;
}

.auth-field__label,
.auth-field__meta,
.auth-field__error,
.auth-legal-copy {
  font-family: var(--font-body);
  font-size: 0.75rem;
}

.auth-field__label {
  color: var(--color-charcoal);
}

.auth-field__control {
  position: relative;
}

.auth-field__input {
  width: 100%;
  min-height: 2.75rem;
  margin: 0;
  padding: 0.7rem 0;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--color-charcoal);
  font-family: var(--font-body);
  font-size: 1rem;
}

.auth-field__control--password .auth-field__input {
  padding-right: 3.25rem;
}

.auth-field__input::placeholder {
  color: var(--color-taupe);
}

.auth-field__input:hover {
  border-bottom-color: var(--color-sand);
}

.auth-field__input:focus,
.auth-field__input:focus-visible {
  border-bottom-color: var(--color-espresso);
  box-shadow: 0 1px 0 0 var(--color-espresso);
  outline: none;
}

.auth-field__input--otp {
  min-height: 3.75rem;
  padding: 0.75rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-shell-surface-strong);
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 8vw, 2.25rem);
  font-weight: 700;
  letter-spacing: 0.42em;
  text-align: center;
}

.auth-field__input--otp:focus,
.auth-field__input--otp:focus-visible {
  border-color: var(--color-espresso);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-espresso) 16%, transparent);
}

.auth-field.is-invalid .auth-field__input {
  border-bottom-color: var(--color-error);
  box-shadow: 0 1px 0 0 var(--color-error);
}

.auth-field__toggle {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: var(--color-espresso);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  min-width: 2.25rem;
  min-height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.auth-field__toggle:hover,
.auth-field__toggle:focus-visible {
  opacity: 0.85;
  outline: none;
}

.auth-field__meta {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.45;
}

.auth-field__error {
  min-height: 1rem;
  margin: 0;
  color: var(--color-error);
  line-height: 1.35;
}

.auth-button {
  min-height: 2.875rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: opacity var(--transition-base);
}

.auth-button:hover,
.auth-button:focus-visible {
  opacity: 0.9;
  outline: none;
}

.auth-button--primary {
  width: 100%;
  background: var(--color-espresso);
  border-color: var(--color-espresso);
  color: var(--color-white);
}

.auth-button--secondary {
  width: 100%;
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-charcoal);
}

.auth-button--compact {
  width: auto;
  min-height: 2.35rem;
  padding: 0.55rem 0.95rem;
  font-size: 0.8125rem;
}

.auth-button--ghost {
  width: auto;
  min-height: 2.35rem;
  padding: 0.55rem 0.95rem;
  background: var(--color-shell-surface-strong);
  border-color: transparent;
  color: var(--color-text-secondary);
}

.auth-button--ghost:hover,
.auth-button--ghost:focus-visible {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-charcoal);
}

.auth-button:disabled,
.auth-button[disabled],
.auth-button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
}

.auth-otp-panel {
  display: grid;
  gap: var(--space-3);
}

.auth-otp-panel__summary {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-shell-surface-strong);
}

.auth-otp-panel__icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-sand);
  color: var(--color-espresso);
}

.auth-otp-panel__icon .material-icons {
  font-size: 1.35rem;
}

.auth-otp-panel__label,
.auth-otp-panel__email,
.auth-otp-panel__timer {
  margin: 0;
  font-family: var(--font-body);
}

.auth-otp-panel__label {
  font-size: 0.72rem;
  color: var(--color-text-secondary);
}

.auth-otp-panel__email {
  margin-top: 0.15rem;
  color: var(--color-charcoal);
  font-size: 0.95rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.auth-otp-panel__actions {
  display: grid;
  gap: 0.45rem;
  justify-items: start;
  padding-top: var(--space-1);
}

.auth-otp-panel__actions form,
.auth-otp-panel__edit-form {
  margin: 0;
}

.auth-otp-panel__timer {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
}

.auth-otp-panel__edit-form {
  display: flex;
  justify-content: center;
  padding-top: var(--space-1);
}

.auth-link {
  color: var(--color-espresso);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.auth-link:hover,
.auth-link:focus-visible {
  color: var(--color-charcoal);
  outline: none;
}

.auth-legal-copy {
  margin: 0;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.auth-card__footer {
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
  display: grid;
  gap: var(--space-2);
}

.auth-card__footer-copy {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

@media (min-width: 768px) {
  .sf-page--auth {
    padding-top: var(--space-5);
    padding-bottom: var(--space-7);
  }

  .auth-card {
    gap: var(--space-4);
  }

  .auth-otp-panel__actions {
    grid-template-columns: auto 1fr;
    align-items: center;
  }
}