/*
 * Auth page styles.
 *
 * Modern, centered card layout for authentication pages. Subtle gradient background,
 * generous spacing, and a clean card design that feels welcoming on a social platform.
 */

/* --- Shell: full-viewport centered layout --------------------------------------------------- */

.auth-body {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--colour-surface-sunken) 0%, var(--colour-primary-surface) 100%);
    padding: var(--space-5);
}

.auth-shell {
    width: 100%;
    max-width: 28rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-5);
}

.auth-shell__brand {
    text-align: center;
}

.auth-shell__main {
    width: 100%;
}

.auth-shell__footer {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    align-items: center;
}

/* --- Brand mark ------------------------------------------------------------------------------ */

.auth-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--colour-ink);
}

.auth-brand__logo {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
}

.auth-brand__name {
    font-weight: var(--weight-bold);
    font-size: var(--text-xl);
    color: var(--colour-ink);
}

/* --- Card ------------------------------------------------------------------------------------ */

.auth-card {
    background: var(--colour-surface);
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
}

.auth-card__heading {
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    line-height: var(--leading-tight);
    margin: 0 0 var(--space-2);
    color: var(--colour-ink);
}

.auth-card__intro {
    color: var(--colour-ink-quiet);
    margin: 0 0 var(--space-5);
    line-height: var(--leading-body);
    font-size: var(--text-sm);
}

.auth-card__hint {
    color: var(--colour-ink-quiet);
    font-size: var(--text-sm);
    margin: 0 0 var(--space-4);
}

.auth-card__footer {
    text-align: center;
    margin-top: var(--space-5);
    font-size: var(--text-sm);
    color: var(--colour-ink-quiet);
}

.auth-card__links {
    text-align: center;
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--colour-border);
}

.auth-card__link {
    color: var(--colour-primary);
    text-decoration: none;
    font-weight: var(--weight-medium);
}

.auth-card__link:hover {
    color: var(--colour-primary-hover);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.auth-card__link:focus-visible {
    outline: var(--focus-width) solid var(--colour-focus);
    outline-offset: var(--focus-offset);
    border-radius: var(--radius-sm);
}

/* --- Form inside the card -------------------------------------------------------------------- */

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* --- Footer copy ----------------------------------------------------------------------------- */

.auth-footer__copy {
    font-size: var(--text-xs);
    color: var(--colour-ink-quiet);
    margin: 0;
}

/* --- Responsive: tighter padding on small screens -------------------------------------------- */

@media (max-width: 480px) {
    .auth-card {
        padding: var(--space-5);
        border-radius: var(--radius-lg);
    }

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