.auth-page {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
    width: min(100%, 980px);
    gap: 0;
    margin-inline: auto;
}

.auth-page .eyebrow,
.logout-card .eyebrow {
    margin: 0 0 var(--space-2);
    color: var(--color-brand);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.auth-intro,
.auth-card {
    padding: clamp(1.75rem, 5vw, 3.5rem);
}

.auth-intro {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    border-color: #8f2f29;
    border-radius: var(--radius-large) 0 0 var(--radius-large);
    color: #fff;
    background:
        radial-gradient(circle at 100% 0, rgba(255, 255, 255, 0.18), transparent 36%),
        linear-gradient(145deg, #8f2f29, #b53a32);
    box-shadow: var(--shadow-soft);
}

.auth-intro .eyebrow,
.auth-intro p {
    color: rgba(255, 255, 255, 0.86);
}

.auth-intro h1 {
    margin-bottom: var(--space-3);
    color: #fff;
}

.auth-intro__character {
    display: grid;
    width: 5rem;
    height: 5rem;
    place-items: center;
    margin-bottom: var(--space-5);
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    font-family: var(--font-chinese-display);
    font-size: 2.2rem;
}

.auth-benefits {
    display: grid;
    gap: var(--space-3);
    margin: var(--space-4) 0 0;
    padding: 0;
    list-style: none;
}

.auth-benefits li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.auth-benefits i {
    width: 1.25rem;
    text-align: center;
}

.auth-card {
    position: relative;
    z-index: 2;
    margin: var(--space-4) 0;
    border-left: 0;
    border-radius: 0 var(--radius-large) var(--radius-large) 0;
}

.auth-card__heading h2 {
    margin-bottom: var(--space-2);
    font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.auth-card__heading p:last-child {
    color: var(--color-text-muted);
}

.auth-card a,
.auth-field a {
    color: var(--color-brand-hover);
    font-weight: 700;
}

.auth-form {
    display: grid;
    gap: var(--space-4);
}

.auth-field {
    display: grid;
    gap: var(--space-2);
}

.auth-field label {
    font-size: 0.9rem;
    font-weight: 700;
}

.auth-field input:not([type="checkbox"]) {
    width: 100%;
    min-height: 48px;
}

.auth-field input:focus {
    border-color: var(--color-brand);
    outline: 3px solid rgba(181, 58, 50, 0.14);
}

.auth-field--checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.auth-field--checkbox input {
    width: 1rem;
    height: 1rem;
    min-height: 0;
    accent-color: var(--color-brand);
}

.auth-field small,
.auth-terms {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    line-height: 1.5;
}

.social-login {
    display: grid;
    gap: var(--space-3);
    margin: var(--space-4) 0;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-muted);
    font-size: 0.78rem;
    text-align: center;
}

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

.auth-divider span {
    flex: 0 0 auto;
}

.social-login__button {
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: 0.7rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    color: var(--color-text) !important;
    background: var(--color-surface);
    font-weight: 700;
    text-decoration: none;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.social-login__button:hover {
    border-color: var(--color-brand);
    box-shadow: var(--shadow-soft);
    transform: translateY(-1px);
}

.social-login__google-icon {
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    object-fit: contain;
}

.auth-field small ul {
    margin: 0;
    padding-left: var(--space-4);
}

.auth-alert,
.auth-error {
    color: #a3342e;
    background: #fff1ef;
}

.auth-alert {
    padding: var(--space-3);
    border: 1px solid #e3a6a0;
    border-radius: var(--radius-small);
}

.auth-alert ul {
    margin: 0;
    padding-left: var(--space-4);
}

.auth-error {
    display: flex;
    gap: var(--space-2);
    margin: 0;
    font-size: 0.82rem;
    font-weight: 700;
}

.auth-field.has-error input {
    border-color: #c95850;
    background: #fff8f7;
}

.auth-submit {
    display: flex;
    width: 100%;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.auth-terms {
    margin: var(--space-4) 0 0;
    text-align: center;
}

.logout-card {
    display: grid;
    width: min(100%, 560px);
    justify-items: center;
    margin-inline: auto;
    padding: clamp(2rem, 6vw, 4rem);
    text-align: center;
    gap: 0;
}

.logout-card__icon {
    display: grid;
    width: 4.5rem;
    height: 4.5rem;
    place-items: center;
    margin-bottom: var(--space-4);
    border-radius: 50%;
    color: var(--color-brand-hover);
    background: var(--color-brand-soft);
    font-size: 1.5rem;
}

.logout-card > p:not(.eyebrow) {
    max-width: 44ch;
    color: var(--color-text-muted);
}

.logout-card form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
    width: 100%;
    margin-top: var(--space-3);
}

.logout-card form .btn {
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-status-card {
    display: grid;
    width: min(100%, 580px);
    justify-items: center;
    margin-inline: auto;
    padding: clamp(2rem, 6vw, 4rem);
    text-align: center;
    gap: 0;
}

.auth-status-card__icon {
    display: grid;
    width: 4.5rem;
    height: 4.5rem;
    place-items: center;
    margin-bottom: var(--space-4);
    border-radius: 50%;
    color: #385b8f;
    background: #eaf1fb;
    font-size: 1.45rem;
}

.auth-status-card__icon--success {
    color: var(--color-success);
    background: var(--color-success-soft);
}

.auth-status-card__icon--error {
    color: #a3342e;
    background: #fff1ef;
}

.auth-status-card__icon--google {
    border: 1px solid #747775;
    background: #fff;
}

.auth-status-card__google-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.auth-status-card > p:not(.eyebrow) {
    max-width: 48ch;
    color: var(--color-text-muted);
}

.auth-status-card .auth-form {
    width: min(100%, 420px);
    margin: var(--space-3) 0;
    text-align: left;
}

.auth-status-card > form:not(.auth-form) {
    width: min(100%, 320px);
}

.auth-status-card > form:not(.auth-form) .btn,
.auth-status-card > .btn {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: center;
}

.auth-status-card__back {
    margin-top: var(--space-3);
    color: var(--color-brand-hover);
    font-weight: 700;
}

@media (max-width: 760px) {
    .auth-page {
        grid-template-columns: 1fr;
    }

    .auth-intro {
        border-radius: var(--radius-large) var(--radius-large) 0 0;
    }

    .auth-intro__character,
    .auth-benefits {
        display: none;
    }

    .auth-card {
        margin: 0;
        border-top: 0;
        border-left: 1px solid var(--color-border);
        border-radius: 0 0 var(--radius-large) var(--radius-large);
    }
}

@media (max-width: 480px) {
    .auth-intro,
    .auth-card,
    .logout-card {
        padding: var(--space-5) var(--space-4);
    }

    .auth-intro h1 {
        font-size: 1.7rem;
    }
}