.auth-main {
    min-height: 100vh;
    padding-top: 7rem;
    justify-content: center;
}

.auth-shell {
    width: 100%;
    max-width: 68rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    align-items: stretch;
    padding-bottom: 2.5rem;
}

.auth-panel,
.login-card {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.25rem;
    background: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.auth-panel:hover,
.login-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.auth-panel {
    padding: 1.6rem 1.3rem;
}

.auth-panel-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 700;
    color: #9CA3AF;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
}

.auth-title {
    margin-top: 1rem;
    font-size: 1.75rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.auth-copy {
    margin-top: 1rem;
    font-size: 0.98rem;
    color: var(--color-text-secondary);
    max-width: 36ch;
}

.auth-points {
    margin-top: 1.25rem;
    display: grid;
    gap: 0.6rem;
}

.auth-point {
    list-style: none;
    font-size: 0.9rem;
    color: #D4D4D8;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 0.8rem;
    padding: 0.6rem 0.75rem;
}

.login-card {
    width: 100%;
    max-width: 100%;
    padding: 1.75rem 1.3rem;
    text-align: center;
}

.login-card-logo {
    width: 2.5rem;
    height: 2.5rem;
    display: block;
    margin: 0 auto 1rem;
}

.login-eyebrow {
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-tertiary);
    font-weight: 700;
}

.login-title {
    margin-top: 0.4rem;
    font-size: 1.55rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.login-subtitle {
    margin-top: 0.6rem;
    margin-bottom: 1.1rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.google-button-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
    min-height: 44px;
}

.auth-status {
    min-height: 1.35rem;
    margin-top: 0.85rem;
    font-size: 0.84rem;
    color: var(--color-text-secondary);
}

.auth-error {
    min-height: 1.35rem;
    margin-top: 0.15rem;
    font-size: 0.84rem;
    color: #FCA5A5;
}

.google-button-wrap > div {
    width: 100%;
    display: flex;
    justify-content: center;
}

@media (min-width: 900px) {
    .auth-shell {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
        gap: 1.1rem;
    }

    .auth-panel,
    .login-card {
        min-height: 26rem;
    }

    .auth-panel {
        padding: 2rem;
    }

    .login-card {
        padding: 2rem 1.6rem;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
}