.auth-modal-mask {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.52);
    backdrop-filter: blur(5px);
    padding: 20px;
}

.auth-modal {
    width: min(760px, 100%);
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) 230px;
    gap: 22px;
    background: #fff;
    border: 1px solid #d8dee9;
    border-radius: 10px;
    box-shadow: 0 26px 80px rgba(15, 23, 42, 0.28);
    padding: 26px;
    color: #111827;
}

.auth-modal h2 {
    margin: 0 0 10px;
    font-size: 24px;
    line-height: 1.25;
    letter-spacing: 0;
}

.auth-modal p {
    margin: 0;
    color: #475569;
    line-height: 1.75;
    font-size: 14px;
}

.auth-benefits {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 18px 0;
}

.auth-benefit {
    border: 1px solid #e5eaf1;
    border-radius: 8px;
    padding: 10px 12px;
    background: #f8fafc;
    font-size: 13px;
    color: #334155;
}

.auth-input-row {
    display: flex;
    gap: 10px;
    margin-top: 14px;
}

.auth-input-row input {
    flex: 1;
    min-width: 0;
    height: 42px;
    border: 1px solid #cbd5e1;
    border-radius: 7px;
    padding: 0 12px;
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
}

.auth-input-row input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.auth-primary-btn,
.auth-secondary-btn {
    height: 42px;
    border-radius: 7px;
    padding: 0 16px;
    font-weight: 800;
    cursor: pointer;
}

.auth-primary-btn {
    border: 0;
    background: #111827;
    color: #fff;
}

.auth-secondary-btn {
    border: 1px solid #cbd5e1;
    background: #fff;
    color: #334155;
}

.auth-message {
    min-height: 20px;
    margin-top: 10px;
    color: #b91c1c;
    font-size: 13px;
    font-weight: 700;
}

.auth-qr-card {
    border: 1px solid #e5eaf1;
    border-radius: 9px;
    padding: 14px;
    background: #f8fafc;
    text-align: center;
}

.auth-qr-card img {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    background: #fff;
    border-radius: 6px;
}

.auth-qr-card strong {
    display: block;
    margin-top: 10px;
    font-size: 15px;
}

.auth-qr-card span {
    display: block;
    margin-top: 4px;
    color: #64748b;
    font-size: 12px;
}

@media (max-width: 700px) {
    .auth-modal {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .auth-benefits {
        grid-template-columns: 1fr;
    }

    .auth-input-row {
        flex-direction: column;
    }

    .auth-qr-card {
        max-width: 260px;
        margin: 0 auto;
    }
}