#onenodes-payment-checking {
    position: fixed;
    inset: 0;
    z-index: 999999;

    display: none;

    align-items: center;
    justify-content: center;

    background: rgba(255, 255, 255, 0.92);
}

#onenodes-payment-checking.is-active {
    display: flex;
}

.onenodes-payment-checking-box {
    width: min(90%, 420px);

    padding: 32px;

    text-align: center;

    background: #ffffff;

    border-radius: 12px;

    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.onenodes-payment-spinner {
    width: 52px;
    height: 52px;

    margin: 0 auto 20px;

    border: 4px solid #e5e7eb;
    border-top-color: #111827;

    border-radius: 50%;

    animation: onenodes-spin 0.8s linear infinite;
}

.onenodes-payment-title {
    margin: 0 0 8px;

    font-size: 20px;
    font-weight: 600;
}

.onenodes-payment-message {
    margin: 0;

    font-size: 14px;
    line-height: 1.7;

    color: #6b7280;
}

@keyframes onenodes-spin {
    to {
        transform: rotate(360deg);
    }
}