.slvf-popup-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.55);
}

.slvf-popup-overlay.is-hidden {
    display: none;
}

.slvf-popup-box {
    position: relative;
    width: min(100%, 520px);
    padding: 32px;
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    text-align: center;
    animation: slvfPopupEnter 0.25s ease-out;
}

.slvf-popup-title {
    margin: 0 0 14px;
    font-size: 28px;
    line-height: 1.2;
}

.slvf-popup-message {
    margin-bottom: 24px;
    line-height: 1.6;
}

.slvf-popup-button {
    border-radius: 999px;
    font-size: var(--font-size-base);
    display: inline-block;
    padding: 8px 16px;
    background-color: white;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
}

.slvf-popup-close {
    position: absolute;
    top: 12px;
    right: 14px;
    border: 0;
    background: transparent;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
}

@keyframes slvfPopupEnter {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}