.spp-popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--spp-overlay-color, rgba(0,0,0,0.6));
    z-index: 999999;
    align-items: center;
    justify-content: center;
}

.spp-popup-overlay.spp-active {
    display: flex;
}

.spp-popup-box {
    position: relative;
    background: var(--spp-box-bg, #fff);
    color: var(--spp-text-color, #222);
    max-width: 480px;
    width: 90%;
    padding: 30px 25px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.25);
    text-align: center;
    animation: spp-fade-in 0.25s ease-out;
}

@keyframes spp-fade-in {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.spp-popup-title {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 22px;
}

.spp-popup-content {
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.6;
}

.spp-popup-button {
    background: var(--spp-btn-bg, #2271b1);
    color: var(--spp-btn-text, #fff);
    border: none;
    padding: 10px 22px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.spp-popup-button:hover {
    opacity: 0.9;
}

.spp-popup-image-wrap {
    margin-bottom: 15px;
    display: flex;
}

.spp-popup-image-wrap.spp-popup-image-align-left {
    justify-content: flex-start;
}

.spp-popup-image-wrap.spp-popup-image-align-center {
    justify-content: center;
}

.spp-popup-image-wrap.spp-popup-image-align-right {
    justify-content: flex-end;
}

.spp-popup-image {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    display: block;
}

.spp-popup-close {
    position: absolute;
    top: 8px;
    right: 12px;
    background: none;
    border: none;
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
    color: var(--spp-text-color, #222);
}

.spp-popup-close.spp-popup-button {
    position: static;
    font-size: 14px;
}