.sps-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
}

.sps-popup {
    background: #fff;
    width: 90%;
    max-width: 420px;
    padding: 25px;
    border-radius: 10px;
    position: relative;
}

.sps-close {
    position: absolute;
    top: 10px;
    right: 12px;
    cursor: pointer;
    font-size: 22px;
}

.sps-form input,
.sps-form textarea {
    width: 100%;
    margin-bottom: 10px;
    padding: 10px;
}

.sps-btn {
    padding: 10px 16px;
    cursor: pointer;
}