.tn-sp-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.tn-sp-box {
    background: #0a0a0a;
    color: #fff;
    border: 1px solid #39FF14;
    border-radius: 14px;
    max-width: 420px;
    width: 100%;
    padding: 24px 22px 20px;
    position: relative;
    box-shadow: 0 0 30px rgba(57, 255, 20, 0.25);
    font-family: inherit;
}

.tn-sp-box h3 {
    color: #39FF14;
    margin: 0 0 12px;
    font-size: 18px;
    line-height: 1.3;
    padding-right: 24px;
}

.tn-sp-box p {
    color: #f2f2f2;
    font-size: 14.5px;
    line-height: 1.55;
    margin: 0 0 10px;
    white-space: pre-line;
}

.tn-sp-close {
    position: absolute;
    top: 14px;
    right: 16px;
    background: none;
    border: none;
    color: #999;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    padding: 4px;
}

.tn-sp-close:hover {
    color: #fff;
}

.tn-sp-btn {
    display: inline-block;
    margin-top: 8px;
    background: #39FF14;
    color: #000;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    font-size: 14px;
    cursor: pointer;
}

@media (max-width: 480px) {
    .tn-sp-box { padding: 20px 16px 16px; }
}