.sps-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: spsFadeIn 0.3s ease;
}
.sps-privacy {
    margin-top: 15px;
    font-size: 12px;
    color: #666;
    text-align: center;
}
.sps-popup {
    position: relative;
    background: #fff;
    max-width: 480px;
    width: 90%;
    padding: 30px 35px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: spsSlideIn 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

.sps-popup h3 {
    margin: 0 0 20px;
    font-size: 22px;
    font-weight: 600;
    color: #333;
}

.sps-popup input,
.sps-popup textarea {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 15px;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.sps-popup input:focus,
.sps-popup textarea:focus {
    outline: none;
    border-color: #007cba;
}

.sps-popup input[readonly] {
    background: #ffffff;
    color: #007cba;
    font-weight: 600;
    text-transform: uppercase;
    border: none;
    font-size: 18px;
	text-align: center;
}

.sps-popup textarea {
    min-height: 100px;
    resize: vertical;
}

.sps-popup button[type="submit"] {
    width: 100%;
    padding: 12px;
    background: #007cba;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.sps-popup button[type="submit"]:hover {
    background: #005a87;
}

.sps-popup button[type="submit"]:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Response messages */
.sps-response {
    margin-top: 15px;
    padding: 10px;
    border-radius: 4px;
    display: none;
}

.sps-response.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.sps-response.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Animations */
@keyframes spsFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes spsSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Responsive */
@media (max-width: 576px) {
    .sps-popup {
        padding: 20px;
        width: 95%;
    }
    
    .sps-popup h3 {
        font-size: 19px;
    }
    
    .sps-popup input,
    .sps-popup textarea {
        font-size: 14px;
        padding: 10px 12px;
    }
}