.tdpn-box{
    max-width:520px;
    margin:30px auto;
    padding:25px;
    background:#ffffff;
    border-radius:14px;
    box-shadow:0 10px 30px rgba(0,0,0,.08);
    text-align:center;
    font-family:Arial, sans-serif;
}
.tdpn-box h2{margin-bottom:15px;color:#222;}
.tdpn-box input{
    width:100%;
    padding:14px;
    border-radius:8px;
    border:1px solid #ddd;
}
.tdpn-box button{
    margin-top:12px;
    background:#00c897;
    color:#fff;
    padding:12px 22px;
    border:none;
    border-radius:8px;
    cursor:pointer;
    font-size:16px;
}
.tdpn-loader{
    width:30px;height:30px;
    border:4px solid #eee;
    border-top:4px solid #00c897;
    border-radius:50%;
    margin:15px auto;
    animation:spin 1s linear infinite;
}
@keyframes spin{100%{transform:rotate(360deg);}}
.tdpn-box .btn{
    display:block;
    margin-top:12px;
    padding:12px;
    border-radius:8px;
    text-decoration:none;
    color:#fff;
}
.tdpn-box .mp4{background:#007bff;}
.tdpn-box .mp3{background:#6f42c1;}
.tdpn-ad{
    margin-top:20px;
    padding:10px;
    background:#f2f2f2;
    font-size:13px;
    color:#666;
}
.error{color:red;}