.zhvp-wrapper {
    display:flex;
    justify-content:center;
    align-items:center;
    min-height:0PX;
}

.zhvp-card {
    background:#fff;
    padding:35px;
    border-radius:15px;
    width:100%;
    max-width:420px;
    text-align:center;
    box-shadow:0 20px 40px rgba(0,0,0,0.3);
    animation:fadeIn 0.5s ease;
}

.zhvp-card h2 {
    margin-bottom:10px;
    font-size:26px;
}

.zhvp-card p {
    color:#666;
    margin-bottom:20px;
}

.zhvp-card input {
    width:100%;
    padding:14px;
    border:1px solid #ddd;
    border-radius:10px;
    margin-bottom:15px;
    font-size:16px;
}

.zhvp-card button {
    width:100%;
    padding:14px;
    background:#000;
    color:#fff;
    border:none;
    border-radius:10px;
    font-size:16px;
    cursor:pointer;
}

.zhvp-card button:hover {
    background:#444;
}

#zhvp_loader {
    margin-top:15px;
    color:#888;
}

#zhvp_result {
    margin-top:20px;
    font-weight:bold;
    font-size:16px;
}

/* Result Colors */
.zh-success { color:green; }
.zh-warning { color:orange; }
.zh-error { color:red; }

@keyframes fadeIn {
    from {opacity:0; transform:translateY(10px);}
    to {opacity:1; transform:translateY(0);}
}