.viewer-box {
    max-width: 1000px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

input {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
}

.btnins {
    margin-top: 10px;
    width: 100%;
    padding: 12px;
    background: #e1306c;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
}

.btnins:hover {
    background: #c0265a;
}

.profile-preview {
    margin-top: 20px;
}

iframe {
    width: 100%;
    height: 800px;
    border-radius: 8px;
    border: none;
}