.smart-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.smart-modal[aria-hidden="false"] {
    display: flex;
}

.smart-box {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

#smart-close {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 24px;
    border: none;
    background: none;
    cursor: pointer;
    color: #333;
}

.smart-tabs {
    margin-bottom: 15px;
}

iframe {
    width: 100%;
    height: 400px;
    border: none;
    border-radius: 5px;
}

.smart-share, .smart-customize {
    margin-top: 15px;
}

.smart-share button, .smart-customize button {
    margin-right: 10px;
    padding: 5px 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.customize-options {
    margin-bottom: 10px;
}

.customize-options select, .customize-options input[type="color"] {
    margin-bottom: 10px;
    padding: 5px;
}

.upload-btn {
    display: inline-block;
    padding: 5px 10px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.upload-btn:hover {
    background: #005d87;
}