#customize-btn {
    background: black;
    color: white;
    padding: 10px;
    border: none;
    cursor: pointer;
}

#customizer-overlay {
    display: none;
    position: fixed;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    top: 0;
    left: 0;
    z-index: 9998;
}

#customizer-popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 20px;
    z-index: 9999;
    width: 350px;
}

#custom-canvas {
    border: 1px solid #ccc;
    margin: 10px 0;
}

#save-design {
    background: green;
    color: white;
    padding: 10px;
    border: none;
    width: 100%;
}