#afo-tool {
    margin: 20px auto;
}
.afo-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    align-items: flex-start;
}
.afo-left, .afo-right {
    flex: 1;
    min-width: 300px;
}
.frame-thumb {
    width: 80px;
    height: 80px;
    margin: 5px;
    border: 2px solid transparent;
    cursor: pointer;
}
.frame-thumb.selected {
    border-color: #0073aa;
}
#afo-note {
    background: #f5f5f5;
    border: 1px dashed #ccc;
    padding: 10px;
    margin-top: 10px;
    font-size: 14px;
    color: #333;
}
#preview-canvas {
    max-width: 100%;
    height: auto;
    border: 1px solid #ccc;
}