/* ファイル名のはみ出し問題を確実に修正 */
#fileName {
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    max-width: 100% !important;
    display: block !important;
}

#filePreview {
    max-width: 100% !important;
    overflow: hidden !important;
}

#filePreview .flex-1 {
    min-width: 0 !important;
    overflow: hidden !important;
}