.presignedUploadContainer {
            background: white;
            border-radius: 20px;
            padding: 10px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            width: 100%;
            text-align: center;
        }

        .presignedUploadTitle {
            color: #333;
            margin-bottom: 30px;
            font-size: 2em;
            font-weight: 600;
        }

        .presignedUploadDropZone {
            border: 3px dashed #ddd;
            border-radius: 15px;
            padding: 40px 20px;
            margin: 10px 0;
            background: #fafafa;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
        }

        .presignedUploadDropZone:hover,
        .presignedUploadDropZone.presignedUploadDragOver {
            border-color: #667eea;
            background: #f0f4ff;
            transform: translateY(-2px);
        }

        .presignedUploadDropZoneContent {
            pointer-events: none;
        }

        .presignedUploadIcon {
            font-size: 48px;
            color: #999;
            margin-bottom: 20px;
            display: block;
        }

        .presignedUploadDropText {
            font-size: 18px;
            color: #666;
            margin-bottom: 10px;
        }

        .presignedUploadFileTypes {
            font-size: 14px;
            color: #999;
        }

        .presignedUploadFileInput {
            display: none;
        }

        .presignedUploadBtn {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 25px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 5px;
            min-width: 150px;
        }

        .presignedUploadBtn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
        }

        .presignedUploadBtn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .presignedUploadProgressContainer {
            margin-top: 20px;
            display: none;
        }

        .presignedUploadProgressBar {
            background: #f0f0f0;
            border-radius: 10px;
            overflow: hidden;
            height: 20px;
        }

        .presignedUploadProgressFill {
            background: linear-gradient(90deg, #667eea, #764ba2);
            height: 100%;
            width: 0%;
            transition: width 0.3s ease;
            border-radius: 10px;
        }

        .presignedUploadProgressText {
            margin-top: 10px;
            font-size: 14px;
            color: #666;
        }

        .presignedUploadResult {
            margin-top: 20px;
            padding: 15px;
            border-radius: 10px;
            display: none;
        }

        .presignedUploadResult.presignedUploadSuccess {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }

        .presignedUploadResult.presignedUploadResults {
            background: #d4edda;
            color: #000;
            border: 1px solid #000;
        }

        .presignedUploadResult.presignedUploadError {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }

        .presignedUploadFileInfo {
            margin-top: 15px;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 10px;
            text-align: left;
            display: none;
        }

        .presignedUploadFileInfo h3 {
            margin-bottom: 10px;
            color: #333;
        }

        .presignedUploadFileDetail {
            display: flex;
            justify-content: space-between;
            margin: 5px 0;
            font-size: 14px;
        }

        .presignedUploadConfigSection {
            margin-top: 30px;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 10px;
            text-align: left;
        }

        .presignedUploadConfigSection h3 {
            margin-bottom: 15px;
            color: #333;
        }

        .presignedUploadConfigInput {
            width: 100%;
            padding: 10px;
            margin: 5px 0;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 14px;
        }

        .presignedUploadConfigLabel {
            display: block;
            margin-top: 10px;
            margin-bottom: 5px;
            font-weight: 500;
            color: #555;
        }