.upload-area {
            border: 2px dashed #cbd5e1;
            border-radius: 16px;
            background: #fefefe;
            transition: all 0.2s ease;
            cursor: pointer;
            text-align: center;
            padding: 2.5rem 1rem;
        }
        .upload-area:hover, .upload-area.drag-over {
            border-color: var(--primary-color);
            background-color: rgba(13, 110, 253, 0.03);
        }
        .image-preview-list {
            max-height: 420px;
            overflow-y: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            background: #fff;
            padding: 0.5rem;
        }
        .image-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: white;
            border: 1px solid #e9ecef;
            border-radius: 12px;
            padding: 10px;
            margin-bottom: 10px;
            transition: 0.1s;
        }
        .image-thumb {
            width: 64px;
            height: 64px;
            object-fit: cover;
            border-radius: 8px;
            background: #f1f5f9;
            border: 1px solid #e2e8f0;
        }
        .image-info {
            flex: 1;
            font-size: 0.85rem;
            overflow: hidden;
        }
        .image-name {
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .image-dimensions {
            font-size: 0.7rem;
            color: #6c757d;
        }
        .image-actions {
            display: flex;
            gap: 6px;
        }
        .btn-icon {
            background: none;
            border: none;
            color: #6c757d;
            transition: 0.1s;
        }
        .btn-icon:hover {
            color: #0d6efd;
        }
        .badge-page {
            background: #e9ecef;
            color: #1e293b;
            font-weight: normal;
        }
        .pdf-option-card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.2rem;
            height: 100%;
        }
        .result-badge {
            background: #e6f7e6;
            color: #2e7d32;
            border-radius: 40px;
            padding: 0.3rem 1rem;
            font-size: 0.85rem;
            font-weight: 500;
        }
        .footer-note {
            font-size: 0.85rem;
            background: #f1f5f9;
            border-radius: 16px;
            padding: 1rem;
        }
        .sort-handle {
            cursor: grab;
            color: #94a3b8;
        }
        .sort-handle:active {
            cursor: grabbing;
        }
        .progress-pdf {
            height: 6px;
            border-radius: 10px;
        }