        .hidden {
            display: none !important;
        }
        
        svg {
             fill: none;
        }
        
        body {
            overflow-x: hidden;
        }
        
        body.download-active {
            height: calc(100vh - 81px);
            overflow-y: visible;
        }

        .container {
            background-color: transparent;
            box-sizing: border-box;
            padding: 20px;
            border-radius: 16px;
            max-width: 1900px;              
            width: 100%;
            margin: 0 auto 10px auto;     
            overflow: visible;             
        }
        
        /* Add spinner styles */
        .button-spinner {
            display: inline-block;
            width: 14px;
            height: 14px;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: 50%;
            border-top-color: #ff6154;
            animation: spin 0.6s linear infinite;
            margin-right: 8px;
            vertical-align: middle;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        #progress-container {
            display: none !important;
        }
        
        #reorder-instructions {
            font-size: 14px;
            font-weight: 500;
            color: #4a5568; 
            background: #cccccc20; 
            border: none;
            max-width: 570px;
            padding: 10px 16px;
            justify-content: center;
            border-radius: 8px;
            display: flex;
            margin: 15px auto;
            text-align: center;
            transition: all 0.3s ease;
        }

        #reorder-instructions:hover {
        }
        
/* Download result screen */
.download-screen {
    display: none;
    padding: 0;
    max-width: 100%;
    margin: 0;
    min-height: calc(100vh - 81px);
    background: #f8f9fa;
}

.download-screen.active {
    display: block;
}

/* Download content layout */
.download-content {
    display: flex;
    width: 100%;
    min-height: calc(100vh - 81px);
}

/* Left side - PDF Preview (scrollable) */
.pdf-preview-section {
    flex: 1;
    background: #f8f9fa;
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-y: auto;
    margin-right: 450px; /* Account for fixed panel width */
    height: calc(100vh - 81px);
    margin-right: 450px;
    box-sizing: border-box;
}

.preview-canvas-container {
    width: 100%;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    overflow: visible;
    margin-bottom: 20px;
    max-width: 700px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.preview-page-wrapper {
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    position: relative;
}

.preview-page-wrapper canvas {
    width: 100%;
    height: auto;
    display: block;
}

.page-number-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 10;
}

#download-preview-canvas {
    width: 100%;
    height: auto;
    display: block;
    max-width: 100%;
}

.preview-controls {
    display: none; /* Hidden on desktop by default */
    align-items: center;
    gap: 16px;
    margin-top: 8px;
}

/* Show controls on mobile */
@media (max-width: 768px) {
    .preview-canvas-container {
        gap: 0;
    }
    
    .preview-page-wrapper {
        display: none; /* Hide all pages by default on mobile */
    }
    
    .preview-page-wrapper.active {
        display: block; /* Show only active page on mobile */
    }
    
    .page-number-badge {
        display: none; /* Hide page badges on mobile */
    }
    
    .preview-controls {
        display: flex; /* Show controls on mobile */
    }
}

.preview-controls button {
    padding: 10px 18px;
    font-size: 0.9rem;
    background: white;
    border: 2px solid #e5e7eb;
    color: #374151;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
}

.preview-controls button svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
}

.preview-controls button:hover:not(:disabled) {
    border-color: #ff6154;
    background: #fff5f4;
    color: #ff6154;
}

.preview-controls button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    border-color: #e5e7eb;
    background: #f9fafb;
}

.preview-page-info {
    color: #374151;
    font-size: 0.95rem;
    font-weight: 600;
    min-width: 60px;
    text-align: center;
}

/* Right side - Actions (Fixed Panel) */
.download-actions-section {
    position: fixed;
    right: 0;
    top: 80;
    width: 450px;
    height: calc(100vh - 81px);
    background: white;
    border-left: 2px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    padding: 40px 32px;
    overflow-y: auto;
    box-sizing: border-box;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.06);
}

/* File preview card */
.file-preview-card {
    background: #f8f9fa;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    padding: 20px;
    margin-top: 60px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.file-preview-icon {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.file-preview-icon svg {
    width: 28px;
    height: 28px;
    stroke: #ff6154;
    fill: none;
}

.file-preview-details {
    flex: 1;
    text-align: left;
    min-width: 0;
}

.file-preview-name {
    font-size: 1rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-preview-info {
    font-size: 0.875rem;
    color: #6b7280;
}

.file-status-badge {
    background: #10b981;
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.file-status-badge svg {
    width: 16px;
    height: 16px;
    stroke: white;
    fill: none;
}

/* Download button container */
.download-button-group {
    display: flex;
    gap: 0;
    margin-bottom: 16px;
}

/* Primary download button */
.download-primary {
    flex: 1;
    padding: 16px 32px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: #ff6154;
    color: white;
    border: none;
    border-radius: 12px 0 0 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.download-primary:hover {
    background: #e5554a;
}

.download-primary svg {
    width: 20px;
    height: 20px;
    stroke: white;
    fill: none;
}

/* Dropdown trigger button */
.download-dropdown-btn {
    padding: 16px 20px;
    background-color: #ff6154;
    color: white;
    border: none;
    border-radius: 0 12px 12px 0;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.3);
}

.download-dropdown-btn:hover {
    background: #e5554a;
}

.download-dropdown-btn svg {
    width: 24px;
    height: 24px;
    stroke: white;
    fill: none;
}

/* Dropdown menu */
.download-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 1000;
    min-width: 240px;
    margin-top: 8px;
    overflow: hidden;
}

.download-dropdown-menu.active {
    display: block;
}

.download-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    color: #374151;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-weight: 500;
    border-bottom: 1px solid #f3f4f6;
}

.download-dropdown-item:last-child {
    border-bottom: none;
}

.download-dropdown-item:hover {
    background: #f8f9fa;
}

.download-dropdown-item svg {
    width: 20px;
    height: 20px;
    stroke: #6b7280;
    fill: none;
    flex-shrink: 0;
}

.download-dropdown-item:hover svg {
    stroke: #ff6154;
}

.download-dropdown-item-label {
    flex: 1;
}

.download-dropdown-item-label > div:first-child {
    color: #374151;
    font-weight: 500;
    margin-bottom: 2px;
}

.download-dropdown-item:hover .download-dropdown-item-label > div:first-child {
    color: #ff6154;
}

.download-dropdown-item-sublabel {
    font-size: 0.8rem;
    color: #9ca3af;
}

/* Export As single button with dropdown */
.export-button-wrapper {
    position: relative;
}

.export-button {
    width: 100%;
    padding: 14px 20px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f7f8f9;
    color: #6b7280;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    margin-top: -20px;
    margin-bottom: 10px;
}

.export-button:hover {
    background: #f8f9fa;
    border-color: #d1d5db;
}

.export-button-content {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #6b7280;
    justify-content: center;
}

.export-button svg {
    width: 24px;
    height: 24px;
    stroke: #6b7280;
    fill: none;
}

.export-button-arrow {
    width: 16px;
    height: 16px;
    stroke: #9ca3af;
    transition: transform 0.2s ease;
    margin-left: 0;
}

.export-button-wrapper:hover .export-button-arrow {
    stroke: #6b7280;
}

/* Export dropdown menu */
.export-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 1000;
    margin-top: 8px;
    overflow: hidden;
}

.export-dropdown-menu.active {
    display: block;
}

.export-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    color: #374151;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-weight: 500;
    border-bottom: 1px solid #f3f4f6;
}

.export-dropdown-item:last-child {
    border-bottom: none;
}

.export-dropdown-item:hover {
    background: #f8f9fa;
}

.export-dropdown-item svg {
    width: 22px;
    height: 22px;
    stroke: #6b7280;
    fill: none;
    flex-shrink: 0;
}

.export-dropdown-item:hover svg {
    stroke: #ff6154;
}

.export-dropdown-item-label {
    flex: 1;
}

.export-dropdown-item-label > div:first-child {
    color: #374151;
    font-weight: 600;
    margin-bottom: 3px;
    font-size: 0.95rem;
}

.export-dropdown-item:hover .export-dropdown-item-label > div:first-child {
    color: #ff6154;
}

.export-dropdown-item-sublabel {
    font-size: 0.8rem;
    color: #9ca3af;
    font-weight: 400;
}

/* Action buttons - Icon only, horizontal layout */
.action-buttons-grid {
    display: flex;
    gap: 10px;
    justify-content: flex-start;
    margin-bottom: 10px;
}

.action-button {
    background: #f7f8f9 ;
    border: none;
    color: #374151;
    padding: 12px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    flex: 1;
}

/* Make share button larger */
#share-action {
    flex: 2;
}

/* Keep print and delete buttons smaller and equal */
#print-action,
#delete-action {
    flex: 1;
}

.action-button:hover {
    border-color: #ff6154;
    background: #fff5f4;
}

.action-button svg {
    width: 24px;
    height: 24px;
    stroke: #6b7280;
    fill: none;
}

.action-button:hover svg {
    stroke: #ff6154;
}

.action-button-text {
    display: none;
}

.action-button-icon {
    display: none;
}

.download-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: #ff6154;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-icon svg {
    width: 40px;
    height: 40px;
    stroke: white;
    fill: none;
}

.download-screen h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
    color: #1f2937;
}

.download-screen p {
    font-size: 1rem;
    color: #6b7280;
    margin-bottom: 32px;
    margin-top: -20px;
}

.download-button {
    padding: 16px 48px;
    font-size: 1.1rem;
    display: inline-block;
}

.merge-another {
    background: transparent;
    color: #ff6154;
    border: 2px solid #ff6154;
    width: 100%;
    padding: 14px 32px;
}

.merge-another:hover {
    background: #fff5f4;
    box-shadow: 0 4px 12px rgba(255, 97, 84, 0.2);
}

/* Hide elements when showing download screen */
.content-hidden {
    display: none !important;
}

/* Back button */
.back-button {
    background: transparent;
    color: #6b7280;
    border: none;
    padding: 12px 20px;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-weight: 500;
    position: absolute;
    margin-top: -10px;
    left: 10px;
}

.back-button:hover {
    background: none;
    color: #ff6154;
    box-shadow: none;
    transform: translateX(-2px);
    border-radius: 8px;
}

.back-button svg {
    width: 18px;
    height: 18px;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    .download-actions-section {
        width: 360px;
        padding: 32px 24px;
    }
    
    .pdf-preview-section {
        padding: 40px 20px 40px 40px;
        margin-right: 360px;
    }
}

@media (max-width: 968px) {
    .download-screen {
        position: relative;
        height: auto;
        min-height: calc(100vh - 81px);
    }
    
    .download-content {
        flex-direction: column;
        height: auto;
        min-height: calc(100vh - 81px);
    }
    
    .download-actions-section {
        position: relative;
        width: 100%;
        height: auto;
        border-left: none;
        border-top: 2px solid #e5e7eb;
        box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.06);
    }
    
    .pdf-preview-section {
        margin-right: 0;
        padding: 100px 20px 20px 20px;
        height: auto;
        min-height: 50vh;
    }
    
    .back-button {
        top: 20px;
        left: 20px;
    }
}

@media (max-width: 768px) {
    .file-preview-card {
        padding: 16px;
    }
    
    .pdf-preview-section {
        padding: 80px 16px 16px 16px;
    }
    
    .download-actions-section {
        padding: 24px 16px;
    }
    
    .back-button {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
}

.download-buttons-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}


        .upload-area {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 1.5rem;
            gap: 12px;                    
            flex-wrap: wrap;              
        }

        .file-input-label {
            display: inline-block;
            padding: 16px 48px;
            background-color: #ff6154;
            color: white;
            border-radius: 12px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            text-align: center;
            flex-shrink: 0;              
        }


        .file-input-label:hover {
            background: #e5554a;
            box-shadow: 0 4px 12px rgba(255, 97, 84, 0.4);
            transform: translateY(-1px);
        }
      
        #upload-label.drag-over {
            background-color: #e5554a;
            transform: scale(1.05);
        }

        #upload-label {
           outline: none;
        }

        .upload-content {
            text-align: center;
        }

        .upload-icon {
            display: none;
        }

        .upload-text {
            font-size: 1.1rem;
            font-weight: 600;
            color: white;
            margin: 0;
        }

        .upload-subtext {
            display: none;
        }

        input[type="file"] {
            display: none;
        }
        
        #file-list {
            margin-top: 1.5rem;
            margin-bottom: 1rem;
            width: 100%;
            justify-self: center;
            max-width: 100%;
            display: grid;
            gap: 12px;
            transition: all 0.3s ease;
            box-sizing: border-box;        
        }


        #file-list.columns-1 {
            grid-template-columns: 1fr;
            max-width: 600px;
            margin: 1.5rem auto 1rem auto;  
        }

        #file-list.columns-2 {
            grid-template-columns: repeat(2, minmax(0, 1fr));  
            max-width: 1100px;
            margin: 1.5rem auto 1rem auto;
            padding: 0 20px;                
        }

        #file-list.columns-3 {
            grid-template-columns: repeat(3, minmax(0, 1fr));
            max-width: 1100px;
            margin: 1.5rem auto 1rem auto;
            padding: 0 20px;
        }

        #file-list.columns-4 {
            grid-template-columns: repeat(4, minmax(0, 1fr));
            max-width: 1900px;
            margin: 1.5rem auto 1rem auto;
            padding: 0 20px;
        }

        .file-item {
            display: flex;
            user-select: none;
            justify-content: space-between;
            padding: 6px;
            background-color: transparent;
            border: 3px solid;
            border-color: #ff6154;
            border-radius: 18px;
            cursor: grab;
            transition: box-shadow 0.3s ease;
            min-height: 80px;
            box-sizing: border-box;        
            overflow: hidden;              
            min-width: 0;                  
        }

        /* Responsive adjustments for grid */
        @media (max-width: 1400px) {
            #file-list.columns-4 {
                grid-template-columns: repeat(3, 1fr);
                max-width: 1200px;
            }
        }

        @media (max-width: 1100px) {
            #file-list.columns-3,
            #file-list.columns-4 {
                grid-template-columns: repeat(2, 1fr);
                max-width: 1000px;
            }
        }

        @media (max-width: 768px) {
            #file-list.columns-2,
            #file-list.columns-3,
            #file-list.columns-4 {
                grid-template-columns: 1fr;
                max-width: 600px;
            }
        }

        .file-item:hover {
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .file-info {
            display: flex;
            vertical-align: middle;
            overflow: hidden;
            flex: 1;                       
            min-width: 0;                  
        }

        .file-number {
            vertical-align: middle;
            margin-right: 8px;
            flex-shrink: 0;
            font-size: 20px;
            align-content: center;
            text-align: center;
            width: 24px;
            margin-left: 8px;
            font-weight: bold;
        }

        .file-details {
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;                       
            min-width: 0;                  
            overflow: hidden;              
        }

        .file-name {
            font-size: 16px;
            white-space: nowrap;           
            overflow: hidden;              
            text-overflow: ellipsis;       
            max-width: 100%;               
            display: block;
            margin-right: 10px;
        }

        .file-size {
            font-size: 0.8rem;
            opacity: 0.5;
        }

        .remove-file {
            background: none;
            align-content: center;
            margin-right: 12px;
            align-items: center;
            border: 1px solid;
            cursor: pointer;
            height: auto;
            padding: 4px;
            line-height: normal;
            font-size: 18.5px;
            color: #000;
            transition: all 0.3s ease;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .remove-file:hover {
            background: #ff6154;
            color: #fff;
            border-color: #ff6154;
        }

        .remove-icon {
            width: 20px;
            height: 20px;
            vertical-align: middle;
        }

        /* Preview button styles */
        .preview-button {
            background: none;
            color: #000;
            border: 1px solid;
            padding: 3px 4px;
            cursor: pointer;
            font-size: 0.9rem;
            margin-right: 6px;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: all 0.3s ease;
        }
      
        .preview-button:hover {
            background: #ff6154;
            color: #fff;
            border-color: #ff6154;
            box-shadow: 0 4px 12px rgba(255, 97, 84, 0.4);
            transform: translateY(-1px);
        }

        .preview-icon {
            width: 30px;
            height: 20px;
        }

        /* Preview modal styles */
        .preview-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 1000;
        }

        .modal-content {
            position: relative;
            width: 100%;
            max-width: max-content;
            height: 90%;
            margin: 2% auto;
            background: white;
            padding: 10px;
            border-radius: 8px;
            overflow: auto;
        }

        .close-modal {
            position: absolute;
            right: 20px;
            top: 10px;
            font-size: 24px;
            cursor: pointer;
            color: #333;
            background: none;
            border: none;
            padding: 0;
            width: auto;
        }
        .close-modal:hover {
            background: none;
            box-shadow: none;
            transform: translateY(-1px);
      
        }

        .pdf-preview-container {
            width: 100%;
            height: calc(100% - 41px);
            overflow: auto;
        }

        #pdf-preview-canvas {
            margin: 0 auto;
            display: block;
            max-width: 600px;
            min-width: 600px;
        }

        .page-controls {
            text-align: center;
            margin-bottom: 10px;
            color: #000;
        }

        .page-controls button {
            width: auto;
            padding: 8px 18px;
            margin: 0 5px;
            font-size: 13px;
            border-radius: 8px;
            font-weight: 500;
        }

        /* Button styles */
        button {
            padding: 12px 20px;
            background-color: #ff6154;
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        button:hover {
            background: #e5554a;
            box-shadow: none;
            transform: none;
        }

        button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
            
        }

        
        .button-container {
            display: flex;
            gap: 10px;
            margin: 0;                   
        }

        .button-container .preview-full-button {
            flex: 0 0 auto;               
            padding: 12px 24px;           
        }

        .button-container .merge-button {
            flex: 0 0 auto;               
            padding: 12px 24px;           
        }

        .preview-full-button {
            background-color: transparent;
            color: #ff6154;
            border: 2px solid #ff6154;
            white-space: nowrap;          
        }

        .merge-button {
            white-space: nowrap;          
        }

        .preview-full-button:hover {
            background-color: transparent;
        }

        /* Progress bar styles */
        #progress-container {
            margin-top: 1.5rem;
            width: 100%;
            max-width: 510px;
            justify-self: center;
        }

        .progress-bar {
            width: 100%;
            height: 12px;
            background-color: transparent;
            border-radius: 20px;
            overflow: hidden;
        }

        #progress-bar {
            width: 0;
            height: 100%;
            background-color: #ff6154;
            transition: width 0.3s ease;
        }

        #progress-text {
            text-align: center;
            margin-top: 8px;
            font-size: 0.875rem;
            color: #6b7280;
        }

        /* Loading indicator for full preview */
        .loading-indicator {
            text-align: center;
            color: #000;
            margin: 20px 0;
        }

        /* Utility classes */
        .hidden {
            display: none;
        }

        /* Responsive adjustments */
        @media (max-width: 640px) {
            .container {
                padding: 20px;
            }

            h1 {
                font-size: 1.5rem;
            }

            .file-input-label {
                
            }

            .upload-icon {
                width: 32px;
                height: 32px;
            }

            .upload-text {
                font-size: 1.15rem;
            }

            .upload-subtext {
                font-size: 0.675rem;
            }

            .button-container {
                flex-direction: column;
            }
        }

        /* Sortable ghost class */
        .ghost {
            opacity: 0.7;
            border: 2px dashed #ccc;
            color: #ccc;
            background: transparent;
        }

        .pdf-preview {
            width: 50px;
            height: auto;
            margin-right: 10px;
        }

        .file-input-label.drag-over {
            border-color: #ff6154;
            background-color: #ff615405;
        }