.arp_container {
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .arp_title {
      font-size: 26px;
      font-weight: bold;
      margin-bottom: 10px;
    }

    .arp_subtitle {
      font-size: 14px;
      color: #444;
      line-height: 1.5;
    }

    .arp_product-info {
      background: linear-gradient(135deg, #00bdf8 0%, #0082a3 100%);
      color: white;
      padding: 15px 25px;
      border-radius: 8px;
      margin: 25px auto;
      max-width: 600px;
      text-align: center;
      font-size: 18px;
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .arp_product-info strong {
      display: block;
      font-size: 20px;
      margin-bottom: 5px;
      font-weight: 600;
    }

    .arp_product-size {
      font-size: 24px;
      font-weight: 700;
      letter-spacing: 1px;
    }

    .arp_upload-section {
      display: flex;
      justify-content: space-between;
      margin-top: 80px;
      gap: 20px;
      position: relative;
      overflow: visible;
    }

    .arp_single-pdf-uploader {
      width: 48%;
      flex: 0 0 48%;
      border: 2px solid #e0e0e0;
      border-radius: 10px;
      padding: 0;
      text-align: center;
      transition: background 0.2s ease;
      overflow: visible;
    }

    .arp_single-pdf-uploader:hover {
      background-color: #f9f9f9;
    }

    /* Colored header for upload boxes */
    .arp_upload-header {
      background: linear-gradient(135deg, #00bdf8 0%, #0082a3 100%);
      padding: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      position: relative;
      border-radius: 8px 8px 0 0;
      overflow: visible;
    }

    .arp_upload-header h3 {
      color: white;
      font-size: 18px;
      font-weight: 600;
      margin: 0;
      letter-spacing: 1px;
    }

    /* Tooltip styling */
    .arp_tooltip {
      position: relative;
      display: inline-flex;
      cursor: help;
      color: white;
      opacity: 0.9;
    }

    .arp_tooltip:hover {
      opacity: 1;
    }

    .arp_tooltip svg {
      display: block;
    }

    .arp_tooltiptext {
      visibility: hidden;
      width: 400px;
      max-width: 90vw;
      background-color: #2c2c2c;
      color: #fff;
      text-align: left;
      border-radius: 8px;
      padding: 18px 20px;
      position: absolute;
      z-index: 10000;
      top: 150%;
      left: 50%;
      margin-left: -200px;
      opacity: 0;
      transition: opacity 0.3s, visibility 0.3s;
      font-size: 14px;
      line-height: 1.7;
      font-weight: normal;
      letter-spacing: normal;
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    }

    .arp_tooltiptext::after {
      content: "";
      position: absolute;
      bottom: 100%;
      left: 50%;
      margin-left: -8px;
      border-width: 8px;
      border-style: solid;
      border-color: transparent transparent #2c2c2c transparent;
    }

    .arp_tooltip:hover .arp_tooltiptext {
      visibility: visible;
      opacity: 1;
    }

    .arp_tooltiptext strong {
      color: #fff;
      font-weight: 600;
    }

    .arp_upload-content {
      z-index: 2;
      position: relative;
      padding: 40px 20px;
    }

    .upload-icon {
      width: 32px;
      height: 32px;
      opacity: 0.5;
      margin-bottom: 20px;
      cursor: pointer;
    }

    .arp_upload-text {
      font-size: 16px;
      font-weight: 500;
    }

    .arp_upload-note {
      font-size: 13px;
      color: #999;
      margin-top: 5px;
      margin-bottom: 20px;
    }

    .arp_browse-button,
    button.arp_browse-button,
    label.arp_browse-button {
      background-color: #0082a3;
      padding: 10px 30px;
      color: #fff;
      font-size: 16px;
      border-radius: 5px;
      cursor: pointer;
      margin-top: 10px;
      display: inline-block;
      border: none;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      font-weight: 600;
      transition: background-color 0.2s ease;
      font-family: inherit;
      line-height: normal;
      text-align: center;
      vertical-align: middle;
      text-decoration: none;
    }

    .arp_browse-button:hover,
    button.arp_browse-button:hover,
    label.arp_browse-button:hover {
      background-color: #00bdf8;
    }

    .arp_upload-box-right {
      width: 48%;
      flex: 0 0 48%;
      padding: 0;
      text-align: center;
      border: 2px solid #e0e0e0;
      border-radius: 10px;
      overflow: visible;
    }

    .arp_main-div {
      border: 2px dashed #ccc;
      border-radius: 10px;
      padding: 20px;
      margin: 20px;
    }

    .arp_merge-header-1 {
      font-size: 13px;
      margin-bottom: 10px;
      color: #444;
    }

    .arp_hed-mrg {
      font-size: 20px;
      margin-top: 15px;
      font-weight: 600;
    }

    .arp_select-btn {
      background-color: #0082a3;
      border: none;
      color: #fff;
      padding: 10px 30px;
      font-size: 16px;
      border-radius: 5px;
      cursor: pointer;
      display: inline-block;
      margin-top: 15px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      font-weight: 600;
      transition: background-color 0.2s ease;
    }

    .arp_select-btn:hover {
      background-color: #00bdf8;
    }

    .arp_uploading-status {
      margin-top: 25px;
      font-size: 14px;
    }

    .arp_cstm-right {
      display: flex;
      justify-content: space-between;
      padding: 0 20px 13px 20px;
    }

    .arp_file-list {
      border: 1px solid #ccc;
      border-radius: 5px;
      padding: 20px;
    }

    .arp_file-item {
      display: flex;
      align-items: center;
      gap: 15px;
      font-size: 14px;
      margin: 8px 0;
      padding: 12px;
      background-color: #f9f9f9;
      border: 1px solid #e0e0e0;
      border-radius: 5px;
      cursor: move;
      transition: background-color 0.2s ease;
    }

    .arp_file-item-thumbnail {
      max-width: 120px;
      max-height: 80px;
      width: auto;
      height: auto;
      flex-shrink: 0;
      border-radius: 4px;
      object-fit: contain;
      border: 1px solid #ddd;
      background-color: #fff;
    }

    .arp_file-item-info {
      flex: 1;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .arp_file-item-name {
      flex: 1;
      word-break: break-word;
    }

    .arp_file-item:hover {
      background-color: #f0f0f0;
    }

    .arp_file-item.ui-sortable-helper {
      background-color: #e8e8e8;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
      transform: rotate(2deg);
    }

    .arp_file-item.ui-sortable-placeholder {
      background-color: #fff3cd;
      border: 2px dashed #ffc107;
      visibility: visible !important;
      height: 50px;
    }

    .file-remove {
      color: #999;
      cursor: pointer;
      font-size: 18px;
      font-weight: bold;
      transition: color 0.2s ease;
    }

    .file-remove:hover {
      color: #ff4444;
    }

    .arp_drag-hint {
      font-size: 12px;
      color: #999;
      font-style: italic;
      margin: 0;
    }

    .arp_merge-btn-container {
      text-align: center;
      margin: 30px 20px 20px 20px;
    }

    .arp_merge-btn {
      background-color: orange;
      color: white;
      padding: 12px 50px;
      font-size: 16px;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      font-weight: 600;
      text-decoration: none;
      transition: background-color 0.2s ease;
    }

    .arp_merge-btn:hover {
      background-color: #ff8c00;
    }

    #left-file-info {
      margin-top: 15px;
      font-size: 14px;
      color: green;
    }

    .arp_submit-btn {
      margin-top: 40px;
      padding: 12px 40px;
      font-size: 16px;
      font-weight: bold;
      background-color: #4a68ff;
      color: #fff;
      border: none;
      border-radius: 6px;
      cursor: pointer;
    }

     .arp_upload-section {
            align-items: start;
          }
          
    /* Progress Bar Styles */
    .arp_progress-container {
        width: 100%;
        margin-top: 20px;
        text-align: center;
    }

    .arp_progress-wrapper {
        display: flex;
        align-items: center;
        gap: 15px;
        justify-content: center;
        margin-bottom: 15px;
    }

    .arp_spinner {
        width: 40px;
        height: 40px;
        flex-shrink: 0;
    }

    .arp_progress-bar-container {
        flex: 1;
        max-width: 400px;
        background-color: #f0f0f0;
        border-radius: 10px;
        height: 24px;
        overflow: hidden;
        box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .arp_progress-bar {
        height: 100%;
        background: linear-gradient(90deg, #00bdf8 0%, #0082a3 100%);
        width: 0%;
        transition: width 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: flex-end;
        padding-right: 8px;
        color: white;
        font-size: 12px;
        font-weight: 600;
        border-radius: 10px;
    }

    /* Indeterminate progress bar animation for processing */
    .arp_progress-bar.arp_indeterminate {
        width: 100% !important;
        background: linear-gradient(90deg,
            #00bdf8 0%,
            #0082a3 25%,
            #00bdf8 50%,
            #0082a3 75%,
            #00bdf8 100%);
        background-size: 200% 100%;
        animation: arp_progressSlide 2s linear infinite;
        justify-content: center;
    }

    @keyframes arp_progressSlide {
        0% {
            background-position: 0% 0%;
        }
        100% {
            background-position: 100% 0%;
        }
    }

    .arp_progress-text {
        color: #666;
        font-size: 14px;
        margin-top: 10px;
        font-weight: 500;
    }

    .arp_progress-status {
        color: #444;
        font-size: 13px;
        margin-top: 5px;
    }

    @media only screen and (max-width: 809px) {
            .arp_upload-section {
                display: unset;
            }

            .arp_single-pdf-uploader {
                width: 100%;
            }

            .arp_upload-box-right {
                width: 100%;
            }

            .arp_merge-btn-container {
                text-align: center;
            }

            .arp_progress-wrapper {
                flex-direction: column;
                gap: 10px;
            }

            .arp_progress-bar-container {
                max-width: 90%;
            }

        }