.header {
      text-align: left;
      margin-bottom: 10px;
    }

    .header h1 {
      color: #333;
      font-size: 24px;
      margin-bottom: 5px;
    }

    .header p {
      color: #666;
      font-size: 14px;
    }

    .dropbox {
      width: 100%;
      height: 220px;
      border: 3px dashed #4c6fff;
      border-radius: 12px;
      display: flex;
      justify-content: center;
      align-items: center;
      flex-direction: column;
      background-color: #f0f7ff;
      transition: all 0.3s ease;
      cursor: pointer;
      padding: 20px;
      gap: 15px;
    }

    .dropbox:hover {
      background-color: #e6f0ff;
      transform: translateY(-2px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    }

    .dropbox.dragover {
      background-color: #e6f0ff;
      border-color: #3451b2;
      transform: scale(1.02);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .dropbox-icon {
      font-size: 40px;
      color: #4c6fff;
      margin-bottom: 10px;
    }

    .dropbox-text {
      font-size: 18px;
      color: #4c6fff;
      margin-bottom: 5px;
      font-weight: 600;
    }

    .dropbox-subtext {
      font-size: 14px;
      color: #666;
      text-align: center;
    }

    .browse-btn {
      background-color: #4c6fff;
      color: white;
      border: none;
      padding: 10px 20px;
      border-radius: 8px;
      font-size: 14px;
      cursor: pointer;
      transition: background-color 0.3s;
      font-weight: 500;
      margin-top: 5px;
    }

    .browse-btn:hover {
      background-color: #3451b2;
    }

    .file-previews {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
      gap: 15px;
      width: 100%;
    }

    .file-preview {
      background-color: #fff;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      transition: all 0.3s ease;
      position: relative;
    }

    .file-preview:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
    }

    .preview-img-container {
      height: 150px;
      width: 100%;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #f9f9f9;
    }

    .preview-img {
      max-width: 100%;
      max-height: 150px;
      object-fit: contain;
    }

    .file-icon {
      font-size: 60px;
      color: #4c6fff;
    }

    .file-info {
      padding: 12px;
    }

    .file-name {
      font-size: 14px;
      color: #333;
      margin-bottom: 5px;
      font-weight: 600;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .file-size {
      font-size: 12px;
      color: #666;
    }

    .file-actions {
      display: flex;
      justify-content: space-between;
      margin-top: 10px;
    }

    .remove-btn {
      background-color: #ff4d4f;
      color: white;
      border: none;
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 12px;
      cursor: pointer;
      transition: background-color 0.3s;
    }

    .remove-btn:hover {
      background-color: #d9363e;
    }

    .upload-notification {
      position: fixed;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: #4c6fff;
      color: white;
      padding: 12px 20px;
      border-radius: 8px;
      font-size: 14px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      z-index: 1000;
      display: flex;
      align-items: center;
      gap: 10px;
      opacity: 0;
      transition: opacity 0.3s, transform 0.3s;
      pointer-events: none;
    }

    .upload-notification.show {
      opacity: 1;
      transform: translateX(-50%) translateY(0);
      pointer-events: all;
    }

    .upload-notification.success {
      background-color: #52c41a;
    }

    .upload-notification.error {
      background-color: #ff4d4f;
    }

    .notification-progress {
      position: absolute;
      bottom: 0;
      left: 0;
      height: 3px;
      background-color: rgba(255, 255, 255, 0.5);
      width: 100%;
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 3s linear;
    }

    .upload-notification.show .notification-progress {
      transform: scaleX(1);
    }

    .upload-stats {
      background-color: white;
      border-radius: 10px;
      padding: 15px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      width: 100%;
      margin-top: 10px;
      display: none;
    }

    .stats-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 15px;
    }

    .stats-title {
      font-size: 16px;
      color: #333;
      font-weight: 600;
    }

    .stats-info {
      display: flex;
      gap: 20px;
    }

    .stat-item {
      text-align: center;
    }

    .stat-value {
      font-size: 18px;
      color: #4c6fff;
      font-weight: 600;
    }

    .stat-label {
      font-size: 12px;
      color: #666;
    }

    .progress-bar {
      height: 8px;
      width: 100%;
      background-color: #f0f0f0;
      border-radius: 4px;
      overflow: hidden;
    }

    .progress-fill {
      height: 100%;
      background-color: #4c6fff;
      width: 0;
      transition: width 0.3s ease;
    }

    .empty-state {
      display: none;
      text-align: center;
      padding: 30px;
      color: #666;
    }

    /* Responsive adjustments */
    @media (max-width: 600px) {
      .file-previews {
        grid-template-columns: 1fr;
      }
      
      .dropbox {
        height: 250px;
      }
    }

    input[type="file"] {
      display: none;
    }