.heading {
    margin-top: 55px; 
  }

  .document-list {
    margin-bottom: 50px;
    margin-right: 100px;
  }
  
  .container-main {
    display: flex;
    height: 100vh;
    background-color:rgb(255, 255, 255);
  }

 /* Left Panel */
 .sidebar {
    width: 25%;
    background: #fff;
    padding: 20px;
    margin-left: 50px;
    transition: all 0.3s ease-in-out;    
  }

  .vertical-line {
    width: 2px; 
    background-color: #ddd; 
    height: 100%; 
    margin-left: 50px;
  }

  .toggle-buttons {
      display: flex;
      justify-content: space-between;
      margin-bottom: 20px;
  }

  .toggle-buttons button {
      flex: 1;
      margin: 0 5px;
      padding: 10px;
      border: 2px solid #ddd; 
      border-radius: 25px;
      cursor: pointer;
      background: white; 
      color: rgb(0, 0, 0); 
      font-weight: bold;
      border-radius: 20px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .toggle-buttons button:hover {
      transform: translateY(-3px); 
      box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2); 
      background: linear-gradient(45deg, #d9d9d9, #f2f2f2); 
      border-color: #aaa;
  }

  .toggle-buttons button.active {
      background: linear-gradient(45deg, #990000, #ff0066);
      color: rgb(255, 255, 255);
      border: none;
  }

  .file-list {
      list-style: none;
      padding: 0;
  }

  .file-item {
      display: flex;
      align-items: center;
      padding: 9px;
      border-radius: 8px;
      background: #fff;
      margin-bottom: 10px;
      cursor: pointer;
      transition: 0.3s;
      border: 1px solid #ddd;
      box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
  }

  .file-item:hover {
      background: #f1f1f1;
      transform: scale(1.02);
  }

  .item-icon {
      font-size: 18px;
      margin-right: 15px;
  }

  .item-info h3 {
      font-size: 16px;
      margin: 0;
      font-weight: bold;
  }

  .item-info p {
      font-size: 12px;
      margin: 2px 0;
      color: #666;
  }

  /* Right Panel */
  .language-filters {
      font-family: 'Abhaya Libre', serif; /* Correct font-family */
      display: flex !important;
      flex-direction: row;
      justify-content: flex-end !important; 
      width: 80%; 
      margin-bottom: 10px; 
      padding-right: 5px;
      box-sizing: border-box; 
  }

  .language-filters button {
      font-family: 'Abhaya Libre', serif; 
      font-weight: 700; 
      margin: 0 5px; 
      padding: 10px 15px; 
      border: 2px solid #ddd; 
      border-radius: 25px; 
      background: white; 
      color: #333; 
      font-size: 14px; 
      cursor: pointer; 
      transition: all 0.3s ease; 
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  }

  .language-filters button:hover {
      background: linear-gradient(45deg, #d9d9d9, #f2f2f2); 
      border-color: #aaa; 
      transform: scale(1.02);
  }

  .language-filters button.active {
      background: linear-gradient(45deg, #990000, #ff0066);  
      color: white; 
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2); 
  }

  .pdf-container {
      flex-grow: 1; 
      display: flex;
      flex-direction: column; 
      align-items: center;
      overflow: hidden;
      position: relative;
      background: #fff;
  }

  .pdf-viewer {
      width: 80%; 
      height: 90%; 
      border: none;
      box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
      margin-top: 10px;
  }

  /* Responsive */
  @media (max-width: 768px) {
      .container-main {
          flex-direction: column;
      }
      .sidebar {
          width: 100%;
          border-right: none;
          border-bottom: 2px solid #ddd;
      }
      .pdf-viewer {
          width: 100%;
          height: 80vh;
      }
  }