body {
      font-family: Arial, sans-serif;
      margin: 0;
      padding: 20px;
      background-color: #f8f9fa;
    }
    .editor-container {
      display: flex;
      flex-direction: column;
      max-width: 800px;
      margin: 0 auto;
    }
    .tabs {
      display: flex;
      border-bottom: 1px solid #ced4da;
      margin-bottom: 10px;
    }
    .tab {
      padding: 10px 20px;
      cursor: pointer;
      border: 1px solid #ced4da;
      border-bottom: none;
      background-color: #f8f9fa;
    }
    .tab.active {
      background-color: #fff;
      font-weight: bold;
    }
    .tab-content {
      display: none;
    }
    .tab-content.active {
      display: block;
    }
    .toolbar {
      display: flex;
      gap: 10px;
      margin-bottom: 10px;
    }
    .toolbar button {
      padding: 5px 10px;
      font-size: 14px;
      cursor: pointer;
    }
    .editor-wrapper {
      display: flex;
      border: 1px solid #ced4da;
      border-radius: 5px;
      overflow: hidden;
      font-family: 'Courier New', monospace;
    }
    .line-numbers {
      background-color: #f1f1f1;
      color: #666;
      padding: 10px 10px;
      text-align: right;
      user-select: none;
      white-space: pre;
      font-size: 14px;
      overflow-y: scroll; /* Enable scrolling */
      width: 50px;
      border-right: 1px solid #ced4da;
      height: 300px; /* Fixed height */
      scrollbar-width: none; /* Hide scrollbar for Firefox */
      -ms-overflow-style: none; /* Hide scrollbar for IE/Edge */
    }
    .line-numbers::-webkit-scrollbar {
      display: none; /* Hide scrollbar for WebKit browsers */
    }
    textarea {
      width: calc(100% - 50px);
      height: 300px; /* Fixed height */
      font-family: 'Courier New', monospace;
      font-size: 14px;
      padding: 10px;
      border: none;
      outline: none;
      resize: none;
      flex-grow: 1;
      overflow-y: auto;
    }
    .preview {
      padding: 10px;
      border: 1px solid #ced4da;
      border-radius: 5px;
      background-color: #fff;
      font-family: Arial, sans-serif;
      overflow-y: auto;
      height: 300px; /* Fixed height */
    }
    .status-bar {
      margin-top: 10px;
      font-size: 14px;
      color: #666;
    }
    .status-bar span {
      margin-right: 20px;
    }
    textarea strong {
      font-weight: bold;
      color: red;
    }