body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #f4f7fa;
      margin: 0;
      padding: 0;
      color: #333;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 40px;
      background: #fff;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      border-radius: 12px;
    }
    h1 {
      text-align: center;
      color: #be0c6c;
      font-size: 2.5em;
      margin-bottom: 20px;
    }
    .button-container {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 20px;
    }
    .button-container button,
    .button-container a {
      background-color: #be0c6c;
      color: white;
      padding: 12px 20px;
      border: none;
      border-radius: 5px;
      font-size: 16px;
      cursor: pointer;
      transition: background-color 0.3s ease;
      text-decoration: none;
    }
    .button-container button:hover,
    .button-container a:hover {
      background-color: #b50759;
    }
    .editor-row {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }
    .editor-box {
      flex: 1;
      min-width: 48%;
      border: 2px solid #ccc;
      border-radius: 8px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .editor-box:hover,
    .editor-box:focus-within {
      border-color: #be0c6c;
    }
    .editor-header {
      background-color: #be0c6c;
      color: white;
      padding: 8px 10px;
      font-weight: bold;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .editor-tools i {
      margin-left: 10px;
      cursor: pointer;
      transition: color 0.3s;
    }
    .editor-tools i:hover {
      color: #ffc107;
    }
    #markdown-input,
    #html-output {
      height: 400px;
    }
    .fullscreen {
      position: fixed !important;
      top: 0;
      left: 0;
      width: 100vw !important;
      height: 100vh !important;
      z-index: 9999;
      background: white;
      border-radius: 0 !important;
    }