body {
      font-family: 'Courier New', Courier, monospace;
      background-color: black;
      color: lightgreen;
      text-align: left;
      padding: 20px;
      margin: 0;
      overflow: hidden;
    }

    h1 {
      margin: 0 0 10px 0;
      font-size: 24px;
      color: lightgreen;
    }

    #chatWindow {
      max-height: 900px;
      overflow-y: scroll;
      margin-bottom: 10px;
      padding-bottom: 40px;
      position: relative;
    }

    #inputField {
      font-size: 16px;
      padding: 10px;
      background-color: black;
      color: lightgreen;
      border: none;
      outline: none;
      width: 100%;
      box-sizing: border-box;
    }

    #inputContainer {
      display: flex;
      align-items: center;
    }

    .cursor {
      display: inline-block;
      width: 8px;
      height: 16px;
      background-color: lightgreen;
      animation: blink 1s step-end infinite;
      vertical-align: middle;
      margin-left: 2px;
    }

    @keyframes blink {
      50% { opacity: 0; }
    }

    #fileInput {
      display: none;
    }