* {
    box-sizing: border-box;
  }
  html,
  body,
  #app {
    height: 100%;
  }
  body {
    margin: 0;
    font-family: -apple-system, "system-ui", "Segoe UI Adjusted", "Segoe UI",
      "Liberation Sans", sans-serif;
  }
  pre {
    overflow-x: auto;
    border-radius: 6px;
  }
  button {
    border: none;
    background-color: transparent;
    color: inherit;
    padding: 0;
    cursor: pointer;
  }
  ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  #app {
    display: flex;
    flex-direction: column;
  }
  header {
    position: relative;
    width: 100%;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #333;
    color: white;
  }
  header > button {
    position: absolute;
    padding: 12px;
  }
  button.menu {
    left: 0;
  }
  button.clear {
    right: 0;
  }
  .hidden {
    display: none;
  }
  aside {
    position: fixed;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: flex;
  }
  .sidebar-container {
    background-color: #333;
    color: white;
    width: 300px;
    overflow-y: auto;
  }
  .sidebar-modal {
    flex: 1 0;
    min-width: 64px;
    background-color: rgba(0, 0, 0, 0.3);
  }
  li > button {
    width: 100%;
    height: 48px;
    text-align: left;
    padding: 0 16px;
    transition: background-color 0.2s;
  }
  li > button:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }
  main {
    flex-grow: 1;
    overflow-y: auto;
  }
  .chat-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 768px;
    margin: 0 auto;
    overflow-wrap: break-word;
  }
  .chat-container .message {
    padding: 2px 16px;
  }

  .chat-container code:not(.hljs) {
    color: #4d4d4d;
    padding: 0 5px;
    display: inline-block;
  }

  .chat-container .assistant {
    background-color: #f0f0f0;
  }
  footer {
    width: 100%;
    padding: 8px;
    display: flex;
    justify-content: center;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
  }
  #input-box {
    width: 100%;
    max-width: 768px;
    padding: 8px;
    border-width: 1px;
    border-color: rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
  }

  .hljs-code-header {
    display: flex;
    justify-content: space-between;
    padding: 3px 6px;
    background-color: #9b9b9b;
    color: #fff;
  }