src/components/Chat.css

@scope (.markdown) {
  /* Code blocks */
  pre {
    margin: 0.5rem 0;
    white-space: break-spaces;
  }

  code {
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-family: Consolas, Monaco, "Andale Mono", "Ubuntu Mono", monospace;
    font-size: 0.9em;
  }

  pre,
  code {
    background-color: #f2f2f2;
  }

  @media (prefers-color-scheme: dark) {
    pre,
    code {
      background-color: #333;
    }
  }

  pre:has(code) {
    padding: 1rem 0.5rem;
  }

  pre > code {
    padding: 0;
  }

  /* Headings */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    font-weight: 600;
    line-height: 1.2;
  }

  h1 {
    font-size: 2em;
    margin: 1rem 0;
  }

  h2 {
    font-size: 1.5em;
    margin: 0.83rem 0;
  }

  h3 {
    font-size: 1.25em;
    margin: 0.67rem 0;
  }

  h4 {
    font-size: 1em;
    margin: 0.5rem 0;
  }

  h5 {
    font-size: 0.875em;
    margin: 0.33rem 0;
  }

  h6 {
    font-size: 0.75em;
    margin: 0.25rem 0;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6:first-child {
    margin-top: 0;
  }

  /* Unordered List */
  ul {
    list-style-type: disc;
    margin-left: 1.5rem;
  }

  /* Ordered List */
  ol {
    list-style-type: decimal;
    margin-left: 1.5rem;
  }

  /* List Items */
  li {
    margin: 0.25rem 0;
  }

  p:not(:first-child) {
    margin-top: 0.75rem;
  }

  p:not(:last-child) {
    margin-bottom: 0.75rem;
  }

  ul > li {
    margin-left: 1rem;
  }

  /* Table */
  table,
  th,
  td {
    border: 1px solid lightgray;
    padding: 0.25rem;
  }

  @media (prefers-color-scheme: dark) {
    table,
    th,
    td {
      border: 1px solid #f2f2f2;
    }
  }
}