fizzy/app/assets/stylesheets/rich-text-content.css

@layer components {
  .rich-text-content {
    :where(h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6) {
      font-weight: 800;
      hyphens: auto;
      letter-spacing: -0.02ch;
      line-height: 1.1;
      margin-block: 0;
      overflow-wrap: break-word;
      text-wrap: balance;
    }

    :where(h1, h2, h3, h4, h5, h6) { display: block; }
    :where(h1, h2, h3, h4, h5, h6) { margin-block: 0.65em; }

    :is(h1, .h1) { font-size: 2em; }
    :is(h2, .h2) { font-size: 1.5em; }
    :is(h3, .h3) { font-size: 1.17em; }
    :is(h4, .h4) { font-size: 1em; }
    :is(h5, .h5) { font-size: 0.83em; }
    :is(h6, .h6) { font-size: 0.67em; }

    :where(p, ul, ol, dl, blockquote, pre, figure, table, hr) {
      margin-block: 0.65lh;
      overflow-wrap: break-word;
      text-wrap: pretty;
    }

    :where(hr) {
      border-color: var(--color-ink-medium);
      border-style: var(--border-style, solid) none none;
      margin: 2lh auto;
    }

    :where(strong) {
      font-weight: 700;
    }

    :is(pre, code, .pre, .code) {
      background-color: var(--color-ink-lightest);
      border: 1px solid var(--color-ink-lighter);
      border-radius: 0.3em;
      font-family: var(--font-mono);
      font-size: 0.85em;
    }

    :is(pre) {
      overflow-x: auto;
      /* text-wrap: nowrap; */
    }

    :where(code) {
      padding: 0.1em 0.3em;
    }

    :is(pre, .pre) {
      border-radius: 0.5em;
      padding: 0.5lh 2ch;

      :is(code, .code) {
        background-color: transparent;
        border: 0;
        font-size: 1em;
        padding: 0;
      }
    }

    :where(p) {
      hyphens: auto;
      letter-spacing: -0.005ch;
    }

    :is(blockquote, .quote) {
      font-style: italic;
      margin: 1ch 3ch;
      border-inline-start: 0.25rem solid var(--color-ink-lighter);
      margin-inline: 0;
      padding: 0.5rem 1rem;

      :is(p) {
        hyphens: none;
      }
    }

    :where(table, th, td) {
      border: 1px solid var(--color-ink-medium);
    }

    :where(table) {
      border-collapse: collapse;
      margin: 1lh 0;
    }

    :where(th, td) {
      padding: 0.2lh 1ch;
      text-align: start;
    }

    :where(th) {
      border-block-end-width: 3px;
      font-weight: 700;
    }

    :where(img, video, embed, object) {
      max-block-size: 32rem;

      /* Links should hug media contained within */
      a:has(&) {
        display: inline-block;
      }
    }

    figure {
      display: inline-block;
      position: relative;
      block-size: auto;
      max-inline-size: 100%;
      margin-inline: 0;
      width: 100%;

      img {
        display: block;
        max-width: 100%;
        margin-inline: auto;
        max-inline-size: 100%;
        height: auto;
        user-select: none;
        block-size: auto;
      }
    }

    /* Code */
    code[data-language] {
      display: block;
      white-space: pre;
    }

    code:not([data-language]) {
      background-color: #f5f5f5;
      border: 1px solid #e0e0e0;
      border-radius: 4px;
    }

    code[class*="language-"],
    pre[class*="language-"] {
      background: #f9f9fc;
      color: #2d2d2d;
      font-family: 'Fira Code', Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
      font-size: 0.95rem;
      line-height: 1.6;
      direction: ltr;
      text-align: left;
      white-space: pre;
      word-break: break-word;
      tab-size: 2;
      hyphens: none;
      border-radius: 8px;
      padding: 1em;
      box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    }

    /* Syntax token colors */
    code[data-language] {
      /* Keywords and attributes */
      .code-token__attr,
      .token.atrule,
      .token.attr,
      .token.keyword {
        color: #d73a49;
      }

      /* Constants, booleans, numbers, properties, tags */
      .code-token__property,
      .token.boolean,
      .token.constant,
      .token.deleted,
      .token.number,
      .token.property,
      .token.symbol,
      .token.tag {
        color: #005cc5;
      }

      /* Strings, selectors, and built-in constructs */
      .code-token__selector,
      .token.builtin,
      .token.char,
      .token.inserted,
      .token.selector,
      .token.string {
        color: #032f62;
      }

      /* Comments and meta information */
      .code-token__comment,
      .token.cdata,
      .token.comment,
      .token.doctype,
      .token.prolog {
        color: #6a737d;
        font-style: italic;
      }

      /* Operators and symbolic entities */
      .code-token__operator,
      .token.entity,
      .token.operator,
      .token.url {
        color: #d73a49;
      }

      /* Functions and class names */
      .code-token__function,
      .token.class,
      .token.class-name,
      .token.function {
        color: #6f42c1;
      }

      /* Variables, regex, namespaces, important */
      .code-token__variable,
      .token.important,
      .token.namespace,
      .token.regex,
      .token.variable {
        color: #e36209;
      }

      /* Punctuation */
      .code-token__punctuation,
      .token.punctuation {
        color: #24292e;
      }
    }
  }
}