/* Stable presentation layer for HTML produced by chat-utils.js. */
/* .article-content = blog articles (server-rendered markdown, light theme). */

:where(.message-content, .shared-message-content, .article-content) {
  min-width: 0;
  color: var(--chat-text, #f7fbff);
  font-size: 0.94rem;
  line-height: 1.68;
  overflow-wrap: anywhere;
}

:where(.message-content, .shared-message-content, .article-content) :where(h1, h2, h3, h4, h5, h6) {
  letter-spacing: 0;
  text-wrap: balance;
}

:where(.message-content, .shared-message-content, .article-content) a {
  text-underline-offset: 0.18em;
}

:where(.message-content, .shared-message-content, .article-content) :where(pre, .table-wrap, .mermaid-block, .chart-block) {
  max-width: 100%;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
}

:where(.message-content, .shared-message-content, .article-content) pre {
  white-space: pre;
  overflow-x: auto;
}

:where(.message-content, .shared-message-content, .article-content) .table-wrap {
  overflow-x: auto;
}

:where(.message-content, .shared-message-content, .article-content) table {
  min-width: 560px;
}

:where(.message-content, .shared-message-content, .article-content) .katex-display {
  max-width: 100%;
  padding: 4px 0;
  overflow-x: auto;
  overflow-y: hidden;
}

:where(.message-content, .shared-message-content, .article-content) :where(.mermaid-block, .chart-block) {
  isolation: isolate;
}

:where(.message-content, .shared-message-content, .article-content) .mermaid-block svg {
  display: block;
  margin-inline: auto;
}

:where(.message-content, .shared-message-content, .article-content) .chart-block canvas {
  width: 100% !important;
  max-height: min(460px, 60vh);
}

@media (max-width: 575.98px) {
  :where(.message-content, .shared-message-content, .article-content) {
    font-size: 0.9rem;
    line-height: 1.62;
  }

  :where(.message-content, .shared-message-content, .article-content) table {
    min-width: 480px;
    font-size: 0.8rem;
  }

  :where(.message-content, .shared-message-content, .article-content) pre {
    padding: 12px;
    font-size: 0.78rem;
  }

  :where(.message-content, .shared-message-content, .article-content) :where(.code-copy-btn, .mermaid-png-btn, .chart-png-btn) {
    opacity: 1;
  }

  :where(.message-content, .shared-message-content, .article-content) .mermaid-block:has(svg[aria-roledescription="mindmap"]) svg {
    min-width: 560px;
  }
}