/* Local icon fallbacks so the app has no CDN dependency. */
.fas, .fab { font-style: normal; display: inline-block; line-height: 1; }
.fa-book::before { content: "📖"; }
.fa-github::before { content: "GitHub"; font-family: system-ui, sans-serif; font-size: .8em; font-weight: 700; }
.fa-chevron-left::before { content: "‹"; font-size: 1.45em; }
.fa-chevron-right::before { content: "›"; font-size: 1.45em; }

#offline-status {
  position: sticky;
  top: 0;
  z-index: 9999;
  padding: 8px 12px;
  text-align: center;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  background: #fff3cd;
  color: #664d03;
  border-bottom: 1px solid #ffecb5;
}
#offline-status[hidden] { display: none; }