@media (max-width: 600px) {
  .topbar { padding: 12px 20px; }
  .library-main, .paper-main { padding: 24px 20px 40px; }
  .paper-header h1 { font-size: 24px; }
  .library-header h1 { font-size: 26px; }
  .tab-bar { gap: 20px; }
  .tab-bar button { font-size: 13px; }
  .tab-bar button span { font-size: 11px; }
  .paper-content table { font-size: 10px; }
  .paper-content td, .paper-content th { padding: 6px; min-width: 45px; }
}
@media print {
  .topbar, .outline, .tab-bar, .back-link, dialog, .search-box, .skip-link { display: none !important; }
  .library-main, .paper-main { max-width: none; padding: 0; }
  [role="tabpanel"][hidden] { display: block !important; }
  .equation-disclosure { border: 0; }
  .paper-content figure { break-inside: avoid; }
  :root, :root[data-theme="dark"] { --background: white; --surface: white; --text: black; --muted: #444; --accent: #333; --soft: #f6f6f6; --line: #ddd; color-scheme: light; }
}