/* Reader shell only: approved text, notation and print assets are unchanged. */
.reader-layout {
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 20px;
  max-width: 1500px;
  padding-inline: 20px;
}
.reader-layout.sidebar-hidden { grid-template-columns: minmax(0, 1fr); }
.reader-layout .reader { width: 100%; max-width: none; }
.reader-layout .sidebar {
  top: calc(var(--reader-top, 92px) + 12px);
  max-height: calc(100dvh - var(--reader-top, 92px) - 28px);
  padding-block: 18px;
}
.sidebar a { gap: 8px; padding: 9px 7px; font-size: 14px; }
.sidebar-heading { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-bottom: 12px; }
.sidebar-heading .eyebrow { margin: 0; }
.sidebar-close {
  background: transparent; border: 1px solid #b6c8b5; border-radius: 5px;
  padding: 4px 8px; min-height: 34px; font-size: 13px;
}
.sidebar-toggle {
  display: inline-flex; align-items: center; gap: 8px; min-height: 40px;
  padding: 8px 12px; border: 1px solid #9bb5aa; border-radius: 6px;
  background: #fffefb; color: #214d45; font-size: 14px; white-space: nowrap;
}
.sidebar-toggle:hover, .sidebar-close:hover { background: #e6ede6; }
.topbar { gap: 18px; flex-wrap: wrap; }
.reader-layout .native { padding: 22px 24px; font-size: 19px; }
.reader-layout .native:has(.approved-page) { padding: 0; border: 0; background: transparent; }
.native .approved-page { margin: 0; padding: 0; width: 100%; }
.native .approved-page img { width: 100%; max-width: none; height: auto; border: 0; }
@media (max-width: 760px) {
  .reader-layout { display: block; padding-inline: 12px; }
  .reader-layout .native { padding: 18px; font-size: 18px; }
  .reader-layout .native:has(.approved-page) { padding: 0; }
  .reader-layout .sidebar:not([hidden]) {
    display: block; position: fixed; z-index: 29;
    top: calc(var(--reader-top, 130px) + 8px); right: 12px;
    width: min(240px, calc(100vw - 24px)); padding: 16px;
    border: 1px solid #cbd6cc; border-radius: 8px;
    background: #fffefb; box-shadow: 0 12px 36px #18332630;
  }
  .sidebar-toggle { font-size: 13px; padding: 7px 10px; }
}
@media print {
  .sidebar-toggle, .sidebar-close { display: none !important; }
  .reader-layout { display: block; padding: 0; max-width: none; }
  .reader-layout .native { padding: 0; }
}