/* Mobile catalog viewer hotfix, 2026-07-27.
   Scoped to the public viewer chrome and TOC drawer only. */
@media (max-width: 560px) {
  .catalog-shell .topbar {
    gap: 6px;
    overflow: hidden;
    padding: 8px max(8px, env(safe-area-inset-right)) 8px max(8px, env(safe-area-inset-left));
  }

  .catalog-shell .topbar .toolbar {
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: center;
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
    padding: 1px 2px 5px;
    scrollbar-width: none;
  }

  .catalog-shell .topbar .toolbar::-webkit-scrollbar {
    display: none;
  }

  .catalog-shell .topbar .toolbar .icon-button,
  .catalog-shell .topbar .lead-cta-button {
    flex: 0 0 36px;
    width: 36px;
    height: 36px;
  }
}

.toc-panel-view {
  max-width: 100vw;
  box-sizing: border-box;
  overflow: hidden;
}

.toc-panel-head {
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.toc-panel-title {
  min-width: 0;
  overflow-wrap: anywhere;
}

.toc-panel-list {
  min-width: 0;
  max-width: 100%;
}

.toc-panel-row {
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.toc-panel-row-title {
  flex: 1 1 auto;
  min-width: 0;
}

#book.mobile-single-flip-viewport {
  overflow: hidden;
}

#book.mobile-single-flip-viewport .pageflip-mount {
  transform: translateX(calc(var(--page-width, 0px) * -1));
}

@media (max-width: 560px) {
  .toc-panel-view {
    left: 3px;
    right: 3px;
    inset-inline-start: 3px;
    inset-inline-end: 3px;
    width: auto;
    max-width: calc(100vw - 6px);
  }

  .toc-panel-list {
    padding: 8px;
  }

  .toc-panel-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 32px;
    align-items: center;
    justify-content: stretch;
    column-gap: 16px;
    padding: 10px 8px;
  }

  .toc-panel-row-title {
    display: -webkit-box;
    grid-column: 1;
    max-width: none;
    min-width: 0;
    white-space: normal;
    overflow-wrap: anywhere;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.25;
  }

  .toc-panel-row-page {
    grid-column: 2;
    justify-self: center;
    width: 32px;
    min-width: 32px;
    box-sizing: border-box;
    padding-inline: 0;
  }
}