.mobile-app {
  min-height: 100dvh;
  padding-top: env(safe-area-inset-top);
  -webkit-tap-highlight-color: rgba(143, 212, 194, 0.16);
  overscroll-behavior-y: contain;
}

.mobile-app .app-shell,
.mobile-app .library,
.mobile-app .reader,
.mobile-app .media-lab {
  min-height: 100dvh;
}

.mobile-app button,
.mobile-app input,
.mobile-app select,
.mobile-app summary {
  touch-action: manipulation;
}

@media (max-width: 700px) {
  .mobile-app .library {
    width: calc(100% - 24px);
    padding-top: 28px;
    padding-bottom: calc(48px + env(safe-area-inset-bottom));
  }

  .mobile-app .library::before {
    top: 28px;
    right: -46px;
    transform: scale(0.78);
  }

  .mobile-app .library-top {
    margin-bottom: 22px;
    padding-right: 28px;
  }

  .mobile-app .library h1 {
    max-width: 11ch;
    font-size: 2.55rem;
    line-height: 1;
  }

  .mobile-app .library-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mobile-app .library-actions .ghost-button {
    width: 100%;
    min-height: 46px;
    padding: 8px 10px;
  }

  .mobile-app .library-note {
    grid-column: 1 / -1;
    margin: 0;
  }

  .mobile-app .url-import input,
  .mobile-app .url-import button {
    min-height: 48px;
  }

  .mobile-app .book-card {
    min-height: 156px;
    padding: 18px;
  }

  .mobile-app .reader {
    padding-bottom: calc(20px + env(safe-area-inset-bottom));
  }

  .mobile-app .reader-bar {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 9px;
    padding: 10px 12px;
  }

  .mobile-app .reader-bar > div:nth-child(2) {
    min-width: 0;
  }

  .mobile-app .reader-bar .eyebrow {
    display: none;
  }

  .mobile-app .reader-bar h1 {
    display: -webkit-box;
    max-height: 2.5em;
    font-size: 1rem;
    line-height: 1.2;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .mobile-app .reader-bar .ghost-button {
    min-height: 44px;
    padding: 0 11px;
  }

  .mobile-app .compatibility {
    min-width: 0;
    padding: 6px 9px;
  }

  .mobile-app .compatibility span {
    font-size: 0.62rem;
  }

  .mobile-app .compatibility strong {
    font-size: 0.95rem;
  }

  .mobile-app .reader-layout {
    width: 100%;
    gap: 0;
  }

  .mobile-app .page {
    min-height: 76dvh;
    padding: 28px 18px 40px;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
    font-size: calc(1.06rem * var(--reader-scale));
  }

  .mobile-app .side-rail {
    gap: 0;
  }

  .mobile-app .side-rail > .quiet-card {
    display: none;
  }

  .mobile-app .word-token {
    padding: 2px;
  }

  .mobile-app .word-lens.is-sheet,
  .mobile-app .emoji-lens.is-sheet,
  .mobile-app .breakdown-panel.is-sheet {
    right: 8px;
    bottom: calc(8px + env(safe-area-inset-bottom));
    left: 8px;
    max-height: 76dvh;
  }

  .mobile-app .reader-tools {
    width: calc(100% - 16px);
    margin: 10px auto 0;
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
  }

  .mobile-app .breakdown-toggle {
    min-height: 42px;
    flex: 1 1 100%;
  }

  .mobile-app .media-lab-bar {
    padding-top: 10px;
  }

  .mobile-app .media-workspace {
    width: calc(100% - 16px);
  }
}