@scope (body[data-design]) {
  .study-notes {
    font-size: 13px;
    line-height: 1.85;
  }
  .study-notes :is(h2, h3) {
    margin: 24px 0 12px;
    line-height: 1.4;
  }
  .study-notes h2 {
    font-size: 20px;
  }
  .study-notes h3 {
    font-size: 16px;
  }
  .study-notes p {
    margin: 12px 0;
  }
  .study-notes a {
    color: var(--color-focus);
    text-underline-offset: 3px;
  }
  .study-notes pre {
    background: var(--color-surface-soft);
    border-radius: 12px;
    padding: 16px;
    overflow: auto;
    font-size: 12px;
  }
  .study-notes :is(img, svg, iframe) {
    max-width: 100%;
  }
  .study-notes table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
  }
  .study-notes :is(th, td) {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid var(--color-line);
  }
  .study-notes :is(blockquote, .callout) {
    margin: 18px 0;
    padding: 16px;
    border-radius: 12px;
    background: var(--color-surface-soft);
    color: inherit;
  }
  .study-notes section {
    margin: 24px 0;
  }
  .summary-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 30px;
  }
  .summary-masthead {
    border-bottom: 1px solid var(--color-line);
    padding: 24px 0;
    margin-bottom: 28px;
  }
  .summary-masthead h1 {
    font-size: 28px;
    line-height: 1.3;
    margin: 14px 0;
  }
  .summary-masthead-label,
  .summary-masthead-course {
    font-size: 11px;
    color: var(--color-muted);
  }
  .summary-content {
    max-width: 75ch;
    margin: auto;
    font-size: 14px;
    line-height: 1.85;
  }
  .summary-content :is(h2, h3) {
    margin: 24px 0 12px;
  }
  .summary-block {
    margin: 20px 0;
  }
  .summary-table {
    overflow: auto;
  }
  .summary-content table {
    width: 100%;
    border-collapse: collapse;
  }
  .summary-content :is(th, td) {
    text-align: left;
    padding: 10px;
    border-bottom: 1px solid var(--color-line);
  }
  .summary-content pre {
    padding: 16px;
    background: var(--color-surface-soft);
    border-radius: 12px;
    overflow: auto;
  }
  .summary-content p {
    margin: 12px 0;
  }
  .summary-content img {
    max-width: 100%;
  }
  .summary-content .callout,
  .summary-callout {
    background: var(--color-surface-soft);
    padding: 16px;
    border-radius: 12px;
    color: inherit;
  }
  .summary-preparing-art {
    width: 100px;
    height: 100px;
    object-fit: contain;
  }
  .summary-progress-track {
    height: 5px;
    background: var(--color-line);
    margin-top: 18px;
    border-radius: 5px;
    overflow: hidden;
  }
  .summary-progress-track > span {
    height: 100%;
    display: block;
    background: var(--color-action);
  }
  .summary-progress-copy {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--color-muted);
  }
  @media (max-width: 640px) {
    .summary-toolbar {
      flex-wrap: wrap;
    }
  }
  .study-week-summary {
    color: var(--color-muted);
    font-size: 12px;
    margin-top: 16px;
  }
  .summary-actions-menu {
    inset: 80px 24px auto auto;
    padding: 6px;
    min-width: 200px;
    border: 1px solid var(--color-line);
    border-radius: 14px;
    background: white;
  }
  .summary-actions-menu :is(a, button) {
    display: block;
    width: 100%;
    padding: 12px;
    border: 0;
    background: none;
    color: inherit;
    text-decoration: none;
    text-align: left;
    font-size: 12px;
  }
  .summary-actions-menu :is(a, button):hover {
    background: var(--color-surface-soft);
    border-radius: 8px;
  }
  .summary-reading-controls {
    position: sticky;
    top: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: white;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-line);
    margin-bottom: 20px;
    font-size: 11px;
  }
  .summary-progress-bar {
    position: absolute;
    inset: auto 0 0;
    height: 2px;
    background: var(--color-action);
    transform-origin: left;
    transform: scaleX(0);
  }
  .summary-reading-status progress {
    width: 60px;
    height: 4px;
  }
  .summary-outline nav {
    padding: 14px 0;
    max-width: 70ch;
  }
  .summary-outline ol {
    margin: 0;
    padding-left: 16px;
    line-height: 2;
  }
  .summary-outline a {
    text-decoration: none;
    color: var(--color-muted);
  }
  .summary-outline a[aria-current] {
    color: var(--color-text);
  }
  .summary-reading-status {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .summary-new {
    margin: 24px 0;
  }
  .summary-request {
    max-width: 700px;
    line-height: 1.6;
  }
  .summary-request > div {
    margin: 18px 0;
  }
  .summary-request label {
    display: block;
    margin-bottom: 8px;
  }
  .summary-library-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
  .summary-library-card {
    display: block;
    padding: 20px;
    border: 1px solid var(--color-line);
    border-radius: 16px;
    text-decoration: none;
  }
  .summary-library-card h2 {
    margin: 10px 0;
  }
  .summary-library-card p {
    color: var(--color-muted);
    font-size: 12px;
  }
  .summary-self-check,
  .summary-question,
  .self-check {
    margin: 16px 0;
    padding: 16px;
    background: var(--color-surface-soft);
    border-radius: 12px;
  }
  .summary-preparing {
    max-width: 650px;
    padding: 30px 0;
  }
  .summary-content :is(.summary-comparison, .summary-flow, .summary-sequence) {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }
  .summary-content blockquote {
    background: var(--color-surface-soft);
    border-radius: 12px;
    padding: 18px;
    margin: 20px 0;
  }
  .summary-content .summary-bar-track {
    background: var(--color-surface-soft);
    height: 12px;
    border-radius: 6px;
  }
  .summary-content .summary-bar-fill {
    background: var(--color-action);
    height: 100%;
    border-radius: 6px;
  }
  @media (max-width: 640px) {
    .summary-library-grid {
      grid-template-columns: 1fr;
    }
    .summary-progress-copy {
      gap: 15px;
    }
  }
  .sample-reader-note {
    color: var(--color-muted);
    font-size: 12px;
    margin-bottom: 24px;
  }
  .summary-share-cta {
    padding: 24px 0;
    border-top: 1px solid var(--color-line);
    margin-top: 30px;
  }
  .summary-library-course,
  .summary-library-meta {
    display: block;
    color: var(--color-muted);
    font-size: 11px;
  }
  .summary-library-copy {
    display: grid;
    gap: 10px;
    margin: 14px 0;
  }
  .summary-library-copy strong {
    font-size: 15px;
    font-weight: 500;
  }
  .summary-library-copy > span {
    font-size: 12px;
    line-height: 1.7;
    color: var(--color-muted);
  }
  .summary-library-meta {
    display: flex;
    justify-content: space-between;
  }
  .summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin-top: 24px;
  }
  .summary-card {
    padding: 20px;
    border: 1px solid var(--color-line);
    border-radius: 16px;
  }
  .summary-card-link {
    text-decoration: none;
  }
  .summary-card-label {
    font-size: 11px;
    color: var(--color-muted);
  }
  .summary-card h3 {
    margin: 12px 0;
  }
  .summary-card p {
    font-size: 12px;
    line-height: 1.7;
    color: var(--color-muted);
  }
  .summary-card-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 18px;
    font-size: 11px;
  }
  @media (max-width: 640px) {
    .summary-grid {
      grid-template-columns: 1fr;
    }
  }
}

/* Keep page titles close to the workspace frame across navigation tabs. */
.app .main > .page,
.app .main > .summary-page {
  padding-top: 8px;
}