.workspace:has(.reading-sample) {
  max-width: 1200px;
  grid-template-columns: minmax(0, 790px) 180px;
  gap: 64px;
}
.reading-sample {
  max-width: 790px;
  padding-top: 54px;
  padding-bottom: 52px;
}
.reading-sample .crumb {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
  font-size: 0.875rem;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
  font-size: 0.8125rem;
  margin-bottom: 16px;
}
.sample-badge {
  color: var(--accent-strong);
  background: var(--ground);
  border: 1px solid var(--line);
  padding: 2px 9px;
  border-radius: 4px;
}
.reading-sample h1 {
  scroll-margin-top: 100px;
  font-size: clamp(2rem, 3vw, 2.75rem);
  letter-spacing: -0.8px;
  line-height: 1.35;
}
.article-lead {
  font-size: 1.125rem;
  color: var(--muted);
  line-height: 1.85;
  margin: 20px 0 24px;
  max-width: 640px;
}
.article-path {
  display: flex;
  gap: 13px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.875rem;
  padding: 15px 0 24px;
  border-bottom: 1px solid var(--line);
}
.article-path i {
  color: var(--subtle);
  font-style: normal;
}
.article-section {
  padding-top: 44px;
}
.article-section h2 {
  font-size: 1.45rem;
  letter-spacing: -0.3px;
  margin-bottom: 20px;
  scroll-margin-top: 100px;
}
.article-section p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.95;
  margin: 16px 0;
}
.article-section a,
.callout a {
  color: var(--ink);
  text-decoration-color: var(--line);
  text-underline-offset: 5px;
}
.article-section strong {
  font-weight: 600;
  color: var(--ink);
}
.reading-sample :not(pre) > code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.87em;
  padding: 2px 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--ground);
  color: var(--ink);
  overflow-wrap: anywhere;
}
.callout {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border-left: 2px solid var(--line);
  background: var(--ground);
  padding: 19px 22px;
  margin: 26px 0 8px;
}
.callout strong {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
}
.callout p {
  font-size: 0.9375rem;
  color: var(--muted);
  margin: 6px 0 0;
  line-height: 1.85;
}
.callout-symbol {
  width: 20px;
  height: 20px;
  line-height: 19px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--ink);
  font-size: 0.8125rem;
}
.callout.caution {
  background: var(--alert-bg);
  border-color: var(--line);
}
.callout.caution strong {
  color: var(--alert-ink);
}
.callout.caution p {
  color: var(--alert-ink);
}
.callout.caution .callout-symbol {
  color: var(--alert-ink);
  border-color: var(--line);
}
.code-block {
  min-width: 0;
  margin: 24px 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--code-bg);
}
.code-block figcaption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 16px;
  background: var(--ground);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8125rem;
}
.code-block figcaption > div {
  display: flex;
  align-items: center;
  gap: 14px;
}
.code-language {
  color: var(--muted);
  font-family: ui-monospace, Consolas, monospace;
}
.code-block button {
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 3px 9px;
  font-size: 0.8125rem;
  min-width: 48px;
}
.code-block button:hover {
  background: var(--hover);
  color: var(--ink);
}
.code-block pre {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.875rem;
  line-height: 1.9;
  margin: 0;
  padding: 22px;
  overflow-x: auto;
  tab-size: 4;
  color: var(--ink);
  scrollbar-width: thin;
}
.code-block pre:focus-visible,
.table-scroll:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -3px;
}
.code-block pre code {
  font: inherit;
}
.syntax-string {
  color: var(--code-string);
}
.syntax-number {
  color: var(--code-number);
}
.syntax-keyword {
  color: var(--code-keyword);
}
.syntax-comment {
  color: var(--muted);
}
.table-scroll {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  scrollbar-width: thin;
}
.reading-sample table {
  border-collapse: collapse;
  width: 100%;
  min-width: 540px;
  text-align: left;
  font-size: 0.9375rem;
  line-height: 1.8;
}
.reading-sample caption {
  text-align: left;
  padding: 14px 18px;
  font-size: 0.8125rem;
  color: var(--muted);
  background: var(--ground);
  border-bottom: 1px solid var(--line);
}
.reading-sample th,
.reading-sample td {
  padding: 14px 18px;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.reading-sample thead th {
  background: var(--ground);
  color: var(--ink);
  font-weight: 550;
  white-space: nowrap;
}
.reading-sample tbody th {
  font-weight: 500;
  color: var(--ink);
  min-width: 126px;
}
.reading-sample td {
  color: var(--muted);
}
.reading-sample tbody tr:last-child > * {
  border-bottom: 0;
}
.learning-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--ground);
  margin-top: 24px;
}
.learning-diagram div {
  display: grid;
  gap: 5px;
}
.learning-diagram span {
  font-size: 0.8125rem;
  color: var(--muted);
}
.learning-diagram strong {
  font-size: 1rem;
}
.learning-diagram small {
  font-size: 0.8125rem;
  color: var(--muted);
}
.learning-diagram > b {
  color: var(--subtle);
  font-weight: 400;
}
.article-section .figure-caption {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 10px 0 22px;
}
.check-list {
  padding: 0;
  list-style: none;
  margin: 24px 0;
}
.check-list li {
  position: relative;
  padding: 0 0 18px 29px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.9;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--muted);
}
.article-details {
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0 20px;
  margin: 20px 0;
}
.article-details summary {
  padding: 16px 0;
  cursor: pointer;
  color: var(--ink);
  font-size: 0.9375rem;
}
.article-details p {
  margin: 0 0 18px;
  font-size: 0.9375rem;
}
.reading-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 26px 0;
}
.reading-next a {
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 22px;
  text-decoration: none;
  background: var(--ground);
}
.reading-next a:hover {
  background: var(--hover);
  border-color: var(--line);
}
.reading-next span {
  font-size: 0.8125rem;
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
}
.reading-next strong {
  display: block;
  font-size: 1rem;
}
.reading-next p {
  font-size: 0.875rem;
  margin: 9px 0 0;
  color: var(--muted);
}
.article-provenance {
  font-size: 0.8125rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-top: 36px;
  line-height: 1.85;
}
@media (max-width: 1180px) {
  .workspace:has(.reading-sample) {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
}
@media (max-width: 680px) {
  .reading-sample {
    padding-top: 32px;
  }
  .article-section {
    padding-top: 34px;
  }
  .article-section h2 {
    font-size: 1.3rem;
  }
  .article-lead {
    font-size: 1.0625rem;
  }
  .reading-sample .crumb {
    margin-bottom: 22px;
  }
  .article-path {
    gap: 8px;
    font-size: 0.8125rem;
  }
  .callout {
    padding: 16px;
    gap: 12px;
  }
  .learning-diagram {
    padding: 20px;
    gap: 12px;
    grid-template-columns: 1fr;
  }
  .learning-diagram > b {
    transform: rotate(90deg);
    width: 16px;
  }
  .reading-next {
    grid-template-columns: 1fr;
  }
  .code-block pre {
    padding: 18px;
    font-size: 0.8125rem;
  }
  .code-block figcaption {
    padding: 10px 12px;
  }
  .article-section p {
    line-height: 1.9;
  }
}

.copy-page {
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--ground);
  color: var(--muted);
  padding: 5px 9px;
  font-size: 0.75rem;
}
.copy-page:hover {
  color: var(--ink);
  background: var(--hover);
}
.copy-link-fallback {
  width: 100%;
  color: var(--ink);
  background: var(--ground);
  border: 1px solid var(--line);
  padding: 8px;
}
.chapter-link {
  margin-left: 9px;
  color: var(--subtle);
  text-decoration: none;
  font-size: 0.8em;
  opacity: 0;
}
h2:hover .chapter-link,
.chapter-link:focus-visible {
  opacity: 1;
}
.article-directory {
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}
.source-file {
  scroll-margin-top: 100px;
}
.source-file summary span {
  float: right;
  margin-left: 12px;
  color: var(--subtle);
  font-size: 0.75rem;
  font-weight: 400;
}
.source-file .code-block {
  margin-top: 15px;
}
.source-file pre {
  max-height: 460px;
  overflow: auto;
}
.example-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 20px;
  color: var(--muted);
  font-size: 0.8rem;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.example-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 28px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--ground);
}
.example-preview h3 {
  font-size: 1.25rem;
  margin: 18px 0 0;
}
.example-preview p {
  font-size: 0.9rem;
}
.example-preview-mark {
  padding: 28px 5px;
}
.example-window-tag {
  display: block;
  width: max-content;
  margin: 0 auto 12px;
  padding: 8px 28px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: var(--raised);
  color: var(--muted);
  font-size: 0.75rem;
}
.example-window-body {
  padding: 28px 23px;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 20px 20px 44px 20px;
  box-shadow: 0 12px 24px var(--shadow);
}
.example-window-body > span {
  color: var(--subtle);
  font-size: 0.75rem;
}
.example-window-body strong {
  display: block;
  margin: 10px 0 24px;
}
.example-preview-controls {
  display: flex;
  gap: 8px;
}
.example-preview-controls i {
  width: 28px;
  height: 8px;
  border-radius: 5px;
  background: var(--line);
}
.example-preview-controls i:first-child {
  background: var(--accent-control);
}
.example-flow > div {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--raised);
  padding: 22px;
}
.example-flow > div > span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 8px;
}
.example-flow strong {
  font-size: 0.95rem;
}
.example-flow > p {
  display: flex;
  justify-content: space-around;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--accent);
}
.article-section .media-status {
  font-size: 0.875rem;
  border-left: 2px solid var(--line);
  padding-left: 16px;
}
@media (max-width: 900px) {
  .example-preview {
    grid-template-columns: 1fr;
  }
}

.article-steps {
  padding-left: 1.5em;
  color: var(--muted);
  line-height: 1.9;
}
.article-steps li {
  padding-left: 6px;
  margin: 12px 0;
}
.article-steps li::marker {
  color: var(--accent);
  font-weight: 600;
}

.instruction-block pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}