/* Reading pages share the site theme; article language is fixed by its source. */
.reading-article-page {
  --reading-accent: #a46230;
  --reading-rule: color-mix(in srgb, var(--ink-4) 48%, transparent);
}

html[data-theme='dark'] .reading-article-page {
  --reading-accent: #edb681;
}

.reading-article-page *,
.reading-article-page *::before,
.reading-article-page *::after {
  box-sizing: border-box;
}

.reading-article-page a:focus-visible,
.reading-article-page summary:focus-visible {
  outline: 2px solid var(--reading-accent);
  outline-offset: 5px;
  border-radius: 3px;
}

.reading-skip {
  position: fixed;
  left: 20px;
  top: -100px;
  z-index: 1000;
  background: var(--surface-0);
  color: var(--ink-0);
  padding: 12px 18px;
  border: 1px solid var(--reading-accent);
}

.reading-skip:focus { top: 12px; }

.reading-article-shell {
  width: min(1120px, calc(100% - 64px));
  margin: 0 auto;
  padding: 38px 0 36px;
}

.reading-article-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
  font-size: 13px;
}

.reading-back,
.reading-translations a {
  color: var(--ink-2);
  text-decoration: none;
  transition: color 150ms ease;
}

.reading-back span { margin-right: 8px; }
.reading-back:hover,
.reading-translations a:hover { color: var(--reading-accent); }
.reading-translations { display: flex; gap: 14px; }

.reading-article-header,
.reading-article-cover,
.reading-toc-mobile,
.reading-article-main {
  width: min(100%, 760px);
}

.reading-article-header { margin-bottom: 34px; }

.reading-article-kicker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink-2);
  margin-bottom: 20px;
}

.reading-article-kicker a {
  color: var(--reading-accent);
  text-decoration: none;
  font-weight: 650;
}

.reading-article-kicker a:hover { text-decoration: underline; text-underline-offset: 4px; }
.reading-article-kicker > span[aria-hidden] { color: var(--ink-3); }

.reading-article-title h1 {
  margin: 0;
  color: var(--ink-0);
  font-family: var(--font-display, 'General Sans', 'PingFang SC', sans-serif);
  font-size: clamp(30px, 4.1vw, 49px);
  letter-spacing: -.035em;
  line-height: 1.3;
  font-weight: 650;
  text-wrap: balance;
  overflow-wrap: anywhere;
  scroll-margin-top: calc(var(--fh-site-nav-height, 72px) + 24px);
}

.reading-article-title h1 a {
  color: inherit;
  text-decoration: none;
}

.reading-article-description {
  color: var(--ink-2);
  font-size: 17px;
  line-height: 1.85;
  margin: 22px 0 24px;
  max-width: 700px;
}

.reading-article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--ink-2);
  font-size: 12px;
}

.reading-article-event-time {
  margin: -6px 0 22px;
  padding: 9px 13px;
  border-left: 2px solid var(--reading-accent);
  color: var(--ink-2);
  background: color-mix(in srgb, var(--reading-accent) 5%, var(--surface-0));
  font-size: 12px;
  line-height: 1.85;
  overflow-wrap: anywhere;
}
.reading-article-event-time > span { color: var(--ink-1); font-weight: 600; }
.reading-article-published { white-space: nowrap; }

.reading-author { color: var(--ink-1); font-weight: 600; }
.reading-article-meta > [aria-hidden] { color: var(--ink-3); }
.reading-article-updated { color: var(--ink-2); font-size: 12px; margin: 10px 0 0; }

.reading-article-cover {
  margin: 0 0 40px;
  overflow: hidden;
  border-radius: 16px;
  background: var(--surface-1);
}

.reading-article-cover img {
  display: block;
  width: 100%;
  height: auto;
}

.reading-article-grid {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(160px, 1fr);
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
}

.reading-article-main { min-width: 0; }
.reading-article-content { width: 100%; max-width: 700px; margin: 0; line-height: 1.95; }
.reading-article-content > :first-child { margin-top: 0; }
.reading-article-content:focus { outline: none; }
.reading-article-content p { margin: 1.15em 0; }
.reading-article-content h1,
.reading-article-content h2,
.reading-article-content h3,
.reading-article-content h4,
.reading-article-content h5,
.reading-article-content h6 {
  scroll-margin-top: calc(var(--fh-site-nav-height, 72px) + 24px);
  line-height: 1.5;
  letter-spacing: -.015em;
}
.reading-article-content h1,
.reading-article-content h2 {
  font-size: 1.55em;
  margin-top: 2.7em;
  border: 0;
  padding: 0;
}
.reading-article-content h3 { margin-top: 2.1em; font-size: 1.2em; }
.reading-article-content a { text-underline-offset: 4px; }
.reading-article-content blockquote {
  border-left-color: var(--reading-accent);
  background: color-mix(in srgb, var(--reading-accent) 5%, var(--surface-0));
  padding: 14px 20px;
}
.reading-article-content pre {
  max-width: 100%;
  font-size: .82em;
  line-height: 1.75;
}
.reading-article-content img { margin: 1.8em auto 1em; }
.reading-article-content p:has(> img:only-child) + p:has(> em:only-child) {
  color: var(--ink-2);
  font-size: 12px;
  line-height: 1.8;
  text-align: center;
  margin-top: -.3em;
}
.reading-article-content p:has(> img:only-child) + p > em:only-child { font-style: normal; }
.reading-article-content table {
  display: block;
  overflow-x: auto;
  max-width: 100%;
  width: max-content;
  font-size: .86em;
  line-height: 1.65;
  -webkit-overflow-scrolling: touch;
}
.reading-article-content th { white-space: nowrap; }
.reading-article-content th,
.reading-article-content td { min-width: 100px; }

.reading-toc-desktop {
  position: sticky;
  top: calc(var(--fh-site-nav-height, 72px) + 30px);
  max-height: calc(100dvh - var(--fh-site-nav-height, 72px) - 60px);
  overflow-y: auto;
  font-size: 12px;
  padding-left: 20px;
  border-left: 1px solid var(--reading-rule);
}
.reading-toc-desktop p { margin: 0 0 18px; color: var(--ink-0); font-weight: 600; }
.reading-toc-desktop ol,
.reading-toc-mobile ol { list-style: none; padding: 0; margin: 0; }
.reading-toc-desktop li + li,
.reading-toc-mobile li + li { margin-top: 12px; }
.reading-toc-desktop li[data-depth='3'],
.reading-toc-mobile li[data-depth='3'] { padding-left: 10px; }
.reading-toc-desktop a,
.reading-toc-mobile a { color: var(--ink-2); text-decoration: none; line-height: 1.65; }
.reading-toc-desktop a:hover,
.reading-toc-mobile a:hover { color: var(--reading-accent); }
.reading-toc-top { display: inline-block; margin-top: 26px; font-size: 11px; }
.reading-toc-mobile { display: none; }

.reading-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  list-style: none;
  padding: 28px 0;
  margin: 28px 0 0;
  color: var(--ink-2);
  font-size: 12px;
}

.reading-products {
  margin-top: 18px;
  padding: 28px 0 32px;
  border-top: 1px solid var(--reading-rule);
}
.reading-products__eyebrow {
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--reading-accent);
  margin: 0 0 8px;
}
.reading-products > h2 {
  margin: 0 0 20px;
  font-size: 22px;
  color: var(--ink-0);
  letter-spacing: -.02em;
}
.reading-products__grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr)); }
.reading-product {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--reading-rule);
  border-radius: 16px;
  color: var(--ink-1);
  text-decoration: none;
  background: color-mix(in srgb, var(--surface-1) 55%, transparent);
  transition: border-color 150ms ease, background-color 150ms ease;
}
.reading-product:hover { border-color: var(--reading-accent); background: var(--surface-1); }
.reading-product img { border-radius: 11px; flex: 0 0 44px; }
.reading-product h3 { margin: 0 0 7px; font-size: 18px; color: var(--ink-0); }
.reading-product p { margin: 0; font-size: 12px; line-height: 1.8; color: var(--ink-2); }
.reading-product__link { display: inline-block; margin-top: 15px; font-size: 12px; color: var(--reading-accent); }
.reading-product__link > span { margin-left: 8px; }

@media (max-width: 1023px) {
  .reading-article-shell { max-width: 760px; }
  .reading-article-grid { display: block; }
  .reading-article-content { max-width: none; }
  .reading-toc-desktop { display: none; }
  .reading-toc-mobile {
    display: block;
    border-top: 1px solid var(--reading-rule);
    border-bottom: 1px solid var(--reading-rule);
    margin: 0 0 32px;
    font-size: 13px;
  }
  .reading-toc-mobile summary {
    padding: 18px 0;
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--ink-1);
  }
  .reading-toc-mobile summary::-webkit-details-marker { display: none; }
  .reading-toc-mobile summary > span { color: var(--reading-accent); }
  .reading-toc-mobile[open] summary > span { transform: rotate(45deg); }
  .reading-toc-mobile nav { padding: 2px 0 22px; }
}

@media (max-width: 600px) {
  .reading-article-shell { width: calc(100% - 40px); padding: 24px 0 24px; }
  .reading-article-topline { margin-bottom: 32px; font-size: 12px; }
  .reading-article-kicker { margin-bottom: 16px; font-size: 11px; gap: 9px; }
  .reading-article-title h1 { font-size: 30px; letter-spacing: -.025em; line-height: 1.4; }
  .reading-article-description { font-size: 15px; margin: 18px 0 20px; }
  .reading-article-meta { font-size: 11px; gap: 8px; }
  .reading-article-cover { border-radius: 12px; margin-bottom: 28px; }
  .reading-article-header { margin-bottom: 28px; }
  .reading-article-content { font-size: 16px; line-height: 1.95; }
  .reading-article-content h1,
  .reading-article-content h2 { font-size: 1.35em; }
  .reading-article-content pre { border-radius: 10px; padding: 16px; }
  .reading-product { padding: 18px; }
}

@media print {
  .fh-site-nav,
  .reading-article-topline,
  .reading-toc-desktop,
  .reading-toc-mobile,
  .reading-products,
  .reading-skip { display: none !important; }
  .reading-article-shell { width: 100%; padding: 0; }
  .reading-article-grid { display: block; }
  .reading-article-content { max-width: none; }
  .reading-article-page { background: #fff; color: #111; }
}