.post-page {
  background: var(--background);
}

.embed-lab .post-page .site-header,
.embed-lab .post-page footer {
  display: none;
}

.reading-progress {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  pointer-events: none;
}

.reading-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: #79b7f2;
  transition: transform 80ms linear;
}

.post-banner {
  padding: 50px 24px 46px;
  border: 0;
  background:
    radial-gradient(circle at 80% 10%, rgb(255 255 255 / 10%), transparent 300px),
    linear-gradient(135deg, #345f8a 0%, #284e72 58%, #1d3b58 100%);
  color: #fff;
  text-align: center;
}

.post-banner-inner {
  max-width: 940px;
  margin-inline: auto;
}

.post-kicker {
  margin-bottom: 14px;
  color: rgb(255 255 255 / 66%);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.post-kicker a {
  color: rgb(255 255 255 / 88%);
}

.post-banner h1 {
  max-width: 780px;
  margin: 0 auto 20px;
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: clamp(28px, 3.6vw, 37px);
  font-weight: 700;
  letter-spacing: -0.028em;
  line-height: 1.2;
}

.post-tags {
  display: flex;
  margin-bottom: 15px;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.post-tags span {
  padding: 4px 10px;
  border: 1px solid rgb(255 255 255 / 30%);
  border-radius: 999px;
  color: rgb(255 255 255 / 84%);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.post-byline {
  margin: 0;
  color: rgb(255 255 255 / 66%);
  font-size: 14px;
}

.post-byline span {
  margin-inline: 6px;
}

.post-layout {
  display: grid;
  width: min(calc(100% - 48px), 1120px);
  margin-inline: auto;
  padding: 46px 0 70px;
  grid-template-columns: 205px minmax(0, 820px);
  justify-content: center;
  gap: 48px;
}

.toc-sidebar {
  position: sticky;
  top: 26px;
  align-self: start;
  max-height: calc(100vh - 52px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.toc-heading {
  margin-bottom: 11px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.toc-sidebar > ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc-sidebar li {
  margin: 0;
}

.toc-sidebar a {
  display: block;
  padding: 6px 0 6px 11px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.toc-sidebar a:hover,
.toc-sidebar a[aria-current="location"] {
  border-left-color: var(--link);
  color: var(--link);
  text-decoration: none;
}

.toc-sidebar a[aria-current="location"] {
  font-weight: 650;
}

.post-content {
  min-width: 0;
  color: var(--text);
}

.post-content > p:first-child {
  margin-bottom: 30px;
  padding: 17px 20px;
  border-left: 4px solid var(--link);
  background: var(--badge);
  color: var(--text);
  font-size: 18px;
  line-height: 1.65;
}

.post-content p {
  margin-bottom: 19px;
  font-size: 17px;
  line-height: 1.7;
}

.post-content h2,
.post-content h3 {
  scroll-margin-top: 24px;
}

.post-content h2 {
  margin: 52px 0 20px;
  padding-bottom: 9px;
  border-bottom: 2px solid var(--line);
  color: var(--link);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 29px;
  font-weight: 500;
  letter-spacing: -0.018em;
  line-height: 1.25;
}

.post-content h2:first-of-type {
  margin-top: 42px;
}

.post-content h3 {
  margin: 38px 0 15px;
  color: var(--text);
  font-size: 20px;
  font-weight: 650;
  line-height: 1.35;
}

.post-content ul,
.post-content ol {
  margin: 0 0 22px;
  padding-left: 24px;
}

.post-content li {
  margin-bottom: 8px;
  padding-left: 3px;
  font-size: 17px;
  line-height: 1.65;
}

.post-content blockquote {
  margin: 25px 0;
  padding: 15px 20px;
  border-left: 4px solid #c9972e;
  background: #fff8e7;
  color: #4d3c17;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  font-style: italic;
}

.post-content blockquote p:last-child {
  margin-bottom: 0;
}

.post-content code {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--badge);
  color: var(--link);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.86em;
}

.post-content pre {
  margin: 24px 0;
  padding: 18px 20px;
  overflow-x: auto;
  border: 1px solid #2d3833;
  border-radius: 9px;
  background: #1c2421;
  color: #e7eee9;
  font-size: 13px;
  line-height: 1.55;
}

.post-content pre code {
  padding: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
}

.post-content figure {
  margin: 32px 0 38px;
}

.post-content figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.post-content figcaption {
  max-width: 720px;
  margin: 10px auto 0;
  color: var(--muted);
  font-size: 12px;
  font-style: italic;
  line-height: 1.55;
  text-align: center;
}

.table-wrap {
  max-width: 100%;
  margin: 26px 0 30px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}

.post-content table {
  width: 100%;
  min-width: 590px;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.post-content th,
.post-content td {
  padding: 10px 13px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.post-content th {
  background: var(--badge);
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.015em;
}

.post-content tr:last-child td {
  border-bottom: 0;
}

.post-content a {
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--link) 38%, transparent);
  text-underline-offset: 3px;
}

.post-content hr {
  height: 1px;
  margin: 45px 0;
  border: 0;
  background: var(--line);
}

@media (max-width: 850px) {
  .post-layout {
    width: min(calc(100% - 40px), 820px);
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .toc-sidebar {
    position: static;
    max-height: none;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line);
  }

  .toc-sidebar > ul {
    columns: 2;
    column-gap: 24px;
  }

  .toc-sidebar li {
    break-inside: avoid;
  }
}

@media (max-width: 600px) {
  .post-banner {
    padding: 40px 20px 36px;
  }

  .post-banner h1 {
    font-size: 26px;
  }

  .post-byline {
    line-height: 1.55;
  }

  .post-layout {
    width: calc(100% - 40px);
    padding-top: 34px;
  }

  .toc-sidebar > ul {
    columns: 1;
  }

  .post-content > p:first-child {
    padding: 15px 16px;
    font-size: 16px;
  }

  .post-content p,
  .post-content li {
    font-size: 15px;
  }

  .post-content h2 {
    margin-top: 44px;
    font-size: 25px;
  }

  .post-content h3 {
    font-size: 18px;
  }

  .post-content blockquote {
    padding: 13px 16px;
    font-size: 17px;
  }
}

@media (prefers-color-scheme: dark) {
  .post-content blockquote {
    background: #2d281b;
    color: #e3d8b9;
  }

  .post-content figure img {
    background: #fff;
  }
}