:root {
  --manual-rail-width: 220px;
  --manual-chapter-gap: 34px;
  --manual-mark-size: 46px;
  --manual-code-line: 1.72;
}

.manual-hero {
  position: relative;
  padding-top: clamp(70px, 9vw, 118px);
  padding-bottom: clamp(64px, 8vw, 104px);
  overflow: hidden;
  border-bottom: 1px solid var(--color-line);
}

.manual-hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -12%;
  width: min(62vw, 820px);
  height: min(62vw, 820px);
  border-radius: var(--radius-pill);
  background:
    radial-gradient(closest-side, var(--color-mint), var(--color-mint-clear)),
    radial-gradient(closest-side, var(--color-sky), var(--color-sky-clear));
  pointer-events: none;
}

.manual-hero .wrap {
  position: relative;
  z-index: 1;
}

.manual-hero h1 {
  margin-top: 22px;
}

.manual-hero .fact-row {
  margin-top: 28px;
}

.manual-hero .callout {
  margin-bottom: 0;
}

.manual-index {
  display: grid;
  grid-template-columns: minmax(230px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.manual-index h2 {
  margin-top: 18px;
}

.manual-index p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.manual-index .toc {
  box-shadow: none;
}

.manual-body {
  display: grid;
  grid-template-columns: var(--manual-rail-width) minmax(0, 1fr);
  gap: clamp(38px, 6vw, 76px);
  align-items: start;
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.manual-side {
  position: relative;
  align-self: stretch;
}

.manual-side__toc {
  position: sticky;
  top: calc(var(--header-height) + 18px);
  display: grid;
  gap: 4px;
  padding: 12px;
}

.manual-side__toc a {
  width: 100%;
}

.manual-article {
  min-width: 0;
}

.manual-chapter {
  position: relative;
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.manual-chapter + .manual-chapter {
  margin-top: var(--manual-chapter-gap);
}

.manual-chapter h2 {
  padding-right: calc(var(--manual-mark-size) + 12px);
}

.manual-chapter h3 {
  margin-top: 2em;
}

.manual-chapter p {
  text-align: justify;
}

.chapter-mark {
  position: absolute;
  top: clamp(25px, 4vw, 42px);
  right: clamp(24px, 4vw, 42px);
  display: grid;
  width: var(--manual-mark-size);
  height: var(--manual-mark-size);
  place-items: center;
  border: 1px solid var(--color-accent-soft);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
}

.table-scroll {
  max-width: 100%;
  margin-top: 28px;
  margin-bottom: 30px;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  -webkit-overflow-scrolling: touch;
}

.table-scroll table {
  min-width: 690px;
}

.table-scroll th {
  white-space: nowrap;
}

.table-scroll tr:last-child td {
  border-bottom: 0;
}

.manual-chapter pre {
  line-height: var(--manual-code-line);
}

.diagnostic-flow {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  margin-bottom: 30px;
}

.diagnostic-flow__item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 15px;
  align-items: start;
  padding: 17px 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel-muted);
}

.diagnostic-flow__item > span {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 800;
}

.diagnostic-flow__item strong {
  display: block;
  color: var(--color-text);
}

.diagnostic-flow__item p {
  margin-top: 3px;
  margin-bottom: 0;
  color: var(--color-text-muted);
  text-align: left;
}

.manual-article .end-store-card {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

@media (max-width: 960px) {
  .manual-index {
    grid-template-columns: minmax(0, 1fr);
  }

  .manual-body {
    grid-template-columns: minmax(0, 1fr);
  }

  .manual-side {
    display: none;
  }
}

@media (max-width: 640px) {
  :root {
    --manual-chapter-gap: 22px;
    --manual-mark-size: 38px;
  }

  .manual-hero {
    padding-top: 56px;
    padding-bottom: 62px;
  }

  .manual-index {
    padding: 22px;
  }

  .manual-index .toc {
    padding: 8px;
  }

  .manual-index .toc a {
    min-height: 38px;
    padding: 6px 11px;
    font-size: 0.8rem;
  }

  .manual-body {
    padding-top: 58px;
    padding-bottom: 72px;
  }

  .manual-chapter {
    padding: 24px 20px;
  }

  .manual-chapter h2 {
    padding-right: calc(var(--manual-mark-size) + 8px);
  }

  .manual-chapter p {
    text-align: left;
  }

  .chapter-mark {
    top: 22px;
    right: 18px;
  }

  .table-scroll {
    margin-right: 0;
    margin-left: 0;
  }

  .diagnostic-flow__item {
    padding: 15px;
  }
}