.manual-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(46px, 7vw, 92px);
  padding-bottom: clamp(50px, 8vw, 104px);
  background: var(--color-canvas);
}

.manual-hero::before {
  position: absolute;
  top: -120px;
  right: -90px;
  width: 680px;
  height: 680px;
  border-radius: var(--radius-pill);
  background: radial-gradient(closest-side, var(--color-halo), transparent 72%);
  content: "";
  pointer-events: none;
}

.manual-breadcrumb {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 34px;
  color: var(--color-muted);
  font-size: 13px;
}

.manual-breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
}

.manual-breadcrumb a:hover {
  color: var(--color-accent-dark);
}

.manual-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(34px, 6vw, 84px);
  align-items: center;
}

.manual-hero-copy h1 {
  max-width: 760px;
  margin-bottom: 22px;
}

.manual-lead {
  max-width: 720px;
  margin-bottom: 0;
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.9;
}

.manual-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.manual-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.manual-facts li {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.diagnostic-card {
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  background: var(--color-canvas);
  box-shadow: var(--shadow-panel);
}

.diagnostic-chrome {
  display: flex;
  min-height: 52px;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-panel-strong);
}

.diagnostic-chrome span {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-line);
}

.diagnostic-chrome strong {
  margin-left: auto;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.diagnostic-body {
  padding: clamp(24px, 4vw, 42px);
}

.diagnostic-node {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.diagnostic-node.is-active {
  border-color: var(--color-accent);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card-hover);
}

.diagnostic-node.is-ready .diagnostic-index {
  border-color: var(--color-success);
  color: var(--color-success);
}

.diagnostic-node.is-active .diagnostic-index {
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.diagnostic-index {
  display: grid;
  min-width: 58px;
  min-height: 58px;
  place-items: center;
  border: 2px solid var(--color-line);
  border-radius: var(--radius-pill);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
}

.diagnostic-node strong {
  display: block;
  margin-bottom: 3px;
}

.diagnostic-node p {
  margin: 0;
  font-size: 13px;
}

.diagnostic-wire {
  width: 2px;
  height: 24px;
  margin-left: 47px;
  background: var(--color-accent);
  opacity: 0.4;
}

.manual-layout {
  padding-top: 12px;
  padding-bottom: var(--section-space);
}

.manual-layout > .toc-tabs {
  margin-bottom: clamp(48px, 7vw, 82px);
}

.manual-prose {
  max-width: var(--reading-max);
  margin-inline: auto;
}

.manual-section {
  padding-top: 28px;
  padding-bottom: clamp(68px, 9vw, 112px);
  border-bottom: 1px solid var(--color-line);
}

.manual-section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.chapter-heading {
  margin-bottom: 34px;
}

.chapter-heading h2 {
  margin-bottom: 0;
}

.manual-prose h3 {
  margin-top: 2em;
  margin-bottom: 14px;
  font-size: clamp(21px, 2.4vw, 27px);
}

.manual-prose p {
  margin-bottom: 20px;
}

.manual-prose .callout {
  margin-block: 30px;
}

.manual-prose .table-scroll {
  margin-block: 32px;
}

.manual-prose pre {
  margin-block: 26px 32px;
}

.diagnosis-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-block: 30px;
}

.diagnosis-flow > div {
  min-width: 0;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.diagnosis-flow strong {
  display: block;
  margin-bottom: 7px;
}

.diagnosis-flow p {
  margin-bottom: 0;
  font-size: 14px;
}

.ticket-template {
  margin-block: 34px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
}

.ticket-template h3 {
  margin-top: 0;
}

.ticket-template pre {
  margin-bottom: 0;
  background: var(--color-canvas);
}

@media (max-width: 900px) {
  .manual-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .diagnostic-card {
    max-width: 640px;
  }
}

@media (max-width: 700px) {
  .manual-hero {
    padding-top: 34px;
  }

  .manual-hero::before {
    top: 240px;
    right: -240px;
    width: 520px;
    height: 520px;
  }

  .manual-breadcrumb {
    margin-bottom: 24px;
  }

  .manual-actions .btn {
    width: 100%;
  }

  .manual-facts li {
    width: 100%;
  }

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

  .manual-section {
    padding-top: 18px;
  }
}

@media (max-width: 420px) {
  .diagnostic-body {
    padding: 18px;
  }

  .diagnostic-node {
    padding: 15px;
  }

  .diagnostic-index {
    min-width: 48px;
    min-height: 48px;
  }

  .diagnostic-wire {
    margin-left: 39px;
  }
}