.manual-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: var(--border-thin) solid var(--color-border);
  background:
    linear-gradient(90deg, var(--color-accent-faint), transparent 42%),
    var(--color-bg);
}

.manual-hero::after {
  content: "";
  position: absolute;
  right: 4%;
  bottom: -32%;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent-soft), transparent 68%);
  pointer-events: none;
}

.manual-hero-grid {
  min-height: 680px;
  padding-top: clamp(64px, 8vw, 108px);
  padding-bottom: clamp(64px, 8vw, 108px);
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(460px, 0.82fr);
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
}

.manual-hero-copy {
  position: relative;
  z-index: 2;
}

.manual-hero-copy h1 {
  max-width: 700px;
}

.manual-hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
}

.manual-facts {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.manual-scope {
  max-width: 690px;
  margin: 24px 0 0;
  padding-top: 20px;
  border-top: var(--border-thin) solid var(--color-border);
  color: var(--color-muted);
  font-size: 14px;
}

.manual-scope a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-dark);
  text-underline-offset: 3px;
}

.manual-terminal {
  position: relative;
  z-index: 2;
  overflow: hidden;
  border: var(--border-thin) solid var(--color-border-bright);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-window);
}

.manual-terminal::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 49%, var(--color-grid) 50%, transparent 51%),
    linear-gradient(var(--color-grid) var(--border-thin), transparent var(--border-thin));
  background-size: 84px 100%, 100% 44px;
  pointer-events: none;
}

.manual-terminal-head {
  position: relative;
  z-index: 1;
  min-height: 52px;
  padding: 0 16px;
  display: grid;
  grid-template-columns: minmax(70px, 1fr) auto minmax(70px, 1fr);
  align-items: center;
  border-bottom: var(--border-thin) solid var(--color-border);
  background: var(--color-panel-raised);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--micro-size);
}

.terminal-lights {
  display: flex;
  gap: 7px;
}

.terminal-lights i {
  width: 7px;
  height: 7px;
  border: var(--border-thin) solid var(--color-border-bright);
  border-radius: 50%;
  background: var(--color-panel-soft);
}

.terminal-lights i.is-ready {
  border-color: var(--color-accent-dark);
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent-glow);
}

.manual-terminal-mode {
  justify-self: end;
  color: var(--color-accent-dark);
}

.manual-terminal-body {
  position: relative;
  z-index: 1;
  padding: clamp(24px, 4vw, 38px);
}

.manual-terminal-label {
  margin: 0 0 25px;
  color: var(--color-subtle);
  font-family: var(--font-mono);
  font-size: var(--micro-size);
  letter-spacing: 0.08em;
}

.manual-terminal-steps {
  position: relative;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
  list-style: none;
}

.manual-terminal-steps::before {
  content: "";
  position: absolute;
  top: 15px;
  bottom: 15px;
  left: 7px;
  border-left: var(--border-thin) dashed var(--color-border-bright);
}

.manual-terminal-steps li {
  position: relative;
  min-height: 38px;
  padding: 7px 10px 7px 31px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: var(--border-thin) solid var(--color-border);
  color: var(--color-warn);
  font-family: var(--font-mono);
  font-size: 12px;
}

.manual-terminal-steps li::before {
  content: "";
  position: absolute;
  left: 2px;
  width: 11px;
  height: 11px;
  border: var(--border-thin) solid var(--color-accent-dark);
  border-radius: 50%;
  background: var(--color-panel);
  box-shadow: 0 0 0 4px var(--color-panel);
}

.manual-terminal-steps b {
  color: var(--color-accent);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.manual-terminal-result {
  margin-top: 28px;
  padding: 17px 18px;
  display: flex;
  align-items: center;
  gap: 13px;
  border: var(--border-thin) solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-accent-soft), transparent);
  box-shadow: var(--shadow-accent);
}

.manual-terminal-result p {
  margin: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 650;
}

.manual-terminal-result small {
  display: block;
  margin-top: 4px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 9px;
}

.manual-toc-host {
  position: relative;
  z-index: 18;
  padding-top: 20px;
}

.manual-article {
  position: relative;
}

.manual-chapter {
  border-bottom: var(--border-thin) solid var(--color-border);
}

.manual-chapter:nth-child(even) {
  background: linear-gradient(90deg, var(--color-accent-faint), transparent 36%);
}

.manual-layout {
  display: grid;
  grid-template-columns: minmax(130px, 190px) minmax(0, var(--reading-width));
  justify-content: center;
  align-items: start;
  gap: clamp(34px, 6vw, 86px);
}

.chapter-index {
  position: sticky;
  top: calc(var(--toc-top) + 72px);
  padding-top: 10px;
  display: grid;
  gap: 8px;
  border-top: var(--border-thin) solid var(--color-accent-dark);
  color: var(--color-subtle);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.07em;
}

.chapter-index strong {
  color: var(--color-warn);
  font-size: 12px;
  font-weight: 520;
  letter-spacing: 0.03em;
}

.manual-prose {
  width: 100%;
}

.chapter-kicker {
  margin: 0 0 14px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--micro-size);
  letter-spacing: 0.08em;
}

.manual-prose > h2 {
  margin-top: 0;
  margin-bottom: 34px;
}

.manual-prose h3 {
  margin-top: 48px;
  padding-top: 22px;
  border-top: var(--border-thin) solid var(--color-border);
  font-size: clamp(22px, 2.5vw, 29px);
}

.manual-prose p {
  margin-bottom: 1.4em;
}

.manual-prose .table-scroll {
  margin-block: 32px 44px;
}

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

.manual-prose .callout {
  margin-block: 38px;
}

@media (max-width: 980px) {
  .manual-hero-grid {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
  }

  .manual-terminal {
    width: min(100%, 660px);
  }

  .manual-layout {
    grid-template-columns: minmax(0, var(--reading-width));
  }

  .chapter-index {
    position: static;
    padding-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: var(--border-thin) solid var(--color-border);
  }
}

@media (max-width: 768px) {
  .manual-hero::after {
    width: 360px;
    height: 360px;
  }

  .manual-hero-grid {
    padding-top: 54px;
    padding-bottom: 66px;
  }

  .manual-toc-host {
    padding-inline: var(--gutter);
  }

  .manual-prose h3 {
    margin-top: 38px;
  }
}

@media (max-width: 640px) {
  .manual-hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .manual-hero-actions .button {
    width: 100%;
  }

  .manual-terminal-head {
    grid-template-columns: minmax(54px, 1fr) auto;
  }

  .manual-terminal-head > span:nth-child(2) {
    display: none;
  }

  .manual-terminal-body {
    padding: 20px 16px;
  }

  .manual-terminal-steps li {
    font-size: 11px;
  }

  .manual-terminal-result {
    padding: 15px;
  }

  .manual-terminal-result p {
    font-size: 13px;
  }

  .manual-toc-host {
    padding-top: 12px;
  }

  .chapter-index {
    font-size: 9px;
  }

  .manual-prose > h2 {
    margin-bottom: 26px;
  }
}