.manual-body {
  min-height: 100vh;
}

.manual-header,
.manual-shell,
.manual-index-shell {
  position: relative;
  z-index: 1;
  width: min(1320px, calc(100% - 56px));
  margin: 0 auto;
}

.manual-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px 32px;
  align-items: center;
  padding: 28px 0 18px;
}

.manual-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.manual-pill {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(184, 196, 214, 0.18);
  color: rgba(245, 248, 252, 0.9);
  background: rgba(255, 255, 255, 0.03);
}

.manual-pill-muted,
.manual-chip {
  color: rgba(184, 196, 214, 0.78);
}

.manual-shell {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 24px;
  padding: 20px 0 64px;
}

.manual-index-shell {
  padding: 28px 0 72px;
}

.manual-index-hero,
.manual-sidebar,
.manual-card,
.manual-content {
  border: 1px solid rgba(184, 196, 214, 0.14);
  border-radius: 28px;
  background: rgba(7, 17, 31, 0.82);
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.34);
}

.manual-index-hero,
.manual-sidebar {
  padding: 22px 22px 24px;
}

.manual-sidebar {
  align-self: start;
  position: sticky;
  top: 24px;
}

.manual-sidebar h1,
.manual-index-hero h1,
.manual-card h2,
.manual-content h1,
.manual-content h2,
.manual-content h3 {
  margin: 0;
}

.manual-sidebar h1,
.manual-index-hero h1 {
  font-size: clamp(0.96rem, 1.05vw, 1.12rem);
  line-height: 1.3;
  letter-spacing: 0.005em;
  margin-top: 8px;
  font-weight: 700;
}

.manual-index-hero h1 {
  max-width: 19ch;
}

.manual-sidebar p,
.manual-index-hero p,
.manual-card p,
.manual-content p,
.manual-content li {
  color: rgba(245, 248, 252, 0.82);
  line-height: 1.66;
  font-size: 0.97rem;
}

.manual-meta {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  color: rgba(184, 196, 214, 0.78);
  font-size: 0.92rem;
}

.manual-content {
  padding: 28px clamp(22px, 3vw, 42px) 48px;
}

.manual-content h1 {
  font-size: clamp(1.98rem, 3.4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.manual-content h2 {
  margin-top: 32px;
  font-size: clamp(1.34rem, 1.8vw, 1.82rem);
}

.manual-content h3 {
  margin-top: 24px;
  font-size: 1.02rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(184, 196, 214, 0.9);
}

.manual-content ul,
.manual-content ol {
  padding-left: 1.4rem;
}

.manual-content pre {
  overflow-x: auto;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.24);
  border: 1px solid rgba(184, 196, 214, 0.12);
}

.manual-content code {
  font-family: "IBM Plex Mono", "SFMono-Regular", ui-monospace, monospace;
}

.manual-content a {
  color: #d8ecff;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.manual-figure {
  margin: 24px 0 28px;
  display: grid;
  gap: 12px;
}

.manual-figure img {
  width: 100%;
  border-radius: 22px;
  border: 1px solid rgba(184, 196, 214, 0.14);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.26);
}

.manual-figure figcaption {
  color: rgba(184, 196, 214, 0.74);
  font-size: 0.92rem;
}

.manual-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-top: 24px;
}

.manual-card {
  padding: 24px;
}

.manual-card-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

@media (max-width: 1160px) {
  .manual-header,
  .manual-shell {
    grid-template-columns: 1fr;
  }

  .manual-sidebar {
    position: static;
  }
}

@media (max-width: 920px) {
  .manual-header,
  .manual-index-shell,
  .manual-shell {
    width: min(1320px, calc(100% - 28px));
  }

  .manual-content {
    padding: 24px 18px 38px;
  }
}