body.manual {
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-family);
  margin: 0;
  padding: 0;
}

.manual-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.manual-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(8, 10, 16, 0.9);
  padding: 24px;
}

.manual-header .breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.manual-header a {
  color: var(--color-secondary);
}

.manual-content {
  flex: 1;
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.manual-content h1,
.manual-content h2,
.manual-content h3 {
  color: var(--color-text);
}

.manual-content h1 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-bottom: 16px;
}

.manual-content h2 {
  margin-top: 40px;
  margin-bottom: 16px;
  font-size: 1.6rem;
}

.manual-content h3 {
  margin-top: 28px;
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.manual-content p {
  line-height: 1.7;
  color: var(--color-muted);
}

.manual-content ul,
.manual-content ol {
  color: var(--color-muted);
  line-height: 1.7;
  padding-left: 24px;
  margin-bottom: 20px;
}

.manual-content pre {
  background: rgba(15, 20, 28, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 16px;
  overflow-x: auto;
  font-family: 'Fira Code', monospace;
  font-size: 0.95rem;
  color: #7fffd4;
}

.manual-content code {
  font-family: 'Fira Code', monospace;
  background: rgba(45, 212, 191, 0.12);
  color: var(--color-secondary);
  padding: 2px 6px;
  border-radius: 6px;
}

.manual-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(8, 10, 16, 0.9);
  padding: 24px;
  color: var(--color-muted);
  font-size: 0.85rem;
  text-align: center;
}

@media (max-width: 640px) {
  .manual-content {
    padding: 36px 18px 60px;
  }
}