/* ---------- Manual layout ---------- */

.manual {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 72px;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.manual-toc {
  position: sticky;
  top: 72px;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  font-size: 14px;
}

.manual-toc ul {
  list-style: none;
  border-left: 2px solid var(--border);
}

.manual-toc li a {
  display: block;
  padding: 6px 14px;
  color: var(--text-secondary);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -2px;
}

.manual-toc li a:hover {
  color: var(--text);
}

.manual-toc li a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}

/* ---------- Manual prose ---------- */

.manual-body h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.manual-body h2 {
  font-size: 21px;
  font-weight: 700;
  margin: 36px 0 12px;
}

.manual-body h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 28px 0 10px;
}

.manual-body p {
  margin: 12px 0;
  color: #3a3a3c;
  font-size: 15.5px;
}

.manual-body ul,
.manual-body ol {
  margin: 12px 0;
  padding-left: 26px;
}

.manual-body li {
  margin: 6px 0;
  color: #3a3a3c;
  font-size: 15.5px;
}

.manual-body a {
  color: var(--accent);
  text-decoration: none;
}

.manual-body a:hover {
  text-decoration: underline;
}

.manual-body img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

/* Inline code and key caps */

.manual-body code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.9em;
  background: #f0f0f2;
  border-radius: 5px;
  padding: 2px 6px;
}

.manual-body kbd {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  font-size: 0.85em;
  background: #f0f0f2;
  border: 1px solid #d5d5d9;
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 6px;
  white-space: nowrap;
}

/* Tables */

.manual-body table {
  border-collapse: collapse;
  margin: 16px 0;
  width: 100%;
  font-size: 14.5px;
}

.manual-body th,
.manual-body td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.manual-body th {
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 13px;
}

/* Prev / next chapter links */

.manual-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.manual-nav a {
  color: var(--accent);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
}

.manual-nav a:hover {
  text-decoration: underline;
}

@media (max-width: 860px) {
  .manual {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .manual-toc {
    position: static;
    max-height: none;
  }

  .manual-toc ul {
    columns: 2;
    border-left: none;
  }

  .manual-toc li a {
    margin-left: 0;
    border-left: none;
  }
}