/* manual.css — reading layout for /manual */

.manual-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  max-width: 1240px;
  margin: 0 auto;
  gap: 40px;
  padding: 24px 24px 80px;
}

.manual-toc {
  position: sticky;
  top: 24px;
  align-self: start;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding-right: 8px;
  border-right: 0.5px solid var(--border);
}

.toc-brand {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 2px;
}
.toc-brand a { text-decoration: none; }
.toc-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
  margin-bottom: 20px;
}

.manual-toc nav { display: flex; flex-direction: column; gap: 2px; }
.manual-toc nav a {
  display: block;
  font-size: 14px;
  padding: 4px 10px;
  border-radius: 4px;
  text-decoration: none;
  color: var(--text-secondary);
  border-left: 2px solid transparent;
  line-height: 1.4;
}
.manual-toc nav a:hover { color: var(--text); background: var(--surface); }
.manual-toc nav a.active {
  color: var(--text);
  border-left-color: #000;
  background: var(--surface);
}
.manual-toc nav a.toc-h3 {
  padding-left: 24px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.toc-meta { margin-top: 24px; padding-top: 16px; border-top: 0.5px solid var(--border); }

.manual-content { max-width: 760px; }

.manual-content h1 {
  font-size: 40px;
  line-height: 1.15;
  margin: 0 0 8px;
}
.manual-content h2 {
  font-size: 26px;
  margin: 48px 0 8px;
  padding-top: 16px;
  border-top: 0.5px solid var(--border);
}
.manual-content h3 {
  font-size: 20px;
  margin: 28px 0 6px;
  font-family: var(--font-serif);
}
.manual-content p, .manual-content li {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text);
}
.manual-content p { margin: 0 0 16px; }
.manual-content strong { font-weight: 600; }

.manual-content code {
  font-family: var(--font-mono);
  font-size: 15px;
  background: var(--surface);
  padding: 1px 6px;
  border-radius: 3px;
}
.manual-content pre {
  background: #111;
  color: #f0ebe3;
  padding: 16px 20px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.55;
  margin: 16px 0;
}
.manual-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

.manual-content ul, .manual-content ol { padding-left: 24px; margin: 0 0 16px; }
.manual-content li { margin-bottom: 6px; }
.manual-content li > input[type="checkbox"] { margin-right: 8px; }

.manual-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
}
.manual-content th, .manual-content td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 0.5px solid var(--border);
  vertical-align: top;
}
.manual-content th {
  font-weight: 600;
  background: var(--surface);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.manual-content hr {
  border: 0;
  border-top: 0.5px solid var(--border);
  margin: 40px 0;
}

.manual-content blockquote {
  border-left: 3px solid var(--border-strong);
  padding-left: 16px;
  margin: 16px 0;
  color: var(--text-secondary);
  font-style: italic;
}

.manual-content em { color: var(--text-secondary); }

.manual-footer {
  margin-top: 80px;
  padding-top: 24px;
  border-top: 0.5px solid var(--border);
}

.manual-search {
  position: sticky;
  top: 0;
  background: var(--bg);
  padding: 8px 0 12px;
  z-index: 10;
  display: flex;
  gap: 8px;
  border-bottom: 0.5px solid var(--border);
  margin-bottom: 16px;
}
.manual-search input { flex: 1; }
.manual-search kbd, kbd {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--surface);
  border: 0.5px solid var(--border-strong);
  padding: 1px 5px;
  border-radius: 3px;
}

mark.search-hit {
  background: #ffe57a;
  padding: 0 2px;
  border-radius: 2px;
}

@media (max-width: 860px) {
  .manual-layout { grid-template-columns: 1fr; padding: 16px; }
  .manual-toc {
    position: static;
    max-height: none;
    border-right: none;
    border-bottom: 0.5px solid var(--border);
    padding-bottom: 16px;
    margin-bottom: 24px;
  }
  .manual-toc nav { max-height: 240px; overflow-y: auto; }
  .manual-content h1 { font-size: 32px; }
  .manual-content h2 { font-size: 22px; }
}

@media print {
  .manual-toc, .manual-footer, .manual-search { display: none; }
  .manual-layout { grid-template-columns: 1fr; padding: 0; max-width: none; }
  .manual-content { max-width: none; }
  body { font-size: 12pt; }
}