/* ═══════════════════════════════════════════════════════════════
   pdfnative.dev — Guide pages
   Renders companion .md via marked.js. Inherits style.css for chrome.
   ═══════════════════════════════════════════════════════════════ */

.guide-shell {
  max-width: 820px;
  margin: 0 auto;
  padding: 80px 24px 80px;
}

.guide-breadcrumb {
  font-size: 13px;
  color: var(--c-text-muted);
  margin-bottom: 12px;
}

.guide-breadcrumb a { color: var(--c-text-dim); }

.guide-content {
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
}

.guide-content h1,
.guide-content h2,
.guide-content h3,
.guide-content h4 {
  letter-spacing: -0.01em;
  font-weight: 800;
  scroll-margin-top: calc(var(--nav-h) + 16px);
}

.guide-content h1 { font-size: 36px; margin: 0 0 24px; letter-spacing: -0.02em; }
.guide-content h2 { font-size: 26px; margin: 56px 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--c-border); }
.guide-content h3 { font-size: 20px; margin: 36px 0 10px; }
.guide-content h4 { font-size: 17px; margin: 28px 0 8px; }

.guide-content p { margin: 0 0 16px; }
.guide-content ul,
.guide-content ol { margin: 0 0 16px; padding-left: 28px; }
.guide-content li { margin: 4px 0; }
.guide-content li > p { margin: 0 0 8px; }

.guide-content code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.92em;
  background: var(--c-surface);
  padding: 2px 6px;
  border-radius: 4px;
}

.guide-content pre {
  background: var(--c-code-bg);
  color: var(--c-code-text);
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 0 0 20px;
  font-size: 13px;
  line-height: 1.55;
}

.guide-content pre code {
  background: transparent;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.guide-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 20px;
  font-size: 14px;
}

.guide-content th,
.guide-content td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--c-border);
}

.guide-content th {
  background: var(--c-bg-alt);
  font-weight: 700;
  color: var(--c-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 12px;
}

.guide-content blockquote {
  border-left: 4px solid var(--c-primary);
  background: var(--c-bg-alt);
  padding: 12px 18px;
  margin: 0 0 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--c-text-dim);
}

.guide-content blockquote p:last-child { margin-bottom: 0; }

.guide-content hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin: 36px 0;
}

.guide-content a { font-weight: 500; }

.guide-loading,
.guide-error {
  padding: 24px;
  text-align: center;
  color: var(--c-text-muted);
  font-size: 14px;
}

.guide-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  text-align: left;
  line-height: 1.7;
}

.guide-error code {
  background: rgba(0,0,0,.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: .9em;
}

[data-theme="dark"] .guide-error {
  background: #450a0a;
  color: #fca5a5;
  border-color: #7f1d1d;
}

[data-theme="dark"] .guide-error code {
  background: rgba(255,255,255,.08);
}

.guide-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.guide-toc-list li {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  transition: border-color .15s, transform .1s;
}

.guide-toc-list li:hover {
  border-color: var(--c-primary);
  transform: translateY(-1px);
}

.guide-toc-list a {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-text);
}

.guide-toc-list .guide-toc-desc {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  font-weight: 400;
  color: var(--c-text-dim);
}