/* Book reading styles for pandoc HTML output */
/* Designed for readability, long-form on desktop and mobile */

:root {
  --bg: #faf8f5;
  --fg: #1a1a1a;
  --muted: #666;
  --accent: #8b4513;
  --border: #e0d5c8;
  --card: #fff;
  --code-bg: #f4f1ed;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a1a;
    --fg: #e8e0d6;
    --muted: #999;
    --accent: #d4a574;
    --border: #333;
    --card: #222;
    --code-bg: #2a2a2a;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Georgia, 'Times New Roman', serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.8;
  padding: 2rem 1.5rem;
  max-width: 45em;
  margin: 0 auto;
}

h1 { font-size: 2rem; margin: 2rem 0 0.5rem; color: var(--accent); border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; }
h2 { font-size: 1.5rem; margin: 1.8rem 0 0.5rem; color: var(--accent); }
h3 { font-size: 1.2rem; margin: 1.5rem 0 0.4rem; }
h4 { font-size: 1rem; margin: 1.2rem 0 0.3rem; }

p { margin: 0.8rem 0; text-align: justify; }
ul, ol { margin: 0.8rem 0; padding-left: 1.5rem; }
li { margin: 0.3rem 0; }

a { color: var(--accent); }
a:hover { text-decoration: underline; }

code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9em;
  background: var(--code-bg);
  padding: 0.15em 0.3em;
  border-radius: 3px;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 1rem 0;
}

pre code { background: none; padding: 0; }

blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 1rem;
  margin: 1rem 0;
  background: var(--code-bg);
  border-radius: 0 6px 6px 0;
  font-style: italic;
  color: var(--muted);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

th, td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

th {
  background: var(--code-bg);
  font-weight: 600;
}

tr:nth-child(even) { background: var(--code-bg); }

img { max-width: 100%; height: auto; margin: 1rem 0; border-radius: 4px; }

hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

.toc { margin: 2rem 0; padding: 1.5rem; background: var(--card); border: 1px solid var(--border); border-radius: 8px; }
.toc h2 { margin-top: 0; border: none; }
.toc ul { list-style: none; padding-left: 1rem; }
.toc li { margin: 0.4rem 0; }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }

/* Footnotes */
.footnotes { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border); font-size: 0.85rem; color: var(--muted); }
.footnotes ol { padding-left: 1.2rem; }
.footnotes li { margin: 0.4rem 0; }
a.footnote-back { text-decoration: none; margin-left: 0.3rem; }

/* Chapter navigation */
.nav-links { display: flex; justify-content: space-between; margin: 2rem 0; padding: 1rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.nav-links a { text-decoration: none; }

/* Responsive */
@media (max-width: 640px) {
  body { padding: 1rem; font-size: 0.95rem; }
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.3rem; }
  table { font-size: 0.8rem; }
  pre { font-size: 0.8rem; }
}