/* CMBA Rulebook CSS for Pandoc HTML
   Compatible with Pandoc's default HTML structure:
   - header#title-block-header
   - nav#TOC[role="doc-toc"]
   - headings with ids/classes like .unnumbered
*/

@import url("https://fonts.googleapis.com/css2?family=Merriweather:ital,wght@0,400;0,700;1,400;1,700&display=swap");

:root{
  --bg: #ffffff;
  --fg: #111827;         /* slate-900 */
  --muted: #6b7280;      /* gray-500 */
  --border: #e5e7eb;     /* gray-200 */
  --card: #f9fafb;       /* gray-50 */
  --link: #1d4ed8;       /* blue-700 */
  --link-hover: #1e40af; /* blue-800 */
  --code-bg: #0b1020;    /* dark */
  --code-fg: #e5e7eb;

  --radius: 12px;
  --content-max: 980px;
  --toc-max: 320px;
}

/* Base */
html { scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--fg);

  /* Rulebook serif stack */
  font-family:
    "Merriweather",
    "Georgia",
    "Times New Roman",
    Times,
    "Liberation Serif",
    serif;

  line-height: 1.6;
  font-size: 16px;
  text-rendering: optimizeLegibility;
}

/* Layout: single column on mobile, TOC sidebar on wide screens */
body{
  display: block;
}

/* Give anchored headings a little offset for mobile browser bars */
h1[id], h2[id], h3[id], h4[id], h5[id], h6[id]{
  scroll-margin-top: 84px;
}

/* Main document container: Pandoc outputs direct children; we style them */
header#title-block-header,
nav#TOC,
main,
body > h1, body > h2, body > h3, body > h4, body > h5, body > h6,
body > p, body > ul, body > ol, body > table, body > blockquote, body > pre, body > hr,
body > dl{
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

/* Title block */
header#title-block-header{
  padding: 20px 16px 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
header#title-block-header .title{
  margin: 0 0 6px;
  font-size: 1.75rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
header#title-block-header .subtitle{
  margin: 0 0 8px;
  color: var(--muted);
}
header#title-block-header .author,
header#title-block-header .date{
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* TOC card */
nav#TOC{
  padding: 0 16px 12px;
  margin-bottom: 10px;
}
nav#TOC > ul{
  margin: 0;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
nav#TOC ul{
  list-style: none;
}
nav#TOC li{
  margin: 6px 0;
}
nav#TOC a{
  color: var(--link);
  text-decoration: none;
}
nav#TOC a:hover{
  color: var(--link-hover);
  text-decoration: underline;
}
nav#TOC ul ul{
  margin-top: 6px;
  padding-left: 14px;
  border-left: 2px solid var(--border);
}

/* Content padding */
body > *{
  padding-left: 16px;
  padding-right: 16px;
  box-sizing: border-box;
}

/* Headings */
h1, h2, h3, h4, h5, h6{
  line-height: 1.25;
  margin: 22px auto 10px;
  letter-spacing: -0.01em;
}
h1{ font-size: 1.55rem; }
h2{ font-size: 1.25rem; }
h3{ font-size: 1.1rem; }
h4{ font-size: 1.0rem; }
h5{ font-size: 0.95rem; }
h6{ font-size: 0.9rem; color: var(--muted); }

/* Unnumbered headings (Pandoc uses .unnumbered sometimes) */
.unnumbered{
  scroll-margin-top: 84px;
}

/* Paragraphs and lists */
p{
  margin: 0 auto 12px;
}
ul, ol{
  margin: 0 auto 14px;
  padding-left: 1.25rem;
}
li{
  margin: 6px 0;
}

/* Links */
a{
  color: var(--link);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
a:hover{
  color: var(--link-hover);
}

/* Blockquotes */
blockquote{
  margin: 14px auto;
  padding: 10px 14px;
  border-left: 4px solid var(--border);
  background: var(--card);
  border-radius: 10px;
  color: #111827;
}
blockquote p{ margin: 0; }

/* Horizontal rule */
hr{
  border: 0;
  border-top: 1px solid var(--border);
  margin: 18px auto;
}

/* Tables */
table{
  width: 100%;
  border-collapse: collapse;
  margin: 14px auto 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: block;            /* enables horizontal scroll on small screens */
}
thead th{
  background: var(--card);
  text-align: left;
  font-weight: 600;
}
th, td{
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
tbody tr:last-child td{ border-bottom: 0; }

/* Code */
code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
  background: #f3f4f6;
  padding: 0.12em 0.32em;
  border-radius: 6px;
}
pre{
  margin: 14px auto 18px;
  padding: 12px 14px;
  background: var(--code-bg);
  color: var(--code-fg);
  border-radius: var(--radius);
  overflow: auto;
  border: 1px solid rgba(255,255,255,0.08);
}
pre code{
  background: transparent;
  color: inherit;
  padding: 0;
}

.quote-icon {
  display: inline-block;
  width: 0.9em;
  height: 0.9em;
  vertical-align: middle;
  background-repeat: no-repeat;
  background-size: contain;
  background-image: url("data:image/svg+xml;utf8,\
<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'>\
<path fill='currentColor' d='M96 224c0-35.3 28.7-64 64-64h32V64H160C71.6 64 0 135.6 0 224v64c0 70.7 57.3 128 128 128h32V288h-32c-17.7 0-32-14.3-32-32v-32zm256 0c0-35.3 28.7-64 64-64h32V64h-32c-88.4 0-160 71.6-160 160v64c0 70.7 57.3 128 128 128h32V288h-32c-17.7 0-32-14.3-32-32v-32z'/>\
</svg>");
}
.quote-btn {
  margin-left:.5rem;
  font-size:.8em;
  vertical-align:middle;
}

/* Small-screen polish */
@media (max-width: 520px){
  header#title-block-header .title{ font-size: 1.45rem; }
  body{ font-size: 16px; }
  nav#TOC > ul{ padding: 12px 14px; }
}

/* Wide-screen layout: TOC sidebar + content */
@media (min-width: 1080px){
  body{
    display: grid;
    grid-template-columns: minmax(260px, var(--toc-max)) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
    padding: 18px;
  }

  /* Remove the auto max-width behavior inside grid; we manage widths here */
  header#title-block-header,
  nav#TOC,
  body > h1, body > h2, body > h3, body > h4, body > h5, body > h6,
  body > p, body > ul, body > ol, body > table, body > blockquote, body > pre, body > hr,
  body > dl{
    max-width: none;
    margin-left: 0;
    margin-right: 0;
  }

  header#title-block-header{
    grid-column: 1 / -1;
    padding: 16px 18px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    margin-bottom: 0;
  }

  nav#TOC{
    grid-column: 1;
    padding: 0;
    margin: 0;
    position: sticky;
    top: 18px;
    max-height: calc(100vh - 36px);
    overflow: auto;
  }
  nav#TOC > ul{
    margin: 0;
  }

  /* Treat the rest of the content as column 2 */
  body > :not(header#title-block-header):not(nav#TOC){
    grid-column: 2;
    padding-left: 0;
    padding-right: 0;
    max-width: var(--content-max);
  }
}