/* town-charter — bluegold skin, matching andoverct.info.
 * Guides (document pages) use the light "report" look; the charter home page
 * uses the dark "index" look via <body class="dark">. */

:root {
  --bg:         #f4f6f9;   /* page background (light docs) */
  --bg-page:    #ffffff;   /* the document card */
  --bg-soft:    #eef4fb;   /* callouts, table headers, TOC, code */
  --ink:        #19222e;
  --ink-soft:   #4a566a;
  --ink-faint:  #7a8699;
  --rule:       #e3e8ef;
  --accent:     #e8a800;   /* gold */
  --accent-2:   #143862;   /* navy — headings */
  --navy:       #0f2a4a;   /* banner gradient top */
  --banner-ink: #dde8f5;
  --link:       #245c95;
  --link-hover: #1c4e80;
  --serif: Georgia, "Times New Roman", serif;
  --sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 17px; scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);          /* sans body, like the reports */
  line-height: 1.65;
}

/* ===== Breadcrumb banner (guide/document pages) ===== */
.page-banner {
  background: linear-gradient(180deg, var(--navy), #143862);
  border-bottom: 3px solid var(--accent);
  color: var(--banner-ink);
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}
.page-banner-inner {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0.7rem 1.5rem;
}
.crumbs a { color: var(--accent); text-decoration: none; border-bottom: none; }
.crumbs a:hover { color: #fff; text-decoration: underline; }
.crumbs .sep { color: var(--banner-ink); opacity: 0.5; margin: 0 0.45em; }
.crumbs .current { color: #fff; }

/* ===== Document card (the guides) ===== */
article {
  max-width: 46rem;
  margin: 2rem auto;
  padding: 2.4rem 2.6rem 3.5rem;
  background: var(--bg-page);
  border-radius: 4px;
  box-shadow: 0 0 0 1px rgba(15,42,74,0.05), 0 6px 22px rgba(15,42,74,0.06);
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
  font-family: var(--serif);         /* serif headings, like the reports */
  color: var(--accent-2);
  line-height: 1.25;
  margin-top: 2.2rem;
  margin-bottom: 0.6rem;
}
h1 {
  font-size: 1.95rem;
  margin-top: 0.4rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--ink);
  color: var(--ink);
}
h2 {
  font-size: 1.4rem;
  margin-top: 2.6rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--rule);
}
h3 { font-size: 1.15rem; margin-top: 1.8rem; }
h4 { font-size: 1rem; font-style: italic; color: var(--ink-soft); }
p { margin: 0.85rem 0; }
a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid rgba(36,92,149,0.3);
  transition: color 0.15s, border-color 0.15s;
}
a:hover { color: var(--link-hover); border-bottom-color: var(--link-hover); }
strong { color: var(--ink); font-weight: 700; }
em { font-style: italic; }
hr { border: none; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

ul, ol { padding-left: 1.5rem; }
li { margin-bottom: 0.35rem; }
li > p { margin: 0.3rem 0; }

blockquote {
  margin: 1.2rem 0;
  padding: 0.8rem 1.2rem;
  background: var(--bg-soft);
  border-left: 4px solid var(--accent);
  border-radius: 0 4px 4px 0;
  color: var(--ink-soft);
  font-size: 0.97rem;
}
blockquote p { margin: 0.4rem 0; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
thead th {
  background: var(--bg-soft);
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 2px solid var(--accent);
  font-weight: 600;
  color: var(--accent-2);
  font-family: var(--sans);
}
tbody td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
tbody tr:nth-child(even) { background: #f8fafc; }

code {
  background: var(--bg-soft);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9rem;
  color: var(--accent-2);
}
pre { background: var(--bg-soft); padding: 1rem; border-radius: 4px; overflow-x: auto; }
pre code { background: none; padding: 0; }

/* ===== Table of Contents ===== */
.toc {
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  padding: 1rem 1.4rem;
  margin: 1.5rem 0 2rem;
  font-family: var(--sans);
  font-size: 0.9rem;
}
.toc summary {
  font-size: 0.8rem;
  margin: 0 0 0.5rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  cursor: pointer;
}
.toc ul { list-style: none; padding-left: 0; margin: 0; }
.toc li { margin-bottom: 0.25rem; }
.toc li.toc-sub { padding-left: 1.2rem; font-size: 0.85rem; }
.toc a { color: var(--link); border-bottom: none; }
.toc a:hover { border-bottom: 1px solid var(--link); }

/* Italic disclaimer at end of an article */
article > p:last-child > em:only-child {
  display: block;
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
}

/* ===================================================================
   Dark variant — the charter home page (<body class="dark">), matching
   the site's dark index pages.
   =================================================================== */
body.dark {
  min-height: 100vh;
  background:
    radial-gradient(1100px 520px at 50% -8%, #1c4e80, transparent 60%),
    linear-gradient(180deg, #0f2a4a, #143862);
  background-attachment: fixed;
  color: #eef4fb;
}
body.dark article {
  background: transparent;
  box-shadow: none;
  padding-top: 0;
}
body.dark .crumbs {
  display: block;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0.5rem 0 1.5rem;
}
body.dark .crumbs a { color: #b9c4cf; border-bottom: none; }
body.dark .crumbs a:hover { color: #fff; }
body.dark .crumbs .sep { color: #b9c4cf; opacity: 0.5; margin: 0 0.45em; }
body.dark .crumbs .current { color: #fff; font-weight: 600; }
body.dark h1 { color: #fff; border-bottom-color: rgba(221,232,245,0.22); }
body.dark h2 { color: #fff; border-bottom: none; margin-top: 2.4rem; }
body.dark h2 a { color: var(--accent); border-bottom: none; }
body.dark h2 a:hover { color: #fff; text-decoration: underline; }
body.dark p { color: #c7d6e8; }
body.dark a { color: var(--accent); border-bottom: none; }
body.dark a:hover { color: #fff; }
body.dark strong { color: #fff; }
body.dark hr { border-top-color: rgba(221,232,245,0.18); }
body.dark article > p:last-child > em:only-child {
  color: #95a9c4;
  border-top-color: rgba(221,232,245,0.18);
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  html { font-size: 15px; }
  article { padding: 1.6rem 1.3rem 2.5rem; margin: 1rem; }
  .page-banner-inner { padding: 0.6rem 1.3rem; }
  table { font-size: 0.82rem; }
  thead th, tbody td { padding: 0.4rem 0.5rem; }
}

/* ===== Print ===== */
@media print {
  .page-banner { display: none; }
  .toc { display: none; }
  body, body.dark { background: #fff; color: #000; }
  article { max-width: none; box-shadow: none; padding: 0; }
  a { color: #245c95; }
}
