:root {
  --bg: #fbfaf7;
  --paper: #ffffff;
  --text: #1f2933;
  --muted: #52616b;
  --line: #d9dee3;
  --accent: #2463a6;
  --accent-dark: #123a62;
  --warn: #8a4b00;
}
html { scroll-behavior: smooth; }
body { margin: 0; max-width: none; padding: 0; font-family: Arial, Helvetica, sans-serif; background: var(--bg); color: var(--text); line-height: 1.55; }
main, body > section, body > div.document, .page-wrap { max-width: 980px; margin: 0 auto; padding: 1.25rem 1.35rem 4rem; background: var(--paper); }
.field-toolbar { position: sticky; top: 0; z-index: 50; background: var(--accent-dark); color: white; padding: .55rem .85rem; font-size: .95rem; box-shadow: 0 2px 8px rgba(0,0,0,.22); }
.field-toolbar a { color: white; text-decoration: none; margin-right: 1rem; font-weight: 700; }
.field-toolbar a:hover { text-decoration: underline; }
.library-banner { border-left: 6px solid var(--accent); background: #edf5ff; padding: .8rem 1rem; margin: 1rem 0 1.25rem; }
a { color: var(--accent); }
a:visited { color: #604c9c; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; color: #111827; margin-top: 1.4em; scroll-margin-top: 4.2rem; }
h1 { font-size: 2.05rem; border-bottom: 2px solid var(--line); padding-bottom: .35rem; }
h2 { font-size: 1.55rem; border-bottom: 1px solid var(--line); padding-bottom: .25rem; }
h3 { font-size: 1.25rem; }
p { margin: .68rem 0; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: .96rem; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: .42rem .55rem; vertical-align: top; }
th { background: #eef2f7; }
blockquote { border-left: 4px solid var(--line); color: var(--muted); margin-left: 0; padding-left: 1rem; }
img { max-width: 100%; height: auto; }
code, pre { background: #f1f5f9; padding: .1rem .25rem; border-radius: .25rem; }
pre { padding: .8rem; overflow-x: auto; }
.kicker { color: var(--muted); font-size: .95rem; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; margin: 1rem 0 2rem; }
.card { border: 1px solid var(--line); border-radius: .8rem; padding: 1rem; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.card h3 { margin-top: 0; }
.badge { display:inline-block; background:#eaf4ff; color:#123a62; border:1px solid #bcd7f2; padding:.15rem .45rem; border-radius:.4rem; font-size:.82rem; font-weight:700; }
.warning { border-left: 6px solid var(--warn); background: #fff7ed; padding: .75rem 1rem; }
.pass { color: #0f6b37; font-weight: 700; }
.fail { color: #a61b1b; font-weight: 700; }
.small { font-size: .9rem; }
@media (prefers-color-scheme: dark) {
  :root { --bg:#0f172a; --paper:#111827; --text:#e5e7eb; --muted:#cbd5e1; --line:#374151; --accent:#7bb5ff; --accent-dark:#0b2545; }
  h1,h2,h3,h4,h5,h6 { color:#f9fafb; }
  th { background:#1f2937; }
  .card { background:#111827; }
  .library-banner { background:#0d2a45; }
  .warning { background:#3b2608; }
  code, pre { background:#1f2937; }
}
@media print { .field-toolbar { position: static; } body { background:white; } main, body > section, body > div.document { max-width:none; } }


/* V2.0 centered full HTML document shell. */
main.document-shell { width: calc(100% - 2rem); box-sizing: border-box; max-width: 980px; margin: 0 auto; padding: 1.25rem 1.35rem 4rem; background: var(--paper); }