:root {
  --bg: #fbfaf8; --panel: #ffffff; --ink: #1c1b19; --muted: #6f6b64;
  --line: #e4e0d9; --accent: #7a4a2b; --accent-soft: #f3ece5;
  --warn-bg: #fdf3e3; --warn-line: #e0b878; --ok: #3f6b45; --broken: #b0392b;
  --side: 290px; --rail: 232px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #191817; --panel: #211f1e; --ink: #ece8e2; --muted: #9c958b;
    --line: #34312e; --accent: #d2a179; --accent-soft: #2c2724;
    --warn-bg: #302719; --warn-line: #7a5c2c; --ok: #7fb185; --broken: #e0796a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a.broken { color: var(--broken); border-bottom: 1px dotted var(--broken); }

/* ------------------------------------------------------------- navigazione */
.side {
  position: fixed; inset: 0 auto 0 0; width: var(--side); overflow-y: auto;
  border-right: 1px solid var(--line); padding: 18px 14px 40px; background: var(--panel);
}
.brand {
  display: block; font-weight: 650; font-size: 14px; letter-spacing: .02em;
  color: var(--ink); margin-bottom: 14px;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.search {
  width: 100%; padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px;
  background: var(--bg); color: var(--ink); font-size: 13px; margin-bottom: 12px;
}
.search:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.results { margin-bottom: 14px; }
.results a {
  display: block; padding: 6px 8px; border-radius: 6px; font-size: 13px; color: var(--ink);
}
.results a:hover { background: var(--accent-soft); text-decoration: none; }
.results .r-meta { display: block; font-size: 11px; color: var(--muted); }
.results .r-hit { font-size: 11.5px; color: var(--muted); }
.results mark { background: var(--accent-soft); color: var(--ink); }
.group { margin-bottom: 16px; }
.group-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); margin: 0 0 6px 8px;
}
.sub-label {
  font-size: 11.5px; color: var(--muted); margin: 8px 0 2px 10px; font-weight: 600;
}
.item {
  display: block; padding: 4px 8px 4px 10px; border-radius: 6px; font-size: 13.3px;
  color: var(--ink); line-height: 1.4;
}
.item:hover { background: var(--accent-soft); text-decoration: none; }
.item.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.item.foot { margin-top: 20px; color: var(--muted); font-size: 12.5px; }
.item.foot + .item.foot { margin-top: 6px; }

/* ---------------------------------------------------------------- contenuto */
.main { margin-left: var(--side); padding: 34px 40px 90px; max-width: 1180px; }
.cols { display: grid; grid-template-columns: minmax(0,1fr) var(--rail); gap: 40px; }
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.doc { max-width: 780px; }
.crumbs {
  font-size: 12.5px; color: var(--muted); letter-spacing: .01em;
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 4px;
}
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { color: var(--line); }
.crumbs [aria-current] { color: var(--ink); }

/* sezioni della navigazione */
.sections { margin-bottom: 6px; }
.sec-head {
  display: flex; align-items: baseline; gap: 8px; padding: 6px 8px;
  border-radius: 6px; color: var(--ink); font-size: 13.3px;
}
.sec-head:hover { background: var(--accent-soft); text-decoration: none; }
.sec-head.current { color: var(--accent); font-weight: 620; background: var(--accent-soft); }
.sec-head.plain { cursor: default; }
.sec-n {
  flex: none; width: 17px; height: 17px; border-radius: 4px; font-size: 10.5px;
  line-height: 17px; text-align: center; background: var(--accent-soft);
  color: var(--muted); font-variant-numeric: tabular-nums;
}
.sec-head.current .sec-n { background: var(--accent); color: var(--panel); }
.sec-t { flex: 1 1 auto; }
.sec-c { flex: none; font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.sec-item { margin: 0 0 8px; }
.doc-title { font-size: 30px; line-height: 1.2; margin: 6px 0 12px; letter-spacing: -.01em; }
.meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 26px; }
.chip {
  font-size: 11.5px; padding: 2px 9px; border-radius: 20px;
  border: 1px solid var(--line); color: var(--muted); background: var(--panel);
}
.chip.link { color: var(--accent); }
.chip.muted { border-style: dashed; }
.badge { font-size: 11.5px; padding: 2px 9px; border-radius: 20px; border: 1px solid; }
.s-bozza { color: var(--muted); border-color: var(--line); }
.s-revisione { color: #a2711f; border-color: #d7b170; }
.s-confermato { color: var(--ok); border-color: var(--ok); }
.s-obsoleto { color: var(--broken); border-color: var(--broken); text-decoration: line-through; }
.warn {
  background: var(--warn-bg); border-left: 3px solid var(--warn-line);
  padding: 10px 14px; border-radius: 0 6px 6px 0; font-size: 13.5px; margin-bottom: 22px;
}
.doc h1 { font-size: 26px; margin: 34px 0 12px; }
.doc h2 {
  font-size: 20px; margin: 34px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--line);
}
.doc h3 { font-size: 16.5px; margin: 26px 0 8px; }
.doc h4 { font-size: 14.5px; margin: 20px 0 6px; color: var(--muted); }
.doc p { margin: 0 0 14px; }
.doc ul, .doc ol { margin: 0 0 14px; padding-left: 22px; }
.doc li { margin-bottom: 5px; }
.doc li > ul, .doc li > ol { margin: 5px 0 0; }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 30px 0; }
.side a.foot .sec-c {
  margin-left: 7px; font-size: 11.5px; color: var(--muted);
  background: var(--accent-soft); border-radius: 9px; padding: 1px 6px;
}

/* Voci di lavoro: casella di spunta non modificabile, stato nel Markdown. */
.doc li.lavoro { list-style: none; margin-left: -22px; padding-left: 0; display: flex; gap: 9px; }
.doc li.lavoro > input { margin: 4px 0 0; flex: 0 0 auto; accent-color: var(--accent); }
.doc li.lavoro > span { flex: 1; }
.doc li.lavoro.fatto > span { color: var(--muted); }
.doc li.lavoro.fatto > span a { color: var(--muted); }

/* Campi di un rilievo: etichetta a sinistra, contenuto a destra. */
.doc dl.campi {
  margin: 0 0 18px; padding: 12px 16px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px;
  font-size: 13.5px;
}
.doc dl.campi dt { font-weight: 600; color: var(--muted); white-space: nowrap; }
.doc dl.campi dd { margin: 0; }
@media (max-width: 640px) {
  .doc dl.campi { display: block; }
  .doc dl.campi dd { margin: 0 0 8px; }
}

blockquote {
  margin: 16px 0; padding: 10px 16px; background: var(--accent-soft);
  border-left: 3px solid var(--accent); border-radius: 0 6px 6px 0;
}
blockquote p:last-child { margin-bottom: 0; }
code {
  font: 12.7px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--accent-soft); padding: 1.5px 5px; border-radius: 4px;
}
pre {
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 14px 16px; overflow-x: auto; margin: 0 0 16px;
}
pre code { background: none; padding: 0; font-size: 12.5px; }
pre.mermaid { text-align: center; background: var(--panel); }
.table-wrap { overflow-x: auto; margin: 0 0 18px; }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { border: 1px solid var(--line); padding: 7px 11px; text-align: left; vertical-align: top; }
th { background: var(--accent-soft); font-weight: 600; }
img { max-width: 100%; }

/* un'ancora raggiunta da un link non resta incollata al bordo superiore */
h1, h2, h3, h4, h5, h6 { scroll-margin-top: 18px; }
.ancora-codice { display: block; height: 0; scroll-margin-top: 18px; }

/* -------------------------------------------------------------------- rail */
.rail { font-size: 13px; }
.rail-box {
  border-top: 1px solid var(--line); padding: 14px 0; position: sticky;
}
.rail-box h4 {
  margin: 0 0 8px; font-size: 11px; text-transform: uppercase;
  letter-spacing: .07em; color: var(--muted); font-weight: 600;
}
.toc, .links { list-style: none; margin: 0; padding: 0; }
.toc li, .links li { margin-bottom: 5px; line-height: 1.4; }
.toc .lvl2 { padding-left: 10px; }
.toc .lvl3 { padding-left: 20px; font-size: 12.3px; }
.path { font: 11.5px ui-monospace, Menlo, monospace; color: var(--muted); word-break: break-all; }

/* ------------------------------------------------------------------ pannelli */
.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 18px 22px; margin-bottom: 22px;
}
.panel h2 { margin: 0 0 14px; font-size: 16px; }
.coverage td.cov { text-align: center; font-size: 12.5px; }
.coverage td.none { color: var(--line); }
.coverage td.done { background: var(--accent-soft); }
.muted { color: var(--muted); }
.ok { color: var(--ok); }
.empty { color: var(--muted); font-size: 14px; }

@media (max-width: 1080px) {
  .cols { grid-template-columns: 1fr; }
  .rail { border-top: 1px solid var(--line); }
  .cols2 { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .side { position: static; width: auto; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .main { margin-left: 0; padding: 22px 18px 60px; }
}

/* natura di un controllo nella pagina di diagnostica */
.natura {
  font-size: .62em;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  vertical-align: middle;
  padding: .18em .5em;
  border-radius: 3px;
  border: 1px solid currentColor;
  opacity: .65;
}