/* Shared styling for the full User Manual pages (user-manual.en.html /
   user-manual.it.html). Same token approach as legal.css, wider content
   column to fit screenshots, plus print rules so "Download PDF" (window.print)
   produces a clean, paginated document without the on-screen chrome. */
:root {
  --fg: #1a1c22;
  --muted: #5b5e6b;
  --accent: #4548d8;
  --line: #e7e7ec;
  --bg: #ffffff;
  --card-bg: #f7f8ff;
  --card-border: #e6e8ff;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.toolbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 14px;
  color: var(--fg);
  text-decoration: none;
}

.toolbar-brand img { width: 22px; height: 22px; border-radius: 5px; }

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-toggle {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.lang-toggle a {
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  color: var(--muted);
}

.lang-toggle a.active {
  background: var(--accent);
  color: #fff;
}

.btn-pdf {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.btn-pdf:hover { opacity: 0.92; }

main {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

h1 { font-size: 1.9rem; margin: 0 0 4px; letter-spacing: -0.01em; }
.subtitle { color: var(--muted); font-size: 0.95rem; margin: 0 0 20px; }

.intro {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 0 0 24px;
  font-size: 0.92rem;
  color: var(--muted);
}

.intro p { margin: 0 0 8px; }
.intro p:last-child { margin-bottom: 0; }

nav.toc {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 0 0 36px;
}

nav.toc h2 {
  margin: 0 0 10px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: none;
  padding: 0;
}

nav.toc ol {
  margin: 0;
  padding-left: 20px;
}

nav.toc li { margin: 4px 0; }
nav.toc a { color: var(--fg); text-decoration: none; font-size: 0.95rem; }
nav.toc a:hover { color: var(--accent); }

h2 {
  font-size: 1.4rem;
  margin: 48px 0 6px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 70px;
}

h3 {
  font-size: 1.1rem;
  margin: 28px 0 8px;
  scroll-margin-top: 70px;
}

p, li { font-size: 1rem; }
ul { padding-left: 22px; }
li { margin: 4px 0; }
a { color: var(--accent); }
strong { font-weight: 700; }
em.note {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 10px 14px;
  margin: 14px 0;
  font-size: 0.92rem;
  font-style: normal;
}

figure {
  margin: 20px 0;
  text-align: center;
}

figure img {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

figcaption {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.back-to-top {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.85rem;
}

footer {
  margin-top: 48px;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e9ee;
    --muted: #a0a3b0;
    --accent: #9aa0ff;
    --line: #2a2d36;
    --bg: #14151a;
    --card-bg: #181a24;
    --card-border: #2a2d3a;
  }
  .toolbar { background: rgba(20, 21, 26, 0.92); }
  .btn-pdf { color: #14151a; }
}

@media print {
  .toolbar, .back-to-top { display: none !important; }
  body { background: #fff; color: #000; }
  main { max-width: 100%; padding: 0; }
  a { color: #000; text-decoration: underline; }
  h2 { break-before: page; border-top: none; padding-top: 0; margin-top: 0; }
  h2:first-of-type { break-before: auto; }
  figure { break-inside: avoid; }
  nav.toc { break-after: page; border: none; padding: 0; }
  .intro { border: 1px solid #ccc; }
}