/* Shared stylesheet for LANsentry's guide articles (docs/guides/,
   docs/de/guides/). Reuses the main site's color tokens and component
   language (docs/index.html) for visual consistency, plus article-specific
   rules (prose typography, table of contents, callouts) the marketing
   pages don't need. Referenced with an absolute path (/assets/guides.css)
   from every guide page regardless of nesting depth. */

:root {
  --bg: #16161a; --bg-2: #1d1d22; --card: #232329; --card-2: #2a2a31;
  --text: #ececf1; --muted: #9b9ba6; --border: #34343d;
  --accent: #4c9dff; --accent-2: #2a82da; --accent-soft: rgba(76,157,255,.12);
  --ok: #27AE60; --warn: #E67E22;
  --shadow: 0 18px 50px rgba(0,0,0,.45);
}
[data-theme="light"] {
  --bg: #f4f6fb; --bg-2: #eef1f7; --card: #ffffff; --card-2: #f7f9fc;
  --text: #161922; --muted: #5a6072; --border: #e3e7ef;
  --accent: #1f6feb; --accent-2: #1456c4; --accent-soft: rgba(31,111,235,.10);
  --shadow: 0 18px 50px rgba(40,55,90,.14);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI Variable", "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.65; font-size: 17px;
  -webkit-font-smoothing: antialiased; transition: background .3s, color .3s;
}
a { color: var(--accent); text-decoration: none; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.prose-wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: "SF Mono", "Cascadia Code", Consolas, "Roboto Mono", monospace; }

/* ── Nav (same visual language as the main site, no language-toggle JS —
   each guide has its own URL per language, see the hreflang link instead) ── */
header {
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}
nav { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--text); }
.brand .logo { width: 28px; height: 28px; border-radius: 8px; display: block; }
.nav-links { display: flex; gap: 20px; margin-left: 12px; }
.nav-links a { color: var(--muted); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-spacer { flex: 1; }
.toggles { display: flex; gap: 8px; align-items: center; }
.btn-icon {
  height: 38px; min-width: 38px; padding: 0 12px; border-radius: 9px; cursor: pointer;
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px;
  transition: background .2s, border-color .2s, transform .1s;
}
.btn-icon:hover { border-color: var(--accent); }
.btn-icon:active { transform: scale(.96); }
@media (max-width: 760px) { .nav-links { display: none; } }

/* ── Buttons / pills ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 11px;
  font-weight: 600; font-size: 15px; cursor: pointer; border: 1px solid transparent; transition: .2s;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-ghost { background: var(--card); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); }
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 13px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-size: 13px; font-weight: 600;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}

/* ── Article header ── */
.article-header { padding: 48px 0 32px; border-bottom: 1px solid var(--border); }
.article-header .breadcrumb { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.article-header .breadcrumb a { color: var(--muted); }
.article-header .breadcrumb a:hover { color: var(--accent); }
.article-header h1 { font-size: clamp(28px, 4vw, 42px); line-height: 1.15; letter-spacing: -.02em; font-weight: 800; text-wrap: balance; margin: 14px 0 16px; }
.article-header .dek { font-size: 18px; color: var(--muted); max-width: 640px; margin-bottom: 20px; }
.article-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* ── Table of contents ── */
.toc {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px 24px; margin: 32px 0;
}
.toc .toc-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 10px; }
.toc ol { list-style: none; display: grid; gap: 8px; counter-reset: toc; }
.toc li { counter-increment: toc; font-size: 14.5px; }
.toc li::before { content: counter(toc) "."; color: var(--accent); font-weight: 700; margin-right: 8px; }
.toc a { color: var(--text); }
.toc a:hover { color: var(--accent); }

/* ── Prose body ── */
.prose { padding: 8px 0 20px; }
.prose h2 { font-size: 26px; font-weight: 800; letter-spacing: -.01em; margin: 44px 0 16px; scroll-margin-top: 84px; }
.prose h3 { font-size: 20px; font-weight: 700; margin: 30px 0 12px; scroll-margin-top: 84px; }
.prose p { margin-bottom: 16px; color: var(--text); }
.prose p.lede { font-size: 18.5px; color: var(--muted); }
.prose ul, .prose ol { margin: 0 0 16px 22px; }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--text); font-weight: 700; }
.prose code { font-family: "SF Mono", "Cascadia Code", Consolas, monospace; background: var(--card-2); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; font-size: .9em; }
.prose a { text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); text-underline-offset: 3px; }

/* Data / port tables inside articles */
.prose table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14.5px; }
.prose th, .prose td { padding: 10px 14px; border-bottom: 1px solid var(--border); text-align: left; }
.prose th { background: var(--bg-2); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 700; }
.prose tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
.table-wrap table { margin: 0; }

/* Callout / tip / warning boxes */
.callout {
  border-radius: 12px; padding: 18px 20px; margin: 24px 0; border: 1px solid var(--border);
  background: var(--card); display: flex; gap: 12px; align-items: flex-start;
}
.callout .ico { font-size: 20px; line-height: 1; flex-shrink: 0; }
.callout p { margin: 0; font-size: 15px; }
.callout p + p { margin-top: 8px; }
.callout.tip { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); background: var(--accent-soft); }
.callout.warn { border-color: color-mix(in srgb, var(--warn) 40%, var(--border)); background: color-mix(in srgb, var(--warn) 10%, var(--card)); }

/* Severity badges reused from the app's own color language */
.sev-badge { display: inline-flex; padding: 2px 9px; border-radius: 5px; font-size: 11.5px; font-weight: 700; color: #fff; }
.sev-badge.critical { background: #C0392B; }
.sev-badge.high { background: #E74C3C; }
.sev-badge.medium { background: #E67E22; }
.sev-badge.low { background: #F1C40F; color: #161922; }

/* ── In-article CTA ── */
.cta-box { text-align:center; background: linear-gradient(135deg, var(--accent-soft), transparent); border:1px solid var(--border); border-radius:20px; padding:40px 28px; margin: 44px 0; }
.cta-box h2 { margin-bottom: 10px !important; font-size: 24px !important; }
.cta-box p { color: var(--muted); margin-bottom: 22px !important; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* ── Related guides ── */
.related { padding: 48px 0 64px; }
.related h2 { font-size: 22px; margin-bottom: 20px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.related-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 20px;
  transition: transform .2s, border-color .2s;
}
.related-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.related-card .tag { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--accent); font-weight: 700; margin-bottom: 8px; display: block; }
.related-card h3 { font-size: 15.5px; color: var(--text); margin-bottom: 6px; line-height: 1.4; }
.related-card p { font-size: 13.5px; color: var(--muted); }

/* ── Guides hub page ── */
.hub-hero { padding: 56px 0 20px; text-align: center; }
.hub-hero h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -.02em; margin: 16px 0 12px; }
.hub-hero p { color: var(--muted); font-size: 17px; max-width: 620px; margin: 0 auto; }
.hub-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 40px 0 72px; }
.hub-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 26px;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.hub-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); box-shadow: var(--shadow); }
.hub-card .ico { width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center; font-size: 22px; background: var(--accent-soft); margin-bottom: 14px; }
.hub-card h2 { font-size: 19px; margin-bottom: 8px !important; }
.hub-card p { color: var(--muted); font-size: 14.5px; margin-bottom: 14px; }
.hub-card .read-more { font-size: 13.5px; font-weight: 600; color: var(--accent); }

/* ── Footer ── */
footer { border-top: 1px solid var(--border); padding: 32px 0; margin-top: 40px; }
.foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; font-size: 13.5px; color: var(--muted); }
.foot-links { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ── Reveal-on-scroll (same IntersectionObserver pattern as the main site) ── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s, transform .6s; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 720px) {
  .related-grid { grid-template-columns: 1fr; }
  .hub-grid { grid-template-columns: 1fr; }
  .article-meta { gap: 10px; }
}