/* ===========================================================
   Foxhole Field Manual — military field-manual theme
   =========================================================== */

:root {
  --bg: #0d1117;
  --panel: #151b23;
  --panel-2: #1b2430;
  --text: #e6edf3;
  --muted: #9aa7b4;
  --line: #2d3746;
  --accent: #c9a45c;      /* brass */
  --accent-2: #6f8f72;    /* olive */
  --accent-3: #6e95b8;    /* steel blue */
  --danger: #b85c5c;
  --paper: #d6c7a1;

  --font-head: 'Rajdhani', 'Oswald', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'Roboto Mono', ui-monospace, monospace;

  --topbar-h: 60px;
  --maxw: 1320px;
  --radius: 4px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(45,55,70,0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45,55,70,0.16) 1px, transparent 1px);
  background-size: 44px 44px;
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-3); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.18;
  color: var(--text);
  margin: 0 0 .5em;
}

img { max-width: 100%; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: #1a1300; padding: 8px 14px; z-index: 200;
}
.skip-link:focus { left: 8px; top: 8px; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 90;
  background: rgba(13,17,23,0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.topbar-inner {
  max-width: var(--maxw); margin: 0 auto;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 14px;
  padding: 0 18px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark { display: flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text strong {
  font-family: var(--font-head); font-size: 1.4rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
}
.brand-text em {
  font-family: var(--font-mono); font-style: normal;
  font-size: .64rem; letter-spacing: .34em; text-transform: uppercase;
  color: var(--accent);
}
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.search-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--panel-2); color: var(--muted);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 8px 12px; cursor: pointer; font-family: var(--font-body);
  font-size: .85rem;
}
.search-btn:hover { color: var(--text); border-color: var(--accent); }
.search-btn kbd {
  font-family: var(--font-mono); font-size: .7rem;
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 3px; padding: 1px 6px;
}
.nav-toggle {
  display: none; flex-direction: column; gap: 4px;
  background: none; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 9px 8px; cursor: pointer;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--text); display: block; }

/* ---------- Layout ---------- */
.layout {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: 248px minmax(0,1fr) 280px;
  gap: 26px;
  padding: 26px 18px 50px;
  align-items: start;
}

/* ---------- Side navigation ---------- */
.sidenav {
  position: sticky; top: calc(var(--topbar-h) + 22px);
  max-height: calc(100vh - var(--topbar-h) - 44px);
  overflow-y: auto;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 8px;
}
.nav-group { margin-bottom: 4px; }
.nav-group-title {
  font-family: var(--font-mono); font-size: .66rem;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent); padding: 10px 10px 4px;
}
.nav-link {
  display: flex; align-items: center; gap: 9px;
  padding: 7px 10px; border-radius: 3px;
  color: var(--muted); font-size: .9rem; font-weight: 500;
}
.nav-link:hover { background: var(--panel-2); color: var(--text); text-decoration: none; }
.nav-link.active {
  background: var(--panel-2); color: var(--text);
  box-shadow: inset 3px 0 0 var(--accent);
}
.nav-link .nav-ico { width: 16px; height: 16px; flex: none; color: var(--accent-2); }
.nav-link.active .nav-ico { color: var(--accent); }

/* ---------- Content ---------- */
.content { min-width: 0; }

.breadcrumb {
  font-family: var(--font-mono); font-size: .72rem;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 14px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { margin: 0 7px; color: var(--line); }

.page-eyebrow {
  display: inline-block;
  font-family: var(--font-mono); font-size: .68rem;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--bg); background: var(--accent);
  padding: 3px 9px; margin-bottom: 12px;
}
.page-title { font-size: 2.5rem; font-weight: 700; text-transform: uppercase; }
.page-tagline {
  font-family: var(--font-head); font-weight: 500;
  font-size: 1.15rem; color: var(--accent); margin: -2px 0 16px;
}
.page-summary {
  font-size: 1.05rem; color: var(--text);
  border-left: 3px solid var(--accent-2);
  background: var(--panel); padding: 14px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.section-block { margin-top: 30px; }
.section-block h2 {
  font-size: 1.45rem; text-transform: uppercase;
  padding-bottom: 6px; border-bottom: 1px solid var(--line);
}
.section-block h3 { font-size: 1.12rem; margin-top: 18px; color: var(--accent); }
.section-block p { margin: 10px 0; }
.section-block ul { margin: 10px 0; padding-left: 22px; }
.section-block li { margin: 5px 0; }

/* teaches list */
.teaches {
  border: 1px solid var(--line); background: var(--panel);
  border-radius: var(--radius); padding: 16px 18px; margin: 22px 0;
}
.teaches h2 {
  font-family: var(--font-mono); font-size: .76rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent);
  border: none; padding: 0; margin-bottom: 8px;
}
.teaches ul { margin: 0; padding-left: 20px; }
.teaches li { margin: 4px 0; }

/* callouts */
.callout {
  border-radius: var(--radius); padding: 14px 16px 14px 18px;
  margin: 20px 0; border: 1px solid var(--line);
  position: relative;
}
.callout .callout-label {
  font-family: var(--font-mono); font-size: .68rem;
  letter-spacing: .18em; text-transform: uppercase;
  display: block; margin-bottom: 5px;
}
.callout p { margin: 0; }
.callout.mistake { border-left: 4px solid var(--danger); background: rgba(184,92,92,0.09); }
.callout.mistake .callout-label { color: var(--danger); }
.callout.tip { border-left: 4px solid var(--accent-2); background: rgba(111,143,114,0.10); }
.callout.tip .callout-label { color: var(--accent-2); }

/* hero icon slot */
.hero-icon {
  display: flex; align-items: center; justify-content: center;
  width: 84px; height: 84px; border: 1px solid var(--line);
  background: var(--panel-2); border-radius: var(--radius);
  margin-bottom: 16px; color: var(--accent);
}
.hero-icon svg { width: 48px; height: 48px; }

/* ---------- Cards ---------- */
.card-grid {
  display: grid; gap: 16px; margin: 18px 0;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
}
.field-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--line); background: var(--panel);
  border-radius: var(--radius); padding: 16px;
  position: relative; overflow: hidden;
  color: var(--text);
}
.field-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.field-card:hover {
  border-color: var(--accent); text-decoration: none;
  transform: translateY(-2px); transition: .15s;
}
.field-card .fc-ico { color: var(--accent-2); margin-bottom: 10px; }
.field-card .fc-ico svg { width: 26px; height: 26px; }
.field-card h3 {
  font-size: 1.06rem; text-transform: uppercase; margin-bottom: 5px;
}
.field-card p { font-size: .88rem; color: var(--muted); margin: 0; }
.field-card .fc-more {
  margin-top: auto; padding-top: 10px;
  font-family: var(--font-mono); font-size: .7rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--accent);
}

/* ---------- Tags / stamps ---------- */
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin: 14px 0; }
.stamp {
  font-family: var(--font-mono); font-size: .66rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--paper); border: 1px solid var(--accent);
  padding: 3px 8px; border-radius: 2px;
  transform: rotate(-1.5deg);
}
.stamp.olive { border-color: var(--accent-2); color: var(--accent-2); }
.stamp.steel { border-color: var(--accent-3); color: var(--accent-3); }

/* ---------- Hero (home) ---------- */
.hero {
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(13,17,23,0.86), rgba(13,17,23,0.93)),
    repeating-linear-gradient(45deg, var(--panel-2) 0 18px, var(--panel) 18px 36px);
  border-radius: var(--radius);
  padding: 44px 36px; margin-bottom: 28px;
}
.hero h1 {
  font-size: 3rem; text-transform: uppercase; letter-spacing: .04em;
  margin-bottom: 8px;
}
.hero .hero-sub {
  font-size: 1.1rem; color: var(--muted); max-width: 620px; margin-bottom: 22px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; font-size: .98rem;
  letter-spacing: .04em; text-transform: uppercase;
  padding: 11px 20px; border-radius: var(--radius);
  cursor: pointer; border: 1px solid var(--accent);
}
.btn-primary { background: var(--accent); color: #1a1300; }
.btn-primary:hover { background: #d8b873; text-decoration: none; }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--panel-2); text-decoration: none; }

.home-section { margin-top: 36px; }
.home-section > h2 {
  font-size: 1.5rem; text-transform: uppercase;
  display: flex; align-items: center; gap: 12px;
}
.home-section > h2::after {
  content: ""; flex: 1; height: 1px; background: var(--line);
}

.update-callout {
  border: 1px solid var(--accent); background: var(--panel);
  border-radius: var(--radius); padding: 18px 20px; margin-top: 34px;
}
.update-callout .uc-label {
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--accent);
}
.update-callout h3 { margin: 4px 0 8px; text-transform: uppercase; }
.update-callout p { margin: 6px 0; color: var(--muted); }

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky; top: calc(var(--topbar-h) + 22px);
  display: flex; flex-direction: column; gap: 16px;
}
.side-card {
  border: 1px solid var(--line); background: var(--panel);
  border-radius: var(--radius); padding: 14px;
}
.side-card h4 {
  font-family: var(--font-mono); font-size: .7rem;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 10px;
}
.side-card.dossier { border-style: dashed; }
.side-list { list-style: none; margin: 0; padding: 0; }
.side-list li { margin: 6px 0; font-size: .88rem; }
.side-list a { color: var(--text); }
.side-list a:hover { color: var(--accent); }
.source-item { font-size: .82rem; color: var(--muted); margin: 8px 0; }
.source-item .src-name { color: var(--text); font-weight: 600; }
.source-item .src-note { display: block; }

.toc-link {
  display: block; font-size: .85rem; color: var(--muted);
  padding: 3px 0;
}
.toc-link:hover { color: var(--accent); }

.ad-slot {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel-2);
  padding: 8px; min-height: 100px; overflow: hidden;
}
.ad-slot::before {
  content: "Advertisement";
  display: block; text-align: center;
  font-family: var(--font-mono); font-size: .6rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 6px;
}
.ad-slot .adsbygoogle { display: block; }

/* ---------- Related pages ---------- */
.related-block { margin-top: 36px; }
.related-block h2 {
  font-size: 1.3rem; text-transform: uppercase;
  border-bottom: 1px solid var(--line); padding-bottom: 6px;
}

/* ---------- Footer ---------- */
.sitefooter {
  border-top: 1px solid var(--line);
  background: var(--panel);
  margin-top: 30px;
}
.footer-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 30px 18px;
  display: grid; gap: 24px;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
}
.footer-inner h4 {
  font-family: var(--font-mono); font-size: .7rem;
  letter-spacing: .18em; text-transform: uppercase; color: var(--accent);
}
.footer-inner ul { list-style: none; margin: 8px 0 0; padding: 0; }
.footer-inner li { margin: 5px 0; }
.footer-inner a { color: var(--muted); font-size: .88rem; }
.footer-inner a:hover { color: var(--text); }
.footer-bot {
  border-top: 1px solid var(--line);
  text-align: center; padding: 14px; font-size: .78rem; color: var(--muted);
}
.footer-bot .disclaimer { display: block; margin-top: 4px; font-size: .72rem; }

/* ---------- Search overlay ---------- */
.search-overlay {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(7,10,14,0.82);
  display: flex; justify-content: center;
  padding-top: 9vh;
}
.search-overlay[hidden] { display: none; }
.search-panel {
  width: min(640px, 92vw); height: max-content;
  background: var(--panel); border: 1px solid var(--accent);
  border-radius: var(--radius);
}
.search-input-row {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.search-input-row input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--text); font-size: 1.05rem; font-family: var(--font-body);
}
.search-close {
  background: var(--panel-2); border: 1px solid var(--line);
  color: var(--muted); border-radius: 3px; padding: 4px 8px;
  font-family: var(--font-mono); font-size: .72rem; cursor: pointer;
}
.search-results { max-height: 56vh; overflow-y: auto; padding: 6px; }
.search-result {
  display: block; padding: 9px 12px; border-radius: 3px; color: var(--text);
}
.search-result:hover, .search-result.active {
  background: var(--panel-2); text-decoration: none;
}
.search-result .sr-cat {
  font-family: var(--font-mono); font-size: .66rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
}
.search-result .sr-title { font-weight: 600; }
.search-result .sr-desc { font-size: .82rem; color: var(--muted); }
.search-empty {
  padding: 22px; text-align: center; color: var(--muted);
  font-family: var(--font-mono); font-size: .82rem;
}

/* ---------- Nav scrim (mobile) ---------- */
.nav-scrim {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(7,10,14,0.6);
}
.nav-scrim[hidden] { display: none; }

/* ---------- Misc ---------- */
.notfound { text-align: center; padding: 60px 20px; }
.notfound h1 { font-size: 4rem; color: var(--accent); }
.tips-list { list-style: none; padding: 0; margin: 18px 0; }
.tips-list li {
  border: 1px solid var(--line); background: var(--panel);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius); padding: 12px 16px; margin: 10px 0;
}
.tips-list li .tip-cat {
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent); display: block;
}
.update-entry {
  border: 1px solid var(--line); background: var(--panel);
  border-radius: var(--radius); padding: 16px 18px; margin: 14px 0;
}
.update-entry .ue-date {
  font-family: var(--font-mono); font-size: .72rem;
  color: var(--accent); letter-spacing: .1em;
}
.role-tag {
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent-3);
}
.prose-narrow { max-width: 760px; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .layout { grid-template-columns: 220px minmax(0,1fr); }
  .sidebar { display: none; }
}
@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; padding-top: 16px; }
  .nav-toggle { display: flex; }
  .search-btn span, .search-btn kbd { display: none; }
  .sidenav {
    position: fixed; top: var(--topbar-h); left: 0; bottom: 0;
    width: 260px; max-height: none; z-index: 85;
    border-radius: 0; transform: translateX(-100%);
    transition: transform .2s ease;
  }
  .sidenav.open { transform: translateX(0); }
  .hero { padding: 30px 22px; }
  .hero h1 { font-size: 2.1rem; }
  .page-title { font-size: 1.9rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
}