:root {
  --bg: #0e1116;
  --bg-soft: #151a22;
  --bg-card: #1a212b;
  --border: #273140;
  --text: #d7dee8;
  --text-dim: #8a97a8;
  --text-faint: #5d6b7d;
  --qi: #4fd1a5;      /* нефритовая ци — основной акцент */
  --qi-soft: #2c8c70;
  --gold: #d9b25f;    /* золото — реликвии, ступени */
  --yang: #f0a868;
  --yin: #8b7fd6;
  --void: #b85fd9;
  --danger: #e06c75;
  --radius: 10px;
  --sidebar-w: 270px;
  --toc-w: 230px;
  --maxw: 880px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, "SFMono-Regular", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  align-items: start;
  max-width: 1500px;
  margin: 0 auto;
}

/* ---------- Sidebar ---------- */
#sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 22px 18px;
  border-right: 1px solid var(--border);
  background: var(--bg-soft);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .3px;
  color: var(--text);
  text-decoration: none;
  margin-bottom: 4px;
}
.brand .mark {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--qi), var(--qi-soft));
  color: #06120d; font-weight: 800;
}
.brand .sub { color: var(--text-faint); font-weight: 500; font-size: 12px; }

.nav-search {
  width: 100%;
  margin: 16px 0 10px;
  padding: 8px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
}
.nav-search::placeholder { color: var(--text-faint); }
.nav-search:focus { outline: none; border-color: var(--qi-soft); }

.nav-group { margin-top: 18px; }
.nav-group-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-faint);
  margin: 0 0 6px 8px;
}
.nav-link {
  display: block;
  padding: 6px 10px;
  border-radius: 7px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  border-left: 2px solid transparent;
}
.nav-link:hover { background: var(--bg-card); color: var(--text); }
.nav-link.active {
  color: var(--qi);
  background: rgba(79, 209, 165, .08);
  border-left-color: var(--qi);
}
.nav-link.stub { color: var(--text-faint); font-style: italic; }
.nav-link.stub::after { content: " · план"; font-size: 11px; opacity: .7; }

/* ---------- Main ---------- */
main {
  padding: 48px 56px 120px;
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
}

.page-kicker {
  color: var(--qi);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

h1 {
  font-size: 38px;
  line-height: 1.15;
  margin: 8px 0 10px;
  letter-spacing: -.5px;
}
.lead {
  font-size: 18px;
  color: var(--text-dim);
  margin: 0 0 8px;
}

h2 {
  font-size: 26px;
  margin: 52px 0 14px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  letter-spacing: -.3px;
}
h3 { font-size: 19px; margin: 30px 0 10px; color: #eef2f7; }
h4 { font-size: 15px; margin: 22px 0 6px; color: var(--gold); text-transform: uppercase; letter-spacing: .5px; }

p { margin: 12px 0; }
a { color: var(--qi); }
strong { color: #eef2f7; }
ul, ol { padding-left: 22px; }
li { margin: 6px 0; }

code {
  font-family: var(--mono);
  font-size: .88em;
  background: var(--bg-card);
  padding: 2px 6px;
  border-radius: 5px;
  color: var(--gold);
}

blockquote {
  margin: 18px 0;
  padding: 12px 18px;
  border-left: 3px solid var(--qi-soft);
  background: var(--bg-soft);
  border-radius: 0 8px 8px 0;
  color: var(--text-dim);
}

hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

/* Cards / callouts */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 16px 0;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

.callout {
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 18px 0;
  border: 1px solid var(--border);
  background: var(--bg-soft);
}
.callout.tip    { border-left: 3px solid var(--qi); }
.callout.warn   { border-left: 3px solid var(--danger); }
.callout.idea   { border-left: 3px solid var(--gold); }
.callout .ttl { font-weight: 700; display: block; margin-bottom: 4px; }

.tag {
  display: inline-block;
  font-size: 12px;
  padding: 2px 9px;
  border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  margin: 2px 4px 2px 0;
}
.tag.qi   { color: var(--qi);   border-color: var(--qi-soft); }
.tag.gold { color: var(--gold); border-color: #6e5b2c; }
.tag.yin  { color: var(--yin);  border-color: #4a4180; }
.tag.yang { color: var(--yang); border-color: #7a5230; }
.tag.void { color: var(--void); border-color: #6a3380; }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--text-faint); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .5px; }
tbody tr:hover { background: var(--bg-soft); }
td .rk { font-weight: 700; color: var(--gold); }

/* Realm ladder */
.ladder { margin: 18px 0; }
.rung {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.rung .lvl {
  font-weight: 800;
  font-size: 18px;
  color: #06120d;
  background: linear-gradient(135deg, var(--qi), var(--qi-soft));
  border-radius: 9px;
  display: grid; place-items: center;
  height: 38px;
}
.rung.t-high .lvl { background: linear-gradient(135deg, var(--gold), #9a7a2e); }
.rung.t-peak .lvl { background: linear-gradient(135deg, var(--void), #6a3380); color: #fff; }
.rung .rname { font-weight: 700; color: #eef2f7; font-size: 16px; }
.rung .rmacro { color: var(--text-dim); font-size: 14px; margin-top: 2px; }
.rung .rmacro b { color: var(--qi); font-weight: 600; }

/* ---------- TOC ---------- */
#toc {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 48px 18px;
  font-size: 13px;
}
.toc-title {
  color: var(--text-faint);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: .8px;
  margin-bottom: 10px;
}
#toc a {
  display: block;
  color: var(--text-dim);
  text-decoration: none;
  padding: 4px 10px;
  border-left: 2px solid var(--border);
  line-height: 1.4;
}
#toc a.lvl3 { padding-left: 22px; font-size: 12px; }
#toc a:hover { color: var(--text); }
#toc a.active { color: var(--qi); border-left-color: var(--qi); }

footer {
  color: var(--text-faint);
  font-size: 13px;
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ---------- AS-BUILT (текущая реализация, не целевой дизайн) ---------- */
.doc-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
  margin-left: 12px;
  vertical-align: middle;
  color: #1c1206;
  background: linear-gradient(135deg, var(--yang), #c9772f);
}
h1 .doc-badge { font-size: 13px; }

.callout.asbuilt {
  border-left: 3px solid var(--yang);
  background: rgba(240, 168, 104, .06);
}

.tag.ok   { color: var(--qi);        border-color: var(--qi-soft); }
.tag.wip  { color: var(--yang);      border-color: #7a5230; }
.tag.hold { color: var(--text-faint); border-color: var(--border); }

.nav-link.asbuilt::before { content: "▪ "; color: var(--yang); opacity: .8; }
.nav-group-title .mini {
  color: var(--yang);
  font-weight: 700;
  letter-spacing: .5px;
}

/* Responsive */
@media (max-width: 1180px) {
  .layout { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
  #toc { display: none; }
}
@media (max-width: 780px) {
  .layout { grid-template-columns: 1fr; }
  #sidebar { position: static; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
  main { padding: 28px 20px 80px; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
}