/* ==========================================================================
   FxMath ML Native (PIPS) — Licensed Edition documentation
   ========================================================================== */
:root{
  --bg:#0b0f1c;
  --bg2:#0f1424;
  --panel:#141a2c;
  --panel2:#1a2038;
  --line:#252c47;
  --txt:#e6e9f4;
  --dim:#98a1bd;
  --dim2:#6b7390;
  --gold:#f2c14e;
  --green:#5fd08a;
  --red:#ff6b6b;
  --blue:#6f9bff;
  --purple:#b98cff;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --top:64px;
  --side:330px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font:15px/1.68 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
code,kbd,pre{font-family:var(--mono)}
code{background:#1b2138;border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-size:.88em;color:#ffd98a}
pre{
  background:#0d1223;border:1px solid var(--line);border-radius:10px;padding:14px 16px;
  overflow:auto;font-size:12.8px;line-height:1.6;position:relative;margin:14px 0;color:#c8d2f0;
}
pre.ascii{color:#8fa2d8;background:#0a0e1c}
pre .cmt{color:#5d688a}
pre .ok{color:var(--green)}
pre .bad{color:var(--red)}
pre .key{color:var(--gold)}
.copy{
  position:absolute;top:8px;right:8px;font-size:11px;padding:3px 8px;border-radius:6px;
  background:#1c2340;border:1px solid var(--line);color:var(--dim);cursor:pointer;opacity:0;transition:.15s
}
pre:hover .copy{opacity:1}
.copy:hover{background:#27305a;color:#fff}

/* ---------- top bar ---------- */
.topbar{
  position:sticky;top:0;z-index:40;height:var(--top);display:flex;align-items:center;gap:18px;
  padding:0 20px;background:rgba(11,15,28,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)
}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.logo{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-weight:800;font-size:13px;
  color:#1a1206;background:linear-gradient(160deg,#f7d072,#e0a52c);letter-spacing:.5px;flex:none
}
.brand b{display:block;font-size:13.5px;letter-spacing:.2px}
.brand i{display:block;font-style:normal;font-size:11.5px;color:var(--dim2)}
.search{position:relative;margin-left:auto;display:flex;align-items:center}
.search input{
  width:320px;max-width:38vw;padding:9px 34px 9px 12px;border-radius:9px;background:var(--panel2);
  border:1px solid var(--line);color:var(--txt);outline:none;font-size:13.5px
}
.search input:focus{border-color:#3b4a7a;background:#1d2440}
.search .kbd{position:absolute;right:10px;color:var(--dim2);font-size:11px;border:1px solid var(--line);
  border-radius:4px;padding:0 5px;background:#141a2c}
.actions{display:flex;gap:8px}
.btn{padding:8px 13px;border-radius:9px;border:1px solid var(--line);background:var(--panel2);
  color:var(--txt);cursor:pointer;font-size:13px}
.btn:hover{background:#28305a}
.btn.ghost{background:transparent}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:var(--side) 1fr;align-items:start}
.sidebar{
  position:sticky;top:var(--top);height:calc(100vh - var(--top));overflow-y:auto;
  border-right:1px solid var(--line);background:linear-gradient(180deg,var(--bg2),var(--bg));
  padding:16px 0 40px
}
.nav-head{display:flex;justify-content:space-between;padding:6px 20px 10px;font-size:11px;
  text-transform:uppercase;letter-spacing:.09em;color:var(--dim2)}
.nav-group{padding:14px 20px 5px;font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:var(--gold);opacity:.85}
.nav-item{display:block;padding:6px 20px 6px 24px;font-size:13.5px;color:var(--dim);border-left:2px solid transparent;
  cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item:hover{color:var(--txt);background:#161d33}
.nav-item.active{color:var(--gold);border-left-color:var(--gold);background:#171e36}
.nav-item .num{color:var(--dim2);font-size:11px;margin-right:7px;font-variant-numeric:tabular-nums}
.sidebar-foot{margin-top:26px;padding:14px 20px;border-top:1px solid var(--line);font-size:11.5px;color:var(--dim2);
  display:grid;gap:2px}
.sidebar-foot>span{margin-top:8px;text-transform:uppercase;letter-spacing:.07em;font-size:10px;color:var(--dim2)}
.sidebar-foot code{font-size:11px;display:block;overflow-wrap:anywhere;background:transparent;border:none;padding:0;color:var(--dim)}

.content{padding:34px 46px 90px;max-width:1000px;min-width:0}
#doc>section{display:none}
#doc>section.active{display:block;animation:fade .18s ease}
#doc.all>section{display:block;border-top:1px dashed var(--line);padding-top:34px;margin-top:34px}
#doc.all>section:first-child{border-top:none;margin-top:0;padding-top:0}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

h1{font-size:27px;margin:0 0 6px;letter-spacing:-.2px}
h2{font-size:20px;margin:34px 0 10px;padding-bottom:6px;border-bottom:1px solid var(--line)}
h3{font-size:16px;margin:24px 0 8px;color:#f0f3ff}
h4{font-size:14px;margin:18px 0 6px;color:var(--dim)}
p{margin:10px 0}
.lead{font-size:15.5px;color:#c3cbe6}
.crumb{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--gold);margin-bottom:8px}
ul,ol{margin:10px 0 10px 22px;padding:0}
li{margin:5px 0}
hr{border:none;border-top:1px solid var(--line);margin:28px 0}
.muted{color:var(--dim2)}
.small{font-size:12.5px}
.center{text-align:center}

table{width:100%;border-collapse:collapse;margin:14px 0;font-size:13.5px;
  border:1px solid var(--line);border-radius:10px;overflow:hidden}
th,td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#151b30;color:var(--dim);font-size:11px;text-transform:uppercase;letter-spacing:.06em;font-weight:600}
tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#131a2f}
td code,th code{white-space:nowrap}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}

.callout{border:1px solid var(--line);border-left:3px solid var(--blue);background:#111729;
  border-radius:9px;padding:12px 15px;margin:16px 0}
.callout .t{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);margin-bottom:4px}
.callout.warn{border-left-color:var(--gold)} .callout.warn .t{color:var(--gold)}
.callout.danger{border-left-color:var(--red)} .callout.danger .t{color:var(--red)}
.callout.ok{border-left-color:var(--green)} .callout.ok .t{color:var(--green)}
.callout p:first-child{margin-top:0} .callout p:last-child{margin-bottom:0}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;margin:16px 0}
.card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);
  border-radius:11px;padding:13px 15px}
.card .k{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--dim2)}
.card .v{font-size:15px;color:var(--gold);margin-top:3px;font-variant-numeric:tabular-nums}
.card p{margin:6px 0 0;font-size:13px;color:var(--dim)}

.pill{display:inline-block;padding:1px 8px;border-radius:999px;font-size:11.5px;border:1px solid var(--line);
  color:var(--dim);white-space:nowrap}
.pill.on{color:var(--green);border-color:#26543a;background:#12251b}
.pill.off{color:var(--red);border-color:#5a2b36;background:#2a151a}
.pill.warn{color:#ffc46b;border-color:#5a4520;background:#2a2213}
.pill.info{color:var(--blue);border-color:#2a3f6e;background:#131c30}

.results{border:1px solid var(--line);border-radius:11px;background:var(--panel);margin-bottom:24px;padding:8px}
.results h3{margin:8px 12px}
.res{display:block;width:100%;text-align:left;background:transparent;border:none;border-top:1px solid var(--line);
  color:var(--txt);padding:10px 12px;cursor:pointer;font:inherit}
.res:hover{background:#182039}
.res b{color:var(--gold);font-weight:600}
.res span{display:block;color:var(--dim);font-size:12.5px;margin-top:2px}
mark{background:#4d3d10;color:#ffe9a8;border-radius:3px;padding:0 2px}

.pager{display:flex;justify-content:space-between;gap:12px;margin-top:44px}
.pager a{padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:var(--panel);
  max-width:47%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pager a span{display:block;font-size:11px;color:var(--dim2);text-transform:uppercase;letter-spacing:.07em}
.pager .sp{flex:1}
.foot{margin-top:50px;padding-top:16px;border-top:1px solid var(--line);color:var(--dim2);font-size:12px}
.hide{display:none!important}

.toc{background:#111729;border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:16px 0}
.toc div{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--dim2);margin-bottom:6px}
.toc ol{margin:0 0 0 18px}

/* scrollbar */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0c1120}
::-webkit-scrollbar-thumb{background:#242c48;border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:#2f3a5e}

@media (max-width:1000px){
  :root{--side:0px}
  .layout{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:var(--top);width:300px;transform:translateX(-101%);transition:.2s;z-index:45}
  body.nav-open .sidebar{transform:none}
  .content{padding:24px 18px 70px}
  .search input{width:44vw}
  .actions{display:none}
}
@media print{
  .topbar,.sidebar,.pager,.results,.foot{display:none!important}
  .layout{display:block}
  .content{max-width:none;padding:0}
  #doc>section{display:block!important;page-break-inside:avoid}
  body{background:#fff;color:#111}
  pre,table,.callout{background:#f6f7fb;color:#111;border-color:#ccc}
  code{color:#7a4a00;background:#f2f2f5}
  h2{border-color:#ccc}
}