/* RUSaCis / NASC — unified documentation skin.
 * This layer intentionally keeps the generated NASC data untouched and only
 * changes presentation/interaction. The visual language follows the forum:
 * dark blue navigation, light content surfaces, restrained borders and compact UI.
 */
:root{
  --bg:var(--ru-page);--fg:var(--ru-text);--muted:var(--ru-muted);--line:var(--ru-border);--card:#fff;
  --side:#f6f7f9;--accent:var(--ru-link);--accent-bg:var(--ru-accent-soft);--code-bg:#f5f6f8;
  --panel-hover:#f0f3f8;--shadow:0 1px 3px rgba(26,35,55,.06);
  --cg:#9b651e;--cg-bg:#fff3df;--cn:#35744f;--cn-bg:#eaf5ee;--cm:#4d6598;--cm-bg:#e9eef8;
  --cg-t:rgba(155,101,30,.05);--cn-t:rgba(53,116,79,.045);--cm-t:rgba(77,101,152,.05);
  --toolbar-h:56px;--tabs-h:45px;--nasc-sticky:101px;
}
html[data-theme=dark]{
  --ru-page:#12151c;--ru-surface:#191e28;--ru-border:#2d3442;--ru-border-strong:#3a4354;
  --ru-text:#e0e5ee;--ru-muted:#929bac;--ru-link:#83a5df;--ru-link-hover:#a3bceb;--ru-accent-soft:#202a3d;
  --bg:#12151c;--fg:#e0e5ee;--muted:#929bac;--line:#2d3442;--card:#191e28;--side:#161b24;
  --accent:#83a5df;--accent-bg:#202a3d;--code-bg:#11151c;--panel-hover:#202631;
  --shadow:0 1px 3px rgba(0,0,0,.22);
}
html{scroll-padding-top:150px}
body.nasc-page{background:var(--bg);color:var(--fg);min-height:100vh}

/* NASC toolbar */
.nasc-toolbar{position:sticky;top:0;z-index:40;display:flex;gap:10px;align-items:center;height:var(--toolbar-h);
  padding:8px max(16px,calc((100% - 1500px)/2));background:var(--card);border-bottom:1px solid var(--line);
  box-shadow:0 1px 3px rgba(20,28,45,.04)}
.nasc-toolbar h1{display:flex;align-items:baseline;gap:8px;margin:0;white-space:nowrap;min-width:178px}
.nasc-title-main{font-size:17px;color:var(--fg);font-weight:800;letter-spacing:.01em}
.nasc-title-sub{font-size:11px;color:var(--muted);font-weight:500}
.qbox{max-width:650px}
#q{height:38px;padding:0 38px 0 13px;border-radius:4px;background:var(--bg);border-color:var(--line);outline:none}
#q:focus{border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 13%,transparent)}
.qbox:after{content:'Ctrl K';position:absolute;right:9px;top:50%;transform:translateY(-50%);padding:1px 5px;border:1px solid var(--line);
  border-radius:3px;color:var(--muted);font-size:9px;line-height:17px;background:var(--card);pointer-events:none}
#dd{top:calc(100% + 5px);border-radius:4px;box-shadow:0 12px 28px rgba(22,30,48,.16)}
.ddi{padding:8px 10px}.ddi:last-child{border-bottom:0}
.btn{height:34px;padding:0 10px;border-radius:4px;background:var(--card);display:inline-flex;align-items:center;gap:6px}
.btn:hover{background:var(--panel-hover);text-decoration:none}
#sideToggle{display:inline-flex}

/* Primary NASC tabs */
.tabs{position:sticky;top:var(--toolbar-h);z-index:35;min-height:var(--tabs-h);padding:5px max(16px,calc((100% - 1500px)/2));
  gap:2px;background:var(--card);border-bottom:1px solid var(--line)}
.tab{padding:7px 12px;border-radius:3px;color:var(--muted)}
.tab:hover{background:var(--side)}
.tab.active{background:var(--accent-bg);border-color:transparent;color:var(--accent)}
.tab b{margin-left:3px;padding:1px 4px;border-radius:8px;background:color-mix(in srgb,var(--muted) 10%,transparent)}
.xleg{display:none!important}

/* Two-column reference layout */
.layout{grid-template-columns:292px minmax(0,1fr);width:min(100%,1500px);margin:0 auto;transition:grid-template-columns .16s ease}
body.nasc-side-collapsed .layout{grid-template-columns:0 minmax(0,1fr)}
nav{top:var(--nasc-sticky);height:calc(100vh - var(--nasc-sticky));padding:12px 10px;background:var(--side);border-right:1px solid var(--line);
  scrollbar-width:thin;transition:opacity .12s ease,transform .16s ease}
body.nasc-side-collapsed nav{opacity:0;pointer-events:none;overflow:hidden;padding-left:0;padding-right:0;border-right:0}
nav .cnt{padding:3px 6px 8px;font-size:12px}
.legend{gap:9px;padding:0 6px 10px;border-bottom:1px solid var(--line);margin-bottom:8px}
.super{margin-top:12px}
details.grp{margin-bottom:2px}
details.grp>summary{border-radius:3px;padding:6px;font-size:12px;line-height:1.35}
details.grp>summary:before{content:'›';display:inline-block;width:12px;color:var(--muted);font-size:15px;transform:rotate(0deg);transition:transform .12s ease}
details.grp[open]>summary:before{transform:rotate(90deg)}
nav li a{border-radius:3px;padding:4px 7px 4px 8px;background:transparent!important;border-left:2px solid transparent!important}
nav li[data-cls=GLOBAL]>a .ctag{background:var(--cg-bg);color:var(--cg)}
nav li[data-cls=NPC]>a .ctag{background:var(--cn-bg);color:var(--cn)}
nav li[data-cls=MAKER]>a .ctag{background:var(--cm-bg);color:var(--cm)}
nav li a:hover{background:var(--panel-hover)!important}
nav li a.is-current{background:var(--accent-bg)!important;color:var(--accent);font-weight:600}

/* Sidebar quick filter */
.nav-filter{position:sticky;top:-12px;z-index:3;margin:-12px -10px 8px;padding:9px 10px 8px;background:var(--side);border-bottom:1px solid var(--line)}
.nav-filter__box{position:relative}
.nav-filter input{width:100%;height:32px;padding:0 28px 0 9px;border:1px solid var(--line);border-radius:4px;background:var(--card);color:var(--fg);font-size:12px;outline:none}
.nav-filter input:focus{border-color:var(--accent)}
.nav-filter__clear{position:absolute;right:5px;top:4px;width:24px;height:24px;border:0;background:transparent;color:var(--muted);cursor:pointer;border-radius:3px;font-size:15px}
.nav-filter__clear:hover{background:var(--panel-hover);color:var(--fg)}
.nav-filter__hint{display:flex;justify-content:space-between;gap:6px;margin-top:5px;color:var(--muted);font-size:10px}
.nav-filter__count{font-variant-numeric:tabular-nums}

main{max-width:none;padding:0 24px 44px;min-width:0}
.sec-head{top:var(--nasc-sticky);z-index:20;padding:14px 0 11px;background:var(--bg);border-bottom:1px solid var(--line);margin-bottom:12px;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sec-head h2{font-size:18px;color:var(--fg);line-height:1.25}
.sec-n{font-size:12px;margin-right:auto}
.sec-tools{display:flex;align-items:center;justify-content:flex-end;gap:5px;flex-wrap:wrap}
.scope-filter{height:28px;padding:0 8px;border:1px solid var(--line);border-radius:3px;background:var(--card);color:var(--muted);font-size:11px;cursor:pointer}
.scope-filter:hover{background:var(--panel-hover);color:var(--fg)}
.scope-filter.active{background:var(--accent-bg);border-color:color-mix(in srgb,var(--accent) 25%,var(--line));color:var(--accent);font-weight:600}
.scope-filter .n{opacity:.65;margin-left:3px}
.group-details-toggle{height:28px;padding:0 8px;border:1px solid var(--line);border-radius:3px;background:var(--card);color:var(--muted);font-size:11px;cursor:pointer}
.group-details-toggle:hover{background:var(--panel-hover);color:var(--fg)}

/* Reference cards — forum-like, quiet by default */
.card{position:relative;margin-bottom:10px;padding:14px 16px 15px;border:1px solid var(--line);border-left:3px solid var(--line);border-radius:5px;
  background:var(--card);box-shadow:var(--shadow);scroll-margin-top:150px;content-visibility:auto;contain-intrinsic-size:1px 300px}
.card[data-cls=GLOBAL]{border-left-color:var(--cg)}
.card[data-cls=NPC]{border-left-color:var(--cn)}
.card[data-cls=MAKER]{border-left-color:var(--cm)}
.card.is-filtered{display:none}
.card:target,.card.is-target{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 10%,transparent)}
.card-title{font-size:17px;line-height:1.3;margin-bottom:3px;gap:8px}
.card-title .anchor{color:var(--fg);font-weight:700}
.card-title .anchor:hover{color:var(--accent);text-decoration:none}
.badges{gap:4px}
.badge{border-radius:3px;padding:1px 6px;font-size:10px;line-height:18px}
.badge.conf{background:var(--code-bg);border-color:transparent;color:var(--muted);font-weight:500}
.badge.conf-high:before{content:'●';color:var(--dot-high);margin-right:4px}
.badge.conf-mid:before{content:'●';color:var(--dot-mid);margin-right:4px}
.badge.conf-low:before{content:'●';color:var(--dot-low);margin-right:4px}
.card-actions{display:flex;align-items:center;gap:4px;margin-left:auto}
.card-action{width:28px;height:26px;border:1px solid var(--line);border-radius:3px;background:var(--card);color:var(--muted);cursor:pointer;font-size:12px;display:inline-flex;align-items:center;justify-content:center}
.card-action:hover{background:var(--panel-hover);color:var(--accent)}
.card-action.card-more-toggle{width:auto;padding:0 8px;font-size:10px}
.desc{color:var(--muted);font-size:13px;margin:2px 0 8px}
.prose{font-size:14px;line-height:1.58;max-width:1180px}.prose p{margin:6px 0}
main h4{margin:13px 0 5px;font-size:10px;letter-spacing:.07em}
.card-more{display:none;border-top:1px solid var(--line);margin-top:12px;padding-top:1px}
.card.details-open .card-more{display:block}
.card.details-open .card-more-toggle{background:var(--accent-bg);color:var(--accent);border-color:color-mix(in srgb,var(--accent) 25%,var(--line))}

/* Code blocks */
.code-wrap{position:relative}
pre.code{border-radius:4px;padding:10px 42px 10px 12px;margin:0;background:var(--code-bg);font-size:12.5px;line-height:1.5;scrollbar-width:thin}
.code-copy{position:absolute;right:6px;top:6px;height:24px;padding:0 7px;border:1px solid var(--line);border-radius:3px;background:var(--card);color:var(--muted);font-size:9px;cursor:pointer;opacity:.7}
.code-wrap:hover .code-copy,.code-copy:focus{opacity:1}
.code-copy:hover{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}
code.ic,.xref{border-radius:3px}
.footnote{border-radius:4px;font-size:12px}
table.enum,table.members{background:var(--card)}
table.enum tr:hover td,table.members tr:not(.mh):hover td{background:var(--panel-hover)}

/* Empty filtered group */
.group-filter-empty{display:none;padding:34px 14px;text-align:center;color:var(--muted);font-size:13px;border:1px dashed var(--line);border-radius:5px;background:var(--card)}
.group-filter-empty.show{display:block}

/* Mobile navigation drawer */
.nasc-nav-backdrop{display:none;position:fixed;inset:0;z-index:80;background:rgba(8,12,20,.46);backdrop-filter:blur(1px)}
.nasc-nav-backdrop.show{display:block}
@media(max-width:900px){.xleg{display:none}.nasc-toolbar h1{min-width:auto}.nasc-title-sub{display:none}}
@media(max-width:820px){
  :root{--toolbar-h:auto;--tabs-h:45px;--nasc-sticky:45px}
  .nasc-toolbar{position:relative;height:auto;min-height:56px;padding:8px 12px;flex-wrap:wrap}
  .nasc-toolbar h1{width:auto;min-width:95px}.qbox{order:3;width:100%;max-width:none}.qbox:after{content:'/' }
  .tabs{top:0;padding:5px 8px;overflow:auto;flex-wrap:nowrap;overscroll-behavior-x:contain}
  .layout,.nasc-side-collapsed .layout{grid-template-columns:1fr}
  .layout>nav{display:block;position:fixed;left:0;top:0;bottom:0;z-index:90;width:min(330px,88vw);height:100vh;padding:12px 10px;background:var(--side);
    border-right:1px solid var(--line);transform:translateX(-105%);opacity:1;pointer-events:auto;box-shadow:8px 0 30px rgba(0,0,0,.18)}
  body.nasc-nav-open .layout>nav{transform:translateX(0)}
  body.nasc-side-collapsed nav{opacity:1;pointer-events:auto;padding:12px 10px;border-right:1px solid var(--line)}
  .nav-filter{top:-12px;padding-top:12px}
  main{padding:0 10px 30px}.sec-head{top:45px;padding-top:11px}.sec-head h2{font-size:16px;width:100%}.sec-n{margin-right:auto}
  .sec-tools{width:100%;justify-content:flex-start;overflow:auto;flex-wrap:nowrap;padding-bottom:2px}
  .card{padding:12px 12px 13px}.card-title{font-size:16px}.card-actions{width:100%;margin:4px 0 0}.prose{font-size:13.5px}
  .badges{margin-left:0}.group-details-toggle{margin-left:auto}
}
@media(max-width:520px){
  .nasc-toolbar .btn{font-size:0;width:34px;padding:0;justify-content:center}.nasc-toolbar .btn:before{font-size:14px}
  #sideToggle:before{content:'☰'}#theme:before{content:'◐'}#lang{font-size:11px;width:auto;padding:0 8px}
  .tab{padding:7px 9px}.tab b{font-size:9px}.card-action.card-more-toggle{font-size:10px;width:auto}
}

/* Prevent generated NASC generic nav rules from affecting the shared site navigation. */
.docs-global .docs-global__links{position:static;top:auto;height:auto;overflow:auto;padding:0;background:transparent;border:0;font-size:14px}
.docs-global .docs-global__links a{display:flex;align-items:center;padding:0 15px;border-radius:0;border-left:0;color:#eef1f8;background:transparent}
.docs-global .docs-global__links a:hover{background:var(--ru-nav-hover);color:#fff}
.docs-global .docs-global__links a.is-active{background:rgba(0,0,0,.12);color:#fff}
@media(max-width:760px){.docs-global .docs-global__links{height:42px;margin:0 -12px;padding:0;border-top:1px solid rgba(255,255,255,.08)}}