:root{
  --legacy-content:1320px;
  --legacy-sidebar:272px;
  --legacy-blue:#6174a8;
  --legacy-blue-soft:#edf1fb;
}
html{scroll-behavior:smooth;scroll-padding-top:148px}
body{min-height:100vh;background:var(--ru-page);color:var(--ru-text)}
a{color:var(--ru-link)}
img{max-width:100%;height:auto}
button,input,select{font:inherit}
button{color:inherit}

/* Chronicle rail under the shared RUSaCis header. */
.site-header{position:sticky;top:0;z-index:900;background:var(--ru-sub);border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 4px 14px rgba(25,32,50,.08)}
.site-header__inner{width:min(calc(100% - 32px),var(--legacy-content));min-height:45px;margin:0 auto;display:flex;align-items:center;gap:12px}
.site-header__label{color:#aeb8d2;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.07em;white-space:nowrap;margin-right:4px}
.top-nav{display:flex;align-self:stretch;gap:1px;overflow:auto;scrollbar-width:none}
.top-nav::-webkit-scrollbar{display:none}
.top-nav a{display:flex;align-items:center;padding:0 10px;color:#dce1ed;font-size:12px;white-space:nowrap;border-bottom:2px solid transparent}
.top-nav a:hover{color:#fff;background:rgba(255,255,255,.055)}
.top-nav a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.09);border-bottom-color:#aebce0;font-weight:800}
.header-actions{margin-left:auto;display:flex;gap:7px}
.icon-button{height:30px;padding:0 10px;border:1px solid rgba(255,255,255,.14);border-radius:4px;background:rgba(255,255,255,.04);color:#e8ebf4;cursor:pointer;font-size:12px}
.icon-button:hover{background:rgba(255,255,255,.09)}

/* Hero / page metadata. */
.hero{width:min(calc(100% - 32px),var(--legacy-content));margin:20px auto 14px;padding:0}
.hero--index{margin-bottom:18px}
.legacy-breadcrumbs{display:flex;align-items:center;gap:7px;margin:0 0 9px;color:var(--ru-muted);font-size:12px}
.legacy-breadcrumbs a{color:var(--ru-muted)}
.legacy-breadcrumbs a:hover{color:var(--ru-link)}
.eyebrow{margin-bottom:3px;color:#7c8495;font-size:10px;text-transform:uppercase;letter-spacing:.11em;font-weight:800}
h1{margin:0;color:#252b39;font:750 clamp(26px,3vw,35px)/1.18 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;letter-spacing:-.025em}
.hero__subtitle{max-width:850px;margin:7px 0 0;color:var(--ru-muted);font-size:14px;line-height:1.6}
.legacy-meta,.archive-stats{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:12px}
.legacy-meta__item,.archive-stat{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;border:1px solid var(--ru-border);border-radius:4px;background:#fff;color:#747c8c;font-size:11px;box-shadow:0 1px 1px rgba(26,34,52,.025)}
.legacy-meta__item strong,.archive-stat strong{color:#46516b;font-weight:800}

/* Previous / next chronicle navigation. */
.chronicle-pager{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px}
.chronicle-pager--hero{max-width:700px;margin-top:13px}
.chronicle-pager--bottom{grid-column:2;margin:4px 0 30px}
.chronicle-pager__link{min-width:0;padding:8px 11px;border:1px solid var(--ru-border);border-radius:4px;background:#fff;box-shadow:0 1px 1px rgba(26,34,52,.03);color:#48536d}
.chronicle-pager__link:hover{border-color:#aeb9d2;background:#fbfcff;color:#314b82}
.chronicle-pager__link small{display:block;color:#8a91a0;font-size:10px;text-transform:uppercase;letter-spacing:.045em;font-weight:700}
.chronicle-pager__link span{display:block;overflow:hidden;margin-top:1px;font-size:12px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}
.chronicle-pager__link--next{text-align:right}

/* Chronicle content layout. */
.page-layout{width:min(calc(100% - 32px),var(--legacy-content));margin:0 auto;padding:0;display:grid;grid-template-columns:var(--legacy-sidebar) minmax(0,1fr);gap:16px;align-items:start}
.sidebar{position:sticky;top:151px;max-height:calc(100vh - 168px);overflow:auto;background:var(--ru-surface);border:1px solid var(--ru-border);border-radius:5px;box-shadow:var(--ru-shadow)}
.sidebar__title{padding:12px 12px 9px;color:#374055;font-size:12px;font-weight:800;border-bottom:1px solid #eceef2}
.sidebar-search{display:block;width:calc(100% - 20px);height:34px;margin:10px;padding:0 9px;border:1px solid var(--ru-border);border-radius:4px;background:#fff;color:var(--ru-text);outline:none;font-size:12px}
.sidebar-search:focus{border-color:#7d8fbb;box-shadow:0 0 0 3px rgba(97,116,168,.10)}
.sidebar-count{padding:0 11px 7px;color:#9298a5;font-size:10px}
.sidebar-tools{display:grid;grid-template-columns:1fr 1fr;gap:5px;padding:0 10px 9px}
.sidebar-tool{height:29px;border:1px solid var(--ru-border);border-radius:4px;background:#f8f9fb;color:#657087;cursor:pointer;font-size:10px;font-weight:700}
.sidebar-tool:hover{background:#f0f3f8;color:#3d4d73}
.toc{display:flex;flex-direction:column;padding:0 7px 9px;gap:1px}
.toc a{display:grid;grid-template-columns:27px minmax(0,1fr);align-items:start;padding:6px 7px;border-radius:3px;border-left:2px solid transparent;color:#5f6675;font-size:11.5px;line-height:1.3}
.toc a:hover{background:#f3f5f9;color:var(--ru-link)}
.toc a.is-active{background:var(--ru-accent-soft);border-left-color:var(--ru-accent);color:#364c83;font-weight:700}
.toc__num{color:#a1a7b3;font:700 9px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}
.toc__text{min-width:0}
.mobile-toc{display:none}
.article{min-width:0}

/* Sections are rendered like XenForo content blocks, not old archive tables. */
.chronicle-section{position:relative;margin:0 0 11px;background:var(--ru-surface);border:1px solid var(--ru-border);border-radius:5px;box-shadow:var(--ru-shadow);overflow:hidden;content-visibility:auto;contain-intrinsic-size:auto 520px}
.chronicle-section:target{border-color:#9baad0;box-shadow:0 0 0 2px rgba(97,116,168,.09),var(--ru-shadow)}
.chronicle-section.is-collapsed{content-visibility:visible}
.section-titlebar{display:grid;grid-template-columns:34px minmax(0,1fr) 30px;align-items:center;min-height:52px;padding:0 10px 0 0;border-bottom:1px solid #e7e9ee;background:linear-gradient(#fff,#fdfdfe)}
.section-titlebar__num{align-self:stretch;display:grid;place-items:center;border-right:1px solid #eef0f4;color:#a0a7b5;font:800 10px/1 ui-monospace,SFMono-Regular,Consolas,monospace}
.section-titlebar h2{min-width:0;margin:0;padding:13px 14px;border:0;color:#2c3446;font-size:19px;line-height:1.3}
.section-collapse{width:28px;height:28px;border:1px solid transparent;border-radius:4px;background:transparent;color:#858d9d;cursor:pointer;font-size:18px;line-height:1}
.section-collapse:hover{border-color:var(--ru-border);background:#f6f7fa;color:#46516d}
.section-body{padding:17px 22px 20px}
.chronicle-section.is-collapsed .section-titlebar{border-bottom:0}
.chronicle-section.is-collapsed .section-body{display:none}
.chronicle-section.is-collapsed .section-collapse{font-size:15px}

h2{color:#293142}
h3{margin:24px 0 10px;color:#303748;font-size:17px;line-height:1.35}
h4{margin:20px 0 8px;color:#384052;font-size:15px}
h5{margin:18px 0 7px;color:#444b5b;font-size:13px}
p{margin:0 0 11px}
ul,ol{margin:7px 0 14px;padding-left:22px}
li+li{margin-top:3px}
blockquote{margin:15px 0;padding:9px 13px;border-left:3px solid var(--ru-accent);background:#f6f8fc;color:#4e5667}
.legacy-prose{margin:0 0 3px}
.legacy-prose:after{content:"";display:table;clear:both}
.legacy-center{text-align:center}
.article .bbs05,.article .bbs01,.article .np01b{display:block;margin:17px 0 7px;padding:0;color:#37435a;font-weight:800;font-size:13px}
.article .np04,.article .tb01,.article .tb02{color:inherit}
.article .title{font-weight:750}

/* Tables: data stays tabular; obsolete layout wrappers were removed from HTML. */
.legacy-table{width:100%;max-width:100%;border-collapse:collapse;margin:13px 0;background:#fff;font-size:13px}
.legacy-table th,.legacy-table td{padding:7px 8px;border:1px solid #e0e3e8;vertical-align:top}
.legacy-table th,.legacy-table thead td{background:#f4f6f9;color:#3f4758;font-weight:700}
.legacy-table.is-striped>tbody>tr:nth-child(even)>td{background:#fafbfc}
.legacy-table.is-compact th,.legacy-table.is-compact td{padding:5px 6px}
.table-scroll{overflow-x:auto;margin:13px -2px;padding:0 2px;scrollbar-color:#c5cad4 transparent;scrollbar-width:thin}
.table-scroll>table{margin:0;min-width:620px}

/* Unified archive galleries / viewer. */
.screenshot,.signPics,.whiteBox,.greyBox{margin:14px auto}
.lightbox-image{cursor:zoom-in}
.screenshot img,.section-body>img,.legacy-center>img,.legacy-prose>img,.legacy-prose p>img{display:block;margin:13px auto;border:1px solid #dfe2e8;border-radius:4px;box-shadow:0 4px 14px rgba(32,40,60,.08)}
.gallery-main{max-height:620px;object-fit:contain}
.legacy-gallery-thumbs{display:flex;align-items:center;gap:7px;overflow-x:auto;margin:8px auto 18px;padding:8px;border:1px solid #e2e5ea;border-radius:4px;background:#f7f8fa;scrollbar-width:thin}
.gallery-thumb{flex:0 0 auto;width:102px;height:75px!important;object-fit:cover;border:2px solid transparent;border-radius:3px;opacity:.78;cursor:pointer;transition:.15s ease}
.gallery-thumb:hover,.gallery-thumb:focus{opacity:1;border-color:#98a7cc;outline:0}
.gallery-thumb.is-active{opacity:1;border-color:#6174a8;box-shadow:0 0 0 2px rgba(97,116,168,.11)}
.missing-asset{display:none}
.legacy-lightbox[hidden]{display:none}
.legacy-lightbox{position:fixed;z-index:3000;inset:0;display:grid;place-items:center;padding:28px;background:rgba(17,22,34,.91);backdrop-filter:blur(3px)}
.legacy-lightbox__panel{position:relative;display:grid;grid-template-columns:48px minmax(0,1fr) 48px;grid-template-rows:minmax(0,1fr) auto;width:min(96vw,1500px);height:min(92vh,980px)}
.legacy-lightbox__image{grid-column:2;grid-row:1;align-self:center;justify-self:center;max-width:100%;max-height:calc(92vh - 58px);object-fit:contain;border-radius:3px;box-shadow:0 18px 60px rgba(0,0,0,.42)}
.legacy-lightbox__close,.legacy-lightbox__nav{border:0;background:transparent;color:#fff;cursor:pointer}
.legacy-lightbox__close{position:absolute;z-index:2;right:4px;top:-4px;width:42px;height:42px;font-size:32px;opacity:.85}
.legacy-lightbox__close:hover{opacity:1}
.legacy-lightbox__nav{grid-row:1;align-self:center;width:44px;height:70px;border-radius:4px;font-size:42px;line-height:1;opacity:.65}
.legacy-lightbox__nav:hover{background:rgba(255,255,255,.08);opacity:1}
.legacy-lightbox__nav--prev{grid-column:1}.legacy-lightbox__nav--next{grid-column:3}
.legacy-lightbox__footer{grid-column:1/-1;grid-row:2;display:flex;justify-content:space-between;gap:16px;padding:10px 52px 0;color:#d7dbea;font-size:12px}
body.has-lightbox{overflow:hidden}

/* Back to top / footer. */
.back-to-top{position:fixed;right:18px;bottom:18px;z-index:850;opacity:0;pointer-events:none;transform:translateY(6px);transition:.18s ease;height:36px;padding:0 12px;border:1px solid var(--ru-border-strong);border-radius:4px;background:#fff;color:#46516d;cursor:pointer;box-shadow:0 6px 22px rgba(36,44,64,.12)}
.back-to-top.is-visible{opacity:1;pointer-events:auto;transform:none}
.site-footer{margin-top:8px;border-top:1px solid var(--ru-border);color:var(--ru-muted)}
.site-footer__inner{width:min(calc(100% - 32px),var(--legacy-content));margin:0 auto;padding:18px 0 28px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px}
.translate-host{min-width:120px}

/* Legacy landing page. */
.archive-filter{width:min(calc(100% - 32px),var(--legacy-content));margin:0 auto 14px;display:flex;align-items:center;gap:10px;padding:9px;background:#fff;border:1px solid var(--ru-border);border-radius:5px;box-shadow:var(--ru-shadow)}
.archive-filter__input{min-width:0;flex:1;height:35px;padding:0 10px;border:1px solid var(--ru-border);border-radius:4px;background:#fafbfc;color:var(--ru-text);outline:none;font-size:12px}
.archive-filter__input:focus{border-color:#8192bb;box-shadow:0 0 0 3px rgba(97,116,168,.1);background:#fff}
.archive-filter__hint{flex:0 0 auto;padding:0 7px;color:#9298a5;font-size:11px}
.archive-era{width:min(calc(100% - 32px),var(--legacy-content));margin:0 auto 21px}
.archive-era__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:0 1px 8px}
.archive-era__head h2{margin:0;color:#374055;font-size:14px;font-weight:800}
.archive-era__head p{margin:0;color:#949aa7;font-size:11px}
.chronicle-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.chronicle-card{position:relative;min-height:158px;overflow:hidden;border:1px solid var(--ru-border);border-radius:5px;background:#1e2432;box-shadow:var(--ru-shadow)}
.chronicle-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.78) brightness(.61);transition:.2s ease}
.chronicle-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,28,40,.03) 20%,rgba(19,24,36,.94) 100%)}
.chronicle-card__content{position:absolute;z-index:1;inset:auto 13px 12px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:2px 9px}
.chronicle-card__top{grid-column:1/-1;display:flex;align-items:center;gap:7px;margin-bottom:2px}
.chronicle-card__code{display:inline-flex;align-items:center;justify-content:center;min-width:29px;height:19px;padding:0 5px;border:1px solid rgba(205,216,242,.36);border-radius:3px;background:rgba(39,48,70,.72);color:#e5eaf7;font-size:9px;font-weight:800}
.chronicle-card__label{color:#bdc8e2;font-size:9px;text-transform:uppercase;letter-spacing:.07em;font-weight:700}
.chronicle-card__name{min-width:0;color:#fff;font-size:17px;line-height:1.2;font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chronicle-card__arrow{color:#dbe1f0;font-size:18px;line-height:1;opacity:.7;transition:.18s ease}
.chronicle-card:hover{border-color:#9ba8c8}
.chronicle-card:hover img{transform:scale(1.018);filter:saturate(.87) brightness(.67)}
.chronicle-card:hover .chronicle-card__arrow{transform:translateX(2px);opacity:1}
.empty-filter{padding:22px;border:1px dashed var(--ru-border);border-radius:4px;background:#fafbfc;color:var(--ru-muted);text-align:center;font-size:12px}
.archive-empty{width:min(calc(100% - 32px),var(--legacy-content));margin:0 auto 35px}
.archive-era.is-empty{display:none}

@media(max-width:1050px){
  .chronicle-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:980px){
  .page-layout{grid-template-columns:1fr}
  .sidebar{display:none}
  .mobile-toc{display:flex;align-items:center;gap:8px;position:sticky;top:45px;z-index:840;margin:0 0 10px;padding:8px 10px;background:#fff;border:1px solid var(--ru-border);border-radius:5px;box-shadow:0 4px 13px rgba(30,39,58,.07)}
  .mobile-toc label{flex:0 0 auto;color:#737b8c;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
  .mobile-toc select{min-width:0;flex:1;height:33px;padding:0 8px;border:1px solid var(--ru-border);border-radius:4px;background:#fafbfc;color:#485166;font-size:12px}
  .chronicle-pager--bottom{grid-column:1}
}
@media(max-width:700px){
  html{scroll-padding-top:150px}
  .site-header__inner{width:100%;padding:0 10px}
  .site-header__label{display:none}
  .hero{width:calc(100% - 24px);margin-top:15px}
  .page-layout,.archive-filter,.archive-era,.archive-empty{width:calc(100% - 24px)}
  .header-actions .translate-button{display:none}
  .section-body{padding:14px 13px 16px}
  .section-titlebar{grid-template-columns:30px minmax(0,1fr) 30px}
  .section-titlebar h2{padding:11px 10px;font-size:16px}
  .legacy-table{font-size:11.5px}
  .chronicle-pager{grid-template-columns:1fr}
  .chronicle-pager__spacer{display:none}
  .chronicle-pager__link--next{text-align:left}
  .chronicle-grid{grid-template-columns:1fr}
  .chronicle-card{min-height:145px}
  .archive-era__head p{display:none}
  .archive-filter__hint{display:none}
  .legacy-lightbox{padding:10px}
  .legacy-lightbox__panel{grid-template-columns:36px minmax(0,1fr) 36px;width:100%;height:96vh}
  .legacy-lightbox__nav{width:34px;font-size:34px}
  .legacy-lightbox__footer{padding:8px 38px 0;font-size:10px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}