:root{
  --bg:#f4f5f6;
  --paper:#fff;
  --text:#202327;
  --muted:#62676d;
  --line:#d6dbe0;
  --accent:#164d7a;
  --accent-dark:#0c3557;
  --sidebar:#eef2f5;
  --archive:#7a2f20;
  --warn-bg:#fff5dc;
  --warn-border:#b97800;
}
*{box-sizing:border-box}
html{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.55;color:var(--text);background:var(--bg)}
body{margin:0}
a{color:var(--accent)}
a:hover{color:var(--accent-dark)}
.wrap{width:min(1380px,94vw);margin:0 auto}
.skip{position:absolute;left:-9999px;top:auto}
.skip:focus{left:1rem;top:1rem;background:#fff;padding:.75rem;z-index:100}
.site-header{background:var(--paper);border-bottom:1px solid var(--line);padding:1.2rem 0}
.header-grid{display:grid;grid-template-columns:120px 1fr;gap:1.25rem;align-items:center}
.bip-brand img{display:block;max-width:110px;max-height:90px;width:auto;height:auto}
.eyebrow{margin:0 0 .2rem;color:var(--muted);font-size:.9rem;text-transform:uppercase;letter-spacing:.06em}
.site-title{display:inline-block;font-size:1.65rem;font-weight:750;text-decoration:none;color:var(--text)}
.archive-label{display:inline-block;margin:.5rem 0;padding:.25rem .55rem;border:1px solid var(--archive);color:var(--archive);font-weight:700}
.header-actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.35rem}
.search-band{background:#e9edf0;border-bottom:1px solid var(--line);padding:.8rem 0}
.site-search label{display:block;font-weight:700;margin-bottom:.35rem}
.search-row{display:flex;gap:.5rem}
.search-row input{flex:1;min-width:0;padding:.65rem .7rem;border:1px solid #aeb6bd;border-radius:4px;background:#fff;color:var(--text)}
.search-row button{padding:.65rem 1rem;border:1px solid var(--accent);border-radius:4px;background:var(--accent);color:#fff;font-weight:700;cursor:pointer}
.archive-layout{display:grid;grid-template-columns:minmax(210px,260px) minmax(0,1fr) minmax(220px,290px);gap:1.25rem;align-items:start;padding:1.5rem 0 3rem}
.main-content{min-width:0;background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:1.4rem}
.side-menu{background:var(--sidebar);border:1px solid var(--line);border-radius:6px;padding:1rem;font-size:.94rem}
.side-menu h2{font-size:1rem;margin:1.15rem 0 .5rem;padding-bottom:.35rem;border-bottom:1px solid var(--line)}
.side-menu h2:first-child{margin-top:0}
.side-menu ul{list-style:none;padding-left:0;margin:.25rem 0}
.side-menu ul ul{padding-left:1rem;border-left:2px solid #d2d8dd;margin-left:.25rem}
.side-menu li{margin:.15rem 0}
.side-menu a{display:block;padding:.3rem .2rem;text-decoration:none}
.side-menu a:hover{text-decoration:underline}
.card{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:1.1rem;margin:0 0 1rem}
.meta{display:grid;grid-template-columns:minmax(180px,250px) 1fr;gap:.35rem 1rem;margin:1rem 0}
.meta dt{font-weight:700}
.meta dd{margin:0}
table{border-collapse:collapse;width:100%;background:var(--paper)}
th,td{border:1px solid var(--line);padding:.65rem;text-align:left;vertical-align:top}
th{background:#eef1f4}
.badge{display:inline-block;padding:.12rem .42rem;border:1px solid var(--line);border-radius:999px;font-size:.82rem}
.notice{border-left:4px solid var(--warn-border);background:var(--warn-bg);padding:.85rem 1rem;margin:1rem 0}
.archive-notice{border-left:4px solid var(--archive);background:#faf1ef;padding:1rem;margin:1rem 0}
.muted{color:var(--muted)}
.empty{color:var(--muted);font-style:italic}
.doc-content{margin:1rem 0}
.doc-content p{margin:.65rem 0}
.doc-content table{margin:1rem 0}
.doc-content blockquote{margin:1rem 0;padding:.4rem 1rem;border-left:4px solid var(--line)}
.archived-content-image{display:block;max-width:100%;height:auto;margin:1rem auto}
.archived-image-missing{display:inline-block;padding:.35rem .5rem;border:1px dashed #9b6f64;background:#faf1ef;color:#6d352b;font-size:.9rem}
.list-clean{list-style:none;padding:0}
.list-clean li{padding:.55rem 0;border-bottom:1px solid var(--line)}
.actions{display:flex;gap:.75rem;flex-wrap:wrap;margin:1rem 0}
.button{display:inline-block;padding:.5rem .75rem;border:1px solid var(--accent);border-radius:4px;text-decoration:none}
.button.primary{background:var(--accent);color:#fff}
.site-footer{border-top:1px solid var(--line);background:var(--paper);padding:1.25rem 0;color:var(--muted);font-size:.9rem}
.site-footer nav{display:flex;gap:1rem;flex-wrap:wrap}
.breadcrumbs{font-size:.9rem;color:var(--muted);margin-bottom:1rem}
.search-result{padding:1rem 0;border-bottom:1px solid var(--line)}
.search-result h2{margin:.1rem 0 .35rem;font-size:1.1rem}
.search-result p{margin:.25rem 0;color:var(--muted)}
@media(max-width:1000px){
  .archive-layout{grid-template-columns:minmax(190px,240px) minmax(0,1fr)}
  .side-right{grid-column:1/-1}
  .side-right>ul{columns:2;column-gap:2rem}
}
@media(max-width:720px){
  .header-grid{grid-template-columns:80px 1fr}
  .bip-brand img{max-width:72px}
  .site-title{font-size:1.25rem}
  .archive-layout{display:flex;flex-direction:column}
  .main-content{order:1;width:100%}
  .side-right{order:2;width:100%}
  .side-left{order:3;width:100%}
  .side-right>ul{columns:1}
  .meta{grid-template-columns:1fr}
  table{display:block;overflow-x:auto}
  .search-row{flex-direction:column}
}
@media print{
  .side-menu,.search-band,.header-actions,.site-footer{display:none!important}
  .archive-layout{display:block}
  .main-content{border:0;padding:0}
  .wrap{width:100%}
}