/* AUTO-COPIED to web/docs/docs.css — edit docs-src/assets/docs.css then regenerate. */
:root{
  --bg-0:#0a0a0c;
  --glass-bg:rgba(28,28,34,.55); --glass-brd:rgba(255,255,255,.08); --glass-hi:rgba(255,255,255,.04);
  --text:#e8e8ea; --text-dim:#9a9aa2; --text-soft:#c8c8ce; --text-faint:#5f5f68;
  --accent:#f49d4e; --accent-dim:#df7136; --accent-grad:linear-gradient(90deg,#f49d4e,#df7136);
}
*{box-sizing:border-box;}
html,body{margin:0;scroll-behavior:smooth;}
body{
  background:var(--bg-0);color:var(--text);
  font:15px/1.65 -apple-system,system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(80% 55% at 78% -5%, rgba(244,157,78,.10) 0%, transparent 55%),
    radial-gradient(60% 50% at 8% 8%, rgba(223,113,54,.07) 0%, transparent 50%);
  background-attachment:fixed;
}
a{color:inherit;}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
.glass{background:var(--glass-bg);border:1px solid var(--glass-brd);
  backdrop-filter:blur(22px) saturate(140%);-webkit-backdrop-filter:blur(22px) saturate(140%);
  box-shadow:inset 0 1px 0 var(--glass-hi),0 8px 30px rgba(0,0,0,.35);}
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:#1a1206;padding:8px 14px;border-radius:8px;z-index:100;}
.skip:focus{left:12px;top:12px;}

/* nav */
.docnav{position:sticky;top:0;z-index:20;padding-top:12px;background:linear-gradient(var(--bg-0),transparent);}
.navbar{display:flex;align-items:center;gap:14px;padding:10px 16px;border-radius:14px;}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;text-decoration:none;color:inherit;}
.brand .mark{width:24px;height:24px;border-radius:6px;object-fit:cover;}
.brand-docs{color:var(--text-faint);font-weight:500;}
.navlinks{margin-left:auto;display:flex;gap:20px;color:var(--text-dim);font-size:13.5px;align-items:center;}
.navlinks a{text-decoration:none;}.navlinks a:hover{color:var(--text);}
.lang-link{border:1px solid var(--glass-brd);border-radius:9px;padding:6px 10px;font-size:12.5px;}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--glass-brd);color:var(--text);border-radius:9px;padding:6px 11px;font-size:16px;cursor:pointer;}

/* layout: sidebar | content | toc */
.doclayout{display:grid;grid-template-columns:240px minmax(0,1fr) 200px;gap:36px;padding:28px 24px 80px;align-items:start;}
.sidebar{position:sticky;top:74px;max-height:calc(100vh - 90px);overflow:auto;font-size:13.5px;}
.side-sec{margin-bottom:18px;}
.side-h{color:var(--text-faint);text-transform:uppercase;letter-spacing:.12em;font-size:11px;margin:0 0 8px;}
.sidebar a{display:block;color:var(--text-dim);text-decoration:none;padding:5px 10px;border-radius:8px;}
.sidebar a:hover{color:var(--text);background:rgba(255,255,255,.03);}
.sidebar a.on{color:var(--accent);background:rgba(244,157,78,.08);}

.content{min-width:0;}
.crumbs{color:var(--text-faint);font-size:12.5px;margin-bottom:18px;}
.crumbs a{text-decoration:none;}.crumbs .sep{margin:0 6px;}
.prose{max-width:760px;}
.prose h1{font-size:36px;line-height:1.1;letter-spacing:-.02em;font-weight:680;margin:0 0 14px;}
.prose h2{font-size:24px;margin:46px 0 12px;letter-spacing:-.01em;scroll-margin-top:80px;}
.prose h3{font-size:18px;margin:30px 0 8px;scroll-margin-top:80px;}
.prose p,.prose li{color:var(--text-soft);}
.prose .lead{font-size:18px;color:var(--text-dim);}
.prose a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(244,157,78,.3);}
.prose code{background:rgba(255,255,255,.06);padding:.1em .4em;border-radius:5px;font-size:.92em;}
.prose strong{color:var(--text);}
figure{margin:26px 0;}
figure svg,figure img{max-width:100%;height:auto;border-radius:12px;}
figure img{border:1px solid var(--glass-brd);box-shadow:0 14px 40px rgba(0,0,0,.45);}
figcaption{color:var(--text-faint);font-size:12.5px;margin-top:8px;text-align:center;}
details.hood{margin:22px 0;border:1px solid var(--glass-brd);border-radius:12px;background:rgba(255,255,255,.02);}
details.hood>summary{cursor:pointer;padding:12px 16px;color:var(--accent);font-weight:600;font-size:13.5px;list-style:none;}
details.hood>summary::-webkit-details-marker{display:none;}
details.hood>summary::before{content:"▸ ";}
details.hood[open]>summary::before{content:"▾ ";}
details.hood>.hood-body{padding:0 16px 14px;color:var(--text-dim);font-size:14px;}
.formula{display:block;background:rgba(0,0,0,.3);border-radius:8px;padding:12px 16px;margin:12px 0;font-family:ui-monospace,monospace;color:var(--text);overflow-x:auto;}

.toc{position:sticky;top:74px;font-size:12.5px;color:var(--text-dim);}
.toc-title{color:var(--text-faint);text-transform:uppercase;letter-spacing:.12em;font-size:10.5px;margin-bottom:8px;}
#toc-list a{display:block;text-decoration:none;padding:3px 0;color:var(--text-dim);border-left:2px solid transparent;padding-left:10px;}
#toc-list a:hover{color:var(--text);}
#toc-list a.active{color:var(--accent);border-left-color:var(--accent);}
.docfoot{margin-top:60px;padding-top:24px;border-top:1px solid var(--glass-brd);color:var(--text-faint);font-size:12.5px;}

@media(max-width:1080px){ .doclayout{grid-template-columns:220px minmax(0,1fr);} .toc{display:none;} }
@media(max-width:860px){
  .doclayout{grid-template-columns:1fr;}
  .menu-btn{display:block;}
  .navlinks{display:none;}
  .sidebar{position:fixed;inset:56px 0 auto 0;z-index:15;max-height:70vh;background:var(--bg-0);border-bottom:1px solid var(--glass-brd);padding:16px 24px;display:none;}
  .sidebar.open{display:block;}
}

/* language menu */
.langmenu{position:relative;font-size:13.5px;}
.langmenu summary{list-style:none;cursor:pointer;display:flex;align-items:center;color:var(--text-dim);padding:3px 5px;border-radius:8px;}
.langmenu summary::-webkit-details-marker{display:none;}
.langmenu summary::after{content:"\25BE";font-size:9px;margin-left:3px;opacity:.65;}
.langmenu summary:hover{color:var(--text);}
.langmenu summary .globe{display:block;width:17px;height:17px;}
.langmenu[open] .langmenu-list{display:flex;}
.langmenu-list{display:none;position:absolute;right:0;top:calc(100% + 6px);flex-direction:column;gap:2px;
  background:var(--glass-bg,rgba(28,28,34,.95));border:1px solid var(--glass-brd,rgba(255,255,255,.08));
  border-radius:9px;padding:6px;min-width:124px;box-shadow:0 8px 30px rgba(0,0,0,.4);z-index:20;}
.langmenu-list a{display:flex;align-items:center;gap:7px;padding:5px 10px;border-radius:6px;text-decoration:none;color:var(--text-dim);white-space:nowrap;}
.langmenu-list a::before{content:"";width:1em;flex:0 0 auto;text-align:center;}
.langmenu-list a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.langmenu-list a[aria-current="true"]{color:var(--text);font-weight:600;}
.langmenu-list a[aria-current="true"]::before{content:"\2713";}
.pending-notice{margin:0 0 20px;padding:10px 14px;border-radius:9px;font-size:13.5px;
  color:var(--text-soft,#c8c8ce);background:rgba(244,157,78,.08);border:1px solid rgba(244,157,78,.25);}