:root { --bg:#0b1220; --card:#0f1b33; --txt:#e7eefc; --muted:#a9b6d6; --link:#8cb4ff; --line:#203255; }

*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--txt);line-height:1.55}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:18px}

.hero{padding:24px;border:1px solid var(--line);background:linear-gradient(180deg,var(--card),transparent);border-radius:14px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
@media (max-width:900px){.grid{grid-template-columns:1fr}}
.card{border:1px solid var(--line);background:rgba(15,27,51,.55);border-radius:14px;padding:16px}
.muted{color:var(--muted)}
.kicker{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.14em}
h1,h2,h3{line-height:1.2}
h1{font-size:34px;margin:6px 0 10px}
h2{font-size:22px;margin:18px 0 10px}
input,textarea,select{width:100%;padding:10px;border-radius:10px;border:1px solid var(--line);background:#091021;color:var(--txt)}
.btn{display:inline-block;padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:#0d1830;color:var(--txt);font-weight:650}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.foot{border-top:1px solid var(--line);margin-top:26px}
.cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}
@media (max-width:900px){.cols{grid-template-columns:1fr}}
ul{padding-left:18px}
.code{white-space:pre-wrap;background:#070c18;border:1px solid var(--line);border-radius:14px;padding:14px}
.badge{display:inline-block;padding:4px 8px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px}

/* =========================
   Modern header (theme-matched)
   ========================= */

.siteHeader{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11,18,32,.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.siteHeader__inner{
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  font-weight: 900;
  letter-spacing: .2px;
  color: var(--txt);
}
.brand:hover{ text-decoration:none; }

.brand__mark{
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(15,27,51,.55);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(0,0,0,.22);
}

.brand__text{font-size: 15px;line-height: 1;}

.siteNav{
  margin-left: auto;
  display:flex;
  align-items:center;
  gap: 10px;
}

.siteNav__link{
  padding: 8px 10px;
  border-radius: 12px;
  text-decoration:none;
  color: var(--muted);
  font-weight: 700;
  transition: background .12s ease, color .12s ease, transform .12s ease;
}

.siteNav__link:hover{
  background: rgba(15,27,51,.55);
  color: var(--txt);
  text-decoration:none;
}

.siteNav__link.is-active{
  background: rgba(15,27,51,.70);
  color: var(--txt);
  border: 1px solid var(--line);
}

.siteNav__cta{
  margin-left: 6px;
  padding: 9px 12px;
  border-radius: 14px;
  text-decoration:none;
  font-weight: 900;
  white-space: nowrap;
  color: var(--txt);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(140,180,255,.22), rgba(15,27,51,.55));
  box-shadow: 0 10px 28px rgba(0,0,0,.22);
}
.siteNav__cta:hover{ text-decoration:none; filter: brightness(1.08); }

.menuBtn{
  margin-left: auto;
  display:none;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(15,27,51,.55);
  align-items:center;
  justify-content:center;
  gap: 5px;
  cursor:pointer;
  color: var(--txt);
}

.menuBtn__bar{
  display:block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 10px;
}

.mobileMenu{
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 18px 14px 18px;
  transform-origin: top;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease;
}

.mobileMenu.is-open{opacity: 1;transform: translateY(0);}

.mobileMenu__link{
  display:block;
  padding: 10px 10px;
  border-radius: 14px;
  text-decoration:none;
  color: var(--muted);
  font-weight: 750;
}

.mobileMenu__link:hover{
  background: rgba(15,27,51,.55);
  color: var(--txt);
  text-decoration:none;
}

.mobileMenu__cta{
  display:block;
  margin-top: 10px;
  padding: 11px 12px;
  border-radius: 14px;
  text-decoration:none;
  font-weight: 950;
  text-align:center;
  color: var(--txt);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(140,180,255,.22), rgba(15,27,51,.55));
  box-shadow: 0 10px 28px rgba(0,0,0,.22);
}
.mobileMenu__cta:hover{ text-decoration:none; filter: brightness(1.08); }

@media (max-width: 860px){
  .siteNav{ display:none; }
  .menuBtn{ display:flex; }
}

/* =========================
   UI v2 polish
   ========================= */

body{
  background:
    radial-gradient(1200px 700px at 15% 5%, rgba(140,180,255,.14), rgba(0,0,0,0) 60%),
    radial-gradient(900px 600px at 85% 15%, rgba(74,222,128,.10), rgba(0,0,0,0) 55%),
    radial-gradient(900px 700px at 50% 95%, rgba(168,85,247,.10), rgba(0,0,0,0) 60%),
    var(--bg);
}

h1{font-size:42px;letter-spacing:-.02em}
@media (max-width:900px){h1{font-size:34px}}

.card{box-shadow:0 10px 28px rgba(0,0,0,.22)}
.card:hover{transform:translateY(-1px);transition:transform .12s ease, filter .12s ease}

.btn{
  border-radius:14px;
  background: linear-gradient(180deg, rgba(140,180,255,.18), rgba(13,24,48,1));
}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(15,27,51,.55);color:var(--muted);font-weight:700}
.chip:hover{text-decoration:none;filter:brightness(1.08);color:var(--txt)}

.searchBar{display:flex;gap:10px;margin-top:14px}
.searchBar input{flex:1}

.metaRow{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:10px}
.metaPill{display:inline-flex;gap:8px;align-items:center;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:rgba(15,27,51,.38);color:var(--muted);font-weight:650;font-size:12px}

.pageLayout{display:grid;grid-template-columns: 1fr 280px;gap:16px;align-items:start}
@media (max-width:980px){.pageLayout{grid-template-columns:1fr}}

.sidebar{
  position:sticky;
  top:92px;
  border:1px solid var(--line);
  background:rgba(15,27,51,.40);
  border-radius:16px;
  padding:14px;
}

.tocTitle{font-weight:900;margin:0 0 10px 0}
.toc a{display:block;padding:7px 8px;border-radius:12px;color:var(--muted);font-weight:650}
.toc a:hover{text-decoration:none;background:rgba(15,27,51,.55);color:var(--txt)}

.prose{max-width: 760px}
.prose p{margin: 10px 0}
.prose h2{margin-top:22px}
.prose h3{margin-top:16px}
.prose blockquote{margin:14px 0;padding:12px 14px;border-left:3px solid var(--link);background:rgba(15,27,51,.35);border-radius:14px;color:var(--muted)}

.table{width:100%;border-collapse:collapse;margin:12px 0;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.table th,.table td{padding:10px;border-bottom:1px solid var(--line)}
.table th{background:rgba(15,27,51,.55);text-align:left}

.notice{border:1px solid var(--line);background:rgba(15,27,51,.35);border-radius:16px;padding:14px}
.notice strong{display:block;margin-bottom:6px}

.divider{height:1px;background:var(--line);margin:18px 0}

/* Make code blocks look more premium */
.code{box-shadow: inset 0 1px 0 rgba(255,255,255,.04)}

/* =========================
   Background + motion
   ========================= */
body{
  background:
    radial-gradient(1200px 700px at 15% 5%, rgba(140,180,255,.14), rgba(0,0,0,0) 60%),
    radial-gradient(900px 600px at 85% 15%, rgba(74,222,128,.10), rgba(0,0,0,0) 55%),
    radial-gradient(900px 700px at 50% 95%, rgba(168,85,247,.10), rgba(0,0,0,0) 60%),
    var(--bg);
}

@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto}
}

/* =========================
   Cards + buttons
   ========================= */
.card{
  transition: transform .12s ease, border-color .12s ease, background .12s ease;
}
.card:hover{
  transform: translateY(-2px);
  border-color: rgba(140,180,255,.45);
  background: rgba(15,27,51,.62);
}

.btn{border-radius:14px}

/* =========================
   Page layout helpers
   ========================= */
.page{
  display:grid;
  grid-template-columns: 1fr 320px;
  gap:18px;
  align-items:start;
}
@media (max-width: 980px){
  .page{grid-template-columns: 1fr}
}

.sidebar{
  position: sticky;
  top: 84px;
}
@media (max-width: 980px){
  .sidebar{position:static}
}

.toc{
  border:1px solid var(--line);
  background: rgba(15,27,51,.35);
  border-radius:16px;
  padding:14px;
}
.toc h3{margin:0 0 8px;font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.14em}
.toc a{display:block;padding:7px 8px;border-radius:12px;color:var(--muted);font-weight:650}
.toc a:hover{text-decoration:none;background:rgba(15,27,51,.55);color:var(--txt)}

.metaRow{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 16px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:rgba(15,27,51,.35);color:var(--muted);font-size:12px}

.search{
  display:flex;
  gap:10px;
  margin-top:14px;
}
.search input{flex:1}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.chip{display:inline-block;padding:8px 10px;border:1px solid var(--line);border-radius:999px;background:rgba(15,27,51,.28);color:var(--muted);font-weight:700}
.chip:hover{color:var(--txt);text-decoration:none;border-color: rgba(140,180,255,.45)}

.prose{max-width: 760px}
.prose p{margin: 10px 0}
.prose h2{margin-top:22px}
.prose h3{margin-top:16px}
.prose blockquote{margin:14px 0;padding:12px 14px;border-left:3px solid var(--link);background:rgba(15,27,51,.35);border-radius:14px;color:var(--muted)}

.table{width:100%;border-collapse:collapse;margin:12px 0;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.table th,.table td{padding:10px;border-bottom:1px solid var(--line)}
.table th{background:rgba(15,27,51,.55);text-align:left}

.notice{border:1px solid var(--line);background:rgba(15,27,51,.35);border-radius:16px;padding:14px}
.notice strong{display:block;margin-bottom:6px}

.divider{height:1px;background:var(--line);margin:18px 0}

/* Make code blocks look more premium */
.code{box-shadow: inset 0 1px 0 rgba(255,255,255,.04)}

/* =========================
   Home hero (split)
   ========================= */
.heroSplit{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:18px;
  align-items:stretch;
}
@media (max-width: 900px){
  .heroSplit{grid-template-columns: 1fr;}
}
.heroActions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.btnPrimary{background: linear-gradient(180deg, rgba(140,180,255,.22), rgba(15,27,51,.55)); box-shadow: var(--shadow);}

.chipRow{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(15,27,51,.35);
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
}
.chip:hover{color:var(--txt);text-decoration:none;background: rgba(15,27,51,.55)}

.heroPanel{border:1px solid var(--line);background: rgba(15,27,51,.35);border-radius: var(--radius2);padding:16px}
.searchBox input{margin-top:8px}

.miniGrid{display:grid;grid-template-columns:1fr;gap:10px;margin-top:12px}
.miniCard{display:block;border:1px solid var(--line);background: rgba(15,27,51,.35);border-radius: 16px;padding:12px;transition: transform .12s ease, border-color .12s ease, background .12s ease}
.miniCard:hover{transform: translateY(-2px);border-color: rgba(140,180,255,.45);background: rgba(15,27,51,.55);text-decoration:none}
.miniKicker{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.miniTitle{font-weight:900;margin-top:4px}
.miniDesc{color:var(--muted);font-size:13px;margin-top:4px}

.searchRow{display:flex;gap:10px;align-items:center;margin-top:12px}
.searchRow input{flex:1;min-width:220px}
@media (max-width:700px){.searchRow{flex-direction:column;align-items:stretch}}