:root{
  --bg: #0b1020;
  --panel: rgba(255,255,255,.08);
  --card: rgba(255,255,255,.10);
  --card2: rgba(255,255,255,.06);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --muted2: rgba(255,255,255,.55);
  --line: rgba(255,255,255,.14);
  --brand1:#2d7dff;
  --brand2:#7c4dff;
  --good:#34d399;
  --warn:#fbbf24;
  --bad:#fb7185;
  --shadow: 0 14px 40px rgba(0,0,0,.35);
  --shadow2: 0 10px 26px rgba(0,0,0,.25);
  --radius: 18px;
  --radius2: 14px;
  --max: 1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 500px at 15% 10%, rgba(45,125,255,.28), transparent 60%),
    radial-gradient(900px 420px at 85% 25%, rgba(124,77,255,.22), transparent 55%),
    radial-gradient(800px 380px at 50% 90%, rgba(45,125,255,.15), transparent 60%),
    linear-gradient(180deg, #070b16 0%, #0a1022 45%, #060911 100%);
  line-height:1.55;
}

a{color:inherit; text-decoration:none}
a:hover{opacity:.92}
img{max-width:100%; display:block}
code, pre{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
}
pre{
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  padding:14px 16px;
  border-radius: 14px;
  overflow:auto;
  box-shadow: var(--shadow2);
}
kbd{
  font-family:inherit;
  font-size:.9em;
  padding:2px 8px;
  border-radius: 10px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
}

.container{max-width:var(--max); margin:0 auto; padding:0 20px}
.topbar{
  position:sticky; top:0; z-index:1000;
  backdrop-filter: blur(14px);
  background: rgba(6,9,17,.55);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.topbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:14px; padding:14px 0;
}
.brand{
  display:flex; align-items:center; gap:12px; min-width:260px;
}
.brand img{
  width:34px; height:34px; border-radius: 12px;
  box-shadow: 0 10px 22px rgba(0,0,0,.25);
}
.brand .title{
  display:flex; flex-direction:column; line-height:1.2;
}
.brand .title strong{font-size:14px; letter-spacing:.2px}
.brand .title span{font-size:12px; color:var(--muted2)}
.search{
  flex:1;
  display:flex; align-items:center; gap:10px;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  border-radius: 16px;
  padding:10px 12px;
}
.search input{
  width:100%;
  border:0; outline:0;
  background:transparent;
  color:var(--text);
  font-size:14px;
}
.pill{
  display:inline-flex; align-items:center; gap:8px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  padding:10px 12px;
  border-radius: 999px;
  font-size:13px;
  color:var(--muted);
}
.pill .dot{
  width:9px; height:9px; border-radius:99px;
  background: linear-gradient(135deg, var(--brand1), var(--brand2));
  box-shadow: 0 0 0 3px rgba(45,125,255,.20);
}

.layout{
  display:grid;
  grid-template-columns: 280px 1fr;
  gap:22px;
  padding: 22px 0 60px;
}

.sidebar{
  position:sticky;
  top:76px;
  height: calc(100vh - 92px);
  overflow:auto;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow2);
}
.sidebar .nav{
  padding:16px;
  display:flex; flex-direction:column; gap:8px;
}
.nav h4{
  margin:10px 10px 6px;
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted2);
}
.nav a{
  display:flex; align-items:center; justify-content:space-between;
  gap:10px;
  padding:10px 12px;
  border-radius: 12px;
  color:var(--muted);
  border:1px solid transparent;
}
.nav a:hover{
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.10);
  color: var(--text);
}
.nav a.active{
  background: linear-gradient(135deg, rgba(45,125,255,.22), rgba(124,77,255,.16));
  border-color: rgba(45,125,255,.35);
  color: var(--text);
}
.badge{
  font-size:11px;
  padding:2px 8px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: var(--muted);
}

.main{min-width:0}
.hero{
  border-radius: 24px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow);
  background: rgba(255,255,255,.03);
}
.hero .banner{
  position:relative;
  height: 220px;
  background: #0a0d1a;
}
.hero .banner img{
  width:100%; height:100%;
  object-fit:cover;
  opacity:.95;
}
.hero .overlay{
  position:absolute; inset:0;
  background:
    linear-gradient(90deg, rgba(6,9,17,.95) 0%, rgba(6,9,17,.55) 52%, rgba(6,9,17,.25) 100%),
    radial-gradient(500px 240px at 25% 40%, rgba(45,125,255,.30), transparent 65%);
}
.hero .content{
  position:absolute; inset:0;
  display:flex; align-items:flex-end;
  padding: 18px 18px 16px;
}
.hero .content-inner{
  display:flex; align-items:flex-end; justify-content:space-between;
  width:100%; gap:16px;
}
.hero .left{
  display:flex; align-items:center; gap:14px;
}
.hero .left img{
  width:56px; height:56px;
  border-radius: 18px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
  box-shadow: 0 18px 34px rgba(0,0,0,.35);
  padding:10px;
}
.hero h1{
  margin:0;
  font-size:22px;
  letter-spacing:.2px;
}
.hero p{margin:6px 0 0; color: var(--muted); font-size:14px; max-width: 52ch;}
.hero .cta-row{
  display:flex; align-items:center; gap:10px;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  border-radius: 14px;
  padding:10px 12px;
  font-weight:600;
  font-size:13px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
}
.btn.primary{
  border-color: rgba(45,125,255,.35);
  background: linear-gradient(135deg, rgba(45,125,255,.30), rgba(124,77,255,.18));
}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0px)}
.small{font-size:12px; color: var(--muted2)}
.section{
  margin-top: 18px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius);
  box-shadow: var(--shadow2);
  overflow:hidden;
}
.section .head{
  padding: 16px 16px 10px;
  border-bottom:1px solid rgba(255,255,255,.10);
  display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
}
.section .head h2{margin:0; font-size:16px}
.section .head p{margin:6px 0 0; color:var(--muted); font-size:13px}
.section .body{padding: 16px}
.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.card{
  grid-column: span 6;
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  overflow:hidden;
}
.card .cbody{padding: 14px}
.card h3{margin:0; font-size:14px}
.card p{margin:8px 0 0; color:var(--muted); font-size:13px}
.callout{
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(52,211,153,.14), rgba(45,125,255,.10));
  padding: 12px 12px;
  display:flex; gap:10px; align-items:flex-start;
}
.callout .icon{
  width:30px; height:30px; border-radius: 12px;
  background: rgba(255,255,255,.10);
  display:grid; place-items:center;
  border:1px solid rgba(255,255,255,.14);
}
.callout strong{display:block; font-size:13px}
.callout span{display:block; font-size:12px; color:var(--muted); margin-top:3px}
.steps{
  display:flex; flex-direction:column; gap:10px;
}
.step{
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  overflow:hidden;
}
.step summary{
  list-style:none;
  cursor:pointer;
  padding: 12px 12px;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
}
.step summary::-webkit-details-marker{display:none}
.step summary .left{
  display:flex; align-items:center; gap:10px;
  min-width:0;
}
.n{
  width:28px; height:28px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(45,125,255,.35), rgba(124,77,255,.25));
  border:1px solid rgba(255,255,255,.16);
  display:grid; place-items:center;
  font-weight:700;
}
.step summary strong{font-size:13px}
.step summary span{font-size:12px; color:var(--muted2)}
.chev{opacity:.7}
.step .content{
  padding: 0 12px 12px;
  color: var(--muted);
  font-size:13px;
}
.figure{
  margin-top:10px;
  border-radius: 18px;
  border:1px solid rgba(255,255,255,.12);
  overflow:hidden;
  background: rgba(255,255,255,.03);
}
.figure .figbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 12px;
  border-bottom:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  gap:10px;
}
.figure .figbar span{font-size:12px; color:var(--muted)}
.figure img{cursor: zoom-in}
.figure .caption{
  padding:10px 12px;
  font-size:12px;
  color: var(--muted2);
  border-top:1px solid rgba(255,255,255,.10);
}
.two{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
hr.sep{
  border:0;
  height:1px;
  background: rgba(255,255,255,.10);
  margin: 16px 0;
}
.footer{
  padding: 22px 0 46px;
  color: var(--muted2);
  font-size: 12px;
}
.footer a{color: var(--muted)}
kbd{
  border-bottom-width:2px;
}

.lightbox{
  position:fixed; inset:0;
  background: rgba(0,0,0,.72);
  display:none;
  align-items:center; justify-content:center;
  padding: 24px;
  z-index: 2000;
}
.lightbox.open{display:flex}
.lightbox .frame{
  max-width:min(1080px, 96vw);
  max-height: 90vh;
  border-radius: 18px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(7,10,18,.85);
  box-shadow: 0 24px 80px rgba(0,0,0,.55);
}
.lightbox .top{
  display:flex; justify-content:space-between; align-items:center;
  padding:10px 12px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.lightbox .top span{font-size:12px; color:var(--muted)}
.lightbox button{
  border:1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: var(--text);
  border-radius: 12px;
  padding:8px 10px;
  cursor:pointer;
}
.lightbox img{
  width:100%;
  height:auto;
  max-height: calc(90vh - 50px);
  object-fit:contain;
  background: #0b0f1f;
}

@media (max-width: 980px){
  .layout{grid-template-columns: 1fr}
  .sidebar{position:relative; top:auto; height:auto}
  .brand{min-width:0}
  .hero .banner{height: 240px}
  .card{grid-column: span 12}
  .two{grid-template-columns: 1fr}
}