:root{
  --bg:#07111c;
  --panel:#0b1b2b;
  --panel2:#0f263b;
  --line:#1b3852;
  --text:#eef4f8;
  --muted:#9fb0bd;
  --gold:#c7a65a;
  --white:#fff;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
button{font:inherit}
.app-shell{min-height:100vh;display:grid;grid-template-columns:270px 1fr}
.sidebar{border-right:1px solid var(--line);padding:28px 20px;display:flex;flex-direction:column;gap:32px;background:#06101a;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:42px;height:42px;border:1px solid var(--gold);display:grid;place-items:center;font-weight:800;color:var(--gold);border-radius:10px}
.brand-name{font-weight:800;letter-spacing:.12em}
.brand-sub{font-size:12px;color:var(--muted);margin-top:3px}
nav{display:flex;flex-direction:column;gap:7px}
.nav-item{border:0;background:transparent;color:var(--muted);padding:12px 14px;text-align:left;border-radius:10px;cursor:pointer}
.nav-item:hover,.nav-item.active{background:var(--panel2);color:var(--white)}
.sidebar-note{margin-top:auto;color:var(--muted);font-size:12px;line-height:1.5;border-top:1px solid var(--line);padding-top:18px}
main{min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:28px 42px;border-bottom:1px solid var(--line);background:rgba(7,17,28,.9);position:sticky;top:0;backdrop-filter:blur(10px);z-index:5}
h1{font-size:28px;margin:4px 0 0}
h2{font-size:34px;line-height:1.15;margin:8px 0 14px;max-width:900px}
h3{margin:8px 0 8px;font-size:18px}
p{color:var(--muted);line-height:1.65}
.eyebrow{font-size:11px;letter-spacing:.14em;color:var(--muted);font-weight:800}
.eyebrow.gold,.card-kicker{color:var(--gold)}
.status-pill{font-size:11px;letter-spacing:.08em;border:1px solid var(--line);padding:9px 12px;border-radius:999px;color:#c7d7e3}
.view{display:none;padding:42px}
.view.active{display:block}
.hero{padding:40px;border:1px solid var(--line);background:linear-gradient(145deg,var(--panel),#081521);border-radius:18px}
.architecture{margin-top:30px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.architecture span,.flow{border:1px solid var(--line);background:var(--panel2);padding:12px 15px;border-radius:10px}
.architecture b{color:var(--gold)}
.architecture.big{font-size:18px}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:20px}
.card{border:1px solid var(--line);background:var(--panel);padding:22px;border-radius:14px}
.card-kicker{font-size:11px;font-weight:800;letter-spacing:.12em}
.section{margin-top:28px;border:1px solid var(--line);background:#081521;padding:28px;border-radius:16px}
.six-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
.sub{border:1px solid var(--line);padding:16px;border-radius:12px;background:var(--panel)}
.sub strong{display:block;color:var(--gold);font-size:12px;margin-bottom:10px}
.sub span{display:block;font-weight:700}
.sub small{display:block;color:var(--muted);margin-top:5px}
.empty,.warning{margin-top:20px;border:1px dashed var(--line);padding:18px;border-radius:12px;color:var(--muted)}
.warning{border-style:solid;border-color:#725f2b;color:#d7c58d;background:#1b1a12}
.flow{display:inline-block;margin:14px 0;color:#d9e3ea}
@media(max-width:900px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto}
  nav{display:grid;grid-template-columns:repeat(2,1fr)}
  .grid,.six-grid{grid-template-columns:1fr}
  .topbar{padding:20px}
  .view{padding:20px}
}