:root{
  --bg:#0b0f14;
  --panel:#0f1620;
  --panel2:#0c121a;
  --text:#e6edf3;
  --muted:#9fb0c0;
  --line:#1b2734;
  --accent:#7cc4ff;
  --accent2:#9cffb3;
  --danger:#ff6b6b;
  --shadow: 0 14px 40px rgba(0,0,0,.35);
  --radius: 16px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  background: radial-gradient(1200px 700px at 20% 10%, rgba(124,196,255,.08), transparent 60%),
              radial-gradient(1000px 700px at 90% 30%, rgba(156,255,179,.06), transparent 55%),
              var(--bg);
  color:var(--text);
}

a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}

.app{
  display:grid;
  grid-template-columns: 330px 1fr;
  min-height:100vh;
}

.sidebar{
  background: linear-gradient(180deg, rgba(15,22,32,.95), rgba(12,18,26,.95));
  border-right:1px solid var(--line);
  padding:18px;
  position:sticky;
  top:0;
  height:100vh;
}

.brand{
  padding:14px 14px 12px;
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(0,0,0,.18);
  box-shadow: var(--shadow);
}
.brand__title{font-size:18px; font-weight:800; letter-spacing:.4px}
.brand__sub{font-size:12px; color:var(--muted); margin-top:4px}

.search{margin:14px 0}
.search input{
  width:100%;
  padding:11px 12px;
  border-radius: 12px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.20);
  color:var(--text);
  outline:none;
}
.search input:focus{border-color: rgba(124,196,255,.55)}

.nav{
  margin-top:10px;
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow:auto;
  max-height: calc(100vh - 230px);
  padding-right:4px;
}

.nav .group{
  margin-top:10px;
  padding:10px 10px 8px;
  color:var(--muted);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.8px;
}

.nav a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 10px;
  border-radius: 12px;
  border:1px solid transparent;
  color:var(--text);
  background: transparent;
}
.nav a:hover{
  background: rgba(124,196,255,.08);
  border-color: rgba(124,196,255,.20);
  text-decoration:none;
}
.nav a.active{
  background: rgba(124,196,255,.14);
  border-color: rgba(124,196,255,.30);
}

.badge{
  margin-left:auto;
  font-size:11px;
  padding:3px 8px;
  border-radius:999px;
  border:1px solid rgba(159,176,192,.25);
  color:var(--muted);
}

.sidebar__footer{
  margin-top:12px;
  padding-top:12px;
  border-top:1px solid var(--line);
}
.link{color:var(--muted)}
.link:hover{color:var(--text); text-decoration:none}

.content{
  padding:18px 18px 30px;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
  padding:12px 14px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(0,0,0,.18);
  box-shadow: var(--shadow);
}
.crumbs{color:var(--muted); font-size:13px}

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius: 12px;
  border:1px solid rgba(124,196,255,.28);
  background: rgba(124,196,255,.10);
  color:var(--text);
  text-decoration:none;
}
.btn:hover{background: rgba(124,196,255,.16); text-decoration:none}

.doc{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(0,0,0,.16);
  box-shadow: var(--shadow);
  padding: 18px 18px 22px;
  min-height: calc(100vh - 160px);
}

.loading{color:var(--muted)}

.doc h1{margin: 6px 0 10px; font-size: 26px}
.doc h2{margin: 20px 0 8px; font-size: 18px}
.doc h3{margin: 16px 0 6px; font-size: 14px; color: var(--muted); text-transform:uppercase; letter-spacing:.8px}

.doc p{line-height:1.6; color: rgba(230,237,243,.92)}
.doc code{font-family:var(--mono); font-size: 0.95em}
.doc pre{
  overflow:auto;
  padding:14px;
  border-radius: 14px;
  border:1px solid rgba(159,176,192,.20);
  background: rgba(0,0,0,.35);
}

.doc table{
  width:100%;
  border-collapse: collapse;
  margin: 10px 0;
  overflow:hidden;
  border-radius: 14px;
  border:1px solid rgba(159,176,192,.18);
}
.doc th,.doc td{
  padding:10px 10px;
  border-bottom:1px solid rgba(159,176,192,.12);
}
.doc th{color:var(--muted); text-align:left; font-size:12px; text-transform:uppercase; letter-spacing:.8px}
.doc tr:hover td{background: rgba(124,196,255,.06)}

.callout{
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(156,255,179,.25);
  background: rgba(156,255,179,.08);
  margin: 12px 0;
}

.footer{
  margin-top:10px;
  color:var(--muted);
  font-size:12px;
  padding: 6px 2px;
}

@media (max-width: 980px){
  .app{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto}
  .nav{max-height:none}
}