:root{
  --bg:#0b0f14;
  --panel:#0f1724;
  --panel2:#0b1220;
  --text:#e9f0fb;
  --muted:#a6b4c6;
  --line:rgba(255,255,255,.10);
  --line2:rgba(255,255,255,.16);
  --accent:#7fe7c4;
  --accent2:#8ab4ff;
  --shadow: 0 18px 80px rgba(0,0,0,.58);
  --r:18px;
  --r2:26px;
  --max:1120px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:
    radial-gradient(900px 520px at 16% 12%, rgba(127,231,196,.16), transparent 60%),
    radial-gradient(900px 520px at 86% 16%, rgba(138,180,255,.14), transparent 62%),
    radial-gradient(900px 520px at 55% 92%, rgba(255,208,138,.08), transparent 60%),
    var(--bg);
  line-height:1.6;
  overflow-x:hidden;
}
a{color:inherit; text-decoration:none}
a.under{ text-decoration: underline; text-decoration-color: rgba(127,231,196,.45); }
a.under:hover{ text-decoration-color: rgba(127,231,196,.80); }
.wrap{max-width:var(--max); margin:0 auto; padding:18px}
.topbar{
  position:sticky; top:0; z-index:60;
  background:rgba(11,15,20,.78);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar .row{
  max-width:var(--max);
  margin:0 auto;
  padding:12px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.brand{display:flex; align-items:center; gap:10px; min-width: 260px}
.logo{
  width:38px; height:38px; border-radius:14px;
  background:
    radial-gradient(18px 18px at 30% 35%, rgba(127,231,196,.95), rgba(127,231,196,.10)),
    radial-gradient(18px 18px at 70% 65%, rgba(138,180,255,.92), rgba(138,180,255,.08));
  border:1px solid rgba(255,255,255,.14);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.brandTitle{font-weight:900; letter-spacing:.2px}
.brandSub{color:var(--muted); font-size:12px}
.nav{
  display:flex; gap:10px; flex-wrap:wrap; align-items:center; justify-content:center;
}
.right{display:flex; gap:10px; align-items:center; justify-content:flex-end; min-width: 260px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-weight:780;
  letter-spacing:.2px;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
  user-select:none;
  white-space:nowrap;
  cursor:pointer;
}
.btn:hover{transform: translateY(-1px); border-color:var(--line2); background:rgba(255,255,255,.06)}
.btn.primary{border-color: rgba(127,231,196,.46); background: rgba(127,231,196,.12)}
.btn.primary:hover{border-color: rgba(127,231,196,.72)}
.btn.ghost{background:transparent}
.btn.small{padding:8px 10px; font-size:13px}

.langWrap{
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.langLabel{font-family:var(--mono); font-size:12px; color:rgba(233,240,251,.80)}
select.lang{
  appearance:none; border:0; outline:none; background:transparent;
  color:var(--text); font-weight:850; cursor:pointer;
  padding:6px 28px 6px 8px; border-radius:999px;
}
.chev{
  width:10px; height:10px;
  border-right:2px solid rgba(233,240,251,.7);
  border-bottom:2px solid rgba(233,240,251,.7);
  transform: rotate(45deg);
  margin-left:-18px;
  pointer-events:none;
}

.grid{display:grid; grid-template-columns: 1.12fr .88fr; gap:16px; align-items:start}
@media (max-width:980px){ .grid{grid-template-columns:1fr} .brand,.right{min-width:auto} .nav{display:none} }

.card{
  border:1px solid var(--line);
  border-radius: var(--r2);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  box-shadow: var(--shadow);
  overflow:hidden;
}
.pad{padding:18px}
.panel{border-top:1px solid var(--line); background: linear-gradient(180deg, rgba(15,23,36,.55), rgba(11,18,32,.35))}
.tag{
  display:inline-flex;
  font-family:var(--mono);
  font-size:12px;
  padding:6px 8px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  color:rgba(233,240,251,.86);
}
h1{margin:12px 0 10px; font-size:34px; letter-spacing:-.6px; line-height:1.12}
@media (max-width:520px){ h1{font-size:29px} }
h2{margin:0 0 8px; font-size:18px; letter-spacing:-.2px}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}
.hr{height:1px; background:var(--line); margin:14px 0}

.list{display:grid; gap:10px; margin-top:10px}
.item{
  border:1px solid var(--line);
  border-radius: 16px;
  background: rgba(0,0,0,.18);
  padding:12px;
}
.itemTop{display:flex; align-items:center; justify-content:space-between; gap:10px}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono);
  font-size:12px;
  padding:6px 8px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  color:rgba(233,240,251,.86);
  white-space:nowrap;
}
.badge.ok{border-color: rgba(127,231,196,.28); background: rgba(127,231,196,.08)}
.badge.warn{border-color: rgba(255,208,138,.28); background: rgba(255,208,138,.08)}
.itemTitle{font-weight:900; margin-top:8px}
.itemBody{color:var(--muted); font-size:13px; margin-top:6px}

.kbd{
  font-family:var(--mono);
  font-size:12px;
  padding:2px 6px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(233,240,251,.85);
}
.code{
  font-family:var(--mono);
  font-size:12.5px;
  line-height:1.6;
  white-space:pre-wrap;
  word-break:break-word;
  background: rgba(0,0,0,.22);
  border:1px solid var(--line);
  border-radius: 16px;
  padding:12px;
}
.footer{
  margin:22px 0 10px;
  border-top:1px solid var(--line);
  padding-top:14px;
  color:var(--muted);
  font-size:12px;
  text-align:center;
  font-family:var(--mono);
}