:root{
  --bg:#0b0d12;
  --panel:#121622;
  --panel2:#0f1320;
  --text:#e9ecf1;
  --muted:#aab2c3;
  --border:rgba(255,255,255,.10);
  --brand:#8ab4ff;
  --brand2:#a3ffcf;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --radius:14px;
  --max:1100px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  --sans:ui-sans-serif,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(1200px 700px at 15% 10%, rgba(138,180,255,.12), transparent 60%),
    radial-gradient(900px 600px at 80% 30%, rgba(163,255,207,.10), transparent 55%),
    radial-gradient(900px 600px at 50% 95%, rgba(138,180,255,.08), transparent 50%),
    var(--bg);
  line-height:1.55;
}

a{color:inherit}

.container{
  max-width:var(--max);
  padding:0 18px;
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:blur(12px);
  background:rgba(11,13,18,.72);
  border-bottom:1px solid var(--border);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 18px;
}

.brand{
  text-decoration:none;
  font-weight:700;
  letter-spacing:.2px;
}

.nav a{
  text-decoration:none;
  color:var(--muted);
  margin-left:14px;
  padding:8px 10px;
  border-radius:10px;
  border:1px solid transparent;
}
.nav a[aria-current="page"],
.nav a:hover{
  color:var(--text);
  border-color:var(--border);
  background:rgba(255,255,255,.04);
}

.hero{padding:28px 0 14px}
.hero h1{margin:0 0 10px;font-size:40px;line-height:1.1}
.lede{margin:0;color:var(--muted);max-width:75ch}

.controls{
  display:grid;
  grid-template-columns: 1fr 220px;
  gap:14px;
  padding:14px;
  border:1px solid var(--border);
  background:linear-gradient(180deg, rgba(18,22,34,.85), rgba(15,19,32,.55));
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.field{display:flex;flex-direction:column;gap:8px}
.label{font-size:12px;color:var(--muted)}

input[type="search"],select{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(0,0,0,.25);
  color:var(--text);
  outline:none;
}
input[type="search"]:focus,select:focus{border-color:rgba(138,180,255,.45);box-shadow:0 0 0 4px rgba(138,180,255,.10)}

.meta{padding:16px 2px 10px;color:var(--muted);font-size:13px}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:14px;
  padding-bottom:34px;
}

.card{
  grid-column:span 6;
  text-decoration:none;
  border:1px solid var(--border);
  background:linear-gradient(180deg, rgba(18,22,34,.85), rgba(15,19,32,.55));
  border-radius:var(--radius);
  padding:14px 14px 12px;
  box-shadow:var(--shadow);
  transition:transform .12s ease, border-color .12s ease, background .12s ease;
  min-height:130px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.card:hover{transform:translateY(-2px);border-color:rgba(138,180,255,.35)}

.card h3{margin:0 0 6px;font-size:18px;line-height:1.25}
.card p{margin:0;color:var(--muted);font-size:13.5px}

.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{
  font-family:var(--mono);
  font-size:12px;
  color:rgba(233,236,241,.92);
  border:1px solid var(--border);
  border-radius:999px;
  padding:5px 10px;
  background:rgba(255,255,255,.04);
}

.post{
  padding:26px 0 44px;
}
.post header{
  padding:18px;
  border:1px solid var(--border);
  background:linear-gradient(180deg, rgba(18,22,34,.85), rgba(15,19,32,.55));
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.post h1{margin:0 0 10px;font-size:34px;line-height:1.15}
.post .sub{margin:0;color:var(--muted);max-width:80ch}

.post article{
  margin-top:16px;
  padding:18px;
  border:1px solid var(--border);
  background:rgba(0,0,0,.16);
  border-radius:var(--radius);
}

.post article h2{margin-top:22px}
.post article h2:first-child{margin-top:0}

.post article a{color:var(--brand)}
.post article code{
  font-family:var(--mono);
  font-size:.95em;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  padding:2px 6px;
  border-radius:8px;
}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-size:13px;
  margin:10px 0 0;
}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--text)}

.site-footer{border-top:1px solid var(--border);padding:24px 0;color:var(--muted)}

.external-links{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--border);
}

.external-links h2{
  margin:0 0 10px;
  font-size:14px;
  color:var(--text);
}

.external-links-list{
  margin:0;
  padding-left:18px;
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:6px 16px;
}

.external-links-list a{color:var(--brand);text-decoration:none}
.external-links-list a:hover{color:var(--text);text-decoration:underline}
.external-links-desc{color:var(--muted)}

@media (max-width: 860px){
  .controls{grid-template-columns:1fr}
  .card{grid-column:span 12}
  .hero h1{font-size:34px}
  .external-links-list{grid-template-columns:1fr}
}