:root{
  --bg:#0b0c0f;
  --panel:#11131a;
  --text:#e9ecf1;
  --muted:#a9b0bf;
  --accent:#ff4d6d;
  --border:rgba(255,255,255,0.09);
  --shadow:0 10px 30px rgba(0,0,0,0.35);
  --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);
  background:radial-gradient(1200px 600px at 20% -10%, rgba(255,77,109,0.25), transparent 60%),
             radial-gradient(900px 500px at 90% 10%, rgba(120,180,255,0.18), transparent 55%),
             var(--bg);
  color:var(--text);
  line-height:1.5;
}
a{color:inherit; text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1000px; margin:0 auto; padding:32px 20px 60px}
.header{
  display:flex; align-items:center; justify-content:space-between;
  gap:16px; padding:8px 0 28px;
}
.brand{display:flex; align-items:baseline; gap:10px}
.brand h1{font-size:22px; margin:0; letter-spacing:0.2px}
.badge{font-size:12px; color:var(--muted); border:1px solid var(--border); padding:2px 8px; border-radius:999px}
.nav{display:flex; flex-wrap:wrap; gap:10px; align-items:center}
.nav a{font-size:13px; color:var(--muted); border:1px solid transparent; padding:6px 10px; border-radius:8px}
.nav a:hover{border-color:var(--border); color:var(--text); text-decoration:none}
.hero{padding:22px 0 20px}
.hero h2{font-size:40px; margin:0 0 10px; line-height:1.1}
.hero p{margin:0; color:var(--muted); font-size:16px; max-width:75ch}
.grid{display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:14px; margin-top:22px}
@media (max-width:720px){.grid{grid-template-columns:1fr} .hero h2{font-size:34px}}
.card{
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.0));
  border:1px solid var(--border);
  border-radius:14px;
  padding:16px;
  box-shadow:var(--shadow);
}
.card h3{margin:0 0 6px; font-size:16px}
.card p{margin:0; color:var(--muted); font-size:14px}
.section{margin-top:22px}
.section h3{margin:0 0 10px; font-size:15px; color:var(--muted); letter-spacing:0.6px; text-transform:uppercase}
.block{margin-top:12px}
.block h4{margin:0 0 8px; font-size:14px}
pre{
  margin:0;
  padding:14px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(0,0,0,0.35);
  overflow:auto;
  font-family:var(--mono);
  font-size:12.5px;
  line-height:1.45;
}
.codeHeader{display:flex; align-items:center; justify-content:space-between; gap:12px; margin:8px 0 8px}
.codeHeader .hint{color:var(--muted); font-size:12px}
button.copy{
  font-family:var(--sans);
  font-size:12px;
  padding:8px 10px;
  border-radius:10px;
  border:1px solid var(--border);
  background:rgba(255,255,255,0.03);
  color:var(--text);
  cursor:pointer;
}
button.copy:hover{border-color:rgba(255,255,255,0.18)}
.footer{margin-top:38px; padding-top:16px; border-top:1px solid var(--border); color:var(--muted); font-size:13px; display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap}
.kbd{font-family:var(--mono); font-size:12px; padding:2px 6px; border:1px solid var(--border); border-radius:6px; background:rgba(255,255,255,0.02)}