@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root{
  --fg:#0f172a;
  --muted:#475569;
  --bg:#ffffff;
  --accent:#35d3c6;
  --card:#f8fafc;
  --border:#e2e8f0;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto;line-height:1.7;-webkit-font-smoothing:antialiased;}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible{outline:3px solid color-mix(in oklab, var(--accent) 40%, white);outline-offset:2px;border-radius:6px}
.container{max-width:880px;margin:48px auto;padding:0 20px}
header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}
.header-left{display:flex;align-items:center;gap:12px}
.header-right{display:flex;align-items:center;gap:16px}
.logo img{width:36px;height:36px;border-radius:8px;display:block;box-shadow:0 0 0 1px var(--border) inset}
.logo:focus-visible{outline:3px solid color-mix(in oklab, var(--accent) 40%, white);outline-offset:3px;border-radius:8px}
.brand{font-weight:700;letter-spacing:.2px}
.nav a{margin-left:16px}
.card{background:var(--card);border-radius:16px;padding:24px;border:1px solid var(--border);box-shadow:0 1px 0 rgba(15,23,42,.04)}
h1{font-size:28px;margin:0 0 12px;font-weight:700}
h2{font-size:22px;margin:24px 0 8px;font-weight:600}
h3{font-size:18px;margin:20px 0 8px;font-weight:600}
footer{margin:40px 0 24px;color:var(--muted);font-size:14px}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;border:1px solid var(--border);background:#fff;font-size:12px;color:#0f172a}
ul{padding-left:20px}
li{margin:6px 0}
code{background:#f1f5f9;padding:2px 6px;border-radius:6px}

@media (prefers-color-scheme: dark){
  :root{--fg:#e6edf3;--muted:#9aa7b6;--bg:#0d1012;--accent:#7cecdf;--card:#121619;--border:#212a30}
  a:hover{text-decoration:none}
  .card{box-shadow:0 0 0 rgba(0,0,0,0)}
  .badge{background:color-mix(in oklab, var(--accent) 16%, transparent);color:var(--accent);border:1px solid color-mix(in oklab, var(--accent) 45%, var(--border))}
}