:root, [data-theme="dark"] {
  --bg:#0d1117; --canvas:#161b22; --fg:#e6edf3; --muted:#8b949e; --border:#30363d;
  --accent:#4493f8; --accent-bg:#1f6feb; --code:#161b22; --glow:rgba(68,147,248,.18);
}
[data-theme="light"] {
  --bg:#fff; --canvas:#f6f8fa; --fg:#1f2328; --muted:#59636e; --border:#d1d9e0;
  --accent:#0969da; --accent-bg:#1f883d; --code:#f6f8fa; --glow:rgba(9,105,218,.10);
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif; color:var(--fg); background:var(--bg); }
a { color:var(--accent); text-decoration:none; } a:hover { text-decoration:underline; }

.topbar { position:sticky; top:0; z-index:10; display:flex; justify-content:space-between; align-items:center; padding:.9rem 2rem; background:var(--canvas); border-bottom:1px solid var(--border); }
.brand { color:var(--fg); font-weight:600; font-size:1.05rem; } .brand:hover { text-decoration:none; }
.logo { color:var(--accent); margin-right:.3rem; }
.topbar nav { display:flex; align-items:center; gap:1.25rem; }
.topbar nav a { color:var(--muted); font-size:.95rem; } .topbar nav a:hover { color:var(--fg); text-decoration:none; }
#theme-toggle { background:none; border:1px solid var(--border); border-radius:6px; color:var(--muted); cursor:pointer; padding:.15rem .5rem; font-size:1rem; }
#theme-toggle:hover { color:var(--fg); }

.hero { text-align:center; padding:5rem 1.25rem 3.5rem; background:radial-gradient(ellipse at top, var(--glow), transparent 65%); border-bottom:1px solid var(--border); }
.hero h1 { font-size:clamp(2.2rem,5vw,3.4rem); margin:0 0 .5rem; letter-spacing:-.02em; }
.lead { font-size:1.2rem; color:var(--muted); }
.hero .lead { max-width:640px; margin:0 auto 1.5rem; }
.hero-cmd { display:inline-block; text-align:left; margin:0 0 1.5rem; }
.btn { display:inline-block; padding:.5rem 1.1rem; border:1px solid var(--border); border-radius:6px; color:var(--fg); background:var(--canvas); font-weight:600; margin:0 .25rem; }
.btn:hover { border-color:var(--muted); text-decoration:none; }
.btn.primary { background:var(--accent-bg); border-color:transparent; color:#fff; }

.wrap { max-width:1100px; margin:0 auto; padding:2rem 1.25rem; }
.toolbar { display:flex; flex-wrap:wrap; gap:1rem; align-items:center; margin:1.5rem 0 1rem; }
#filter { flex:1 1 260px; padding:.55rem .8rem; background:var(--canvas); color:var(--fg); border:1px solid var(--border); border-radius:6px; font:inherit; }
#filter:focus { outline:2px solid var(--accent); border-color:transparent; }
.chips { display:flex; gap:.5rem; flex-wrap:wrap; }
.chip { background:var(--canvas); color:var(--muted); border:1px solid var(--border); border-radius:999px; padding:.25rem .8rem; cursor:pointer; font:inherit; font-size:.9rem; }
.chip:hover { color:var(--fg); } .chip.active { background:var(--accent-bg); border-color:transparent; color:#fff; }

.cards { list-style:none; padding:0; margin:0; display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:1rem; }
.cards li[hidden] { display:none; }
.cards a { display:flex; flex-direction:column; gap:.25rem; height:100%; padding:1.1rem; background:var(--canvas); border:1px solid var(--border); border-radius:10px; color:var(--fg); transition:border-color .15s, transform .15s; }
.cards a:hover { border-color:var(--accent); transform:translateY(-2px); text-decoration:none; }
.cards strong { font-size:1.05rem; font-family:ui-monospace,SFMono-Regular,Menlo,monospace; }
.cards .desc { color:var(--muted); font-size:.92rem; }
.tag { align-self:flex-start; font-size:.72rem; text-transform:uppercase; letter-spacing:.05em; color:var(--accent); border:1px solid var(--border); border-radius:999px; padding:0 .55rem; }
.muted { color:var(--muted); }

.docs { display:grid; grid-template-columns:220px minmax(0,1fr); gap:2.5rem; align-items:start; }
.sidebar { position:sticky; top:5rem; display:flex; flex-direction:column; gap:.1rem; }
.sidebar h4 { margin:1.1rem 0 .3rem; font-size:.75rem; text-transform:uppercase; letter-spacing:.06em; color:var(--muted); }
.sidebar a { color:var(--fg); padding:.25rem .6rem; border-radius:6px; border-left:2px solid transparent; font-size:.95rem; }
.sidebar a:hover { background:var(--canvas); text-decoration:none; }
.sidebar a.current { background:var(--canvas); border-left-color:var(--accent); color:var(--accent); font-weight:600; }
@media (max-width:800px) { .docs { grid-template-columns:1fr; } .sidebar { position:static; flex-direction:row; flex-wrap:wrap; gap:.4rem; } .sidebar h4 { width:100%; margin:.5rem 0 0; } .topbar { padding:.8rem 1rem; } }

.prose { min-width:0; }
.prose h1 { font-size:2rem; margin-top:0; font-family:ui-monospace,SFMono-Regular,Menlo,monospace; }
.prose h2 { margin-top:2rem; padding-bottom:.3rem; border-bottom:1px solid var(--border); }
code { background:var(--code); border:1px solid var(--border); padding:.1em .35em; border-radius:6px; font-size:.88em; font-family:ui-monospace,SFMono-Regular,Menlo,monospace; }
pre { background:var(--code); border:1px solid var(--border); padding:1rem; border-radius:8px; overflow-x:auto; }
pre code { background:none; border:0; padding:0; }
table { border-collapse:collapse; display:block; overflow-x:auto; }
th, td { border:1px solid var(--border); padding:.45rem .8rem; text-align:left; vertical-align:top; }
th { background:var(--canvas); }
.intro { max-width:760px; }
footer { text-align:center; color:var(--muted); padding:2.5rem 0; font-size:.9rem; border-top:1px solid var(--border); margin-top:2rem; }