:root{--bg:#0d1117;--fg:#e6edf3;--muted:#9aa4b2;--card:#161b22;--line:#30363d;--accent:#3fb950;--accent2:#58a6ff;--max:44rem}
@media (prefers-color-scheme:light){:root{--bg:#fff;--fg:#1f2328;--muted:#59636e;--card:#f6f8fa;--line:#d0d7de;--accent:#1a7f37;--accent2:#0969da}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent2)}a:hover{text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.1rem}
header.site{border-bottom:1px solid var(--line)}header.site .wrap{display:flex;gap:1rem;align-items:center;justify-content:space-between;padding:.8rem 1.1rem;flex-wrap:wrap}
.logo{font-weight:800;color:var(--fg);text-decoration:none;letter-spacing:-.02em;font-size:1.15rem}.logo span{color:var(--accent)}
nav a{color:var(--muted);text-decoration:none;margin-left:1rem;font-size:.95rem}nav a:hover{color:var(--fg)}
main{padding:2rem 0 3rem}h1{font-size:2rem;line-height:1.2;letter-spacing:-.02em;margin:.2rem 0 1rem}h2{font-size:1.35rem;margin-top:2.2rem}h3{font-size:1.1rem;margin-top:1.6rem}
.lede{font-size:1.15rem;color:var(--muted)}
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:700;padding:.7rem 1.2rem;border-radius:8px;text-decoration:none;border:0;cursor:pointer;font-size:1rem}
.btn.alt{background:transparent;color:var(--fg);border:1px solid var(--line)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:1rem;margin:1.5rem 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1rem 1.1rem}.card h3{margin-top:0}
.note{background:var(--card);border-left:4px solid var(--accent2);padding:.8rem 1rem;border-radius:6px;font-size:.95rem}
table{border-collapse:collapse;width:100%;font-size:.93rem;margin:1rem 0;display:block;overflow-x:auto}th,td{border:1px solid var(--line);padding:.45rem .6rem;text-align:left;vertical-align:top}th{background:var(--card)}
pre{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:.9rem;overflow-x:auto;font-size:.86rem;line-height:1.5}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}
form.signup{display:flex;gap:.5rem;flex-wrap:wrap;margin:1rem 0}form.signup input{flex:1 1 14rem;padding:.7rem;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--fg);font-size:1rem}
.meta{color:var(--muted);font-size:.9rem}.small{font-size:.88rem;color:var(--muted)}
footer.site{border-top:1px solid var(--line);padding:1.5rem 0;color:var(--muted);font-size:.85rem}footer.site a{color:var(--muted)}
.btn.disabled{opacity:.6;cursor:not-allowed}.soon{background:var(--card);border:1px dashed var(--line);border-radius:8px;padding:.8rem 1rem;margin:1rem 0}