:root{--bg:#fbfaf7;--fg:#1a1d1a;--muted:#5b625c;--line:#e4e2da;--accent:#166534;--accent2:#15803d;--soft:#ecf5ee;--card:#fff;--warn:#fff7e6;--warnline:#f0d9a8}
@media (prefers-color-scheme:dark){:root{--bg:#0d110e;--fg:#eef2ee;--muted:#9aa59c;--line:#223026;--accent:#4ade80;--accent2:#4ade80;--soft:#13221a;--card:#131a15;--warn:#2a2412;--warnline:#5b4a1a}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-text-size-adjust:100%}
a{color:var(--accent2)}
.wrap{max-width:60rem;margin:0 auto;padding:0 16px}
.bar{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;flex-wrap:wrap}
.brand{font-weight:800;font-size:1.15rem;letter-spacing:-.01em;color:var(--fg);text-decoration:none}
.brand b{color:var(--accent2)}
nav{display:flex;gap:4px 18px;font-size:.95rem;flex-wrap:wrap}
nav a{color:var(--muted);text-decoration:none;padding:4px 0}nav a:hover,nav a[aria-current]{color:var(--accent2)}
.hero{background:radial-gradient(1200px 400px at 80% -10%,var(--soft),transparent 60%);border-bottom:1px solid var(--line)}
.hero .wrap{padding-top:44px;padding-bottom:40px}
.kicker{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent2);background:var(--soft);padding:4px 10px;border-radius:99px}
h1{font-size:clamp(1.8rem,5.2vw,2.8rem);line-height:1.15;letter-spacing:-.02em;margin:14px 0 14px}
.lead{font-size:1.15rem;color:var(--muted);max-width:42rem;margin:0 0 20px}
.cta{display:inline-block;margin:4px 8px 4px 0;padding:.7rem 1.2rem;border-radius:.6rem;background:var(--accent);color:#fff;font-weight:650;text-decoration:none}
@media (prefers-color-scheme:dark){.cta{color:#06240f}}
.cta.alt{background:transparent;border:1px solid var(--line);color:var(--fg)}
.toc{display:flex;gap:6px;margin:20px 0 0;padding:0 0 6px;list-style:none;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.toc::-webkit-scrollbar{display:none}
.toc li{margin:0;flex:none}
.toc a{display:block;padding:4px 10px;border:1px solid var(--line);border-radius:99px;font-size:.82rem;white-space:nowrap;color:var(--muted);text-decoration:none;background:var(--card)}
.toc a:hover{border-color:var(--accent2);color:var(--accent2)}
main section{padding:8px 0}
h2{font-size:1.55rem;line-height:1.25;letter-spacing:-.01em;margin:2.6rem 0 .6rem;padding-top:.4rem}
h2 small{display:block;font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent2);margin-bottom:2px}
h3{font-size:1.1rem;margin:1.4rem 0 .3rem}
p{margin:.5rem 0}
ul,ol{padding-left:1.3rem}li{margin:.25rem 0}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));margin:1rem 0}
.card{padding:16px 18px;border:1px solid var(--line);border-radius:.8rem;background:var(--card)}
.card b{display:block;margin-bottom:2px}.card span{color:var(--muted);font-size:.94rem}
.shot{margin:28px 0 0}.shot img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:.9rem;box-shadow:0 10px 30px -12px rgba(0,0,0,.25)}.shot figcaption{margin-top:8px;font-size:.88rem;color:var(--muted)}
.note{padding:12px 16px;border:1px solid var(--warnline);background:var(--warn);border-radius:.7rem;font-size:.95rem;margin:1rem 0}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem}
pre{overflow-x:auto;padding:14px 16px;border:1px solid var(--line);border-radius:.7rem;background:var(--card);line-height:1.5}
.tablewrap{overflow-x:auto;margin:1rem 0;border:1px solid var(--line);border-radius:.8rem;background:var(--card)}
table{border-collapse:collapse;width:100%;min-width:34rem;font-size:.95rem}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:var(--soft)}
tr:last-child td{border-bottom:0}
td.y{color:var(--accent2);font-weight:650}td.n{color:var(--muted)}
.tools td:first-child{white-space:nowrap}
details{border:1px solid var(--line);border-radius:.7rem;padding:10px 16px;margin:8px 0;background:var(--card)}
summary{cursor:pointer;font-weight:650}
footer{margin-top:3.5rem;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
footer .wrap{padding-top:18px;padding-bottom:34px;display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:space-between}