:root{--ink:#111827;--muted:#4b5563;--line:#e5e7eb;--bg:#fff;--soft:#f7f7f8;--accent:#1d4ed8;--code:#f3f4f6}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--accent)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:.4em .7em;z-index:9}
.top{display:flex;justify-content:space-between;align-items:center;padding:.8rem 1.25rem;border-bottom:1px solid var(--line)}
.brand{font-weight:700;color:var(--ink);text-decoration:none;font-size:1.1rem}.brand span{color:var(--muted);font-weight:500}
/* App switcher: the brand opens Studio / Docs / Support (a <details> menu, no script; same in docs, support and the studio) */
.apps{position:relative;flex:none}
.apps>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:.4rem;padding:.25rem .5rem;margin:-.25rem 0 -.25rem -.5rem;border-radius:8px}
.apps>summary::-webkit-details-marker{display:none}
.apps>summary:hover,.apps[open]>summary{background:var(--soft)}
.apps>summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.apps .apps-chev{display:inline-block;width:.42rem;height:.42rem;margin:-.25rem .1rem 0 .1rem;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .15s}
.apps[open] .apps-chev{transform:translateY(.2rem) rotate(-135deg)}
.apps-menu{position:absolute;z-index:20;top:calc(100% + .55rem);left:-.5rem;width:min(18rem,calc(100vw - 1.5rem));margin:0;padding:.35rem;list-style:none;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 1px 2px rgba(17,24,39,.04),0 10px 28px rgba(17,24,39,.12);font-size:1rem}
.apps-menu li{margin:0;padding:0}
.apps-menu a{position:relative;display:grid;gap:.05rem;padding:.5rem 2.1rem .5rem .7rem;border-radius:8px;color:var(--ink);text-decoration:none;font-weight:400;line-height:1.4}
.apps-menu a:hover{background:var(--soft);color:var(--ink)}
.apps-name{font-weight:600}
.apps-desc{color:var(--muted);font-size:.86rem;line-height:1.35}
.apps-menu a[aria-current]{background:var(--soft)}
.apps-menu a[aria-current]::after{content:"";position:absolute;right:.95rem;top:50%;width:.35rem;height:.7rem;margin-top:-.45rem;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(45deg)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.studio{background:var(--ink);color:#fff;text-decoration:none;padding:.45em .9em;border-radius:8px;font-weight:600;font-size:.9rem}
.top-actions{display:flex;align-items:center;gap:.5rem}
.side li.nav-support{margin-top:.6rem;padding-top:.6rem;border-top:1px solid var(--line)}
.wrap{display:grid;grid-template-columns:240px minmax(0,1fr);max-width:1100px;margin:0 auto;gap:2rem;padding:1.5rem 1.25rem}
.side ul{list-style:none;margin:0;padding:0;position:sticky;top:1rem}
.side li a{display:block;padding:.35em .6em;border-radius:6px;color:var(--ink);text-decoration:none}
.side li a:hover{background:var(--soft)}
.side li a[aria-current=page]{background:var(--soft);font-weight:600}
main{min-width:0}
h1{font-size:2rem;line-height:1.2;margin:.2em 0 .4em}
h2{font-size:1.35rem;margin:1.8em 0 .5em;padding-top:.3em;border-top:1px solid var(--line)}
h3{font-size:1.1rem;margin:1.4em 0 .4em}
.lede{font-size:1.12rem;color:var(--muted)}
.note{background:var(--soft);border-left:3px solid var(--accent);padding:.6em .9em;border-radius:4px}
.bluf{background:var(--soft);border-left:4px solid var(--accent);border-radius:6px;padding:.8em 1.1em;margin:.4em 0 1.4em}.bluf p{margin:0}.bluf p+p{margin-top:.35em}
.bluf-label{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
code{background:var(--code);padding:.1em .35em;border-radius:4px;font-size:.92em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
pre{background:var(--code);padding:.9em 1em;border-radius:8px;overflow:auto}pre code{padding:0;background:none}
table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem;display:block;overflow-x:auto}
th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:.5em .7em}
th{background:var(--soft)}
.updated{color:var(--muted);font-size:.85rem;margin-top:3rem}
.entry{border-top:1px solid var(--line);padding-top:.6rem}.entry time{color:var(--muted);font-size:.9rem}
.entry h2{border:0;margin:.2em 0 .3em;padding:0;font-size:1.2rem}
.foot{border-top:1px solid var(--line);padding:1rem 1.25rem;color:var(--muted);font-size:.9rem;text-align:center}
@media (max-width:760px){.wrap{grid-template-columns:1fr}.side ul{position:static;display:flex;flex-wrap:wrap;gap:.2rem}.side li a{padding:.25em .5em;font-size:.92rem}.side li.nav-support{margin-top:0;padding-top:0;border-top:0}.top{gap:.5rem;padding:.7rem .9rem}.brand{font-size:1rem;white-space:nowrap}.top-actions{gap:.35rem}.studio{font-size:.82rem;padding-left:.7em;padding-right:.7em;white-space:nowrap}}
@media (max-width:400px){.top{flex-wrap:wrap;gap:.4rem}.brand{font-size:.92rem}.studio{font-size:.78rem;padding-left:.6em;padding-right:.6em}}