/* Compose Panel documentation site. Self-contained (no framework, no external
 * fonts), same design tokens as the panel stylesheet: brand accent #2F5BFF on
 * light, #6C8CFF on dark. */
:root{
  color-scheme:light dark;
  font-family:ui-sans-serif,system-ui,sans-serif;line-height:1.6;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --bg:#F4F4F2;--surface:#FFFFFF;--ink:#111111;--muted:#5C5C66;--border:#D9D9DE;
  --accent:#2F5BFF;--accent-ink:#FFFFFF;--code-bg:#F0F0EE;
  --topbar:#FFFFFF;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0E0E10;--surface:#17171A;--ink:#F4F4F2;--muted:#A0A0AA;--border:#2E2E34;
  --accent:#6C8CFF;--accent-ink:#0E0E10;--code-bg:#1F1F23;--topbar:#141417;
}}
*{box-sizing:border-box}
html{scroll-padding-top:5rem}
body{margin:0;background:var(--bg);color:var(--ink)}
a{color:var(--accent);text-underline-offset:.18em}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:.5rem;z-index:10;background:var(--surface);padding:.4rem .7rem;border:1px solid var(--border);border-radius:.45rem}

/* Top bar */
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.6rem 1.25rem;background:var(--topbar);border-bottom:1px solid var(--border)}
.brand{display:inline-flex;align-items:center;gap:.55rem;text-decoration:none;color:inherit;font-weight:700;font-size:1.1rem}
.brand img{display:block}
.brand-tag{font-weight:500;font-size:.8rem;color:var(--muted);border:1px solid var(--border);border-radius:1rem;padding:.05rem .5rem}
.top-nav{display:flex;gap:1rem;font-size:.9rem}
.top-nav a{color:var(--muted);text-decoration:none}
.top-nav a:hover{color:var(--accent)}

/* Two-column shell */
.layout{display:grid;grid-template-columns:17rem minmax(0,1fr);gap:2.5rem;max-width:76rem;margin:0 auto;padding:1.75rem 1.25rem 3rem}
.sidebar{position:sticky;top:4.25rem;align-self:start;max-height:calc(100vh - 5rem);overflow:auto;font-size:.92rem}
.side-title{margin:0 0 .35rem;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.side-list{list-style:none;margin:0 0 1.35rem;padding:0;display:flex;flex-direction:column;gap:.1rem}
.side-list a{display:block;padding:.28rem .55rem;border-radius:.4rem;color:var(--ink);text-decoration:none;border-left:2px solid transparent}
.side-list a:hover{background:var(--code-bg)}
.side-list a.active{color:var(--accent);border-left-color:var(--accent);font-weight:600;background:var(--code-bg)}
.side-num{color:var(--muted);font-family:var(--mono);font-size:.82em;margin-right:.35rem}

/* Content */
.content{min-width:0}
.doc{background:var(--surface);border:1px solid var(--border);border-radius:.6rem;padding:1.75rem 2rem}
.doc > :first-child{margin-top:0}
.doc h1{margin:0 0 1rem;font-size:1.8rem;line-height:1.2}
.doc h2{margin:2rem 0 .75rem;padding-top:.75rem;border-top:1px solid var(--border);font-size:1.3rem}
.doc h3{margin:1.6rem 0 .5rem;font-size:1.05rem}
.doc p,.doc li{margin:.6rem 0}
.doc ul,.doc ol{padding-left:1.4rem}
.doc a{word-break:break-word}
.doc blockquote{margin:1rem 0;padding:.2rem 1rem;border-left:3px solid var(--accent);background:var(--code-bg);color:var(--muted)}
.doc blockquote p{margin:.5rem 0}
.doc code{font-family:var(--mono);font-size:.875em;background:var(--code-bg);padding:.05rem .3rem;border-radius:.25rem}
.doc pre{font-family:var(--mono);font-size:.85rem;margin:1rem 0;padding:.85rem 1rem;overflow:auto;background:var(--code-bg);border:1px solid var(--border);border-radius:.45rem;tab-size:2}
.doc pre code{background:none;padding:0}
.doc table{border-collapse:collapse;width:100%;margin:1rem 0;display:block;overflow-x:auto}
.doc th,.doc td{text-align:left;padding:.5rem .7rem;border:1px solid var(--border);vertical-align:top}
.doc th{background:var(--code-bg);font-size:.85rem}
.doc hr{border:0;border-top:1px solid var(--border);margin:2rem 0}
.doc img{max-width:100%;height:auto}
.doc input[type=checkbox]{margin-right:.4rem}
.doc :target{scroll-margin-top:5rem}

/* Footer */
.footer{margin-top:1.75rem;padding-top:1rem;border-top:1px solid var(--border);color:var(--muted);font-size:.85rem}
.footer p{margin:0}
.footer a{color:inherit}

/* Narrow screens: sidebar on top, content readable */
@media (max-width:52rem){
  .layout{grid-template-columns:1fr;gap:1.5rem;padding:1.25rem 1rem 2.5rem}
  .sidebar{position:static;max-height:none;border:1px solid var(--border);border-radius:.6rem;padding:1rem 1.1rem}
  .doc{padding:1.25rem 1.15rem}
  .doc h1{font-size:1.5rem}
}