/* Design tokens: source of truth apikey-oauth/src/views/authorize.ts (PAGE_STYLE).
   Dark palette here diverges deliberately (softer contrast, tuned for long-form reading). */
:root{
  color-scheme:light dark;
  --accent:#175cd3;
  --link:#6c9ef2;
  --page:#121215;--card:#1b1b20;--border:#2c2c33;--text:#e6e6ea;--muted:#a1a1aa;
  --logo-color:var(--accent);
  --logo-glow:drop-shadow(0 0 4px rgba(255,255,255,.35));
  --code-bg:#17171c;
  --copied:#4ade80; /* bright green — the accent blue disappears on the dark page */
}
@media (prefers-color-scheme: light){
  :root{
    --page:#f4f4f5;--card:#ffffff;--border:#cbced4;--text:#18181b;--muted:#52525b;
    --logo-glow:none;--code-bg:#ececee;--link:var(--accent);
    --copied:#15803d; /* dark green for the light page */
  }
}
*{box-sizing:border-box}
html{scroll-padding-top:4.5rem}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--page);color:var(--text);margin:0;line-height:1.55}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}

/* top bar */
.topbar{position:sticky;top:0;background:var(--card);border-bottom:1px solid var(--border);z-index:10}
.topbar-inner{max-width:72rem;margin:0 auto;display:flex;align-items:center;justify-content:space-between;
  padding:.7rem 1rem}
.brand{display:flex;align-items:center;gap:.5rem}
.brand-logo{display:block;height:22px;aspect-ratio:160/26;background-color:var(--logo-color);
  -webkit-mask:url('/assets/logo.webp') no-repeat left center/contain;
  mask:url('/assets/logo.webp') no-repeat left center/contain;filter:var(--logo-glow)}
.brand-suffix{font-weight:700;color:var(--text);letter-spacing:.06em;font-size:.95rem}
.topnav a{color:var(--muted);margin-left:1.25rem;font-weight:600;font-size:.95rem}
.topnav a[aria-current="true"],.topnav a:hover{color:var(--link)}

/* shell */
.shell{max-width:72rem;margin:0 auto;padding:1.5rem 1rem;display:flex;gap:2rem;align-items:flex-start}
main{min-width:0;flex:1}
article{max-width:46rem;margin-inline:auto}

/* sidebar */
.sidebar{width:15.5rem;flex:none;position:sticky;top:4.2rem;max-height:calc(100vh - 5rem);
  overflow-y:auto;font-size:.9rem;padding-right:.5rem}
.sidebar h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text);font-weight:700;
  border-bottom:1px solid var(--border);padding-bottom:.3rem;margin:1.1rem 0 .35rem}
.sidebar ul{list-style:none;margin:0;padding:0}
.sidebar li{margin:.12rem 0}
.sidebar a{color:var(--text);display:inline-block;padding:.1rem 0}
.sidebar a.active{color:var(--link);font-weight:700}
.nav-res summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between}
.nav-res summary::after{content:"▸";color:var(--muted);font-size:.7rem;margin-left:.5rem}
.nav-res[open] summary::after{content:"▾"}
.nav-res summary::-webkit-details-marker{display:none}
.nav-res ul{margin-left:.35rem;border-left:1px solid var(--border);padding-left:.6rem}

/* breadcrumbs, content */
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:1rem}
.crumbs .sep{margin:0 .4rem;color:var(--border)}
h1{font-size:1.6rem;letter-spacing:-.01em;margin:.2rem 0 1rem}
h2{font-size:1.2rem;margin:1.8rem 0 .6rem;padding-top:.4rem;border-top:1px solid var(--border)}
h3{font-size:1.02rem;margin:1.3rem 0 .4rem}
p,li{color:var(--text)}
blockquote{margin:1rem 0;padding:.6rem 1rem;border-left:3px solid var(--accent);
  background:var(--card);border-radius:0 10px 10px 0;color:var(--muted)}
blockquote p{margin:.2rem 0}
code{background:var(--code-bg);border:1px solid var(--border);border-radius:6px;
  padding:.08em .35em;font-size:.88em}
pre{background:var(--code-bg);border:1px solid var(--border);border-radius:10px;
  padding:.9rem 1rem;overflow-x:auto}
pre code{background:none;border:none;padding:0;font-size:.85rem}
table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.88rem;display:block;overflow-x:auto}
th,td{border:1px solid var(--border);padding:.45rem .6rem;text-align:left;vertical-align:top}
th{background:var(--card);color:var(--muted);font-weight:600}
hr{border:none;border-top:1px solid var(--border);margin:2rem 0}
img{max-width:100%}

/* conditional blocks */
details.conditional{margin:1rem 0;border:1px dashed var(--accent);border-radius:10px;
  background:color-mix(in srgb, var(--accent) 7%, transparent);padding:.55rem .9rem}
details.conditional>summary{cursor:pointer;color:var(--link);font-weight:600;font-size:.9rem}
details.conditional[open]>summary{margin-bottom:.5rem}

/* landing doors */
.doors{display:flex;gap:1rem;margin:1.5rem 0;flex-wrap:wrap}
a.door{flex:1 1 16rem;display:block;background:var(--card);border:1px solid var(--border);
  border-radius:16px;padding:1.2rem 1.3rem;color:var(--text)}
a.door:hover{text-decoration:none;border-color:var(--accent);box-shadow:0 0 18px rgba(23,92,211,.22)}
a.door h2{border:none;margin:0 0 .4rem;padding:0;color:var(--link)}
a.door p{color:var(--muted);margin:0;font-size:.92rem}

/* code-highlight tint (works on both themes) */
.hljs-attr,.hljs-keyword{color:var(--link)}
.hljs-string{color:var(--muted)}

/* click-to-copy: buttons injected on <pre> blocks (assets/copy.js) */
.codeblock{position:relative}
.codeblock .copy-btn{position:absolute;top:.45rem;right:.45rem;opacity:0;
  font:inherit;font-size:.72rem;color:var(--muted);background:var(--card);
  border:1px solid var(--border);border-radius:6px;padding:.15rem .55rem;
  cursor:pointer;transition:opacity .12s}
.codeblock:hover .copy-btn,.codeblock .copy-btn:focus-visible{opacity:1}
.codeblock .copy-btn.copied{color:var(--copied);border-color:var(--copied);opacity:1}
@media (hover:none){.codeblock .copy-btn{opacity:.75}}

/* click-to-copy: inline chips (<code class="copy">, e.g. the server URL).
   Full text size — the URL is content to read and copy, not a compact code mention. */
code.copy{cursor:pointer;position:relative;font-size:1em}
code.copy:hover,code.copy:focus-visible{border-color:var(--accent)}
code.copy::after{content:"⧉ copy";position:absolute;right:-.15rem;top:-1.6em;
  white-space:nowrap;font-family:system-ui,sans-serif;font-size:.72rem;
  color:var(--link);background:var(--card);border:1px solid var(--border);
  border-radius:6px;padding:.05rem .4rem;opacity:0;pointer-events:none;transition:opacity .12s}
code.copy:hover::after,code.copy:focus-visible::after{opacity:1}
code.copy.copied{border-color:var(--copied)}
code.copy.copied::after{content:"✓ copied";color:var(--copied);border-color:var(--copied);opacity:1}

/* one-click install deeplinks (vscode:, cursor:) in the guides */
a.install-link{display:inline-block;background:var(--card);border:1px solid var(--accent);
  border-radius:8px;padding:.3rem .8rem;font-weight:600;font-size:.9rem}
a.install-link:hover{text-decoration:none;box-shadow:0 0 12px rgba(23,92,211,.25)}

footer{max-width:72rem;margin:2rem auto 0;padding:1rem;border-top:1px solid var(--border);
  color:var(--muted);font-size:.8rem}

@media (max-width: 900px){
  .shell{flex-direction:column}
  .sidebar{width:100%;position:static;max-height:none;order:2;border-top:1px solid var(--border);
    padding-top:1rem;margin-top:2rem}
  main{order:1;width:100%}
}

/* landing — spans the full shell so its edges line up with the top bar */
.home{max-width:none}
.home h1{font-size:2rem;letter-spacing:-.01em;margin:1rem 0 .9rem}
.home .lede{text-align:justify;margin:0 0 1.6rem;font-size:1.02rem;color:var(--text)}
.home .doors{margin-top:1.8rem}
.home a.door{padding:1.4rem 1.5rem}
/* playbook pages — the references footer renders visually secondary (spec §11 rule 3) */
article.playbook h2#references{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted);border-bottom:none;margin-top:2.2rem}
article.playbook h2#references+ol,
article.playbook h2#references+ul{font-size:.82rem;color:var(--muted)}
article.playbook h2#references+ol a,
article.playbook h2#references+ul a{color:var(--muted);text-decoration:underline}
/* the entry a [n] marker just jumped to — brief, so the reader lands on the right line */
article.playbook h2#references+ol li:target{background:rgba(23,92,211,.10);border-radius:5px;
  box-shadow:0 0 0 .35rem rgba(23,92,211,.10)}
/* in-text citation markers: present but subordinate to the prose */
sup.cite{font-size:.7em;line-height:0;vertical-align:super;color:var(--muted);white-space:nowrap}
sup.cite a{color:var(--accent);text-decoration:none;padding:0 .05em}
sup.cite a:hover{text-decoration:underline}
.cta{text-align:center;margin:2.2rem 0 .5rem}
a.button{display:inline-block;background:var(--accent);color:#fff;font-weight:700;
  padding:.65rem 1.3rem;border-radius:10px}
a.button:hover{text-decoration:none;box-shadow:0 0 18px rgba(23,92,211,.35)}