/*
  Document pages. Same phosphor world as the overview, but tuned for reading at length:
  the display face steps back to headings only, and body copy gets a proper measure.
  Single-theme on purpose — the subject is a monochrome green display.
*/
:root{
  --ground:#000;
  --phosphor:#3CFA44;
  --phos-dim:#1E7A28;
  --phos-deep:#0C2711;
  --ink:#E4E8E3;
  --muted:#98A499;          /* lifted from the overview's --muted: long-form needs more */
  --rule:#16301A;
  --panel:#070B07;
  --display:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --body:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--ground);color:var(--ink);
  font-family:var(--body);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}

/* ---- nav ---- */
.topnav{position:sticky;top:0;z-index:10;background:rgba(0,0,0,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
.navwrap{max-width:940px;margin:0 auto;padding:12px 24px;display:flex;
  align-items:center;gap:22px;flex-wrap:wrap}
.brand{font-family:var(--display);font-weight:700;font-size:15px;color:var(--ink);
  text-decoration:none;letter-spacing:-.02em}
.brand:hover{color:var(--phosphor)}
/* Stated in the furniture, not just the prose: it is on screen on every page. */
.navchip{font-family:var(--display);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ground);background:var(--phosphor);padding:3px 8px;border-radius:2px;
  white-space:nowrap;font-weight:700}
.topnav nav{display:flex;gap:18px;flex-wrap:wrap}
.topnav nav a{font-family:var(--display);font-size:13px;color:var(--muted);
  text-decoration:none;padding:2px 0;border-bottom:1px solid transparent}
.topnav nav a:hover{color:var(--phosphor)}
.topnav nav a.here{color:var(--phosphor);border-bottom-color:var(--phos-dim)}
.topnav a:focus-visible{outline:2px solid var(--phosphor);outline-offset:3px}

/* ---- page frame ---- */
.doc-wrap{max-width:940px;margin:0 auto;padding:52px 24px 96px}
.eyebrow{font-family:var(--display);font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--phos-dim);margin:0 0 16px}
h1{font-family:var(--display);font-size:clamp(30px,5vw,48px);letter-spacing:-.03em;
  line-height:1.06;margin:0;text-wrap:balance}
.standfirst{font-size:clamp(17px,2vw,19px);color:var(--muted);max-width:62ch;margin:18px 0 0}
.backlink{margin-top:64px;padding-top:24px;border-top:1px solid var(--rule)}
.backlink a{font-family:var(--display);font-size:14px;color:var(--phos-dim);text-decoration:none}
.backlink a:hover{color:var(--phosphor)}

/* ---- contents ---- */
.toc{margin:40px 0 0;border:1px solid var(--rule);background:var(--panel);padding:20px 24px}
.toc p{font-family:var(--display);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--phos-dim);margin:0 0 12px}
.toc ol{list-style:none;margin:0;padding:0;column-width:280px;column-gap:36px}
.toc li{break-inside:avoid;margin:0 0 5px;font-size:14px;line-height:1.5}
.toc li.lv3{padding-left:16px}
.toc li.lv3 a{color:var(--muted)}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--phosphor)}

/* ---- prose ---- */
.prose{margin-top:52px}
.prose>*{max-width:74ch}
.prose h2,.prose h3{font-family:var(--display);letter-spacing:-.02em;
  scroll-margin-top:80px;text-wrap:balance}
/* API names are long single tokens — `NotificationListenerService` is 27 characters and
   will not wrap, so on a narrow screen one heading drags the whole page sideways. */
.prose h2,.prose h3,.prose h4{overflow-wrap:anywhere}
.prose p,.prose li,.prose td,.prose th,.toc a,.standfirst{overflow-wrap:break-word}
.prose h2{font-size:clamp(21px,3vw,27px);margin:64px 0 16px;padding-top:22px;
  border-top:1px solid var(--rule)}
.prose h3{font-size:19px;margin:44px 0 12px;color:var(--phosphor)}
.prose h4{font-size:16px;margin:28px 0 8px;font-family:var(--display)}
.prose .anchor{color:inherit;text-decoration:none}
.prose .anchor:hover{color:var(--phosphor)}
.prose p{color:var(--muted);margin:0 0 18px}
.prose strong{color:var(--ink);font-weight:600}
.prose em{color:var(--ink);font-style:italic}
.prose a{color:var(--phosphor);text-decoration:none;border-bottom:1px solid var(--phos-deep)}
.prose a:hover{border-bottom-color:var(--phosphor)}
.prose ul,.prose ol{color:var(--muted);padding-left:22px;margin:0 0 18px}
.prose li{margin:0 0 9px}
.prose li::marker{color:var(--phos-dim)}
.prose blockquote{margin:24px 0;padding:2px 0 2px 20px;border-left:2px solid var(--phos-deep)}
.prose blockquote p{color:var(--ink)}
.prose hr{border:0;border-top:1px solid var(--rule);margin:48px 0}
.prose code{font-family:var(--display);font-size:.88em;color:var(--phosphor);
  background:var(--phos-deep);padding:1px 5px;border-radius:2px}
.prose pre{background:var(--panel);border:1px solid var(--rule);padding:16px 18px;
  overflow-x:auto;margin:0 0 22px;max-width:100%}
.prose pre code{background:none;padding:0;color:var(--ink);font-size:13.5px;line-height:1.6}

/* Wide content scrolls inside its own container; the page body never moves sideways. */
.prose .tablewrap{max-width:100%;overflow-x:auto;margin:0 0 24px;
  border-bottom:1px solid var(--rule)}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px}
.prose thead th{font-family:var(--display);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--phos-dim);text-align:left;
  border-bottom:1px solid var(--rule);padding:10px 14px 10px 0;vertical-align:bottom}
.prose td{color:var(--muted);padding:11px 14px 11px 0;border-bottom:1px solid #0E1A0F;
  vertical-align:top;min-width:104px}
.prose td:first-child{color:var(--ink)}
.prose td code,.prose th code{white-space:nowrap}