/* Access Controller manual - shared stylesheet (screen + print). No external assets. */
:root {
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --paper: #ffffff;
  --cta: #0369a1;
  --cta-ink: #ffffff;
  --accent: #0f766e;
  --amber: #b45309;
  --amber-bg: #fffbeb;
  --red: #b91c1c;
  --red-bg: #fef2f2;
  --blue-bg: #eff6ff;
  --green-bg: #ecfdf5;
  --code-bg: #f1f5f9;
  --side-w: 270px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { color-scheme: light; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--cta); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: var(--mono); font-size: 0.9em; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
pre {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  overflow-x: auto;
  line-height: 1.45;
}
pre code { background: none; padding: 0; }

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  height: 56px; padding: 0 22px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 17px; color: var(--ink); display: flex; align-items: center; gap: 10px; }
.brand .mark, .cover-mark {
  width: 26px; height: 26px; border-radius: 7px;
  background: linear-gradient(135deg, #38bdf8, #0369a1 55%, #0f766e);
  position: relative; display: inline-block;
}
.brand .mark::after, .cover-mark::after {
  content: ""; position: absolute; left: 8px; right: 8px; top: 8px; bottom: 6px;
  border: 2px solid #fff; border-bottom: 0; border-radius: 6px 6px 0 0;
}
.cover-mark { width: 64px; height: 64px; border-radius: 16px; margin-bottom: 26px; }
.cover-mark::after { left: 20px; right: 20px; top: 18px; bottom: 14px; border-width: 4px; border-radius: 14px 14px 0 0; }
.btn {
  display: inline-block; background: var(--cta); color: var(--cta-ink) !important;
  padding: 8px 16px; border-radius: 8px; font-weight: 600; font-size: 14px;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.big { font-size: 16px; padding: 12px 22px; }

/* ---------- layout ---------- */
.layout { display: flex; min-height: calc(100vh - 56px); }
.side {
  width: var(--side-w); flex-shrink: 0;
  position: sticky; top: 56px; align-self: flex-start;
  max-height: calc(100vh - 56px); overflow-y: auto;
  padding: 22px 14px 30px 18px;
  border-right: 1px solid var(--line);
  background: var(--paper);
}
.side-title { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 10px 10px; }
.side ol { list-style: none; margin: 0; padding: 0; }
.side li a {
  display: flex; gap: 10px; align-items: baseline;
  padding: 7px 10px; border-radius: 8px; color: var(--ink); font-size: 14px; line-height: 1.35;
}
.side li a:hover { background: var(--bg); text-decoration: none; }
.side li.on a { background: var(--blue-bg); color: var(--cta); font-weight: 600; }
.side .n { font-family: var(--mono); font-size: 12px; color: var(--muted); min-width: 22px; }
.side li.on .n { color: var(--cta); }

.doc {
  flex: 1; min-width: 0;
  max-width: 860px;
  padding: 34px 48px 60px;
}
.crumb { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 4px; }
h1 { font-size: 34px; line-height: 1.15; margin: 0 0 18px; letter-spacing: -0.01em; }
h2 { font-size: 24px; margin: 40px 0 12px; padding-top: 8px; border-top: 1px solid var(--line); }
h3 { font-size: 18px; margin: 26px 0 8px; }
h4 { font-size: 15.5px; margin: 20px 0 6px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
p { margin: 0 0 14px; }
.lead { font-size: 18px; color: var(--muted); }
ul, ol { padding-left: 26px; margin: 0 0 14px; }
li { margin: 4px 0; }
li > ul, li > ol { margin: 4px 0 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 30px 0; }
strong { font-weight: 650; }

/* on-page toc */
.toc { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 12px 18px; margin: 0 0 22px; }
.toc-title { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.toc ul { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 24px; }
.toc li { margin: 2px 0; font-size: 14px; break-inside: avoid; }

/* callouts */
.callout {
  margin: 18px 0; padding: 12px 16px;
  border-left: 4px solid var(--cta); background: var(--blue-bg);
  border-radius: 0 8px 8px 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout.warning { border-color: var(--red); background: var(--red-bg); }
.callout.note { border-color: var(--amber); background: var(--amber-bg); }
.callout.tip { border-color: var(--accent); background: var(--green-bg); }

/* figures */
figure { margin: 22px 0; }
figure img {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 8px 24px -14px rgba(15, 23, 42, .35);
  background: #0b1220;
}
figcaption { font-size: 13.5px; color: var(--muted); margin-top: 8px; }
img { max-width: 100%; }

/* tables */
.table-wrap { overflow-x: auto; margin: 16px 0 20px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--code-bg); font-size: 12.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }

/* contents page */
.contents { list-style: none; padding: 0; margin: 20px 0; }
.contents li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.contents .ch { font-size: 18px; font-weight: 600; display: flex; gap: 12px; align-items: baseline; color: var(--ink); }
.contents .ch .n { font-family: var(--mono); font-size: 13px; color: var(--cta); }
.contents .subs { font-size: 13.5px; color: var(--muted); margin: 4px 0 0 34px; line-height: 1.7; }

/* prev / next */
.pn { display: flex; justify-content: space-between; gap: 16px; margin-top: 50px; padding-top: 20px; border-top: 1px solid var(--line); }
.pn a { display: flex; flex-direction: column; padding: 12px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--ink); font-weight: 600; max-width: 48%; }
.pn a small { font-weight: 400; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.pn a.next { text-align: right; margin-left: auto; }
.pn a:hover { text-decoration: none; border-color: var(--cta); }

.foot { text-align: center; color: var(--muted); font-size: 13px; padding: 24px; border-top: 1px solid var(--line); }

@media (max-width: 900px) {
  .layout { display: block; }
  .side { position: static; width: auto; max-height: none; border-right: 0; border-bottom: 1px solid var(--line); }
  .doc { padding: 22px 18px 40px; }
  .toc ul { columns: 1; }
  h1 { font-size: 28px; }
}

/* ---------- print ---------- */
@media print {
  body { background: #fff; font-size: 11.5pt; }
  .top, .side, .pn, .foot, .toc { display: none !important; }
  .layout { display: block; }
  .doc { max-width: none; padding: 0; }
  a { color: inherit; }
  figure img { box-shadow: none; }
  h2 { border-top: 0; }
  pre, .table-wrap { border-color: #cbd5e1; }
  .table-wrap { overflow: visible; }
}
body.print { background: #fff; }
body.print .doc { padding: 0; }