/* Lore documentation. Plain CSS, no build step, no external requests. */
:root {
  --bg: #0d0c1d; --bg-soft: #12112a; --surface: #16142f; --surface-2: #1d1a3c; --border: #2b2853;
  --text: #ebe9ff; --muted: #a8a5d1; --faint: #77739f;
  --accent: #8f83ff; --accent-ink: #0d0c1d; --link: #b3a9ff;
  --gold: #ffd98a; --orange: #ff9e5e; --green: #6fe0a8; --red: #ff8494; --blue: #78bcff;
  --code-bg: #0a0919; --code-text: #e4e1ff; --inline-bg: #231f4a;
  --glow: rgba(143, 131, 255, .22);
  --shadow: 0 12px 34px rgba(0, 0, 0, .38);
  --radius: 12px; --sidebar: 272px; --toc: 224px; --topbar: 60px;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #fbfaff; --bg-soft: #f4f2ff; --surface: #ffffff; --surface-2: #f0edff; --border: #ddd8f5;
    --text: #1b1838; --muted: #5a5782; --faint: #85819f;
    --accent: #5b4fd0; --accent-ink: #ffffff; --link: #4a3fc0;
    --gold: #9a5b00; --orange: #b4531c; --green: #0f7a4d; --red: #b4232f; --blue: #1c5fb0;
    --code-bg: #f4f2ff; --code-text: #231f4a; --inline-bg: #ebe7ff;
    --glow: rgba(91, 79, 208, .14);
    --shadow: 0 12px 30px rgba(60, 45, 140, .12);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #fbfaff; --bg-soft: #f4f2ff; --surface: #ffffff; --surface-2: #f0edff; --border: #ddd8f5;
  --text: #1b1838; --muted: #5a5782; --faint: #85819f;
  --accent: #5b4fd0; --accent-ink: #ffffff; --link: #4a3fc0;
  --gold: #9a5b00; --orange: #b4531c; --green: #0f7a4d; --red: #b4232f; --blue: #1c5fb0;
  --code-bg: #f4f2ff; --code-text: #231f4a; --inline-bg: #ebe7ff;
  --glow: rgba(91, 79, 208, .14);
  --shadow: 0 12px 30px rgba(60, 45, 140, .12);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar) + 18px); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.7 var(--sans); }
img, svg { max-width: 100%; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }

/* ---------- top bar ---------- */
.topbar { position: sticky; top: 0; z-index: 40; height: var(--topbar); display: flex; align-items: center; gap: 14px; padding: 0 20px;
  background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.1rem; letter-spacing: .2px; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.brand small { color: var(--muted); font-weight: 500; font-size: .8rem; border: 1px solid var(--border); border-radius: 999px; padding: 1px 8px; }
.spacer { flex: 1; min-width: 0; }
.icon-btn { display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 12px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: 500 .88rem var(--sans); cursor: pointer; text-decoration: none; }
.icon-btn:hover { border-color: var(--accent); }
.icon-btn svg { width: 17px; height: 17px; fill: currentColor; }
.menu-btn { display: none; padding: 0 9px; }
.search { position: relative; width: min(360px, 40vw); min-width: 0; }
.search input { width: 100%; height: 36px; padding: 0 12px 0 34px; border-radius: 9px; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font: .9rem var(--sans); }
.search input::placeholder { color: var(--faint); }
.search svg { position: absolute; left: 10px; top: 9px; width: 17px; height: 17px; fill: none; stroke: var(--faint); stroke-width: 2; }
.results { position: absolute; top: 44px; left: 0; right: 0; max-height: 60vh; overflow: auto; background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow); padding: 6px; }
.results a { display: block; padding: 9px 11px; border-radius: 8px; color: var(--text); text-decoration: none; }
.results a:hover, .results a[aria-selected="true"] { background: var(--surface-2); }
.results b { display: block; font-size: .93rem; }
.results span { display: block; color: var(--muted); font-size: .82rem; line-height: 1.45; }
.results em { color: var(--faint); font-style: normal; font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; }
.results p { margin: 8px 11px; color: var(--muted); font-size: .88rem; }

/* ---------- shell ---------- */
.shell { display: grid; grid-template-columns: var(--sidebar) minmax(0, 1fr) var(--toc); max-width: 1500px; margin: 0 auto; }
.sidebar { position: sticky; top: var(--topbar); height: calc(100vh - var(--topbar)); overflow: auto; padding: 22px 12px 40px 20px; border-right: 1px solid var(--border); }
.sidebar h4 { margin: 20px 0 6px 10px; font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; color: var(--faint); }
.sidebar h4:first-child { margin-top: 0; }
.sidebar a { display: block; padding: 6px 10px; border-radius: 8px; color: var(--muted); text-decoration: none; font-size: .93rem; }
.sidebar a:hover { background: var(--surface); color: var(--text); }
.sidebar a[aria-current="page"] { background: var(--surface-2); color: var(--text); font-weight: 600; box-shadow: inset 3px 0 0 var(--accent); }
.content { min-width: 0; padding: 34px clamp(20px, 4vw, 56px) 70px; }
.toc { position: sticky; top: var(--topbar); height: calc(100vh - var(--topbar)); overflow: auto; padding: 30px 18px 40px 6px; font-size: .85rem; }
.toc h4 { margin: 0 0 8px; font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; color: var(--faint); }
.toc a { display: block; padding: 3px 0 3px 12px; color: var(--muted); text-decoration: none; border-left: 2px solid var(--border); line-height: 1.4; }
.toc a.sub { padding-left: 26px; font-size: .82rem; }
.toc a:hover { color: var(--text); }
.toc a.on { color: var(--text); border-left-color: var(--accent); }

/* ---------- article ---------- */
.doc { max-width: 800px; margin: 0 auto; }
.doc > :first-child { margin-top: 0; }
.eyebrow { color: var(--accent); font-weight: 700; font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; margin: 0 0 8px; }
.doc h1 { font-size: clamp(1.9rem, 4vw, 2.5rem); line-height: 1.2; margin: 0 0 14px; letter-spacing: -.01em; }
.lead { font-size: 1.15rem; color: var(--muted); line-height: 1.65; margin: 0 0 26px; max-width: 70ch; }
.doc h2 { font-size: 1.5rem; margin: 2.6rem 0 .8rem; padding-top: .4rem; border-top: 1px solid var(--border); line-height: 1.3; }
.doc h2:first-of-type { border-top: 0; }
.doc h3 { font-size: 1.15rem; margin: 1.9rem 0 .5rem; line-height: 1.35; }
.doc h4 { font-size: 1rem; margin: 1.4rem 0 .3rem; color: var(--muted); }
.doc p, .doc li { max-width: 74ch; }
.doc ul, .doc ol { padding-left: 1.4rem; }
.doc li { margin: .3rem 0; }
.doc li > ul, .doc li > ol { margin-top: .3rem; }
.doc hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }
.anchor { margin-left: .4rem; color: var(--faint); text-decoration: none; font-weight: 400; opacity: 0; }
h2:hover .anchor, h3:hover .anchor, .anchor:focus { opacity: 1; }
code { font: .88em var(--mono); background: var(--inline-bg); color: var(--text); padding: .12em .42em; border-radius: 6px; }
pre { position: relative; margin: 1.1rem 0; padding: 16px 18px; background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px; overflow: auto;
  font: 13.5px/1.65 var(--mono); color: var(--code-text); tab-size: 4; }
pre code { background: none; padding: 0; border-radius: 0; font: inherit; color: inherit; }
pre[data-label] { padding-top: 38px; }
pre[data-label]::before { content: attr(data-label); position: absolute; top: 11px; left: 18px; color: var(--faint);
  font: 700 .68rem var(--sans); letter-spacing: .08em; text-transform: uppercase; }
.copy { position: absolute; top: 8px; right: 8px; opacity: 0; font: 600 .74rem var(--sans); padding: 4px 9px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--surface); color: var(--muted); cursor: pointer; }
pre:hover .copy, .copy:focus-visible, .copy.done { opacity: 1; }
@media (hover: none) { .copy { opacity: 1; } }
.copy.done { color: var(--green); border-color: var(--green); }
kbd { font: .82em var(--mono); background: var(--surface-2); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 6px; padding: .05em .45em; }
.table-wrap { overflow-x: auto; margin: 1.1rem 0; border: 1px solid var(--border); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: .93rem; }
th, td { padding: 9px 13px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
th { background: var(--surface); color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }
td:first-child { white-space: nowrap; }
.table-wrap.wrap td:first-child { white-space: normal; }

/* ---------- components ---------- */
.callout { margin: 1.3rem 0; padding: 13px 16px 13px 18px; border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: 10px; background: var(--surface); }
.callout > :first-child { margin-top: 0; } .callout > :last-child { margin-bottom: 0; }
.callout > strong:first-child { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; color: var(--accent); margin-bottom: 2px; }
.callout.tip { border-left-color: var(--green); } .callout.tip > strong:first-child { color: var(--green); }
.callout.warn { border-left-color: var(--gold); } .callout.warn > strong:first-child { color: var(--gold); }
.callout.danger { border-left-color: var(--red); } .callout.danger > strong:first-child { color: var(--red); }
.badge { display: inline-block; font: 700 .68rem var(--sans); letter-spacing: .06em; text-transform: uppercase; padding: 2px 8px; border-radius: 999px; border: 1px solid currentColor; vertical-align: middle; }
.badge.read { color: var(--green); } .badge.write { color: var(--gold); } .badge.safe { color: var(--blue); } .badge.auto { color: var(--accent); }
.steps { list-style: none; counter-reset: step; padding: 0; margin: 1.3rem 0; }
.steps > li { counter-increment: step; position: relative; margin: 0 0 1.25rem; padding: 0 0 0 52px; max-width: none; }
.steps > li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink); font-weight: 800; }
.steps > li > strong:first-child { display: block; font-size: 1.05rem; margin-bottom: 2px; }
.steps pre { margin: .6rem 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); gap: 14px; margin: 1.3rem 0; }
.card { display: flex; flex-direction: column; gap: 6px; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text);
  text-decoration: none; transition: transform .15s, border-color .15s, box-shadow .15s; }
a.card:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: var(--shadow); }
.card b { font-size: 1.02rem; } .card span { color: var(--muted); font-size: .92rem; line-height: 1.55; flex: 1; }
.card em { font-style: normal; color: var(--link); font-weight: 600; font-size: .88rem; }
.card .tag { align-self: flex-start; font: 700 .68rem var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.flow { display: flex; align-items: stretch; gap: 10px; margin: 1.6rem 0; flex-wrap: wrap; }
.flow .node { flex: 1 1 150px; padding: 14px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); text-align: center; font-size: .9rem; }
.flow .node b { display: block; margin-bottom: 3px; }
.flow .node small { color: var(--muted); display: block; line-height: 1.4; }
.flow .node.hot { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.flow .node.warn { border-color: var(--gold); }
.flow .arrow { align-self: center; color: var(--accent); font-size: 1.4rem; font-weight: 700; flex: 0 0 auto; }
@media (max-width: 760px) { .flow { flex-direction: column; } .flow .node { flex: 0 0 auto; } .flow .arrow { transform: rotate(90deg); align-self: center; } }
dl.defs { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; margin: 1.1rem 0; }
dl.defs dt { font-weight: 600; } dl.defs dd { margin: 0; color: var(--muted); }
@media (max-width: 640px) { dl.defs { grid-template-columns: 1fr; } dl.defs dd { margin-bottom: 8px; } }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 3.2rem 0 1rem; }
.pager a { display: block; padding: 14px 18px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); text-decoration: none; color: var(--text); }
.pager a:hover { border-color: var(--accent); }
.pager small { display: block; color: var(--faint); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
.pager .next { text-align: right; grid-column: 2; }
.meta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--border); color: var(--faint); font-size: .85rem; }
.meta a { color: var(--muted); }

/* ---------- landing ---------- */
.hero { text-align: center; padding: 38px 0 20px; position: relative; isolation: isolate; overflow-x: clip; }
.hero::before { content: ""; position: absolute; inset: 0 0 auto; height: 340px; background: radial-gradient(closest-side, var(--glow), transparent); z-index: -1; }
.hero img { width: 104px; height: 104px; border-radius: 26px; box-shadow: var(--shadow); }
.hero h1 { font-size: clamp(2.2rem, 6vw, 3.4rem); margin: 18px 0 10px; letter-spacing: -.02em; }
.hero h1 span { background: linear-gradient(90deg, var(--gold), var(--orange)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { margin: 0 auto 22px; max-width: 58ch; color: var(--muted); font-size: 1.15rem; }
.hero .actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px; border-radius: 10px; font-weight: 700; text-decoration: none; border: 1px solid var(--border); color: var(--text); background: var(--surface); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn:hover { filter: brightness(1.1); }
.hero pre { text-align: left; max-width: 560px; margin: 26px auto 0; }

/* ---------- responsive ---------- */
@media (max-width: 1240px) { .shell { grid-template-columns: var(--sidebar) minmax(0, 1fr); } .toc { display: none; } }
@media (max-width: 900px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .menu-btn { display: inline-flex; }
  .sidebar { position: fixed; z-index: 30; top: var(--topbar); left: 0; bottom: 0; width: min(320px, 86vw); height: auto; background: var(--bg);
    transform: translateX(-102%); transition: transform .2s; box-shadow: var(--shadow); }
  body.menu-open .sidebar { transform: none; }
  .search { width: auto; flex: 1; }
  .spacer { display: none; }
  .icon-btn.gh span { display: none; }
  .brand small { display: none; }
}
@media (max-width: 520px) { .brand span { display: none; } .topbar { padding: 0 12px; gap: 8px; } .pager { grid-template-columns: 1fr; } .pager .next { grid-column: 1; } .doc h2 { font-size: 1.3rem; } }
@media print { .topbar, .sidebar, .toc, .pager, .copy, .meta a { display: none !important; } .shell { display: block; } body { background: #fff; color: #000; } }