/* privileged.id: precise, technical, quiet. System fonts only. */
:root {
  --bg: #f5f6fa; --paper: #ffffff; --ink: #0f1424; --ink-2: #2a3147; --muted: #59627a; --rule: #dde1ec; --rule-2: #c9cfde;
  --acc: #4338ca; --acc-2: #5b54e6; --acc-ink: #ffffff; --acc-soft: #eceeff; --acc-line: #b9bcf7;
  --ok: #047857; --ok-soft: #e4f5ee; --warn: #a15c07; --warn-soft: #fdf2e0; --bad: #b42318; --bad-soft: #fdeceb;
  --code-bg: #f1f3f8; --code-ink: #1d2340;
  --p-h: #c2410c; --p-p: #6d28d9; --p-s: #0e7490; --p-x: #4d7c0f; --p-y: #be185d;
  --hero-bg: #0d1020; --hero-ink: #e8eaf6; --hero-muted: #a7aecb;
  --shadow: 0 1px 2px rgba(15, 20, 36, .06), 0 4px 16px rgba(15, 20, 36, .05);
  --r: 12px; --mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0d16; --paper: #111628; --ink: #e7e9f3; --ink-2: #c9cde0; --muted: #98a0ba; --rule: #232a42; --rule-2: #303955;
    --acc: #a5b4fc; --acc-2: #818cf8; --acc-ink: #0b0e19; --acc-soft: #1b2045; --acc-line: #3d4590;
    --ok: #4ade80; --ok-soft: #0f2a1d; --warn: #fbbf24; --warn-soft: #2c230f; --bad: #f87171; --bad-soft: #2f1515;
    --code-bg: #0d1222; --code-ink: #d6daf0;
    --p-h: #fb923c; --p-p: #c4b5fd; --p-s: #5eead4; --p-x: #a3e635; --p-y: #f9a8d4;
    --hero-bg: #070912; --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 20px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0a0d16; --paper: #111628; --ink: #e7e9f3; --ink-2: #c9cde0; --muted: #98a0ba; --rule: #232a42; --rule-2: #303955;
  --acc: #a5b4fc; --acc-2: #818cf8; --acc-ink: #0b0e19; --acc-soft: #1b2045; --acc-line: #3d4590;
  --ok: #4ade80; --ok-soft: #0f2a1d; --warn: #fbbf24; --warn-soft: #2c230f; --bad: #f87171; --bad-soft: #2f1515;
  --code-bg: #0d1222; --code-ink: #d6daf0;
  --p-h: #fb923c; --p-p: #c4b5fd; --p-s: #5eead4; --p-x: #a3e635; --p-y: #f9a8d4;
  --hero-bg: #070912; --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 20px rgba(0, 0, 0, .25);
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 76px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.62 var(--sans); }
a { color: var(--acc); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
img, svg { max-width: 100%; }
code, kbd, pre { font-family: var(--mono); font-size: .88em; }
:not(pre) > code { background: var(--code-bg); color: var(--code-ink); padding: .08em .35em; border-radius: 5px; border: 1px solid var(--rule); overflow-wrap: anywhere; }
h1, h2, h3, h4 { line-height: 1.22; letter-spacing: -.012em; color: var(--ink); }
h1 { font-size: clamp(1.9rem, 1.2rem + 2.6vw, 2.75rem); margin: .2em 0 .35em; letter-spacing: -.022em; }
h2 { font-size: 1.5rem; margin: 2.1em 0 .6em; }
h3 { font-size: 1.16rem; margin: 1.7em 0 .5em; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 2px; border-radius: 4px; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--paper); padding: 8px 12px; z-index: 99; }
.skip:focus { left: 8px; }
.defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.mk { fill: var(--muted); } .mk-acc { fill: var(--acc); } .mk-seq { fill: var(--ink-2); }
.no-js .js-only { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: .86rem; color: var(--muted); }
.kicker { font: 600 .74rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .09em; color: var(--acc); margin: 0; }

/* header */
.top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--rule); }
.bar { display: flex; align-items: center; gap: 18px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none; font: 650 1.08rem/1 var(--mono); letter-spacing: -.02em; }
.brand b, .foot-brand b { color: var(--acc); font-weight: 650; }
.nav { display: flex; gap: 4px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.nav a { color: var(--ink-2); text-decoration: none; font-size: .93rem; padding: 7px 11px; border-radius: 8px; white-space: nowrap; }
.nav a:hover { background: var(--acc-soft); }
.nav a[aria-current] { color: var(--acc); background: var(--acc-soft); font-weight: 600; }
.tools-bar { display: flex; gap: 4px; }
.iconbtn { background: none; border: 1px solid transparent; color: var(--ink-2); width: 38px; height: 38px; border-radius: 9px; display: grid; place-items: center; cursor: pointer; }
.iconbtn:hover { background: var(--acc-soft); color: var(--acc); }
.search-panel { border-top: 1px solid var(--rule); background: var(--paper); padding: 12px 0 16px; }
.search-panel input { width: 100%; font: inherit; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--rule-2); background: var(--bg); color: var(--ink); }
.q-results { list-style: none; margin: 8px 0 0; padding: 0; max-height: 60vh; overflow: auto; }
.q-results a { display: block; padding: 9px 10px; border-radius: 8px; text-decoration: none; color: var(--ink); }
.q-results a:hover, .q-results a:focus { background: var(--acc-soft); }
.q-results small { display: block; color: var(--muted); font-size: .82rem; }
.q-results .k { font: 600 .68rem var(--mono); color: var(--acc); text-transform: uppercase; letter-spacing: .06em; margin-right: 6px; }
@media (max-width: 860px) {
  .bar { flex-wrap: wrap; gap: 6px 10px; min-height: 0; padding-top: 10px; }
  .nav { order: 3; width: 100%; margin: 0; padding-bottom: 8px; gap: 0; justify-content: space-between; }
  .nav a { padding: 6px 6px; font-size: .86rem; }
  .tools-bar { margin-left: auto; }
}

/* buttons, chips */
.btn { display: inline-flex; align-items: center; gap: 6px; font: 600 .93rem/1 var(--sans); padding: 11px 16px; border-radius: 10px; border: 1px solid var(--rule-2); background: var(--paper); color: var(--ink); text-decoration: none; cursor: pointer; }
.btn:hover { border-color: var(--acc); color: var(--acc); }
.btn:disabled { opacity: .4; cursor: default; }
.btn-pri { background: var(--acc); border-color: var(--acc); color: var(--acc-ink); }
.btn-pri:hover { background: var(--acc-2); border-color: var(--acc-2); color: var(--acc-ink); }
.chip { font: 500 .82rem/1 var(--sans); padding: 8px 11px; border-radius: 999px; border: 1px solid var(--rule-2); background: var(--paper); color: var(--ink-2); cursor: pointer; }
.chip:hover { border-color: var(--acc); color: var(--acc); }
.chip-clear { border-style: dashed; }
.linkbtn { background: none; border: 0; padding: 0; font: inherit; color: var(--acc); text-decoration: underline; cursor: pointer; }

/* hero */
.hero { background: var(--hero-bg); color: var(--hero-ink); border-bottom: 1px solid #1d2240; overflow: hidden; position: relative; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 80% at 80% 40%, rgba(99, 102, 241, .28), transparent 70%), radial-gradient(40% 60% at 10% 100%, rgba(14, 116, 144, .22), transparent 70%); pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 32px; align-items: center; padding-top: 56px; padding-bottom: 56px; }
.hero h1 { color: #fff; font-size: clamp(2.1rem, 1.3rem + 3vw, 3.3rem); margin: .25em 0 .4em; }
.hero .kicker { color: #a5b4fc; }
.hero .lede { color: var(--hero-muted); font-size: 1.15rem; max-width: 38em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0; }
.hero .btn { background: transparent; color: #e8eaf6; border-color: #3a4170; }
.hero .btn:hover { border-color: #a5b4fc; color: #fff; }
.hero .btn-pri { background: #6366f1; border-color: #6366f1; color: #fff; }
.hero .btn-pri:hover { background: #818cf8; border-color: #818cf8; }
.hero-facts { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; font-size: .93rem; color: var(--hero-muted); }
.hero-facts strong { color: #fff; font: 650 1rem var(--mono); margin-right: 6px; }
.hero-art { width: 100%; height: auto; display: block; }
.hero-art .hg-l { stroke: rgba(165, 180, 252, .09); }
.hero-art .glow0 { stop-color: rgba(99, 102, 241, .35); } .hero-art .glow1 { stop-color: rgba(99, 102, 241, 0); }
.hero-art .ring { fill: none; stroke: rgba(165, 180, 252, .22); stroke-dasharray: 3 6; }
.hero-art .wire { fill: none; stroke: rgba(165, 180, 252, .55); stroke-width: 1.6; stroke-dasharray: 6 8; animation: flow 2.8s linear infinite; }
.hero-art .wire-out { stroke: rgba(94, 234, 212, .6); }
@keyframes flow { to { stroke-dashoffset: -28; } }
.hero-art .node circle, .hero-art .node rect { fill: #151a33; stroke: #4c55a8; stroke-width: 1.5; }
.hero-art .node-admin circle { stroke: #fb923c; }
.hero-art .node-res rect { stroke: #2b9b8f; }
.hero-art .ic { fill: none; stroke: #c7d2fe; stroke-width: 1.8; stroke-linejoin: round; }
.hero-art .ic-s { fill: none; stroke: #c7d2fe; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.hero-art .nl { fill: #a7aecb; font: 500 13px var(--sans); }
.hero-art .nl-core { fill: #e0e7ff; font-weight: 600; }
.hero-art .core circle:first-child { fill: #4338ca; stroke: #a5b4fc; stroke-width: 2; }
.hero-art .kh { fill: #fff; }
.hero-art .tok rect { fill: #1b1f3b; stroke: #6366f1; }
.hero-art .tok text { fill: #e0e7ff; font: 600 11.5px var(--mono); letter-spacing: .04em; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; padding-top: 36px; padding-bottom: 36px; } .hero-vis { max-width: 460px; } }

/* sections on home */
main.wrap { padding-bottom: 64px; }
.sec-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 24px; margin: 52px 0 18px; }
.sec-head h2 { margin: 0; }
.sec-head p { margin: 0; color: var(--muted); max-width: 46em; }
.tool-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr); grid-template-rows: auto auto; gap: 16px; }
.tool-card { display: flex; flex-direction: column; gap: 8px; padding: 20px; border-radius: var(--r); background: var(--paper); border: 1px solid var(--rule); text-decoration: none; color: var(--ink); box-shadow: var(--shadow); transition: border-color .15s, transform .15s; min-width: 0; }
.tool-card:hover { border-color: var(--acc-line); transform: translateY(-2px); }
.tool-main { grid-row: span 2; background: linear-gradient(160deg, var(--acc-soft), var(--paper) 60%); }
.tok-demo { font: .78rem/1.5 var(--mono); word-break: break-all; padding: 12px; background: var(--code-bg); border-radius: 9px; border: 1px solid var(--rule); margin-top: auto; }
.p-h { color: var(--p-h); } .p-p { color: var(--p-p); } .p-s { color: var(--p-s); } .p-x { color: var(--p-x); } .p-y { color: var(--p-y); }
@media (max-width: 960px) { .tool-grid { grid-template-columns: 1fr 1fr; } .tool-main { grid-row: auto; grid-column: 1 / -1; } }
@media (max-width: 560px) { .tool-grid { grid-template-columns: 1fr; } }

.cards { display: grid; gap: 16px; }
.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cards-flex { display: flex; flex-wrap: wrap; justify-content: center; }
.cards-flex > .card { flex: 0 1 calc((100% - 32px) / 3); }
@media (max-width: 1060px) { .cards-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) { .cards-3 { grid-template-columns: 1fr; } .cards-flex > .card { flex-basis: calc((100% - 16px) / 2); } }
@media (max-width: 560px) { .cards-4 { grid-template-columns: 1fr; } .cards-flex > .card { flex-basis: 100%; } }
.card { display: flex; flex-direction: column; gap: 7px; padding: 18px 18px 16px; border-radius: var(--r); background: var(--paper); border: 1px solid var(--rule); text-decoration: none; color: var(--ink); box-shadow: var(--shadow); transition: border-color .15s, transform .15s; min-width: 0; }
.card:hover { border-color: var(--acc-line); transform: translateY(-2px); }
.card-k { font: 600 .7rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--acc); }
.card-t { font-weight: 650; font-size: 1.08rem; line-height: 1.3; }
.card-d { color: var(--muted); font-size: .92rem; line-height: 1.5; }
.card-go { margin-top: auto; padding-top: 6px; font-size: .85rem; font-weight: 600; color: var(--acc); }
.card-go span { display: inline-block; transition: transform .15s; }
.card:hover .card-go span, .tool-card:hover .card-go span { transform: translateX(3px); }

.home-index { display: grid; gap: 18px; margin-top: 56px; }
.idx { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 12px 32px; padding: 24px; border-radius: var(--r); background: var(--paper); border: 1px solid var(--rule); }
.idx-head h2 { margin: 0 0 .4em; font-size: 1.35rem; }
.idx-head h2 a { color: var(--ink); text-decoration: none; }
.idx-head h2 a:hover { color: var(--acc); }
.idx-head p { margin: 0; color: var(--muted); font-size: .95rem; }
.idx-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 2px 18px; align-content: start; }
.idx-list a { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--rule); text-decoration: none; color: var(--ink); font-size: .95rem; }
.idx-list a:hover span { color: var(--acc); }
.idx-list small { color: var(--muted); font: .7rem var(--mono); text-transform: uppercase; letter-spacing: .05em; white-space: nowrap; align-self: center; }
@media (max-width: 860px) { .idx { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .idx-list { grid-template-columns: 1fr; } .idx-list small { display: none; } }
.trust { margin-top: 56px; }
.trust-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.trust-grid > div { padding: 20px; border-top: 3px solid var(--acc); background: var(--paper); border-radius: 0 0 var(--r) var(--r); }
.trust-grid h3 { margin-top: 0; }
.trust-grid p { margin: 0; color: var(--ink-2); font-size: .95rem; }
@media (max-width: 860px) { .trust-grid { grid-template-columns: 1fr; } }

/* breadcrumbs, hub */
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; padding: 0; margin: 22px 0 0; font-size: .85rem; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin-right: 4px; color: var(--rule-2); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--acc); }
.hub-head { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 24px; align-items: center; margin: 18px 0 30px; }
.hub-head .lede { max-width: 44em; }
.hub-art { width: 220px; height: auto; }
.hub-art .ha-ring { fill: none; stroke: var(--acc-line); stroke-width: 1.5; stroke-dasharray: 4 5; }
.hub-art .ha-core { fill: var(--acc-soft); stroke: var(--acc); stroke-width: 1.5; }
.hub-art .ha-kh { fill: var(--acc); }
.hub-art .ha-dot { fill: var(--acc); } .hub-art .ha-dot-off { fill: var(--rule-2); }
.hub-art .ha-t { fill: var(--muted); font: 600 11px var(--mono); }
.hub-art .ha-tt { fill: var(--acc); }
.hub-art .ha-line { fill: none; stroke: var(--acc); stroke-width: 1.6; stroke-linecap: round; }
.hub-art .ha-ok { fill: var(--ok-soft); stroke: var(--ok); stroke-width: 1.5; }
.hub-art .ha-tick { fill: none; stroke: var(--acc); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.hub-art .ha-ok + .ha-tick { stroke: var(--ok); }
.hub-art .ha-tok { fill: var(--paper); stroke: var(--acc); } .hub-art .ha-tok2 { stroke: var(--p-p); } .hub-art .ha-tok3 { stroke: var(--p-s); }
@media (max-width: 700px) { .hub-head { grid-template-columns: 1fr; } .hub-art { display: none; } }

/* article */
.art { margin-top: 10px; }
.art-head { max-width: 50rem; margin-bottom: 24px; }
.lede { font-size: 1.16rem; color: var(--ink-2); margin: 0 0 14px; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .85rem; color: var(--muted); margin: 0; }
.meta .rev { font-family: var(--mono); font-size: .8rem; }
.meta .local { color: var(--ok); font-weight: 600; display: inline-flex; gap: 6px; align-items: center; }
.has-toc { display: grid; grid-template-columns: minmax(0, 1fr) 250px; grid-template-areas: "head head" "prose toc"; column-gap: 48px; }
.has-toc .art-head { grid-area: head; }
.has-toc .prose { grid-area: prose; }
.has-toc .toc { grid-area: toc; align-self: start; position: sticky; top: 84px; }
.toc { font-size: .88rem; }
.toc summary { font: 600 .72rem var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); cursor: pointer; margin-bottom: 8px; }
.toc ol { list-style: none; margin: 0; padding: 0 0 0 12px; border-left: 2px solid var(--rule); }
.toc li { margin: 0 0 7px; }
.toc a { color: var(--ink-2); text-decoration: none; }
.toc a:hover, .toc a.on { color: var(--acc); }
@media (max-width: 1020px) {
  .has-toc { display: block; }
  .toc { position: static; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r); padding: 12px 16px; margin-bottom: 24px; }
  .toc summary { margin: 0; }
  .toc ol { margin-top: 10px; }
}
.prose { max-width: 46rem; min-width: 0; }
.tool-page .prose { max-width: 50rem; }
.prose p, .prose li { color: var(--ink-2); }
.prose > ul, .prose > ol { padding-left: 1.3em; }
.prose li { margin: .3em 0; }
.prose h2 { padding-top: 6px; }
.prose h2:first-child { margin-top: .6em; }
.prose strong { color: var(--ink); }
.prose img { border-radius: 10px; }
blockquote.spec { margin: 22px 0; padding: 14px 18px 12px; border-left: 3px solid var(--acc); background: var(--acc-soft); border-radius: 0 10px 10px 0; }
blockquote.spec p { margin: 0 0 6px; color: var(--ink); font-family: var(--mono); font-size: .88rem; line-height: 1.6; }
blockquote.spec footer { font-size: .8rem; color: var(--muted); }
.callout { margin: 22px 0; padding: 14px 18px; border-radius: 10px; background: var(--paper); border: 1px solid var(--rule); border-left: 4px solid var(--muted); }
.callout p { margin: .3em 0; }
.callout.warn { border-left-color: var(--warn); background: var(--warn-soft); }
.callout.key { border-left-color: var(--acc); background: var(--acc-soft); }
.callout-t { font-weight: 700; color: var(--ink) !important; }
.tbl-wrap { overflow-x: auto; margin: 20px 0; border: 1px solid var(--rule); border-radius: 10px; background: var(--paper); }
.tbl { border-collapse: collapse; width: 100%; font-size: .9rem; }
.tbl th, .tbl td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--rule); }
.tbl thead th { font: 600 .74rem var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); background: var(--code-bg); }
.tbl tbody tr:last-child > * { border-bottom: 0; }
.tbl td.ok { color: var(--ok); font-weight: 600; } .tbl td.bad { color: var(--bad); font-weight: 700; }
pre.code { background: var(--code-bg); color: var(--code-ink); border: 1px solid var(--rule); border-radius: 10px; padding: 14px 16px; overflow-x: auto; line-height: 1.55; font-size: .84rem; margin: 18px 0; }
pre.code code { font-size: inherit; background: none; border: 0; padding: 0; }
ol.steps { counter-reset: s; list-style: none; padding-left: 0; }
ol.steps > li { counter-increment: s; position: relative; padding-left: 42px; margin: 14px 0; }
ol.steps > li::before { content: counter(s); position: absolute; left: 0; top: .05em; width: 28px; height: 28px; border-radius: 50%; background: var(--acc-soft); color: var(--acc); font: 700 .82rem/28px var(--mono); text-align: center; border: 1px solid var(--acc-line); }
ul.check { list-style: none; padding-left: 0; }
ul.check > li { position: relative; padding-left: 30px; margin: 10px 0; }
ul.check > li::before { content: ""; position: absolute; left: 2px; top: .38em; width: 16px; height: 16px; border-radius: 4px; border: 1.5px solid var(--acc); background: var(--acc-soft); }
ul.check > li::after { content: ""; position: absolute; left: 7px; top: .55em; width: 5px; height: 9px; border: solid var(--acc); border-width: 0 2px 2px 0; transform: rotate(45deg); }
dl.defs dt { font-weight: 700; margin-top: 14px; color: var(--ink); }
dl.defs dd { margin: 4px 0 0 0; color: var(--ink-2); }
.req { display: inline-block; font: 700 .68rem/1 var(--mono); letter-spacing: .04em; padding: 4px 6px; border-radius: 5px; vertical-align: .12em; white-space: nowrap; }
.req-must { background: var(--bad-soft); color: var(--bad); border: 1px solid color-mix(in srgb, var(--bad) 35%, transparent); }
.req-should { background: var(--warn-soft); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent); }
.req-may { background: var(--ok-soft); color: var(--ok); border: 1px solid color-mix(in srgb, var(--ok) 35%, transparent); }
.tag { font-family: var(--mono); font-size: .88em; font-weight: 600; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.two > div { min-width: 0; }
@media (max-width: 640px) { .two { grid-template-columns: 1fr; } }

/* figures (writer diagrams use these classes) */
figure.fig { margin: 26px 0; padding: 16px; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r); overflow-x: auto; }
figure.fig svg { display: block; width: 100%; height: auto; min-width: 520px; margin: 0 auto; }
figure.fig figcaption { font-size: .85rem; color: var(--muted); margin-top: 10px; }
.fig .n { fill: var(--paper); stroke: var(--rule-2); stroke-width: 1.5; }
.fig .n-acc { fill: var(--acc-soft); stroke: var(--acc); stroke-width: 1.5; }
.fig .n-warn { fill: var(--warn-soft); stroke: var(--warn); stroke-width: 1.5; }
.fig .n-ok { fill: var(--ok-soft); stroke: var(--ok); stroke-width: 1.5; }
.fig .n-bad { fill: var(--bad-soft); stroke: var(--bad); stroke-width: 1.5; }
.fig .t { fill: var(--ink); font-family: var(--sans); }
.fig .t-m { fill: var(--muted); font-family: var(--sans); }
.fig .t-acc { fill: var(--acc); font-family: var(--sans); font-weight: 600; }
.fig .t-mono { fill: var(--ink-2); font-family: var(--mono); }
.fig .ln { stroke: var(--muted); stroke-width: 1.5; fill: none; }
.fig .ln-acc { stroke: var(--acc); stroke-width: 1.8; fill: none; }
.fig .ln-dash { stroke: var(--muted); stroke-width: 1.4; stroke-dasharray: 5 5; fill: none; }
.fig .acc { fill: var(--acc); } .fig .accent { fill: var(--acc); } .fig .accent-soft { fill: var(--acc-soft); } .fig .paper { fill: var(--paper); }
.fig .ink { fill: var(--ink); } .fig .muted { fill: var(--muted); } .fig .line { stroke: var(--rule-2); fill: none; }

/* sources, disclaimer, related */
.src-h { margin-top: 2.6em; }
ol.sources { font-size: .9rem; padding-left: 1.4em; }
ol.sources li { margin: 6px 0; color: var(--ink-2); }
.lic { color: var(--muted); font-size: .85em; }
.srclist { font-size: .92rem; } .srclist li { margin: 8px 0; }
.disclaimer { margin-top: 30px; padding: 14px 16px; border-radius: 10px; background: var(--code-bg); font-size: .88rem; }
.disclaimer p { margin: 0; color: var(--muted); }
.related { margin-top: 56px; }
.related h2 { font-size: 1.2rem; }
.plain-list { font-size: 1.05rem; }
.narrow { max-width: 42rem; }

/* footer */
.foot { border-top: 1px solid var(--rule); background: var(--paper); padding: 36px 0 28px; font-size: .88rem; color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: 1.1fr 1.3fr 1fr; gap: 28px; }
.foot-brand { display: flex; align-items: center; gap: 8px; font: 650 1rem var(--mono); color: var(--ink); margin-top: 0; }
.foot-h { font: 600 .72rem var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-2); margin-top: 0; }
.foot a { color: var(--ink-2); }
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr; gap: 6px; } }

/* glossary */
.gloss-tools input { width: 100%; max-width: 420px; font: inherit; padding: 10px 14px; border: 1px solid var(--rule-2); border-radius: 10px; background: var(--paper); color: var(--ink); }
.az { display: flex; flex-wrap: wrap; gap: 4px; margin: 16px 0 10px; }
.az a { font: 600 .85rem var(--mono); width: 32px; height: 32px; display: grid; place-items: center; border-radius: 8px; background: var(--paper); border: 1px solid var(--rule); text-decoration: none; }
.gloss { margin: 0; max-width: 52rem; }
.gl-letter { font: 700 1.3rem var(--mono); color: var(--acc); margin: 28px 0 6px; padding-bottom: 4px; border-bottom: 1px solid var(--rule); }
.gl-item { padding: 12px 0; border-bottom: 1px dashed var(--rule); }
.gl-item:target { background: var(--acc-soft); border-radius: 8px; padding-left: 10px; padding-right: 10px; }
.gl-item dt { font-weight: 700; }
.gl-item dd { margin: 4px 0 0; color: var(--ink-2); }
.gl-see { font-size: .88rem; font-weight: 600; white-space: nowrap; }

/* tools: shared */
.tool { background: var(--paper); border: 1px solid var(--rule); border-radius: 16px; padding: 20px; box-shadow: var(--shadow); margin: 8px 0 28px; min-width: 0; }
.tool-in { display: grid; gap: 12px; }
.field label { display: block; font: 600 .74rem var(--mono); text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin-bottom: 6px; }
.tool textarea, .tool input[type=text], .tool input[type=number], .tool select, .len-box input {
  width: 100%; font: .9rem/1.5 var(--mono); padding: 11px 13px; border-radius: 10px; border: 1px solid var(--rule-2); background: var(--bg); color: var(--ink); }
.tool textarea { resize: vertical; word-break: break-all; }
.tool textarea:focus, .tool input:focus, .tool select:focus, .len-box input:focus { outline: 2px solid var(--acc); outline-offset: 0; border-color: transparent; }
.examples, .presets { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.ex-l { font-size: .82rem; color: var(--muted); margin-right: 2px; }
.tool-out { margin-top: 16px; min-width: 0; }
.tool-out h3 { display: flex; align-items: center; gap: 8px; font-size: 1rem; margin: 22px 0 8px; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; background: currentColor; }
.tok { font: .86rem/1.6 var(--mono); word-break: break-all; padding: 12px 14px; background: var(--code-bg); border: 1px solid var(--rule); border-radius: 10px; margin: 0; }
.tok .dot { color: var(--ink); font-weight: 700; }
.static-tok { margin: 14px 0; }
.findings { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.findings li { padding: 9px 12px 9px 12px; border-radius: 9px; font-size: .9rem; border: 1px solid var(--rule); background: var(--bg); color: var(--ink-2); }
.findings .lvl { font: 700 .66rem/1 var(--mono); text-transform: uppercase; letter-spacing: .05em; padding: 4px 6px; border-radius: 5px; margin-right: 6px; vertical-align: .12em; }
.f-bad { border-color: color-mix(in srgb, var(--bad) 40%, transparent) !important; background: var(--bad-soft) !important; } .f-bad .lvl { background: var(--bad); color: var(--paper); }
.f-warn { border-color: color-mix(in srgb, var(--warn) 40%, transparent) !important; background: var(--warn-soft) !important; } .f-warn .lvl { background: var(--warn); color: var(--paper); }
.f-info .lvl { background: var(--acc-soft); color: var(--acc); }
.f-ok { border-color: color-mix(in srgb, var(--ok) 40%, transparent) !important; background: var(--ok-soft) !important; } .f-ok .lvl { background: var(--ok); color: var(--paper); }
.findings a { font-size: .82rem; white-space: nowrap; }
.kv th { width: 30%; white-space: nowrap; }
.kv th code { font-weight: 600; }
.kv td { min-width: 0; }
@media (max-width: 560px) { .kv tr, .kv th, .kv td { display: block; width: auto; } .kv th { border-bottom: 0; padding-bottom: 0; } }
code.val { display: inline; background: none !important; border: 0 !important; padding: 0 !important; color: var(--ink) !important; overflow-wrap: anywhere; white-space: pre-wrap; }
.kv .when { display: block; font: .78rem var(--mono); color: var(--acc); margin-top: 2px; }
.kv .doc { margin: 4px 0 0; color: var(--muted); font-size: .82rem; }
.verify { border: 1px dashed var(--rule-2); border-radius: 10px; padding: 10px 14px; }
.verify summary { cursor: pointer; font-weight: 600; font-size: .93rem; }
.verify .row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 10px; }
.verify .row select { width: auto; }
.vres { margin: 10px 0 0; font-size: .92rem; }
.vres.v-ok { color: var(--ok); font-weight: 600; } .vres.v-bad { color: var(--bad); font-weight: 600; }
.vres .note { color: var(--muted); font-weight: 400; font-size: .86rem; }
.decode-steps { margin: 0 0 6px; padding-left: 1.2em; font-size: .85rem; color: var(--muted); }
.binding { font-size: .9rem; }
.sigs { font-size: .88rem; padding-left: 1.2em; }
pre.code.xml { max-height: 520px; }

/* flow visualiser */
.flow-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.tab { font: 600 .9rem var(--sans); padding: 9px 14px; border-radius: 10px; border: 1px solid var(--rule-2); background: var(--bg); color: var(--ink-2); cursor: pointer; }
.tab[aria-selected="true"] { background: var(--acc); border-color: var(--acc); color: var(--acc-ink); }
.flow-use { margin: 0 0 12px; color: var(--muted); font-size: .92rem; }
.flow-stage { display: grid; gap: 18px; }
.flow-figs, .flow-side { min-width: 0; }
.flow-tool.live .flow-stage { grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); align-items: start; }
.flow-tool.live .flow-cap { display: none; }
.flow-fig { margin: 0 0 18px; }
.flow-tool.live .flow-fig { margin: 0; }
.flow-cap { font-size: .9rem; color: var(--muted); margin-bottom: 8px; }
.scroll-x { overflow-x: auto; }
svg.seq { display: block; width: 100%; min-width: 540px; height: auto; }
.seq .life { stroke: var(--rule-2); stroke-dasharray: 3 5; }
.seq .lane { fill: var(--bg); stroke: var(--rule-2); stroke-width: 1.4; }
.seq .lane1 { fill: var(--acc-soft); stroke: var(--acc-line); }
.seq .lane-t { fill: var(--ink); font: 650 14px var(--sans); }
.seq .lane-sub { fill: var(--muted); font-weight: 500; font-size: 12px; }
.seq .st { cursor: pointer; }
.seq .st-bg { fill: transparent; }
.seq .st:hover .st-bg { fill: var(--acc-soft); }
.seq .arr { stroke: var(--ink-2); stroke-width: 1.7; fill: none; }
.seq .badge { fill: var(--paper); stroke: var(--ink-2); stroke-width: 1.5; }
.seq .badge-t { fill: var(--ink); font: 700 11.5px var(--mono); }
.seq .st-t { fill: var(--ink); font: 500 14.5px var(--sans); paint-order: stroke; stroke: var(--paper); stroke-width: 4px; stroke-linejoin: round; }
.flow-tool.live .seq .future { opacity: .32; }
.flow-tool.live .seq .on .st-bg { fill: var(--acc-soft); }
.flow-tool.live .seq .on .arr { stroke: var(--acc); stroke-width: 2.4; }
.flow-tool.live .seq .on .badge { fill: var(--acc); stroke: var(--acc); }
.flow-tool.live .seq .on .badge-t { fill: var(--acc-ink); }
.flow-tool.live .seq .on .st-t { fill: var(--acc); font-weight: 700; }
.flow-tool.live .seq .on.draw .arr { stroke-dasharray: 400; stroke-dashoffset: 400; animation: draw .7s ease-out forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.flow-tool .seq .on .arr { marker-end: url(#ah-acc); }
.flow-ctl { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.flow-count { font: .85rem var(--mono); color: var(--muted); margin-left: 4px; }
.flow-step { margin-top: 12px; }
.flow-step h3 { margin: 4px 0 8px; font-size: 1.1rem; }
.flow-step pre.code { font-size: .78rem; max-height: 340px; }
.flow-step p { font-size: .93rem; color: var(--ink-2); }
.step-dir { font: 600 .74rem var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 0; display: flex; align-items: center; gap: 8px; }
.step-dir .num { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--acc); color: var(--acc-ink); }
.flow-vals code.val { font-size: .78rem; }
.flow-list > li { margin-bottom: 18px; }
@media (max-width: 960px) { .flow-tool.live .flow-stage { grid-template-columns: 1fr; } }

/* password policy */
.pw-form { columns: 2; column-gap: 14px; }
.pw-form .presets { column-span: all; margin-bottom: 14px; }
.pw-grp { border: 1px solid var(--rule); border-radius: 12px; padding: 10px 14px 6px; margin: 0 0 14px; min-width: 0; break-inside: avoid; }
.pw-grp legend { font: 600 .74rem var(--mono); text-transform: uppercase; letter-spacing: .07em; color: var(--acc); padding: 0 6px; }
.pw-q { display: grid; grid-template-columns: minmax(0, 1fr) 132px; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px dashed var(--rule); }
.pw-q:last-child { border-bottom: 0; }
.pw-ql { font-size: .9rem; color: var(--ink-2); }
.pw-q select, .pw-q input { padding: 8px 10px; font-size: .88rem; }
.pw-q .seg { display: flex; flex-direction: column; gap: 4px; font-size: .86rem; grid-column: 1 / -1; }
.pw-q .seg label { display: flex; gap: 6px; align-items: center; }
.pw-res { margin-top: 18px; }
.pw-sum { padding: 14px 16px; border-radius: 10px; margin: 0 0 12px; border: 1px solid var(--rule); }
.s-bad { background: var(--bad-soft); border-color: color-mix(in srgb, var(--bad) 40%, transparent); }
.s-warn { background: var(--warn-soft); } .s-ok { background: var(--ok-soft); } .s-unk { background: var(--acc-soft); }
.pw-out { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.pw-out li { padding: 10px 12px; border-radius: 9px; border: 1px solid var(--rule); font-size: .9rem; color: var(--ink-2); }
.pw-out .st { font: 700 .66rem/1 var(--mono); text-transform: uppercase; padding: 4px 6px; border-radius: 5px; margin-right: 4px; vertical-align: .12em; }
.r-fail { background: var(--bad-soft); } .r-fail .st { background: var(--bad); color: var(--paper); }
.r-warn { background: var(--warn-soft); } .r-warn .st { background: var(--warn); color: var(--paper); }
.r-pass .st { background: var(--ok); color: var(--paper); }
.r-unknown .st { background: var(--acc-soft); color: var(--acc); }
.r-na { opacity: .6; } .r-na .st { background: var(--rule); color: var(--muted); }
.pw-out .sec { font: .76rem var(--mono); color: var(--muted); white-space: nowrap; }
.pw-out .detail { color: var(--ink); font-size: .86rem; }
.len-box { margin: 12px 0; }
@media (max-width: 860px) { .pw-form { columns: 1; } }
@media (max-width: 420px) { .pw-q { grid-template-columns: 1fr; gap: 6px; } }

/* checklist */
.lp-envs { border: 1px solid var(--rule); border-radius: 12px; padding: 10px 14px; margin: 0 0 14px; }
.lp-envs legend { font: 600 .74rem var(--mono); text-transform: uppercase; letter-spacing: .07em; color: var(--acc); padding: 0 6px; }
.lp-envs p { margin: 0 0 8px; }
.lp-env-list { display: flex; flex-wrap: wrap; gap: 8px; }
.lp-env { display: inline-flex; align-items: center; gap: 6px; font-size: .88rem; padding: 7px 11px; border-radius: 999px; border: 1px solid var(--rule-2); background: var(--bg); cursor: pointer; }
.lp-env:has(input:checked) { border-color: var(--acc); background: var(--acc-soft); color: var(--acc); }
.lp-progress { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: 6px 0 4px; position: sticky; top: 64px; background: var(--paper); padding: 10px 0; z-index: 2; }
.lp-bar { flex: 1 1 200px; height: 10px; border-radius: 99px; background: var(--rule); overflow: hidden; }
.lp-bar span { display: block; height: 100%; width: 0; background: var(--acc); transition: width .3s; }
.lp-count { font: .85rem var(--mono); color: var(--muted); }
.lp-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.lp-group h3 { display: flex; align-items: center; gap: 10px; margin: 22px 0 8px; }
.lp-n { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 8px; background: var(--acc-soft); color: var(--acc); font: 700 .8rem var(--mono); }
.lp-items { list-style: none; margin: 0; padding: 0; }
.lp-items li { padding: 10px 0; border-bottom: 1px dashed var(--rule); }
.lp-items label { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; color: var(--ink); font-size: .95rem; }
.lp-items input { margin-top: .3em; width: 17px; height: 17px; accent-color: var(--acc); flex: none; }
.no-js .lp-items input { display: none; }
.lp-items li:has(input:checked) .lp-text { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--rule-2); }
.lp-meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0 0 27px; }
.lp-ref { font: 600 .72rem var(--mono); color: var(--acc); background: var(--acc-soft); padding: 3px 7px; border-radius: 5px; }
.lp-practice { color: var(--warn); background: var(--warn-soft); }
.lp-tag { font-size: .72rem; color: var(--muted); border: 1px solid var(--rule); padding: 2px 7px; border-radius: 5px; }
.no-js .lp-meta { margin-left: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}
@media print { .top, .foot, .related, .toc, .js-only { display: none !important; } body { background: #fff; } }