/* PassNav Knowledge Hub — shared styles for generated pages (scripts/learn/build.py).
   Same tokens as site/index.html (which keeps its own inline CSS on purpose). */
:root{
  color-scheme:light;
  --navy:#12263a; --navy2:#1d3a57; --green:#0e7a4d; --green2:#0a6340; --mint:#5fd39a;
  --bg:#f7f9fb; --card:#fff; --ink:#22303c; --muted:#5b6b7a; --line:#e3e9ef; --gold:#b98900; --tint:#f0faf5;
  --amber-bg:#fff8e6; --amber-line:#f0d58a;
  --shadow:0 1px 2px rgba(18,38,58,.05),0 4px 14px rgba(18,38,58,.06);
  --radius:14px; --header-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} }
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--green2)}
:focus-visible{outline:3px solid #f2b600;outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:#fff;color:var(--navy);padding:8px 14px;border-radius:8px;font-weight:700}
.skip:focus{left:12px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
[id]{scroll-margin-top:calc(var(--header-h) + 14px)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.4) blur(8px)}
.site-header .wrap{display:flex;align-items:center;gap:20px;height:var(--header-h)}
.brand img{height:40px;width:auto;display:block}
.nav{display:flex;gap:20px;margin-left:auto;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.93rem}
.nav a:hover,.nav a[aria-current="page"]{color:var(--green2)}
.nav a.btn{color:#fff}
@media (max-width:860px){ .nav a:not(.btn):not(.keep){display:none} }
@media (max-width:420px){ .nav a.keep{display:none} }

.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--green);color:#fff;text-decoration:none;font-weight:700;padding:12px 22px;border-radius:10px;line-height:1.2}
.btn:hover{background:var(--green2)}
.btn.small{padding:8px 14px;font-size:.9rem;border-radius:8px}
.btn.ghost{background:#fff;color:var(--green2);border:2px solid var(--green)}

/* page hero */
.page-hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 100%);color:#fff;padding:34px 0 32px}
.page-hero h1{font-size:clamp(1.6rem,4.2vw,2.4rem);line-height:1.2;letter-spacing:-.01em;max-width:820px}
.page-hero p.dek{color:#c9d6e2;max-width:720px;margin-top:10px;font-size:1.05rem}
.crumbs{font-size:.85rem;color:#a9bccd;margin-bottom:12px}
.crumbs a{color:#d7e3ee;text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.meta-line{margin-top:14px;font-size:.85rem;color:#b9c8d6;display:flex;flex-wrap:wrap;gap:6px 18px}
.meta-line strong{color:#fff;font-weight:600}

/* article layout */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:40px;padding-top:36px;padding-bottom:56px;align-items:start}
@media (max-width:960px){ .layout{grid-template-columns:minmax(0,1fr);gap:24px} }
.side{position:sticky;top:calc(var(--header-h) + 16px)}
@media (max-width:960px){ .side{display:none} }
.toc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:.9rem}
.toc h2{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.toc ol{list-style:none}
.toc li{margin:5px 0}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--green2);text-decoration:underline}

.prose{max-width:760px}
.prose > * + *{margin-top:1em}
.prose h2{font-size:1.45rem;color:var(--navy);line-height:1.3;margin-top:1.8em;letter-spacing:-.01em}
.prose h3{font-size:1.12rem;color:var(--navy);margin-top:1.4em}
.prose ul,.prose ol{padding-left:1.4em}
.prose li + li{margin-top:.35em}
.prose table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:.94rem}
.prose th,.prose td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{background:#f1f5f9;color:var(--navy);font-weight:700}
.prose tr:last-child td{border-bottom:none}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.prose blockquote{border-left:4px solid var(--line);padding:4px 0 4px 16px;color:var(--muted)}
sup.cite{font-size:.72em;line-height:0;margin-left:1px}
sup.cite a{text-decoration:none;font-weight:700}
.summary{background:var(--tint);border:1px solid #cfe9dc;border-radius:var(--radius);padding:18px 20px}
.summary h2{font-size:.8rem!important;letter-spacing:.08em;text-transform:uppercase;color:var(--green2)!important;margin:0 0 8px!important}
.summary ul{padding-left:1.2em}
aside.tip{background:var(--amber-bg);border:1px solid var(--amber-line);border-radius:12px;padding:14px 18px}
aside.tip .tip-label{display:block;font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#8a6500;margin-bottom:4px}
aside.tip p{margin:0}

.cta-box{background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 100%);color:#fff;border-radius:var(--radius);padding:22px 24px;margin-top:2em}
.cta-box h2{color:#fff!important;font-size:1.15rem!important;margin:0 0 6px!important}
.cta-box p{color:#c9d6e2;margin:0 0 14px}
.sources{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin-top:2em;font-size:.92rem}
.sources h2{font-size:1.05rem!important;margin:0 0 8px!important}
.sources ol{padding-left:1.4em}
.sources li{margin:6px 0;word-break:break-word}
.sources .src-meta{color:var(--muted);font-size:.85rem}
.page-note{font-size:.84rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:2em}
.related{margin-top:2em}
.related h2{font-size:1.05rem!important}

/* hub cards */
.section-block{padding:40px 0}
.section-block h2{font-size:1.4rem;color:var(--navy);margin-bottom:6px}
.section-block .lead{color:var(--muted);margin-bottom:18px;max-width:720px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.cards a.card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:border-color .15s ease}
.cards a.card:hover{border-color:var(--green)}
.card .kicker{display:block;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--green);margin-bottom:4px}
.card h3{font-size:1.05rem;color:var(--navy);line-height:1.35;margin-bottom:6px}
.card p{color:var(--muted);font-size:.92rem}

/* data */
figure.chart{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 16px 10px;margin:1.4em 0}
figure.chart svg{width:100%;height:auto;display:block}
figure.chart figcaption{font-size:.85rem;color:var(--muted);margin-top:8px}
figure.chart details{margin-top:8px;font-size:.88rem}
figure.chart details summary{cursor:pointer;color:var(--green2);font-weight:600}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin:1.2em 0}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat .k{display:block;font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.stat .v{display:block;font-size:1.7rem;font-weight:800;color:var(--navy);line-height:1.2}
.stat .s{display:block;font-size:.82rem;color:var(--muted)}
.data-note{background:#f1f5f9;border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-size:.86rem;color:var(--muted)}
.filter{width:100%;max-width:420px;padding:12px 14px;border:1px solid #c7d2dc;border-radius:10px;font-size:1rem;margin:6px 0 14px}
td.num,th.num{text-align:right!important;font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.tag{display:inline-block;border:1.5px solid var(--gold);color:var(--gold);background:#fff;font-size:.68rem;font-weight:700;letter-spacing:.04em;padding:1px 8px;border-radius:999px;white-space:nowrap}

/* footer */
footer{background:#0d1c2b;color:#a9bccd;padding:34px 0 26px;font-size:.88rem;margin-top:0}
footer a{color:#d7e3ee}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:26px;margin-bottom:20px}
@media (max-width:860px){ .foot-grid{grid-template-columns:1fr 1fr} }
@media (max-width:520px){ .foot-grid{grid-template-columns:1fr} }
.foot-grid h4{color:#fff;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.foot-grid ul{list-style:none}
.foot-grid li{margin:4px 0}
.foot-logo{background:#fff;border-radius:10px;padding:6px 10px;display:inline-block;margin-bottom:10px}
.foot-logo img{height:30px;width:auto;display:block}
.foot-base{border-top:1px solid #23384d;padding-top:14px;display:grid;gap:4px}
.foot-base .ogl{font-size:.8rem;color:#8ea3b7}

/* hub landing: search, type nav, highlights, chips (Phase 2, 2026-10-14) */
.section-block.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hub-hero{padding-bottom:26px}
.search{margin-top:20px;max-width:640px;position:relative}
.search label{display:block;font-size:.85rem;color:#c9d6e2;margin-bottom:6px}
.search input{width:100%;padding:14px 16px;border-radius:12px;border:0;font-size:1.05rem;color:var(--ink);box-shadow:0 6px 18px rgba(0,0,0,.25)}
.search-status{font-size:.82rem;color:#b9c8d6;margin-top:6px;min-height:1.2em}
.search-results{list-style:none;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 10px 26px rgba(0,0,0,.25)}
.search-results:empty{display:none}
.search-results li + li{border-top:1px solid var(--line)}
.search-results a{display:block;padding:10px 16px;text-decoration:none;color:var(--ink)}
.search-results a:hover,.search-results a:focus{background:var(--tint)}
.search-results .kicker{display:block;font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--green)}
.search-results strong{display:block;color:var(--navy)}
.search-results .muted{display:block;font-size:.84rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.type-nav{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.type-nav a{color:#fff;text-decoration:none;font-weight:600;font-size:.9rem;border:1.5px solid #56708a;border-radius:999px;padding:6px 14px}
.type-nav a:hover{border-color:var(--mint);color:var(--mint)}
.hl-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.cards a.card.hl{border-top:4px solid var(--green)}
.cards a.hl-video,.cards a.vcard{display:flex;gap:14px;align-items:flex-start;padding:14px}
.hl-video img,.vcard img{width:72px;height:auto;aspect-ratio:9/16;object-fit:cover;border-radius:8px;flex:none;background:var(--navy)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 8px}
.chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid #c7d2dc;border-radius:999px;padding:6px 13px;font-size:.88rem;font-weight:600;color:var(--navy);text-decoration:none}
.chip:hover{border-color:var(--green);color:var(--green2)}
.chip span{font-size:.75rem;color:var(--muted);font-weight:700}
.group{margin-top:28px}
.group-h{font-size:1.12rem;color:var(--navy);margin-bottom:2px}
.group .lead{margin-bottom:12px}

/* videos */
figure.video{display:grid;grid-template-columns:minmax(0,300px) 1fr;gap:20px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:1.2em 0}
figure.video video{width:100%;height:auto;aspect-ratio:9/16;border-radius:10px;background:#0b2238;display:block}
figure.video figcaption{font-size:.92rem;color:var(--muted)}
figure.video figcaption strong{display:block;color:var(--navy);font-size:1.02rem;margin:2px 0 6px}
figure.video .kicker{display:block;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--green)}
figure.video .vnote{display:block;margin-top:8px}
figure.video .tag{margin-bottom:4px}
.transcript{margin-top:10px}
.transcript summary{cursor:pointer;font-weight:600;color:var(--green2)}
.transcript p{margin-top:6px}
@media (max-width:640px){ figure.video{grid-template-columns:1fr} figure.video video{max-width:300px;margin:0 auto} }
.vblock + .vblock{margin-top:26px}
.vtext{color:var(--muted);font-size:.95rem}

/* centre pages + index */
.peer-list{columns:2;column-gap:28px;padding-left:1.2em}
.peer-list li{break-inside:avoid}
@media (max-width:560px){ .peer-list{columns:1} }
.filters{display:flex;flex-wrap:wrap;gap:0 16px;margin-top:18px}
.filters > div{flex:1 1 240px;max-width:420px}
.filters label{display:block}
select.filter{background:#fff;appearance:auto}
@media (max-width:560px){
  .stat-row{grid-template-columns:1fr 1fr;gap:10px}
  .stat{padding:12px}
  .stat .v{font-size:1.35rem}
  .group .card p,.hl-grid .card p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
}