/* librarian theme. The :root token block is shared verbatim with the approval pages
   (src/librarian/web.py, _TOKENS); a test keeps the two in sync. */
:root{--ink:#2b3a67;--ink-deep:#1f2b50;--brass:#d9a441;--brass-ink:#8a6420;--paper:#f6f4ee;--surface:#ffffff;--line:#e3dfd5;--text:#1c1f2b;--muted:#5d6170;--ok:#2e7d4f;--danger:#b3261e;--link:#2b3a67;--serif:Georgia,"Iowan Old Style","Times New Roman",serif;--sans:system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;--mono:ui-monospace,"Cascadia Mono",Menlo,Consolas,monospace;--radius:10px}
@media (prefers-color-scheme:dark){:root{--ink:#4f67b8;--ink-deep:#5f78c9;--brass:#e0b254;--brass-ink:#e0b254;--paper:#0f1420;--surface:#171d2d;--line:#2a3247;--text:#e9e7e0;--muted:#a3a8b8;--ok:#5bbf86;--danger:#f08a80;--link:#9fb1f0}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 var(--sans);color:var(--text);background:var(--paper)}
a{color:var(--link);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--brass-ink)}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.15;margin:0 0 .4em;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3vw,2.1rem);margin-top:0}
h3{font-size:1.25rem}
p{margin:0 0 1em}
code,pre{font-family:var(--mono);font-size:.92em}
code{background:var(--surface);border:1px solid var(--line);border-radius:5px;padding:1px 5px}
pre{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;overflow:auto;line-height:1.5;margin:0 0 1em}
pre code{background:none;border:0;padding:0}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.hero>div,.paths>div,.roadmap>div{min-width:0}
.measure{max-width:64ch}
.muted{color:var(--muted)}

/* header */
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:18px;padding-bottom:18px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:1.5rem;color:var(--text);text-decoration:none}
.brand svg{width:32px;height:32px}
.nav{display:flex;gap:22px;flex-wrap:wrap}
.nav a{color:var(--text);text-decoration:none;border-bottom:1px solid transparent}
.nav a:hover{border-bottom-color:var(--brass)}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:48px;align-items:center;padding-top:56px;padding-bottom:64px}
.hero .lede{font-size:1.2rem;max-width:52ch}
.hero .install{margin:24px 0 20px}
.hero .install pre{margin:0}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:10px 18px;border-radius:8px;border:1px solid var(--ink);background:var(--ink);color:#fff;text-decoration:none;font-weight:500}
.btn:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff}
.btn.quiet{background:transparent;color:var(--text);border-color:var(--line)}
.btn.quiet:hover{border-color:var(--ink);background:transparent;color:var(--text)}
.diagram{width:100%;height:auto}
.diagram .box{fill:var(--surface);stroke:var(--line);stroke-width:1.5}
.diagram .lib{fill:var(--ink);stroke:none}
.diagram .lbl{font:13px var(--sans);fill:var(--text)}
.diagram .sub{font:11px var(--sans);fill:var(--muted)}
.diagram .wire{stroke:var(--muted);stroke-width:1.5;fill:none}
.diagram .hot{stroke:var(--brass);stroke-width:2;fill:none}

/* sections */
section{padding:48px 0;border-top:1px solid var(--line)}
section>.wrap>h2+p{max-width:64ch}

/* the request ledger (a real sequence, hence the numbers) */
.ledger{list-style:none;margin:28px 0 0;padding:0;counter-reset:step;max-width:72ch}
.ledger li{counter-increment:step;display:grid;grid-template-columns:48px 1fr;gap:16px;padding:18px 0;border-top:1px solid var(--line)}
.ledger li:last-child{border-bottom:1px solid var(--line)}
.ledger li::before{content:counter(step);font-family:var(--serif);font-size:1.6rem;color:var(--brass-ink);line-height:1}
.ledger h3{margin:0 0 .25em}
.ledger p{margin:0}

/* why it's safe: a two-column definition list, no cards */
.rules{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:8px 40px;margin:24px 0 0}
.rules div{padding:14px 0;border-top:1px solid var(--line)}
.rules dt{font-weight:600;margin:0 0 4px}
.rules dd{margin:0;color:var(--muted)}

/* get started: three paths */
.paths{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px;margin-top:24px}
.paths h3{margin-bottom:.3em}
.paths p{color:var(--muted)}
.paths pre{font-size:.85rem}

table{border-collapse:collapse;width:100%;margin:16px 0}
th,td{text-align:left;padding:8px 10px 8px 0;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600}

.docs{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px 32px;margin-top:20px;padding:0;list-style:none}
.docs li{padding:10px 0;border-top:1px solid var(--line)}
.docs a{font-weight:500}
.docs span{display:block;color:var(--muted)}

.roadmap{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;margin-top:20px}
.roadmap ul{margin:0;padding-left:18px}
.roadmap li{margin:6px 0}

footer{padding:32px 0 48px;border-top:1px solid var(--line);color:var(--muted)}
footer a{margin-right:20px}

@media (max-width:820px){
  .hero{grid-template-columns:1fr;gap:32px;padding-top:32px;padding-bottom:40px}
  section{padding:36px 0}
}
@media (prefers-reduced-motion:no-preference){
  .hero .hub{animation:settle .8s ease-out}
  @keyframes settle{from{transform:translateY(-6px);opacity:0}to{transform:none;opacity:1}}
}