@font-face{font-family:"Instrument Sans";src:url(/assets/fonts/InstrumentSans.ttf) format("truetype");font-weight:400 700;font-display:swap}
@font-face{font-family:"Schibsted Grotesk";src:url(/assets/fonts/SchibstedGrotesk.ttf) format("truetype");font-weight:400 900;font-display:swap}
@font-face{font-family:"Spline Sans Mono";src:url(/assets/fonts/SplineSansMono.ttf) format("truetype");font-weight:300 700;font-display:swap}
:root{--bg:#1a1c24;--surface:#282b36;--surface2:#20232c;--dot:#464a58;--fg:#f4f5f8;--muted:#969bac;--blue:#3b82f6;--yellow:#ffde6a;--pink:#ff8fab;--green:#7adea0;--purple:#a78bfa;--line:#343846;--code:#232634;--sans:"Instrument Sans",ui-sans-serif,system-ui,sans-serif;--display:"Schibsted Grotesk","Instrument Sans",ui-sans-serif,system-ui,sans-serif;--mono:"Spline Sans Mono",ui-monospace,Menlo,monospace;}
:root[data-theme=light]{--bg:#f7f7fa;--surface:#fff;--surface2:#f0f1f5;--dot:#d3d6e0;--fg:#1c1e26;--muted:#5d6272;--line:#e0e2ea;--code:#eef0f5;--blue:#2563eb;--yellow:#b78900;--pink:#d6336c;--green:#1f9d55;--purple:#6d4fd6}
@media(prefers-color-scheme:light){:root:not([data-theme=dark]){--bg:#f7f7fa;--surface:#fff;--surface2:#f0f1f5;--dot:#d3d6e0;--fg:#1c1e26;--muted:#5d6272;--line:#e0e2ea;--code:#eef0f5;--blue:#2563eb;--yellow:#b78900;--pink:#d6336c;--green:#1f9d55;--purple:#6d4fd6}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto}code{font:.88em var(--mono);background:var(--code);padding:.12em .4em;border-radius:5px}
kbd{font:.75rem var(--mono);border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:.05em .4em;background:var(--surface2);color:var(--muted)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--surface);padding:8px 12px;z-index:100;border-radius:8px}
button{font:inherit;color:inherit;cursor:pointer}
/* header */
.top{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:12px;max-width:1500px;margin:0 auto;padding:10px 20px}
.brand{display:flex;align-items:center;gap:10px;color:var(--fg);font-weight:600}.brand:hover{text-decoration:none}.brand img{border-radius:7px}.brand b{color:var(--muted);font-weight:500}
.search-btn{flex:1;max-width:420px;margin-left:12px;display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:8px 12px;color:var(--muted);text-align:left}
.search-btn:hover{border-color:var(--blue)}.search-btn kbd{margin-left:auto}.s-ic{font-size:1.1rem}
.top-links{display:flex;gap:18px;margin-left:auto;align-items:center}.top-links a{color:var(--muted);font-size:.92rem}.top-links a:hover{color:var(--fg);text-decoration:none}
.pdf-link{border:1px solid var(--line);padding:6px 12px;border-radius:9px;color:var(--fg)!important}
.icon-btn{background:var(--surface);border:1px solid var(--line);border-radius:9px;width:36px;height:36px;display:grid;place-items:center;font-size:.8rem;font-weight:600;color:var(--fg)}.icon-btn:hover{text-decoration:none;border-color:var(--blue)}
.menu-btn{display:none}
.read-bar{height:2px}.read-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--purple))}
/* layout */
.layout{display:grid;grid-template-columns:280px minmax(0,1fr) 250px;max-width:1500px;margin:0 auto;gap:0}
.side{position:sticky;top:58px;align-self:start;height:calc(100vh - 58px);overflow:auto;padding:20px 12px 40px 20px;border-right:1px solid var(--line);font-size:.9rem}
.part summary{cursor:pointer;display:flex;justify-content:space-between;gap:8px;padding:7px 8px;border-radius:8px;font-weight:600;list-style:none}.part summary::-webkit-details-marker{display:none}
.part summary:hover{background:var(--surface)}.part small{color:var(--muted);font-weight:400}
.part ul{list-style:none;margin:2px 0 10px 8px;padding:0 0 0 10px;border-left:1px solid var(--line)}
.part li a{display:flex;justify-content:space-between;align-items:center;gap:6px;padding:5px 8px;color:var(--muted);border-radius:7px}.part li a:hover{color:var(--fg);background:var(--surface);text-decoration:none}
.part li a[aria-current]{color:var(--fg);background:color-mix(in srgb,var(--blue) 20%,transparent);font-weight:600}
.done{width:8px;height:8px;border-radius:50%;flex:none}.done.full{background:var(--green)}.done.some{background:var(--yellow)}
.doc{padding:34px clamp(20px,4vw,56px) 60px;min-width:0}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:6px}.crumbs span{margin:0 4px}
.eyebrow{color:var(--blue);font:600 .8rem var(--mono);letter-spacing:.08em;text-transform:uppercase;margin:0}
.prose{max-width:760px}.prose h1{font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.15;margin:.3em 0 .4em;letter-spacing:-.02em}
.prose h2{font-size:1.5rem;margin:2.2em 0 .6em;padding-top:.4em;letter-spacing:-.01em}.prose h3{font-size:1.15rem;margin:1.8em 0 .5em}
.anchor{opacity:0;margin-left:-1.1em;padding-right:.4em;color:var(--muted);text-decoration:none!important}h2:hover .anchor,h3:hover .anchor{opacity:1}
.meta{display:flex;gap:8px;margin-bottom:22px}.meta-pill{font-size:.78rem;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:2px 10px}
.prose p{margin:0 0 1em}.prose ul{padding-left:1.3em}.prose li{margin:.3em 0}
.ui{font-weight:600;color:var(--blue);background:color-mix(in srgb,var(--blue) 13%,transparent);padding:.05em .45em;border-radius:6px;white-space:nowrap}.ui:hover{text-decoration:none;background:color-mix(in srgb,var(--blue) 24%,transparent)}
.xref{text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--blue) 50%,transparent);text-underline-offset:3px}
.term{border:0;background:none;padding:0;color:inherit;border-bottom:1.5px dotted var(--purple);cursor:help}
.concept{font-style:normal;color:var(--fg)}
/* steps */
.steps{list-style:none;counter-reset:s;padding:0;margin:1.2em 0}
.steps li{display:flex;gap:14px;padding:12px 14px;margin:8px 0;background:var(--surface);border:1px solid var(--line);border-radius:12px;transition:.2s}
.steps li.now{border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 22%,transparent)}
.steps li.done-step{opacity:.55;border-color:color-mix(in srgb,var(--green) 40%,var(--line))}
.step-check{flex:none;width:28px;height:28px;border-radius:50%;border:2px solid var(--blue);background:none;font-weight:700;color:var(--blue);font-size:.85rem;display:grid;place-items:center;margin-top:1px}
.step-check::before{content:attr(data-n)}.done-step .step-check{background:var(--green);border-color:var(--green);color:#10201a}.done-step .step-check::before{content:"✓"}
.step-body{min-width:0}.steps-bar{display:flex;align-items:center;gap:12px;font-size:.85rem;color:var(--muted);margin:1.4em 0 -.4em}.steps-bar .bar{flex:1;max-width:240px}
.steps-bar button{background:none;border:0;color:var(--blue);padding:0}
.bar{height:6px;background:var(--line);border-radius:9px;overflow:hidden}.bar i{display:block;height:100%;background:var(--green);width:0;transition:width .3s}
/* callouts */
.callout{border-radius:12px;padding:14px 16px;margin:1.2em 0;border:1px solid var(--line);border-left:4px solid var(--blue);background:var(--surface)}
.callout p{margin:0}.callout-label{font:700 .72rem var(--mono);letter-spacing:.09em;text-transform:uppercase;margin-bottom:4px;color:var(--blue)}
.callout-important,.callout-warning{border-left-color:var(--pink)}.callout-important .callout-label,.callout-warning .callout-label{color:var(--pink)}
.callout-expected{border-left-color:var(--green)}.callout-expected .callout-label{color:var(--green)}
.callout-example{border-left-color:var(--yellow)}.callout-example .callout-label{color:var(--yellow)}
.callout-tip{border-left-color:var(--purple)}.callout-tip .callout-label{color:var(--purple)}
/* figures & tables */
.shot{margin:1.6em 0;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;cursor:zoom-in}
.shot img{display:block;width:100%}.shot figcaption{padding:10px 14px;font-size:.88rem;color:var(--muted);border-top:1px solid var(--line)}.shot figcaption strong{color:var(--fg)}
.table-wrap{overflow-x:auto;margin:1.4em 0;border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:.9rem}th{background:var(--surface2);text-align:left;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
th,td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}tr:last-child td{border-bottom:0}tbody tr:hover{background:var(--surface)}
.filter{width:100%;padding:10px 14px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--fg);font:inherit;margin:14px 0}
/* toc */
.toc{position:sticky;top:58px;align-self:start;max-height:calc(100vh - 58px);overflow:auto;padding:34px 20px 20px 4px;font-size:.84rem}
.toc h2{font:600 .72rem var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 8px}
.toc ul{list-style:none;padding:0;margin:0;border-left:1px solid var(--line)}.toc li a{display:block;padding:4px 12px;color:var(--muted);margin-left:-1px;border-left:2px solid transparent}
.toc li.l3 a{padding-left:24px}.toc li a:hover{color:var(--fg);text-decoration:none}.toc li a.on{color:var(--blue);border-left-color:var(--blue)}
.actions{display:flex;flex-direction:column;gap:6px;margin-top:22px}.actions>*{border:1px solid var(--line);background:var(--surface);color:var(--fg);padding:7px 10px;border-radius:9px;font-size:.8rem;text-align:left}.actions>*:hover{border-color:var(--blue);text-decoration:none}
/* cards, pn */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.cards.list{grid-template-columns:1fr}
.card{display:flex;flex-direction:column;gap:3px;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--fg)}.card:hover{border-color:var(--blue);text-decoration:none;transform:translateY(-1px)}
.card small,.pcard small{color:var(--muted);font-size:.75rem}.card span,.pcard span{color:var(--muted);font-size:.88rem}
.related h2{font-size:1.1rem;margin-top:2.4em}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:2.4em;max-width:760px}.pn a{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:12px;padding:14px 16px;color:var(--fg);background:var(--surface)}.pn a:hover{border-color:var(--blue);text-decoration:none}
.pn small{color:var(--muted)}.pn-next{text-align:right}
.feedback{display:flex;gap:10px;align-items:center;margin-top:2.4em;color:var(--muted);font-size:.9rem;max-width:760px;border-top:1px solid var(--line);padding-top:18px}
.feedback button{background:var(--surface);border:1px solid var(--line);border-radius:99px;padding:4px 14px}.feedback button:hover{border-color:var(--blue)}
/* home */
.dot-grid{background-image:radial-gradient(var(--dot) 1.2px,transparent 1.2px);background-size:26px 26px}
.hero{padding:72px 20px 56px;text-align:center;border-bottom:1px solid var(--line)}.hero-in{max-width:760px;margin:0 auto}
.hero h1{font-size:clamp(2.2rem,6vw,3.6rem);line-height:1.08;letter-spacing:-.03em;margin:.3em 0}.lead{color:var(--muted);font-size:1.15rem}
.hero-search{display:flex;align-items:center;gap:12px;width:100%;margin:26px 0 18px;padding:15px 18px;font-size:1.05rem;border-radius:14px;background:var(--surface);border:1px solid var(--line);color:var(--muted);box-shadow:0 12px 40px #0004}.hero-search:hover{border-color:var(--blue)}.hero-search kbd{margin-left:auto}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;flex-direction:column;align-items:center;gap:1px;padding:11px 20px;border-radius:11px;border:1px solid var(--line);background:var(--surface);color:var(--fg);font-weight:600}.btn:hover{text-decoration:none;border-color:var(--blue)}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn small{font-weight:400;opacity:.8;font-size:.72rem}
.wrap{max-width:1100px;margin:0 auto;padding:44px 20px 0}.wrap h2{font-size:1.5rem;margin:0}.sub{color:var(--muted);margin:.2em 0 18px}
.qgrid,.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:16px}
.qcard,.pcard{display:flex;flex-direction:column;gap:5px;padding:20px;border-radius:14px;background:var(--surface);border:1px solid var(--line);color:var(--fg)}.qcard:hover,.pcard:hover{border-color:var(--blue);text-decoration:none;transform:translateY(-2px)}
.qn{width:30px;height:30px;border-radius:50%;background:var(--yellow);color:#241c00;display:grid;place-items:center;font-weight:700}.qcard span:last-child{color:var(--muted);font-size:.9rem}
.paths{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-top:16px}.path{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px}.path h3{margin:0 0 8px;font-size:1.05rem;color:var(--fg);font-weight:600}.path ol{margin:0;padding-left:1.2em}
.progress-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;margin-top:14px}
.agent-card{display:flex;gap:24px;justify-content:space-between;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px}.agent-card p{color:var(--muted);margin:.4em 0 0;max-width:520px}.agent-links{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.agent-links a{border:1px solid var(--line);border-radius:9px;padding:7px 12px;font-family:var(--mono);font-size:.82rem}
.link-list{list-style:none;padding:0}.link-list li{display:flex;gap:14px;padding:10px 0;border-bottom:1px solid var(--line)}.link-list li span{color:var(--muted)}
.center{text-align:center;padding-top:90px}
.rootpage .root{min-height:100vh;display:grid;place-items:center;text-align:center}.root-in{max-width:520px;padding:24px}.root-in p{color:var(--muted)}
/* foot */
.foot{margin-top:70px;border-top:1px solid var(--line);padding:34px 20px;color:var(--muted);font-size:.88rem}.foot-in{max-width:1100px;margin:0 auto;display:flex;gap:30px;justify-content:space-between;flex-wrap:wrap}.foot ul{list-style:none;padding:0;margin:0;display:flex;gap:16px;flex-wrap:wrap}.foot .fine{width:100%;margin:0}
/* search palette */
.palette{position:fixed;inset:0;z-index:90;background:#0009;display:grid;justify-items:center;align-content:start;padding:9vh 16px}
.palette-box{width:min(680px,100%);background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 30px 80px #000a}
.palette input{width:100%;padding:18px 20px;font:1.1rem var(--sans);border:0;border-bottom:1px solid var(--line);background:none;color:var(--fg);outline:0}
.palette ul{list-style:none;margin:0;padding:6px;max-height:55vh;overflow:auto}.palette li a{display:block;padding:10px 14px;border-radius:9px;color:var(--fg)}
.palette li a small{display:block;color:var(--muted)}.palette li.sel a,.palette li a:hover{background:color-mix(in srgb,var(--blue) 22%,transparent);text-decoration:none}
.palette mark{background:color-mix(in srgb,var(--yellow) 40%,transparent);color:inherit;border-radius:3px}.palette .empty{padding:20px;color:var(--muted)}
.palette-foot{display:flex;gap:14px;padding:8px 16px;border-top:1px solid var(--line);color:var(--muted);font-size:.78rem}
/* cards: glossary and tool */
.pop{position:absolute;z-index:80;width:min(320px,calc(100vw - 24px));background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;box-shadow:0 14px 40px #0007;font-size:.88rem}
.pop b{display:block;margin-bottom:2px}.pop small{color:var(--purple)}.pop p{margin:.4em 0 0;color:var(--muted)}.pop a{display:inline-block;margin-top:6px;font-weight:600}
.lightbox{position:fixed;inset:0;z-index:95;background:#000d;display:grid;place-items:center;padding:20px;cursor:zoom-out}.lightbox img{max-width:100%;max-height:92vh;border-radius:10px;background:#fff}
/* explorers */
.explorer{margin:1.6em 0;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}
.explorer h3{margin:0 0 10px!important}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.tabs button{background:var(--surface2);border:1px solid var(--line);border-radius:99px;padding:5px 14px;font-size:.85rem}.tabs button[aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:#fff}
.hot{position:absolute;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;border:2px solid var(--yellow);background:#ffde6a33;color:var(--fg);font-size:.72rem;font-weight:700;display:grid;place-items:center}.hot.on{background:var(--yellow);color:#241c00}
.stage{position:relative}.stage img{display:block;width:100%;border-radius:10px}
.tool-readout{margin-top:12px;min-height:3.2em}
.ts-row{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.ts-row kbd{font-size:.95rem;padding:.2em .6em}
.trouble{margin:1.4em 0}.trouble button{display:block;width:100%;text-align:left;margin:8px 0;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:11px 14px}.trouble button:hover{border-color:var(--blue)}
@media(max-width:1180px){.layout{grid-template-columns:260px minmax(0,1fr)}.toc{display:none}}
@media(max-width:820px){.layout{grid-template-columns:1fr}.menu-btn{display:grid}.top-links{display:none}.search-btn{margin-left:auto}.search-btn .s-txt,.search-btn kbd{display:none}.search-btn{flex:none;width:36px;height:36px;justify-content:center;padding:0}
.side{position:fixed;inset:58px auto 0 0;width:min(320px,86vw);z-index:60;background:var(--bg);transform:translateX(-102%);transition:.25s;height:auto;box-shadow:12px 0 40px #0006}.menu-open .side{transform:none}
.pn{grid-template-columns:1fr}}
@media print{.top,.side,.toc,.foot,.feedback,.pn,.actions,.steps-bar,.anchor{display:none!important}.layout{display:block}body{background:#fff;color:#000}.shot,.callout,.steps li{break-inside:avoid;border-color:#bbb;background:#fff}.prose{max-width:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.steps-hint{flex-basis:100%;margin:0 0 4px;font-size:.88rem}.steps-bar{flex-wrap:wrap}.steps-bar.all-done span{color:var(--green);font-weight:600}
.steps li{flex-wrap:wrap;align-items:flex-start}.step-body{flex:1 1 240px}
.step-act{margin-left:auto;align-self:center;flex:none;background:none;border:1px solid var(--line);border-radius:99px;padding:5px 14px;font-size:.82rem;color:var(--muted)}
.steps li.now .step-act{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.steps li:not(.now):not(.done-step){opacity:.7}
.steps li.done-step .step-act{border-color:transparent}
.step-check{background:var(--surface2)}

/* Reference mode (default): plain numbered steps. Guided mode is opt in. */
.step-check{border:0;background:color-mix(in srgb,var(--blue) 16%,transparent);cursor:default}
.steps li{background:none;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:10px 0;margin:0}
.steps-bar,.step-act{display:none}
.follow-toggle{margin:1.2em 0 0;background:none;border:1px solid var(--line);border-radius:99px;padding:5px 14px;font-size:.82rem;color:var(--muted)}.follow-toggle:hover{border-color:var(--blue);color:var(--fg)}
.follow .steps-bar{display:flex}.follow .step-act{display:block}
.follow .steps li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:8px 0}
.follow .step-check{border:2px solid var(--blue);background:var(--surface2);cursor:pointer}
.steps li.now,.steps li.done-step,.steps li:not(.now):not(.done-step){opacity:1;box-shadow:none}
.follow .steps li.now{border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 22%,transparent)}
.follow .steps li.done-step{opacity:.55}.follow .steps li:not(.now):not(.done-step){opacity:.75}
.step-check::before{content:attr(data-n)}.follow .done-step .step-check::before{content:"✓"}

.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;background:var(--surface2);border:1px solid var(--line);border-radius:14px;margin:0 0 22px}
.mode-switch button{display:flex;flex-direction:column;align-items:flex-start;gap:1px;text-align:left;background:none;border:0;border-radius:10px;padding:9px 14px;color:var(--muted)}
.mode-switch button b{color:var(--fg);font-size:.95rem}.mode-switch small{font-size:.76rem}
.mode-switch button[aria-pressed=true]{background:var(--blue);color:#e8f0ff}.mode-switch button[aria-pressed=true] b{color:#fff}
.follow-toggle{display:none}
@media(min-width:821px){.home>.side,body.home .side{display:none}}
.brand span{white-space:nowrap}.side-quick{display:none;flex-direction:column;border-bottom:1px solid var(--line);margin-bottom:10px;padding-bottom:8px}.side-quick a{padding:8px;color:var(--fg);font-weight:600}@media(max-width:820px){.side-quick{display:flex}}
h1,h2,h3,h4,.brand,.card b,.pcard b,.qcard b{font-family:var(--display)}
.s-ic{display:inline-flex}.icon-btn svg{display:block}