/* Layout: portfolio strip on top; one selected project below, read as a control-room report:
   summary tiles → explanation → trajectory → impact chains → risk → anomalies → what-if → data & model. */
:root{
  --bg:#eef1f4; --surface:#ffffff; --surface-2:#f5f7f9; --ink:#17212c; --muted:#5a6674; --line:#d5dce3;
  --accent:#1f5ea8; --accent-soft:#dde8f5; --est:#8f5d00; --est-soft:#f5ead3;
  --low:#2c7a4b; --mod:#9a6300; --high:#c2551c; --crit:#b42323;
  --f-display:"Barlow Semi Condensed","Arial Narrow",system-ui,sans-serif;
  --f-body:"Source Sans 3","Segoe UI",system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0e141a; --surface:#151d25; --surface-2:#1b242e; --ink:#e2e8ee; --muted:#96a3b1; --line:#2a3643;
  --accent:#72aaea; --accent-soft:#1b2f46; --est:#e3b05a; --est-soft:#352a17;
  --low:#5fc088; --mod:#e2b13f; --high:#f08b55; --crit:#f26d6d; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0e141a; --surface:#151d25; --surface-2:#1b242e; --ink:#e2e8ee; --muted:#96a3b1; --line:#2a3643;
  --accent:#72aaea; --accent-soft:#1b2f46; --est:#e3b05a; --est-soft:#352a17;
  --low:#5fc088; --mod:#e2b13f; --high:#f08b55; --crit:#f26d6d; color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font:15px/1.5 var(--f-body);padding-inline:16px;padding-block:0 48px}
.wrap{max-width:1180px;margin:0 auto;display:flex;flex-direction:column;gap:28px}
#proj{width:100%;min-width:0}
h1,h2,h3{font-family:var(--f-display);font-weight:600;margin:0;text-wrap:balance;letter-spacing:.005em}
h1{font-size:clamp(26px,4vw,34px);line-height:1.1}
h2{font-size:21px}
h3{font-size:16px}
p{margin:0}
.mono,.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.eyebrow{font:600 11.5px/1 var(--f-body);letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* top bar */
.top{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;padding-block:20px 16px;border-bottom:1px solid var(--line)}
.brand{display:flex;gap:12px;align-items:center}
.mark{width:34px;height:34px;flex:none}
.brand b{font:700 19px/1.1 var(--f-display);display:block}
.brand span{font-size:12.5px;color:var(--muted)}
.legend{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--muted)}
.proto{font:500 11.5px var(--f-mono);border:1px solid var(--est);color:var(--est);padding:3px 8px;border-radius:3px}

/* provenance tags */
.tag{display:inline-flex;align-items:center;gap:5px;font:600 10.5px/1 var(--f-body);letter-spacing:.07em;text-transform:uppercase;padding:4px 7px;border-radius:3px;white-space:nowrap;vertical-align:middle}
.tag.obs{border:1px solid var(--ink);color:var(--ink)}
.tag.fc{background:var(--accent);color:var(--surface)}
.tag.as{border:1px dashed var(--muted);color:var(--muted)}
.tag.est{background:var(--est-soft);color:var(--est);border:1px solid color-mix(in srgb,var(--est) 40%,transparent)}

/* portfolio */
.pf-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px}
.pf{display:grid;grid-template-columns:repeat(auto-fill,minmax(178px,1fr));gap:10px;margin-top:12px}
.pcard{all:unset;cursor:pointer;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:12px 12px 10px;display:flex;flex-direction:column;gap:6px;position:relative;overflow:hidden}
.pcard:hover{border-color:var(--muted)}
.pcard:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.pcard[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.pcard::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--sev)}
.pcard .id{font:500 11.5px var(--f-mono);color:var(--muted)}
.pcard .nm{font:600 15px/1.2 var(--f-display)}
.pcard .row{display:flex;justify-content:space-between;align-items:center;gap:6px;font-size:12.5px}
.bar{height:4px;background:var(--line);border-radius:2px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--ink)}
.pill{font:700 10.5px/1 var(--f-body);letter-spacing:.07em;padding:4px 7px;border-radius:3px;color:var(--sev);background:color-mix(in srgb,var(--sev) 14%,transparent)}
.sev-LOW{--sev:var(--low)}.sev-MODERATE{--sev:var(--mod)}.sev-HIGH{--sev:var(--high)}.sev-CRITICAL{--sev:var(--crit)}

/* project */
.phead{display:flex;flex-direction:column;gap:10px}
.meta{display:flex;flex-wrap:wrap;gap:4px 16px;color:var(--muted);font-size:13.5px}
.pipe{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.stage{display:flex;flex-direction:column;gap:2px;padding:7px 10px;border:1px solid var(--line);border-radius:4px;background:var(--surface);font-size:12px;min-width:0}
.stage b{font:600 12.5px var(--f-display);letter-spacing:.02em}
.stage span{color:var(--muted)}
.stage.warn{border-color:var(--mod)}
.stage.warn span{color:var(--mod)}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:18px;display:flex;flex-direction:column;gap:12px;min-width:0}
.panel-h{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.grid3{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:12px}
.grid2{display:grid;grid-template-columns:1.6fr 1fr;gap:12px}
.grid2e{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:920px){.grid3,.grid2,.grid2e{grid-template-columns:1fr}}

.big{font:600 clamp(30px,4.5vw,40px)/1 var(--f-display);font-variant-numeric:tabular-nums;letter-spacing:.005em}
.kv{display:grid;grid-template-columns:1fr auto;gap:5px 12px;font-size:13.5px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;text-align:right;font-family:var(--f-mono);font-size:13px;font-variant-numeric:tabular-nums}
.delta-up{color:var(--high)}.delta-down{color:var(--low)}

.catbars{display:flex;flex-direction:column;gap:7px}
.cb{display:grid;grid-template-columns:78px 1fr 30px;gap:8px;align-items:center;font-size:12.5px}
.cb .t{height:8px;background:var(--surface-2);border:1px solid var(--line);border-radius:2px;overflow:hidden}
.cb .t i{display:block;height:100%;background:var(--sev)}
.cb .n{font:500 12px var(--f-mono);text-align:right}

.explain{background:var(--accent-soft);border-radius:6px;padding:16px 18px;display:flex;flex-direction:column;gap:8px}
.explain p{max-width:78ch;font-size:15.5px}
.explain small{color:var(--muted);font-size:12.5px}

.chart{width:100%;overflow-x:auto}
.chart svg{display:block;width:100%;min-width:520px;height:auto}
.chart text{font:11px var(--f-mono);fill:var(--muted)}
.chart .lbl{fill:var(--ink);font-weight:500}
.clegend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:12.5px;color:var(--muted)}
.clegend i{display:inline-block;width:18px;height:0;border-top:2px solid;vertical-align:middle;margin-right:6px}

.attr{display:flex;flex-direction:column;gap:6px}
.at{display:grid;grid-template-columns:minmax(0,1fr) 110px 64px;gap:8px;align-items:center;font-size:12.5px}
.at .v{font:500 12px var(--f-mono);text-align:right}
.at .ax{position:relative;height:10px;border-left:1px solid var(--line)}
.at .ax::before{content:"";position:absolute;left:50%;top:-2px;bottom:-2px;border-left:1px solid var(--muted)}
.at .ax i{position:absolute;top:1px;bottom:1px;border-radius:1px}

/* impact chains */
.chains{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px}
.chain{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:16px;display:flex;flex-direction:column;gap:0;min-width:0}
.chain h3{margin-bottom:12px}
.step{display:grid;grid-template-columns:14px 1fr;gap:10px;padding-bottom:12px;position:relative}
.step::before{content:"";position:absolute;left:6px;top:14px;bottom:0;border-left:1px solid var(--line)}
.step:last-of-type::before{display:none}
.step .dot{width:13px;height:13px;border-radius:50%;border:2px solid var(--ink);background:var(--surface);margin-top:3px}
.step.fc .dot{border-color:var(--accent)}
.step.est .dot{border-color:var(--est);background:var(--est-soft)}
.step .hd{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font:600 12.5px var(--f-display);letter-spacing:.03em;text-transform:uppercase;color:var(--muted)}
.step p{font-size:14px;margin-top:3px}
.step .fig{font:600 19px var(--f-display);font-variant-numeric:tabular-nums;margin-top:2px}
.step .basis{font-size:12.5px;color:var(--muted)}
.assum{margin-top:4px;padding-top:10px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--muted);display:flex;flex-direction:column;gap:3px}
.empty{padding:18px;border:1px dashed var(--line);border-radius:6px;color:var(--muted);font-size:14px}

.factors{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;counter-reset:f}
.factors li{display:grid;grid-template-columns:22px 1fr auto;gap:8px;align-items:baseline;font-size:14px;counter-increment:f}
.factors li::before{content:counter(f);font:600 12px var(--f-mono);color:var(--muted)}
.chip-cat{font:600 10.5px var(--f-body);letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}

.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 12px;font-size:13px;cursor:pointer}
.chip:hover{border-color:var(--muted)}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.chip .c{font:500 11px var(--f-mono);margin-left:6px;color:var(--crit)}
.chip[aria-pressed="true"] .c{color:inherit}

.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{font:600 11px var(--f-body);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);text-align:left;padding:6px 8px;border-bottom:1px solid var(--line)}
.tbl td{padding:7px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl td.n{font-family:var(--f-mono);font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
.tbl-wrap{overflow-x:auto}
.method{font-size:13px;color:var(--muted);max-width:90ch}

/* what-if */
.wi{display:grid;grid-template-columns:1fr 1.05fr;gap:18px}
@media (max-width:920px){.wi{grid-template-columns:1fr}}
.sliders{display:flex;flex-direction:column;gap:14px}
.sl label{display:flex;justify-content:space-between;gap:8px;font-size:13.5px}
.sl label .num{font-size:13px}
.sl .base{font-size:11.5px;color:var(--muted)}
.sl input{width:100%;accent-color:var(--accent);margin:6px 0 0}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cmp>div{border:1px solid var(--line);border-radius:6px;padding:12px;display:flex;flex-direction:column;gap:4px;min-width:0}
.cmp .big{font-size:28px}
.cmp .scen{border-color:var(--accent)}
.btn{border:1px solid var(--line);background:var(--surface-2);border-radius:4px;padding:6px 12px;cursor:pointer;font-size:13px}
.btn:hover{border-color:var(--muted)}
.note{font-size:12.5px;color:var(--muted);border-left:2px solid var(--est);padding-left:10px}

.checks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.checks li{display:grid;grid-template-columns:20px 1fr;gap:8px;font-size:13.5px}
.checks .ic{font:700 13px var(--f-mono)}
.checks .ok{color:var(--low)}.checks .wn{color:var(--mod)}.checks .bad{color:var(--crit)}
.checks small{display:block;color:var(--muted);font-size:12.5px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px}
.stat{border:1px solid var(--line);border-radius:4px;padding:10px;background:var(--surface-2)}
.stat b{display:block;font:600 20px var(--f-display);font-variant-numeric:tabular-nums}
.stat span{font-size:12px;color:var(--muted)}
section.sec{display:flex;flex-direction:column;gap:12px}
.sec-h{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:baseline;justify-content:space-between}
.sec-h p{font-size:13.5px;color:var(--muted);max-width:72ch}
/* data source + import */
.databar{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:12px 14px}
.databar .src{display:flex;flex-direction:column;gap:2px;min-width:0}
.databar .src b{font:600 15px var(--f-display)}
.databar .src span{font-size:12.5px;color:var(--muted)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--surface);font-weight:600}
.btn.primary:hover{filter:brightness(1.08)}
.drop{position:relative;border:2px dashed var(--line);border-radius:6px;padding:26px 16px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;background:var(--surface-2);cursor:pointer}
.drop.over{border-color:var(--accent);background:var(--accent-soft)}
.drop b{font:600 17px var(--f-display)}
.drop span{font-size:13px;color:var(--muted)}
.drop input{position:absolute;width:1px;height:1px;opacity:0}
.steps{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px;font-size:14px;max-width:80ch}
.rep{display:flex;flex-direction:column;gap:8px}
.rep .line{display:grid;grid-template-columns:20px 1fr;gap:8px;font-size:13.5px}
.rep .line small{display:block;color:var(--muted);font-size:12.5px}
.guide{display:flex;flex-direction:column;gap:10px}
.guide details{border:1px solid var(--line);border-radius:6px;background:var(--surface)}
.guide summary{cursor:pointer;padding:10px 12px;display:flex;flex-wrap:wrap;gap:8px;align-items:baseline;justify-content:space-between;list-style:none}
.guide summary::-webkit-details-marker{display:none}
.guide summary b{font:600 15px var(--f-display)}
.guide summary span{font-size:12.5px;color:var(--muted)}
.guide .body{padding:0 12px 12px;display:flex;flex-direction:column;gap:8px}
.cols{display:flex;flex-wrap:wrap;gap:5px}
.cols code{font:12px var(--f-mono);padding:3px 6px;border-radius:3px;background:var(--surface-2);border:1px solid var(--line)}
.cols code.opt{border-style:dashed;color:var(--muted)}
.copyfall{width:100%;min-height:120px;font:12px var(--f-mono);background:var(--surface-2);color:var(--ink);border:1px solid var(--line);border-radius:4px;padding:8px}
/* recommended actions */
.plan{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between;background:var(--accent-soft);border-radius:6px;padding:14px 16px}
.plan .pv{display:flex;flex-wrap:wrap;gap:10px 28px}
.plan .pv div{display:flex;flex-direction:column;gap:2px}
.plan .pv b{font:600 20px var(--f-display);font-variant-numeric:tabular-nums}
.plan .pv span{font-size:12px;color:var(--muted)}
.acts{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px}
.act{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:16px;display:flex;flex-direction:column;gap:10px;min-width:0}
.act-h{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;justify-content:space-between}
.prio{font:700 10.5px/1 var(--f-body);letter-spacing:.07em;text-transform:uppercase;padding:4px 7px;border-radius:3px}
.prio-High{background:var(--accent);color:var(--surface)}
.prio-Medium{background:var(--accent-soft);color:var(--accent)}
.prio-Low,.prio-Not{background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}
.act p{font-size:14px}
.act ul{margin:0;padding-left:18px;font-size:13.5px;display:flex;flex-direction:column;gap:3px}
.tgt{font-size:13px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:8px 10px;border:1px dashed var(--line);border-radius:4px}
.tgt .num{font-size:13px}
.eff{border-top:1px solid var(--line);padding-top:10px}
.be{font-size:12.5px;color:var(--muted)}
.act .btn{align-self:flex-start;margin-top:auto}
/* assumptions */
.asm{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}
.asm-i{display:flex;flex-direction:column;gap:6px;padding:12px;border:1px solid var(--line);border-radius:6px;background:var(--surface);min-width:0}
.asm-i label{font-size:13.5px;font-weight:600}
.asm-i .row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.asm-i input{width:84px;font:500 14px var(--f-mono);padding:5px 8px;border:1px solid var(--line);border-radius:4px;background:var(--surface-2);color:var(--ink)}
.asm-i input.changed{border-color:var(--est);background:var(--est-soft)}
.asm-i small{font-size:12px;color:var(--muted)}
/* guided tour */
#portfolio,#sec-summary,#sec-explain,.sec{scroll-margin-top:20px}
.tour-hl{outline:3px solid var(--accent);outline-offset:6px;border-radius:6px}
body.touring{padding-bottom:50vh}
.tour{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(16px + env(safe-area-inset-bottom,0px));width:min(480px,calc(100% - 32px));z-index:50;background:var(--surface);border:1px solid var(--accent);border-radius:8px;box-shadow:0 12px 32px rgba(10,20,30,.28);padding:16px;display:flex;flex-direction:column;gap:10px;max-height:46vh;overflow:auto}
.tour .tc{font:500 11.5px var(--f-mono);color:var(--muted)}
.tour h3{font-size:18px}
.tour p{font-size:14.5px}
.tour .nav{display:flex;gap:8px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.tour .bar{height:3px;background:var(--line);border-radius:2px;overflow:hidden}
.tour .bar i{display:block;height:100%;background:var(--accent)}
footer{font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}
@media (prefers-reduced-motion:no-preference){.sl input,.cb .t i,.bar i{transition:width .25s}}