:root{
  --paper:#f5f1e8; --paper-2:#efe9dc; --card:#fbf9f4; --ink:#1f1b16; --ink-2:#4a433b; --ink-3:#7a7066;
  --rule:rgba(31,27,22,.12); --rule-2:rgba(31,27,22,.22);
  --pencil:#b4372b; --pencil-soft:rgba(180,55,43,.10);
  --ok:#2f6b45; --ok-soft:rgba(47,107,69,.12);
  --warn:#9a6412; --warn-soft:rgba(154,100,18,.13);
  --bad:#b4372b; --bad-soft:rgba(180,55,43,.12);
  --none:#6d655c; --none-soft:rgba(109,101,92,.12);
  --shadow:0 1px 2px rgba(60,40,20,.06),0 8px 24px rgba(60,40,20,.06);
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,ui-serif,serif;
  --sans:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --r-sm:4px; --r-md:8px; --r-lg:12px;
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#16130f; --paper-2:#1d1914; --card:#211d17; --ink:#efe8dc; --ink-2:#c9bfb1; --ink-3:#998e80;
    --rule:rgba(239,232,220,.10); --rule-2:rgba(239,232,220,.2);
    --pencil:#e8604c; --pencil-soft:rgba(232,96,76,.14);
    --ok:#6fbf8b; --ok-soft:rgba(111,191,139,.14);
    --warn:#e0a84a; --warn-soft:rgba(224,168,74,.14);
    --bad:#ef7462; --bad-soft:rgba(239,116,98,.15);
    --none:#a59a8c; --none-soft:rgba(165,154,140,.14);
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 12px;border-radius:var(--r-sm);z-index:50}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--pencil);outline-offset:2px}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;margin:0}

/* top bar */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px clamp(16px,3vw,32px);background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
.brand{display:flex;align-items:baseline;gap:8px;min-width:0}
.studio{font-family:var(--mono);font-size:13px;color:var(--ink-3);text-decoration:none}
.studio:hover{color:var(--ink)}
.sep{color:var(--ink-3)}
.product{font-family:var(--serif);font-size:19px;font-weight:600}
.top-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.btn{appearance:none;border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:8px 14px;min-height:40px;border-radius:var(--r-md);cursor:pointer;font-size:14px;font-weight:500;transition:transform .12s ease,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--rule-2)}
.btn.ghost:hover{border-color:var(--ink)}
.btn.pencil{background:var(--pencil);border-color:var(--pencil);color:#fff}
.btn.small{min-height:34px;padding:5px 10px;font-size:13px}
.icon-btn{appearance:none;border:0;background:transparent;font-size:24px;line-height:1;width:40px;height:40px;border-radius:var(--r-md);cursor:pointer;color:var(--ink-2)}
.icon-btn:hover{background:var(--paper-2)}

/* layout */
.shell{display:grid;grid-template-columns:220px minmax(0,1fr) 300px;gap:clamp(16px,2.5vw,36px);max-width:1440px;margin:0 auto;padding:24px clamp(16px,3vw,32px) 80px}
.rail{position:sticky;top:84px;align-self:start;min-width:0}
.rail ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;counter-reset:s}
.rail a{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:6px;padding:8px 10px;border-radius:var(--r-md);text-decoration:none;color:var(--ink-2);font-size:14px;min-height:40px}
.rail a:hover{background:var(--paper-2);color:var(--ink)}
.rail a[aria-current="page"]{background:var(--card);color:var(--ink);box-shadow:var(--shadow)}
.rail .num{font-family:var(--mono);font-size:11px;color:var(--ink-3)}
.rail .dot{width:8px;height:8px;border-radius:50%;background:var(--rule-2)}
.rail .dot.done{background:var(--ok)}
.rail .dot.part{background:var(--warn)}
.rail .group{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);padding:14px 10px 4px}
main{min-width:0;outline:none}
main:focus,main:focus-visible{outline:none}
a.btn{text-decoration:none;display:inline-flex;align-items:center}

/* view */
.view-head{padding:8px 0 22px;border-bottom:1px solid var(--rule);margin-bottom:24px}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--pencil);margin:0 0 8px}
.view-head h1{font-size:clamp(28px,3.4vw,40px);line-height:1.1;max-width:22ch}
.lede{color:var(--ink-2);max-width:62ch;margin:12px 0 0;font-size:16px}
.block{background:var(--card);border:1px solid var(--rule);border-radius:var(--r-lg);padding:20px 22px;margin-bottom:18px;box-shadow:var(--shadow)}
.block h2{font-size:20px;margin-bottom:4px}
.block .hint{color:var(--ink-3);font-size:13.5px;margin:0 0 14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field.full{grid-column:1/-1}
label,.lbl{font-size:13px;font-weight:600;color:var(--ink-2)}
label small,.lbl small{font-weight:400;color:var(--ink-3)}
input[type=text],select,textarea{width:100%;background:var(--paper);border:1px solid var(--rule-2);border-radius:var(--r-md);padding:9px 11px;min-height:40px;transition:border-color .15s,background .15s}
textarea{resize:vertical;min-height:76px;line-height:1.5}
input[type=text]:focus,select:focus,textarea:focus{border-color:var(--ink);background:var(--card);outline:none}
::placeholder{color:var(--ink-3);opacity:.85}

/* hero on desk */
.desk-hero{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:end;padding:8px 0 28px;border-bottom:1px solid var(--rule);margin-bottom:24px}
.desk-hero h1{font-size:clamp(32px,4.4vw,54px);line-height:1.04;max-width:16ch}
.desk-hero h1 em{font-style:normal;color:var(--pencil);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px}
.memo{background:var(--card);border:1px solid var(--rule);border-radius:var(--r-md);padding:16px 18px;font-size:13.5px;color:var(--ink-2);box-shadow:var(--shadow);position:relative}
.memo p{margin:0 0 8px}
.memo mark{background:var(--pencil-soft);color:inherit;border-bottom:2px solid var(--pencil);padding:0 2px}
.memo .note{font-family:var(--mono);font-size:11px;color:var(--pencil);margin-top:10px}
.cards{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.card{background:var(--card);border:1px solid var(--rule);border-radius:var(--r-lg);padding:16px 18px;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:6px;transition:transform .15s,box-shadow .15s;box-shadow:var(--shadow)}
.card:hover{transform:translateY(-2px)}
.card.w3{grid-column:span 3}.card.w2{grid-column:span 2}.card.w4{grid-column:span 4}
.card .k{font-family:var(--mono);font-size:11px;color:var(--ink-3)}
.card h3{font-size:18px}
.card p{margin:0;color:var(--ink-2);font-size:13.5px}
.meter{height:4px;background:var(--rule);border-radius:2px;overflow:hidden;margin-top:auto}
.meter i{display:block;height:100%;background:var(--ink);transition:width .4s ease}

/* claims */
.claim{border:1px solid var(--rule);border-radius:var(--r-md);padding:14px 16px;margin-bottom:12px;background:var(--paper)}
.claim-top{display:flex;gap:10px;align-items:flex-start;justify-content:space-between;margin-bottom:10px}
.claim-no{font-family:var(--mono);font-size:12px;color:var(--ink-3);padding-top:10px;white-space:nowrap}
.claim-text{flex:1}
.claim-text textarea{font-family:var(--serif);font-size:16px;min-height:60px}
.check-tip{font-size:13px;color:var(--ink-2);background:var(--paper-2);border-radius:var(--r-sm);padding:8px 10px;margin:2px 0 0}
.check-tip b{font-family:var(--mono);font-weight:500;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-right:6px}
.status-row{display:flex;flex-wrap:wrap;gap:6px}
.chip{appearance:none;border:1px solid var(--rule-2);background:transparent;border-radius:999px;padding:6px 12px;min-height:34px;font-size:13px;cursor:pointer;color:var(--ink-2)}
.chip[aria-pressed="true"].s-supported{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}
.chip[aria-pressed="true"].s-contradicted{background:var(--bad-soft);border-color:var(--bad);color:var(--bad)}
.chip[aria-pressed="true"].s-uncertain{background:var(--warn-soft);border-color:var(--warn);color:var(--warn)}
.chip[aria-pressed="true"].s-unchecked{background:var(--none-soft);border-color:var(--none);color:var(--none)}
.chip[aria-pressed="true"]{font-weight:600}
.empty{border:1.5px dashed var(--rule-2);border-radius:var(--r-lg);padding:28px;text-align:center;color:var(--ink-3)}
.empty p{margin:0 0 12px}
.row-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:10px}
.linkish{appearance:none;background:none;border:0;color:var(--ink-3);font-size:13px;cursor:pointer;text-decoration:underline;text-underline-offset:3px;min-height:34px}
.linkish:hover{color:var(--pencil)}

/* patterns */
.patterns{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px;margin-bottom:16px}
.pat{appearance:none;text-align:left;border:1px solid var(--rule-2);background:var(--paper);border-radius:var(--r-md);padding:12px 14px;cursor:pointer;display:flex;flex-direction:column;gap:4px;min-height:44px}
.pat strong{font-family:var(--serif);font-size:15.5px}
.pat span{font-size:12.5px;color:var(--ink-3)}
.pat[aria-pressed="true"]{border-color:var(--ink);background:var(--card);box-shadow:inset 0 0 0 1px var(--ink)}

/* tables */
.tasks{width:100%;border-collapse:collapse}
.tasks th{font-size:11.5px;font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);text-align:left;font-weight:500;padding:6px 8px;border-bottom:1px solid var(--rule)}
.tasks td{padding:8px;vertical-align:top;border-bottom:1px solid var(--rule)}
.tasks td:first-child{width:28%}
.tasks select{min-width:110px}
.tasks textarea{min-height:56px}
.table-wrap{overflow-x:auto}

/* scales */
.scale{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.scale button{appearance:none;border:1px solid var(--rule-2);background:var(--paper);border-radius:var(--r-md);padding:10px 12px;text-align:left;cursor:pointer;min-height:64px;display:flex;flex-direction:column;gap:2px}
.scale button b{font-family:var(--serif);font-size:15.5px}
.scale button span{font-size:12px;color:var(--ink-3)}
.scale button[aria-pressed="true"]{border-color:var(--ink);background:var(--card);box-shadow:inset 0 0 0 1px var(--ink)}
.checks{display:flex;flex-direction:column;gap:8px}
.checkline{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid var(--rule);border-radius:var(--r-md);background:var(--paper);cursor:pointer}
.checkline input{width:18px;height:18px;margin-top:2px;accent-color:var(--ok)}
.checkline span{font-size:14px}
.checkline small{display:block;color:var(--ink-3);font-size:12.5px}
.warnbox{background:var(--warn-soft);color:var(--ink);border-radius:var(--r-md);padding:10px 12px;font-size:13.5px;margin-top:12px}
.warnbox b{color:var(--warn)}

/* ledger */
.ledger{position:sticky;top:84px;align-self:start}
.ledger-inner{background:var(--card);border:1px solid var(--rule);border-radius:var(--r-lg);padding:18px;box-shadow:var(--shadow)}
.stamp{font-family:var(--serif);font-weight:700;font-size:22px;letter-spacing:.04em;text-transform:uppercase;text-align:center;border:3px double currentColor;border-radius:var(--r-md);padding:12px 8px;margin:6px 0 14px;transform:rotate(-2deg);transition:color .3s}
.stamp small{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;font-weight:500;margin-top:4px;opacity:.85}
.stamp.hold{color:var(--bad)}
.stamp.cond{color:var(--warn)}
.stamp.release{color:var(--ok)}
.stamp.pop{animation:pop .45s ease}
@keyframes pop{0%{transform:rotate(-2deg) scale(1)}40%{transform:rotate(-4deg) scale(1.06)}100%{transform:rotate(-2deg) scale(1)}}
.reasons{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-direction:column;gap:8px;font-size:13.5px}
.reasons li{display:grid;grid-template-columns:14px 1fr;gap:8px;color:var(--ink-2)}
.reasons li::before{content:"";width:8px;height:8px;border-radius:50%;margin-top:7px;background:var(--none)}
.reasons li.bad::before{background:var(--bad)}
.reasons li.warn::before{background:var(--warn)}
.reasons li.ok::before{background:var(--ok)}
.tally{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:0 0 12px;text-align:center}
.tally div{background:var(--paper);border-radius:var(--r-sm);padding:6px 2px}
.tally dt{font-size:10px;font-family:var(--mono);color:var(--ink-3);text-transform:uppercase;letter-spacing:.04em}
.tally dd{margin:0;font-family:var(--serif);font-size:20px;font-weight:600}
.fine{font-size:12px;color:var(--ink-3);margin:0;font-style:italic;font-family:var(--serif)}

/* capstone */
.timeline{display:flex;flex-direction:column;gap:0;position:relative}
.cp{display:grid;grid-template-columns:56px 1fr;gap:14px;padding:0 0 18px;position:relative}
.cp::before{content:"";position:absolute;left:27px;top:44px;bottom:0;width:1px;background:var(--rule-2)}
.cp:last-child::before{display:none}
.cp-badge{width:56px;height:56px;border-radius:50%;border:1.5px solid var(--ink);display:grid;place-items:center;font-family:var(--serif);font-size:22px;font-weight:700;background:var(--card)}
.cp.current .cp-badge{background:var(--ink);color:var(--paper)}
.cp .block{margin-bottom:0}
.cp h3{font-size:17px}
.cp .wk{font-family:var(--mono);font-size:11px;color:var(--ink-3)}

/* sheet & toast */
.sheet{position:fixed;inset:0;background:rgba(20,15,10,.42);display:grid;place-items:center;z-index:60;padding:16px}
.sheet[hidden]{display:none}
.sheet-card{background:var(--card);border-radius:var(--r-lg);width:min(560px,100%);max-height:88vh;overflow:auto;padding:20px 22px;box-shadow:0 20px 60px rgba(0,0,0,.25);animation:rise .22s ease}
@keyframes rise{from{transform:translateY(12px);opacity:0}to{transform:none;opacity:1}}
.sheet-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.sheet-head h2{font-size:22px}
.opt{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 0;border-top:1px solid var(--rule)}
.opt p{margin:2px 0 0;color:var(--ink-3);font-size:13px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:var(--r-md);font-size:14px;opacity:0;pointer-events:none;transition:all .25s ease;z-index:70}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.desk-actions{display:none;gap:8px;margin-top:14px}
.nav-foot{display:flex;justify-content:space-between;gap:12px;margin-top:8px}
footer.page-foot{grid-column:1/-1;color:var(--ink-3);font-size:12.5px;padding-top:24px}
footer.page-foot a{color:inherit}

@media (max-width:1180px){
  .shell{grid-template-columns:200px minmax(0,1fr)}
  .ledger{grid-column:1/-1;position:static;order:3}
  .ledger-inner{display:grid;grid-template-columns:220px 1fr;gap:6px 22px;align-items:start}
  .ledger-inner .eyebrow{grid-column:1/-1}
  .stamp{grid-row:span 3}
}
@media (max-width:820px){
  .shell{grid-template-columns:1fr;padding-top:12px}
  .rail{position:sticky;top:64px;z-index:10;background:var(--paper);margin:0 -16px;padding:6px 16px;border-bottom:1px solid var(--rule)}
  .rail ol{flex-direction:row;overflow-x:auto;gap:4px;scrollbar-width:none;max-width:100%}
  .ledger{min-width:0}
  .desk-actions{display:flex!important}
  .rail ol::-webkit-scrollbar{display:none}
  .rail .group{display:none}
  .rail a{grid-template-columns:auto auto;white-space:nowrap;padding:6px 10px}
  .rail a .dot{display:none}
  .grid2{grid-template-columns:1fr}
  .desk-hero{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .card.w3,.card.w2,.card.w4{grid-column:span 1}
  .scale{grid-template-columns:1fr 1fr}
  .ledger-inner{display:block}
  .top .btn.ghost{display:none}
  .tasks thead{display:none}
  .tasks,.tasks tbody,.tasks tr,.tasks td{display:block;width:100%!important}
  .tasks tr{border:1px solid var(--rule);border-radius:var(--r-md);padding:8px;margin-bottom:10px;background:var(--paper)}
  .tasks td{border:0;padding:4px}
  .tasks td::before{content:attr(data-label);display:block;font-size:11px;font-family:var(--mono);color:var(--ink-3);text-transform:uppercase;margin-bottom:2px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media print{
  .top,.rail,.sheet,.toast,.desk-actions{display:none;gap:8px;margin-top:14px}
.nav-foot{display:none!important}
  .shell{display:block}
  .block,.ledger-inner{box-shadow:none;break-inside:avoid}
}

.lib{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.libcard{appearance:none;text-align:left;border:1px solid var(--rule-2);background:var(--paper);border-radius:var(--r-md);padding:14px 16px;cursor:pointer;display:flex;flex-direction:column;gap:4px;transition:border-color .15s,transform .15s}
.libcard:hover{border-color:var(--ink);transform:translateY(-1px)}
.libcard .k{font-family:var(--mono);font-size:11px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em}
.libcard strong{font-family:var(--serif);font-size:16.5px}
.libcard span:last-child{font-size:13px;color:var(--ink-2)}
@media (max-width:820px){.lib{grid-template-columns:1fr}}