/* Bone paper and ink, with one accent that means "reviewed".
   The register is the review bench, not the boardroom: ruled columns, tabular
   figures, hairlines at one device pixel. Precise rather than expensive. */
:root{
  --paper:#F4F2ED; --panel:#FBFAF7; --ink:#14171A; --soft:#5A6068;
  --rule:#D6D2C8; --rule-2:#B9B3A6; --accent:#1F5C4D; --accent-tint:rgba(31,92,77,.08);
  --amber:#8A5A12; --amber-tint:rgba(138,90,18,.07);
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --sans:"Instrument Sans",system-ui,sans-serif;
  --serif:"Newsreader",Georgia,serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans);
     -webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
a{color:inherit}

.bar{display:flex;align-items:center;gap:28px;padding:0 24px;height:56px;
     border-bottom:1px solid var(--rule);background:var(--panel);position:sticky;top:0;z-index:10}
.firm{font-family:var(--serif);font-size:19px;text-decoration:none;letter-spacing:-.01em}
.bar nav{display:flex;gap:22px;margin-left:auto}
.bar nav a{font-size:14px;text-decoration:none;color:var(--soft);padding:4px 0;border-bottom:2px solid transparent}
.bar nav a.on{color:var(--ink);border-bottom-color:var(--accent)}
.chip{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
      color:var(--soft);background:none;border:1px solid var(--rule-2);border-radius:2px;
      padding:4px 9px;cursor:pointer}
.chip:hover{color:var(--ink)}

dialog{border:1px solid var(--rule-2);background:var(--panel);max-width:520px;padding:30px 32px;
       box-shadow:0 24px 60px rgba(0,0,0,.18)}
dialog::backdrop{background:rgba(20,23,26,.55)}
dialog h2{font-family:var(--serif);font-weight:500;font-size:25px;margin:0 0 14px;letter-spacing:-.01em}
dialog p{margin:0 0 18px;color:var(--soft);font-size:15.5px}
.fine{font-family:var(--mono);font-size:11.5px;color:var(--soft);margin:14px 0 0}
button.primary{font:500 15px var(--sans);background:var(--accent);color:#fff;border:0;
               padding:11px 20px;border-radius:2px;cursor:pointer}

main{max-width:1180px;margin:0 auto;padding:34px 24px 80px}
h1{font-family:var(--serif);font-weight:500;font-size:27px;margin:0 0 6px;letter-spacing:-.01em}
.sub{color:var(--soft);font-size:14.5px;margin:0 0 26px}
.mono{font-family:var(--mono)}
.k{font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--soft)}

/* ---- review ---- */
.review{display:grid;grid-template-columns:210px minmax(0,1fr) 330px;gap:0;
        border:1px solid var(--rule);background:var(--panel);min-height:520px}
.rail{border-right:1px solid var(--rule);padding:20px 18px;font-size:13.5px}
.rail ol{list-style:none;margin:10px 0 0;padding:0}
.rail li{padding:5px 0;color:var(--soft);display:flex;justify-content:space-between;gap:8px}
.rail li.on{color:var(--ink);font-weight:600}
.rail .tally{margin-top:22px;padding-top:16px;border-top:1px solid var(--rule);line-height:1.9}
.rail .tally b{font-family:var(--mono);font-weight:500}
.card{padding:28px 30px;display:flex;flex-direction:column}
.claim{font-size:21px;line-height:1.4;margin:0 0 20px;max-width:52ch}

/* The verdict. Three words, and only the third one is allowed to be loud:
   "new" is the common case and must not compete with the claim for attention,
   while "contradiction" is the one card in the batch a reviewer must not skim
   past. Colour carries emphasis, never meaning on its own - the word is the
   word, and it is legible with the colour removed. */
.cardhead{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.verdict{font:500 11px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;
  padding:5px 9px;border:1px solid var(--rule-2);color:var(--soft);border-radius:2px;
  white-space:nowrap}
.verdict.v-refinement{color:var(--accent);border-color:var(--accent);background:var(--accent-tint)}
.verdict.v-contradiction{color:var(--amber);border-color:var(--amber);background:var(--amber-tint)}

/* The evidence behind the word. A reviewer who is only told the verdict has to
   take our word for it; one who is shown the note it collided with can
   disagree with us, which is the entire point of the review gate. */
.related{margin:0 0 20px;display:flex;flex-direction:column;gap:10px}
.rel{display:grid;gap:3px;padding:11px 13px;border:1px solid var(--rule);
  border-left:2px solid var(--rule-2);background:var(--panel);border-radius:2px}
.rel-contradiction{border-left-color:var(--amber)}
.rel-refinement{border-left-color:var(--accent)}
.rel-k{font:500 10.5px/1 var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--soft)}
.rel-claim{font-size:14.5px;line-height:1.45}
.rel-why{font-size:13.5px;color:var(--soft);line-height:1.45}
.rel-meta{font-size:11.5px;color:var(--soft)}

.claim[contenteditable="true"]{outline:2px solid var(--accent);outline-offset:6px;border-radius:2px}
.row{display:grid;grid-template-columns:84px 1fr;gap:14px;padding:9px 0;border-top:1px solid var(--rule);align-items:baseline}
.row .v{font-size:14.5px;color:var(--soft)}
.src{border-left:1px solid var(--rule);padding:20px 20px;background:#fff;font-size:13.5px}
.src .quote{margin-top:12px;line-height:1.65}
.src .quote mark{background:var(--accent-tint);padding:1px 0;box-decoration-break:clone}
.src .dim{color:var(--soft)}
.keys{margin-top:auto;padding-top:20px;border-top:1px solid var(--rule);
      font-family:var(--mono);font-size:11.5px;color:var(--soft);display:flex;gap:16px;flex-wrap:wrap}
.keys kbd{border:1px solid var(--rule-2);border-radius:2px;padding:1px 5px;background:var(--paper)}
.done{padding:60px 30px;text-align:center}

/* ---- ask ---- */
.askwrap{display:grid;grid-template-columns:minmax(0,680px) 1fr;gap:34px;align-items:start}
.askbox{display:flex;gap:0;border:1px solid var(--rule-2);background:var(--panel)}
.askbox input{flex:1;border:0;background:none;padding:15px 16px;font:16px var(--sans);color:var(--ink)}
.askbox input:focus{outline:none}
.askbox button{border:0;background:var(--accent);color:#fff;padding:0 20px;font:500 14px var(--sans);cursor:pointer}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:22px}
.grid button{background:var(--panel);border:0;text-align:left;padding:16px 18px;cursor:pointer;font:inherit}
.grid button:hover{background:#fff}
.grid .k{display:block;margin-bottom:6px}
.answer{margin-top:26px;border:1px solid var(--rule);background:var(--panel);padding:26px 28px}
.answer.gap{border-left:3px solid var(--amber);background:var(--amber-tint)}
.lead{font-size:19px;line-height:1.5;margin:0 0 16px}
.answer ul{margin:0 0 18px;padding-left:20px}
.answer li{margin-bottom:9px}
.diverge{border-left:2px solid var(--amber);padding:10px 0 10px 14px;margin:18px 0;color:var(--ink);font-size:15px}
.cites{margin-top:20px;border-top:1px solid var(--rule);padding-top:14px;display:grid;gap:8px}
.cite{display:grid;grid-template-columns:22px 1fr;gap:10px;font-size:13.5px;cursor:pointer;
      padding:6px 8px;margin:0 -8px;border-radius:2px}
.cite:hover{background:#fff}
.cite .n{font-family:var(--mono);color:var(--accent)}
.cite .meta{color:var(--soft);font-size:12.5px}
.coverage{font-family:var(--mono);font-size:11.5px;color:var(--soft);margin-top:16px;line-height:1.7}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;min-height:26px}
.srcchip{font-family:var(--mono);font-size:11px;border:1px solid var(--rule-2);padding:3px 8px;
         border-radius:2px;color:var(--soft);background:var(--panel);animation:pop .22s ease}
@keyframes pop{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}
.follow{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.follow button{font:13px var(--sans);background:none;border:1px solid var(--rule-2);
               padding:6px 11px;border-radius:2px;cursor:pointer;color:var(--soft)}
.follow button:hover{color:var(--ink);border-color:var(--ink)}
.docpanel{position:sticky;top:80px;border:1px solid var(--rule);background:#fff;padding:20px;
          max-height:calc(100vh - 120px);overflow:auto;font-size:14px;line-height:1.65}
.docpanel h3{font-family:var(--serif);font-weight:500;font-size:17px;margin:0 0 4px}
.docpanel pre{white-space:pre-wrap;font:inherit;margin:14px 0 0}
.docpanel mark{background:var(--accent-tint)}

/* ---- sources ---- */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1px;
       background:var(--rule);border:1px solid var(--rule)}
.tile{background:var(--panel);padding:18px 20px}
.tile h3{margin:0 0 4px;font-size:15.5px;font-weight:600}
.tile .scope{color:var(--soft);font-size:13px;margin:0 0 12px;min-height:34px}
.tile .stat{font-family:var(--mono);font-size:12px;color:var(--ink)}
.tile .sim{font-family:var(--mono);font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--soft)}
table.perm{width:100%;border-collapse:collapse;margin-top:14px;font-size:14px}
table.perm th{text-align:left;font:500 10.5px var(--mono);letter-spacing:.09em;text-transform:uppercase;
              color:var(--soft);border-bottom:1px solid var(--rule-2);padding:8px 12px 8px 0}
table.perm td{border-bottom:1px solid var(--rule);padding:10px 12px 10px 0;vertical-align:top}
.notreq{margin-top:18px;padding:14px 16px;border:1px solid var(--rule);background:var(--panel)}
.notreq code{font-family:var(--mono);font-size:12.5px;color:var(--soft)}
.counter{display:flex;gap:34px;margin:22px 0 30px;padding:18px 20px;border:1px solid var(--rule);background:var(--panel)}
.counter div span{display:block;font-family:var(--mono);font-size:23px}
.counter div small{color:var(--soft);font-size:12px}
.ok{color:var(--accent)}

@media (max-width:900px){
  .review{grid-template-columns:1fr}
  .rail,.src{border:0;border-top:1px solid var(--rule)}
  .askwrap{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .docpanel{position:static;max-height:none}
}

/* Who is allowed to be here. Stated once, plainly, without a lock icon. */
.gate{display:flex;gap:14px;align-items:baseline;flex-wrap:wrap;margin:0 0 20px;
      padding:9px 14px;border:1px solid var(--rule-2);border-left:3px solid var(--accent);
      background:var(--panel);font-size:14px}
.gate .dim{color:var(--soft)}
.chip.role{border-color:var(--accent);color:var(--accent)}

/* The firm-side translation of an engineering fact. Quiet, but it is the reason
   a partner can read any of this. */
.mirror{border-left:2px solid var(--rule-2);padding:10px 0 10px 14px;margin:18px 0;
        color:var(--soft);font-size:15px;font-style:italic}
.mirror .k{font-style:normal}