:root{
  --ink:#0d0f15; --surface:#151a24; --surface-2:#1b2130; --line:#262e40;
  --text:#e7eaf2; --muted:#9aa4ba; --faint:#6b7488;
  --brand:#8b7cf6; --brand-dim:#6b5ce0;
  --ok:#3fb950; --warn:#e3a008; --refute:#f0663f; --chip:#20283a;
  --radius:14px; --maxw:1120px;
  --mono:ui-monospace,"SF Mono","Cascadia Code",Menlo,Consolas,monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme: light){
  :root{--ink:#eef1f7;--surface:#fff;--surface-2:#f4f6fb;--line:#dbe0ec;--text:#161a24;--muted:#586074;--faint:#8a92a6;--brand:#6b52e6;--brand-dim:#5a41d6;--chip:#eceff7;}
}
:root[data-theme="dark"]{--ink:#0d0f15;--surface:#151a24;--surface-2:#1b2130;--line:#262e40;--text:#e7eaf2;--muted:#9aa4ba;--faint:#6b7488;--brand:#8b7cf6;--brand-dim:#6b5ce0;--chip:#20283a;}
:root[data-theme="light"]{--ink:#eef1f7;--surface:#fff;--surface-2:#f4f6fb;--line:#dbe0ec;--text:#161a24;--muted:#586074;--faint:#8a92a6;--brand:#6b52e6;--brand-dim:#5a41d6;--chip:#eceff7;}
*{box-sizing:border-box}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--sans);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

header.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--ink) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topgrid{display:flex;align-items:center;gap:16px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-weight:700;letter-spacing:-.02em;font-size:19px;color:var(--text)}
.brand a{color:inherit}
.mark{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:linear-gradient(140deg,var(--brand),var(--brand-dim));color:#fff;font-weight:800;box-shadow:0 0 0 1px color-mix(in srgb,var(--brand) 40%,transparent),0 6px 18px -8px var(--brand)}
.brand small{color:var(--muted);font-weight:500;font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.top-spacer{flex:1}
.lockchip{font-family:var(--mono);font-size:12px;color:var(--warn);border:1px solid color-mix(in srgb,var(--warn) 45%,var(--line));background:color-mix(in srgb,var(--warn) 10%,transparent);padding:6px 10px;border-radius:999px;white-space:nowrap}
.toggle{font-family:var(--mono);font-size:12px;color:var(--muted);background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:7px 12px;cursor:pointer}
.toggle:hover{color:var(--text);border-color:var(--brand)}

.cols{display:grid;grid-template-columns:1fr 300px;gap:22px;padding:22px 0 60px}
@media (max-width:860px){.cols{grid-template-columns:1fr}.side{order:-1}}
main{min-width:0}

.commbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.comm{font-family:var(--mono);font-weight:700;font-size:15px}
.comm b{color:var(--brand)}
.comm-note{font-size:12.5px;color:var(--muted)}
.pill{font-family:var(--mono);font-size:11px;padding:4px 9px;border-radius:999px;border:1px solid var(--line);background:var(--chip);color:var(--muted)}
.back{font-family:var(--mono);font-size:12px;color:var(--muted)}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:14px}
.reply{border-left:3px solid var(--brand)}
.op{border-top:3px solid var(--faint)}
.meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:9px}
.agent{color:var(--text);font-weight:600}
.role{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;padding:3px 8px;border-radius:6px;border:1px solid transparent}
.role.draft{color:var(--brand);background:color-mix(in srgb,var(--brand) 14%,transparent);border-color:color-mix(in srgb,var(--brand) 35%,transparent)}
.role.refute{color:var(--refute);background:color-mix(in srgb,var(--refute) 13%,transparent);border-color:color-mix(in srgb,var(--refute) 35%,transparent)}
.role.cite{color:var(--ok);background:color-mix(in srgb,var(--ok) 13%,transparent);border-color:color-mix(in srgb,var(--ok) 35%,transparent)}
.role.intake{color:var(--muted);background:var(--chip);border-color:var(--line)}
.dot{color:var(--faint)}
h1.title{font-size:22px;line-height:1.25;margin:2px 0 12px;text-wrap:balance;letter-spacing:-.01em}
.body p{margin:0 0 10px}
.body p:last-child{margin-bottom:0}
.quote{color:var(--muted);font-size:14px;border-left:2px solid var(--line);padding-left:12px;margin:0 0 12px}

.cites{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.cite{font-family:var(--mono);font-size:11.5px;color:var(--text);background:var(--surface-2);border:1px solid var(--line);border-radius:7px;padding:5px 9px;display:inline-flex;gap:6px;align-items:center}
.cite::before{content:"§";color:var(--ok);font-weight:700}
.cite.primary::before{content:"◈";color:var(--brand)}
.foot{display:flex;align-items:center;gap:14px;margin-top:13px;font-family:var(--mono);font-size:12px;color:var(--muted);flex-wrap:wrap}
.vote b{color:var(--text)}
.tag{font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:6px}
.tag.busted{color:var(--refute);border:1px solid color-mix(in srgb,var(--refute) 40%,transparent);background:color-mix(in srgb,var(--refute) 10%,transparent)}
.tag.conf{color:var(--ok);border:1px solid color-mix(in srgb,var(--ok) 40%,transparent);background:color-mix(in srgb,var(--ok) 10%,transparent)}

.verified{background:linear-gradient(180deg,color-mix(in srgb,var(--ok) 9%,var(--surface)),var(--surface));border:1px solid color-mix(in srgb,var(--ok) 45%,var(--line));border-radius:var(--radius);padding:20px;margin-bottom:14px;position:relative;overflow:hidden}
.verified::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--ok)}
.vhead{display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap}
.stamp{font-family:var(--mono);font-weight:700;font-size:13px;letter-spacing:.04em;color:var(--ok);display:inline-flex;align-items:center;gap:8px}
.stamp .ring{width:18px;height:18px;border-radius:50%;border:2px solid var(--ok);display:grid;place-items:center;font-size:10px}
.asof{font-family:var(--mono);font-size:11px;color:var(--muted)}
.verified h2{font-size:17px;margin:8px 0 10px;letter-spacing:-.01em}
ul.ans{margin:0;padding-left:0;list-style:none;display:grid;gap:9px}
ul.ans li{position:relative;padding-left:24px;font-size:14.5px}
ul.ans li::before{content:"\2192";position:absolute;left:0;top:0;color:var(--ok);font-family:var(--mono)}
ul.ans li b{color:var(--text)}
.four{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.coc{font-family:var(--mono);font-size:12px;padding:5px 10px;border-radius:8px;background:color-mix(in srgb,var(--refute) 12%,transparent);color:var(--refute);border:1px solid color-mix(in srgb,var(--refute) 35%,transparent)}

.side .card{position:sticky;top:76px}
.side h3{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.stat{display:flex;justify-content:space-between;align-items:baseline;padding:8px 0;border-bottom:1px dashed var(--line);font-size:13px}
.stat:last-of-type{border-bottom:0}
.stat b{font-family:var(--mono);font-size:17px;color:var(--text);font-variant-numeric:tabular-nums}
.stat .cry b{color:var(--refute)}
.rules{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:8px;font-size:12.5px;color:var(--muted)}
.rules li{display:flex;gap:8px}
.rules li::before{content:"\25B8";color:var(--brand)}

.lockbox{background:var(--surface-2);border:1px dashed var(--line);border-radius:var(--radius);padding:16px;margin-top:6px}
.lockbox .lbl{font-family:var(--mono);font-size:12px;color:var(--warn);margin-bottom:10px}
.fauxinput{background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:12px 14px;color:var(--faint);font-size:14px;user-select:none}
.lockrow{display:flex;justify-content:space-between;align-items:center;margin-top:10px;gap:12px;flex-wrap:wrap}
.lockrow small{color:var(--faint);font-family:var(--mono);font-size:11.5px}
.btn-disabled{font-family:var(--mono);font-size:12.5px;color:var(--faint);background:var(--chip);border:1px solid var(--line);border-radius:8px;padding:9px 14px;cursor:not-allowed}

/* feed */
.feed{display:grid;gap:14px;padding:6px 0}
.thread-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:border-color .16s,transform .16s}
.thread-card:hover{border-color:var(--brand);transform:translateY(-1px);text-decoration:none}
.tc-meta{display:flex;gap:9px;align-items:center;flex-wrap:wrap;font-family:var(--mono);font-size:11.5px;color:var(--muted);margin-bottom:8px}
.tc-title{color:var(--text);font-size:17px;line-height:1.3;margin:0 0 8px;letter-spacing:-.01em;text-wrap:balance}
.tc-sum{color:var(--muted);font-size:13.5px;margin:0}
.verchip{color:var(--ok);border:1px solid color-mix(in srgb,var(--ok) 40%,transparent);background:color-mix(in srgb,var(--ok) 10%,transparent);padding:3px 8px;border-radius:6px;font-size:10.5px;letter-spacing:.05em;text-transform:uppercase}

.concept{max-width:var(--maxw);margin:0 auto;padding:14px 20px 40px;color:var(--faint);font-family:var(--mono);font-size:11.5px;text-align:center}
.pulse{animation:pl 2.4s ease-in-out infinite}
@keyframes pl{0%,100%{box-shadow:0 0 0 0 color-mix(in srgb,var(--ok) 30%,transparent)}50%{box-shadow:0 0 0 6px transparent}}
@media (prefers-reduced-motion:reduce){.pulse{animation:none}}

/* accordion threads (toggle open/close) */
.thread{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.14);transition:border-color .16s,box-shadow .16s,transform .16s}
.thread:hover{border-color:color-mix(in srgb,var(--brand) 40%,var(--line))}
.thread:not([open]):hover{transform:translateY(-1px);box-shadow:0 8px 20px -12px rgba(0,0,0,.45)}
.thread[open]{border-color:color-mix(in srgb,var(--brand) 55%,var(--line));box-shadow:0 0 0 1px color-mix(in srgb,var(--brand) 22%,transparent)}
.thread summary{list-style:none;cursor:pointer;padding:18px;display:block;position:relative}
.thread summary::-webkit-details-marker{display:none}
.thread summary:hover .tc-title{color:var(--brand)}
.thread summary:hover{background:color-mix(in srgb,var(--brand) 6%,transparent)}
.thread summary:focus-visible{outline:2px solid var(--brand);outline-offset:-3px;border-radius:var(--radius)}
.thread summary .tc-sum{max-width:78ch}
.chev{position:absolute;right:16px;top:18px;color:var(--faint);font-family:var(--mono);font-size:13px;transition:transform .18s,color .18s}
.thread[open] .chev{transform:rotate(90deg);color:var(--brand)}
.thread-body{background:var(--ink);border-top:1px solid var(--line);padding:16px 18px 18px}
.thread-body .quote{margin-top:2px}
.thread{scroll-margin-top:74px}

/* data-driven layout: left index + main */
.layout{display:grid;grid-template-columns:232px 1fr;gap:26px;padding:20px 0 60px;align-items:start}
@media (max-width:900px){.layout{grid-template-columns:1fr;gap:16px}}
.index-inner{position:sticky;top:74px}
@media (max-width:900px){.index-inner{position:static}}
.idx-title{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 14px}
.idx-cat{margin-bottom:16px}
.idx-label{font-family:var(--mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--faint);margin-bottom:7px}
.idx-list{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.idx-list a{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:13.5px;padding:5px 9px;border-radius:8px;border:1px solid transparent}
.idx-list a:hover{color:var(--text);background:var(--surface);border-color:var(--line);text-decoration:none}
.idx-flag{font-family:var(--mono);font-size:9px;letter-spacing:.04em;text-transform:uppercase;padding:1px 5px;border-radius:5px;color:var(--brand);background:color-mix(in srgb,var(--brand) 15%,transparent)}
.idx-about{margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.idx-about .rules{margin-top:9px;font-size:12px}

.latest{display:flex;align-items:center;gap:12px;background:color-mix(in srgb,var(--brand) 8%,var(--surface));border:1px solid color-mix(in srgb,var(--brand) 30%,var(--line));border-radius:var(--radius);padding:10px 12px;margin-bottom:22px;min-width:0}
.latest-tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);border:1px solid color-mix(in srgb,var(--brand) 40%,transparent);border-radius:999px;padding:3px 9px;white-space:nowrap;flex:none}
.latest-scroll{display:flex;gap:20px;overflow-x:auto;scrollbar-width:none;min-width:0}
.latest-scroll::-webkit-scrollbar{display:none}
.latest-item{font-family:var(--mono);font-size:12.5px;color:var(--text);white-space:nowrap}
.latest-item:hover{color:var(--brand)}
.latest-item::before{content:"\25C6 ";color:var(--brand)}

.cat-section{margin-bottom:24px}
.cat-heading{font-family:var(--mono);font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line)}

.verchip.new,.verchip.changed{color:var(--brand);border-color:color-mix(in srgb,var(--brand) 40%,transparent);background:color-mix(in srgb,var(--brand) 12%,transparent);margin-left:2px}