/* Layout: a filing-review ledger — summary strip, method rail, then a claim index beside a working "evidence sheet". */
:root{
  --bg:#f3f5f7; --sheet:#ffffff; --ink:#18212b; --muted:#5b6876; --rule:#d5dce3; --wash:#e8edf2;
  --accent:#1d5a86; --accent-wash:#dbe8f2;
  --ok:#1f7a4d; --ok-wash:#dcefe4; --bad:#b23a32; --bad-wash:#f6dfdc; --warn:#9a6a10; --warn-wash:#f5ead2;
  --hl:#fff1b8; --hl-ink:#3b2f00;
  --f-display:"IBM Plex Sans Condensed","Noto Sans TC",system-ui,sans-serif;
  --f-body:"Noto Sans TC","IBM Plex Sans",system-ui,-apple-system,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#11161c; --sheet:#182029; --ink:#e3e9ef; --muted:#97a5b3; --rule:#2c3743; --wash:#1f2933;
  --accent:#7fb6dd; --accent-wash:#1d3346;
  --ok:#6cc799; --ok-wash:#173528; --bad:#ec8a80; --bad-wash:#3d1f1c; --warn:#e2b55a; --warn-wash:#3a2d12;
  --hl:#5a4b10; --hl-ink:#fff3c4; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#11161c; --sheet:#182029; --ink:#e3e9ef; --muted:#97a5b3; --rule:#2c3743; --wash:#1f2933;
  --accent:#7fb6dd; --accent-wash:#1d3346;
  --ok:#6cc799; --ok-wash:#173528; --bad:#ec8a80; --bad-wash:#3d1f1c; --warn:#e2b55a; --warn-wash:#3a2d12;
  --hl:#5a4b10; --hl-ink:#fff3c4; color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.6}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:28px 64px;display:grid;gap:36px}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.2}
h1{font-size:clamp(28px,4vw,40px);font-weight:700;letter-spacing:-.01em}
h2{font-size:22px;font-weight:600}
h3{font-size:16px;font-weight:600}
p{margin:0}
.mono,.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.eyebrow{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.lede{color:var(--muted);max-width:68ch}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
section{display:grid;gap:14px}
.sheet{background:var(--sheet);border:1px solid var(--rule);border-radius:6px}

/* header */
header{display:grid;gap:12px}
.thesis{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:6px;overflow:hidden}
.thesis div{background:var(--sheet);padding:14px 16px;display:grid;gap:2px}
.thesis .big{font-family:var(--f-mono);font-size:28px;font-weight:600;font-variant-numeric:tabular-nums}
.thesis .big .from{color:var(--muted);font-weight:400}
.thesis small{color:var(--muted);font-size:12.5px}

/* method rail */
.rail{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;counter-reset:step}
.rail li{list-style:none;padding:14px 14px 14px 0;border-top:3px solid var(--rule);display:grid;gap:4px;align-content:start}
.rail li.prog{border-top-color:var(--accent)}
.rail li b{font-family:var(--f-display);font-size:15px}
.rail li span{font-size:13px;color:var(--muted)}
.rail li .who{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase}
.rail li.prog .who{color:var(--accent)}
.rail ol,.rail{margin:0;padding:0}
@media (max-width:760px){.rail{grid-template-columns:1fr 1fr}}
@media (max-width:440px){.rail{grid-template-columns:1fr}}

/* systems */
.systems{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.prov{padding:16px;display:grid;gap:12px}
.prov header{display:flex;justify-content:space-between;gap:8px;align-items:baseline;flex-wrap:wrap}
.prov .model{font-family:var(--f-mono);font-size:11.5px;color:var(--muted)}
.bar{display:grid;grid-template-columns:72px minmax(0,1fr) 108px;gap:10px;align-items:center;font-size:13px}
.track{position:relative;height:18px;background:var(--wash);border-radius:3px}
.fill{position:absolute;inset:0 auto 0 0;border-radius:3px}
.fill.ss{background:var(--muted);opacity:.55}
.fill.ag{background:var(--ok)}
.ci{position:absolute;top:50%;height:2px;background:var(--ink);transform:translateY(-50%)}
.ci::before,.ci::after{content:"";position:absolute;top:-4px;width:2px;height:10px;background:var(--ink)}
.ci::before{left:0}.ci::after{right:0}
.delta{font-size:13px;color:var(--muted)}
.delta b{color:var(--ok);font-family:var(--f-mono)}
.kv{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;font-size:12px;color:var(--muted)}
.kv div{display:grid}
.kv b{font-family:var(--f-mono);font-size:13.5px;color:var(--ink);font-weight:500}

/* tables */
.scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{padding:7px 10px;text-align:left;border-bottom:1px solid var(--rule);white-space:nowrap}
th{font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500}
td.cell{font-family:var(--f-mono);font-variant-numeric:tabular-nums;text-align:center}
.heat-note{font-size:12.5px;color:var(--muted)}

/* The post-hoc check stays separate from all v2 charts. */
.posthoc{padding:18px 20px;gap:10px}
.posthoc-key{font-size:12px;color:var(--muted)}
.posthoc table{table-layout:fixed}
.posthoc th,.posthoc td{padding:8px 4px;white-space:normal;text-transform:none;letter-spacing:0}
.posthoc thead th{font-family:var(--f-body)}
.posthoc tbody th{font-family:var(--f-body);font-size:13px;color:var(--ink)}
.posthoc th:first-child,.posthoc td:first-child{padding-left:0;width:26%}
.posthoc th:nth-child(2),.posthoc td:nth-child(2){width:43%}
.posthoc th:not(:first-child),.posthoc td{text-align:right}
.posthoc td{font-variant-numeric:tabular-nums;white-space:nowrap}
.posthoc-note{font-size:13.5px;line-height:1.7}
@media(max-width:440px){.posthoc{padding:16px 12px}.posthoc table{font-size:12px}}

/* explorer */
.explorer{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:14px;align-items:start}
@media (max-width:900px){.explorer{grid-template-columns:1fr}}
.filters{display:flex;flex-wrap:wrap;gap:8px;padding:12px;border-bottom:1px solid var(--rule)}
.filters select,.filters input{font:inherit;font-size:13px;padding:6px 8px;border:1px solid var(--rule);border-radius:4px;background:var(--sheet);color:var(--ink);min-width:0}
.filters input{flex:1 1 140px}
.count{font-size:12px;color:var(--muted);padding:8px 12px;border-bottom:1px solid var(--rule)}
.list{max-height:720px;overflow:auto}
.row{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 10px;padding:10px 12px;border-bottom:1px solid var(--rule);cursor:pointer;background:none;border-left:0;border-right:0;border-top:0;width:100%;text-align:left;font:inherit;color:inherit}
.row:hover{background:var(--wash)}
.row[aria-current="true"]{background:var(--accent-wash)}
.row .rid{font-family:var(--f-mono);font-size:11.5px;color:var(--muted);padding-top:2px}
.row .rtext{font-size:13.5px;line-height:1.45}
.dots{grid-column:2;display:flex;gap:3px}
.dot{width:9px;height:9px;border-radius:2px;background:var(--rule)}
.dot.y{background:var(--ok)}.dot.n{background:var(--bad)}
.dot.ss{opacity:.5}

.detail{padding:20px;display:grid;gap:20px;min-width:0}
.claimtext{font-size:20px;line-height:1.5;font-family:var(--f-body);font-weight:500}
mark.n{background:var(--hl);color:var(--hl-ink);padding:0 3px;border-radius:2px;font-family:var(--f-mono);font-size:.92em}
mark.p{background:var(--accent-wash);color:var(--ink);padding:0 3px;border-radius:2px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:12px;padding:2px 8px;border-radius:999px;background:var(--wash);color:var(--muted);font-family:var(--f-mono)}
.verdict{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:13px;padding:3px 10px;border-radius:4px}
.v-supported{background:var(--ok-wash);color:var(--ok)}
.v-contradicted{background:var(--bad-wash);color:var(--bad)}
.v-insufficient_evidence{background:var(--warn-wash);color:var(--warn)}
.v-none{background:var(--wash);color:var(--muted)}
.gold{display:grid;gap:6px;padding:12px 14px;background:var(--wash);border-radius:4px;font-size:13.5px}
.grid6{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}
.sys{border:1px solid var(--rule);border-radius:4px;padding:10px;display:grid;gap:6px;font-size:12.5px;cursor:pointer;background:var(--sheet);color:inherit;text-align:left;font-family:inherit}
.sys[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.sys .name{font-family:var(--f-mono);font-size:11px;color:var(--muted)}
.sys .mark{font-weight:700}
.sys .mark.y{color:var(--ok)}.sys .mark.n{color:var(--bad)}
.sys .meta{color:var(--muted);font-family:var(--f-mono);font-size:11px}
.rerun-change{font-size:12px;line-height:1.6;overflow-wrap:anywhere}
.run-switch{display:flex;flex-wrap:wrap;gap:8px}
.run-switch button{font:inherit;font-size:13px;padding:7px 12px;border:1px solid var(--rule);border-radius:4px;background:var(--sheet);color:var(--ink);cursor:pointer}
.run-switch button[aria-pressed="true"]{background:var(--accent-wash);border-color:var(--accent)}
.run-verdict{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px}
.steps{display:grid;gap:0;border-left:2px solid var(--rule);margin-left:6px}
.step{padding:6px 0 12px 16px;position:relative;display:grid;gap:3px;font-size:13.5px}
.step::before{content:"";position:absolute;left:-7px;top:11px;width:12px;height:12px;border-radius:50%;background:var(--sheet);border:2px solid var(--rule)}
.step.key::before{border-color:var(--accent);background:var(--accent)}
.step .lab{font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.step.key .lab{color:var(--accent)}
.step .val{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.decision{background:var(--hl);color:var(--hl-ink);padding:1px 4px;border-radius:2px}
.ev{border:1px solid var(--rule);border-radius:4px;overflow:hidden}
.ev .evh{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;padding:8px 12px;background:var(--wash);font-size:12.5px}
.ev dl{margin:0;display:grid;grid-template-columns:max-content minmax(0,1fr);gap:4px 14px;padding:10px 12px;font-size:12.5px}
.ev dt{color:var(--muted)}
.ev dd{margin:0;font-family:var(--f-mono);overflow-wrap:anywhere}
.quote{border-left:3px solid var(--accent);padding:6px 12px;display:grid;gap:4px;font-size:13px}
.summary{font-size:13px;color:var(--muted)}
.tier{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.tier .sheet{padding:14px;display:grid;gap:8px}
.stack{display:flex;height:14px;border-radius:3px;overflow:hidden}
.stack i{display:block}
.legend{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--muted)}
.legend span{display:inline-flex;gap:6px;align-items:center}
.legend i{width:10px;height:10px;border-radius:2px;display:inline-block}
.notes{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.notes .sheet{padding:14px;display:grid;gap:6px;font-size:13.5px}
.notes .sheet p{color:var(--muted)}
footer{font-size:12px;color:var(--muted)}
@media (prefers-reduced-motion:no-preference){.fill{transition:width .5s ease}}

/* Keep phone controls comfortable without adding button chrome. */
@media (max-width:640px){
  a{display:inline-flex;align-items:center;min-height:44px}
  button,input,select,summary{min-height:44px}
}