/* shrov.com — shared styles. Same palette and type as the paper (public/paper/), which keeps its own inline copy. */
:root{
  --paper:#FAFAFB;--surface:#F1F3F6;--sunk:#EAEDF1;--ink:#131720;--muted:#565E6E;--faint:#878F9E;
  --rule:#E0E3E9;--rule-strong:#C6CBD4;--accent:#215B68;--accent-soft:#DBE8EA;--oxide:#973728;--oxide-soft:#F2E1DC;
  color-scheme:light dark;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0F1218;--surface:#161A22;--sunk:#1B2029;--ink:#E3E6EC;--muted:#99A1B1;--faint:#6A7383;
    --rule:#242A35;--rule-strong:#39414F;--accent:#71B7C1;--accent-soft:#15323A;--oxide:#D68169;--oxide-soft:#3A2019;
  }
}
:root[data-theme="dark"]{
  --paper:#0F1218;--surface:#161A22;--sunk:#1B2029;--ink:#E3E6EC;--muted:#99A1B1;--faint:#6A7383;
  --rule:#242A35;--rule-strong:#39414F;--accent:#71B7C1;--accent-soft:#15323A;--oxide:#D68169;--oxide-soft:#3A2019;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Spectral",Georgia,"Times New Roman",serif;
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased}
.mono,code,pre,table{font-family:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace}
a{color:var(--accent)}
strong{font-weight:600}
p{margin:0 0 15px;max-width:64ch}
ul,ol{max-width:64ch;padding-left:20px;margin:0 0 16px}
li{margin-bottom:8px}
li::marker{color:var(--faint)}
code{font-size:.86em;background:var(--sunk);padding:1px 5px;border-radius:2px}
pre{background:var(--surface);border-left:2px solid var(--rule-strong);padding:14px 18px;overflow-x:auto;font-size:13px;line-height:1.55;max-width:80ch}
pre code{background:none;padding:0;font-size:inherit}
blockquote{margin:22px 0;padding:4px 0 4px 22px;border-left:2px solid var(--accent);color:var(--muted);max-width:62ch}
blockquote p{margin:0}

.wrap{max-width:1000px;margin:0 auto;padding:0 28px 110px}

/* nav */
nav.site{max-width:1000px;margin:0 auto;padding:18px 28px 0;display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.06em}
nav.site a{color:var(--muted);text-decoration:none}
nav.site a:hover,nav.site a[aria-current]{color:var(--accent)}
nav.site .mark{color:var(--ink);font-weight:600;letter-spacing:.14em;text-transform:uppercase}
nav.site span{display:flex;gap:20px}

/* masthead */
.mast{border-bottom:2px solid var(--ink);padding:56px 0 28px;margin-bottom:8px}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 22px}
h1{font-weight:600;font-size:clamp(2.3rem,6vw,3.6rem);line-height:1.04;letter-spacing:-.022em;margin:0 0 18px;text-wrap:balance}
.deck{font-size:1.19rem;line-height:1.5;color:var(--muted);font-weight:300;max-width:58ch;margin:0}

/* sections */
section{padding-top:50px}
.sechead{border-top:1px solid var(--rule-strong);padding-top:14px;margin-bottom:22px}
.label{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600;margin:0 0 6px}
h2{font-size:1.65rem;font-weight:600;letter-spacing:-.014em;margin:0;line-height:1.16;text-wrap:balance}
h3{font-size:1.08rem;font-weight:600;margin:34px 0 10px;letter-spacing:-.005em}

/* feature card */
.feature{display:block;text-decoration:none;color:inherit;border:1px solid var(--rule-strong);background:var(--surface);padding:28px 30px 24px;margin:6px 0 0;transition:border-color .15s}
.feature:hover{border-color:var(--accent)}
.feature h3{font-size:1.6rem;margin:0 0 8px;line-height:1.15;letter-spacing:-.015em}
.feature p{color:var(--muted);margin:0 0 4px}
.more{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.06em;color:var(--accent);margin-top:16px;display:inline-block}

/* number strip */
.strip{display:flex;flex-wrap:wrap;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);margin:22px 0 4px}
.strip>div{flex:1 1 150px;padding:15px 20px 15px 0}
.strip>div+div{padding-left:20px;border-left:1px solid var(--rule)}
.strip dt{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--faint);margin-bottom:7px}
.strip dd{margin:0;font-family:"IBM Plex Mono",monospace;font-size:1.5rem;font-weight:500;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.strip dd small{display:block;font-size:11.5px;color:var(--muted);font-weight:400;letter-spacing:0;margin-top:4px;font-family:"Spectral",serif}
.neg{color:var(--oxide)}

/* findings grid */
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:0;border-top:1px solid var(--rule)}
.grid3 article{padding:20px 22px 22px 0;border-bottom:1px solid var(--rule)}
.grid3 .num{font-family:"IBM Plex Mono",monospace;font-size:1.35rem;font-weight:500;color:var(--oxide);letter-spacing:-.02em;margin:0 0 6px}
.grid3 h3{margin:0 0 6px;font-size:1.05rem}
.grid3 p{font-size:15.5px;color:var(--muted);line-height:1.52;margin:0 0 8px}
.grid3 a{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.04em}

/* takeaways */
.take{list-style:none;padding:0;max-width:70ch;counter-reset:t}
.take li{display:grid;grid-template-columns:2.2rem 1fr;padding:14px 0;border-bottom:1px solid var(--rule);margin:0}
.take li::before{counter-increment:t;content:counter(t,decimal-leading-zero);font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--accent);font-weight:600;padding-top:5px}
.take b{display:block;font-weight:600;margin-bottom:2px}
.take span{color:var(--muted);font-size:15.5px;line-height:1.52}

.note{border:1px solid var(--rule-strong);background:var(--surface);padding:18px 22px;margin:24px 0;max-width:70ch}
.note p:last-child{margin-bottom:0}

/* tables (notebook) */
.tablewrap{overflow-x:auto;margin:20px 0 24px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;min-width:360px;font-size:13px;font-variant-numeric:tabular-nums}
th{text-align:right;font-weight:600;color:var(--muted);border-bottom:1px solid var(--ink);padding:7px 12px;font-size:11px;letter-spacing:.05em;text-transform:uppercase;white-space:nowrap}
td{text-align:right;padding:7px 12px;border-bottom:1px solid var(--rule);white-space:nowrap}
th:first-child,td:first-child{text-align:left;padding-left:0}
td code{background:none;padding:0}

/* notebook layout */
.nb{display:grid;grid-template-columns:1fr;gap:0 48px}
.nb .toc{font-family:"IBM Plex Mono",monospace;font-size:12px;line-height:1.45;margin:30px 0 0;padding:16px 18px;background:var(--surface);border:1px solid var(--rule)}
.nb .toc .h{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600;margin:0 0 10px}
.nb .toc ul{list-style:none;padding:0;margin:0}
.nb .toc li{margin:0 0 7px}
.nb .toc a{color:var(--muted);text-decoration:none}
.nb .toc a:hover{color:var(--accent)}
.nb .toc code{background:none;padding:0;font-size:inherit}
.nb article h2{border-top:1px solid var(--rule-strong);padding-top:14px;margin:54px 0 18px;scroll-margin-top:16px}
.nb article h3{scroll-margin-top:16px}
.nb article h2 code,.nb article h3 code{font-size:.72em;font-weight:500}
@media (min-width:1000px){
  .nb{grid-template-columns:230px minmax(0,1fr)}
  .nb .toc{position:sticky;top:18px;align-self:start;max-height:calc(100vh - 36px);overflow:auto;margin-top:54px}
}

footer{margin-top:70px;padding-top:22px;border-top:2px solid var(--ink);font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--faint);line-height:1.7}
footer p{max-width:72ch;margin:0 0 10px}

@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 16px 80px}
  nav.site{padding:14px 16px 0}
  nav.site span{gap:14px}
  .mast{padding:40px 0 22px}
  .strip>div+div{padding-left:0;border-left:none;border-top:1px solid var(--rule)}
  .strip>div{flex:1 1 100%;padding-right:0}
  .feature{padding:22px 18px 18px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* compact home: fits one desktop screen */
.home{padding-bottom:40px}
.hero{padding:40px 0 26px}
.hero h1{font-size:clamp(2rem,4.6vw,2.9rem);margin:0 0 12px;max-width:22ch}
.hero .deck{font-size:1.08rem}
.cards{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:860px){.cards{grid-template-columns:1.35fr 1fr;gap:28px}}
.feature.lead{padding:24px 26px 20px}
.feature h2{font-size:1.6rem;margin:0 0 8px}
.feature .label{margin-bottom:10px}
.strip.compact{margin:16px 0 2px}
.strip.compact>div{flex:1 1 90px;padding:10px 14px 10px 0}
.strip.compact>div+div{padding-left:14px}
.strip.compact dd{font-size:1.3rem}
.strip.compact dd small{display:inline;font-family:"IBM Plex Mono",monospace;font-size:.75rem;margin-left:3px}
.more{margin-top:12px}
.side .label{margin:4px 0 6px}
.results{list-style:none;padding:0;margin:0 0 18px;max-width:none}
.results li{margin:0;border-bottom:1px solid var(--rule)}
.results a{display:grid;grid-template-columns:5.6rem 1fr;gap:10px;padding:11px 0;text-decoration:none;color:var(--muted);font-size:15px;line-height:1.4}
.results a:hover span{color:var(--ink)}
.results b{font-family:"IBM Plex Mono",monospace;font-weight:500;font-size:14px}
.feature.small{padding:16px 20px}
.feature.small h3{font-size:1.15rem;margin:0 0 4px}
.feature.small p{font-size:15px}
footer.slim{margin-top:30px;padding-top:14px;border-top:1px solid var(--rule-strong)}
@media (max-width:640px){
  .hero{padding:26px 0 18px}
  .strip.compact>div{flex:1 1 45%;padding-left:0!important;border-left:none!important;border-top:none!important}
  .feature.lead{padding:18px 16px 16px}
}
nav.site .mark[aria-current]{color:var(--ink)}
.feature .label,.feature.small .label{font-size:10.5px}
@media (min-width:860px){.hero h1{max-width:28ch}}

/* multi-page reading: breadcrumb, part strip, previous/next */
.crumb{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--faint);letter-spacing:.04em;margin:26px 0 10px}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--accent)}
nav.parts{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 6px}
nav.parts a{min-width:30px;height:30px;padding:0 8px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--rule-strong);
  font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--muted);text-decoration:none;border-radius:2px}
nav.parts a:hover{border-color:var(--accent);color:var(--accent)}
nav.parts a[aria-current]{background:var(--accent);border-color:var(--accent);color:var(--paper)}
nav.pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:46px 0 0;padding-top:18px;border-top:2px solid var(--ink)}
nav.pn a{display:block;text-decoration:none;color:var(--ink);font-size:16px;line-height:1.35;padding:12px 14px;border:1px solid var(--rule);background:var(--surface)}
nav.pn a:hover{border-color:var(--accent)}
nav.pn small{display:block;font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:4px}
nav.pn .next{text-align:right;grid-column:2}
@media (max-width:640px){nav.pn{grid-template-columns:1fr}nav.pn .next{grid-column:1}nav.pn span{display:none}}

/* paper contents on the overview */
.partlist{list-style:none;padding:0;margin:0;max-width:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:10px}
.partlist li{margin:0}
.partlist a{display:grid;grid-template-columns:2rem 1fr;align-items:baseline;padding:12px 14px;border:1px solid var(--rule-strong);text-decoration:none;color:var(--ink);background:var(--surface);line-height:1.35}
.partlist a:hover{border-color:var(--accent)}
.partlist span{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--accent);font-weight:600}

/* notebook chapters */
.chapters{list-style:none;padding:0;margin:8px 0 0;max-width:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:12px}
.chapters li{margin:0}
.chapters a{display:block;height:100%;padding:16px 18px;border:1px solid var(--rule-strong);background:var(--surface);text-decoration:none;color:var(--ink)}
.chapters a:hover{border-color:var(--accent)}
.chapters .n{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--accent);font-weight:600;display:block;margin-bottom:4px}
.chapters b{display:block;font-size:1.12rem;margin-bottom:4px}
.chapters .s{display:block;color:var(--muted);font-size:15px;line-height:1.45}
.chap{padding:14px 0 6px}
.chap h1{font-size:clamp(1.9rem,4.4vw,2.6rem);margin:6px 0 8px}
details.intoc{margin:14px 0 6px;border:1px solid var(--rule);background:var(--surface);padding:10px 14px;max-width:70ch}
details.intoc summary{cursor:pointer;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.06em;color:var(--accent)}
details.intoc ul{list-style:none;padding:8px 0 0;margin:0;font-family:"IBM Plex Mono",monospace;font-size:12.5px}
details.intoc li{margin:0 0 6px}
details.intoc li.l3{padding-left:16px}
details.intoc a{color:var(--muted);text-decoration:none}
details.intoc a:hover{color:var(--accent)}
details.intoc code{background:none;padding:0}
.nbody h2{border-top:1px solid var(--rule-strong);padding-top:14px;margin:40px 0 16px;scroll-margin-top:12px}
.nbody h3{scroll-margin-top:12px}
.nbody h2 code,.nbody h3 code{font-size:.72em;font-weight:500}
.paperbody section:first-child{padding-top:24px}
.nbody code,.paperbody code{overflow-wrap:anywhere}
nav.pages{display:flex;align-items:center;gap:6px;margin:4px 0 10px;font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--faint)}
nav.pages::before{content:"Pages";letter-spacing:.1em;text-transform:uppercase;font-size:10px;margin-right:4px}
nav.pages a{min-width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--rule);color:var(--muted);text-decoration:none;border-radius:2px}
nav.pages a:hover{border-color:var(--accent);color:var(--accent)}
nav.pages a[aria-current]{border-color:var(--accent);color:var(--accent);font-weight:600}
.chap h1.cont span{font-weight:400;color:var(--faint);font-size:.6em}