:root{
  --blue:#0F52BA; --blue-d:#0B3F91; --paper:#ffffff; --ink:#141414; --ink-2:#454545; --ink-3:#6a6a6a;
  --rule-2:#c9c9c9; --rule-3:#e8e8e8; --ref:#A34A12; --alert:#B8241A; --tint:#F3F6FC;
  --serif:"STIX Two Text",Georgia,"Times New Roman",serif;
  --mono:"Courier Prime","Courier New",Courier,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--blue);color:var(--ink);font-family:var(--serif);font-size:19px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
a{color:var(--blue);text-underline-offset:.16em;text-decoration-thickness:1px}
a:hover{color:var(--blue-d)}
p{margin:0 0 14px}
h1,h2,h3{margin:0;font-weight:400}

/* ---------- frame: blue ground, rail, white sheet ---------- */
.shell{display:grid;grid-template-columns:268px minmax(0,1fr);max-width:1440px;margin:0 auto}
.rail{position:sticky;top:0;align-self:start;height:100vh;padding:40px 20px 40px 40px;color:#fff;
  font-family:var(--mono);font-size:13px;letter-spacing:.09em;text-transform:uppercase;display:flex;flex-direction:column}
.rail .brand{font-weight:700;color:#fff;text-decoration:none;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.45);margin-bottom:22px}
.rail nav{display:flex;flex-direction:column;gap:2px}
.rail nav a{color:#fff;text-decoration:none;padding:5px 8px;margin-left:-8px}
.rail nav a:hover{background:rgba(255,255,255,.16)}
.rail nav a[aria-current="true"]{background:#fff;color:var(--blue)}
.rail .sep{border-top:1px solid rgba(255,255,255,.45);margin:22px 0 16px}
.rail .cta{display:block;border:1px solid #fff;color:#fff;text-decoration:none;font-weight:700;padding:10px 12px;margin-bottom:8px}
.rail .cta:hover{background:#fff;color:var(--blue)}
.rail .tiny{margin-top:auto;font-size:11.5px;letter-spacing:.06em;opacity:.9;text-transform:none;line-height:1.5}
.sheet{background:var(--paper);margin:40px 40px 40px 20px;padding:36px clamp(22px,5vw,76px) 64px;min-width:0}

/* ---------- man-page sections ---------- */
.sec{margin-top:54px;scroll-margin-top:24px}
.sec:first-of-type{margin-top:0}
.lab{font-family:var(--serif);font-weight:700;font-size:15px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.in{padding-left:clamp(0px,5vw,72px);max-width:880px}
.wide{padding-left:clamp(0px,5vw,72px)}
.name{font-size:clamp(34px,4.6vw,58px);line-height:1.1;letter-spacing:-.012em;max-width:24ch;text-wrap:balance}
.name b{font-weight:700}
.leadp{font-size:21px;color:var(--ink-2);max-width:56ch;margin-top:18px}
  font-family:var(--mono);font-weight:700;font-size:13px;letter-spacing:.14em;text-align:center;padding:8px 14px;line-height:1.5}
pre,code,.mono{font-family:var(--mono)}
body{font-variant-ligatures:none}
pre{margin:0;font-size:15.5px;line-height:1.5;white-space:pre;overflow-x:auto}
code{font-size:.9em}
.note{font-family:var(--mono);font-size:13.5px;line-height:1.55;color:var(--ink-2);margin-top:12px;max-width:74ch}
.btnrow{display:flex;gap:14px;flex-wrap:wrap;margin:22px 0 4px}
.btn{font-family:var(--mono);font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;
  color:var(--ink);background:#fff;border:1px solid var(--ink);padding:13px 22px;cursor:pointer;display:inline-block}
.btn:hover{background:var(--ink);color:#fff}
.btn.pri{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.pri:hover{background:var(--blue-d);border-color:var(--blue-d);color:#fff}

/* ---------- datasheet tables ---------- */
.tblwrap{overflow-x:auto}
table.ds{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:14.5px;line-height:1.4}
table.ds th{font-weight:700;font-size:12px;letter-spacing:.11em;text-transform:uppercase;text-align:left;
  padding:9px 14px 9px 0;border-top:2px solid var(--ink);border-bottom:1px solid var(--ink);white-space:nowrap}
table.ds td{padding:10px 14px 10px 0;border-bottom:1px solid var(--rule-3);vertical-align:top}
table.ds td:first-child{white-space:nowrap}
table.ds .r{text-align:right}
table.ds .v{font-weight:700;text-align:right;white-space:nowrap}
table.ds .sym{font-family:var(--serif);font-style:italic;font-size:16px;white-space:nowrap}
table.ds tr:hover td{background:var(--tint)}
table.ds td a{font-weight:700;white-space:nowrap}
.dim{color:var(--ink-3)}
.fn{font-family:var(--mono);font-size:13px;color:var(--ink-2);line-height:1.55;margin-top:12px;max-width:80ch}
.two{display:grid;grid-template-columns:minmax(0,1fr);gap:34px}
.two > div:last-child{max-width:620px}
.fig{margin:22px 0 6px}
.figcap{font-size:16px;color:var(--ink-2);margin-top:10px}
.figcap b{color:var(--ink)}
svg{display:block;max-width:100%;height:auto}
svg text{font-family:var(--mono)}
.find{font-family:var(--mono);font-size:15px;border:0;border-bottom:1px solid var(--ink);padding:8px 2px;width:min(360px,100%);
  background:transparent;color:var(--ink);border-radius:0;margin-bottom:14px}
.find::placeholder{color:var(--ink-3);opacity:1}
.find:focus{outline:none;border-bottom:2px solid var(--blue)}
dl.also{margin:0}
dl.also dt{font-family:var(--mono);font-weight:700;font-size:15.5px;margin-top:14px}
dl.also dd{margin:2px 0 0 28px;max-width:62ch}

/* ---------- stat tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));border-top:2px solid var(--ink);border-bottom:1px solid var(--ink);margin-top:14px}
.tile{padding:12px 16px 14px 0}
.tile + .tile{padding-left:16px;border-left:1px solid var(--rule-2)}
.tile .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.tile .n{font-size:30px;line-height:1.15;font-variant-numeric:tabular-nums}
.tile .u{font-family:var(--mono);font-size:13px;color:var(--ink-3)}

/* ---------- cross-reference preview card ---------- */
.pop{position:absolute;z-index:50;width:340px;max-width:calc(100vw - 32px);background:#fff;border:1px solid var(--ink);
  padding:14px 16px;font-family:var(--mono);font-size:13.5px;line-height:1.5;opacity:0;pointer-events:none;
  transform:translateY(4px);transition:opacity .16s ease,transform .16s ease}
.pop.on{opacity:1;transform:none}
.pop .kind{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ref);font-weight:700}
.pop .kind.int{color:var(--blue)}
.pop .ti{font-family:var(--serif);font-size:18px;line-height:1.3;margin:4px 0 6px;color:var(--ink)}
.pop .go{margin-top:8px;color:var(--blue);font-weight:700}
a.cite{font-family:var(--mono);font-size:.88em;color:var(--ref);white-space:nowrap}
a.xr{font-family:var(--mono);font-size:.9em;font-weight:700;white-space:nowrap}

/* ---------- memo (RFC) ---------- */
.memo{font-family:var(--mono);font-size:16.5px;line-height:1.62;max-width:78ch;margin:0 auto}
.memo .hdr{display:flex;justify-content:space-between;gap:24px;white-space:pre-wrap}
.memo .hdr .rt{text-align:right}
.memo h1{font-family:var(--mono);font-weight:700;font-size:clamp(22px,2.6vw,29px);line-height:1.3;text-align:center;margin:44px auto 40px;max-width:30ch;text-wrap:balance}
.memo h2{font-family:var(--mono);font-weight:700;font-size:16.5px;margin:44px 0 14px;scroll-margin-top:24px}
.memo .b{padding-left:3ch}
.memo .toc{list-style:none;margin:0;padding:0 0 0 3ch}
.memo .toc li{display:flex;align-items:baseline;gap:6px}
.memo .toc .sub{padding-left:3ch}
.memo .toc .d{flex:1;border-bottom:1px dotted var(--ink-3);transform:translateY(-4px)}
.memo .toc a{text-decoration:none}
.memo .toc a:hover{text-decoration:underline}
.pagebreak{display:flex;justify-content:space-between;margin:52px 0 0;padding-bottom:14px;border-bottom:1px solid var(--rule-2);color:var(--ink-2)}
.pagetop{display:flex;justify-content:space-between;margin:14px 0 0;color:var(--ink-2)}
.ascii{color:var(--ink);font-size:14.5px;line-height:1.3;padding:8px 0}
.eq{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:22px 0 8px 3ch;font-family:var(--serif);font-size:27px;font-style:italic}
.eq .no{font-family:var(--mono);font-style:normal;font-size:16px}
.eq .mf{position:relative;padding:2px 4px;background:linear-gradient(var(--tint),var(--tint)) no-repeat 0 0/0% 100%;transition:background-size .9s cubic-bezier(.3,.1,.2,1) .3s}
.eq.on .mf{background-size:100% 100%}
.eq .mf::after{content:"modulating factor";position:absolute;left:0;top:100%;font-family:var(--mono);font-style:normal;font-size:12.5px;
  letter-spacing:.06em;color:var(--blue);white-space:nowrap;border-top:1px solid var(--blue);padding-top:3px;width:100%;opacity:0;transition:opacity .5s ease 1.1s}
.eq.on .mf::after{opacity:1}
.ctl{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-family:var(--mono);font-size:14px;margin:6px 0}
.ctl label{font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:700}
.ctl input[type=range]{accent-color:var(--blue);width:min(280px,60vw)}
.ctl select{max-width:min(380px,100%);font-family:var(--mono);font-size:14px;border:1px solid var(--ink);background:#fff;color:var(--ink);padding:6px 8px;border-radius:0}
.ctl output{font-weight:700;min-width:5ch}
.refs{list-style:none;margin:0;padding:0 0 0 3ch}
.refs li{display:grid;grid-template-columns:11ch minmax(0,1fr);gap:1ch;margin-bottom:12px}
.draw{stroke-dasharray:var(--len);stroke-dashoffset:var(--len)}
.on .draw{stroke-dashoffset:0;transition:stroke-dashoffset 1.1s cubic-bezier(.3,.1,.2,1) var(--d,0ms)}
.fadein{opacity:0}.on .fadein{opacity:1;transition:opacity .5s ease var(--d,0ms)}
@media (prefers-reduced-motion:reduce){.draw{stroke-dashoffset:0}.fadein{opacity:1}.eq .mf{background-size:100% 100%}.eq .mf::after{opacity:1}}

/* ---------- launch console ---------- */
.run{border:1px solid var(--ink);margin-top:16px}
.run .bar{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:12px 16px;border-bottom:1px solid var(--ink);background:var(--tint)}
.run .cmd{font-family:var(--mono);font-size:14.5px;padding:12px 16px;border-bottom:1px solid var(--rule-2);overflow-x:auto;white-space:nowrap}
.run .cmd b{color:var(--blue)}
.run .grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.run .pane{padding:16px;min-width:0}
.run .pane + .pane{border-left:1px solid var(--rule-2)}
.run .ph{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--ink-2);margin-bottom:10px}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:30px minmax(0,1fr);gap:4px;padding:9px 8px 9px 0;border-bottom:1px solid var(--rule-3);opacity:.42;transition:opacity .3s,background .3s}
.steps li::before{content:counter(s);font-family:var(--mono);font-weight:700;font-size:14px;padding-left:8px}
.steps li.done{opacity:1}
.steps li.now{opacity:1;background:var(--tint)}
.steps li.now .fnm{color:var(--blue)}
.steps .fnm{font-family:var(--mono);font-weight:700;font-size:14.5px}
.steps .why{font-size:16.5px;line-height:1.45;color:var(--ink-2)}
.steps .log{font-family:var(--mono);font-size:13px;color:var(--blue);min-height:1.2em}
.out .tiles{grid-template-columns:repeat(3,minmax(0,1fr))}
.out .tile .n{font-size:26px}
.out table.ds{font-size:13.5px}
.out table.ds td,.out table.ds th{padding:6px 10px 6px 0}
.tp{color:var(--blue);font-weight:700}.fp{color:var(--alert);font-weight:700}

@media (max-width:980px){
  .shell{grid-template-columns:1fr}
  .rail{position:static;height:auto;padding:16px 18px;flex-direction:row;flex-wrap:wrap;align-items:center;gap:6px 14px}
  .rail .brand{border:0;margin:0;padding:0}
  .rail nav{flex-direction:row;flex-wrap:wrap;gap:0 10px}
  .rail .sep,.rail .tiny{display:none}
  .rail .cta{margin:0;padding:6px 10px}
  .sheet{margin:0 12px 12px}
  .two,.run .grid{grid-template-columns:1fr}
  .run .pane + .pane{border-left:0;border-top:1px solid var(--rule-2)}
}

/* ---------- home additions ---------- */
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:2px solid var(--ink);border-bottom:1px solid var(--ink)}
.duo > a{display:block;padding:18px 22px 20px 0;text-decoration:none;color:var(--ink)}
.duo > a + a{padding-left:22px;border-left:1px solid var(--rule-2)}
.duo .t{font-size:26px;line-height:1.2;margin:0 0 8px}
.duo .d{color:var(--ink-2);font-size:17.5px;line-height:1.5}
.duo .go{font-family:var(--mono);font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-top:12px}
.duo > a:hover .t{color:var(--blue)}
details.more summary{font-family:var(--mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;cursor:pointer;color:var(--blue);margin-top:12px}
details.more p{font-family:var(--mono);font-size:14px;line-height:1.6;color:var(--ink-2);margin:10px 0 0;max-width:80ch}
@media (max-width:980px){.duo{grid-template-columns:1fr}.duo > a + a{padding-left:0;border-left:0;border-top:1px solid var(--rule-2)}}

@media (max-width:980px){
  .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tile + .tile{border-left:0;padding-left:0}
  .sheet{padding:26px 20px 48px}
  .name{font-size:34px}
  body{font-size:18px}
}

/* ---------- python-backed figures ---------- */
.pystat{font-family:var(--mono);font-size:12.5px;color:var(--ink-2);margin:8px 0;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.pystat::before{content:"";width:8px;height:8px;background:var(--ink-3);display:inline-block}
.pystat.live::before{background:var(--blue)}
.pystat.busy::before{background:var(--ref);animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:.2}}
details.src{margin-top:12px}
details.src summary{font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;cursor:pointer;color:var(--blue)}
details.src pre{margin-top:10px;padding:16px;background:var(--tint);border:1px solid var(--rule-2);font-size:13px;line-height:1.5;max-height:420px;overflow:auto}
.legend{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:12.5px;color:var(--ink-2);margin-top:8px}
.legend i{display:inline-block;width:14px;height:10px;margin-right:6px;vertical-align:-1px;border:1px solid}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;margin-top:22px}
.sub{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--ink-2)}
@media (max-width:980px){.split{grid-template-columns:1fr;gap:22px}}

/* ---------- plain-worded home ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:48px;align-items:start}
.hero h1{font-size:clamp(40px,5vw,62px);font-weight:700;line-height:1.05;letter-spacing:-.015em}
.hero .say{font-size:clamp(24px,2.6vw,32px);line-height:1.25;margin:14px 0 0;max-width:24ch;text-wrap:balance}
.hero .leadp{margin-top:18px}
.hero img{width:230px;height:230px;border-radius:50%;display:block}
.hero .where{font-family:var(--mono);font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px;line-height:1.5}
.links{display:flex;gap:6px 22px;flex-wrap:wrap;font-family:var(--mono);font-size:14px;font-weight:700;margin-top:6px}
.lab{font-size:16px}
/* finder map */
.finder{display:flex;gap:14px 18px;flex-wrap:wrap;align-items:center;margin:16px 0 6px}
.finder .find{margin:0;width:min(300px,100%)}
.chip{font-family:var(--mono);font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:#fff;color:var(--ink);border:1px solid var(--ink);padding:7px 12px;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:#fff}
.chips{display:flex;gap:6px;flex-wrap:wrap}
#m .n{cursor:pointer;transition:opacity .2s}
#m .n rect{stroke-width:1;transition:stroke-width .15s}
#m .n:hover rect,#m .n:focus-visible rect{stroke-width:2.5}
#m .n:focus-visible{outline:none}
#m .t-read rect{fill:var(--blue);stroke:var(--blue)} #m .t-read text{fill:#fff}
#m .t-proj rect{fill:#fff;stroke:var(--blue)} #m .t-proj text{fill:var(--blue)}
#m .t-paper rect{fill:#F3E1D3;stroke:#8A3D0C;stroke-width:1.3} #m .t-paper text{fill:#6E2F06;font-weight:700}
#m .t-topic rect{fill:#CFDBF2;stroke:var(--ink);stroke-width:1.3} #m .t-topic text{fill:var(--ink)}
#m .e{fill:none;stroke:#a9a9a9;transition:opacity .2s,stroke .2s}
#m.focus .n{opacity:.3} #m.focus .e{opacity:.14}
#m.focus .n.hl,#m.focus .n.sel{opacity:1}
#m.focus .n.rel{opacity:.72}
#m.focus .e.hl{opacity:1;stroke:var(--ink);stroke-width:1.4}
#m .n.sel rect{fill:var(--ink);stroke:var(--ink)} #m .n.sel text{fill:#fff}
#m .n.off{display:none}
ul.rel,ol.path{list-style:none;margin:10px 0 0;padding:0}
ul.rel li,ol.path li{padding:9px 0;border-bottom:1px solid var(--rule-3);font-size:18px;line-height:1.35}
.why{font-family:var(--mono);font-size:12.5px;color:var(--ink-2);margin-top:2px}
.role{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--blue);margin-bottom:2px}
ol.path li.here{background:var(--tint);padding:10px 12px}
.selhead{font-size:24px;line-height:1.25;margin-top:22px}
.selhead small{display:block;font-family:var(--mono);font-size:12.5px;color:var(--ink-2);margin-top:4px}
ul.plain{margin:0;padding-left:1.1em}
@media (max-width:980px){.hero{grid-template-columns:1fr}.hero .side{order:-1}.hero img{width:150px;height:150px}.hero .where{text-align:left}}


/* ---------- pages built from markdown ---------- */
.prose{max-width:780px}
.prose h2{font-family:var(--serif);font-weight:700;font-size:16px;letter-spacing:.1em;text-transform:uppercase;margin:54px 0 14px;scroll-margin-top:24px}
.prose h3{font-weight:700;font-size:24px;line-height:1.25;margin:34px 0 10px}
.prose img{max-width:100%;height:auto;border:1px solid var(--rule-2);margin:8px 0}
.prose table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:14.5px;line-height:1.4;margin:18px 0}
.prose th{font-weight:700;font-size:12px;letter-spacing:.09em;text-transform:uppercase;text-align:left;padding:9px 14px 9px 0;border-top:2px solid var(--ink);border-bottom:1px solid var(--ink)}
.prose td{padding:10px 14px 10px 0;border-bottom:1px solid var(--rule-3)}
.prose .wide{max-width:none;padding-left:0}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));border-top:2px solid var(--ink);border-bottom:1px solid var(--ink);margin:26px 0 8px;max-width:900px}
.facts > div{padding:12px 16px 14px 0}
.facts > div + div{padding-left:16px;border-left:1px solid var(--rule-2)}
.facts .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.facts .v{font-size:19px;line-height:1.3;margin-top:2px}
.notice{font-family:var(--mono);font-size:13.5px;line-height:1.55;border:1px solid var(--alert);color:var(--alert);padding:10px 14px;margin:0 0 28px}
.notice a{color:var(--alert)}
/* memo body generated from markdown: headings flush left, everything else indented three characters */
.memo .body > *{margin-left:3ch}
.memo .body > h2{margin-left:0}
.memo .body > .pagebreak,.memo .body > .pagetop,.memo .body > .eq{margin-left:0}
.memo .body > .eq{margin-left:3ch}
.memo .body pre{font-size:14.5px;line-height:1.3;padding:8px 0}
.memo .body .figure{margin-left:3ch}
/* experience on the home page */
.job{display:grid;grid-template-columns:190px minmax(0,1fr);gap:8px 28px;padding:18px 0;border-bottom:1px solid var(--rule-3)}
.job:first-of-type{border-top:2px solid var(--ink)}
.job .when{font-family:var(--mono);font-size:14px;color:var(--ink-2);padding-top:4px}
.job .when small{display:block;font-size:12.5px;margin-top:2px}
.job h3{font-size:22px;font-weight:700;line-height:1.25}
.job .org{font-size:18px;color:var(--ink-2);margin:0 0 8px}
.job ul{margin:0;padding-left:1.1em;font-size:17.5px;line-height:1.5;color:var(--ink-2)}
.job li{margin-bottom:4px}
.job .see{font-family:var(--mono);font-size:13px;margin-top:8px}
tr.more-row{display:none}
.all tr.more-row{display:table-row}
@media (max-width:980px){.job{grid-template-columns:1fr;gap:2px}.facts > div + div{padding-left:0;border-left:0;border-top:1px solid var(--rule-2)}}
.prose.full{max-width:none;padding-left:clamp(0px,5vw,72px)}
.prose.full > h2{margin-left:calc(-1 * clamp(0px,5vw,72px))}
.prose.full > p,.prose.full > ul,.prose.full > ol{max-width:66ch}
.memo .hdr > div > div{white-space:nowrap}
.memo .hdr > div:first-child > div{white-space:normal}

/* ---------- polish pass ---------- */
html{scrollbar-color:rgba(255,255,255,.55) var(--blue)}
input,textarea{caret-color:var(--blue)}
.rail :focus-visible{outline-color:#fff}                    /* a blue ring on the blue rail was invisible */
.about{max-width:70ch;margin-top:40px}
.about p:last-child{margin-bottom:0}
.job ul{max-width:72ch}
.hero .say{max-width:none}
.chip:hover{background:var(--tint)}
.chip[aria-pressed="true"]:hover{background:var(--ink)}
.btn:active,.chip:active{transform:translateY(1px)}
table.ds td,.tile .n,.facts .v{font-variant-numeric:tabular-nums lining-nums}
@media (max-width:980px){
  .shell{grid-template-columns:minmax(0,1fr)}
  .rail{min-width:0}
  .rail nav{flex:1 1 100%;width:100%;min-width:0;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
  .rail nav::-webkit-scrollbar{display:none}
  .rail nav a{white-space:nowrap}
}

/* ---------- reads, projects, papers ---------- */
.name.long{font-size:clamp(28px,3.4vw,44px);max-width:26ch}
.see-list{margin:4px 0 0;padding-left:1.1em;font-size:17px;line-height:1.5}
.job ul.see-list{color:var(--ink)}
/* equations: native MathML, numbered on the right */
.eq{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:20px 0;font-style:normal;font-size:inherit;overflow-x:auto}
.eq math{font-size:1.3em;font-family:"STIX Two Math","Cambria Math","Latin Modern Math",serif}
.eq .no{font-family:var(--mono);font-size:15px;color:var(--ink-2);flex:none}
math{font-family:"STIX Two Math","Cambria Math","Latin Modern Math",serif}
/* interactive figures */
figure{margin:0}
.figure{margin:26px 0 30px;padding:18px 0 4px;border-top:2px solid var(--ink);border-bottom:1px solid var(--ink)}
.fig-controls{display:flex;gap:10px 28px;flex-wrap:wrap;margin-bottom:8px}
.fig-controls .ctl{margin:0}
.fig-controls label{font-family:var(--mono);font-size:13px;letter-spacing:.06em;text-transform:none;font-weight:700}
.figure .plot{margin:6px 0}
.figure .tiles{border-top:1px solid var(--rule-2);border-bottom:0;margin-top:8px}
.figure .tile .n{font-size:22px;line-height:1.25;font-family:var(--serif)}
.figure figcaption{font-family:var(--serif);font-size:16.5px;line-height:1.5;color:var(--ink-2);margin:12px 0 8px;max-width:68ch}
.figure figcaption b{color:var(--ink)}
.figure .pystat{display:inline;font-family:var(--mono);font-size:12.5px;margin:0}
.figure .pystat::before{display:none}
.figure .trace.draw{transition:stroke-dashoffset 1.2s cubic-bezier(.3,.1,.2,1) .2s}
.figure .bar{transform-box:fill-box;transform-origin:bottom;transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.figure:not(.on) .bar{transform:scaleY(0)}
.figure .cell{transition:fill-opacity .3s ease}
@media (prefers-reduced-motion:reduce){.figure .bar{transition:none;transform:none!important}}
/* pictures and code inside reads */
.memo .body figure.pic{margin:24px 0 24px 3ch}
.memo .body figure.pic img{display:block;max-width:100%;height:auto;border:1px solid var(--rule-3)}
.memo .body figure.pic figcaption{font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.5}
.memo .body h3{font-family:var(--mono);font-weight:700;font-size:16.5px;margin:30px 0 10px 0}
.memo .body blockquote{margin:16px 0 16px 3ch;padding:2px 0 2px 2ch;border-left:1px solid var(--ink);color:var(--ink-2)}
.memo .body li{margin-bottom:8px}
.memo .body ul,.memo .body ol{padding-left:2.4ch}
.memo .body pre{background:var(--tint);padding:14px 16px;border:1px solid var(--rule-2);overflow-x:auto;white-space:pre}
.memo .body .figure{margin-left:3ch}

/* ---------- spec tables inside a read ---------- */
.memo .body .tblwrap{overflow-x:auto;margin:16px 0 6px}
.memo .body table.spec{width:100%;margin:0}
.memo .body table.spec td:first-child{white-space:normal;font-weight:700;padding-right:22px}
.memo .body table.spec td{padding-right:18px}
.memo .body .tblwrap + .note{margin:8px 0 20px}

/* ---------- diagrams drawn by Python ---------- */
.memo .body figure.drawn .tblwrap{margin:0;border:1px solid var(--rule-3);padding:14px 12px;background:#fff}
figure.drawn svg.drawing{display:block;max-width:100%;height:auto;margin:0 auto}
figure.drawn figcaption .by{font-size:12px;color:var(--ink-2);white-space:nowrap;margin-left:6px}
@media (max-width:700px){figure.drawn svg.drawing{max-width:none;min-width:560px}}

.memo .body table.num td:not(:first-child),.memo .body table.num th:not(:first-child){text-align:right;white-space:nowrap}
.memo .body table.num td:first-child{white-space:nowrap}
.memo .body table.small{font-size:12.5px}
.memo .body table.small td,.memo .body table.small th{padding:7px 10px 7px 0}
.memo .body table.spec th.grp{text-align:center!important;border-bottom:1px solid var(--rule-2)}
.memo .body table.spec tr.sep td{border-top:1.5px solid var(--ink)}
.memo .body table.num th{white-space:normal!important;vertical-align:bottom}
.memo .body blockquote.quote ul{margin:0;padding-left:18px}
.memo .body blockquote.quote li{margin:6px 0}