/* INK guide: ink on graph paper. Themes mirror Source/Plugin/ui/InkTheme.h (Paper, Dark, Blueprint). */
:root, :root[data-theme="paper"]{
  --paper:#f1ede4; --ink:#161513; --pencil:#6e6a62; --graph:#5a7896; --gr:8.5%; color-scheme:light;
}
:root[data-theme="dark"]{ --paper:#151513; --ink:#ebe6da; --pencil:#8c877c; --graph:#8fa2b6; --gr:7.5%; color-scheme:dark }
:root[data-theme="blue"]{ --paper:#1449b2; --ink:#f2f7ff; --pencil:#9cc0f4; --graph:#5c9cf5; --gr:14%; color-scheme:dark }
:root{
  --hand:'Gaegu','Comic Sans MS','Chalkboard SE',cursive;
  --body:'Avenir Next','Segoe UI',system-ui,-apple-system,'Helvetica Neue',sans-serif;
  --line:1.6px;
  --faintline:color-mix(in srgb,var(--ink) 24%,transparent);
  --wash:color-mix(in srgb,var(--ink) 7%,var(--paper));
  --r1:14px 9px 13px 8px/9px 13px 8px 14px;
  --r2:16px 11px 15px 10px/11px 15px 10px 16px;
  --r3:10px 7px 11px 6px/7px 11px 6px 10px;
  --topH:56px;
}
*{box-sizing:border-box}
html{overflow-x:clip;max-width:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--topH) + 14px);-webkit-text-size-adjust:100%}
body{overflow-x:clip;max-width:100%;margin:0;background-color:var(--paper);color:var(--ink);font-family:var(--body);font-size:18px;line-height:1.6;
  background-image:linear-gradient(color-mix(in srgb,var(--graph) var(--gr),transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--graph) var(--gr),transparent) 1px,transparent 1px);
  background-size:22px 22px}
button,input{font-family:inherit;color:inherit}
a{color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px dashed currentColor;outline-offset:2px}
img{max-width:100%}
[hidden]{display:none!important}

/* ------------------------------ top bar */
.top{position:sticky;top:0;z-index:50;height:var(--topH);display:flex;align-items:center;gap:12px;padding:0 16px;
  background:var(--paper);border-bottom:var(--line) solid var(--ink)}
.burger,.prt,.th{background:transparent;border:var(--line) solid var(--ink);border-radius:var(--r1);cursor:pointer;font-family:var(--hand);font-size:19px;line-height:1}
.burger{display:none;width:40px;height:36px;padding:0}
.burger svg{width:24px;height:24px;stroke:var(--ink);stroke-width:2;stroke-linecap:round;fill:none}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;font-family:var(--hand);font-size:30px;font-weight:700;line-height:1;white-space:nowrap}
.brand small{font-size:19px;font-weight:400;color:var(--pencil);margin-left:2px}
.ink-wordmark{display:block;width:52px;height:auto;flex:none;color:var(--ink)}
.search{position:relative;flex:1 1 220px;max-width:380px;margin-left:auto}
.search input{width:100%;height:36px;border:var(--line) solid var(--ink);border-radius:var(--r1);background:transparent;padding:0 12px;font-family:var(--hand);font-size:19px}
.search input::placeholder{color:var(--pencil)}
.search .sico{display:none;position:absolute;left:8px;top:8px;width:18px;height:18px;fill:none;stroke:var(--ink);stroke-width:2.2;stroke-linecap:round;pointer-events:none}
.res{position:absolute;left:0;right:0;top:42px;max-height:70vh;overflow:auto;background:var(--paper);border:var(--line) solid var(--ink);border-radius:var(--r2);box-shadow:0 10px 30px rgba(0,0,0,.25);padding:6px}
.res a{display:block;text-decoration:none;padding:7px 10px;border-radius:8px}
.res a:hover,.res a:focus,.res a.sel{background:var(--wash)}
.res b{font-family:var(--hand);font-size:21px;line-height:1.1;display:block}
.res small{display:block;color:var(--pencil);font-size:14px;line-height:1.35}
.res mark{background:color-mix(in srgb,var(--ink) 18%,transparent);color:inherit;border-radius:3px}
.res .none{padding:10px;color:var(--pencil);font-family:var(--hand);font-size:19px}
.themes{display:flex;gap:6px}
.th,.prt{height:34px;padding:0 11px}
.th[aria-pressed="true"]{background:var(--ink);color:var(--paper);font-weight:700}
.prt:hover,.th:hover{background:var(--wash)}
.th[aria-pressed="true"]:hover{background:var(--ink)}

/* ------------------------------ shell */
.shell{display:flex;max-width:1240px;margin:0 auto;align-items:flex-start}
.side{flex:none;width:290px;position:sticky;top:var(--topH);height:calc(100vh - var(--topH));overflow:auto;border-right:1px solid var(--faintline);padding:16px 0 40px;scrollbar-width:thin}
.side-in{padding:0 14px 0 16px}
.s-home{display:block;font-family:var(--hand);font-size:22px;font-weight:700;text-decoration:none;padding:5px 10px;border-radius:var(--r3);margin:2px 0}
.s-home:hover,.s-home.on{background:var(--wash)}
.part{margin:10px 0}
.part>summary{cursor:pointer;font-family:var(--hand);font-size:15px;letter-spacing:.16em;text-transform:uppercase;color:var(--pencil);padding:6px 10px;list-style:none;display:flex;align-items:center;gap:6px}
.part>summary::-webkit-details-marker{display:none}
.part>summary::before{content:"";width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);transition:transform .15s}
.part[open]>summary::before{transform:rotate(45deg)}
.part ol{list-style:none;margin:0;padding:0}
.part ol>li>a{display:flex;gap:8px;align-items:baseline;text-decoration:none;font-family:var(--hand);font-size:21px;line-height:1.15;padding:5px 10px;border-radius:var(--r3)}
.part ol>li>a i{flex:none;width:1.7em;font-style:normal;color:var(--pencil);font-size:17px;text-align:right}
.part ol>li>a:hover{background:var(--wash)}
.part li.on>a{background:var(--ink);color:var(--paper);font-weight:700}
.part li.on>a i{color:inherit;opacity:.7}
.part ol>li.on>a:hover{background:var(--ink);color:var(--paper)}
.toc{list-style:none;margin:4px 0 8px 36px;padding:0 0 0 10px;border-left:1.5px solid var(--faintline)}
.toc a{display:block;text-decoration:none;font-family:var(--hand);font-size:18px;line-height:1.15;padding:3px 6px;color:var(--pencil);border-radius:6px}
.toc a:hover,.toc a.cur{color:var(--ink);background:var(--wash)}
.toc a.cur{font-weight:700}
.scrim{display:none}
main{flex:1 1 auto;min-width:0;padding:30px 40px 80px}
main>*{max-width:790px;margin-left:auto;margin-right:auto}
main.home-main>*{max-width:900px}

/* ------------------------------ chapter */
.chapter{display:flow-root}
.kick{font-family:var(--hand);font-size:17px;letter-spacing:.18em;color:var(--pencil);margin:0 0 4px}
.kick span{opacity:.6}
.ch-head h1,.hero h1{font-family:var(--hand);font-size:62px;line-height:.95;margin:0 0 22px;font-weight:700;text-wrap:balance}
.chapter h2{display:flow-root;font-family:var(--hand);font-size:42px;line-height:1;font-weight:700;margin:56px 0 14px;padding-bottom:6px;position:relative;text-wrap:balance}
.chapter h2::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;border-bottom:var(--line) solid var(--ink);border-radius:0 0 40% 60%/0 0 100% 60%;opacity:.85}
.chapter h3{font-family:var(--hand);font-size:30px;line-height:1.05;font-weight:700;margin:34px 0 8px}
.chapter h2,.chapter h3{scroll-margin-top:calc(var(--topH) + 14px)}
.anc{position:absolute;left:-1.1em;top:0;text-decoration:none;opacity:0;color:var(--pencil);font-size:.7em}
h2:hover .anc,h3:hover .anc,.anc:focus{opacity:1}
h3 .anc{position:absolute}
.chapter p{margin:0 0 14px;max-width:66ch}
.chapter ul,.chapter ol{max-width:66ch;margin:0 0 16px;padding-left:1.3em}
.chapter li{margin:5px 0}
.chapter li::marker{color:var(--pencil)}
.lede{font-family:var(--hand);font-size:26px;line-height:1.2;color:var(--pencil);max-width:34em}
code{font-family:ui-monospace,Menlo,monospace;font-size:.88em;background:var(--wash);border-radius:5px;padding:1px 5px}
pre{background:var(--wash);border-radius:var(--r2);padding:12px 16px;overflow:auto;border:1px solid var(--faintline)}
pre code{background:none;padding:0}
blockquote{display:flow-root;margin:16px 0;padding:2px 18px;border-left:3px solid var(--ink);font-family:var(--hand);font-size:24px;line-height:1.2}
hr{border:0;border-top:1.6px dashed var(--faintline);margin:30px 0}
.tbl{overflow:auto;margin:16px 0;display:flow-root}
table{border-collapse:collapse;min-width:60%;font-size:16.5px;line-height:1.4}
th{font-family:var(--hand);font-size:19px;text-align:left;border-bottom:var(--line) solid var(--ink);padding:4px 14px 4px 8px;letter-spacing:.04em}
td{border-bottom:1px solid var(--faintline);padding:8px 14px 8px 8px;vertical-align:top}

/* Strum's rhythm table: handwritten values and bare ink marks, as in the comparison graph. */
.rhythm-table table{width:100%;table-layout:fixed;min-width:0}
.rhythm-table thead th{font-size:23px;padding:10px 4px 12px;white-space:nowrap}
.rhythm-table thead th:first-child{width:24%}
.rhythm-table tbody th{font-family:var(--hand);font-size:27px;letter-spacing:.02em;border-bottom:1px solid var(--faintline);padding:24px 4px;vertical-align:middle}
.rhythm-table td{padding:24px 4px;vertical-align:middle}
.rhythm-marks{display:flex;align-items:center;gap:7px;min-height:20px}
.rhythm-beat{display:block;width:11px;height:11px;flex:none}
.rhythm-beat.hit{background:var(--ink);border-radius:47% 53% 48% 52%/53% 45% 55% 47%;transform:rotate(-13deg)}
.rhythm-beat.gap{height:2px;width:7px;margin:0 2px;background:var(--pencil);border-radius:2px;transform:rotate(-6deg)}
/* Numbered rhythm table (the sequencer's): each step is a column, its mark on top and the step it plays under a hit. */
.rhythm-table.numbered td,.rhythm-table.numbered tbody th{padding:14px 4px 12px}
.rhythm-table.numbered .rhythm-marks{align-items:flex-start}
.rhythm-step{display:flex;flex-direction:column;align-items:center;flex:none;width:11px}
.rhythm-slot{display:flex;align-items:center;justify-content:center;height:11px}
.rhythm-table.numbered .rhythm-beat.gap{margin:0}
.rhythm-n{font-family:var(--hand);font-size:17px;line-height:1;color:var(--pencil);margin-top:5px;min-height:17px;white-space:nowrap}
@media(max-width:640px){
  .rhythm-table thead th{font-size:19px;letter-spacing:0;padding-left:2px;padding-right:2px}
  .rhythm-table tbody th{font-size:24px}
  .rhythm-table tbody th,.rhythm-table td{padding:22px 2px}
  .rhythm-marks{gap:3px}
  .rhythm-beat{width:6px;height:6px}
  .rhythm-beat.gap{width:4px;margin:0 1px}
  .rhythm-table.numbered thead th{font-size:17px;line-height:1.05;white-space:normal;vertical-align:bottom}
  .rhythm-table.numbered thead th:first-child{width:25%}
  .rhythm-table.numbered tbody th{font-size:22px}
  .rhythm-table.numbered td,.rhythm-table.numbered tbody th{padding:16px 2px 12px}
  .rhythm-table.numbered .rhythm-marks{gap:2px}
  .rhythm-step{width:6px}
  .rhythm-slot{height:6px}
  .rhythm-table.numbered .rhythm-beat.gap{margin:0;width:4px}
  .rhythm-n{font-size:12px;margin-top:4px;min-height:12px}
}
@media(max-width:370px){
  .rhythm-table thead th{font-size:17px}
  .rhythm-marks{gap:2px}
  .rhythm-beat{width:5px;height:5px}
  .rhythm-beat.gap{width:3px}
  .rhythm-table.numbered thead th{font-size:16px}
  .rhythm-table.numbered tbody th{font-size:20px}
  .rhythm-step{width:5px}
  .rhythm-slot{height:5px}
  .rhythm-table.numbered .rhythm-beat.gap{width:3px}
  .rhythm-n{font-size:11px;min-height:11px}
}

/* on-screen label & terms */
.lbl{display:inline-block;font-family:var(--hand);font-weight:700;font-size:1.06em;line-height:1.05;border:1.4px solid var(--ink);border-radius:var(--r3);padding:0 7px 1px;white-space:nowrap;background:color-mix(in srgb,var(--paper) 70%,transparent);vertical-align:.02em}
dfn.term,a.term-ref{font-style:normal;font-weight:700;text-decoration:underline dotted 2px;text-underline-offset:4px;cursor:help}
a.term-ref{cursor:pointer;font-weight:inherit}

/* What you will learn */
.learn{display:flow-root;position:relative;margin:0 auto 26px;border:var(--line) solid var(--ink);border-radius:var(--r2);padding:26px 22px 8px;background:var(--wash)}
.learn .lt{position:absolute;left:16px;top:-14px}
.chip{display:inline-block;font-family:var(--hand);font-size:15px;letter-spacing:.16em;font-weight:700;background:var(--ink);color:var(--paper);border-radius:var(--r3);padding:3px 11px 2px}
.learn p{font-family:var(--hand);font-size:27px;line-height:1.15;font-weight:700;margin:0 0 14px}

/* callouts */
.callout{margin:24px 0;border:var(--line) solid var(--ink);border-radius:var(--r2);background:var(--paper);overflow:hidden;position:relative}
.callout .ch{display:flex;align-items:center;gap:8px;font-family:var(--hand);font-size:23px;font-weight:700;line-height:1;padding:8px 16px 7px;border-bottom:var(--line) solid var(--ink)}
.callout .ch svg{width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.callout .cb{padding:12px 18px 4px}
.callout .cb p{max-width:none}
.callout .cb>*:last-child{margin-bottom:12px}
.c-try{box-shadow:5px 5px 0 var(--ink)}
.c-try .ch{background:var(--ink);color:var(--paper)}
.c-try .ch svg{fill:currentColor}
.c-tip{border-style:dashed;border-width:2px}
.c-tip .ch{border-bottom-style:dashed;border-bottom-width:2px}
.c-careful{border-width:3px;background:repeating-linear-gradient(-45deg,transparent 0 9px,color-mix(in srgb,var(--ink) 7%,transparent) 9px 11px),var(--paper)}
.c-careful .cb{background:var(--paper);margin:0 0 0 0;border-top:0}
.c-careful .ch{border-bottom-width:3px}
.c-why{border-color:var(--faintline);border-left:4px solid var(--pencil);background:var(--wash);border-radius:var(--r3)}
.c-why .ch{color:var(--pencil);border-bottom:0;padding-bottom:0}
.c-why .cb{color:color-mix(in srgb,var(--ink) 85%,var(--paper));font-size:17px}

/* quick steps */
.steps{display:flow-root;margin:26px 0;border:var(--line) solid var(--ink);border-radius:var(--r2);padding:16px 18px 8px;background:var(--paper)}
.st,.gt{display:flex;align-items:center;gap:12px;margin-bottom:6px;flex-wrap:wrap}
.st b,.gt b{font-family:var(--hand);font-size:28px;line-height:1}
.steps ol{list-style:none;counter-reset:s;margin:0!important;padding:0!important;max-width:none!important;position:relative}
.steps li{counter-increment:s;display:flex;gap:14px;align-items:flex-start;margin:0;padding:10px 0;border-bottom:1px dashed var(--faintline);min-height:56px}
.steps li:last-child{border-bottom:0}
.steps li::before{content:counter(s);flex:none;width:38px;height:38px;border:var(--line) solid var(--ink);border-radius:50% 46% 52% 48%;display:flex;align-items:center;justify-content:center;font-family:var(--hand);font-size:25px;font-weight:700;line-height:1;background:var(--paper)}
.steps li:first-child::before{background:var(--ink);color:var(--paper)}
.steps li span{padding-top:5px}

/* controls at a glance */
.glance{display:flow-root;margin:28px 0;border:var(--line) solid var(--ink);border-radius:var(--r2);padding:16px 18px 14px;background:var(--wash)}
.glance ul{list-style:none;margin:8px 0 0!important;padding:0!important;max-width:none!important;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:12px}
.glance li{display:flex;gap:12px;align-items:flex-start;margin:0;background:var(--paper);border:1.4px solid var(--faintline);border-radius:var(--r3);padding:10px 12px}
.gx{display:flex;flex-direction:column;gap:5px;min-width:0}
.gx .lbl{font-size:21px}
.gl2{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;align-self:flex-start;max-width:100%;min-width:0}
.gl2 .lbl{max-width:100%;overflow-wrap:anywhere}
.lsep{font-family:var(--hand);font-size:21px;color:var(--pencil);margin-left:-5px}
.gd{font-size:16px;line-height:1.4}
.gp{flex:none;width:76px;display:block}
.gp img{display:block;width:100%;height:auto;border-radius:8px}
.ph-mini{height:76px;border:1.5px dashed var(--pencil);border-radius:8px;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--pencil);overflow:hidden;
  background:repeating-linear-gradient(-45deg,transparent 0 6px,color-mix(in srgb,var(--ink) 8%,transparent) 6px 7px)}
.ph-mini i{font-style:normal;font-family:var(--hand);font-size:13px;line-height:1.05;padding:3px;word-break:break-word}

/* figures. --ar and --nat come from the real picture, so the box is sized before the image loads
   and the numbered dots (percent positions) stay on the right spot at every size. */
.fig{--maxh:78vh;margin:28px auto}
.fig:not(.fig-float):not(.fig-inline){clear:right}
.figrow{clear:right}
.shot{position:relative;margin:0 auto;cursor:zoom-in;
  width:min(100%,var(--nat,780px),var(--cap,9999px),calc(var(--maxh) * var(--ar,1.5)))}
.shot:not([data-zoom]){width:100%;cursor:default}
picture.loop{display:contents}
.loop-play{position:absolute;left:10px;bottom:10px;z-index:2;font:inherit;font-size:.85rem;line-height:1;padding:.35em .8em;border-radius:999px;
  border:var(--line) solid var(--ink);background:var(--paper);color:var(--ink);cursor:pointer}
.loop-play:focus-visible{outline:2px dashed currentColor;outline-offset:3px}
.shot:focus-visible{outline:2px dashed currentColor;outline-offset:4px}
.fig .pic,.lb .pic{display:block;width:100%;height:auto;border:var(--line) solid var(--ink);border-radius:14px;box-shadow:4px 4px 0 color-mix(in srgb,var(--ink) 35%,transparent);background:var(--paper)}
.fig-inline{max-width:330px}
.fig-inline .shot{margin:0;--cap:300px}
.k-tall{--cap:300px}
.k-sq:not(.fig-half){--cap:520px}
.fig figcaption{margin-top:12px;font-family:var(--hand);font-size:21px;line-height:1.15;text-align:center;color:var(--pencil)}
.fig .cap{display:block}
.legend{list-style:none;margin:10px 0 0!important;padding:0!important;max-width:none!important;display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:center;color:var(--ink)}
.legend li{display:flex;gap:7px;align-items:center;margin:0;font-size:20px;line-height:1.1;text-align:left}
.legend b,.pin{flex:none;width:26px;height:26px;border-radius:50%;background:var(--ink);color:var(--paper);display:flex;align-items:center;justify-content:center;font-family:var(--hand);font-size:19px;font-weight:700;line-height:1}
.pin{position:absolute;transform:translate(-50%,-50%);box-shadow:0 0 0 2.5px var(--paper),0 1px 6px rgba(0,0,0,.4);pointer-events:none}
/* one phone-shaped or half-size picture sits beside the text; two in a row sit side by side */
.fig-float{float:right;clear:right;margin:6px 0 18px 30px;width:300px}
.fig-float.k-land{width:360px}
.fig-float.k-sq{width:330px}
.fig-float figcaption{font-size:19px}
.fig-float .legend{flex-direction:column;align-items:flex-start;gap:5px;font-size:18px}
.figrow{display:flex;gap:22px;align-items:flex-start;justify-content:center;flex-wrap:wrap;margin:28px auto}
.figrow .fig{flex:1 1 260px;margin:0;min-width:0;max-width:380px}
.figrow .fig.k-tall{flex:0 1 300px}
.figrow .legend{flex-direction:column;align-items:flex-start;gap:5px;font-size:18px}
.ph{position:relative;width:min(100%,640px);margin:0 auto;border:2px dashed var(--pencil);border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;text-align:center;padding:16px;color:var(--pencil);overflow:hidden;
  background:repeating-linear-gradient(-45deg,transparent 0 11px,color-mix(in srgb,var(--ink) 7%,transparent) 11px 13px)}
.fig-half .ph,.fig-float .ph{width:100%}
.fig-inline .ph{width:220px}
.ph .phb{font-family:var(--hand);font-size:15px;letter-spacing:.16em;font-weight:700;background:var(--pencil);color:var(--paper);border-radius:var(--r3);padding:3px 11px 2px}
.ph b{font-family:var(--hand);font-size:26px;line-height:1;color:var(--ink);word-break:break-word}
.ph i{font-style:normal;font-family:var(--hand);font-size:19px;line-height:1.15;max-width:34ch}

/* picture viewer (tap or click a figure) */
.lb{position:fixed;inset:0;z-index:100;background:rgba(8,8,7,.94);display:flex;flex-direction:column;color:#f4efe3}
.lb-bar{flex:none;display:flex;align-items:center;gap:10px;padding:10px 14px;font-family:var(--hand);font-size:21px;line-height:1.1}
.lb-bar span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-bar button{background:transparent;border:1.6px solid #f4efe3;color:#f4efe3;border-radius:var(--r1);font-family:var(--hand);font-size:20px;padding:3px 14px 2px;cursor:pointer}
.lb-bar button:hover{background:rgba(255,255,255,.14)}
.lb-box{flex:1;min-height:0;overflow:auto;padding:0 12px 18px;text-align:center}
.lb-box .shot{display:block;margin:0 auto;cursor:zoom-out;
  width:min(100%,calc(var(--lbh,640px) * var(--ar,1.5)),calc(var(--nat,780px) * 1.6))}
.lb.full .lb-box .shot{width:var(--nat,780px);max-width:none}
.lb-box .pic{border-color:#f4efe3}

/* prev / next */
.pn{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:12px}
.pn a{display:block;text-decoration:none;border:var(--line) solid var(--ink);border-radius:var(--r2);padding:12px 18px 12px;background:var(--paper);box-shadow:4px 4px 0 var(--faintline)}
.pn a:hover{background:var(--wash)}
.pn small{display:block;font-family:var(--hand);font-size:15px;letter-spacing:.16em;text-transform:uppercase;color:var(--pencil)}
.pn b{font-family:var(--hand);font-size:29px;line-height:1.05}
.pn .next{text-align:right;grid-column:2}
.pn .prev b::before{content:"←  "}
.pn .next b::after{content:"  →"}

/* home */
.hero{margin:10px auto 34px}
.hero h1{font-size:110px;margin:0 0 6px;letter-spacing:.02em}
.hero .ink-wordmark{width:156px}
.hero .lede{margin:0 0 20px}
/* Quick moves strip: the gestures' loops in a row that scrolls sideways */
.qstrip{margin:0 0 34px}
.qstrip h2{font-family:var(--hand);font-size:30px;margin:0 0 10px;display:flex;align-items:baseline;gap:12px}
.qstrip h2 a{text-decoration:none}
.qstrip h2 small{font-family:inherit;font-size:19px;color:var(--pencil);font-weight:400}
.qstrip ol{list-style:none;margin:0;padding:0 0 10px;display:grid;grid-auto-flow:column;grid-auto-columns:168px;gap:12px;overflow-x:auto;scroll-snap-type:x proximity;overscroll-behavior-x:contain}
.qstrip li{scroll-snap-align:start}
.qstrip li a{display:flex;flex-direction:column;gap:7px;height:100%;text-decoration:none;border:var(--line) solid var(--ink);border-radius:var(--r2);padding:8px;background:var(--paper)}
.qstrip li a:hover{background:var(--wash)}
.qstrip .q-img{display:flex;align-items:center;justify-content:center;height:190px;overflow:hidden;border-radius:var(--r1);background:var(--paper)}
.qstrip .q-pic{display:block;max-width:100%;max-height:190px;width:auto;height:auto}
.qstrip b{font-family:var(--hand);font-size:20px;line-height:1.05;font-weight:700}
.partnav{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 0}
.partnav a{display:flex;align-items:center;gap:7px;text-decoration:none;font-family:var(--hand);font-size:21px;line-height:1;border:1.4px solid var(--ink);border-radius:var(--r1);padding:4px 12px 3px}
.partnav a:hover{background:var(--wash)}
.partnav b{width:24px;height:24px;border-radius:50%;background:var(--ink);color:var(--paper);display:flex;align-items:center;justify-content:center;font-size:17px}
.go{display:inline-block;font-family:var(--hand);font-size:26px;font-weight:700;text-decoration:none;background:var(--ink);color:var(--paper);border:var(--line) solid var(--ink);border-radius:var(--r1);padding:6px 20px 5px;margin:0 10px 8px 0}
.go.ghost{background:transparent;color:var(--ink)}
.pmap{scroll-margin-top:70px}
.pmap h2 small{margin-left:auto;font-size:19px;color:var(--pencil);font-weight:400}
.pmap h2{font-family:var(--hand);font-size:38px;line-height:1;margin:44px 0 14px;display:flex;align-items:center;gap:12px}
.pn-n{width:44px;height:44px;border:var(--line) solid var(--ink);border-radius:50% 46% 52% 48%;display:flex;align-items:center;justify-content:center;font-size:30px;flex:none}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,255px),1fr));gap:14px}
.cards a{display:grid;grid-template-columns:auto 1fr;column-gap:10px;align-content:start;height:100%;text-decoration:none;border:var(--line) solid var(--ink);border-radius:var(--r2);padding:12px 14px 12px;background:var(--paper);box-shadow:4px 4px 0 var(--faintline)}
.th-img{grid-column:1/-1;display:block;aspect-ratio:3/2;overflow:hidden;border-radius:9px;border:1.4px solid var(--faintline);background:var(--wash);margin-bottom:9px}
.th-img img{display:block;width:100%;height:100%;object-fit:cover;object-position:50% 0}
.th-img.fit img{object-fit:contain;object-position:50% 50%}
.cards a:hover{background:var(--wash);box-shadow:4px 4px 0 var(--ink)}
.cards i{font-style:normal;font-family:var(--hand);font-size:20px;color:var(--pencil);grid-row:1}
.cards b{font-family:var(--hand);font-size:28px;line-height:1.05}
.cards span{grid-column:1/-1;font-size:15.5px;line-height:1.4;color:color-mix(in srgb,var(--ink) 82%,var(--paper));margin-top:5px}

/* glossary */
.gloss{margin:20px 0}
.gl{font-family:var(--hand);font-size:44px;font-weight:700;line-height:1;margin:34px 0 6px;border-bottom:var(--line) solid var(--ink);max-width:66ch}
.ge{padding:10px 0;border-bottom:1px dashed var(--faintline);max-width:66ch;scroll-margin-top:80px}
.ge:target{background:var(--wash)}
.ge dt{font-family:var(--hand);font-size:28px;font-weight:700;line-height:1.1}
.ge dd{margin:2px 0 0}
.seen{display:block;font-family:var(--hand);font-size:18px;color:var(--pencil)}

/* progress, phone pill, back to top, visited marks */
.prog{position:fixed;left:0;right:0;top:calc(var(--topH) - 2px);height:4px;z-index:51;pointer-events:none}
.prog i{display:block;height:100%;width:100%;background:var(--ink);transform-origin:0 50%;transform:scaleX(0);border-radius:0 3px 3px 0}
.mpill{display:none;position:fixed;left:12px;bottom:12px;z-index:45;max-width:calc(100vw - 84px);align-items:center;gap:6px;background:var(--paper);color:var(--ink);border:var(--line) solid var(--ink);border-radius:var(--r1);box-shadow:3px 3px 0 var(--faintline);padding:5px 12px 4px;cursor:pointer;font-family:var(--hand);font-size:20px;line-height:1.1}
.mpill b{font-size:22px;flex:none}
.mpill span{color:var(--pencil);flex:none;white-space:nowrap}
.mpill em{font-style:normal;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.mpill svg{flex:none;width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.totop{position:fixed;right:14px;bottom:14px;z-index:45;width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--paper);border:0;cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center}
.totop svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
body.nav-open .mpill{display:none}
.part li.seen:not(.on)>a::after{content:"\2713";margin-left:auto;color:var(--pencil);font-size:17px}
.cards li.seen i::after{content:" \2713"}

/* ------------------------------ narrow */
@media (max-width:960px){
  .burger{display:block}
  .brand small{display:none}
  .side{position:fixed;left:0;top:var(--topH);bottom:0;height:auto;width:min(86vw,320px);background:var(--paper);z-index:60;transform:translateX(-102%);visibility:hidden;transition:transform .2s,visibility .2s;border-right:var(--line) solid var(--ink)}
  body.nav-open .side{transform:none;visibility:visible;box-shadow:8px 0 30px rgba(0,0,0,.3)}
  body.nav-open .scrim{display:block;position:fixed;inset:var(--topH) 0 0 0;background:rgba(0,0,0,.35);z-index:55}
  main{padding:22px 16px 90px}
  .themes .th{padding:0 8px;font-size:17px}
  .mpill{display:flex}
}
@media (max-width:900px){.prt{display:none}}
@media (max-width:719px){
  .fig{--maxh:70vh}
  .fig-float,.fig-float.k-land,.fig-float.k-sq{float:none;width:auto;margin:24px auto}
  .fig-float figcaption{font-size:21px}
  .fig-float .legend{flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 18px;font-size:20px}
  .figrow .legend{flex-direction:row;flex-wrap:wrap;justify-content:center;align-items:center}
}
@media (max-width:640px){
  body{font-size:17px}
  .top{gap:8px;padding:0 10px}
  .search{flex:0 0 34px;min-width:0;max-width:none}
  .search .sico{display:block}
  .search input{width:34px;height:34px;padding:0;cursor:pointer;color:transparent;caret-color:transparent}
  .search input::placeholder{color:transparent}
  .search:focus-within,.search:has(.res:not([hidden])){position:absolute;left:10px;right:10px;top:10px;flex:none;z-index:5}
  .search:focus-within input,.search:has(.res:not([hidden])) input{width:100%;height:36px;padding:0 12px 0 34px;cursor:text;color:var(--ink);caret-color:auto;background:var(--paper)}
  .search:focus-within input::placeholder{color:var(--pencil)}
  .brand{font-size:26px}
  .brand span{display:none}
  .themes{gap:4px}
  .th{height:32px;padding:0 7px;font-size:16px}
  .ch-head h1{font-size:46px}
  .hero h1{font-size:72px}
  .hero .ink-wordmark{width:104px}
  .go{font-size:22px;padding:5px 14px 4px;margin-right:6px}
  .partnav{gap:6px}
  .partnav a{font-size:18px;padding:3px 9px 2px;gap:5px}
  .partnav b{width:20px;height:20px;font-size:15px}
  .tbl th,.tbl td{padding-right:8px}
  .pmap h2{font-size:32px}
  .chapter h2{font-size:34px;margin-top:44px}
  .chapter h3{font-size:27px}
  .learn p{font-size:24px}
  .lede{font-size:23px}
  .pn{grid-template-columns:1fr}
  .pn .next{grid-column:1}
  .anc{display:none}
}

/* ------------------------------ print: one chapter per print, Paper colours, figures kept whole */
@page{margin:14mm}
@media print{
  :root,:root[data-theme]{--paper:#fff;--ink:#000;--pencil:#555;--graph:#fff;--gr:0%;--wash:#f1efe9;--faintline:#bbb;color-scheme:light}
  html,body{background:#fff!important;background-image:none!important}
  body{font-size:11.5pt;line-height:1.45;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .top,.side,.scrim,.pn,.anc,.prog,.mpill,.totop,.lb,.partnav,.go{display:none!important}
  .shell{display:block;max-width:none}
  main{padding:0}
  main>*{max-width:none}
  .ch-head h1{font-size:40pt}
  .chapter h2{font-size:24pt;margin-top:20pt}
  .chapter h3{font-size:18pt}
  .callout,.steps,.glance li,.learn,.fig,.ge,.cards a,.pmap{break-inside:avoid;box-shadow:none!important}
  .glance{break-inside:auto}
  h2,h3{break-after:avoid}
  .fig{--maxh:105mm}
  .fig-float.k-tall{width:56mm}
  .fig-float.k-land,.fig-float.k-sq{width:80mm}
  .fig-float,.figrow{break-inside:avoid}
  .figrow .fig.k-tall{flex:0 1 56mm}
  .fig .pic{box-shadow:none}
  .shot{cursor:default}
  .pin,.legend b,.lbl,.chip{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  a{text-decoration:none}
  .c-careful{background:#fff}
  .res{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.side{transition:none}}