/* Looking Glass: a ripple-tank notebook. One column of ~66ch, figures break out to 960px.
   Cool paper, deep sea-ink, two wave colours (amber = compression, teal = rarefaction). */
:root{
  --paper:#eef2f0; --paper-2:#e2e9e6; --ink:#13262b; --ink-soft:#4a5e62; --rule:#c3cfcc;
  --amber:#c8711f; --teal:#1d6f88; --held:#2f7a4f; --missed:#a83c2a; --mark:#f3d9a4;
  --display:"Fraunces", Georgia, serif;
  --body:"Fraunces", Georgia, "Times New Roman", serif;
  --mono:"JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --hand:"Fraunces", Georgia, serif;
  --col:66ch; --wide:960px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0e1619; --paper-2:#152126; --ink:#dfe8e6; --ink-soft:#9db0b2; --rule:#2a3b40;
  --amber:#e39a4c; --teal:#4fb3cf; --held:#6cc08e; --missed:#e7765f; --mark:#5a4720; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0e1619; --paper-2:#152126; --ink:#dfe8e6; --ink-soft:#9db0b2; --rule:#2a3b40;
  --amber:#e39a4c; --teal:#4fb3cf; --held:#6cc08e; --missed:#e7765f; --mark:#5a4720; color-scheme:dark}
body{background:var(--paper);color:var(--ink);font:17px/1.62 var(--body);
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.lg-part{max-width:var(--col);margin-inline:auto;padding-block:3.5rem}
.lg-part + .lg-part{border-top:1px solid var(--rule)}
.lg-wide{max-width:var(--wide);margin-inline:auto}
.lg-part h2{font:600 clamp(1.7rem,4vw,2.5rem)/1.1 var(--display);text-wrap:balance;margin:0 0 .4em}
.lg-part h3{font:600 1.15rem/1.3 var(--body);margin:1.6em 0 .4em}
.lg-eyebrow{font:500 .74rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin:0 0 .9rem}
.lg-cap{font:.8rem/1.45 var(--mono);color:var(--ink-soft)}
.lg-note{font:1.25rem/1.25 var(--hand);color:var(--teal)}
.lg-btn{font:600 .85rem/1 var(--mono);letter-spacing:.04em;padding:.65em 1em;border:1.5px solid var(--ink);background:transparent;color:var(--ink);border-radius:2px;cursor:pointer}
.lg-btn:hover{background:var(--ink);color:var(--paper)} .lg-btn:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.lg-btn[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.lg-held{color:var(--held)} .lg-missed{color:var(--missed)}
canvas{max-width:100%;display:block}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}
.lg-part .lg-wide{width:min(var(--wide),calc(100vw - 48px));max-width:none;margin-inline:calc((100% - min(var(--wide),calc(100vw - 48px))) / 2)}

/* hero */
#hero{padding-block:2.5rem 3rem}
#hero .hero-title{font:600 clamp(3rem,11vw,6.6rem)/.92 var(--display);margin:.2rem 0 1.2rem;display:flex;flex-direction:column;letter-spacing:-.01em}
#hero .hero-mirror{transform:scaleY(-1);opacity:.16;margin-top:-.08em;
  -webkit-mask-image:linear-gradient(to top,#000 0%,transparent 70%);mask-image:linear-gradient(to top,#000 0%,transparent 70%);
  color:var(--teal);filter:blur(.4px);user-select:none}
#hero .hero-thesis{font-size:1.2rem;line-height:1.5;max-width:56ch;margin:0 0 2rem}
#hero .hero-tank{display:flex;flex-direction:column;gap:.8rem}
#hero canvas{width:100%;height:auto;aspect-ratio:8/5;background:var(--paper-2);border:1px solid var(--rule);touch-action:manipulation}
#hero .hero-status{margin:0;font:500 .95rem/1.4 var(--body);min-height:2.8em}
#hero .hero-controls{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}
#hero .lg-btn:disabled{opacity:.4;cursor:not-allowed} #hero .lg-btn:disabled:hover{background:transparent;color:var(--ink)}
#hero .hero-sep{width:1px;height:1.6rem;background:var(--rule)}
#hero .hero-loss{display:flex;align-items:center;gap:.5rem;font:500 .8rem/1 var(--mono)}
#hero .hero-loss input{accent-color:var(--amber);width:7rem}
#hero .hero-loss output{min-width:4.5em}
#hero .hero-legend{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;align-items:center}
#hero .sw{display:inline-block;width:.8em;height:.8em;margin-right:.35em;vertical-align:-.05em;border-radius:50%}
#hero .sw-a{background:var(--amber)} #hero .sw-t{background:var(--teal)}
#hero .sw-s{border:2px solid var(--ink);border-radius:0;transform:rotate(45deg)} #hero .sw-m{background:var(--ink);width:.4em;height:.8em;border-radius:1px}
#hero #hero-meter{margin-left:auto;color:var(--ink)}
#hero .hero-foot{max-width:var(--col);margin:1.2rem 0 0}
@media (max-width:520px){#hero .hero-sep{display:none} #hero #hero-meter{margin-left:0;width:100%}}

/* 01-prologue */
#prologue .lg-note{display:block;margin:1.2rem 0 .6rem;padding:.1rem 0 .1rem .8rem;border-left:2px solid var(--teal);max-width:30ch}
#prologue strong{font-weight:600}
#prologue em{font-style:italic;color:var(--ink)}
@media (min-width:760px){
  #prologue .lg-note{float:right;clear:right;width:12.5rem;margin:.3rem 0 .8rem 1.4rem;padding:0;border:0;transform:rotate(-1.5deg)}
}
@media (min-width:1220px){
  #prologue .lg-note{margin-right:-15rem;margin-left:1.5rem}
}

/* 02-history */
/* Part 2: history timeline. Spine = inline SVG wave, coloured via currentColor. */
#history{--hx-gut:.95rem;--hx-pad:2.6rem}
#history .hx-lede{margin:0 0 .6rem}
#history .hx-legend{margin:0 0 2rem}
#history .hx-check{font:1rem/1 var(--hand);color:var(--ink);background:var(--mark);padding:.05em .35em .1em;border-radius:2px;white-space:nowrap;border-bottom:1.5px dotted var(--amber);letter-spacing:0}
#history .hx-track{position:relative}
#history .hx-spine{position:absolute;top:.4rem;bottom:.4rem;left:calc(var(--hx-gut) - 7px);width:14px;height:calc(100% - .8rem);color:var(--teal);opacity:.75;overflow:visible}
#history .hx-line{list-style:none;margin:0;padding:0}
#history .hx-entry{position:relative;padding:0 0 2.1rem var(--hx-pad)}
#history .hx-entry::before{content:"";position:absolute;left:calc(var(--hx-gut) - 7px);top:.2rem;width:10px;height:10px;border-radius:50%;background:var(--paper);border:2px solid var(--teal)}
#history .hx-lab::before{background:var(--amber);border-color:var(--amber)}
#history .hx-when{margin:0 0 .15rem;font:600 .82rem/1.3 var(--mono);letter-spacing:.06em;color:var(--teal)}
#history .hx-lab .hx-when{color:var(--amber)}
#history .hx-who{font:600 1.12rem/1.3 var(--display);margin:0 0 .45rem;text-wrap:balance}
#history .hx-what,#history .hx-bill{margin:0 0 .4rem}
#history .hx-bill{color:var(--ink-soft);border-left:2px solid var(--rule);padding-left:.7rem}
#history .hx-tag{display:inline-block;font:500 .66rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin-right:.35em;vertical-align:.12em}
#history .hx-bill .hx-tag{color:var(--missed)}
#history .hx-aside{margin:.5rem 0 0;font:1.15rem/1.25 var(--hand);color:var(--teal)}
#history .hx-join{position:relative;padding:.4rem 0 2.2rem var(--hx-pad);font:500 .74rem/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--amber)}
#history .hx-join span{display:inline-block;background:var(--paper);padding-right:.5rem}
#history .hx-join::before{content:"";position:absolute;left:0;right:0;top:1.05rem;border-top:1px dashed var(--amber)}
#history .hx-join span{position:relative}
#history .hx-close{margin:.5rem 0 0 var(--hx-pad);max-width:34ch}
@media (min-width:640px){
  #history{--hx-gut:8.2rem;--hx-pad:10rem}
  #history .hx-when{position:absolute;left:0;top:0;width:7.2rem;text-align:right}
  #history .hx-join::before{left:var(--hx-pad)}
  #history .hx-join span{padding-left:0}
}

/* 03-plates */
#plates .pl-lead{font-size:1.08rem}
#plates .pl-key{border-left:2px solid var(--rule);padding:.1rem 0 .1rem .9rem;margin:1.4rem 0 2rem}
#plates .pl-key p{margin:0}
#plates figure{margin-top:0;margin-bottom:0;margin-right:0}
#plates .pl-cell,#plates .pl-half figure{margin-left:0}
#plates .lg-wide{width:min(var(--wide),calc(100vw - 32px));max-width:none;margin-left:50%;transform:translateX(-50%)}
#plates .pl-frame{background:var(--paper-2);border:1px solid var(--rule);padding:0;box-shadow:inset 0 0 0 3px var(--paper)}
#plates .pl-canvas{width:100%;aspect-ratio:80/121;height:auto}
#plates .pl-frame-big .pl-canvas{aspect-ratio:82/121}

#plates .pl-first{display:grid;grid-template-columns:minmax(0,460px) minmax(0,1fr);gap:1.6rem 2.2rem;align-items:start;margin-top:2rem;margin-bottom:2.6rem}
#plates .pl-firstcap{padding-top:.4rem}
#plates .pl-numeral{font:600 .78rem/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft);margin:0 0 .3rem}
#plates .pl-title{font:italic 600 1.9rem/1.1 var(--display);margin:0 0 .8rem;color:var(--ink)}
#plates .pl-firstcap .lg-cap{margin:0 0 1rem}
#plates .pl-firstcap .lg-note{margin:0 0 1rem}
#plates .pl-firstcap strong{color:var(--ink)}

#plates .pl-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1.4rem 1rem;margin-top:1.4rem;margin-bottom:1.6rem}
#plates .pl-cell figcaption{margin-top:.45rem}
#plates .pl-cell b,#plates .pl-half b{font-family:var(--display);font-weight:600;color:var(--ink);margin-right:.25em}
#plates .pl-tally{margin-bottom:.4rem}
#plates .pl-margin{margin:.2rem 0 0 1.2rem;max-width:44ch}

#plates .pl-twelve{margin-top:1.6rem;margin-bottom:1.4rem}
#plates .pl-pair{display:grid;grid-template-columns:repeat(2,minmax(0,300px));justify-content:center;gap:1.6rem}
#plates .pl-half .lg-cap{margin:.45rem 0 0}
#plates .pl-twelve figcaption{max-width:var(--col);margin:1.4rem auto 0}
#plates .pl-agree{width:100%;border-collapse:collapse;font:.8rem/1.4 var(--mono);color:var(--ink)}
#plates .pl-agree caption{text-align:left;margin-bottom:.4rem}
#plates .pl-agree th,#plates .pl-agree td{text-align:left;padding:.45em .5em .45em 0;border-bottom:1px solid var(--rule);vertical-align:top}
#plates .pl-agree thead th{color:var(--ink-soft);font-weight:500}
#plates .pl-agree tbody th{font-weight:600}
#plates .pl-limits{border-top:1px solid var(--rule);padding-top:.9rem;margin-top:1.6rem}

@media (max-width:760px){
  #plates .pl-first{grid-template-columns:minmax(0,1fr)}
  #plates .pl-frame-big{max-width:440px}
  #plates .pl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:480px){
  #plates .pl-pair{gap:.8rem}
  #plates .pl-agree{font-size:.72rem}
}

/* 04-bill */
/* Part 04: Who pays the bill (loss sweep flipbook). Every selector scoped to #bill. */
#bill .bill-fig{margin-block:2rem 2.2rem}
#bill .bill-stage{display:grid;grid-template-columns:minmax(0,290px) minmax(0,1fr);gap:1.6rem 1.8rem;align-items:start}
#bill .bill-plate{position:relative;box-sizing:border-box;background:var(--paper-2);border:1px solid var(--rule);padding:10px;margin:0}
#bill .bill-canvas{width:100%;height:auto;aspect-ratio:80/121;display:block}
#bill .bill-plate-tag{position:absolute;left:18px;top:14px;margin:0;font:600 .78rem/1 var(--mono);
  color:var(--ink);background:var(--paper-2);padding:.25em .4em;border:1px solid var(--rule)}

#bill .bill-side{min-width:0}
#bill .bill-control{margin:0 0 1.4rem}
#bill .bill-label{display:block;font:500 .74rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin:0 0 .7rem}
#bill .bill-range{width:100%;margin:0;accent-color:var(--amber);height:2rem;cursor:pointer;background:transparent}
#bill .bill-range:focus-visible{outline:2px solid var(--amber);outline-offset:4px}
#bill .bill-ticks{list-style:none;margin:.2rem 0 0;padding:0;display:flex;justify-content:space-between;
  font:.72rem/1 var(--mono);color:var(--ink-soft)}
#bill .bill-ticks li{width:0;display:flex;justify-content:center;white-space:nowrap}
#bill .bill-ticks li:first-child{justify-content:flex-start}
#bill .bill-ticks li:last-child{justify-content:flex-end}
#bill .bill-ticks li.is-on{color:var(--amber);font-weight:600}

#bill .bill-read{margin:0 0 1.2rem;padding:0}
#bill .bill-row{border-top:1px solid var(--rule);padding:.8rem 0 .9rem}
#bill .bill-row dt{font:.8rem/1.3 var(--mono);color:var(--ink-soft);margin:0 0 .3rem}
#bill .bill-unit{opacity:.85}
#bill .bill-row dd{margin:0}
#bill .bill-num{font:600 2.1rem/1 var(--display);color:var(--ink);font-variant-numeric:tabular-nums;margin-right:.6rem}
#bill .bill-ref{font:.78rem/1 var(--mono);color:var(--teal);white-space:nowrap}
#bill .bill-meter{position:relative;height:8px;margin-top:.6rem!important;background:var(--paper-2);border:1px solid var(--rule)}
#bill .bill-bar{position:absolute;left:0;top:0;bottom:0;width:calc(var(--v,0) * 100%);background:var(--amber);transition:width .25s ease}
#bill .bill-bar.is-gone{background:repeating-linear-gradient(135deg,var(--missed) 0 3px,transparent 3px 7px)}
#bill .bill-tick{position:absolute;top:-5px;bottom:-5px;width:2px;left:calc(var(--v,0) * 100%);background:var(--teal)}

#bill .bill-verdict{font:600 .95rem/1.4 var(--body);margin:0 0 1rem;padding:.55rem .8rem;border-left:3px solid var(--held);background:var(--paper-2)}
#bill .bill-verdict.bill-mixed{border-left-color:var(--amber)}
#bill .bill-verdict.bill-hurt{border-left-color:var(--missed)}
#bill .bill-margin{margin:0;transform:rotate(-2deg);transform-origin:left center;max-width:22ch}

#bill .bill-fig > .lg-cap{margin-top:1rem}
#bill .bill-preds{padding-left:1.1rem;margin:.4rem 0 1.4rem}
#bill .bill-preds li{margin:.35rem 0}
#bill .bill-preds span{font:600 .85rem/1 var(--mono);margin-right:.35rem}

@media (max-width:640px){
  #bill .bill-stage{grid-template-columns:minmax(0,1fr)}
  #bill .bill-plate{max-width:300px;margin-inline:auto;width:100%;box-sizing:border-box}
  #bill .bill-margin{max-width:none}
}

/* 05-billiards */
#billiards .bl-fig{margin:1.8rem 0 1.4rem;width:min(var(--wide),calc(100vw - 32px));max-width:none;position:relative;left:50%;transform:translateX(-50%)}
#billiards .bl-stage{position:relative;width:100%;aspect-ratio:16/10;background:var(--paper-2);border:1px solid var(--rule);border-radius:2px;overflow:hidden}
#billiards .bl-canvas{width:100%;height:100%;display:block}
#billiards .bl-controls{display:flex;flex-wrap:wrap;gap:.5rem;margin:.8rem 0 .6rem}
#billiards .bl-controls .lg-btn{flex:0 1 auto}
#billiards .bl-nudge[aria-pressed="true"]{background:var(--missed);border-color:var(--missed);color:var(--paper)}
#billiards .bl-readout{display:flex;flex-wrap:wrap;align-items:baseline;gap:.3rem 1.4rem;font:.8rem/1.4 var(--mono);color:var(--ink-soft)}
#billiards .bl-stat{margin:0}
#billiards .bl-v{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
#billiards .bl-gapstat{flex:1 1 16rem}
#billiards .bl-meter{position:relative;flex:1 1 100%;height:1.6rem;border-bottom:1px solid var(--rule);margin-top:.2rem}
#billiards .bl-meter-fill{position:absolute;left:0;bottom:0;height:.45rem;width:0;background:var(--missed)}
#billiards .bl-meter-lo,#billiards .bl-meter-hi{position:absolute;top:0;font-size:.7rem;color:var(--ink-soft)}
#billiards .bl-meter-lo{left:0} #billiards .bl-meter-hi{right:0}
#billiards .bl-status{font:1.2rem/1.3 var(--hand);color:var(--teal);margin:.7rem 0 .4rem;min-height:1.6em}
#billiards .lg-cap{margin:.2rem 0 0}
#billiards em{font-style:italic}
#billiards .bl-bill{padding-left:1.2rem}
#billiards .bl-bill li{margin:.35rem 0}
#billiards .lg-note{display:block;margin:1.2rem 0 .6rem;padding:.1rem 0 .1rem .8rem;border-left:2px solid var(--teal);max-width:30ch}
@media (min-width:760px){
  #billiards .lg-note{float:right;clear:right;width:12.5rem;margin:.3rem 0 .8rem 1.4rem;padding:0;border:0;transform:rotate(-1.5deg)}
}
@media (min-width:1220px){
  #billiards .lg-note{margin-right:-15rem;margin-left:1.5rem}
}
#billiards h3{clear:none}

/* 06-room */
#room .room-fig{margin-block:2rem;padding:0}
#room .room-grid{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:1.5rem;align-items:start}
@media (max-width:760px){#room .room-grid{grid-template-columns:minmax(0,1fr)}}
#room .room-plan{min-width:0}
#room .room-hint{margin:0 0 .4rem}
#room .room-canvas{width:100%;height:auto;background:var(--paper-2);border:1px solid var(--rule);border-radius:2px;touch-action:none;cursor:grab}
#room .room-canvas.is-drag{cursor:grabbing}
#room .room-canvas:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
#room .room-controls{display:flex;flex-wrap:wrap;gap:.6rem 1.2rem;margin-top:.8rem;align-items:center}
#room .room-group{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}
#room .room-group .lg-cap{margin-right:.2rem}
#room .room-panel{min-width:0}
#room .room-read{margin:0;font:.82rem/1.35 var(--mono);border-top:1px solid var(--rule)}
#room .room-read div{display:flex;justify-content:space-between;gap:.8rem;padding:.42rem 0;border-bottom:1px solid var(--rule)}
#room .room-read dt{color:var(--ink-soft);flex:1 1 auto;min-width:0}
#room .room-read dd{margin:0;color:var(--ink);font-weight:600;text-align:right;flex:0 1 auto;max-width:55%}
#room .room-read dd.is-pass{color:var(--held)}
#room .room-read dd.is-fail{color:var(--missed)}
#room .room-read dd.is-void{color:var(--amber)}
#room .room-verdict{font:600 1.05rem/1.3 var(--body);margin:.8rem 0 1rem;padding:.5rem .7rem;border-left:3px solid var(--amber);background:var(--paper-2)}
#room .room-verdict.is-pass{border-left-color:var(--held)}
#room .room-sketch{margin:0 0 .9rem}
#room .room-sketch .lg-cap{margin:0 0 .3rem}
#room .room-sketch canvas{width:100%;height:120px;background:var(--paper-2);border:1px solid var(--rule);border-radius:2px}
#room .room-cap{margin-top:1rem}
#room .room-cap code{font:inherit;color:var(--ink)}
#room .room-list{padding-left:1.2rem}
#room .room-list li{margin:.2rem 0}
#room .room-margin{margin-top:1.4rem;transform:rotate(-1deg)}

/* 07-skeptic */
#skeptic .sk-desk{margin-top:2rem}
#skeptic .sk-tools{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1rem;margin:0 0 1rem}
#skeptic .sk-state{margin:0}
#skeptic .sk-page{list-style:none;counter-reset:sk;margin:0;padding:1.4rem 1.1rem 1.4rem 2.6rem;position:relative;
  background-color:var(--paper-2);
  background-image:linear-gradient(to right,transparent 1.9rem,color-mix(in srgb,var(--missed) 45%,transparent) 1.9rem,color-mix(in srgb,var(--missed) 45%,transparent) calc(1.9rem + 1px),transparent calc(1.9rem + 1px)),
    repeating-linear-gradient(to bottom,transparent 0,transparent calc(1.7rem - 1px),color-mix(in srgb,var(--rule) 70%,transparent) calc(1.7rem - 1px),color-mix(in srgb,var(--rule) 70%,transparent) 1.7rem);
  border:1px solid var(--rule);border-radius:2px}
#skeptic .sk-entry{counter-increment:sk;position:relative;display:grid;grid-template-columns:minmax(0,1fr);gap:.35rem;
  padding:1.1rem 0 1.2rem;border-bottom:1px dashed var(--rule)}
#skeptic .sk-entry:last-child{border-bottom:0}
#skeptic .sk-entry::before{content:counter(sk,decimal-leading-zero);position:absolute;left:-2.35rem;top:1.2rem;
  font:600 .72rem/1 var(--mono);color:var(--ink-soft)}
#skeptic .sk-line > p{margin:0 0 .45rem}
#skeptic .sk-typed{font:.93rem/1.55 var(--mono);color:var(--ink)}
#skeptic .sk-tag{display:inline-block;font:600 .68rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink-soft);border:1px solid var(--rule);padding:0 .35em;margin-right:.4em;border-radius:2px;background:var(--paper)}
#skeptic del{text-decoration:line-through;text-decoration-color:var(--missed);text-decoration-thickness:2px;color:var(--ink-soft)}
#skeptic ins.sk-fix{text-decoration:none;font:1.3rem/1 var(--hand);color:var(--missed);margin-left:.3em}
#skeptic .sk-why,#skeptic .sk-did{font:.92rem/1.55 var(--body);color:var(--ink-soft)}
#skeptic .sk-why b,#skeptic .sk-did b{font:600 .7rem/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink);margin-right:.3em}
#skeptic code{font:.85em var(--mono)}
#skeptic .sk-red{color:var(--missed);margin:0;font-size:1.32rem;line-height:1.2;transform:rotate(-1.2deg);transform-origin:left top}
#skeptic .sk-date{font:600 .66rem/1 var(--mono);letter-spacing:.04em;color:var(--missed);border-bottom:1px solid var(--missed);margin-right:.35em;vertical-align:.2em}
#skeptic .sk-stamp{justify-self:start;margin:.2rem 0 0;font:700 .68rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;
  padding:.35em .55em;border:1.5px solid currentColor;border-radius:3px;transform:rotate(-2deg);background:var(--paper)}
#skeptic .sk-fixed{color:var(--teal)}
#skeptic .sk-kept{color:var(--missed)}
#skeptic .sk-held{color:var(--held)}
#skeptic .sk-open{color:var(--amber)}
@media (min-width:760px){
  #skeptic .sk-desk{--sk-w:min(var(--wide),calc(100vw - 64px));width:var(--sk-w);max-width:none;margin-left:calc((100% - var(--sk-w)) / 2)}
  #skeptic .sk-page{padding:1.6rem 1.6rem 1.6rem 3.2rem;
    background-image:linear-gradient(to right,transparent 2.4rem,color-mix(in srgb,var(--missed) 45%,transparent) 2.4rem,color-mix(in srgb,var(--missed) 45%,transparent) calc(2.4rem + 1px),transparent calc(2.4rem + 1px)),
      repeating-linear-gradient(to bottom,transparent 0,transparent calc(1.7rem - 1px),color-mix(in srgb,var(--rule) 70%,transparent) calc(1.7rem - 1px),color-mix(in srgb,var(--rule) 70%,transparent) 1.7rem)}
  #skeptic .sk-entry{grid-template-columns:minmax(0,1fr) 15rem;column-gap:1.6rem;align-items:start}
  #skeptic .sk-entry::before{left:-2.7rem}
  #skeptic .sk-line{grid-row:1 / span 2}
  #skeptic .sk-red{grid-column:2;padding-left:.9rem;border-left:2px solid color-mix(in srgb,var(--missed) 55%,transparent)}
  #skeptic .sk-stamp{grid-column:2;margin-left:.9rem;align-self:start}
}
/* "Show the original lines": the page as typed, red pencil lifted */
#skeptic .sk-desk.sk-original .sk-red,
#skeptic .sk-desk.sk-original .sk-fix,
#skeptic .sk-desk.sk-original .sk-why,
#skeptic .sk-desk.sk-original .sk-did,
#skeptic .sk-desk.sk-original .sk-stamp{display:none}
#skeptic .sk-desk.sk-original del{text-decoration:none;color:var(--ink)}
#skeptic .sk-desk.sk-original .sk-entry{padding:.7rem 0}
#skeptic .sk-rule{margin-top:2rem;padding:1.2rem 1.3rem;border:1.5px solid var(--missed);border-radius:2px;background:var(--paper)}
#skeptic .sk-rule > p:last-child{margin:0;color:var(--ink-soft);font-size:.95rem}
#skeptic .sk-rule .lg-eyebrow{color:var(--missed);margin-bottom:.6rem}
#skeptic .sk-rule-text{font:600 clamp(1.2rem,3.2vw,1.55rem)/1.25 var(--display);margin:0 0 .6rem;color:var(--ink)}

/* 09-futures */
/* Part 9: futures. Cards with hand-drawn glyphs, a three-mark gauge and a bill. */
#futures .fu-charges{padding-left:1.2em;margin:.4em 0 1em}
#futures .fu-charges li{margin:.15em 0}
#futures .fu-charges b{font-weight:600}
#futures .fu-margin{margin:.2em 0 .2em;transform:rotate(-1.2deg);transform-origin:left center}
#futures .fu-defs{position:absolute;width:0;height:0;overflow:hidden}
#futures .fu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,270px),1fr));gap:1.1rem;margin-top:1.6rem;position:relative}
#futures .fu-card{background:var(--paper-2);border:1px solid var(--rule);border-radius:3px;padding:1rem 1.05rem 1.1rem;min-width:0;display:flex;flex-direction:column}
#futures .fu-card[data-state="dream"]{border-style:dashed}
#futures .fu-card h3{margin:.55em 0 .5em;font-size:1.05rem}
#futures .fu-card p{margin:0 0 .6em;font-size:.93rem;line-height:1.5}
#futures .fu-glyph{border-bottom:1px solid var(--rule);padding-bottom:.4rem}
#futures .fu-svg{width:100%;height:auto;display:block;max-height:150px}
#futures .fu-svg *{fill:none;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
#futures .fu-ink{stroke:var(--ink);stroke-width:1.5}
#futures .fu-thick{stroke-width:3}
#futures .fu-soft{stroke:var(--ink-soft);stroke-width:1.3}
#futures .fu-dash{stroke-dasharray:3 3}
#futures .fu-o1{opacity:.7} #futures .fu-o2{opacity:.45}
#futures .fu-ray{stroke:var(--ink-soft);stroke-width:1;stroke-dasharray:2 3}
#futures .fu-a{stroke:var(--amber);stroke-width:2}
#futures .fu-t{stroke:var(--teal);stroke-width:2}
#futures .fu-focus{fill:var(--amber);stroke:none}
#futures .fu-target{fill:var(--mark)}
#futures .fu-pane{fill:var(--paper)}
#futures .fu-dot{fill:var(--ink-soft);stroke:none}
#futures .fu-stone{fill:var(--ink);stroke:var(--ink);stroke-width:1}
#futures .fu-heat{stroke:var(--amber);stroke-width:1.2;opacity:.75}
#futures .fu-miss{stroke:var(--missed);stroke-width:2}
/* converging pulse: outer arc, middle, inner, then the focus flashes; runs only while on screen */
@keyframes fu-pulse{0%,100%{opacity:.25}12%{opacity:1}30%{opacity:.25}}
@keyframes fu-flash{0%,35%,100%{opacity:.5}45%{opacity:1}}
#futures.is-live .fu-wave{animation:fu-pulse 2.4s ease-in-out infinite}
#futures.is-live .fu-w2{animation-delay:.25s}
#futures.is-live .fu-w3{animation-delay:.5s}
#futures.is-live .fu-focus{animation:fu-flash 2.4s ease-in-out infinite}
/* gauge */
#futures .fu-gauge{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;margin:0 0 .9em}
#futures .fu-pip{font:500 .66rem/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;text-align:center;
  padding:.5em .2em;border:1px solid var(--rule);color:var(--ink-soft);background:var(--paper);border-radius:2px}
#futures .fu-pip.is-on{color:var(--paper);font-weight:700}
#futures [data-state="world"] .fu-pip.is-on{background:var(--held);border-color:var(--held)}
#futures [data-state="lab"] .fu-pip.is-on{background:var(--teal);border-color:var(--teal)}
#futures [data-state="dream"] .fu-pip.is-on{background:var(--amber);border-color:var(--amber)}
#futures .fu-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
#futures .fu-card .fu-k{font:600 .7rem/1.2 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);margin:.3em 0 .3em}
#futures .fu-bill{list-style:none;padding:0;margin:0 0 .55em;display:flex;flex-wrap:wrap;gap:.3rem}
#futures .fu-bill li{font:.72rem/1.25 var(--mono);padding:.25em .55em;border:1px solid var(--missed);color:var(--missed);border-radius:2px}
#futures .fu-card .fu-src{font-size:.76rem;line-height:1.45;margin-top:auto;padding-top:.5em;border-top:1px dotted var(--rule)}
#futures .fu-close{font-size:1rem}

/* 10-ledger */
/* 10-ledger: an account book of every pre-registered prediction on PG-020. */
#ledger .lgl-key{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;margin:1.2rem 0 1.6rem;font:.8rem/1.3 var(--mono);color:var(--ink-soft)}
#ledger .lgl-keyitem{display:inline-flex;align-items:center;gap:.45em;white-space:nowrap}

/* the four marks: shape carries the meaning, colour backs it up */
#ledger .lgl-mark{position:relative;display:inline-block;flex:none;width:.85em;height:.85em;vertical-align:-.08em;box-sizing:border-box}
#ledger [data-outcome="held"] .lgl-mark{border-radius:50%;background:var(--held)}
#ledger [data-outcome="missed"] .lgl-mark::before,
#ledger [data-outcome="missed"] .lgl-mark::after{content:"";position:absolute;left:50%;top:-8%;width:.18em;height:116%;margin-left:-.09em;background:var(--missed);transform:rotate(45deg)}
#ledger [data-outcome="missed"] .lgl-mark::after{transform:rotate(-45deg)}
#ledger [data-outcome="vacuous"] .lgl-mark{border-radius:50%;border:.14em solid var(--held)}
#ledger [data-outcome="notrun"] .lgl-mark{border:.12em dashed var(--ink-soft)}

/* the book */
#ledger .lgl-book{background:var(--paper-2);border:1px solid var(--rule);border-left:4px double var(--rule);padding:1.2rem 1rem 1rem;box-sizing:border-box}
#ledger .lgl-group + .lgl-group{margin-top:1.8rem}
#ledger .lgl-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:.2rem .6rem;margin:0 0 .7rem;padding-bottom:.35rem;border-bottom:1.5px solid var(--ink);font:600 1.02rem/1.3 var(--body)}
#ledger .lgl-folio{font:600 .8rem/1 var(--mono);color:var(--ink-soft);min-width:1.6em}
#ledger .lgl-when{margin-left:auto;font:400 .74rem/1.3 var(--mono);color:var(--ink-soft);letter-spacing:.04em}

#ledger .lgl-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:.6rem}
#ledger .lgl-tile{position:relative;display:flex;flex-direction:column;gap:.35rem;margin:0;padding:.7rem .8rem .6rem;background:var(--paper);border:1px solid var(--rule);border-top:3px solid var(--rule);min-width:0}
#ledger .lgl-tile[data-outcome="held"]{border-top-color:var(--held)}
#ledger .lgl-tile[data-outcome="vacuous"]{border-top:3px dotted var(--held)}
#ledger .lgl-tile[data-outcome="missed"]{border-top-color:var(--missed);border-left:3px solid var(--missed)}
#ledger .lgl-tile[data-outcome="notrun"]{border-style:dashed;border-top:3px dashed var(--ink-soft);background:transparent}
#ledger .lgl-id{font:600 1.05rem/1 var(--mono);letter-spacing:.02em}
#ledger .lgl-pred{margin:0;font:.92rem/1.45 var(--body)}
#ledger .lgl-out{margin:auto 0 0;padding-top:.4rem;border-top:1px solid var(--rule);font:.8rem/1.45 var(--mono);color:var(--ink-soft)}
#ledger .lgl-out .lgl-mark{margin-right:.45em}
#ledger .lgl-out b{font-weight:600;color:var(--ink);margin-right:.3em}
#ledger [data-outcome="held"] .lgl-out b,#ledger [data-outcome="vacuous"] .lgl-out b{color:var(--held)}
#ledger [data-outcome="missed"] .lgl-out b{color:var(--missed)}
#ledger .lgl-date{margin:0;font:.72rem/1.2 var(--mono);color:var(--ink-soft);text-align:right}
#ledger .lgl-tile.lgl-dim{opacity:.28}
#ledger .lgl-margin{margin:.8rem 0 0;max-width:46ch;transform:rotate(-.6deg)}

/* filter bar (built by part.js) */
#ledger .lgl-filter{display:flex;flex-wrap:wrap;gap:.4rem;margin:0 0 1rem}
#ledger .lgl-filter .lg-btn{display:inline-flex;align-items:center;gap:.45em;font-size:.76rem;padding:.5em .75em}
#ledger .lgl-filter .lg-btn[aria-pressed="true"] .lgl-mark{outline:1px solid var(--paper);outline-offset:1px}

/* totals line, ruled like the bottom of a page of accounts */
#ledger .lgl-total{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem 1rem;margin:1.8rem 0 .4rem;padding:.6rem 0;border-top:1.5px solid var(--ink);border-bottom:4px double var(--ink);font:.88rem/1.3 var(--mono)}
#ledger .lgl-total-label{font-weight:600;letter-spacing:.1em;text-transform:uppercase;font-size:.74rem;margin-right:.2rem}
#ledger .lgl-total [data-count]{font-weight:600}
#ledger .lgl-cap{margin:.4rem 0 0}

/* the letter */
#ledger .lgl-letter{margin:3rem 0 0;padding:1.6rem 1.4rem 1.4rem;background:var(--paper-2);border:1px solid var(--rule);box-shadow:3px 3px 0 var(--rule)}
#ledger .lgl-letter p{margin:0 0 .9em}
#ledger .lgl-salute{font:1.5rem/1.2 var(--hand);color:var(--teal)}
#ledger .lgl-sign{margin:1.2rem 0 0!important;text-align:right;font:1.6rem/1.2 var(--hand);color:var(--teal)}

@media (max-width:480px){
  #ledger .lgl-book{padding:1rem .7rem .8rem}
  #ledger .lgl-grid{grid-template-columns:1fr}
  #ledger .lgl-when{margin-left:0;width:100%}
  #ledger .lgl-letter{padding:1.2rem 1rem 1rem}
}
#ledger .lgl-tag{margin-left:.4em;font:500 .62rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);vertical-align:.15em}


/* ---- additions: listen, rings, archive, hero lines ---- */
.hero-broke{margin:.2rem 0 1.4rem;max-width:62ch}
.hero-broke a{color:inherit}
.hero-ded{font:italic 1rem/1.5 var(--body);color:var(--ink-soft);margin:1.6rem 0 0;max-width:52ch}
.lg-archive{margin:2rem 0 0;padding:1.1rem 1.3rem 1.2rem;background:var(--paper-2);border-left:3px solid var(--teal)}
.lg-archive .lg-eyebrow{margin-bottom:.6rem;color:var(--teal)}
.lg-archive p{margin:0 0 .7rem}
.lg-archive p:last-child{margin:0}
#listen .ls-steps{list-style:none;margin-top:1.6rem;margin-bottom:0;padding:0;display:grid;gap:1.1rem}
#listen .ls-step{display:grid;grid-template-columns:15rem 1fr;gap:.4rem 1.2rem;align-items:center;padding:.9rem 1rem;background:var(--paper-2);border:1px solid var(--rule)}
#listen .ls-step .lg-btn{width:100%;text-align:left;line-height:1.3}
#listen .ls-step .lg-btn[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
#listen .ls-step canvas{width:100%;height:84px;display:block}
#listen .ls-step p{grid-column:1/-1;margin:0;font-size:.95rem;line-height:1.5}
#listen .ls-n{font:600 .7rem/1 var(--mono);letter-spacing:.1em;color:var(--ink-soft);display:block;margin-bottom:.35rem}
#listen .ls-rooms{display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;align-items:center;margin:1.4rem 0 0;font:.85rem/1.3 var(--mono)}
#listen .ls-rooms label{cursor:pointer}
#listen .ls-read{margin:1.2rem 0 0;padding:.9rem 1rem;border:1.5px solid var(--ink);font:1rem/1.5 var(--body)}
#listen .ls-read b{font:600 1.15rem/1 var(--mono);color:var(--amber)}
#listen .ls-warn{font:600 .85rem/1.4 var(--mono);color:var(--missed);margin:1rem 0 0}
@media (max-width:640px){#listen .ls-step{grid-template-columns:1fr}}
#rings .rg-fig{margin-top:1.6rem}
#rings canvas{width:100%;height:auto;display:block;background:var(--paper-2);border:1px solid var(--rule);touch-action:pan-y}
#rings .rg-ctl{display:flex;flex-wrap:wrap;gap:.8rem 1.2rem;align-items:center;margin:.8rem 0 0}
#rings .rg-ctl input[type=range]{flex:1 1 16rem;accent-color:var(--amber)}
#rings .rg-out{font:1rem/1.4 var(--body);margin:.8rem 0 0;min-height:1.5em}
#rings .lg-cap a,#listen .lg-cap a{color:inherit}
#rings .rg-out b{font-family:var(--mono);color:var(--amber)}
#rings .rg-out.is-lock b{color:var(--held)}
#listen .ls-own{box-sizing:border-box;margin-top:2rem;padding:1.2rem 1.2rem 1rem;border:1.5px solid var(--teal);background:var(--paper-2)}
#listen .ls-own h3{margin:.1rem 0 .6rem}
#listen .ls-own-ctl{display:flex;flex-wrap:wrap;gap:.6rem;margin:1rem 0}
#listen .ls-own .lg-btn[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
#listen .ls-own .lg-btn:disabled{opacity:.4;cursor:default}
#listen .ls-own canvas{width:100%;height:84px;display:block}
#listen .ls-own .ls-read{background:var(--paper)}
.lg-path{display:flex;flex-wrap:wrap;gap:.35rem .5rem;align-items:center;margin:1.8rem 0 0;padding:0;list-style:none;font:500 .78rem/1.3 var(--mono);letter-spacing:.03em}
.lg-path li+li::before{content:"\2192";margin-right:.5rem;color:var(--ink-soft)}
.lg-path a{color:var(--ink);text-decoration:none;border-bottom:1.5px solid var(--amber);padding-bottom:1px}
.lg-path a:hover{color:var(--amber)}

/* site port: handwriting face is not self-hosted, so margin notes use the italic serif */
.lg-note,.lgl-salute,.lgl-sign{font-style:italic}
.lg-note{font-size:1.02rem;line-height:1.35}

/* futures: run strips */
#futures .fu-run{margin:.2rem 0 .7rem}
#futures .fu-run img{display:block;width:100%;height:auto;border:1px solid var(--rule);border-radius:2px;background:#0e1619}
#futures .fu-run figcaption{margin-top:.35rem}
#futures .fu-k-run{color:var(--teal)}

.lg-trip{margin:1.2rem auto}
.lg-trip-row{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}
.lg-trip img,.lg-spots img{display:block;width:100%;height:auto;border:1px solid var(--rule);border-radius:2px}
.lg-trip-row img{aspect-ratio:1/1;object-fit:cover}
.lg-trip figcaption,.lg-spots figcaption{margin-top:.4rem}
.lg-spots{margin:1rem 0 1.2rem;max-width:420px}
@media (max-width:560px){.lg-trip-row{grid-template-columns:1fr}}

/* films */
.lg-film{margin:1.2rem 0;max-width:560px}
.lg-film video{display:block;width:100%;height:auto;border:1px solid var(--rule);border-radius:2px;background:#0e1619}
.lg-film figcaption{margin-top:.4rem}
.lg-film-s{max-width:380px}

/* merge-all: big claims section and its plates */
#big-claims h3{margin-top:2.2rem}
#big-claims p+p{margin-top:.7rem}
#big-claims .bc-fig{margin:1rem 0 1.2rem;max-width:460px}
#big-claims .bc-fig img{display:block;width:100%;height:auto;border:1px solid var(--rule);border-radius:2px}
#big-claims .bc-fig img+img{margin-top:.5rem}
#big-claims .bc-fig figcaption{margin-top:.4rem}
#big-claims .bc-wide{max-width:none}
#big-claims .bc-pair{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;max-width:420px}
#big-claims .bc-pair img+img{margin-top:0}
#big-claims .bc-pair figcaption{grid-column:1/-1;margin-top:0}
#big-claims .bc-wind{max-width:560px}
#big-claims .bc-wind img:first-child{max-width:300px}
#big-claims .bc-shelf{margin:1rem 0 1.4rem;padding:.6rem .9rem;border-left:3px solid var(--teal);background:rgba(127,127,127,.07);font-size:.95em}