/* How an LLM Works — blueprint theme. Mobile-first, base width 390px. */
:root{
  --bg:#0b101c;
  --panel:#101828;
  --panel2:#0d1424;
  --ink:#ece7d8;
  --mut:#98a0b3;
  --dim:#6b7288;
  --amber:#e9a13b;
  --amber-dim:rgba(233,161,59,.28);
  --amber-faint:rgba(233,161,59,.12);
  --teal:#62b6a4;
  --teal-dim:rgba(98,182,164,.25);
  --line:rgba(236,231,216,.09);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --serif:Georgia,'Times New Roman',serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  background-image:
    repeating-linear-gradient(0deg, rgba(236,231,216,.028) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, rgba(236,231,216,.028) 0 1px, transparent 1px 40px);
  padding-bottom:env(safe-area-inset-bottom);
}
button{font-family:inherit;touch-action:manipulation;cursor:pointer;-webkit-tap-highlight-color:transparent}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px}

/* ---------- hero ---------- */
.hero{max-width:560px;margin:0 auto;padding:44px 20px 10px}
.kicker{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--amber);margin:0 0 12px;
}
.hero h1{
  font-family:var(--serif);font-weight:600;font-size:34px;line-height:1.15;
  margin:0 0 14px;letter-spacing:.01em;
}
.lede{color:var(--mut);font-size:16.5px;margin:0 0 18px;max-width:44ch}
.flow-note{
  font-family:var(--mono);font-size:12px;color:var(--mut);letter-spacing:.08em;
  margin:0;display:flex;align-items:center;gap:8px;
}
.flow-arrow{color:var(--amber);animation:bob 2.2s ease-in-out infinite;display:inline-block}
@keyframes bob{0%,100%{transform:translateY(-2px)}50%{transform:translateY(2px)}}

/* ---------- pipeline wire ---------- */
main{max-width:560px;margin:0 auto;padding:0 16px}
.pipeline{position:relative;padding:6px 0 8px}
.pipeline::before{
  content:"";position:absolute;left:32px;top:26px;bottom:26px;
  border-left:2px dashed var(--amber-dim);
}

/* ---------- nodes ---------- */
.node{
  position:relative;margin:0 0 14px;background:var(--panel);
  border:1px solid rgba(233,161,59,.22);border-radius:14px;
}
.node::before,.node::after{ /* schematic corner ticks */
  content:"";position:absolute;width:10px;height:10px;pointer-events:none;
}
.node::before{top:-1px;left:-1px;border-top:2px solid var(--amber);border-left:2px solid var(--amber);border-top-left-radius:14px}
.node::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--amber);border-right:2px solid var(--amber);border-bottom-right-radius:14px}

.node-head{
  width:100%;display:flex;align-items:center;gap:14px;
  background:none;border:0;color:var(--ink);text-align:left;
  padding:16px 14px 16px 12px;min-height:72px;
}
.num{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  border:1.5px solid var(--amber);color:var(--amber);
  font-family:var(--mono);font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;background:var(--bg);
  position:relative;z-index:1;
}
.num.alt{border-color:var(--teal);color:var(--teal)}
.head-text{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}
.stage-name{font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:.01em}
.stage-name .amp,.stage-name .times{color:var(--amber);font-weight:400}
.mono-tag{font-family:var(--mono);font-size:12px;color:var(--teal);font-weight:400;letter-spacing:.04em}
.teaser{font-size:13.5px;color:var(--mut)}
.chev{
  flex:0 0 auto;width:10px;height:10px;margin-right:6px;
  border-right:2px solid var(--amber);border-bottom:2px solid var(--amber);
  transform:rotate(45deg);transition:transform .18s ease;
}
.chev.sm{width:8px;height:8px;margin-right:2px}
.node-head[aria-expanded="true"] .chev,
.sub-head[aria-expanded="true"] .chev,
.deeper-toggle[aria-expanded="true"] .chev{transform:rotate(225deg)}

.node-body{padding:2px 16px 18px}
.node-body .plain{margin:6px 0 14px;color:#d8d2c2}
.node-body .plain b{color:var(--ink)}
.deeper{margin:10px 0 4px;padding:12px 14px;border-left:2px solid var(--teal);background:rgba(98,182,164,.06);border-radius:0 10px 10px 0}
.deeper p{margin:0;font-size:14.5px;color:#cfd6e4}
.deeper b{color:var(--teal)}
.deeper-toggle{
  display:inline-flex;align-items:center;gap:8px;margin:6px 0 2px;
  background:none;border:1px dashed var(--amber-dim);border-radius:999px;
  color:var(--amber);font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;
  padding:8px 14px;
}

/* ---------- sub-nodes (inside stage 3) ---------- */
.subnode{border:1px solid var(--line);border-radius:10px;margin:0 0 10px;background:var(--panel2)}
.sub-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:none;border:0;color:var(--ink);text-align:left;padding:13px 14px;min-height:52px;
}
.sub-name{font-size:15.5px;font-weight:600}
.sub-body{padding:0 14px 14px}
.sub-body .plain{margin:4px 0 12px;font-size:15px;color:#d8d2c2}

/* ---------- demos ---------- */
.demo{
  border:1px solid var(--line);border-radius:12px;background:#0a0f1d;
  padding:14px;margin:4px 0 12px;
}
.demo-label{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal);margin:0 0 6px;
}
.demo h3{font-family:var(--serif);font-size:20px;margin:0 0 6px;font-weight:600}
.demo-note{font-size:13.5px;color:var(--mut);margin:0 0 12px}
.demo-note em{color:var(--ink);font-style:normal;border-bottom:1px dotted var(--amber)}

.field{display:block;margin-bottom:10px}
.field span{display:block;font-size:13px;color:var(--mut);margin-bottom:6px}
.field span em{font-style:normal;color:var(--dim)}
.field input{
  width:100%;background:var(--bg);border:1px solid var(--amber-dim);border-radius:8px;
  color:var(--ink);font-family:var(--mono);font-size:15px;padding:10px 12px;
}
.tok-out{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 8px;min-height:34px}
.tok{
  font-family:var(--mono);font-size:13.5px;background:rgba(233,161,59,.1);
  border:1px solid var(--amber-dim);border-bottom:2px solid var(--amber);
  border-radius:6px;padding:5px 8px;color:var(--ink);white-space:pre;
}
.tok i{font-style:normal;font-size:10px;color:var(--amber);margin-left:5px;opacity:.85}
.tok-stats{font-family:var(--mono);font-size:12px;color:var(--mut);margin:0}
.tok-stats b{color:var(--teal)}
.tok-stats .ok{color:var(--teal);font-weight:700}
.tok-stats .norm-note{display:block;color:var(--dim);font-size:11px;margin-top:3px}
.tok.final{border-color:rgba(98,182,164,.55);border-bottom:2px solid var(--teal);background:rgba(98,182,164,.10)}
.tok.final i{color:var(--teal)}
.tok.char{background:rgba(236,231,216,.05);border-color:var(--line);border-bottom:2px solid var(--dim);font-size:12px;padding:3px 7px}
.tok.char .eow{color:var(--dim)}

/* merge trace */
.merge-wrap{margin-top:14px;border-top:1px dashed var(--line);padding-top:12px}
.merge-title{font-size:13px;color:var(--ink);margin:0 0 8px}
.merge-title em{color:var(--dim);font-style:normal;font-size:12px}
.merge-steps{display:flex;flex-direction:column;gap:5px;max-height:264px;overflow-y:auto;padding:2px;overscroll-behavior:contain}
.mrow{
  display:flex;align-items:center;gap:8px;padding:5px 8px;border:1px solid var(--line);
  border-radius:8px;background:rgba(10,15,30,.35);cursor:pointer;touch-action:manipulation;
}
.mrow.dim{opacity:.32}
.mrow.cur{border-color:var(--amber)}
.mnum{font-family:var(--mono);font-size:11px;color:var(--dim);min-width:20px;font-variant-numeric:tabular-nums}
.mchips{display:flex;flex-wrap:wrap;gap:4px}
.mrow .pair{border-color:var(--amber);box-shadow:0 0 0 1px var(--amber)}
.mrow .new{background:rgba(233,161,59,.18);border-color:var(--amber)}
.merge-ctrl{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}

/* 3D embedding point cloud */
.pc-wrap{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:radial-gradient(ellipse at 50% 40%,rgba(27,42,74,.55),rgba(10,15,30,.9));margin:2px 0 8px}
#pc-canvas{display:block;width:100%;height:260px;touch-action:none;cursor:grab}
#pc-canvas:active{cursor:grabbing}
.pc-read{font-family:var(--mono);font-size:12px;color:var(--mut);margin:0;min-height:18px}
.pc-read b{color:var(--amber)}

/* pipeline data-flow pulses */
.pulse{
  position:absolute;left:29px;top:22px;width:8px;height:8px;border-radius:50%;
  background:var(--amber);box-shadow:0 0 10px rgba(233,161,59,.9);
  animation:pulseDown 3.4s linear infinite;z-index:0;pointer-events:none;
}
.pulse.p2{animation-delay:1.13s}
.pulse.p3{animation-delay:2.26s}
@keyframes pulseDown{
  0%{top:22px;opacity:0}
  10%{opacity:1}
  88%{opacity:1}
  100%{top:calc(100% - 30px);opacity:0}
}

/* segmented control */
.seg{display:flex;gap:6px;margin-bottom:12px}
.seg button{
  flex:1;background:none;border:1px solid var(--line);border-radius:8px;color:var(--mut);
  font-size:13px;padding:9px 4px;min-height:44px;
}
.seg button.on{border-color:var(--amber);color:var(--amber);background:var(--amber-faint)}

/* heatmap */
.heat-wrap{overflow-x:auto;margin:0 -4px;padding:0 4px}
.heat{display:grid;gap:3px;min-width:300px}
.hcell{
  border:1px solid var(--line);border-radius:6px;background:rgba(233,161,59,0);
  color:var(--ink);font-family:var(--mono);font-size:10.5px;
  min-width:38px;min-height:38px;padding:2px;display:flex;align-items:center;justify-content:center;
}
.hcell.rowlab,.hcell.collab{
  background:none;border:0;color:var(--mut);font-size:10.5px;justify-content:flex-end;
  min-width:0;padding:0 6px 0 0;
}
.hcell.collab{justify-content:center;padding:0 0 4px}
.hcell.corner{background:none;border:0}
.heat-read{font-family:var(--mono);font-size:12.5px;color:var(--amber);margin:10px 0;min-height:20px}

/* custom touch sliders (whole track tappable) */
.cslider-row{margin:2px 0 12px}
.cslider-head{display:flex;justify-content:space-between;font-size:13.5px;color:var(--mut);margin-bottom:0}
.cslider-head b{color:var(--amber);font-family:var(--mono);font-variant-numeric:tabular-nums}
.cslider-line{display:flex;align-items:center;gap:8px}
.stepper{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(236,231,216,.06);color:var(--ink);font-size:21px;line-height:1;
  touch-action:manipulation;cursor:pointer;
}
.stepper:active{background:rgba(233,161,59,.22);border-color:var(--amber)}
.cslider{
  flex:1;min-width:0;min-height:44px;padding:17px 8px;cursor:pointer;
  touch-action:none; /* dragging the track never scrolls the page */
  -webkit-tap-highlight-color:transparent;
}
.cslider-track{position:relative;height:10px;border-radius:6px;background:rgba(236,231,216,.10);border:1px solid var(--line)}
.cslider-fill{position:absolute;left:0;top:0;bottom:0;width:50%;border-radius:6px;background:linear-gradient(90deg,rgba(233,161,59,.55),var(--amber))}
.cslider-thumb{
  position:absolute;top:50%;left:50%;width:30px;height:30px;border-radius:50%;
  background:#0b1226;border:2px solid var(--amber);box-shadow:0 0 10px rgba(233,161,59,.55);
  transform:translate(-50%,-50%);pointer-events:none;
}
.cslider:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:10px}
.btn{
  background:var(--amber);border:0;border-radius:10px;color:#1a1206;
  font-weight:700;font-size:14.5px;padding:11px 18px;min-height:48px;
}
.btn.ghost{background:none;border:1px solid var(--amber-dim);color:var(--amber);font-weight:600}
.samp-row{display:flex;gap:8px;flex-wrap:wrap;margin:2px 0 10px}
.bars{display:flex;flex-direction:column;gap:7px;margin:2px 0 12px}
.bar-row{display:grid;grid-template-columns:64px 1fr 52px;gap:8px;align-items:center}
.bar-row .tok{font-family:var(--mono);font-size:12.5px;color:var(--ink);text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bar-track{height:22px;background:rgba(236,231,216,.06);border-radius:6px;overflow:hidden}
.bar-fill{height:100%;background:var(--amber);border-radius:6px;transition:width .25s ease;min-width:2px}
.bar-row.cut .bar-fill{background:rgba(152,160,179,.35)}
.bar-pct{font-family:var(--mono);font-size:11.5px;color:var(--mut);text-align:right}

/* sampling viz: donut + bars */
.samp-viz{display:flex;gap:14px;align-items:center;margin:4px 0 4px}
.donut-wrap{flex:0 0 132px}
#samp-donut{width:132px;height:132px;display:block}
#donut-segs circle{transition:stroke-dasharray .35s ease,stroke-dashoffset .35s ease,stroke-opacity .35s ease}
.donut-top{fill:var(--ink);font-size:15px;font-weight:700;font-family:var(--mono)}
.donut-pct{fill:var(--amber);font-size:12px;font-family:var(--mono)}
.bars{flex:1;min-width:0}
@media (max-width:380px){
  .samp-viz{flex-wrap:wrap}
  .donut-wrap{flex-basis:100%;display:flex;justify-content:center}
  .bars{flex-basis:100%}
}
.samp-pick{font-size:15px;margin:0 0 8px;color:#d8d2c2}
.samp-pick b{font-family:var(--mono);color:var(--amber);font-size:17px}
.samp-seq{display:flex;flex-wrap:wrap;gap:6px;min-height:30px}
.samp-seq .tok{font-size:12.5px;padding:4px 7px}

/* loop sketch */
.loop-sketch{
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
  font-family:var(--mono);font-size:12px;margin:2px 0 12px;
}
.lp{border:1px solid var(--teal-dim);color:var(--teal);border-radius:6px;padding:4px 8px;background:rgba(98,182,164,.07)}
.lp.dim{border-style:dashed;color:var(--mut);border-color:var(--line);background:none}
.la{color:var(--amber)}

/* ---------- data-flow diagrams ---------- */
.flow-fig{
  position:relative;margin:16px 0;border:1px solid var(--line);border-radius:14px;
  background:#0a0f1d;padding:14px 12px 8px;
}
.flow-fig::before,.flow-fig::after{ /* schematic corner ticks */
  content:"";position:absolute;width:10px;height:10px;pointer-events:none;
}
.flow-fig::before{top:-1px;left:-1px;border-top:2px solid var(--amber);border-left:2px solid var(--amber);border-top-left-radius:14px}
.flow-fig::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--amber);border-right:2px solid var(--amber);border-bottom-right-radius:14px}
.flow-scroll{overflow-x:auto;margin:0 -12px;padding:2px 14px;-webkit-overflow-scrolling:touch}
.flow-scroll svg{display:block;height:auto}
.flow-cap{
  font-family:var(--mono);font-size:11.5px;color:var(--mut);
  text-align:center;margin:10px 4px 4px;line-height:1.55;
}

/* ---------- learned section ---------- */
.learned{padding:26px 0 8px}
.learned .kicker{color:var(--teal)}
.learned h2{font-family:var(--serif);font-size:28px;margin:0 0 8px;font-weight:600}
.lede-sm{color:var(--mut);margin:0 0 18px;max-width:46ch}

/* ---------- footer ---------- */
footer{max-width:560px;margin:0 auto;padding:26px 20px 60px}
.fine{font-size:13px;color:var(--mut);margin:0 0 10px}
.fine.dim{color:#6b7288;font-family:var(--mono);font-size:11.5px}
.fine b{color:var(--ink)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .pulse{display:none!important}
}
@media (min-width:640px){
  .hero h1{font-size:44px}
  .stage-name{font-size:21px}
}

/* ---------- analogy callouts ---------- */
.analogy{
  margin:2px 0 14px;padding:11px 13px;border-radius:10px;
  background:rgba(233,161,59,.07);border:1px dashed rgba(233,161,59,.45);
}
.analogy p{margin:0;font-size:14px;line-height:1.55;color:#d8d2c2}
.analogy b{color:var(--amber);font-weight:700}
.analogy .who{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin-bottom:4px}

/* ---------- takeaway cards (one-liner + misconception) ---------- */
.takeaway{
  margin:2px 0 14px;padding:11px 13px 11px 15px;border-radius:10px;
  background:rgba(98,182,164,.06);border:1px solid rgba(98,182,164,.35);border-left:3px solid var(--teal);
}
.takeaway p{margin:0;font-size:14px;line-height:1.55;color:#d8d2c2}
.takeaway p+p{margin-top:9px;padding-top:9px;border-top:1px dashed rgba(98,182,164,.25)}
.takeaway b{color:var(--ink)}
.takeaway .who{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:4px}

/* ---------- example carousels ---------- */
.ex-car{margin:4px 0 14px}
.ex-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 8px}
.ex-top h4{font-family:var(--serif);font-size:16.5px;margin:0;font-weight:600;color:var(--ink)}
.ex-nav{display:flex;gap:8px}
.ex-nav button{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(236,231,216,.06);color:var(--amber);font-size:18px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.ex-nav button:active{background:rgba(233,161,59,.22);border-color:var(--amber)}
.ex-nav button:disabled{opacity:.28}
.ex-track{
  display:flex;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  border-radius:12px;scrollbar-width:thin;
}
.ex-slide{flex:0 0 100%;scroll-snap-align:center;display:flex;padding:2px;min-width:0}
.ex-card{
  flex:1;display:flex;flex-direction:column;min-width:0;
  background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:13px 14px 10px;
}
.ex-kicker{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);margin:0 0 6px}
.ex-input{font-family:var(--mono);font-size:14.5px;color:var(--ink);margin:0 0 8px}
.ex-chips{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 8px}
.ex-why{font-size:13.5px;color:var(--mut);margin:0;line-height:1.55}
.ex-why b{color:var(--ink)}
.ex-norm{font-family:var(--mono);font-size:11.5px;color:var(--dim);margin:0 0 8px}
.tok-empty{
  display:inline-block;font-family:var(--mono);font-size:12.5px;color:var(--dim);
  border:1px dashed var(--line);border-radius:8px;padding:6px 10px;background:rgba(236,231,216,.03);
}
.ex-body{flex:1;min-width:0}
.ex-count{
  margin:auto 0 0;padding:12px 0 0;border-top:1px dashed var(--line);
  text-align:center;font-family:var(--mono);font-size:11.5px;color:var(--dim);
  font-variant-numeric:tabular-nums;
}
/* mini bars inside example cards */
.ex-bars{display:flex;flex-direction:column;gap:5px;margin:6px 0 8px}
.ex-bar-row{display:grid;grid-template-columns:58px 1fr 48px;gap:8px;align-items:center;font-family:var(--mono)}
.ex-bar-row .w{font-size:12px;color:var(--ink);text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ex-bar-track{height:16px;background:rgba(236,231,216,.07);border-radius:5px;overflow:hidden}
.ex-bar-fill{height:100%;background:var(--amber);border-radius:5px}
.ex-bar-row.cut .ex-bar-fill{background:rgba(152,160,179,.4)}
.ex-bar-pct{font-size:11px;color:var(--mut);text-align:right}
/* attention mini interactive */
.am-words{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 8px}
.am-w{
  font-family:var(--mono);font-size:13.5px;border:1px solid var(--amber-dim);border-radius:8px;
  background:rgba(233,161,59,.06);color:var(--ink);padding:8px 10px;min-height:44px;
  transition:background .18s ease;
}
.am-note{font-size:13.5px;color:var(--mut);margin:0;min-height:44px;line-height:1.55}
.am-note b{color:var(--amber)}
/* sticky-note before/after */
.sticky-row{display:flex;flex-direction:column;gap:8px;margin:6px 0 8px}
.sticky{
  border-radius:4px 14px 14px 14px;padding:9px 12px;font-family:var(--mono);font-size:13px;
  border:1px solid var(--line);background:rgba(236,231,216,.05);color:var(--mut);
}
.sticky.after{background:rgba(98,182,164,.10);border-color:rgba(98,182,164,.5);color:var(--ink)}
.sticky b{color:var(--teal)}
.sticky-arrow{color:var(--amber);font-family:var(--mono);font-size:12px}
/* tiny 2D meaning-space sketch */
.minisvg{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:8px;background:#0a0f1d;margin:0 0 8px}
/* sampled-draft text in training examples */
.ex-draft{
  font-size:13.5px;line-height:1.6;color:#d8d2c2;margin:0 0 8px;padding:9px 11px;
  border-left:2px solid var(--teal);background:rgba(98,182,164,.06);border-radius:0 8px 8px 0;
}
.ex-draft.think{border-color:var(--amber);background:rgba(233,161,59,.06)}
/* loop step tokens */
.loop-toks{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 8px}
.ltok{font-family:var(--mono);font-size:13px;border-radius:6px;padding:5px 9px;border:1px solid var(--line)}
.ltok.cached{border-bottom:2px solid var(--teal);background:rgba(98,182,164,.10);color:var(--ink)}
.ltok.new{border-bottom:2px solid var(--amber);background:rgba(233,161,59,.12);color:var(--ink)}
.ltok i{display:block;font-style:normal;font-size:9.5px;letter-spacing:.08em;text-transform:uppercase}
.ltok.cached i{color:var(--teal)}
.ltok.new i{color:var(--amber)}
.legend{display:flex;gap:14px;font-family:var(--mono);font-size:11px;color:var(--mut);margin:0 0 4px}
.legend .sw{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px}
.legend .sw.t{background:var(--teal)}
.legend .sw.a{background:var(--amber)}