:root{--night:#1d1f22;--night2:#26292d;--night3:#30343a;--bamboo:#c89b5e;--bamboo-d:#8a6538;--teal:#2ab3a6;--teal-d:#17867b;--muslin:#f5f0e4;--muslin2:#ebe3d0;--ink:#1d1f22;--soft:#b9b2a3;--line:#3a3e45}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--night);color:var(--muslin);font:17px/1.6 'Atkinson Hyperlegible',system-ui,sans-serif}
h1,h2,h3,.brand{font-family:'Bricolage Grotesque',system-ui,sans-serif;line-height:1.15;letter-spacing:-.01em}
a{color:var(--teal)}
img,canvas{max-width:100%}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--bamboo);outline-offset:2px}

/* top bar */
.bar{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line);position:relative;z-index:5;background:var(--night)}
.brand{display:flex;align-items:center;gap:9px;color:var(--muslin);text-decoration:none;font-weight:800;font-size:18px;white-space:nowrap}
.brand svg{width:30px;height:30px;flex:none}
.bar h1{font-size:14px;font-weight:600;color:var(--soft);margin:0;font-family:'Atkinson Hyperlegible',sans-serif;letter-spacing:0;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.menu-btn{margin-left:auto;background:none;border:1.5px solid var(--line);color:var(--muslin);border-radius:999px;padding:6px 14px}
.menu{display:none;position:absolute;right:12px;top:56px;background:var(--night2);border:1px solid var(--line);border-radius:14px;padding:8px;min-width:240px;box-shadow:0 12px 40px rgba(0,0,0,.4)}
.menu a{display:block;padding:9px 12px;border-radius:9px;color:var(--muslin);text-decoration:none}
.menu a:hover,.menu a[aria-current]{background:var(--night3)}
.menu .soon{display:block;padding:9px 12px;color:var(--soft);font-size:14px}
.menu-open .menu{display:block}

/* the maker: an app shell that fills the screen */
.maker{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr) auto auto;height:calc(100svh - 57px);min-height:520px}
.tools{display:flex;align-items:center;gap:8px;padding:8px 12px;overflow-x:auto;scrollbar-width:none}
.tools::-webkit-scrollbar{display:none}
.pill{flex:none;display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--line);background:var(--night2);color:var(--muslin);border-radius:999px;padding:7px 13px;font-size:15px;min-height:40px}
.pill[aria-pressed=true]{border-color:var(--teal);background:#16312f;color:#bff1ea}
.pill:disabled{opacity:.45;cursor:default}
.pill.go{background:var(--teal);border-color:var(--teal);color:#0d1f1d;font-weight:700}
.pill.go:disabled{background:var(--night2);color:var(--soft);border-color:var(--line)}
.pill b{font-weight:700}
.sep{flex:none;width:1px;height:24px;background:var(--line)}
.lbl{flex:none;font-size:13px;color:var(--soft)}
.stage{position:relative;margin:0 12px;border-radius:22px;background:radial-gradient(circle at 50% 45%,#2b2f34,#191b1e 70%);overflow:hidden;touch-action:none;min-height:0}
.stage.over{box-shadow:inset 0 0 0 3px var(--teal)}
.stage canvas.chart{position:absolute;inset:0;display:none;cursor:grab}
.has-chart canvas.chart{display:block}
[data-mode=stitch] .stage canvas.chart{cursor:crosshair}
.hoop{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:16px}
.has-chart .hoop{display:none}
.ring{width:min(100%,62vh,480px);aspect-ratio:1;border-radius:50%;background:var(--muslin);border:16px solid var(--bamboo);box-shadow:0 0 0 3px var(--bamboo-d) inset,0 0 0 3px var(--bamboo-d),0 18px 50px rgba(0,0,0,.45);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--ink);padding:10%;position:relative;
  background-image:linear-gradient(rgba(29,31,34,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(29,31,34,.07) 1px,transparent 1px);background-size:14px 14px;animation:tighten .7s ease-out both}
.ring::before{content:"";position:absolute;top:-30px;left:50%;width:34px;height:26px;margin-left:-17px;background:var(--bamboo-d);border-radius:6px 6px 3px 3px}
.ring h2{font-size:clamp(20px,4.6vw,30px);margin:0 0 6px}
.ring p{margin:0 0 14px;font-size:15px;color:#4b4d52}
.ring .pill{background:var(--ink);color:var(--muslin);border-color:var(--ink)}
.ring .pill.go{background:var(--teal);color:#0d1f1d;border-color:var(--teal);font-size:17px;padding:11px 22px}
.ring small{display:block;margin-top:12px;color:#5b5d62;font-size:13px}
@keyframes tighten{from{transform:scale(.94);opacity:0}to{transform:none;opacity:1}}
.facts{position:absolute;left:12px;top:10px;background:rgba(29,31,34,.82);border-radius:999px;padding:5px 12px;font-size:13px;pointer-events:none;display:none;max-width:calc(100% - 120px)}
.facts span{margin-left:10px;color:var(--soft)}
.has-chart .facts{display:block}
.zoom{position:absolute;right:10px;top:10px;display:none;flex-direction:column;gap:6px}
.has-chart .zoom{display:flex}
.zoom button{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:rgba(29,31,34,.88);color:var(--muslin);font-size:18px}
.meter{display:none;margin:8px 12px 0;height:26px;border-radius:999px;background:var(--night2);position:relative;overflow:hidden}
[data-mode=stitch] .meter{display:block}
.meter i{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--teal-d),var(--teal));width:0}
.meter span{position:relative;display:block;text-align:center;font-size:13px;line-height:26px}
.card{background:var(--night2);margin:8px 0 0;padding:8px 0 10px;border-top:1px solid var(--line)}
.card-h{display:flex;align-items:center;justify-content:space-between;padding:0 14px;font-size:13px;color:var(--soft)}
.bobbins{display:flex;gap:8px;list-style:none;margin:6px 0 0;padding:4px 14px 6px;overflow-x:auto;scroll-snap-type:x proximity}
.bobbins:empty::before{content:"Your threads appear here, wound on bobbins. Tap one to highlight, lighten, darken, swap or merge it.";color:var(--soft);font-size:14px;white-space:normal}
.bobbin{scroll-snap-align:start;flex:none;width:66px;background:var(--muslin);color:var(--ink);border:0;border-radius:8px;padding:6px 4px 5px;display:flex;flex-direction:column;align-items:center;gap:1px;position:relative;
  clip-path:polygon(0 0,100% 0,100% 38%,88% 50%,100% 62%,100% 100%,0 100%,0 62%,12% 50%,0 38%)}
.bobbin i{width:42px;height:28px;border-radius:5px;display:flex;align-items:center;justify-content:center;font-style:normal;font-weight:700;font-size:15px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.15)}
.bobbin b{font-size:13px}
.bobbin small{font-size:11px;color:#55575c;line-height:1.2}
.bobbin.on{background:#ffe9a6}

/* sheets */
.sheet{position:fixed;inset:0;background:rgba(10,11,12,.55);z-index:50;display:flex;align-items:flex-end;justify-content:center}
.sheet[hidden]{display:none}
.sheet-in{background:var(--night2);border:1px solid var(--line);border-radius:22px 22px 0 0;width:min(560px,100%);max-height:86vh;overflow:auto;padding:18px 18px 22px;animation:rise .2s ease-out}
@media (min-width:900px){.sheet{align-items:center}.sheet-in{border-radius:22px}}
@keyframes rise{from{transform:translateY(30px);opacity:0}to{transform:none;opacity:1}}
.sheet h2{font-size:20px;margin:0 0 10px}
.sheet .row{display:flex;gap:10px;align-items:center;margin:10px 0;flex-wrap:wrap}
.sheet label{font-size:15px}
.sheet input,.sheet select{font:inherit;background:var(--night);color:var(--muslin);border:1.5px solid var(--line);border-radius:10px;padding:8px 10px}
.sheet .grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.act{display:block;width:100%;text-align:left;background:var(--night);color:var(--muslin);border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;min-height:48px}
.act small{display:block;color:var(--soft);font-size:13px}
.th-top{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.th-sw{width:54px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;text-shadow:0 0 2px #000}
.th-name{font-weight:700}
.th-meta{font-size:14px;color:var(--soft)}
.close{float:right;background:none;border:0;color:var(--soft);font-size:15px}
.swap-list{list-style:none;padding:0;margin:8px 0 0;max-height:50vh;overflow:auto}
.swap-list button{display:flex;gap:10px;align-items:center;width:100%;background:none;border:0;border-bottom:1px solid var(--line);color:var(--muslin);text-align:left;padding:8px 4px}
.swap-list i{width:28px;height:20px;border-radius:4px;flex:none}
.swap-list em{color:var(--teal);font-style:normal;font-size:13px}
.thumb canvas{border-radius:8px;cursor:crosshair;max-width:140px}
#toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,40px);opacity:0;background:var(--muslin);color:var(--ink);padding:10px 16px;border-radius:999px;font-size:15px;z-index:60;transition:.25s;max-width:calc(100% - 32px);text-align:center;pointer-events:none}
#toast.on{transform:translate(-50%,0);opacity:1}

/* reading: muslin pages with a stitched rule */
.read{background:var(--muslin);color:var(--ink)}
.read-in{max-width:1080px;margin:0 auto;padding:48px 18px 64px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px}
.rail{position:sticky;top:16px;align-self:start;font-size:14px}
.rail b{display:block;margin-bottom:6px;font-family:'Bricolage Grotesque',sans-serif}
.rail a{display:block;color:var(--ink);text-decoration:none;padding:4px 0;border-left:3px solid transparent;padding-left:10px}
.rail a:hover{border-color:var(--teal)}
.prose{max-width:720px}
.prose h2{font-size:28px;margin:40px 0 10px;padding-bottom:10px;background:repeating-linear-gradient(90deg,var(--teal) 0 8px,transparent 8px 13px) bottom/100% 2px no-repeat}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:20px;margin:24px 0 6px}
.prose a{color:var(--teal-d)}
.lead{font-size:20px;color:#3b3d42;margin:0 0 20px}
.prose table{border-collapse:collapse;width:100%;font-size:15px;margin:12px 0}
.prose th,.prose td{border-bottom:1px solid #d4cbb6;text-align:left;padding:8px 6px;vertical-align:top}
.tablebox{overflow-x:auto}
.faq details{border-bottom:1px solid #d4cbb6;padding:10px 0}
.faq summary{font-weight:700;cursor:pointer}
.note{font-size:14px;color:#5b5d62}
.cta{display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:var(--muslin)!important;text-decoration:none;border-radius:999px;padding:11px 20px;font-weight:700}
.cta::before{content:"";width:18px;height:18px;border-radius:50%;border:3px solid var(--bamboo)}
.banner{display:flex;align-items:center;gap:22px;background:var(--night);color:var(--muslin);border-radius:24px;padding:22px;margin:0 0 30px}
.banner .mini{flex:none;width:96px;height:96px;border-radius:50%;border:9px solid var(--bamboo);background:var(--muslin);background-image:linear-gradient(rgba(29,31,34,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(29,31,34,.12) 1px,transparent 1px);background-size:9px 9px}
.banner h1{margin:0 0 6px;font-size:clamp(26px,4vw,38px)}
.banner p{margin:0 0 12px;color:var(--soft)}
.banner .cta{background:var(--teal);color:#0d1f1d!important}
.dmc-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.dmc-list li{background:#fff;border-radius:10px;padding:8px;font-size:14px;display:flex;gap:8px;align-items:center}
.dmc-list i{width:30px;height:30px;border-radius:6px;flex:none;box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}
.calc{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;background:#fff;border-radius:16px;padding:16px}
.calc label{font-size:14px;font-weight:700;display:block}
.calc input,.calc select,#dmc-filter{font:inherit;width:100%;border:1.5px solid #cfc6b0;border-radius:10px;padding:8px}
#fabric-out{background:#fff;border-radius:12px;padding:12px 14px}
.foot{background:var(--night);border-top:1px solid var(--line);padding:26px 18px;font-size:14px;color:var(--soft)}
.foot-in{max-width:1080px;margin:0 auto;display:flex;flex-wrap:wrap;gap:8px 18px}
.foot a{color:var(--muslin)}
.foot p{flex-basis:100%;margin:8px 0 0}
@media (max-width:820px){
  .read-in{grid-template-columns:minmax(0,1fr);gap:10px;padding-top:32px}
  .rail{position:static}
  .rail a{display:inline-block;margin-right:8px}
  .bar h1{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .banner{flex-direction:column;align-items:flex-start}
  .maker{height:calc(100svh - 57px)}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}