:root{
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
  --sem-red:#F26663; --sem-xdark:#1F272D; --sem-dark:#36393D; --sem-medium:#2E3C3D; --sem-offwhite:#FFF7E1;
  --bg:#FFFFFF; --panel:#F3F4F4; --ink:#1F272D; --muted:#586065; --line:#D8DCDD;
  --thead-bg:#36393D; --thead-ink:#FFFFFF; --chip:#E7EAEA; --focus:#F26663;
  --font:"Poppins","Futura","Avenir Next","Century Gothic",system-ui,-apple-system,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#1F272D; --panel:#2A3237; --ink:#FFFFFF; --muted:#B7BFC3; --line:#3E484D;
    --thead-bg:#36393D; --thead-ink:#FFFFFF; --chip:#36393D;
  }
}
:root[data-theme="dark"]{
  --bg:#1F272D; --panel:#2A3237; --ink:#FFFFFF; --muted:#B7BFC3; --line:#3E484D;
  --thead-bg:#36393D; --thead-ink:#FFFFFF; --chip:#36393D;
}
html{scroll-padding-top:env(safe-area-inset-top,0px);}
*,*::before,*::after{box-sizing:inherit;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.45;-webkit-text-size-adjust:100%;}
.tabs{display:flex;max-width:1240px;margin:0 auto;padding:0 18px;gap:4px;}
.tab{font:inherit;font-size:15px;font-weight:500;color:#C9D0D3;background:transparent;border:0;border-bottom:3px solid transparent;padding:10px 14px 9px;cursor:pointer;display:flex;flex-direction:column;align-items:flex-start;line-height:1.25;min-height:44px;}
.tab small{font-size:12px;font-weight:400;color:#9EA7AB;}
.tab[aria-selected="true"]{color:#FFFFFF;font-weight:600;border-bottom-color:var(--sem-red);}
.tab:focus-visible{outline:2px solid var(--sem-red);outline-offset:-2px;}
.symbols{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:8px;}
.sym{font:inherit;font-size:12.5px;line-height:1.25;padding:6px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);cursor:pointer;text-align:left;}
.sym canvas{display:block;width:100%;height:auto;margin-bottom:4px;}
.sym[aria-pressed="true"]{border-color:var(--sem-red);box-shadow:inset 0 0 0 1px var(--sem-red);}
.sp{margin-top:16px !important;}
.fontTarget{display:flex;align-items:center;gap:6px;margin:0 0 10px;}
.brandbar{height:5px;background:var(--sem-red);}
.hdr{background:var(--sem-dark);color:#FFFFFF;margin-bottom:16px;}
.hdr .top{padding-bottom:6px;}
.top{display:flex;align-items:center;gap:20px;padding:14px 18px 16px;max-width:1240px;margin:0 auto;flex-wrap:wrap;}
.logo-plate{padding:8px 4px;line-height:0;}
.logo-plate img{width:150px;height:auto;display:block;}
.top h1{margin:0;font-size:22px;font-weight:700;line-height:1.2;}
.top p{margin:2px 0 0;color:#C9D0D3;font-size:13.5px;}
.layout{max-width:1240px;margin:0 auto;padding:6px 18px 40px;display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:980px){
  .layout{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);align-items:start;}
  .preview{position:sticky;top:calc(env(safe-area-inset-top,0px) + 12px);}
}
.preview{min-width:0;}
.stage{position:relative;width:100%;max-width:100%;border-radius:8px;overflow:auto;-webkit-overflow-scrolling:touch;background:#e6e6e3;border:1px solid var(--line);}
.stage canvas{display:block;}
/* Loading screen: faded cutting mat, a stitch ring with a laser cutting around it, and rotating messages. */
.stage:has(.loading){min-height:240px;}
.loading{position:absolute;inset:0;display:flex;flex-direction:column;gap:6px;align-items:center;justify-content:center;text-align:center;padding:0 16px;color:#1F272D;font-size:15px;font-weight:500;background:#ececea url(img/bg_mat.jpg) center/cover;}
.loading::before{content:"";position:absolute;inset:0;background:rgba(236,236,234,.78);}
.loading>*{position:relative;}
.loading small{font-size:12px;font-weight:400;color:#586065;min-height:1.5em;}
.loading .msg{transition:opacity .2s;}
.loading .msg.out{opacity:0;}
.loading:not(.failed) .msg::after{content:"\2026";}
.spin{width:44px;height:44px;margin-bottom:6px;animation:spin 2.4s linear infinite;}
.spin circle{fill:none;stroke-width:3;}
.spin .stitch{stroke:#586065;stroke-opacity:.45;stroke-dasharray:4 3.3;}
.spin .laser{stroke:#F26663;stroke-linecap:round;stroke-dasharray:126;animation:cut 1.8s ease-in-out infinite;}
@keyframes spin{to{transform:rotate(360deg);}}
@keyframes cut{0%{stroke-dashoffset:126;}50%{stroke-dashoffset:30;}100%{stroke-dashoffset:-126;}}
.loading.failed .spin{display:none;}
@media (prefers-reduced-motion:reduce){.spin,.spin .laser{animation:none;}.spin .laser{stroke-dashoffset:90;}}
.viewbar{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:10px;align-items:center;}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;}
.seg button,.tog{font:inherit;font-size:13px;padding:7px 12px;background:var(--bg);color:var(--ink);border:0;cursor:pointer;min-height:36px;}
.seg button+button{border-left:1px solid var(--line);}
.seg button[aria-pressed="true"]{background:var(--sem-dark);color:#FFFFFF;}
.tog{border:1px solid var(--line);border-radius:6px;}
.tog[aria-pressed="true"]{background:var(--sem-dark);color:#FFFFFF;border-color:var(--sem-dark);}
.seglabel{font-size:12.5px;color:var(--muted);margin-right:6px;}
.legend[hidden]{display:none;}
[hidden]{display:none !important;}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:12.5px;color:var(--muted);margin-top:10px;}
.legend span{display:inline-flex;align-items:center;gap:6px;}
.legend i{display:inline-block;width:22px;height:0;border-top:2px dashed var(--sem-red);}
.legend i.solid{border-top-style:solid;}
.legend i.dot{border-top:2px dotted #8a9296;}
.legend i.ink{border-top:1.5px dashed #9aa3a8;}
.status{margin-top:14px;padding:10px 12px 10px 14px;border-left:4px solid var(--sem-medium);background:var(--panel);border-radius:0 6px 6px 0;font-size:14px;}
.status strong{font-weight:600;}
.status.warn{border-left-color:var(--sem-red);}
.status.fail{border-left-color:var(--sem-red);background:color-mix(in srgb,var(--sem-red) 14%,var(--panel));}
.spec{width:100%;border-collapse:collapse;margin-top:12px;font-size:13.5px;}
.spec th{background:var(--thead-bg);color:var(--thead-ink);font-weight:500;text-align:center;padding:7px 8px;}
.spec td{padding:6px 8px;border-bottom:1px solid var(--line);}
.spec td:last-child{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;}
.controls{display:flex;flex-direction:column;gap:22px;}
.group h2{font-size:16px;font-weight:600;margin:0 0 8px;}
.group h3{font-size:13px;font-weight:500;color:var(--muted);margin:10px 0 6px;}
label.big{display:block;font-size:16px;font-weight:600;margin:0 0 8px;}
input[type=text]{width:100%;font:inherit;font-size:18px;font-weight:500;letter-spacing:.02em;padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);text-transform:uppercase;}
input:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--focus);outline-offset:2px;}
.hint{font-size:12.5px;color:var(--muted);margin:6px 0 0;min-height:1em;}
.hint.bad{color:var(--ink);}
.hint.bad::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--sem-red);margin-right:6px;vertical-align:middle;}
.fonts{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px;}
.fontbtn{font:inherit;text-align:left;padding:8px 10px 7px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);cursor:pointer;min-width:0;}
.fontbtn[aria-pressed="true"]{border-color:var(--sem-red);box-shadow:inset 0 0 0 1px var(--sem-red);}
.fontbtn .sample{display:block;font-size:22px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.fontbtn .name{display:block;font-size:12px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.fontbtn .fit{display:inline-block;font-size:11.5px;margin-top:4px;padding:1px 7px;border-radius:10px;background:var(--chip);color:var(--ink);}
.fontbtn .fit.fail{background:var(--sem-red);color:#1F272D;}
.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;}
.sw{font:inherit;font-size:12.5px;line-height:1.25;padding:6px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);cursor:pointer;text-align:left;}
.sw .swname{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sw canvas{display:block;width:100%;height:38px;border-radius:3px;margin-bottom:5px;}
.sw[aria-pressed="true"]{border-color:var(--sem-red);box-shadow:inset 0 0 0 1px var(--sem-red);}
details.group{border:1px solid var(--line);border-radius:6px;padding:10px 12px;}
details.group summary{cursor:pointer;font-size:16px;font-weight:600;}
.params{display:grid;grid-template-columns:1fr auto;gap:8px 12px;align-items:center;margin-top:12px;font-size:13.5px;}
.params input{width:92px;font:inherit;font-size:14px;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);text-align:right;}
.params small{display:block;color:var(--muted);font-size:12px;}
.reset{margin-top:12px;font:inherit;font-size:13px;padding:7px 12px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);cursor:pointer;}
.placerow{display:flex;align-items:center;gap:12px;margin-top:10px;font-size:13px;color:var(--muted);}
.placerow[hidden]{display:none;}
.notes{font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;}
.notes p{margin:0 0 6px;}
@media (prefers-reduced-motion: reduce){*{scroll-behavior:auto !important;}}