/* SewCalc design system. Palette: muslin, denim ink, seam, raspberry thread, denim tint. */
:root{
  --muslin:#FBF9F4;
  --ink:#26324B;
  --soft:#5B6478;
  --seam:#E3DCCF;
  --thread:#B0245A;
  --thread-dark:#8C1C48;
  --tint:#EEF2F8;
  --good:#22633F;
  --err:#9E2B25;
  --maxw:41rem;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--muslin);color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:1.0625rem;line-height:1.6;
}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.25;font-weight:700;margin:0 0 .5em}
h1{font-size:1.85rem;letter-spacing:-.01em}
h2{font-size:1.35rem;margin-top:2.2em;padding-top:1.1em;border-top:1px solid var(--seam)}
h3{font-size:1.1rem;margin-top:1.4em}
p{margin:.7em 0}
a{color:var(--thread-dark);text-underline-offset:2px}
a:hover{color:var(--thread)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--thread);outline-offset:2px;border-radius:2px}
code{background:var(--tint);padding:.08em .35em;border-radius:3px;font-size:.92em}

/* Header */
.site-head{border-bottom:1px solid var(--seam);background:var(--muslin)}
.site-head .wrap{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding:.9rem 1rem;max-width:var(--maxw);margin:0 auto}
.logo{font-family:Georgia,serif;font-size:1.3rem;font-weight:700;color:var(--ink);text-decoration:none;
  padding-bottom:3px;border-bottom:2px dashed var(--thread)}
.logo:hover{color:var(--thread-dark)}
.site-nav a{margin-left:1rem;font-size:.95rem;text-decoration:none;color:var(--soft)}
.site-nav a:hover{color:var(--thread-dark);text-decoration:underline}

/* Layout */
main{max-width:var(--maxw);margin:0 auto;padding:1.4rem 1rem 3rem}
.lede{font-size:1.1rem;color:var(--soft);margin-top:0}

/* Tool form */
.tool{background:#fff;border:1px solid var(--seam);border-radius:8px;padding:1.1rem 1rem 1.2rem;margin:1.3rem 0 0}
.tool h2{border:0;margin:0 0 .8em;padding:0;font-size:1.15rem}
.field{margin:0 0 .9rem}
.field label{display:block;font-size:.92rem;font-weight:600;margin-bottom:.25rem}
.field .hint{font-weight:400;color:var(--soft);font-size:.85rem}
input[type=number],select,input[type=text],input[type=email],textarea{
  width:100%;padding:.55rem .6rem;border:1px solid #C9C2B4;border-radius:6px;
  font:inherit;color:var(--ink);background:#fff}
input[type=number]{max-width:11rem}
.row{display:flex;flex-wrap:wrap;gap:.9rem}
.row .field{flex:1 1 10rem;margin-bottom:.9rem}
.units{display:inline-flex;border:1px solid #C9C2B4;border-radius:6px;overflow:hidden;margin-bottom:1rem}
.units button{border:0;background:#fff;padding:.4rem .9rem;font:inherit;font-size:.9rem;cursor:pointer;color:var(--soft)}
.units button[aria-pressed=true]{background:var(--ink);color:#fff}
.go{display:inline-block;border:0;border-radius:6px;background:var(--thread);color:#fff;
  font:inherit;font-weight:700;font-size:1.05rem;padding:.65rem 1.5rem;cursor:pointer}
.go:hover{background:var(--thread-dark)}
.error{color:var(--err);font-size:.95rem;margin:.6rem 0 0;display:none}

/* Result panel: the tacking-stitch border is the site's signature */
.result{display:none;margin:1.2rem 0 0;padding:1rem 1.1rem;background:#fff;
  border:2px dashed var(--thread);border-radius:8px}
.result .big{font-family:Georgia,serif;font-size:1.7rem;font-weight:700;margin:0 0 .3em;color:var(--ink)}
.result ul{margin:.4em 0 0;padding-left:1.2em}
.result li{margin:.25em 0}
.result .note{color:var(--soft);font-size:.92rem;margin-top:.7em}

/* Content sections */
.example{background:var(--tint);border-radius:8px;padding:.9rem 1.1rem}
.faq dt{font-weight:700;margin-top:1em}
.faq dd{margin:.25em 0 0 0}
table{border-collapse:collapse;width:100%;margin:.8em 0;font-size:.97rem}
th,td{text-align:left;padding:.45rem .5rem;border-bottom:1px solid var(--seam)}
th{font-size:.88rem;color:var(--soft)}
.related{margin-top:.4em}
.related a{display:inline-block;margin:.2rem .6rem .2rem 0}

/* Tool index cards on home */
.tool-list{list-style:none;padding:0;margin:1rem 0}
.tool-list li{border-bottom:1px solid var(--seam);padding:.75rem 0}
.tool-list a{font-weight:700;text-decoration:none}
.tool-list a:hover{text-decoration:underline}
.tool-list p{margin:.15em 0 0;color:var(--soft);font-size:.95rem}

/* Feedback widget */
.fb{margin-top:2.5rem;border-top:1px solid var(--seam);padding-top:1rem;font-size:.95rem}
.fb .fb-q{font-weight:600}
.fb button.vote{border:1px solid #C9C2B4;background:#fff;border-radius:6px;padding:.35rem .8rem;
  font:inherit;cursor:pointer;margin-right:.5rem}
.fb button.vote:hover{border-color:var(--thread)}
.fb textarea{margin-top:.6rem;min-height:4.5rem}
.fb .send{margin-top:.5rem}
.fb .fb-done{color:var(--good);font-weight:600}

/* Footer */
.site-foot{border-top:1px solid var(--seam);margin-top:2rem;color:var(--soft);font-size:.9rem}
.site-foot .wrap{max-width:var(--maxw);margin:0 auto;padding:1.3rem 1rem 2rem}
.site-foot nav{margin:.2rem 0 .6rem}
.site-foot a{color:var(--soft);margin-right:.9rem}
.site-foot .legal{margin-top:.6rem}
.disclaimer{font-size:.88rem;color:var(--soft);margin-top:1.6rem;border-top:1px solid var(--seam);padding-top:.8rem}

@media (min-width:44rem){
  h1{font-size:2.3rem}
  body{font-size:1.1rem}
}
@media (prefers-reduced-motion:no-preference){
  .result{transition:opacity .15s ease}
}