/* WoodworkingCalc design system.
   Palette: clear cured resin, walnut ink, grain, amber resin, river teal.
   Signature: the pour line, a cross-section band (amber surface over a teal pour) on every result. */
:root{
  --clear:#F3F6F5;
  --walnut:#2E2119;
  --grain:#65564B;
  --rule:#D3DCD8;
  --amber:#A85B08;
  --amber-deep:#7A4104;
  --river:#1D6B72;
  --river-tint:#E4EFEF;
  --good:#1F6B3A;
  --err:#9E2B25;
  --maxw:42rem;
  --slab:Rockwell,"Rockwell Nova","Roboto Slab","DejaVu Serif",Georgia,serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--clear);color:var(--walnut);
  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:var(--slab);line-height:1.2;font-weight:700;margin:0 0 .5em}
h1{font-size:1.9rem;letter-spacing:-.01em}
h2{font-size:1.35rem;margin-top:2.2em;padding-top:1.1em;border-top:1px solid var(--rule)}
h3{font-size:1.1rem;margin-top:1.4em}
p{margin:.7em 0}
a{color:var(--amber-deep);text-underline-offset:2px}
a:hover{color:var(--amber)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--river);outline-offset:2px;border-radius:2px}
code{background:var(--river-tint);padding:.08em .35em;border-radius:3px;font-size:.92em}

/* Header */
.site-head{border-bottom:1px solid var(--rule);background:var(--clear)}
.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:var(--slab);font-size:1.3rem;font-weight:700;color:var(--walnut);text-decoration:none;
  padding-bottom:2px;border-bottom:4px solid var(--amber)}
.logo:hover{color:var(--amber-deep)}
.site-nav a{margin-left:1rem;font-size:.95rem;text-decoration:none;color:var(--grain)}
.site-nav a:hover{color:var(--amber-deep);text-decoration:underline}

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

/* Tool form */
.tool{background:#fff;border:1px solid var(--rule);border-radius:4px;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}
.tool h3{font-family:inherit;font-size:.98rem;margin:1.2em 0 .5em;color:var(--river)}
.field{margin:0 0 .9rem}
.field label,.field .lbl{display:block;font-size:.92rem;font-weight:600;margin-bottom:.25rem}
.field .hint{font-weight:400;color:var(--grain);font-size:.85rem}
input[type=number],select,input[type=text],input[type=email],input[type=datetime-local],textarea{
  width:100%;padding:.55rem .6rem;border:1px solid #BCC7C3;border-radius:4px;
  font:inherit;color:var(--walnut);background:#fff}
input[type=number]{max-width:11rem}
.check{display:flex;gap:.5rem;align-items:flex-start;font-size:.95rem;margin:0 0 .7rem}
.check input{margin-top:.35rem}
.row{display:flex;flex-wrap:wrap;gap:.9rem}
.row .field{flex:1 1 9rem;margin-bottom:.9rem}
.units{display:inline-flex;border:1px solid #BCC7C3;border-radius:4px;overflow:hidden;margin-bottom:1rem}
.units button{border:0;background:#fff;padding:.4rem .9rem;font:inherit;font-size:.9rem;cursor:pointer;color:var(--grain)}
.units button[aria-pressed=true]{background:var(--walnut);color:#fff}
.multi{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.multi input{max-width:6.5rem}
.linkbtn{border:1px dashed var(--river);background:transparent;color:var(--river);border-radius:4px;
  font:inherit;font-size:.9rem;padding:.35rem .7rem;cursor:pointer}
.linkbtn:hover{background:var(--river-tint)}
.go{display:inline-block;border:0;border-radius:4px;background:var(--amber);color:#fff;
  font:inherit;font-weight:700;font-size:1.05rem;padding:.65rem 1.5rem;cursor:pointer}
.go:hover{background:var(--amber-deep)}
.error{color:var(--err);font-size:.95rem;margin:.6rem 0 0;display:none}

/* Result panel with the pour line on top */
.result{display:none;position:relative;margin:1.2rem 0 0;padding:1.4rem 1.1rem 1rem;background:#fff;
  border:1px solid var(--rule);border-top:0;border-radius:0 0 4px 4px}
.result::before{content:"";position:absolute;left:-1px;right:-1px;top:0;height:10px;
  background:linear-gradient(to bottom,var(--amber) 0,var(--amber) 3px,var(--river) 3px,var(--river) 100%)}
.result .big{font-family:var(--slab);font-size:1.6rem;font-weight:700;margin:0 0 .3em;color:var(--walnut);line-height:1.25}
.result .big .sub{display:block;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:1rem;font-weight:600;color:var(--grain)}
.result ul{margin:.4em 0 0;padding-left:1.2em}
.result li{margin:.25em 0}
.result .note{color:var(--grain);font-size:.92rem;margin-top:.7em}
.result table{font-size:.94rem}
.pourviz{display:block;width:100%;max-width:26rem;height:auto;margin:.8rem 0 .2rem}

/* Content sections */
.example{background:var(--river-tint);border-radius:4px;padding:.9rem 1.1rem}
.faq dt{font-weight:700;margin-top:1em}
.faq dd{margin:.25em 0 0 0}
.tablewrap{overflow-x:auto}
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(--rule);vertical-align:top}
th{font-size:.88rem;color:var(--grain)}
.related{margin-top:.4em}
.related a{display:inline-block;margin:.2rem .6rem .2rem 0}
.safety{border-left:4px solid var(--river);padding:.2rem 0 .2rem .9rem;color:var(--grain);font-size:.95rem}
figure{margin:1.2rem 0}
figure svg{display:block;width:100%;height:auto;max-width:32rem}
figcaption{font-size:.9rem;color:var(--grain);margin-top:.3rem}

/* Home */
.tool-list{list-style:none;padding:0;margin:1rem 0}
.tool-list li{border-bottom:1px solid var(--rule);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(--grain);font-size:.95rem}
.hero-strata{display:block;width:100%;height:auto;margin:.2rem 0 1rem}

/* Feedback widget */
.fb{margin-top:2.5rem;border-top:1px solid var(--rule);padding-top:1rem;font-size:.95rem}
.fb .fb-q{font-weight:600}
.fb button.vote{border:1px solid #BCC7C3;background:#fff;border-radius:4px;padding:.35rem .8rem;
  font:inherit;cursor:pointer;margin-right:.5rem}
.fb button.vote:hover{border-color:var(--amber)}
.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(--rule);margin-top:2rem;color:var(--grain);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(--grain);margin-right:.9rem;display:inline-block}
.site-foot .legal{margin-top:.6rem}
.disclaimer{font-size:.88rem;color:var(--grain);margin-top:1.6rem;border-top:1px solid var(--rule);padding-top:.8rem}

@media (min-width:44rem){
  h1{font-size:2.35rem}
  body{font-size:1.1rem}
}
@media (prefers-reduced-motion:no-preference){
  .result{animation:pour .35s ease-out}
  @keyframes pour{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
}