/* Feet Pic Seller Guide, hand written, no framework */
:root{--bg:#fbfaf7;--card:#fff;--ink:#1f2328;--muted:#5b6470;--line:#e6e1d8;--accent:#0f766e;--accent-ink:#fff;--accent-soft:#e6f4f2;--warn:#fff7e6;--warn-line:#f0d9a8;--max:46rem}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--accent);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
img,svg{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.1rem}
.wide{max-width:64rem}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem;z-index:9}
.disc{background:#f1efe9;border-bottom:1px solid var(--line);font-size:.85rem;color:var(--muted);text-align:center;padding:.4rem 1rem}
.disc a{color:inherit}
header.site{background:var(--card);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem 1.2rem;padding-top:.7rem;padding-bottom:.7rem}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:700;color:var(--ink);text-decoration:none;font-size:1.05rem}
.brand svg{width:30px;height:30px}
nav.main{display:flex;gap:.2rem .9rem;flex-wrap:wrap;font-size:.95rem}
nav.main a{color:var(--muted);text-decoration:none;padding:.2rem 0}
nav.main a:hover,nav.main a[aria-current]{color:var(--accent)}
main{padding:1.6rem 0 2.5rem}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:.6rem}
.crumbs a{color:inherit}
h1{font-size:clamp(1.7rem,4.5vw,2.3rem);line-height:1.2;margin:.2rem 0 .8rem;letter-spacing:-.01em}
h2{font-size:1.4rem;line-height:1.3;margin:2.2rem 0 .6rem}
h3{font-size:1.12rem;margin:1.5rem 0 .4rem}
p,ul,ol{margin:0 0 1rem}
li{margin:.25rem 0}
.lede{font-size:1.1rem;color:#333}
.meta{font-size:.85rem;color:var(--muted)}
.box{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.2rem;margin:1.4rem 0}
.box h2,.box h3{margin-top:0}
.note{background:var(--warn);border-color:var(--warn-line)}
.cta{border:2px solid var(--accent);background:var(--accent-soft)}
.cta .tag{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:.3rem}
.cta ul{padding-left:1.1rem}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:700;padding:.65rem 1.1rem;border-radius:8px;margin:.3rem 0}
.btn:hover{background:#0b5f58}
.small{font-size:.85rem;color:var(--muted)}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));margin:1rem 0 1.5rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem 1.1rem;display:flex;flex-direction:column}
.card h3{margin:.2rem 0 .35rem;font-size:1.05rem}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--accent)}
.card p{font-size:.93rem;color:var(--muted);margin:0}
.card svg{width:34px;height:34px}
.table-wrap{overflow-x:auto;margin:1rem 0 1.4rem;border:1px solid var(--line);border-radius:10px;background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{text-align:left;vertical-align:top;padding:.55rem .7rem;border-bottom:1px solid var(--line)}
th{background:#f6f3ee;font-weight:650}
tr:last-child td{border-bottom:0}
.nc{color:#8a5a00;font-style:italic}
details{border:1px solid var(--line);border-radius:10px;background:var(--card);padding:.2rem .9rem;margin:.6rem 0}
summary{cursor:pointer;font-weight:650;padding:.5rem 0}
details p{margin:.2rem 0 .8rem}
.calc{display:grid;gap:.8rem;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr))}
.calc label{display:block;font-size:.9rem;font-weight:600;margin-bottom:.2rem}
.calc input,.calc select{width:100%;font:inherit;padding:.5rem .6rem;border:1px solid #cfc8bb;border-radius:8px;background:#fff}
.out{margin-top:1rem;display:grid;gap:.6rem;grid-template-columns:repeat(auto-fit,minmax(10rem,1fr))}
.out div{background:#f6f3ee;border-radius:10px;padding:.6rem .8rem}
.out b{display:block;font-size:1.3rem}
.out span{font-size:.82rem;color:var(--muted)}
.related{border-top:1px solid var(--line);margin-top:2.5rem;padding-top:1rem}
.related ul{padding-left:1.1rem}
.sources{font-size:.9rem}
.sources li{word-break:break-word}
footer.site{border-top:1px solid var(--line);background:var(--card);font-size:.9rem;color:var(--muted);padding:1.4rem 0}
footer.site nav{display:flex;flex-wrap:wrap;gap:.3rem 1rem;margin-bottom:.6rem}
footer.site a{color:var(--muted)}
.hero{display:flex;gap:1.2rem;align-items:center}
.hero svg{flex:0 0 96px;width:96px;height:96px}
@media (max-width:560px){body{font-size:16px}.hero svg{display:none}h2{font-size:1.25rem}}
@media print{.disc,header.site nav,footer.site nav,.cta .btn{display:none}}