:root{--bg:#fbf8f2;--card:#fff;--ink:#2b2a27;--muted:#6b665c;--accent:#b5542b;--accent2:#3f6f4a;--line:#e7e0d2}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--accent)}a:hover{text-decoration:none}
header.site{background:#fff;border-bottom:1px solid var(--line)}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.2rem;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:8px}
.logo svg{width:28px;height:28px}
nav.top a{margin-left:14px;color:var(--muted);text-decoration:none;font-size:.95rem}
main{padding:20px 0 40px}
h1{font-size:1.8rem;line-height:1.25;margin:.4em 0}
h2{font-size:1.3rem;margin-top:1.8em}
h3{font-size:1.05rem}
.lede{color:var(--muted);font-size:1.05rem}
.calc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin:18px 0;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
label{display:block;font-weight:600;font-size:.92rem;margin-bottom:4px}
input,select{width:100%;padding:10px;border:1px solid #cfc6b4;border-radius:8px;font-size:1rem;background:#fff}
input:focus,select:focus{outline:2px solid var(--accent2);border-color:transparent}
.hint{font-size:.82rem;color:var(--muted);margin-top:3px}
.results{margin-top:16px;background:#f3f7f1;border:1px solid #d5e4d6;border-radius:10px;padding:14px}
.results .big{font-size:1.5rem;font-weight:800;color:var(--accent2)}
.results table,.content table{width:100%;border-collapse:collapse;font-size:.95rem}
.results td,.results th,.content td,.content th{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left}
.content th{background:#f4efe4}
.tablewrap{overflow-x:auto}
.ad-slot{display:none;margin:22px 0;min-height:100px;border:1px dashed #d8cfbd;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#b3aa98;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
.gear{background:#fff7ee;border:1px solid #f0dcc4;border-radius:10px;padding:12px 16px;margin:20px 0}
.gear h3{margin:.2em 0 .4em}
.gear ul{margin:0;padding-left:20px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:18px 0}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;text-decoration:none;color:var(--ink);display:block}
.card:hover{border-color:var(--accent)}
.card strong{display:block;color:var(--accent);margin-bottom:4px}
.related{margin-top:28px}
.related a{display:inline-block;margin:4px 6px 4px 0;padding:6px 10px;background:#fff;border:1px solid var(--line);border-radius:20px;text-decoration:none;font-size:.9rem}
details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin:8px 0}
summary{font-weight:600;cursor:pointer}
.sources{font-size:.85rem;color:var(--muted)}
.note{font-size:.9rem;color:var(--muted);border-left:3px solid var(--line);padding-left:10px}
footer.site{border-top:1px solid var(--line);background:#fff;padding:20px 0;font-size:.88rem;color:var(--muted)}
footer.site a{color:var(--muted);margin-right:12px}
.crumbs{font-size:.85rem;color:var(--muted)}
.crumbs a{color:var(--muted)}
button{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 16px;font-size:1rem;cursor:pointer}
body.ads-preview .ad-slot{display:flex}
@media print{header.site,footer.site,.ad-slot,.gear,.related,nav{display:none}body{background:#fff}}