:root{--spruce:#14532D;--dark:#0E3B20;--bg:#FAF9F6;--ink:#1F2937;--amber:#92400E;--line:#E5E1D8;--card:#FFFFFF;--muted:#5B6472}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}
a{color:var(--spruce)}
header.site{background:var(--dark);color:#fff;padding:18px 16px}
.wrap{max-width:980px;margin:0 auto;padding:0 16px}
.brand{font-size:28px;font-weight:800;letter-spacing:.2px}
.tagline{opacity:.9;font-size:14px;margin-top:2px}
nav.main{display:flex;flex-wrap:wrap;gap:14px;margin-top:12px}
nav.main a{color:#fff;text-decoration:none;font-weight:600;font-size:15px}
nav.main a:hover{text-decoration:underline}
main{padding:22px 0 36px}
h1{font-size:30px;line-height:1.15;margin:8px 0 10px;color:var(--dark)}
h2{font-size:22px;color:var(--dark);margin:0 0 10px}
h3{font-size:17px;color:var(--dark);margin:16px 0 6px}
p.lead{font-size:17px;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin:16px 0;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:760px){.grid{grid-template-columns:1fr 1fr}}
label{display:block;font-weight:600;font-size:14px;margin:12px 0 4px}
input,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:16px;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--amber);outline-offset:1px}
.hint{font-size:13px;color:var(--muted);margin-top:4px}
.toggle{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:#fff}
.toggle button{border:0;background:#fff;padding:8px 14px;font-weight:700;cursor:pointer;color:var(--ink)}
.toggle button.active{background:var(--spruce);color:#fff}
.results{background:#F0F7F1;border:1px solid var(--line);border-radius:12px;padding:14px;margin-top:16px}
.results .big{font-size:26px;font-weight:800;color:var(--dark)}
.kv{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px solid var(--line)}
.kv:last-child{border-bottom:0}
.kv span:first-child{color:var(--muted)}
.kv span:last-child{font-weight:700;text-align:right}
.example{background:#FFF8EC;border:1px solid #F2DFBB;border-radius:12px;padding:14px;margin-top:14px}
.disclaimer{font-size:13px;color:var(--muted);border-top:1px solid var(--line);margin-top:14px;padding-top:10px}
.badge{display:inline-block;background:var(--amber);color:#fff;font-size:12px;font-weight:800;padding:3px 9px;border-radius:999px;vertical-align:middle}
footer.site{border-top:1px solid var(--line);background:#fff;padding:22px 16px 30px;margin-top:10px}
footer.site nav{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:8px}
footer.site nav a{font-weight:600;text-decoration:none}
.small{font-size:13px;color:var(--muted)}
.btn{display:inline-block;background:var(--spruce);color:#fff;padding:10px 16px;border-radius:10px;text-decoration:none;font-weight:700}
ul{padding-left:20px}
table{width:100%;border-collapse:collapse;font-size:14px}
td,th{border-bottom:1px solid var(--line);padding:7px 6px;text-align:left}

:focus{outline:3px solid #92400E;outline-offset:2px}
:focus-visible{outline:3px solid #92400E;outline-offset:2px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #92400E;outline-offset:2px}
.field-label{display:block;font-weight:600;font-size:14px;margin:12px 0 4px}
.faq-item h3{margin-top:14px}
.tools-list{padding-left:20px}
.tools-list li{margin:8px 0}