:root{--ink:#14211c;--muted:#52615a;--bg:#fbfcfb;--card:#fff;--line:#dfe7e2;--mint:#127a5a;--mint-d:#0c5c43;--mint-l:#e6f4ee;--warn:#9a5b00;--warn-l:#fff4e0;--bad:#b3261e;--bad-l:#fdecea;--r:12px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--mint-d)}a:hover{color:var(--mint)}
.wrap{max-width:960px;margin:0 auto;padding:0 18px}
.narrow{max-width:760px}
header.site{border-bottom:1px solid var(--line);background:#fff}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:58px;flex-wrap:wrap}
.brand{font-weight:700;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:8px}
.brand img{width:28px;height:28px;border-radius:6px}
nav.top a{margin-left:14px;font-size:.95rem;text-decoration:none}
nav.top a:first-child{margin-left:0}
h1{font-size:clamp(1.6rem,4vw,2.3rem);line-height:1.2;margin:28px 0 8px}
h2{font-size:1.35rem;margin:32px 0 8px;line-height:1.3}h3{font-size:1.08rem;margin:22px 0 6px}
.lede{font-size:1.1rem;color:var(--muted);margin:0 0 18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin:16px 0}
.limits{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:4px 0 12px}
.limits label{border:1px solid var(--line);border-radius:999px;padding:6px 14px;cursor:pointer;background:#fff;user-select:none}
.limits input[type=radio]{position:absolute;opacity:0;pointer-events:none}
.limits input[type=radio]:checked+span{font-weight:700;color:var(--mint-d)}
.limits label:has(input:checked){border-color:var(--mint);background:var(--mint-l)}
.limits input[type=radio]:focus-visible+span{outline:2px solid var(--mint);outline-offset:3px}
#custom{width:90px;padding:6px 8px;border:1px solid var(--line);border-radius:8px;font:inherit}
textarea{width:100%;min-height:280px;padding:12px;border:1px solid var(--line);border-radius:10px;font:inherit;line-height:1.55;resize:vertical;background:#fff}
textarea:focus,input:focus{outline:2px solid var(--mint);outline-offset:1px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:10px}
.btn{display:inline-block;background:var(--mint);color:#fff;border:0;border-radius:10px;padding:10px 16px;font:inherit;font-weight:600;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--mint-d);color:#fff}
.btn.ghost{background:#fff;color:var(--mint-d);border:1px solid var(--mint)}
.btn.ghost:hover{background:var(--mint-l)}
.small{font-size:.88rem;color:var(--muted)}
.meter{height:12px;background:#edf2ef;border-radius:999px;overflow:hidden;margin:6px 0}
.meter>i{display:block;height:100%;background:var(--mint);width:0;transition:width .2s}
.meter.over>i{background:var(--bad)}
.big{font-size:1.8rem;font-weight:700}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.stat{border:1px solid var(--line);border-radius:10px;padding:12px;background:#fff}
.stat b{display:block;font-size:1.3rem}
.star{display:flex;height:26px;border-radius:8px;overflow:hidden;border:1px solid var(--line);margin:8px 0}
.star span{display:flex;align-items:center;justify-content:center;font-size:.78rem;color:#fff;white-space:nowrap;overflow:hidden}
.sS{background:#5b7f95}.sT{background:#8a6fb0}.sA{background:#127a5a}.sR{background:#c07a12}
.legend span{display:inline-flex;align-items:center;gap:5px;margin-right:12px;font-size:.88rem}
.legend i{width:12px;height:12px;border-radius:3px;display:inline-block}
ul.tips{padding-left:20px}ul.tips li{margin:6px 0}
.flag{background:var(--warn-l);border:1px solid #f1d6a6;border-radius:8px;padding:2px 6px}
table{border-collapse:collapse;width:100%;margin:10px 0;font-size:.95rem}
th,td{border-bottom:1px solid var(--line);text-align:left;padding:8px 6px;vertical-align:top}
th{background:#f3f7f5}
.tablewrap{overflow-x:auto}
.cta{background:var(--mint-l);border:1px solid #bfe3d3;border-radius:var(--r);padding:18px;margin:24px 0}
.cta h2,.cta h3{margin-top:0}
.notice{background:#f6f8f7;border-left:4px solid var(--mint);padding:10px 14px;border-radius:6px;margin:16px 0;font-size:.95rem}
.hidden{display:none}
form.signup{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
form.signup input[type=email]{flex:1 1 220px;padding:10px;border:1px solid var(--line);border-radius:10px;font:inherit}
.consent{font-size:.85rem;color:var(--muted);margin:4px 0 10px}
.sentences{max-height:340px;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:8px 10px;background:#fff}
.sentences p{margin:6px 0;font-size:.92rem}
.tag{display:inline-block;min-width:22px;text-align:center;border-radius:5px;color:#fff;font-size:.75rem;font-weight:700;margin-right:6px;padding:0 4px}
.tO{background:#9aa5a0}
footer.site{border-top:1px solid var(--line);margin-top:48px;padding:22px 0 40px;font-size:.88rem;color:var(--muted);background:#fff}
footer.site a{margin-right:12px}
.toc{font-size:.95rem}.toc ol{padding-left:20px;margin:6px 0}
blockquote{margin:12px 0;padding:10px 14px;border-left:4px solid var(--line);background:#fff;border-radius:6px}
@media (max-width:560px){nav.top a{margin-left:10px;font-size:.9rem}.card{padding:14px}textarea{min-height:220px}}
@media print{header.site,footer.site,.cta,.row{display:none}}