:root{--bg:#f4f7f5;--surface:#fff;--ink:#16302b;--muted:#5b6f69;--line:#d8e2dd;--green:#1f6f54;--gold:#d99a0b;--red:#b4452f;color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0f1a17;--surface:#16231f;--ink:#e8f0ec;--muted:#98aba4;--line:#2a3b35;--green:#4fbf94;--gold:#f2b83a;--red:#ef8a73;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0f1a17;--surface:#16231f;--ink:#e8f0ec;--muted:#98aba4;--line:#2a3b35;--green:#4fbf94;--gold:#f2b83a;--red:#ef8a73;color-scheme:dark}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.55 Figtree,system-ui,sans-serif}
.wrap{max-width:900px;margin:0 auto;padding:20px 16px 40px}
h1,h2,h3{font-family:"Bricolage Grotesque",Figtree,sans-serif;margin:0}
h1{font-weight:800;font-size:clamp(1.6rem,5vw,2.4rem);line-height:1.1;letter-spacing:-.02em;margin:8px 0 6px}
h2{font-size:1.2rem;margin-bottom:8px}h3{font-size:1.05rem;margin-bottom:10px}
.lead,.how,.hint,.cap,.note{color:var(--muted)}
.lead{margin:0 0 16px;max-width:62ch}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.chips button{font:500 .92rem Figtree,sans-serif;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:7px 14px;cursor:pointer}
.chips button[aria-pressed="true"]{background:var(--green);border-color:var(--green);color:var(--surface);font-weight:600}
button:focus-visible,input:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:18px}
@media (max-width:720px){.grid{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px}
.how{margin:0 0 16px;max-width:70ch}
label{display:block;font-weight:600;font-size:.92rem;margin:14px 0 4px}
form label:first-child{margin-top:0}
.row{display:flex;justify-content:space-between;gap:8px}
.val{font:700 1rem "Bricolage Grotesque",Figtree,sans-serif;color:var(--green)}
input[type=number]{width:100%;font:inherit;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}
input[type=range]{width:100%;accent-color:var(--green);height:28px}
.hint{font-size:.82rem;margin:4px 0 0}
.big{font:800 clamp(2rem,8vw,2.8rem)/1 "Bricolage Grotesque",Figtree,sans-serif;color:var(--green);margin:4px 0 2px;overflow-wrap:anywhere}
.cap{font-size:.9rem;margin:0 0 12px}
dl{margin:0}dl div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-top:1px solid var(--line)}
dt{color:var(--muted)}dd{margin:0;font-weight:600;text-align:right}
.neg{color:var(--red)}
.wa{display:inline-block;margin-top:14px;font-weight:600;color:var(--green);text-decoration:none;border:1px solid var(--green);border-radius:8px;padding:8px 12px}
.extra .panel{margin-top:18px}
svg{width:100%;height:auto;display:block;touch-action:pan-y}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.85rem;margin:8px 0}
.legend span::before{content:"";display:inline-block;width:18px;height:3px;border-radius:2px;margin-right:6px;vertical-align:middle;background:var(--c)}
.readout{min-height:2.6em;font-size:.88rem;color:var(--muted)}
.bar{display:grid;grid-template-columns:96px minmax(0,1fr) 92px;gap:10px;align-items:center;font-size:.88rem;margin:8px 0}
.bar i{display:block;height:14px;border-radius:7px;background:var(--line)}
.bar i b{display:block;height:100%;border-radius:7px;background:var(--green)}
.bar.me i b{background:var(--gold)}
.bar span:last-child{text-align:right;font-weight:600}
.faq{margin-top:22px}
details{border-top:1px solid var(--line);padding:10px 0}
summary{cursor:pointer;font-weight:600}
details p{margin:8px 0 0;color:var(--muted)}
.note{font-size:.82rem;margin-top:22px;border-top:1px solid var(--line);padding-top:12px}

.top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px 18px;padding-bottom:14px;margin-bottom:10px;border-bottom:1px solid var(--line)}
.brand{font:800 1.15rem "Bricolage Grotesque",Figtree,sans-serif;color:var(--ink);text-decoration:none}
.top nav a,.sitefoot a{color:var(--green);margin-right:14px;text-decoration:none;font-weight:600}
a{color:var(--green)}
.prose{max-width:72ch;margin-top:26px}.prose h2{margin-top:22px}.prose p{margin:0 0 12px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin:8px 0 22px}
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px;color:var(--ink);text-decoration:none}
.card:hover{border-color:var(--green)}.card b{display:block;font:700 1.02rem "Bricolage Grotesque",Figtree,sans-serif;margin-bottom:4px}.card span{color:var(--muted);font-size:.9rem}
.sitefoot{border-top:1px solid var(--line);margin-top:34px;padding-top:14px;font-size:.88rem;color:var(--muted)}
table{border-collapse:collapse}td,th{border:1px solid var(--line);padding:6px 12px}
.list a{display:block;padding:8px 0;border-top:1px solid var(--line);color:var(--ink);text-decoration:none}.list b{color:var(--green)}