:root{color-scheme:light dark;--bg:#f4f6f3;--surface:#fff;--ink:#182e2a;--muted:#4c625b;--border:#b9cac2;--accent:#166a54;--tint:#e7f3eb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui,sans-serif}header{display:flex;justify-content:space-between;gap:16px;padding:20px max(20px,calc((100vw - 1120px)/2));border-bottom:1px solid var(--border)}header a{font-weight:750;text-decoration:none}header span{font-size:14px;color:var(--muted)}main{max-width:1160px;margin:auto;padding:38px 20px}a{color:var(--accent);overflow-wrap:anywhere}.eyebrow{font-size:12px;letter-spacing:.15em;font-weight:700;color:var(--muted)}h1{font-size:clamp(32px,5vw,48px);line-height:1.12;margin:14px 0}h2{font-size:23px;line-height:1.3;margin-top:0}h3{font-size:18px}.intro{max-width:680px;color:var(--muted)}nav{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0}nav a{padding:10px 16px;border:1px solid var(--border);border-radius:24px;text-decoration:none;background:var(--surface)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:24px;align-items:start}section{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:26px;min-width:0}label{display:block;margin:0 0 18px;font-size:15px;font-weight:600}input,select{display:block;width:100%;min-width:0;min-height:46px;margin-top:6px;padding:10px;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--border);border-radius:6px}button{min-height:48px;padding:12px 20px;font:inherit;font-weight:650;color:white;background:var(--accent);border:0;border-radius:7px;cursor:pointer}a:focus-visible,input:focus-visible,select:focus-visible,button:focus-visible{outline:3px solid #d2892c;outline-offset:3px}.small,footer{color:var(--muted);font-size:13px}footer{margin-top:32px;border-top:1px solid var(--border);padding-top:20px}.figures{background:var(--tint);border-radius:10px;padding:15px}.figures p{margin:6px 0}strong.amount{font-size:25px;display:block;line-height:1.3}.sources{padding-left:20px}.sources li{margin-bottom:8px}#result p{overflow-wrap:anywhere}.badge{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--accent)}@media(max-width:700px){main{padding-top:24px}.workspace{grid-template-columns:1fr}section{padding:20px}header{font-size:14px}header span{font-size:12px}nav a{font-size:14px;padding:8px 12px}}@media(prefers-color-scheme:dark){:root{--bg:#10221e;--surface:#192f29;--ink:#edf5ef;--muted:#b5c9be;--border:#4e6c5e;--accent:#8cddbb;--tint:#254536}button{color:#10221e}}