:root{color-scheme:light;--bg:#f4f7f6;--surface:#fff;--text:#202827;--muted:#5d6d68;--line:#cbd9d3;--accent:#146c54;--field:#fff;--error:#b32b36}
@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#151719;--surface:#202624;--text:#eff5f1;--muted:#adbbb4;--line:#40524b;--accent:#70ddb3;--field:#18201c;--error:#ff8992}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,sans-serif;letter-spacing:0}main{max-width:900px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:20px;font-size:14px}a{color:var(--accent)}header a{font-weight:750;text-decoration:none}header span,small,p{color:var(--muted)}.heading{display:flex;align-items:center;gap:16px;margin:32px 0}h1{font-size:30px;line-height:1.2;margin:0}h2{font-size:20px;margin:0}.heading p{margin:8px 0 0}.entry{display:grid;grid-template-columns:2fr 1fr;gap:16px}label{display:block;font-size:14px;margin-bottom:6px}input,select,button{font:inherit;border:1px solid var(--line);border-radius:6px;background:var(--field);color:var(--text);min-height:46px;padding:10px 12px;max-width:100%}input,select{width:100%;min-width:0}input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}input[aria-invalid=true]{border-color:var(--error)}button{cursor:pointer;color:var(--accent);font-weight:650}button:disabled{opacity:.6;cursor:wait}.results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:20px 0 32px}.result{padding:18px;border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:6px;background:var(--surface);min-width:0;min-height:125px}.result:nth-child(2){border-top-color:#ce7765}.result:nth-child(3){border-top-color:#8c83b3}.result:nth-child(4){border-top-color:#b69a43}.result strong{display:block;font-size:24px;margin:10px 0 0;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.result small{display:block}.rates-section{border-top:1px solid var(--line);padding-top:24px}.section-title{display:flex;justify-content:space-between;gap:16px;align-items:center}#status{font-size:14px;min-height:42px}.rate-row{display:grid;grid-template-columns:minmax(140px,1fr) 75px minmax(100px,180px) 36px;gap:10px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}.rate-row label{margin:0}.rate-row small{display:block;overflow-wrap:anywhere}.rate-row input{text-align:right}.error{color:var(--error);font-size:14px;margin:6px 0;min-height:21px}footer{font-size:12px;margin:28px 0}footer p{margin-bottom:6px}
@media(max-width:550px){main{padding:18px 16px}h1{font-size:25px}.heading{gap:12px}.heading img{width:36px;height:36px}.entry{grid-template-columns:1fr}.results{gap:10px}.result{padding:12px}.result strong{font-size:20px}.rate-row{grid-template-columns:72px minmax(0,1fr) 34px}.rate-row>div{grid-column:1/-1}.section-title{align-items:start}button{font-size:14px}.section-title h2{padding-top:10px}header span{font-size:12px}}