:root{color-scheme:light;--bg:#f4f6f8;--panel:#fff;--field:#f6f7f8;--text:#20281f;--muted:#606c5b;--line:#dce3d8;--accent:#507516;--lime:#d4ff63}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}button,input,select{font:inherit;color:inherit}a{color:var(--accent);text-underline-offset:3px}button,summary{cursor:pointer}a,button,input,select,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}button:disabled{opacity:.5;cursor:default}[hidden]{display:none!important}.shell{max-width:1120px;margin:auto;padding:0 36px}header{min-height:90px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-size:30px;font-weight:650;letter-spacing:-1px;color:var(--text);text-decoration:none}.brand span{font-size:40px;color:var(--accent);line-height:1}.services{position:relative;font-size:14px}.services summary{padding:12px 0}.services nav{position:absolute;right:0;z-index:2;min-width:230px;display:grid;background:white;padding:10px;border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px #20281f12}.services nav>*{padding:10px;text-decoration:none}.services nav span{color:var(--muted)}.intro{margin:32px 0 26px}.eyebrow,.section-label{color:var(--muted);font-weight:500;font-size:14px}.eyebrow{margin:0 0 8px}h1{font-size:clamp(30px,4vw,46px);font-weight:550;line-height:1.15;letter-spacing:-1.5px;margin:0}p{margin:10px 0}.muted{color:var(--muted)}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:22px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px;min-width:0}.section-label{margin:0 0 24px}.result-panel{border-top:4px solid var(--lime);padding-top:23px;display:flex;flex-direction:column}fieldset{border:0;padding:0;margin:0 0 24px;min-width:0}legend,label{font-size:14px}legend{margin-bottom:8px}label{display:block;margin:0 0 8px}.segments{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:9px;background:var(--field)}.segments label{flex:1;position:relative;margin:0;cursor:pointer}.segments input{position:absolute;opacity:0;width:1px;height:1px}.segments span{display:block;text-align:center;padding:10px 5px;border-radius:6px;font-size:14px}.segments input:checked+span{background:var(--lime);color:#243612;font-weight:600}.segments input:focus-visible+span{outline:3px solid var(--accent);outline-offset:2px}.amount-box{display:flex;align-items:center;gap:8px;background:var(--field);border:1px solid var(--line);border-radius:9px;padding:12px 14px}.amount-box:focus-within{border-color:var(--accent)}.amount-box input{width:100%;min-width:0;border:0;outline:0;background:none;font-size:clamp(26px,3vw,35px);font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:-1px}.amount-box>span{font-size:23px;color:var(--muted)}.hint{font-size:14px;color:var(--muted);line-height:1.5}.amount-box+.hint{margin:8px 0 24px}select,#custom{width:100%;min-height:46px;border:1px solid var(--line);border-radius:8px;background:var(--field);padding:10px;font-size:16px}#custom-field{margin-top:16px}.error{color:#a92b18;font-size:14px;min-height:21px}.result-line{display:flex;justify-content:space-between;align-items:baseline;gap:18px;margin-bottom:18px}.result-line span,.total>span{font-size:14px;color:var(--muted)}.result-line strong{font-size:22px;font-weight:500;overflow-wrap:anywhere;text-align:right;font-variant-numeric:tabular-nums}.total{border-top:1px solid var(--line);padding-top:20px}.total strong{display:block;font-size:clamp(30px,3.5vw,44px);font-weight:550;letter-spacing:-1px;line-height:1.3;margin-top:7px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}#formula{margin:12px 0 22px}.primary{display:flex;justify-content:space-between;align-items:center;background:var(--lime);color:#233313;border:1px solid #bce83e;border-radius:8px;padding:14px 18px;min-height:52px;font-weight:600}.primary:hover{background:#c5ed54}.keyboard{margin:8px 0 0;font-size:13px}.status{font-size:14px;color:var(--accent);min-height:21px;margin:4px 0 14px}.handoff{border-top:1px solid var(--line);padding-top:18px;margin-top:auto}.send-row{display:flex;gap:8px;align-items:stretch}.send-row select{flex:1;min-width:0;font-size:14px}.secondary{border:1px solid var(--line);border-radius:8px;padding:12px 10px;text-decoration:none;font-size:14px;display:flex;align-items:center;justify-content:center}.secondary:hover{border-color:var(--accent)}.secondary[aria-disabled=true]{opacity:.5;pointer-events:none}.notes{margin:26px 0 32px}.notes details{border-bottom:1px solid var(--line);padding:17px 0}.notes summary{font-size:16px}.notes p{color:var(--muted);max-width:900px;font-size:14px;line-height:1.7;margin:15px 0}footer{border-top:1px solid var(--line);padding:24px 0 32px;display:flex;justify-content:space-between;gap:20px;font-size:14px;color:var(--muted)}footer b{font-size:22px;font-weight:550;color:var(--text)}footer p{margin:5px 0}footer .hint{font-size:13px}@media(max-width:740px){.shell{padding:0 16px}header{min-height:76px}.brand{font-size:25px}.brand span{font-size:33px}.intro{margin:24px 0 22px}.intro>.muted{font-size:14px}.workspace{grid-template-columns:1fr;gap:16px}.panel{padding:20px}.result-panel{padding-top:17px}.section-label{margin-bottom:20px}.total strong{font-size:36px}footer{flex-direction:column;gap:16px}.send-row{flex-wrap:wrap}.send-row select,.secondary{flex:1;flex-basis:150px}}@media(prefers-reduced-motion:no-preference){button,a{transition:background .15s,border-color .15s}}

.segments small{display:block;font-size:14px;font-weight:400;line-height:1.35;margin-top:4px}.segments input:checked+span small{color:#34451c}#formula{overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.segments label>span{height:100%}
.status textarea{display:block;width:100%;max-width:100%;min-height:110px;margin-top:8px;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--field);color:var(--text);font:inherit;resize:vertical}
.services nav{background:var(--panel)}.error{color:var(--error,#a92b18)}