:root{--brand:#1C1917;--brand-dark:#292524;--brand-tint:#F5F5F4;--accent:#EA580C;--bg:#FFFFFF;--surface:#FAFAF9;--text:#1C1917;--text-muted:#57534E;--border:#E7E5E4;--ok:#15803D;--error:#B91C1C;--note-bg:#FFF7ED;--note-text:#9A3412;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:var(--brand);text-underline-offset:4px}button,input,select{font:inherit}button,input,select,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--brand);outline-offset:3px}header,main,footer{width:min(1080px,calc(100% - 40px));margin:auto}.brandbar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);padding:16px 0;font-size:13px}.brand{font-weight:750;letter-spacing:.03em;text-decoration:none}.brand span{background:var(--brand);color:var(--bg);padding:5px 9px;margin-right:8px;border-radius:5px}.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-size:11px;font-weight:750;color:var(--text-muted)}.hero{padding:24px 0 12px}h1,h2,h3,p{margin-top:0}h1,h2{font-family:inherit;font-weight:800;letter-spacing:-.04em;color:var(--brand)}h1{font-size:36px;font-weight:900;line-height:1.12;margin-bottom:10px}h2{font-size:32px;line-height:1.2;margin-bottom:22px}h3{font-size:17px;line-height:1.4}p,li{font-size:16px;line-height:1.75}.hero p{font-size:16px;color:var(--text-muted);margin-bottom:0;line-height:1.5}.definition{margin:0 0 18px;line-height:1.5}.calculator{max-width:620px;margin:auto}.hero,.definition{max-width:620px;margin-left:auto;margin-right:auto}.definition{font-size:13px;color:var(--text-muted)}#wizard-nav{display:flex;margin-bottom:16px;border-bottom:1px solid var(--border)}#wizard-nav button{flex:1;border:0;border-bottom:3px solid transparent;background:none;padding:14px 8px;color:var(--text-muted);font-size:13px}#wizard-nav button span{margin-left:6px}#wizard-nav [aria-current]{border-color:var(--accent);color:var(--text);font-weight:750}.step-actions{display:flex;gap:10px}.step-actions .primary{flex:1}.step-actions .secondary{min-width:72px}.quick{display:block;margin:8px auto 0;background:none;border:0;min-height:44px;color:var(--text);font-size:13px;text-decoration:underline;text-underline-offset:4px}#result-error:empty{display:none}.guide{max-width:780px;margin-left:auto;margin-right:auto}.panel{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:20px}.panel h2{font-size:22px;margin-bottom:16px}.topfields,.pair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}.field{margin-bottom:10px;min-width:0}label,.label{display:block;font-size:13px;font-weight:650;margin-bottom:7px}input:not([type=radio]):not([type=checkbox]),select,textarea{width:100%;min-width:0;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:12px;font-size:16px;color:var(--text);scroll-margin:100px 0}input[type=checkbox],input[type=radio]{accent-color:var(--brand);width:18px;height:18px;flex-shrink:0}.money-input{position:relative}.money-input span{position:absolute;left:13px;top:13px;color:var(--text-muted)}.money-input input{padding-left:30px!important}.primary{background:var(--brand);color:var(--bg);border:1px solid var(--brand);border-radius:10px;font-weight:650;padding:12px 18px;width:100%;min-height:48px}.primary:hover,.primary:active{background:var(--brand-dark)}.calculate-bar{background:var(--bg);padding:8px 0;margin-top:12px}.calculate-bar .error{margin:0 0 8px}.calculate-bar .error:empty{display:none}.edit-inputs{display:inline-block;font-size:13px;padding:10px 0}.hint{font-size:12px;line-height:1.6;color:var(--text-muted);margin:7px 0 14px}.chips{display:flex;gap:6px;margin-bottom:10px}.chips button{color:var(--text);flex:1;background:var(--bg);border:1px solid var(--border);border-radius:5px;padding:10px 3px;min-height:44px;font-size:13px}.chips button[aria-pressed=true]{background:var(--brand-tint);border-color:var(--brand);color:var(--brand);font-weight:700}.check{display:flex;align-items:center;gap:8px;min-height:44px;font-weight:400}.check input{margin:0}.divider{border:0;border-top:1px solid var(--border);margin:22px 0}fieldset{padding:0;border:0;margin:14px 0}.methods{display:grid;grid-template-columns:1fr 1fr;gap:8px}legend{font-size:14px;font-weight:700;margin-bottom:12px}.option{display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:7px;padding:10px;margin:0;min-height:44px;font-weight:600}.option input{margin:2px 0}.option:has(input:checked){background:var(--brand-tint);border-color:var(--brand)}.person{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:12px;margin:12px 0}.person:has(.person-value[hidden]){grid-template-columns:1fr}details{border-top:1px solid var(--border);margin-top:8px}summary{cursor:pointer;font-size:14px;font-weight:650;padding:13px 0;min-height:44px}#charges-summary{display:block;font-weight:400;color:var(--text-muted);margin:4px 0 0 16px;overflow-wrap:anywhere}.advanced-person{display:flex;flex-wrap:wrap;gap:8px 16px;border-bottom:1px solid var(--border);padding:8px 0}.advanced-person>span{width:100%;overflow-wrap:anywhere;font-size:13px}.receipt{background:var(--surface);border-color:var(--border)}.receipt-head{display:flex;justify-content:space-between;align-items:center}.badge{font-size:10px;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--border);border-radius:4px;padding:5px 7px}.total-label{font-size:13px;color:var(--text-muted);margin-bottom:4px}.total{font-weight:800;color:var(--accent);font-size:40px;letter-spacing:-.04em;margin:0;font-variant-numeric:tabular-nums}.receipt table{width:100%;border-collapse:collapse;font-size:14px}.receipt th,.receipt td{padding:10px 0;border-bottom:1px solid var(--border);text-align:left;overflow-wrap:anywhere}.receipt th:first-child{width:45%}.receipt th:nth-child(n+2),.receipt td:nth-child(n+2){text-align:right}.receipt th{font-size:11px;color:var(--text-muted);font-weight:600}.receipt td:nth-child(2){font-weight:750;font-variant-numeric:tabular-nums}.totals{margin:8px 0}.totals div{display:flex;justify-content:space-between;gap:12px;padding:5px 0;font-size:13px}.totals dd{margin:0}.totals div:last-child{border-top:1px solid var(--border);margin-top:9px;padding-top:12px;font-weight:750}.verified{font-size:12px;color:var(--ok)}.transfers{background:var(--note-bg);color:var(--note-text);border:0;border-left:3px solid var(--accent);border-radius:8px;padding:0 12px}.transfers .hint{color:var(--note-text)}.transfers p,.transfers li{font-size:13px}.transfers ul{padding-left:18px}.actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}.secondary{border:1px solid var(--brand);background:transparent;border-radius:6px;padding:12px 8px;min-height:46px;font-size:13px;font-weight:600;color:var(--brand)}.secondary:hover,.secondary:active{background:var(--brand-tint);color:var(--brand-dark)}.privacy-note{font-size:11px;line-height:1.7;margin:14px 0 0;color:var(--text-muted)}.error{color:var(--error);font-size:14px;line-height:1.5}.save-image{width:100%;margin-top:8px}#payments .pair{margin-top:12px}#expense-list{padding-left:20px}#expense-list li{overflow-wrap:anywhere;font-size:13px;margin:12px 0}#expense-list button{margin-left:8px}#balances li{overflow-wrap:anywhere}.payments-panel{margin-top:18px}.payments-panel details{border:0;margin:0;padding:0}#items-panel{margin-top:16px}.item-row{position:relative;border:1px solid var(--border);border-radius:8px;padding:10px;margin:10px 0}.item-row>strong{display:block;min-height:34px;font-size:13px;padding-top:6px}.item-row>button{position:absolute;right:8px;top:0;min-height:44px;border:0;padding:6px}.item-row .pair{gap:8px;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}.item-row legend{margin-bottom:4px}.item-row fieldset{display:flex;flex-wrap:wrap;gap:4px;margin:10px 0 0}.item-row .check{overflow-wrap:anywhere;max-width:100%;border:1px solid var(--border);border-radius:6px;gap:5px;padding:6px;margin:0}.item-row .check:has(:checked){background:var(--brand-tint);border-color:var(--brand)}#item-subtotals{padding-left:20px}#item-subtotals li{font-size:13px;overflow-wrap:anywhere}.copy-fallback textarea{height:120px;font:14px monospace}.content{max-width:780px;margin:40px auto}.guide{margin-top:24px}.content section{border-top:1px solid var(--border);padding:24px 0 4px}.content h3{margin-top:26px;margin-bottom:10px}.content p{color:var(--text)}.example{background:var(--surface);padding:26px;border-radius:10px;margin-bottom:36px}.example h2{letter-spacing:0;font-size:19px;font-weight:650}.example table{width:100%;border-collapse:collapse}.example td,.example th{text-align:left;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}.example td:last-child,.example th:last-child{text-align:right}.example p{font-size:13px;margin:16px 0 0}.steps{padding-left:23px}.steps li{padding-left:8px;margin-bottom:18px}.steps strong{display:block}.comparison{width:100%;table-layout:fixed;border-collapse:collapse;margin:24px 0;font-size:14px;line-height:1.55}.comparison caption{text-align:left;font-weight:650;margin-bottom:12px}.comparison th,.comparison td{padding:12px 6px;border:1px solid var(--border);text-align:left;vertical-align:top;overflow-wrap:anywhere}.comparison thead{background:var(--surface)}footer{border-top:1px solid var(--border);padding:28px 0 40px;font-size:12px;color:var(--text-muted)}footer nav{display:flex;gap:24px;margin-bottom:15px}footer p{font-size:12px}.skip{position:absolute;top:-100px;left:10px}.skip:focus{top:10px;background:var(--bg);padding:12px;z-index:10}[hidden]{display:none!important}.info{max-width:740px;padding:50px 0}.noscript{padding:12px;background:var(--surface);border-radius:6px;font-size:13px}@media(max-width:700px){header,main,footer{width:calc(100% - 32px)}.hero{padding:20px 0 10px}h1{font-size:30px}.panel{padding:16px}.content h2{font-size:24px}.example{padding:20px}.topfields{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}}