:root,[data-theme=light]{color-scheme:light;--bg:#f6f7f9;--card:#ffffff;--card2:#f8fafb;--ink:#14181f;--muted:#4b5563;--acc:#0f766e;--acc2:#115e59;--on-acc:#ffffff;--link:#0f5f59;--line:#d9dde3;--ctl:#6b7280;--input:#ffffff;--result:#ecfdf5;--chip:#e6f4f1;--neg:#b42318;--pos:#067647;--focus:#a64b00;--dis-bg:#e5e7eb;--dis-ink:#4b5563;--dis-line:#6b7280;--notice:#fff7e6;--ad:#eef1f4}[data-theme=dark]{color-scheme:dark;--bg:#0e1416;--card:#162024;--card2:#1b282c;--ink:#e7eef0;--muted:#a9b6bb;--acc:#2dd4bf;--acc2:#5eead4;--on-acc:#042f2b;--link:#5eead4;--line:#2f3e43;--ctl:#82939a;--input:#0f181b;--result:#11302c;--chip:#1d3833;--neg:#ff9b8f;--pos:#6ee7b7;--focus:#fbbf24;--dis-bg:#2a3438;--dis-ink:#b6c2c7;--dis-line:#82939a;--notice:#3a2c10;--ad:#131c1f}:root{font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Helvetica 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var(--ctl);background:var(--card);color:var(--ink);display:grid;place-items:center;font-size:1.2rem}.theme-toggle .ti:before{content:"☾"}[data-theme=dark] .theme-toggle .ti:before{content:"☀"}.tool-nav ul{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:4px 14px}.tool-nav a{display:inline-flex;align-items:center;min-height:44px;font-weight:600;font-size:.95rem}.tool-nav a[aria-current=page]{color:var(--ink);text-decoration-thickness:3px}.skip{position:absolute;left:-9999px;top:8px;z-index:20}.skip:focus{left:8px;background:var(--card);color:var(--link);padding:10px 14px;border-radius:8px;border:2px solid var(--focus)}.consent{display:none}.stb-ask .consent{display:block}.consent-box{background:var(--notice);border:1px solid var(--ctl);border-radius:12px;padding:12px 14px;margin:10px 0 0}.consent h2{font-size:1rem;margin:0 0 4px}.consent p{margin:0 0 8px;font-size:.92rem}.consent .btn{min-width:110px}h1{font-size:1.65rem;line-height:1.2;margin:14px 0 8px}.lead{color:var(--muted);margin:0 0 8px;font-size:1.05rem}h2{font-size:1.2rem;line-height:1.3;margin:0 0 12px}h3{margin:0 0 10px;font-size:1.05rem}.calc>h2{margin:8px 0 12px}.updated{margin:0 0 16px}.crumbs ol{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-wrap:wrap;gap:6px;font-size:.9rem;color:var(--muted)}.crumbs li+li:before{content:"›";margin-right:6px}.prose{max-width:68ch}.prose ul,.prose ol{padding-left:22px}.prose li{margin:4px 0}.prose h2{margin-top:6px}.tbp{background:var(--notice);color:var(--ink);padding:0 4px;border-radius:4px;font-weight:600}code{font-size:.92em;background:var(--chip);padding:0 4px;border-radius:4px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin:0 0 16px}.card.sub{background:var(--card2);margin-top:10px}.field{margin-bottom:10px}label,.lbl{display:block;font-weight:600;font-size:.92rem}.field>label,.field>.lbl{margin-bottom:4px}input,select{display:block;width:100%;font:inherit;padding:10px 12px;border:1px solid var(--ctl);border-radius:10px;background:var(--input);color:var(--ink);min-height:44px}input[aria-invalid=true]{border-color:var(--neg);border-width:2px}input:disabled{background:var(--dis-bg);color:var(--dis-ink)}input.small{width:110px;display:inline-block;margin:0 6px}.hint{margin:4px 0 0;font-size:.85rem;color:var(--muted)}.err{margin:4px 0 0;font-size:.88rem;color:var(--neg);font-weight:600}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.row{display:flex;gap:8px;align-items:center}.row.wrap{flex-wrap:wrap;max-width:none;margin:0;padding:0}.grow{flex:1}.self-end{align-self:flex-end;margin-bottom:10px}.row.rate{flex-wrap:wrap;margin-bottom:8px}.row.rate>label{flex:1}fieldset{border:0;padding:0;margin:0 0 10px;min-width:0}legend{font-weight:600;font-size:.92rem;margin-bottom:6px;padding:0}.chips{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.inline{display:inline-flex;align-items:center;flex-wrap:wrap;margin:0 0 0 6px}.inline>label{font-weight:500}.inline .err{flex-basis:100%}.shares .inline{display:flex;margin:0 0 8px}.shares .inline>label{min-width:110px}button{font:inherit;cursor:pointer;min-height:44px}button:disabled{cursor:not-allowed}.chips>button,.tabs button{padding:8px 14px;border-radius:999px;border:1px solid var(--ctl);background:var(--input);color:var(--ink)}.chips>button[aria-pressed=true],.tabs button[aria-pressed=true]{background:var(--acc);border-color:var(--acc);color:var(--on-acc);font-weight:700}.check{display:flex;gap:10px;align-items:center;font-weight:500;min-height:44px;margin-bottom:6px}.check input{width:22px;height:22px;min-height:22px;margin:0;accent-color:var(--acc)}.stepper{display:flex;align-items:center;gap:6px}.stepper button{width:44px;border-radius:10px;border:1px solid var(--ctl);background:var(--input);color:var(--ink);font-size:1.3rem}.stepper button:disabled{background:var(--dis-bg);color:var(--dis-ink);border-color:var(--dis-line)}.stepper output{min-width:40px;text-align:center;font-weight:700;font-size:1.2rem}.btn{background:var(--acc);color:var(--on-acc);border:1px solid var(--acc);border-radius:10px;padding:10px 16px;font-weight:600}.btn:hover{background:var(--acc2);border-color:var(--acc2)}.btn:disabled,.btn:disabled:hover{background:var(--dis-bg);color:var(--dis-ink);border-color:var(--dis-line)}.btn.ghost{background:transparent;color:var(--link);border:1px solid var(--ctl)}.btn.ghost:hover{background:var(--chip)}.link{background:none;border:0;color:var(--link);text-decoration:underline;padding:0;min-height:0;font-weight:600;margin-left:4px}.result{background:var(--result);border-radius:12px;padding:14px;margin:8px 0}.big{font-size:2.2rem;font-weight:800;color:var(--acc2);line-height:1.2}[data-theme=light] .big{color:var(--acc2)}.big small{font-size:1rem;color:var(--muted);font-weight:500}.muted{color:var(--muted);font-size:.92rem}.warn{color:var(--neg);font-size:.92rem}.notice{background:var(--notice);border:1px solid var(--ctl);border-radius:12px;padding:10px 14px;margin:0 0 12px;font-weight:600}.tabs{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.people{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:6px}.people li{background:var(--chip);border-radius:999px;padding:2px 2px 2px 12px;display:flex;align-items:center}.people button{border:0;background:none;width:44px;min-height:44px;font-size:1.2rem;color:var(--ink);border-radius:999px}.list{list-style:none;padding:0;margin:0 0 10px}.list>li{display:flex;gap:8px;align-items:center;padding:10px 0;border-bottom:1px solid 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a,.site-footer li .link{display:inline-flex;align-items:center;min-height:44px;margin:0}.foot-h{font-size:.95rem;margin:0}.app-both,.app-quick{min-height:991px}.app-group{min-height:795px}.app-rent{min-height:686px}@media (min-width:481px){.app-both,.app-quick{min-height:728px}.app-group{min-height:653px}.app-rent{min-height:564px}}@media (max-width:480px){.grid2{grid-template-columns:1fr}h1{font-size:1.4rem}}@media (prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}