:root{color-scheme:light;--ink:#19263d;--muted:#66758b;--line:#e2e7ef;--blue:#2254db;--navy:#142744;--bg:#f5f7fb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family: -apple-system,BlinkMacSystemFont,'Segoe UI','Malgun Gothic',sans-serif;font-size:16px;line-height:1.6}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:var(--blue)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #4077f0;outline-offset:4px}.skip{position:fixed;top:-100px;background:white;padding:12px;z-index:10}.skip:focus{top:0}.header{height:88px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 4vw}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-size:23px;font-weight:800;text-decoration:none}.brand-icon{background:var(--blue);color:white;border-radius:12px;width:43px;height:43px;line-height:43px;text-align:center;font-size:27px}.brand-icon span{color:#c5f4ce;font-size:17px;vertical-align:super}.brand-sub{font-size:15px;font-weight:500;border-left:1px solid var(--line);padding-left:12px}.header-note{font-size:14px;color:var(--muted)}.shell{display:grid;grid-template-columns:245px minmax(0,1fr);max-width:1500px;margin:auto;min-height:calc(100vh - 88px)}aside{padding:38px 26px;border-right:1px solid var(--line);background:#fff}aside h2{font-size:16px;margin:8px 0 26px}.eyebrow{font-size:12px;letter-spacing:1.7px;font-weight:700;color:var(--muted);margin:0}nav{display:grid;gap:8px}nav button{border:0;border-radius:9px;padding:13px;text-align:left;background:none;color:#526178;display:flex;justify-content:space-between;gap:8px}nav button.active{color:var(--blue);background:#edf2ff;font-weight:700}nav button:hover{background:#f1f4f9}nav small{font-size:12px}.side-note{margin-top:65px;border-top:1px solid var(--line);padding-top:25px;font-size:14px}.side-note p,.side-note span{color:var(--muted)}.side-note span{font-size:12px}main{padding:37px 38px 20px;min-width:0}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:27px}h1{font-size:31px;letter-spacing:-1.4px;line-height:1.4;margin:7px 0}.page-heading p:not(.eyebrow){color:var(--muted);margin:6px 0}.edition{color:var(--muted);font-size:11px;letter-spacing:2px;text-align:right}.edition b{color:var(--blue);font-size:23px;font-weight:500}.calculator-list{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.calc-tab{border:1px solid var(--line);border-radius:7px;padding:9px 13px;color:#536179;background:#fff;font-size:14px}.calc-tab.active{background:var(--navy);border-color:var(--navy);color:white}.calc-top{background:white;border:1px solid var(--line);border-bottom:0;border-radius:16px 16px 0 0;padding:25px 28px;display:flex;align-items:flex-start;gap:15px}.calc-number{color:var(--blue);background:#edf2ff;border-radius:10px;padding:7px 12px;font-weight:700}.calc-top h2{font-size:23px;letter-spacing:-.6px;margin:0 0 4px}.calc-top p{color:var(--muted);font-size:14px;margin:0}.calc-body{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);background:white;border:1px solid var(--line);border-radius:0 0 16px 16px;overflow:hidden}form{padding:26px 28px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px}.field{min-width:0}.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px}.control{position:relative}.control input,.control select{width:100%;min-height:47px;background:#fff;border:1px solid #cdd5e1;border-radius:7px;padding:10px 48px 10px 12px;color:var(--ink);font-variant-numeric:tabular-nums}.control select{padding-right:12px}.control input:focus{border-color:var(--blue)}.unit{position:absolute;right:12px;top:11px;font-size:14px;color:var(--muted);pointer-events:none}.hint{font-size:12px;color:var(--muted);margin-top:4px;min-height:19px}.actions{display:flex;gap:10px;margin-top:26px}.actions button{border:0;border-radius:8px;padding:12px 18px;font-weight:600}.primary{background:var(--blue);color:white;flex:1}.primary:hover{background:#1643bc}.reset{background:#eff2f7;color:#526178}.result{background:var(--navy);padding:30px 27px;color:white;display:flex;flex-direction:column}.result-eyebrow{font-size:12px;letter-spacing:1.6px;color:#a3b7d9}.result h3{font-size:15px;font-weight:500;color:#dce6f8;margin:22px 0 8px}.result-value{font-size:clamp(25px,2.8vw,37px);letter-spacing:-1px;line-height:1.4;font-weight:750;overflow-wrap:anywhere}.result-value small{font-size:17px;margin-left:5px;font-weight:500}.result-sub{font-size:14px;color:#b2d8ff;margin:4px 0 24px}.result dl{margin:0;border-top:1px solid #38506e;padding-top:16px}.result dl div{display:flex;justify-content:space-between;gap:12px;margin:12px 0;font-size:14px}.result dt{color:#b8c7dd}.result dd{margin:0;text-align:right;font-weight:600}.result-bottom{font-size:12px;color:#aabdd9;margin-top:auto;padding-top:24px}.error{color:#ffcec8}.stale{color:#ffe3a0;font-size:14px}.details{background:white;border:1px solid var(--line);border-radius:10px;margin-top:16px;padding:17px 22px;font-size:14px;color:#526178}.details summary{cursor:pointer;color:var(--ink);font-weight:600}.details p{margin:12px 0 0}.notice{margin:25px 0;font-size:13px;color:var(--muted);border-left:3px solid #b6c4d8;padding-left:16px}.notice b{font-size:14px;color:#43526a}.notice p{margin:5px 0}footer{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding:20px 0}.table-wrap{max-height:320px;overflow:auto;margin-top:15px}table{border-collapse:collapse;width:100%;font-size:13px;text-align:right;white-space:nowrap}th,td{padding:10px;border-bottom:1px solid var(--line)}th{background:#eef2f8;position:sticky;top:0}.pending{border:1px solid var(--line);border-radius:16px;background:white;padding:30px}.pending h2{margin-top:0}.pending-list{display:flex;flex-wrap:wrap;gap:10px}.pending-list span{background:#f1f4f9;padding:10px 14px;border-radius:7px}.pending p{color:var(--muted)}[hidden]{display:none!important}@media(min-width:1500px){main{padding-left:48px;padding-right:48px}}@media(max-width:1050px){.shell{grid-template-columns:205px minmax(0,1fr)}main{padding:26px 22px}aside{padding:28px 16px}.calc-body{grid-template-columns:1fr}.result{padding:26px}.result dl{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.header-note,.edition{display:none}}@media(max-width:700px){.header{height:72px;padding:0 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