/* System fonts keep the calculator independent of third-party font requests. */
:root{--bg:#f6f8fc;--surface:#fff;--text:#17253e;--muted:#617087;--line:#e2e7ef;--accent:#255ceb;--soft:#edf2ff;--input:#fbfcfe;--navy:#14243e;--radius:18px;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--bg);color:var(--text);font-family:'DM Sans',system-ui,sans-serif;font-size:16px;line-height:1.6}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,select,summary{cursor:pointer}button{color:inherit}a{color:inherit;text-decoration:none}button{transition:background .15s,transform .15s}button:active{transform:translateY(1px)}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #769dff;outline-offset:4px}input:focus,select:focus{border-color:var(--accent)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;left:16px;top:-100px;background:white;padding:12px;z-index:10}.skip:focus{top:12px}.header{max-width:1200px;margin:auto;height:104px;display:flex;align-items:center;gap:30px;padding:0 40px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.6px;line-height:1.1}.brand small{display:block;font-size:9px;letter-spacing:2.6px;margin-top:5px;font-weight:600}.brand-light{font-weight:450}.brand-mark{background:var(--accent);color:white;display:flex;align-items:center;justify-content:center;width:43px;height:43px;border-radius:12px;font-size:21px;letter-spacing:-2px}.brand-mark span{font-size:20px;align-self:flex-start;padding-top:5px}.header nav{display:flex;gap:32px;margin-left:auto;font-size:14px;font-weight:550}.nav-active{color:var(--accent)}.theme-button{background:none;border:1px solid var(--line);border-radius:50%;width:40px;height:40px;font-size:23px}main{max-width:1120px;margin:auto;padding:0 24px}.intro{padding:45px 0 30px}.eyebrow{display:flex;align-items:center;gap:8px;color:var(--accent);font-size:11px;font-weight:750;letter-spacing:1.8px}.eyebrow span{width:16px;height:2px;background:var(--accent)}h1,h2,h3{font-family:'Manrope',system-ui,sans-serif;line-height:1.2;letter-spacing:-1.1px}h1{font-size:clamp(34px,4.5vw,49px);margin:13px 0 14px;font-weight:800}h1>span{color:var(--accent)}.intro p{color:var(--muted);font-size:16px;margin:0;line-height:1.7}.workspace{display:grid;grid-template-columns:1.07fr 1fr;border-radius:var(--radius);box-shadow:0 12px 38px #172c4b0a;border:1px solid var(--line);overflow:hidden;background:var(--surface);scroll-margin-top:20px}.input-panel{padding:29px 34px 0}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.section-label{font-size:11px;font-weight:750;letter-spacing:1.7px;color:var(--muted)}.text-button{background:none;border:0;color:var(--accent);font-size:13px;font-weight:650;padding:8px 0;min-height:40px}.mode-tabs{display:grid;grid-template-columns:repeat(3,1fr);padding:5px;background:var(--bg);border:1px solid var(--line);border-radius:10px;margin:18px 0 24px}.mode-tabs button{background:none;border:0;border-radius:6px;min-height:40px;font-size:14px;color:var(--muted);font-weight:650}.mode-tabs button[aria-selected=true]{background:var(--surface);color:var(--accent);box-shadow:0 2px 8px #15243b0d}.field-group{margin:0 0 20px;padding:0;border:0;min-width:0}.field-group>label,.field-group legend{font-size:14px;font-weight:650;margin-bottom:9px;display:block}.joined-input{display:flex;border:1px solid var(--line);border-radius:9px;background:var(--input);overflow:hidden}.joined-input:focus-within{outline:2px solid var(--accent);outline-offset:1px}input,select{background:var(--input);color:var(--text);border:1px solid var(--line);border-radius:8px;min-height:46px;padding:10px 12px;min-width:0;max-width:100%}input[type=number]{appearance:textfield;-moz-appearance:textfield}input::-webkit-inner-spin-button,input::-webkit-outer-spin-button{-webkit-appearance:none}.joined-input input{flex:1;width:100%;border:0;background:none;font-size:24px;font-weight:550;padding:11px 15px;border-radius:0}.joined-input select{width:106px;border:0;border-left:1px solid var(--line);border-radius:0;background:none;font-size:14px}.joined-input input:focus-visible,.joined-input select:focus-visible{outline-offset:-3px}.presets{display:flex;gap:7px;margin-top:10px;flex-wrap:wrap}.presets button{border:1px solid var(--line);border-radius:6px;background:none;font-size:12px;min-height:32px;padding:4px 13px;color:var(--muted)}.presets button.active{background:var(--soft);color:var(--accent);border-color:#b4c7ff}.preset-select{font-size:12px;min-height:32px;background:none;border:0;color:var(--muted);padding:4px 0;margin-top:4px;max-width:100%}.time-inputs{display:grid;grid-template-columns:1fr 13px 1fr 13px 1fr;gap:7px;align-items:start}.time-inputs label,.pace-inputs label{text-align:center;min-width:0}.time-inputs input,.pace-inputs input{width:100%;text-align:center;font-size:24px;height:59px;font-variant-numeric:tabular-nums}.time-inputs b,.pace-inputs b{padding-top:12px;color:#9aa6b7;text-align:center;font-size:23px;font-weight:400}.time-inputs label span,.pace-inputs label span{display:block;font-size:12px;color:var(--muted);margin-top:5px}.pace-inputs{display:grid;grid-template-columns:1fr 12px 1fr 110px;gap:8px}.pace-inputs select{height:59px;font-size:14px}.form-bottom{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted);margin:15px 0}.form-bottom button{font-size:12px}.advanced{border-top:1px solid var(--line)}summary{list-style:none}summary::-webkit-details-marker{display:none}.advanced summary{min-height:60px;display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:600}.advanced summary span span{margin-right:8px;color:var(--muted)}.plus{font-size:23px;font-weight:400;color:var(--muted)}details[open] .plus{transform:rotate(45deg)}.advanced-body{padding-bottom:24px;display:grid;gap:10px}.advanced-body>label,.advanced-body div>label{font-size:14px;font-weight:550}.advanced-body div input{width:100%;margin-top:5px}.advanced-body p{margin:0}.advanced-body select{width:100%;font-size:14px}.check{display:flex;align-items:center;gap:8px;font-size:14px}.check input{width:17px!important;height:17px;min-height:17px;accent-color:var(--accent);margin:0!important}.output-toggles{border:0;margin:0;padding:8px 0 0}.output-toggles legend{font-size:14px;font-weight:550}.output-toggles label{margin-top:7px}.hint{font-size:12px;line-height:1.6;color:var(--muted)}.result-panel{background:var(--navy);color:#fff;padding:34px;display:flex;flex-direction:column;position:relative}.result-panel .section-label{color:#a6b5d0}.result-badge{font-size:9px;letter-spacing:1px;border:1px solid #ffffff24;border-radius:4px;padding:5px 7px;color:#a8bbd8}.result-main{text-align:center;margin:38px 0 25px}.result-main>span:first-child{font-size:14px;color:#b8c8e0}.big-result{font-family:'Manrope',sans-serif;font-size:clamp(52px,6.4vw,83px);line-height:1.3;font-weight:750;letter-spacing:-3px;font-variant-numeric:tabular-nums;margin:7px 0 0;overflow-wrap:anywhere}.big-result span{color:#aabbd5}.result-unit{font-size:10px;letter-spacing:2.2px;color:#a9bce0}.result-main p{font-size:13px;line-height:1.7;color:#b8c8e0;margin:23px auto 0;max-width:320px;min-height:45px}.result-metrics{display:flex;gap:12px;border-top:1px solid #ffffff18;border-bottom:1px solid #ffffff18;padding:24px 0;justify-content:space-around}.result-metrics div{text-align:center;flex:1}.result-metrics div+div{border-left:1px solid #ffffff18}.result-metrics span{display:block;font-size:9px;letter-spacing:1.3px;color:#a6bad8}.result-metrics strong{display:block;font-size:26px;line-height:1.4;font-weight:600;font-variant-numeric:tabular-nums;margin-top:6px}.result-metrics small{font-size:11px;color:#9aafcd}.aux-result{font-size:12px;text-align:center;color:#b8c8e0;min-height:20px;margin:12px 0}.result-actions{display:flex;gap:8px;justify-content:center;margin-top:auto}.result-actions button{background:#ffffff0d;border:1px solid #ffffff25;color:white;border-radius:7px;font-size:12px;min-height:39px;padding:7px 14px}.result-actions button:hover:not(:disabled){background:#ffffff20}.result-footnote{text-align:center;font-size:10px;color:#9aaecb;margin:18px 0 0}.result-footnote span{margin-right:5px}.field-error{display:block;color:#bb3346;font-size:12px;line-height:1.5;margin-top:5px}.field-error:empty{display:none}.planning{margin-top:44px}.section-top{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}h2{font-size:29px;font-weight:750;margin:10px 0 0}.export-actions{display:flex;gap:8px}.small-button{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:9px 13px;font-size:12px;min-height:40px}.planning-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}.chart-card,.projection-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px}h3{font-size:17px;letter-spacing:-.4px;margin:0 0 9px}.card-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.card-heading span{font-size:10px;color:var(--accent);background:var(--soft);padding:3px 8px;border-radius:4px}.pace-chart{height:150px;margin:20px 0 5px;display:flex;align-items:flex-end;gap:5px;border-bottom:1px solid var(--line)}.chart-bar{flex:1;min-width:2px;background:#4d78f5;border-radius:4px 4px 0 0;position:relative}.chart-bar:nth-child(2n){background:#2c5de0}.chart-bar:hover{background:#86a5ff}.timeline-title{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px;color:var(--muted);margin-top:25px}.timeline-title span{letter-spacing:0}.timeline{display:flex;justify-content:space-between;position:relative;margin-top:18px;gap:8px}.timeline:before{content:'';position:absolute;top:4px;left:12px;right:12px;height:1px;background:var(--line)}.checkpoint{position:relative;font-size:10px;text-align:center;z-index:1}.checkpoint:before{content:'';display:block;width:8px;height:8px;background:var(--accent);border-radius:50%;margin:0 auto 9px}.checkpoint strong{display:block;font-size:12px}.checkpoint span{color:var(--muted)}.projection-row{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px solid var(--line);font-size:13px}.projection-row strong{font-variant-numeric:tabular-nums;font-weight:650}.projection-note{font-size:11px;color:var(--muted);line-height:1.6;margin:14px 0 0}.table-wrap{border:1px solid var(--line);border-radius:10px;margin-top:20px;overflow:auto;max-height:440px;background:var(--surface)}table{border-collapse:collapse;width:100%;font-size:13px;white-space:nowrap;text-align:right}th,td{padding:13px 16px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}th{background:var(--soft);color:var(--muted);font-size:11px;font-weight:650;position:sticky;top:0}th:first-child,td:first-child{text-align:left}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:var(--bg)}.conversion-detail{border:1px solid var(--line);border-radius:10px;padding:15px 20px;margin-top:20px;background:var(--surface)}.conversion-detail summary{font-weight:600;font-size:14px}.conversion-detail summary:after{content:'+';float:right}.conversion-detail[open] summary{margin-bottom:16px}.conversion-detail label{font-size:14px}.conversion-detail input{display:block;width:100%;accent-color:var(--accent)}.explorer-result{display:flex;gap:20px;flex-wrap:wrap;font-variant-numeric:tabular-nums;font-size:14px}.explain{display:grid;grid-template-columns:1fr 1.45fr;gap:70px;padding:66px 0 40px;border-bottom:1px solid var(--line)}.explain-intro h2{font-size:34px;line-height:1.3;margin:16px 0}.explain-intro p{color:var(--muted);font-size:14px;max-width:295px}.formula-list article{display:flex;gap:20px;padding:0 0 24px;margin-bottom:22px;border-bottom:1px solid var(--line)}.formula-list article:last-child{border:0;margin-bottom:0;padding-bottom:0}.formula-number{font-family:'Manrope',sans-serif;font-size:12px;color:var(--accent);background:var(--soft);height:30px;min-width:30px;display:grid;place-items:center;border-radius:7px}.formula-list h3{font-size:15px;margin:3px 0 6px}.formula-list p{font-size:12px;color:var(--muted);margin:5px 0}.formula-list .formula{font-family:'Manrope',sans-serif;font-size:17px;color:var(--text);font-weight:650;letter-spacing:-.3px}.strategy-guide{display:grid;grid-template-columns:repeat(3,1fr);gap:38px;padding:35px 0 45px;border-bottom:1px solid var(--line)}.strategy-guide h3{font-size:15px;margin-top:12px}.strategy-guide p{font-size:13px;color:var(--muted);margin:0}.mini-line{display:block;width:33px;height:12px;border-top:3px solid var(--accent)}.mini-line.negative{transform:rotate(-15deg)}.mini-line.positive{transform:rotate(15deg)}.faq{display:grid;grid-template-columns:1fr 1.45fr;gap:70px;padding:48px 0 60px}.faq details{border-bottom:1px solid var(--line);padding:15px 0}.faq details:first-child{padding-top:0}.faq summary{font-size:14px;font-weight:600;padding-right:24px;position:relative}.faq summary:after{content:'+';position:absolute;right:0;font-size:18px;color:var(--muted)}.faq details[open] summary:after{content:'−'}.faq details p{font-size:14px;color:var(--muted);margin:12px 0 2px}.faq h2{margin-top:15px}footer{max-width:1120px;margin:auto;padding:25px 24px 35px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:11px;color:var(--muted)}.footer-brand{font-weight:750;color:var(--text);letter-spacing:.5px}.footer-brand span{font-weight:400;font-size:9px}footer p{margin:0}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--surface);padding:12px 22px;border-radius:9px;box-shadow:0 8px 30px #0002;font-size:14px;z-index:10;max-width:90vw}.notice{padding:20px;background:var(--soft)}
html[data-theme=dark]{--bg:#0d1728;--surface:#17253a;--text:#e4ebf7;--muted:#a4b3c9;--line:#2a3a52;--accent:#8aaaff;--soft:#233550;--input:#132136;--navy:#0b1424;color-scheme:dark}html[data-theme=dark] .brand-mark{background:#315dd6}html[data-theme=dark] .field-error{color:#ff9ca7}
@media(min-width:1300px){.intro{padding-top:50px}.workspace{min-height:532px}}@media(max-width:800px){.header{padding:0 24px;height:84px}.header nav{gap:20px}.workspace{grid-template-columns:1fr 1fr}.input-panel,.result-panel{padding-left:22px;padding-right:22px}.panel-heading{flex-wrap:wrap;gap:3px}.result-badge{font-size:8px}.planning-grid{grid-template-columns:1fr}.explain,.faq{gap:32px}.presets{gap:5px}.presets button{padding:4px 8px}.big-result{font-size:60px}.result-actions button{padding:8px;font-size:11px}}@media(max-width:600px){main{padding:0 18px}.header{padding:0 18px;height:76px;gap:12px}.brand{font-size:16px}.brand-mark{width:36px;height:36px;border-radius:10px}.brand small{font-size:8px}.header nav{gap:15px}.header nav a{font-size:12px}.header nav a:nth-child(2){display:none}.theme-button{width:34px;height:34px;flex-shrink:0}.intro{padding:30px 0 24px}h1{font-size:35px;letter-spacing:-1.5px}.eyebrow{font-size:10px}.intro p{font-size:14px}.desktop-break{display:none}.workspace{grid-template-columns:1fr}.input-panel{padding:20px 22px 0}.mode-tabs{margin:13px 0 20px}.result-panel{padding:24px}.result-panel .panel-heading{flex-wrap:nowrap}.result-main{margin-top:24px;margin-bottom:20px}.big-result{font-size:73px}.result-metrics{padding:18px 0}.result-actions button{font-size:12px;padding:8px 13px;min-height:44px}.presets button{min-height:37px;flex:1}.text-button{min-height:44px}.explain{grid-template-columns:1fr;gap:26px;padding-top:43px}.explain-intro h2 br{display:none}.explain-intro h2{font-size:29px}.explain-intro p{max-width:none}.strategy-guide{grid-template-columns:1fr;gap:25px}.strategy-guide article{padding-left:50px;position:relative}.mini-line{position:absolute;left:0;top:22px}.faq{grid-template-columns:1fr;gap:24px;padding-top:35px}.faq details{padding:18px 0}.faq summary{font-size:15px}footer{padding:24px 18px;flex-wrap:wrap}footer p{display:none}.section-top{align-items:start;flex-direction:column;gap:16px}h2{font-size:26px}.chart-card,.projection-card{padding:18px}.time-inputs input{height:55px}.small-button{min-height:44px}.export-actions{width:100%}.export-actions button{flex:1}.result-main p{min-height:0}.form-bottom{font-size:10px}.pace-inputs{grid-template-columns:1fr 10px 1fr 100px;gap:4px}.timeline{gap:4px}.checkpoint strong{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{body{background:white!important;color:black!important;font-size:11px}.header,.intro,.input-panel,.result-actions,.result-footnote,.export-actions,.explain,.faq,.strategy-guide,footer,.conversion-detail,.toast{display:none!important}main{max-width:none;padding:0}.workspace{display:block;border:0;box-shadow:none}.result-panel{background:white;color:black;padding:0}.result-panel *{color:black!important}.result-main{margin:10px}.big-result{font-size:40px}.result-metrics{padding:8px;border-color:#ccc}.planning{margin-top:20px}.planning-grid{grid-template-columns:1.5fr 1fr}.chart-card,.projection-card{padding:12px;break-inside:avoid}.table-wrap{max-height:none;overflow:visible}th{position:static}th,td{padding:7px}.hint{color:#444}.result-badge{display:none}.chart-bar{print-color-adjust:exact;-webkit-print-color-adjust:exact}}