:root{color-scheme:dark;--bg:#101722;--panel:#18212e;--panel-alt:#1d2836;--line:#354353;--text:#f3f6fa;--muted:#acbacb;--mint:#95f3cd;--danger:#ffb8b8;--yellow:#ffdf9a;--radius:18px;font-family:Segoe UI,Arial,sans-serif;font-size:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--mint);text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,summary,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--mint);outline-offset:4px}input,select,textarea{color:var(--text);background:#111b27;border:1px solid #5a6a7d;border-radius:8px;min-height:46px;max-width:100%}input{width:100%;padding:10px 12px;font-size:17px;font-variant-numeric:tabular-nums}select{padding:8px 10px;cursor:pointer}textarea{width:100%;padding:12px;line-height:1.5;font-size:14px}input[aria-invalid=true]{border:2px solid var(--danger)}input:focus,select:focus,textarea:focus{border-color:var(--mint)}fieldset{border:0;margin:0;padding:0;min-width:0}legend{font-weight:600;font-size:14px;margin:0 0 10px;padding:0}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.2;letter-spacing:-.03em}h1{font-size:clamp(36px,4.4vw,55px);font-weight:650;margin-bottom:20px}h2{font-size:24px;font-weight:600}h3{font-size:17px}p{margin-bottom:16px}[hidden]{display:none!important}.wrap{width:min(1160px,calc(100% - 64px));margin-inline:auto}.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-link{position:fixed;top:10px;left:10px;padding:12px;background:var(--mint);color:var(--bg);z-index:10;transform:translateY(-180%);border-radius:6px}.skip-link:focus{transform:translateY(0)}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:27px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:7px;font-size:20px;letter-spacing:-.04em;text-decoration:none;color:var(--text);font-weight:650;white-space:nowrap}.brand>span:not(.brand-icon){font-weight:400;color:var(--muted);margin-left:-4px}.brand-icon{width:25px;height:25px;border:3px solid var(--mint);border-radius:50%;display:inline-grid;place-items:center;margin-right:5px}.brand-icon:before{content:"";display:block;width:8px;height:8px;border-radius:50%;background:var(--mint)}nav{display:flex;align-items:center;gap:24px}nav a{font-size:14px;text-decoration:none;color:var(--muted);padding-block:6px}nav a:hover{color:var(--mint)}.hero{display:flex;align-items:center;justify-content:space-between;gap:36px;padding-block:45px 35px}.eyebrow{font-size:10px;letter-spacing:.15em;line-height:1.7;font-weight:700;margin-bottom:14px;color:var(--mint)}.muted{color:var(--muted)}.live-dot{display:inline-block;width:6px;height:6px;background:var(--mint);border-radius:50%;margin-right:6px;vertical-align:1px}.hero h1 span{color:var(--mint)}.hero-description{color:var(--muted);font-size:16px;max-width:580px;margin-bottom:0}.privacy-chip{display:flex;gap:12px;align-items:center;flex-shrink:0;max-width:285px}.privacy-chip>span{display:grid;place-items:center;border-radius:50%;background:#213930;color:var(--mint);font-size:20px;width:37px;height:37px;flex-shrink:0}.privacy-chip strong{display:block;font-size:13px;font-weight:600}.privacy-chip small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-width:0}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:24px}.panel-heading .eyebrow{margin-bottom:6px}.panel-heading h2{font-size:21px;margin-bottom:0}.text-button{border:0;background:none;color:var(--mint);font-size:13px;font-weight:600;min-height:44px;padding:6px}.text-button:hover{text-decoration:underline}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mode-option{display:flex;align-items:center;gap:10px;padding:13px 11px;border:1px solid #506075;border-radius:10px;cursor:pointer;min-width:0}.mode-option:has(input:checked){border-color:var(--mint);background:#23382f}.mode-option input{width:16px;height:16px;min-height:0;margin:0;accent-color:var(--mint);flex-shrink:0}.mode-option strong{font-size:13px;display:block;font-weight:600}.mode-option small{font-size:10px;color:var(--muted);display:block;margin-top:2px}.source-fields{margin-top:22px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{min-width:0}.field.full{grid-column:1/-1}.field>label{display:block;font-size:13px;font-weight:600;margin-bottom:7px}.input-unit{display:flex;align-items:stretch;position:relative;min-width:0}.input-unit input{border-radius:8px 0 0 8px;min-width:0}.input-unit select{border-radius:0 8px 8px 0;border-left:0;min-width:70px}.input-unit.fixed input{border-radius:8px;padding-right:62px}.input-unit.fixed>span{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:12px;pointer-events:none}.help{color:var(--muted);font-size:11px;line-height:1.6;margin-top:9px;margin-bottom:0}.section-heading{display:flex;align-items:center;gap:9px;border-top:1px solid var(--line);padding-top:19px;margin-top:22px;margin-bottom:15px}.section-heading>span{color:var(--mint);font-size:18px;line-height:1}.section-heading h3{font-size:14px;letter-spacing:0;margin:0;font-weight:600}.disk-heading select{margin-left:auto;font-size:12px;min-height:35px;min-width:75px;padding:3px 9px}.decimal-help{font-size:10px;color:#a7b5c6}.form-actions{display:flex;gap:15px;align-items:center;margin-top:22px}.primary-button{flex:1;min-height:49px;border:1px solid var(--mint);border-radius:8px;background:var(--mint);color:#101f19;font-size:14px;font-weight:700;padding:11px 16px;display:flex;justify-content:space-between;align-items:center}.primary-button:hover{background:#b8f9df}.form-actions .text-button{padding-inline:9px}.error-box,.notice{padding:13px 15px;border-radius:8px;font-size:12px;line-height:1.6;margin-block:16px 0}.error-box{background:#36262b;border:1px solid #976166;color:var(--danger)}.error-box p{margin-bottom:0;margin-top:4px}.notice{background:#332f25;border:1px solid #806c41;color:var(--yellow)}
.output{background:linear-gradient(160deg,#1b2c31 0,var(--panel) 45%);min-height:660px}.output-icon{color:var(--mint);font-size:23px}.result-meta{display:flex;gap:10px;justify-content:space-between;align-items:start;border-bottom:1px solid var(--line);padding-block:4px 16px}.result-meta .eyebrow{font-size:8px;letter-spacing:.09em;margin:0;max-width:185px}.status-badge{font-size:10px;border:1px solid #527c68;background:#213c30;color:var(--mint);border-radius:30px;padding:3px 9px;white-space:nowrap;flex-shrink:0}[data-fit=false] .status-badge{border-color:#96646b;color:var(--danger);background:#38242b}.main-result{padding-block:25px 26px}.main-result>p:first-child{color:var(--muted);font-size:13px;margin-bottom:4px}.main-result>strong{display:block;color:var(--mint);font-size:clamp(37px,3.5vw,48px);font-weight:600;line-height:1.25;letter-spacing:-.04em;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.main-result .secondary{color:var(--text);font-size:12px;margin-block:9px 0}.base-size{color:var(--muted);font-size:11px;margin-block:4px 0}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 16px;padding-block:22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.stat{min-width:0}.stat>span{display:block;color:var(--muted);font-size:11px;margin-bottom:5px}.stat strong{display:block;font-size:19px;font-weight:600;letter-spacing:-.025em;line-height:1.3;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.stat small{color:var(--muted);display:block;font-size:10px;line-height:1.6;margin-top:5px}.budget-visual{margin-block:22px}.budget-visual>div{display:flex;justify-content:space-between;gap:14px;align-items:center;font-size:10px;margin-bottom:9px}.budget-visual strong{font-weight:500}.budget-visual span{color:var(--muted);text-align:right}meter{display:block;width:100%;height:12px;background:#0f1824;border-radius:6px;border:0}meter::-webkit-meter-bar{border:0;border-radius:6px;background:#0f1824}meter::-webkit-meter-optimum-value{background:var(--mint);border-radius:6px}meter::-webkit-meter-suboptimum-value{background:var(--yellow);border-radius:6px}meter::-webkit-meter-even-less-good-value{background:var(--danger);border-radius:6px}meter::-moz-meter-bar{background:var(--mint);border-radius:6px}.source-note{color:var(--muted);font-size:11px;line-height:1.7;margin-bottom:22px}.copy-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.copy-row .help{margin:0}.secondary-button{border:1px solid #607185;border-radius:8px;background:#1d2937;color:var(--text);min-height:44px;padding:9px 15px;font-size:12px;font-weight:600}.secondary-button:hover{border-color:var(--mint)}.result-disclaimer{font-size:10px;color:var(--muted);margin-top:16px;margin-bottom:0;line-height:1.7}#copy-fallback{margin-top:16px}#copy-fallback label{display:block;font-size:12px;margin-bottom:8px}#results[data-stale=true] .main-result,#results[data-stale=true] .stat-grid{opacity:.55}.empty-state{text-align:center;max-width:280px;margin:110px auto}.empty-state>span{font-size:44px;color:var(--mint)}.empty-state h3{font-size:20px;margin-block:16px}.empty-state p{color:var(--muted);font-size:14px}
.how-section{padding-top:58px}.section-intro{text-align:center;margin-bottom:30px}.section-intro h2{font-size:27px;margin:0}.section-intro .eyebrow{margin-bottom:9px}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.guide-grid article{padding:23px 5px}.step-number{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.09em;color:var(--mint);border:1px solid #436458;border-radius:7px;padding:4px 8px;margin-bottom:16px}.guide-grid h3{font-size:17px;margin-bottom:12px}.guide-grid p{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:0}.faq-section{display:grid;grid-template-columns:1fr 1.65fr;gap:55px;margin-block:46px 65px;border-top:1px solid var(--line);padding-top:40px}.faq-section h2{font-size:28px;line-height:1.25;margin-bottom:19px}.inline-link{font-size:13px;text-decoration:none}.inline-link:hover{text-decoration:underline}.faq-list details{border-bottom:1px solid var(--line);padding-block:14px}.faq-list details:first-child{padding-top:0}summary{cursor:pointer;font-size:13px;font-weight:600;padding:4px 1px;line-height:1.6}.faq-list details p{font-size:12px;color:var(--muted);line-height:1.8;margin-top:13px;margin-bottom:8px}.site-footer{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:25px;padding-block:26px 35px}.site-footer .brand{font-size:16px}.site-footer p{font-size:10px;color:var(--muted);margin-block:4px 0}.site-footer small{font-size:9px;color:var(--muted)}.site-footer nav{gap:20px}.site-footer nav a{font-size:11px}.prose{max-width:790px;padding-block:50px 65px;overflow-wrap:anywhere}.prose h1{font-size:46px}.prose h2{font-size:22px;margin-top:35px;margin-bottom:14px}.prose .lead{font-size:19px;color:var(--muted)}.prose p,.prose li{font-size:15px;color:#c5d0df;line-height:1.85}.prose .notice{font-size:13px;color:var(--yellow);margin-bottom:28px}.prose code{display:block;padding:12px 15px;background:var(--panel);border:1px solid var(--line);border-radius:8px;font-family:Consolas,monospace;font-size:12px;white-space:normal;overflow-wrap:anywhere}.prose .help{font-size:12px;color:var(--muted)}
@media(min-width:1300px){.wrap{width:1160px}.hero{padding-top:48px}.panel{padding:30px}}
@media(max-width:1000px){.hero{gap:20px}.privacy-chip{max-width:210px}.privacy-chip small{font-size:10px}.panel{padding:23px}.panel-heading h2{font-size:19px}.mode-option{gap:7px;padding:12px 8px}.mode-option strong{font-size:12px}.mode-option small{font-size:9px}.stat strong{font-size:17px}.site-footer{flex-wrap:wrap}.site-footer small{width:100%}.result-meta{flex-wrap:wrap}.result-meta .eyebrow{max-width:none}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.site-header{padding-block:19px;gap:15px}.brand{font-size:18px}.site-header nav{gap:18px}.site-header nav a{font-size:12px}.hero{display:block;padding-block:33px 28px}.hero-description{max-width:560px;font-size:15px}.privacy-chip{margin-top:20px;max-width:none}.privacy-chip small{font-size:11px}.workspace{grid-template-columns:1fr;gap:20px}.panel{padding:25px}.panel-heading h2{font-size:21px}.mode-option{padding:14px 12px;gap:10px}.mode-option strong{font-size:13px}.mode-option small{font-size:10px}.output{min-height:0}.main-result>strong{font-size:48px}.stat strong{font-size:21px}.result-meta{flex-wrap:nowrap}.result-meta .eyebrow{max-width:200px}.guide-grid{gap:15px}.guide-grid h3{font-size:15px}.guide-grid p{font-size:12px}.faq-section{grid-template-columns:1fr;gap:24px;margin-top:32px}.faq-section h2 br{display:none}.site-footer{gap:18px}.prose h1{font-size:39px}}
@media(max-width:480px){.wrap{width:calc(100% - 28px)}.site-header nav{gap:12px}.site-header nav a{font-size:11px}.brand{font-size:16px;gap:5px}.brand-icon{width:21px;height:21px;margin-right:2px;border-width:2px}.hero h1{font-size:37px}.hero-description{font-size:14px}.hero .eyebrow{font-size:9px}.panel{padding:20px}.panel-heading{gap:9px}.panel-heading h2{font-size:18px}.panel-heading .text-button{font-size:11px}.mode-option{padding:12px 8px;gap:7px}.mode-option strong{font-size:11px}.mode-option small{font-size:9px}.field-grid{gap:13px}.field>label{font-size:12px}.input-unit select{min-width:60px;font-size:12px;padding:7px}.input-unit.fixed input{padding-right:50px}.input-unit.fixed>span{font-size:11px;right:10px}.help{font-size:10px}.result-meta{flex-wrap:wrap;gap:8px}.main-result>strong{font-size:43px}.stat strong{font-size:18px}.stat>span{font-size:10px}.stat small{font-size:9px}.budget-visual>div{align-items:start;flex-direction:column;gap:4px}.budget-visual span{text-align:left}.guide-grid{grid-template-columns:1fr;gap:5px}.guide-grid article{padding-block:15px}.guide-grid h3{font-size:17px}.guide-grid p{font-size:13px}.section-intro h2{font-size:24px}.faq-section{margin-block:28px 45px;padding-top:30px}.faq-section h2{font-size:25px}.site-footer nav{flex-wrap:wrap;gap:16px}.site-footer{padding-bottom:25px}.prose{padding-top:32px}.prose h1{font-size:36px}.prose p,.prose li{font-size:14px}.prose .lead{font-size:17px}}
@media(max-width:350px){.site-header{align-items:start}.site-header nav{flex-direction:column;gap:2px;align-items:flex-end}.hero h1{font-size:33px}.panel{padding:17px}.panel-heading h2{font-size:16px}.mode-grid{grid-template-columns:1fr}.mode-option strong{font-size:13px}.mode-option small{font-size:10px}.field-grid{grid-template-columns:1fr}.stat-grid{gap:20px 12px}.stat strong{font-size:16px}.main-result>strong{font-size:38px}.source-choice legend{font-size:13px}.result-meta .eyebrow{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}