/* The four requested chromatic colours; neutral ink is used for AA-readable text. */
:root{--fe-dark:#00F7FF;--fe-light:#B0FFFA;--fe-accent:#FF0087;--fe-bg:#FF7DB0;--fe-ink:#000;font-size:16px}*{box-sizing:border-box}.fe-site{margin:0;background:var(--fe-bg);color:var(--fe-ink);font:400 16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow-wrap:anywhere}.fe-site :where(h1,h2,h3,p,ul,ol){margin-top:0}.fe-site p{margin-bottom:20px}.fe-site a{color:inherit;text-underline-offset:4px}.fe-site a:hover{text-decoration-thickness:2px}.fe-site button,.fe-site input,.fe-site select,.fe-site textarea{font:inherit;color:var(--fe-ink)}.fe-site button,.fe-site summary{cursor:pointer}.fe-site button:disabled{cursor:not-allowed;opacity:.6}.fe-site :focus-visible{outline:3px solid var(--fe-ink);outline-offset:4px}.fe-header :focus-visible,.fe-hero :focus-visible,.fe-footer :focus-visible,.fe-aside :focus-visible,.fe-band :focus-visible{outline-color:var(--fe-dark)}.fe-site [hidden]{display:none!important}.fe-wrap{width:min(1160px,calc(100% - 64px));margin-inline:auto}.fe-skip{position:absolute;left:16px;top:-100px;background:var(--fe-dark);color:var(--fe-ink);z-index:100;padding:12px}.fe-skip:focus{top:12px}.fe-header{background:var(--fe-ink);color:var(--fe-light);border-bottom:1px solid var(--fe-light)}.fe-header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:108px}.fe-logo{font-size:28px;font-weight:850;letter-spacing:-1.3px;text-decoration:none;line-height:1.1;display:inline-block;color:var(--fe-dark)!important}.fe-logo>span{color:var(--fe-accent);margin-left:5px}.fe-logo small{display:block;color:var(--fe-light);font-size:12px;font-weight:500;letter-spacing:1px;margin-top:9px}.fe-nav{display:flex;gap:24px;align-items:center;font-size:14px}.fe-nav>a{padding:10px 0;text-decoration:none}.fe-nav>a[aria-current]{text-decoration:underline;text-decoration-color:var(--fe-accent);text-decoration-thickness:3px;text-underline-offset:9px}.fe-more{position:relative}.fe-more summary{padding:10px 0;min-height:44px}.fe-dropdown{position:absolute;right:0;top:100%;background:var(--fe-ink);border:1px solid var(--fe-light);min-width:210px;z-index:20;padding:12px}.fe-dropdown a{display:block;padding:8px 12px;min-height:44px;text-decoration:none}.fe-dropdown a:hover{background:var(--fe-light);color:var(--fe-ink)}.fe-menu{display:none;padding:8px 14px;min-height:44px}.fe-hero{background:var(--fe-ink);color:var(--fe-light);padding:72px 0 80px}.fe-hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:64px;align-items:center}.fe-eyebrow{font-size:12px;font-weight:750;letter-spacing:1.8px;margin-bottom:24px!important}.fe-site h1{font-size:clamp(38px,5vw,68px);line-height:1.07;letter-spacing:-2.5px;font-weight:800;margin-bottom:24px}.fe-hero h1{color:var(--fe-dark);font-size:clamp(48px,6vw,80px)}.fe-lead{font-size:20px;line-height:1.6;max-width:700px}.fe-small{font-size:14px}.fe-hero .fe-actions>a:first-child{background:var(--fe-accent);color:var(--fe-ink);padding:14px 20px;text-decoration:none;font-weight:750}.fe-hero .fe-actions>a{min-height:48px;display:inline-flex;align-items:center}.fe-hero .fe-small{margin:24px 0 0}.fe-hero-board{background:var(--fe-bg);color:var(--fe-ink);padding:32px;border-radius:8px;transform:rotate(2deg)}.fe-board-top{display:flex;justify-content:space-between;gap:16px;font-size:12px;font-weight:800;letter-spacing:1px;border-bottom:1px solid var(--fe-ink);padding-bottom:20px}.fe-board-top>span:last-child{font-size:28px;line-height:1}.fe-display-number{font-size:116px;line-height:1;font-weight:800;letter-spacing:-8px;margin:32px 0 12px!important}.fe-display-number span{font-size:48px;letter-spacing:-2px}.fe-progress{height:14px;background:var(--fe-ink);margin:24px 0 16px}.fe-progress>span{display:block;height:100%;width:85%;background:var(--fe-dark)}.fe-board-bottom{border-top:1px solid var(--fe-ink);margin-top:24px;padding-top:20px;display:grid;gap:4px}.fe-board-bottom span{font-size:11px;letter-spacing:1.5px}.fe-board-bottom strong{font-size:23px;letter-spacing:-.7px}.fe-tools-section{padding-block:72px}.fe-site h2{font-size:32px;line-height:1.2;letter-spacing:-.9px;margin-bottom:20px;font-weight:780}.fe-tools-section>h2,.fe-reading>h2,.fe-prose>h2,.fe-workbench>h2,.fe-limit>h2{display:table;background:var(--fe-ink);color:var(--fe-dark);padding:8px 12px;box-decoration-break:clone}.fe-filters{display:flex;gap:8px;flex-wrap:wrap;margin:28px 0 12px}.fe-filters button{min-height:44px;border:1px solid var(--fe-ink);background:transparent;padding:7px 18px;font-size:14px;font-weight:650}.fe-filters button[aria-pressed=true]{background:var(--fe-ink);color:var(--fe-dark)}.fe-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px}.fe-card{background:var(--fe-light);border:1px solid var(--fe-ink);border-radius:8px;padding:28px;display:flex;flex-direction:column;align-items:flex-start;min-height:310px}.fe-card-top{width:100%;display:flex;justify-content:space-between;font-size:12px;letter-spacing:1px;text-transform:uppercase;border-bottom:1px solid var(--fe-ink);padding-bottom:18px;margin-bottom:24px}.fe-card h3{background:var(--fe-ink);color:var(--fe-dark);padding:8px 10px;line-height:1.25;font-size:23px;letter-spacing:-.6px;margin-bottom:16px}.fe-card h3 a{text-decoration:none}.fe-card p{font-size:15px}.fe-card>a{margin-top:auto;padding:8px 0;font-weight:750;display:flex;width:100%;justify-content:space-between}.fe-band{background:var(--fe-ink);color:var(--fe-light);padding:64px 0}.fe-band h2{font-size:44px;color:var(--fe-dark)}.fe-band-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.fe-band ol{list-style:none;padding:0;margin:0}.fe-band li{display:grid;border-bottom:1px solid var(--fe-light);padding:14px 0;font-size:20px}.fe-band li span{font-size:11px;letter-spacing:1.5px;color:var(--fe-dark);margin-bottom:4px}.fe-limit{padding-block:64px}.fe-limit p{max-width:650px}.fe-page-head{background:var(--fe-ink);color:var(--fe-light);padding:56px 0}.fe-page-head h1{color:var(--fe-dark);font-size:clamp(36px,4vw,56px);max-width:900px}.fe-page-head .fe-lead{margin-bottom:0}.fe-tagline{font-size:14px;margin:22px 0 0!important;color:var(--fe-dark)}.fe-tool-layout{display:grid;grid-template-columns:minmax(0,2.4fr) minmax(0,1fr);gap:32px;padding-block:48px;align-items:start}.fe-workbench{background:var(--fe-light);border:1px solid var(--fe-ink);border-radius:8px;padding:32px;min-width:0}.fe-workbench h2{font-size:28px}.fe-workbench>p{font-size:14px}.fe-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.fe-field{min-width:0}.fe-field label{display:block;font-size:14px;font-weight:700;line-height:1.5;margin-bottom:8px}.fe-field label span{font-weight:400}.fe-field input,.fe-field textarea,.fe-site select{width:100%;max-width:100%;border:1px solid var(--fe-ink);background:transparent;border-radius:4px;padding:12px;min-height:48px;box-shadow:none}.fe-field textarea{resize:vertical}.fe-field input::placeholder,.fe-field textarea::placeholder{color:var(--fe-ink);opacity:.7}.fe-wide{grid-column:1/-1}.fe-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:24px}.fe-button{display:inline-flex;justify-content:center;align-items:center;gap:16px;background:var(--fe-ink);border:1px solid var(--fe-ink);color:var(--fe-dark)!important;min-height:48px;padding:12px 18px;font-weight:700;line-height:1.4;border-radius:4px;text-decoration:none}.fe-button:hover{background:var(--fe-accent);color:var(--fe-ink)!important}.fe-secondary{background:transparent;color:var(--fe-ink)!important;border:1px solid currentColor}.fe-secondary:hover{background:var(--fe-bg)}.fe-text-button{background:none;border:0;text-decoration:underline;min-height:44px;padding:8px}.fe-error{border-left:4px solid var(--fe-ink);padding:12px;margin:20px 0 0!important;font-weight:700;background:var(--fe-bg)}.fe-aside{background:var(--fe-ink);color:var(--fe-light);padding:28px;border-radius:8px}.fe-aside h2{color:var(--fe-dark);font-size:28px;line-height:1.2}.fe-aside p{font-size:14px}.fe-number{font-size:64px;line-height:1;color:var(--fe-accent);display:block;letter-spacing:-3px;margin-bottom:28px;font-weight:800}.fe-notice{border-left:5px solid var(--fe-accent);padding:16px 20px;background:var(--fe-ink);color:var(--fe-light)}.fe-notice strong{color:var(--fe-dark)}.fe-aside .fe-notice{border:1px solid var(--fe-accent);border-left-width:5px;padding:12px}.fe-aside>a{font-size:14px}.fe-reading{padding:0 0 64px}.fe-reading>p{max-width:780px}.fe-reading>h2{margin-top:32px;font-size:28px}.fe-faq{max-width:840px;margin-block:24px}.fe-faq details{border-top:1px solid var(--fe-ink);padding:0}.fe-faq details:last-child{border-bottom:1px solid var(--fe-ink)}.fe-faq summary{font-weight:700;padding:18px 8px;min-height:52px}.fe-faq details p{padding:0 8px 16px;margin:0}.fe-faq details[open]{background:var(--fe-light)}.fe-prose{max-width:800px;padding-block:48px 64px}.fe-prose>h2{font-size:26px;margin-top:36px}.fe-prose>h2:first-child{margin-top:0}.fe-prose li{padding:4px 0}.fe-result{margin-top:28px;padding-top:28px;border-top:2px solid var(--fe-ink)}.fe-result h3{font-size:23px;margin-bottom:12px;line-height:1.3;background:var(--fe-ink);color:var(--fe-dark);padding:8px 12px;display:table}.fe-result .fe-big-result{font-size:48px;font-weight:850;line-height:1.1;letter-spacing:-2px;margin:16px 0}.fe-result p{white-space:pre-wrap}.fe-result .fe-method{font-size:14px;border-top:1px solid var(--fe-ink);padding-top:16px}.fe-result>.fe-small{margin-top:16px;margin-bottom:0}.fe-result .fe-output-note{font-size:14px;font-weight:700}.fe-table-wrap{width:100%;overflow-x:auto;grid-column:1/-1}.fe-tracker{width:100%;border-collapse:collapse;min-width:470px;font-size:14px}.fe-tracker caption{text-align:left;font-weight:700;margin-bottom:12px}.fe-tracker th,.fe-tracker td{text-align:left;border-bottom:1px solid var(--fe-ink);padding:8px 6px;vertical-align:middle}.fe-tracker input,.fe-tracker select{width:100%;min-height:44px;background:transparent;border:1px solid var(--fe-ink);padding:7px;border-radius:3px;font:inherit}.fe-tracker input{min-width:135px}.fe-tracker button{min-height:44px;min-width:44px;border:1px solid var(--fe-ink);background:none;padding:6px}.fe-form[data-tool="2"] .fe-fields{display:block}.fe-form[data-tool="2"] #fe-add-row{margin-top:16px}.fe-footer{background:var(--fe-ink);color:var(--fe-light);padding:56px 0 24px}.fe-footer-grid{display:grid;grid-template-columns:1.1fr 1.4fr .8fr .9fr;gap:36px}.fe-footer h2{font-size:15px;letter-spacing:0;color:var(--fe-dark);margin-bottom:18px}.fe-footer nav{display:flex;flex-direction:column;gap:9px}.fe-footer nav a{font-size:13px;text-decoration:none;line-height:1.6;display:inline-block;padding-block:3px}.fe-footer nav a:hover{text-decoration:underline}.fe-footer .fe-logo{font-size:25px;margin-bottom:22px}.fe-footer p{font-size:14px}.fe-footer-bottom{display:flex;justify-content:space-between;gap:24px;align-items:center;border-top:1px solid var(--fe-light);margin-top:44px;padding-top:24px;font-size:12px}.fe-footer-bottom strong{font-weight:500}.fe-noscript{padding:20px;background:var(--fe-dark);color:var(--fe-ink)}.fe-preview-note{background:var(--fe-light);font-size:12px;text-align:center;padding:6px 16px;border-bottom:1px solid var(--fe-ink)}
@media(min-width:1500px){.fe-hero{padding-block:88px}}@media(max-width:1000px){.fe-hero-grid{gap:32px}.fe-nav{gap:16px}.fe-card{padding:22px}.fe-tool-layout{grid-template-columns:minmax(0,1fr) 250px;gap:20px}.fe-workbench{padding:24px}.fe-fields{gap:16px}.fe-footer-grid{gap:24px}.fe-band-grid{gap:48px}}
@media(max-width:780px){.fe-wrap{width:calc(100% - 40px)}.fe-header-inner{min-height:90px;flex-wrap:wrap;gap:0;padding-block:16px}.fe-logo{font-size:26px}.fe-menu{display:block;color:var(--fe-dark)!important;background:transparent;border:1px solid var(--fe-dark);border-radius:4px}.fe-menu:hover{background:var(--fe-dark);color:var(--fe-ink)!important}.fe-nav{display:none;width:100%;flex-direction:column;align-items:stretch;padding-top:20px;gap:4px}.fe-nav.is-open{display:flex}.fe-nav>a{padding:10px 8px}.fe-more summary{padding:10px 8px}.fe-dropdown{position:static;border:0;border-left:1px solid var(--fe-dark);margin-left:8px;padding:0 0 0 8px}.fe-hero{padding:44px 0 52px}.fe-hero-grid{grid-template-columns:1fr;gap:36px}.fe-hero h1{font-size:60px}.fe-hero-board{transform:none;max-width:520px;padding:28px}.fe-display-number{font-size:94px;margin-top:24px!important}.fe-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.fe-card{min-height:320px}.fe-card h3{font-size:21px}.fe-band-grid{grid-template-columns:1fr;gap:32px}.fe-tool-layout{grid-template-columns:1fr;padding-block:28px}.fe-aside{display:block}.fe-aside .fe-number{float:right;margin:0 0 20px 20px}.fe-aside p{max-width:550px}.fe-aside h2 br{display:none}.fe-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.fe-footer-bottom{align-items:start}.fe-site h2{font-size:28px}.fe-page-head{padding:40px 0}.fe-page-head h1{letter-spacing:-1.5px}.fe-lead{font-size:18px}.fe-tools-section{padding-block:44px}}
@media(max-width:480px){.fe-wrap{width:calc(100% - 32px)}.fe-hero h1{font-size:52px}.fe-eyebrow{font-size:10px;letter-spacing:1.3px}.fe-hero .fe-actions{align-items:flex-start;flex-direction:column;gap:8px}.fe-tool-grid{grid-template-columns:1fr}.fe-card{min-height:0;padding:24px}.fe-card h3{font-size:25px}.fe-card p{font-size:16px}.fe-card>a{margin-top:4px}.fe-card-top{margin-bottom:20px}.fe-fields{grid-template-columns:1fr}.fe-workbench{padding:22px 18px}.fe-workbench>h2{font-size:25px}.fe-reading>h2{font-size:25px}.fe-band h2{font-size:36px}.fe-footer-grid{grid-template-columns:1fr 1fr;column-gap:20px}.fe-footer-grid>div:first-child{grid-column:1/-1}.fe-footer-grid>div:nth-child(2){grid-column:1/-1}.fe-footer nav a{font-size:14px;padding-block:5px}.fe-footer-bottom{flex-direction:column;gap:12px}.fe-prose{padding-top:32px}.fe-page-head h1{font-size:37px}.fe-filters button{padding-inline:12px}.fe-result .fe-big-result{font-size:42px}.fe-actions{gap:10px}.fe-output-actions .fe-button{width:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{@page{margin:16mm}.fe-site{background:#fff!important;color:#000!important;font-size:11pt;line-height:1.5}.fe-site *{box-shadow:none!important;text-shadow:none!important;transform:none!important}.fe-header,.fe-footer,.fe-preview-note,.fe-skip,.fe-form,.fe-aside,.fe-output-actions,.fe-workbench>h2,.fe-workbench>p,.fe-reading,.fe-result>.fe-small,.fe-page-head .fe-eyebrow,.fe-tagline,.fe-page-head .fe-lead{display:none!important}.fe-wrap{width:100%;max-width:none}.fe-page-head{background:#fff!important;color:#000!important;padding:0 0 12px}.fe-page-head h1{font-size:22pt;color:#000!important;letter-spacing:0}.fe-tool-layout{display:block;padding:0}.fe-workbench{background:#fff!important;border:0;padding:0}.fe-result{border:0;margin:0;padding:0}.fe-result h3{background:#fff!important;color:#000!important;padding:0}.fe-result .fe-big-result{font-size:30pt}.fe-result p{break-inside:avoid}.fe-result .fe-method{font-size:10pt}.fe-result table{border-collapse:collapse;width:100%}.fe-result th,.fe-result td{border:1px solid #000;padding:5px;text-align:left}.fe-result tr{break-inside:avoid}.fe-prose{max-width:none;padding:0}.fe-prose h2{background:#fff!important;color:#000!important;padding:0}body:not(.fe-has-result) .fe-workbench:after{content:"Calculate a result before printing this tool."}.fe-result .fe-print-log{display:table!important}}
.fe-print-log{display:none}

.fe-controls{border:0;margin:0;padding:0;min-width:0}

.fe-hero .fe-actions>a{gap:8px}
/* Protect local controls from theme-specific hover/focus colours. */
.fe-site button{box-shadow:none;text-transform:none;letter-spacing:normal}
.fe-site .fe-button,.fe-site .fe-button:focus,.fe-site .fe-button:active{background:var(--fe-ink);color:var(--fe-dark)!important;border-color:var(--fe-ink)}
.fe-site .fe-button:hover{background:var(--fe-accent);color:var(--fe-ink)!important}
.fe-site .fe-secondary,.fe-site .fe-secondary:focus,.fe-site .fe-secondary:active{background:transparent;color:var(--fe-ink)!important}
.fe-site .fe-secondary:hover{background:var(--fe-bg);color:var(--fe-ink)!important}
.fe-site .fe-text-button,.fe-site .fe-text-button:hover,.fe-site .fe-text-button:focus,.fe-site .fe-tracker button,.fe-site .fe-tracker button:focus{background:transparent;color:var(--fe-ink)}
.fe-site .fe-filters button{background:transparent;color:var(--fe-ink)}
.fe-site .fe-filters button[aria-pressed=true]{background:var(--fe-ink);color:var(--fe-dark)}
.fe-site .fe-field input:focus,.fe-site .fe-field textarea:focus,.fe-site .fe-tracker input:focus,.fe-site .fe-tracker select:focus{border-color:var(--fe-ink);box-shadow:none}
@media(max-width:780px){.fe-site .fe-menu,.fe-site .fe-menu:focus{background:transparent;color:var(--fe-dark)!important;border-color:var(--fe-dark)}.fe-site .fe-menu:hover{background:var(--fe-dark);color:var(--fe-ink)!important}}
.fe-site button,.fe-site input,.fe-site textarea,.fe-site select,.fe-site a{transition:none}

/* All-tools disclosure: six direct links plus the full directory. */
.fe-tools-menu>summary{padding-inline:12px;border:1px solid transparent;border-radius:4px}
.fe-tools-menu[open]>summary{border-color:var(--fe-accent);color:var(--fe-dark)}
.fe-tools-dropdown{width:440px;max-width:calc(100vw - 32px);border-radius:8px;padding:12px;margin-top:8px}
.fe-tools-dropdown nav{display:flex;flex-direction:column;gap:0}
.fe-tools-dropdown a{font-size:15px;line-height:1.5;padding:12px 14px;min-height:48px}
.fe-tools-dropdown a[aria-current=page]{text-decoration:underline;text-decoration-color:var(--fe-accent);text-decoration-thickness:2px}
.fe-tools-dropdown .fe-view-all{border-top:1px solid var(--fe-light);margin-top:8px;padding-top:16px;font-weight:750;display:flex;gap:8px;align-items:center}
@media(max-width:780px){.fe-tools-menu>summary{padding:10px 8px}.fe-tools-dropdown{width:auto;max-width:none;margin-top:8px;margin-left:8px;border-radius:0;padding:0 0 0 8px}.fe-tools-dropdown a{padding:12px 8px}.fe-tools-dropdown .fe-view-all{margin-right:8px}}