/* The existing site's type, colours and maximum 5px corner radius are shared. */
.tools-nav{position:relative;color:var(--muted);font-size:14px}
.tools-nav>summary{display:flex;align-items:center;gap:9px;list-style:none;cursor:pointer;min-height:44px;padding:10px 0;white-space:nowrap}
.tools-nav>summary::-webkit-details-marker{display:none}.tools-nav>summary>span:last-child{font-size:15px;transition:transform .2s}.tools-nav[open]>summary>span:last-child{transform:rotate(180deg)}
.tools-nav[open]>summary,.tools-nav>summary:hover{color:var(--ink)}
.tools-submenu{position:absolute;top:calc(100% + 8px);right:0;min-width:235px;padding:7px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:5px;box-shadow:var(--shadow);z-index:25}
.tools-submenu>a{display:flex;align-items:center;gap:12px;min-height:50px;padding:12px;border-radius:4px;font-size:14px}.tools-submenu>a>span{font-size:20px;color:var(--purple-ink)}.tools-submenu>a:hover{background:var(--lavender)}
.menu-tools{padding-block:12px;border-bottom:1px solid var(--line);font-size:25px;color:var(--ink)}.menu-tools>summary{font-size:25px;letter-spacing:-.04em}.menu-tools .tools-submenu{position:static;box-shadow:none;min-width:0;margin-top:8px;background:var(--soft)}
.calculator-index,.calculator-detail{padding-top:30px;padding-bottom:30px}.calculator-breadcrumb{display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-bottom:48px}.calculator-breadcrumb>a{min-height:32px;display:flex;align-items:center}.calculator-breadcrumb>a:hover{text-decoration:underline;text-underline-offset:4px}
.calculator-heading{display:flex;justify-content:space-between;align-items:center;gap:32px;margin-bottom:40px}.calculator-heading h1,.calculator-detail h1{font-size:clamp(36px,4.4vw,58px);line-height:1.16}.calculator-heading h1>span,.calculator-detail h1>span{color:var(--purple-ink)}.calculator-heading p:not(.section-kicker),.calculator-detail-heading>p:last-child{margin-top:20px;color:var(--muted);font-size:16px;line-height:1.85}.calculator-heading .section-kicker{margin-top:0}
.calculator-count{display:flex;align-items:center;gap:22px;padding:27px 32px;background:var(--lavender);border-radius:5px;flex-shrink:0}.calculator-count strong{font-size:56px;font-weight:550;letter-spacing:-.05em;line-height:1}.calculator-count span{font-size:12px;color:var(--purple-ink);line-height:1.8}
.calculator-toolbar{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:20px;padding:23px 25px;border:1px solid var(--line);border-radius:5px;background:var(--soft);margin-bottom:14px}.calculator-toolbar label,.calculator-field label{display:block;font-size:13px;font-weight:600;margin-bottom:8px}
.calculator-toolbar input,.calculator-toolbar select,.calculator-field input,.calculator-field select,.calculator-field textarea{display:block;width:100%;min-width:0;min-height:48px;padding:12px 14px;font:inherit;font-size:14px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:5px}.calculator-field textarea{resize:vertical;line-height:1.7}.calculator-field input[aria-invalid=true],.calculator-field select[aria-invalid=true],.calculator-field textarea[aria-invalid=true]{border-color:var(--purple-ink)}
.calculator-search-status{font-size:12px;color:var(--muted);min-height:22px}.calculator-group{margin-top:40px}.calculator-group-title{display:flex;align-items:center;gap:13px;margin-bottom:20px}.calculator-group-title>span:first-child{display:grid;place-items:center;width:38px;height:38px;background:var(--lavender);color:var(--purple-ink);border-radius:4px;font-size:22px}.calculator-group-title h2{font-size:25px;letter-spacing:-.035em}.calculator-group-title>span:last-child{margin-left:auto;color:var(--muted);font-size:12px}.calculator-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.calculator-card{display:flex;flex-direction:column;min-width:0;padding:25px;border:1px solid var(--line);border-radius:5px;background:var(--surface);transition:background .2s,border-color .2s,transform .2s}.calculator-card:hover{background:var(--lavender);border-color:var(--purple);transform:translateY(-2px)}.calculator-card>div{display:flex;justify-content:space-between;gap:18px;align-items:start}.calculator-card h3{font-size:19px;line-height:1.4;letter-spacing:-.025em}.calculator-card>div>span{font-size:22px;line-height:1.2;color:var(--purple-ink)}.calculator-card>p{font-size:13px;line-height:1.85;color:var(--muted);margin-top:12px;margin-bottom:22px}.calculator-card-action{display:flex;justify-content:space-between;align-items:center;margin-top:auto;font-size:11px;font-weight:600;color:var(--purple-ink)}
.calculator-empty{margin-top:30px;padding:35px;background:var(--soft);border:1px solid var(--line);border-radius:5px}.calculator-empty h2{font-size:26px}.calculator-empty p{font-size:14px;margin-top:12px;color:var(--muted)}.calculator-clear{margin-top:18px;padding:11px 16px;background:var(--ink);color:var(--on-ink);border-radius:5px;min-height:44px;font-size:13px}.calculator-index-note{display:flex;align-items:center;gap:24px;margin-top:45px;padding:25px 28px;background:var(--lavender);border-radius:5px}.calculator-index-note>span{font-size:34px;color:var(--purple-ink)}.calculator-index-note p{font-size:13px;color:var(--muted);line-height:1.9;max-width:850px}
.calculator-detail-heading{max-width:900px;margin-bottom:35px}.calculator-workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:start}.calculator-form-panel{padding:30px;border:1px solid var(--line);border-radius:5px;background:var(--surface)}.calculator-form-panel h2{font-size:23px}.calculator-number-help{font-size:12px;line-height:1.85;color:var(--muted);margin-top:15px;margin-bottom:24px}.calculator-number-help strong{font-weight:550;color:var(--ink)}.calculator-form{display:grid;gap:19px}.calculator-form-actions{display:flex;gap:12px;margin-top:4px}.calculator-form-actions button{display:flex;gap:35px;align-items:center;justify-content:center;min-height:48px;padding:12px 23px;border:1px solid var(--ink);background:var(--ink);color:var(--on-ink);font-size:13px;font-weight:600;border-radius:5px}.calculator-form-actions button[type=reset]{color:var(--muted);background:transparent;border-color:var(--line);font-weight:450}.calculator-form-actions button:disabled{opacity:.65;cursor:wait}.calculator-privacy{font-size:11px;line-height:1.8;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin-top:25px}.calculator-request-status{font-size:12px;color:var(--muted)}
.calculator-result{padding:30px;background:var(--lavender);border:1px solid transparent;border-radius:5px;min-height:220px}.calculator-result-label{font-size:12px;font-weight:650;color:var(--purple-ink);margin-bottom:24px}.calculator-result-placeholder{font-size:15px;color:var(--muted);line-height:1.9;max-width:320px}.calculator-result-placeholder strong{font-weight:550;color:var(--ink)}.calculator-result-values{display:grid;gap:20px;margin:0}.calculator-result-values>div{min-width:0}.calculator-result-values dt{font-size:12px;color:var(--muted);margin-bottom:4px}.calculator-result-values dd{font-size:24px;letter-spacing:-.035em;line-height:1.4;margin:0;font-weight:550;overflow-wrap:anywhere}.calculator-result-values>div:first-child dd{font-size:clamp(26px,3vw,40px)}.calculator-error{font-size:14px;line-height:1.8;color:var(--ink);border-left:3px solid var(--purple-ink);padding-left:15px}.calculator-method{padding:25px 4px}.calculator-method h2{font-size:20px;margin-bottom:14px}.calculator-method p{font-size:13px;line-height:1.9;color:var(--muted);margin-top:12px}.calculator-method p:first-of-type{color:var(--ink)}.calculator-method .calculator-assumption{padding-block:16px;border-block:1px solid var(--line)}
.calculator-related{margin-top:45px;padding-top:30px;border-top:1px solid var(--line)}.calculator-related>div:first-child{display:flex;justify-content:space-between;align-items:center;gap:20px}.calculator-related h2{font-size:23px}.calculator-related>div>a{font-size:12px;color:var(--purple-ink);min-height:44px;display:flex;align-items:center;gap:15px}.calculator-related-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:20px}.calculator-related .calculator-related-links>a{font-size:14px;display:flex;justify-content:space-between;padding:13px 17px;border:1px solid var(--line);border-radius:5px;color:var(--ink)}.calculator-related-links>a:hover{background:var(--soft)}.calculator-noscript{font-size:13px;margin-top:20px}
@media(max-width:1100px){.quick-nav{gap:20px}.tools-nav{font-size:12px}.calculator-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:980px){.quick-nav{display:none}.menu-toggle{display:flex}.calculator-heading h1{font-size:46px}}
@media(max-width:700px){.calculator-toolbar{grid-template-columns:1fr;gap:15px;padding:20px}.calculator-heading{align-items:start}.calculator-count{padding:18px;gap:12px}.calculator-count strong{font-size:40px}.calculator-count span{font-size:10px}.calculator-workspace{grid-template-columns:1fr;gap:20px}.calculator-breadcrumb{margin-bottom:30px}.calculator-detail h1{font-size:38px}.calculator-form-panel,.calculator-result{padding:24px}.calculator-related-links{grid-template-columns:1fr}}
@media(max-width:500px){.calculator-index,.calculator-detail{padding-top:20px}.calculator-heading{display:block;margin-bottom:28px}.calculator-heading h1{font-size:42px}.calculator-heading p:not(.section-kicker),.calculator-detail-heading>p:last-child{font-size:14px}.calculator-count{margin-top:24px;display:inline-flex;padding:15px 20px;gap:18px}.calculator-count strong{font-size:36px}.calculator-count span{font-size:11px}.calculator-grid{grid-template-columns:1fr;gap:12px}.calculator-card{padding:22px}.calculator-card>p{margin-bottom:18px}.calculator-group-title h2{font-size:22px}.calculator-group{margin-top:30px}.calculator-detail h1{font-size:34px;overflow-wrap:anywhere}.calculator-detail .section-kicker,.calculator-heading .section-kicker{font-size:11px}.calculator-form-panel,.calculator-result{padding:22px}.calculator-index-note{gap:17px;padding:22px}.calculator-index-note p{font-size:12px}.calculator-breadcrumb{font-size:11px;gap:8px}.calculator-related>div:first-child{align-items:start;flex-direction:column;gap:8px}.calculator-related h2{font-size:22px}.menu-tools>summary{font-size:24px}}
@media(prefers-reduced-motion:reduce){.calculator-card,.tools-nav>summary>span:last-child{transition:none}.calculator-card:hover{transform:none}}
@media print{.calculator-toolbar,.calculator-search-status,.calculator-form-actions,.calculator-related,.calculator-breadcrumb{display:none!important}.calculator-workspace{display:block}.calculator-form-panel,.calculator-result{break-inside:avoid;margin-bottom:20px}.calculator-detail h1{font-size:28pt}.calculator-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}