/* Local system fonts: no third-party requests, no font swapping. */
:root{color-scheme:light dark;--paper:#f7f8f3;--surface:#fff;--ink:#172e27;--muted:#53665e;--faint:#607368;--line:#d9e1d7;--accent:#157052;--accent-hover:#0b5840;--soft:#e9f0e3;--result:#eaf3e7;--danger:#a22e2e;--focus:#08664b;--sans:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mono:ui-monospace,"SFMono-Regular",Consolas,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px;-webkit-text-size-adjust:100%}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}button:disabled:hover{transform:none}button,input,select,textarea{max-width:100%}button{color:inherit}img,svg{max-width:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.16;letter-spacing:-.035em}h1,h2{font-weight:650}h1{font-size:clamp(32px,4vw,48px)}h2{font-size:clamp(23px,2.6vw,30px)}h3{font-size:21px}.wrap{width:min(1184px,100% - 64px);margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:4px}.skip-link{position:fixed;top:10px;left:16px;z-index:100;padding:10px 18px;background:var(--surface);transform:translateY(-180%)}.skip-link:focus{transform:none}a,button{touch-action:manipulation}::selection{background:#c6e4b8;color:#173d29}
.site-head{border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:20}.header-inner{display:flex;align-items:center;min-height:84px;gap:40px}.brand{display:inline-flex;align-items:center;flex-shrink:0;letter-spacing:-1.4px;font-weight:750;font-size:28px;color:var(--ink);line-height:1}.brand:hover{text-decoration:none}.brand-mark{display:grid;place-items:center;width:38px;height:38px;margin-right:10px;font-size:30px;font-weight:550;border-radius:12px;background:var(--accent);color:#fff}.brand-dot{color:var(--accent)}.site-head nav{display:flex;gap:28px;font-size:14px;white-space:nowrap}.site-head nav a{color:var(--muted);padding:10px 0}.search{display:flex;align-items:center;position:relative;min-width:0;gap:8px;border:1px solid var(--line);border-radius:9px;background:var(--surface);height:46px;margin:0 0 0 auto;max-width:280px}.search svg{width:18px;height:18px;margin-left:14px;stroke:var(--muted);stroke-width:1.8;flex-shrink:0}.search input{background:none;color:var(--ink);border:0;width:100%;min-width:0;padding:10px 0;font-size:14px;outline-offset:0}.search button{flex-shrink:0;align-self:stretch;border:0;background:none;min-width:44px;color:var(--accent);border-radius:7px}.search:focus-within{outline:2px solid var(--accent);outline-offset:2px}.search input:focus-visible{outline:none}.search input::placeholder{color:var(--faint);opacity:1}
.home-hero{padding:52px 0 45px;border-bottom:1px solid var(--line)}.hero-kicker{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted);letter-spacing:.055em;margin-bottom:25px}.online-dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}.hero-main{display:grid;grid-template-columns:minmax(0,1.38fr) minmax(0,1fr);gap:76px;align-items:center}.home-hero h1{font-size:clamp(36px,4.7vw,61px);font-weight:620;line-height:1.06;letter-spacing:-.06em;margin:0 0 22px}.accent-dot{color:var(--accent)}.hero-description{font-size:17px;line-height:1.7;color:var(--muted);margin-bottom:26px}.search-large{max-width:none;width:100%;height:59px;border-radius:11px;margin:0}.search-large input{font-size:16px}.search-large button{background:var(--accent);color:#fff;align-self:center;height:43px;margin-right:7px;padding:0 19px;font-size:14px}.hero-benefits{display:flex;gap:18px;font-size:11px;color:var(--muted);margin-top:16px}.hero-benefits span+span::before{content:'·';margin-right:18px}.countdown-preview{display:flex;flex-direction:column;position:relative;color:var(--ink);background:var(--soft);border-radius:4px 70px 4px 4px;padding:27px 30px 23px;transition:background .2s,transform .2s;min-width:0}.countdown-preview:hover{text-decoration:none;transform:translateY(-3px)}.preview-top{display:flex;justify-content:space-between;font-size:12px;line-height:1.5;color:var(--muted)}.preview-top>span:last-child{font-size:25px;margin-right:10px}.preview-number{font:500 clamp(80px,10vw,132px)/1.1 var(--mono);letter-spacing:-.09em;color:var(--accent);margin-top:22px;font-variant-numeric:tabular-nums;min-height:1.1em}.preview-unit{font-size:17px;margin:0 0 22px 5px;color:var(--muted)}.preview-bottom{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:18px;font-size:12px}.preview-bottom>span:last-child{color:var(--accent);font-weight:650}.catalog{padding-top:44px}.catalog-heading{display:flex;justify-content:space-between;align-items:baseline;gap:16px}.catalog-heading h2{margin-bottom:20px;font-size:28px}.catalog-heading p,.catalog-heading>a{font-size:12px;color:var(--muted)}.category-nav{display:flex;gap:8px;margin-bottom:36px;flex-wrap:wrap}.category-nav a{padding:8px 17px;border:1px solid var(--line);color:var(--muted);font-size:13px;border-radius:7px;min-height:40px;transition:background .15s}.category-nav a:hover{background:var(--soft);text-decoration:none}.category{display:grid;grid-template-columns:240px minmax(0,1fr);gap:55px;border-top:1px solid var(--line);padding:28px 0 26px;scroll-margin-top:104px}.category-label{padding-top:10px}.section-index{font:11px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);display:block;margin-bottom:12px}.category-label h3{font-size:22px;margin-bottom:10px}.category-label p{font-size:13px;max-width:180px;color:var(--muted);line-height:1.6}.tool-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:35px}.tool-link{display:flex;align-items:center;gap:16px;min-width:0;padding:22px 2px;border-bottom:1px solid var(--line);color:var(--ink);transition:background .15s}.tool-link:hover{background:var(--soft);text-decoration:none}.tool-link>span:nth-child(2){min-width:0}.tool-link strong{display:block;font-size:15px;line-height:1.45;font-weight:650;letter-spacing:-.025em}.tool-description{display:block;font-size:12px;line-height:1.6;color:var(--muted);margin-top:5px}.tool-symbol{display:grid;place-items:center;flex-shrink:0;width:35px;min-height:38px;color:var(--accent);font:500 23px/1.3 var(--mono);letter-spacing:-.1em}.link-arrow{margin-left:auto;align-self:flex-start;color:var(--faint);font-size:20px;transition:transform .15s}.tool-link:hover .link-arrow{transform:translate(2px,-2px)}.no-results{padding:40px 0}.no-results p{color:var(--muted)}.home-method{border-top:1px solid var(--line);margin-top:35px;padding:54px 0 28px;display:grid;grid-template-columns:1fr 1fr;column-gap:60px}.home-method>.section-index{grid-column:1/-1}.home-method h2{font-size:36px;line-height:1.2}.home-method p{font-size:15px;color:var(--muted);max-width:50ch}.inline-link{font-size:14px}.recent{padding:22px 0 0}.recent>div{display:flex;justify-content:space-between;gap:20px}.recent h2{font-size:16px;letter-spacing:0;margin:0}.recent nav{display:flex;gap:20px;flex-wrap:wrap;margin-top:10px;font-size:13px}.text-button{padding:0;border:0;background:transparent;text-decoration:underline;text-underline-offset:3px;font-size:13px;color:var(--accent);min-height:36px}
.crumbs{padding-top:23px;font-size:12px;color:var(--muted)}.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}.crumbs li:not(:first-child)::before{content:'/';color:var(--faint);padding-right:8px}.crumbs a{color:var(--muted)}.tool-heading{margin:30px 0 28px}.eyebrow{font:11px/1.6 var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:14px}.tool-heading h1{margin-bottom:14px}.intro{font-size:17px;max-width:65ch;color:var(--muted);margin-bottom:0}.workspace{display:grid;grid-template-columns:minmax(0,780px) minmax(210px,1fr);gap:55px;align-items:start}.calculator{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}#calculator{padding:26px 28px 0}.calculator-fields{border:0;padding:0;margin:0}.field{min-width:0;margin-bottom:20px}.field label{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:8px}input[type=text],input[type=date],select,textarea{min-width:0;width:100%;height:51px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);padding:10px 13px;font:17px/1.3 var(--mono)}select{font:15px/1.3 var(--sans);padding-right:30px}input:read-only{color:var(--muted)}input[aria-invalid=true]{border-color:var(--danger)}input[type=date]{color-scheme:light dark;display:block}input[type=range]{width:100%;accent-color:var(--accent);min-height:30px}.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.field-note a{text-decoration:underline;text-underline-offset:3px}.field-note{font-size:12px;color:var(--muted);line-height:1.7;margin-bottom:20px}.check{display:flex;align-items:flex-start;gap:10px;line-height:1.6;font-size:13px;min-height:40px;cursor:pointer;padding:6px 0}.check input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--accent);flex-shrink:0}fieldset{border:0;padding:0;margin:0 0 12px}legend{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:8px}.options{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border:1px solid transparent;border-radius:8px;color:#fff;background:var(--accent);font-size:14px;font-weight:600;line-height:1.4;transition:background .15s,transform .1s}.btn:hover{background:var(--accent-hover);text-decoration:none}.btn:active{transform:translateY(1px)}.btn.secondary{background:var(--surface);color:var(--accent);border-color:var(--line);font-size:13px}.btn.secondary:hover{background:var(--soft)}.error{font-size:13px;line-height:1.5;color:var(--danger);min-height:22px;margin:12px 0}.result{background:var(--result);border-top:1px solid var(--line);padding:23px 28px 16px;min-width:0}.result h2{font:11px/1.6 var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:13px}.result-number{font:550 clamp(31px,4.6vw,52px)/1.2 var(--mono);color:var(--accent);letter-spacing:-.06em;margin:0 0 8px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums;min-height:1.2em}.result-label{font-size:14px;color:var(--ink);margin-bottom:10px}.result-detail{font-size:13px;line-height:1.7;color:var(--muted);overflow-wrap:anywhere;margin-bottom:14px;white-space:pre-wrap;max-height:210px;overflow:auto}.formula-live{font:12px/1.7 var(--mono);color:var(--muted);overflow-wrap:anywhere;margin-bottom:0;min-height:20px}.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:19px}.action-status{font-size:12px;min-height:20px;margin:8px 0 0;color:var(--muted)}.password-result .result-number{font-size:clamp(22px,2.3vw,29px);line-height:1.5;letter-spacing:.01em;word-break:break-all;user-select:all}.presets{display:flex;flex-wrap:wrap;gap:8px}.chip{border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:6px;padding:9px 12px;min-height:38px;font-size:12px;line-height:1.5;transition:background .15s}.chip:hover{background:var(--soft);color:var(--accent)}.examples{padding:17px 28px 21px}.examples>span{font:11px/1.6 var(--mono);color:var(--muted);display:block;margin-bottom:10px}.tool-aside{padding-top:18px}.aside-mark{font:44px/1 var(--mono);color:var(--accent);display:block;margin-bottom:22px}.tool-aside h2{font-size:18px;letter-spacing:-.01em;margin-bottom:12px}.tool-aside p{font-size:13px;line-height:1.8;color:var(--muted)}.tool-aside nav{display:flex;flex-direction:column;margin-top:24px;border-top:1px solid var(--line)}.tool-aside nav a{display:flex;justify-content:space-between;gap:12px;font-size:12px;padding:13px 0;border-bottom:1px solid var(--line);color:var(--ink)}.tool-aside .local-note{margin:24px 0;font-size:11px}.bmi-scale{height:9px;margin:20px 0 9px;background:linear-gradient(to right,#42819e 0 10.416667%,#157052 10.416667% 37.5%,#ab791f 37.5% 58.333333%,#b55047 58.333333% 100%);border-radius:3px;position:relative}.bmi-scale span{position:absolute;top:-6px;width:3px;height:21px;background:var(--ink);transform:translateX(-50%);transition:left .18s}.bmi-ticks{height:22px;position:relative;font:10px/1.4 var(--mono);color:var(--muted)}.bmi-ticks span{position:absolute;transform:translateX(-50%)}.bmi-ticks span:nth-child(1){left:0;transform:none}.bmi-ticks span:nth-child(2){left:10.416667%}.bmi-ticks span:nth-child(3){left:37.5%}.bmi-ticks span:nth-child(4){left:58.333333%}.bmi-ticks span:nth-child(5){right:0;transform:none}textarea{height:auto;min-height:80px;resize:vertical}#copy-fallback{margin-top:16px}#copy-fallback label{font-size:13px;display:block;margin-bottom:8px}
.reading-layout{display:grid;grid-template-columns:minmax(0,780px) 1fr;gap:55px;margin-top:35px}.prose{max-width:75ch;min-width:0}.prose h2{font-size:24px;margin:35px 0 16px}.prose p,.prose li{font-size:15px;color:var(--muted);line-height:1.85}.prose a{text-decoration:underline;text-underline-offset:3px}.prose code{font:13px/1.8 var(--mono);color:var(--ink);background:var(--soft);padding:2px 5px;border-radius:3px;box-decoration-break:clone;overflow-wrap:anywhere}.prose ul{padding-left:20px}.table-scroll{max-width:100%;overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.55;margin:5px 0 20px}caption{text-align:left;color:var(--muted);font-size:12px;padding-bottom:10px}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}th{font-weight:600}thead{background:var(--soft)}.source-note{margin-top:32px;padding:20px 0;border-top:1px solid var(--line)}.source-note h2{font-size:15px;margin:0 0 10px;letter-spacing:0}.source-note p,.source-note li{font-size:12px}.source-note ul{margin-bottom:0}.reading-note{margin-top:43px;color:var(--muted);font-size:17px}.faq{display:grid;grid-template-columns:240px minmax(0,1fr);gap:55px;border-top:1px solid var(--line);margin-top:40px;padding-top:35px}.faq h2{font-size:27px;max-width:220px}.faq details{border-bottom:1px solid var(--line)}.faq summary{padding:19px 24px 19px 0;cursor:pointer;font-size:15px;font-weight:550;list-style:none;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:'+';position:absolute;right:1px;top:15px;font:22px/1.6 var(--mono);color:var(--accent)}.faq details[open] summary::after{content:'−'}.faq details p{font-size:14px;color:var(--muted);line-height:1.8;padding-right:25px}.related{margin-top:50px;padding-top:28px;border-top:1px solid var(--line)}.related-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.related-list .tool-link{align-items:flex-start}.site-foot{margin-top:65px;padding:35px 0 25px;border-top:1px solid var(--line);background:var(--soft)}.footer-top{display:flex;align-items:center;gap:30px}.footer-top .brand{font-size:22px}.footer-top .brand-mark{width:31px;height:31px;font-size:25px;border-radius:9px}.footer-top p{font-size:12px;color:var(--muted);margin:0 auto 0 0}.footer-top>a:not(.brand){font-size:12px;color:var(--muted)}.footer-tools{display:flex;flex-wrap:wrap;gap:10px 23px;padding:27px 0;border-bottom:1px solid var(--line)}.footer-tools a{font-size:12px;color:var(--muted)}.fine{font-size:11px;color:var(--muted);margin:20px 0 0}.info-main{padding-top:0;min-height:50vh}.info-main h1{margin:35px 0 25px}.notice{padding:18px;border:1px solid var(--line);background:var(--surface);font-size:14px}
@media(min-width:1100px){.hero-main>div:first-child{animation:appear .35s ease both}.countdown-preview{animation:appear .45s ease .05s both}}@keyframes appear{from{transform:translateY(8px)}to{transform:translateY(0)}}
@media(max-width:1050px){.header-inner{gap:24px}.site-head nav{gap:18px}.hero-main{gap:38px}.workspace,.reading-layout{grid-template-columns:minmax(0,1fr) 220px;gap:30px}.category,.faq{grid-template-columns:200px minmax(0,1fr);gap:30px}.tool-list{column-gap:20px}.tool-link{gap:10px}.footer-top{gap:20px}}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.site-head nav{display:none}.header-inner{min-height:73px}.brand{font-size:25px}.hero-main{grid-template-columns:1fr 1fr;gap:25px}.home-hero{padding-top:34px}.home-hero h1{font-size:40px}.hero-description{font-size:15px}.hero-benefits{flex-wrap:wrap;gap:6px 12px}.hero-benefits span+span::before{display:none}.search-large{height:53px}.search-large input{font-size:14px}.search-large button{padding:0 12px}.countdown-preview{padding:24px 23px 18px;border-top-right-radius:50px}.preview-number{font-size:90px}.preview-bottom{flex-wrap:wrap}.category{grid-template-columns:175px minmax(0,1fr);gap:20px}.tool-list{grid-template-columns:1fr}.workspace{grid-template-columns:minmax(0,1fr)}.tool-aside{display:grid;grid-template-columns:1fr 1fr;gap:0 28px;padding-top:0}.tool-aside .aside-mark{display:none}.tool-aside h2{grid-column:1;margin-top:6px}.tool-aside>p{grid-column:1}.tool-aside nav{grid-column:2;grid-row:1/4;margin-top:0}.tool-aside .local-note{margin:0}.reading-layout{grid-template-columns:1fr}.reading-note{display:none}.faq{grid-template-columns:180px minmax(0,1fr);gap:25px}.related-list{grid-template-columns:1fr;gap:0}.footer-top{flex-wrap:wrap}.footer-top p{flex:1}.footer-top>a:not(.brand){min-height:28px}.home-method h2{font-size:30px}.home-method{column-gap:30px}}
@media(max-width:560px){html{scroll-padding-top:86px}.wrap{width:calc(100% - 32px)}.header-inner{gap:16px;min-height:68px}.brand{font-size:23px;letter-spacing:-1px}.brand-mark{width:31px;height:31px;border-radius:9px;font-size:26px;margin-right:7px}.site-head .search{height:40px;flex:1;max-width:210px}.site-head .search svg{display:none}.site-head .search input{font-size:12px;padding-left:10px}.site-head .search button{min-width:32px}.home-hero{padding:27px 0 30px}.hero-kicker{font-size:10px;letter-spacing:.03em;margin-bottom:20px}.hero-main{grid-template-columns:1fr;gap:26px}.home-hero h1{font-size:clamp(35px,10vw,47px);margin-bottom:17px}.hero-description{font-size:14px;line-height:1.8;margin-bottom:22px}.hero-description br{display:none}.hero-benefits{justify-content:space-between;font-size:10px;margin-top:12px;gap:4px}.countdown-preview{padding:15px 20px;border-radius:4px 38px 4px 4px;display:grid;grid-template-columns:1fr auto;column-gap:12px;align-items:center}.preview-top{grid-column:1;grid-row:1;font-size:11px}.preview-top>span:last-child{display:none}.preview-number{grid-column:2;grid-row:1;font-size:61px;margin:0;min-height:67px}.preview-unit{grid-column:2;grid-row:2;font-size:11px;text-align:right;margin:-5px 0 0}.preview-bottom{grid-column:1;grid-row:2;border:0;padding:0;font-size:10px;gap:2px}.preview-bottom>span:last-child{display:none}.catalog{padding-top:30px}.catalog-heading{gap:10px;align-items:flex-start}.catalog-heading h2{font-size:24px;max-width:210px;margin-bottom:16px}.catalog-heading p{font-size:10px;max-width:90px;text-align:right}.category-nav{gap:6px;margin-bottom:25px}.category-nav a{padding:7px 10px;font-size:11px;min-height:34px}.category{grid-template-columns:1fr;gap:10px;padding:22px 0}.category-label{display:grid;grid-template-columns:25px 1fr;gap:0 10px;padding-top:0}.category-label .section-index{margin-top:5px}.category-label h3{font-size:19px;margin-bottom:4px}.category-label p{grid-column:2;font-size:11px;max-width:none;margin:0}.tool-link{padding:18px 2px;gap:13px}.tool-list{padding-left:0}.tool-link strong{font-size:15px}.tool-symbol{width:30px}.tool-description{font-size:12px}.home-method{grid-template-columns:1fr;gap:0;padding-top:30px;margin-top:15px}.home-method h2{font-size:30px}.home-method p{font-size:14px}.crumbs{padding-top:18px;font-size:10px}.tool-heading{margin:24px 0 23px}.tool-heading h1{font-size:32px;line-height:1.15}.eyebrow{font-size:10px;margin-bottom:10px}.intro{font-size:14px;line-height:1.8}.workspace{gap:23px}.calculator{border-radius:11px}#calculator{padding:20px 18px 0}.row{gap:12px}.field label{font-size:12px}.field{margin-bottom:16px}input[type=text],input[type=date]{font-size:16px;padding:10px 8px;height:48px}select{font-size:14px}.result{padding:20px 18px 13px}.result-number{font-size:36px;line-height:1.25}.result-detail{font-size:12px}.formula-live{font-size:11px}.result-actions{gap:8px}.result-actions .btn{padding:9px 11px;font-size:12px;flex:1;white-space:nowrap}.examples{padding:15px 18px 18px}.chip{font-size:11px;padding:8px 10px}.tool-aside{display:block}.tool-aside h2{font-size:16px;margin:0 0 8px}.tool-aside p{font-size:12px}.tool-aside nav{display:none}.tool-aside .local-note{display:none}.reading-layout{margin-top:5px}.prose h2{font-size:22px;margin-top:30px}.prose p,.prose li{font-size:14px;line-height:1.9}th,td{padding:10px 8px;font-size:12px}.source-note p,.source-note li{font-size:11px}.faq{grid-template-columns:1fr;gap:0;margin-top:25px;padding-top:25px}.faq h2{font-size:24px;max-width:none;margin-bottom:6px}.faq .section-index{margin-bottom:8px}.faq summary{font-size:14px}.faq details p{font-size:13px}.related{margin-top:30px}.related .catalog-heading h2{font-size:22px}.related .catalog-heading a{font-size:11px}.footer-top{gap:18px 20px}.footer-top .brand{font-size:24px}.footer-top p{font-size:11px;max-width:140px}.footer-top>a:not(.brand){font-size:11px}.footer-tools{gap:10px 17px;padding:22px 0}.footer-tools a{font-size:11px}.site-foot{margin-top:40px;padding-top:28px}.recent>div{align-items:center}.recent h2{font-size:13px}.recent nav{font-size:12px;gap:10px 18px}.text-button{font-size:11px}.info-main h1{font-size:clamp(26px,7.4vw,32px);overflow-wrap:anywhere}.check{font-size:12px;line-height:1.7}.options{gap:0 10px}.password-result .result-number{font-size:23px}}
@media(max-width:359px){.brand{font-size:21px}.header-inner{gap:10px}.site-head .search input{font-size:11px}.row{grid-template-columns:1fr;gap:0}.options{grid-template-columns:1fr}.hero-benefits{font-size:9px}.result-actions{flex-direction:column}.catalog-heading h2{font-size:22px}}
@media(prefers-color-scheme:dark){:root{--paper:#14221d;--surface:#1b2c25;--ink:#edf3e9;--muted:#b1c1b4;--faint:#acbbae;--line:#394d40;--accent:#93d5ac;--accent-hover:#75c893;--soft:#22382b;--result:#20372a;--danger:#ffb4ab;--focus:#b5eac4}.brand-mark,.btn{color:#12291c;background:var(--accent)}.search-large button{color:#12291c}.btn.secondary{color:var(--accent);background:var(--surface)}.bmi-scale{opacity:.95}::selection{color:#10251a;background:#93d5ac}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.site-head,.site-foot,.tool-aside,.examples,.result-actions,.related,.category-nav,.reading-note{display:none}.wrap{width:100%}.workspace,.reading-layout,.faq{display:block}.calculator{break-inside:avoid}.result{background:#fff;color:#000}.faq details p{display:block}.prose{max-width:none}body{background:white;color:black}}

.field textarea{width:100%;min-height:96px;padding:12px 14px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--ink);font:inherit;line-height:1.5;resize:vertical}
.field textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.app-panel{padding:30px 28px 26px}.app-display{text-align:center;padding:26px 10px 22px;background:var(--result);border:1px solid var(--line);border-radius:12px;margin-bottom:24px}.app-display output{display:block;font:550 clamp(46px,10vw,80px)/1 var(--mono);color:var(--accent);letter-spacing:-.05em;font-variant-numeric:tabular-nums}.app-display output.is-done{animation:done-pulse 1s ease-in-out infinite}@keyframes done-pulse{50%{opacity:.35}}.app-state{margin:16px 0 0;font:11px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}.app-controls{display:flex;gap:10px;margin:22px 0}.app-controls .btn{flex:1;min-height:52px;font-size:15px}.row-time{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:20px}.app-panel .presets{margin-bottom:4px}.laps{margin-top:8px;border-top:1px solid var(--line);padding-top:14px}.laps-head{display:flex;justify-content:space-between;align-items:baseline}.laps-head h2{font-size:15px;letter-spacing:-.01em;margin:0}.laps ol{list-style:none;margin:12px 0 0;padding:0;max-height:280px;overflow:auto}.laps li{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:baseline;padding:11px 4px;border-bottom:1px solid var(--line);font-size:14px}.lap-n{color:var(--muted);font-size:13px}.lap-split{font:15px/1 var(--mono);color:var(--ink);font-variant-numeric:tabular-nums;text-align:right}.lap-total{font:12px/1 var(--mono);color:var(--faint);font-variant-numeric:tabular-nums}.laps li.is-fast .lap-split{color:var(--accent)}.laps li.is-slow .lap-split{color:var(--danger)}
@media(max-width:560px){.app-panel{padding:22px 16px 20px}.app-display{padding:20px 6px 16px}.app-controls{gap:8px;margin:18px 0}.app-controls .btn{min-height:48px;font-size:14px;padding:8px}.row-time{gap:10px}}
.cal-head{display:flex;align-items:center;gap:16px;margin-bottom:20px}.cal-years{display:flex;gap:8px}.cal-years .chip.is-active{background:var(--accent);color:#fff;border-color:var(--accent)}.cal-note{padding:14px 16px;border:1px solid var(--line);border-left:3px solid var(--accent);background:var(--soft);font-size:13px;line-height:1.6;border-radius:0 8px 8px 0;margin-bottom:20px}.cal-summary{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:8px}.cal-big{flex:1;min-width:120px;background:var(--result);border:1px solid var(--line);border-radius:12px;padding:16px 18px}.cal-big strong{display:block;font:550 30px/1.1 var(--mono);color:var(--accent);letter-spacing:-.04em}.cal-big span{display:block;font-size:12px;color:var(--muted);margin-top:6px;line-height:1.4}.cal-src{width:100%;font-size:12px;color:var(--muted);margin:6px 0 0}.cal-between{margin:26px 0;padding-top:22px;border-top:1px solid var(--line)}.cal-between h2{font-size:17px;margin-bottom:16px;letter-spacing:-.01em}.cal-between-result{font-size:14px;line-height:1.6;color:var(--muted);min-height:22px;margin:14px 0 0}.cal-between-result strong{color:var(--accent);font-size:18px}.cal-between-result.is-warn{color:var(--danger)}
.cal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:26px 0 12px}.cal-month h3{font-size:13px;font-weight:650;margin:0 0 8px;letter-spacing:-.01em}.cal-days{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}.cal-wd{font:9px/1 var(--mono);color:var(--faint);text-align:center;padding:3px 0 5px;text-transform:uppercase}.cal-cell{aspect-ratio:1;display:grid;place-items:center;font:11px/1 var(--mono);color:var(--ink);border-radius:4px;font-variant-numeric:tabular-nums}.cal-empty{background:none}.cal-off{background:var(--soft);color:var(--faint)}.cal-hol{background:#f3d9d4;color:#a22e2e;font-weight:600}.cal-short{position:relative;box-shadow:inset 0 -2px 0 var(--accent)}.cal-legend{display:flex;flex-wrap:wrap;gap:16px;margin:6px 0 24px;font-size:12px;color:var(--muted)}.lg{display:inline-flex;align-items:center;gap:7px}.lg::before{content:'';width:13px;height:13px;border-radius:3px}.lg-off::before{background:var(--soft);border:1px solid var(--line)}.lg-hol::before{background:#f3d9d4}.lg-short::before{background:none;box-shadow:inset 0 -2px 0 var(--accent);border:1px solid var(--line)}
.cal-norm{font-size:13px}.cal-norm td,.cal-norm th{padding:8px 10px;text-align:right}.cal-norm td:first-child,.cal-norm th:first-child{text-align:left}.cal-norm .cal-sum td{background:var(--soft);font-weight:600}.cal-norm .cal-total td{background:var(--result);font-weight:700;color:var(--accent)}.cal-transfers{margin-top:26px}.cal-cols{display:grid;grid-template-columns:1fr 1fr;gap:30px}.cal-transfers h2{font-size:17px;margin-bottom:12px;letter-spacing:-.01em}.cal-transfers ul{margin:0;padding-left:18px;font-size:14px;line-height:1.9;color:var(--muted)}.cal-hollist{list-style:none;padding:0}.cal-short-note{margin-top:20px;font-size:13px;color:var(--muted);line-height:1.7;padding-top:16px;border-top:1px solid var(--line)}
@media(prefers-color-scheme:dark){.cal-hol{background:#4a2420;color:#ffb4ab}.lg-hol::before{background:#4a2420}}
@media(max-width:560px){.cal-grid{grid-template-columns:repeat(2,1fr);gap:14px}.cal-summary{gap:10px}.cal-big{min-width:calc(50% - 5px);padding:13px 14px}.cal-big strong{font-size:24px}.cal-cols{grid-template-columns:1fr;gap:20px}.cal-norm td,.cal-norm th{padding:7px 6px;font-size:12px}}