/* Follow the homepage's final editorial theme and the shared Lab tool theme. */
:root{color-scheme:light;--ink:#191919;--muted:#494944;--paper:#f3f0e8;--line:#191919;--accent:#6234d8}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--accent);text-underline-offset:4px}header,main,footer{width:min(1256px,calc(100% - 64px));margin:auto}header{padding-top:26px}nav.topbar{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap;padding:16px 20px;margin:0!important;background:#ed5a50;border:2px solid var(--ink);border-radius:5px;box-shadow:5px 5px 0 var(--ink)}nav .brand{font-size:25px!important;letter-spacing:-.5px;text-decoration:none;white-space:nowrap}nav .brand:before{width:32px;height:32px;font-size:24px;margin-right:12px}.language{display:inline-flex;gap:3px;align-items:center;flex-shrink:0}.language a{display:inline-flex;padding:7px 12px;text-decoration:none;font-size:13px;min-height:36px;align-items:center}.language a:hover{background:white!important;color:var(--ink)!important}.hero{padding:38px 0 28px;max-width:760px;margin-bottom:0!important}.eyebrow{font-size:11px;letter-spacing:1.7px;text-transform:uppercase;font-weight:750;color:#4d6048}h1{font-size:34px;line-height:1.35;letter-spacing:-1px;font-weight:850;margin:12px 0}h2{font-size:21px;line-height:1.4;margin-top:0}h3{font-size:16px;margin-bottom:6px}.intro{font-size:14px;line-height:1.8;color:var(--muted)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}.panel{background:#fff!important;border:2px solid var(--ink);border-radius:5px;padding:26px;box-shadow:4px 4px 0 var(--ink);min-width:0}.output{position:static}.step{color:#43219c;font-size:12px;letter-spacing:1px;font-weight:800;text-transform:uppercase;margin:0 0 14px}.grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.field{display:block;margin-bottom:18px;font-size:14px;font-weight:750;min-width:0}.field small{display:block;font-weight:400;color:var(--muted);margin:5px 0 0;font-size:12px;line-height:1.8}input[type=text],input[type=url],textarea{display:block;width:100%;max-width:100%;min-width:0;font:inherit;margin-top:7px;padding:11px 12px;border:2px solid #b9b6ad;border-radius:4px;background:white;color:var(--ink)}textarea{resize:vertical;min-height:185px;font:14px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere}input:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:12px 0 22px}button{font:inherit;font-size:13px;font-weight:800;border:2px solid var(--ink);border-radius:4px;background:white;color:var(--ink);padding:10px 14px;box-shadow:2px 2px 0 var(--ink);cursor:pointer;min-height:44px}button:hover{background:#ffe372}.primary{background:var(--accent);color:white}.primary:hover{background:#ffe372;color:var(--ink)}button:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.check{font-size:13px;display:flex;align-items:flex-start;gap:9px}.check input{margin-top:6px;accent-color:var(--accent)}.hint,.count{font-size:12px;color:var(--muted)}.error{color:#b42318;min-height:24px;font-size:13px}.status{font-size:13px;min-height:24px}.privacy{font-size:13px;line-height:1.8;border-top:1px solid #19191930;padding-top:18px}.guide{margin:34px 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}.guide article{padding:22px;background:#fff;border:2px solid var(--ink);border-radius:5px;box-shadow:3px 3px 0 var(--ink)}.guide article:first-child{background:#ffe372}.guide article:nth-child(2){background:#e4d8fb}.guide p,.guide li{color:#474741;font-size:13px;line-height:1.8}.guide ol{padding-left:22px}code{font-size:.88em;overflow-wrap:anywhere}.reference{font-size:13px}footer{padding:24px 0 40px;border-top:1px solid #a7a39a;font-size:13px;font-weight:700}footer a{margin-right:20px}noscript{display:block;padding:16px;background:#ffe372;border:2px solid var(--ink);margin-bottom:20px}::selection{background:#ffe372;color:var(--ink)}[hidden]{display:none!important}@media(max-width:760px){.workspace,.guide{grid-template-columns:minmax(0,1fr)}.output{position:static}.hero{padding:28px 0 22px}.panel{padding:20px}.grid{grid-template-columns:minmax(0,1fr);gap:0}header,main,footer{width:calc(100% - 40px)}header{padding-top:18px}nav.topbar{padding:12px;gap:8px}nav .brand{font-size:18px!important}nav .brand:before{width:25px;height:25px;font-size:20px;margin-right:7px}.language a{padding:6px 8px;font-size:11px}.hero h1{font-size:27px!important;letter-spacing:-1px!important}.guide{gap:16px}}@media(max-width:360px){header,main,footer{width:calc(100% - 24px)}nav .brand{font-size:16px!important}.language a{padding:6px;font-size:10px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}button:hover{transform:none!important}}

/* Percentage calculator: shared homepage palette, accessible native controls. */
.percent-page .brand,.percent-page .language a{color:#191919!important}
.percent-page .field{margin:0 0 7px}
.percent-page select,.percent-page input[type=text]{display:block;width:100%;max-width:100%;min-width:0;min-height:48px;font:inherit;font-variant-numeric:tabular-nums;padding:11px 12px;border:2px solid #191919!important;border-radius:4px;background:#fff;color:#191919;margin:0 0 16px}
.percent-page input[aria-invalid=true],.percent-page select[aria-invalid=true]{border-color:#b42318!important}
.percent-page .primary{width:100%}
.percent-page .mode-hint{padding:10px 12px;border-left:3px solid #6234d8;background:#f5f0ff;font-size:13px;line-height:1.8;margin:10px 0 20px}
.percent-page .hint{line-height:1.8}
.percent-page .result-block{background:#fff9dd;border:2px solid #191919;border-radius:4px;padding:20px;margin:0 0 16px}
.percent-page .result-number{display:block;color:#6234d8;font-size:clamp(30px,4vw,48px);font-weight:850;line-height:1.25;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;word-break:break-word}
.percent-page .result-label{display:block;font-size:14px;font-weight:750;margin-top:8px}
.percent-page .result-note{font-size:12px;line-height:1.8;margin:14px 0 0}
.percent-page .calculation{font-size:13px;line-height:1.8;overflow-wrap:anywhere}
.percent-page .formula{display:block;font:14px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;background:#f4f1e9;border:1px solid #bbb6ab;border-radius:4px;padding:10px;margin-bottom:12px;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word}
.percent-page .raw-change:empty{display:none}
.percent-page details{font-size:12px;padding:10px 12px;background:#f5f0ff;border:1px solid #b7a2e4;border-radius:4px;margin:16px 0;overflow-wrap:anywhere;word-break:break-word}
.percent-page summary{font-size:13px;cursor:pointer;font-weight:700;min-height:28px}
.percent-page summary:focus-visible{outline:3px solid #6234d8;outline-offset:3px}
.percent-page .summary-output{min-height:240px;white-space:pre-wrap;font-size:12px;line-height:1.7;border-color:#191919!important;margin-bottom:12px}
.percent-page .status{white-space:pre-line}
.percent-page .reference{display:flex;gap:8px 20px;flex-wrap:wrap;line-height:1.8}
.percent-page .skip-link{position:absolute;left:12px;top:-80px;z-index:2;background:#fff;border:2px solid #191919;padding:8px 12px;color:#191919}
.percent-page .skip-link:focus{top:10px}
.percent-page .guide h2{font-size:19px}
.percent-page .guide .example-line{padding:10px;background:#fff9dd;border-left:3px solid #6234d8;overflow-wrap:anywhere}
@media(max-width:900px){.percent-page .workspace{grid-template-columns:minmax(0,1fr)}}
@media(max-width:760px){.percent-page .result-number{font-size:36px}.percent-page select{font-size:15px}}
@media(max-width:360px){.percent-page select{font-size:14px;padding:10px 7px}.percent-page .result-number{font-size:30px}}