/* 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}}

/* Paired, wrapping size cards keep decimal and binary factors visible on phones. */
.size-page .brand,.size-page .language a{color:#191919!important}
.size-page .workspace{grid-template-columns:minmax(260px,.8fr) minmax(0,1.65fr)}
.size-page .field{margin:0 0 7px}.size-page .field-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}
.size-page input[type=text],.size-page select{display:block;width:100%;max-width:100%;min-width:0;min-height:48px;font:inherit;padding:11px 12px;border:2px solid #191919!important;border-radius:4px;background:#fff;color:#191919;margin:6px 0 8px}
.size-page input[aria-invalid=true],.size-page select[aria-invalid=true]{border-color:#b42318!important}
.size-page .number-input{font:18px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace!important}
.size-page .primary{width:100%}.size-page .examples{gap:8px;margin:12px 0}.size-page .examples button{font-size:12px;padding:8px 10px}
.size-page .source-summary{font-size:22px;font-weight:850;color:#6234d8;line-height:1.4;overflow-wrap:anywhere;word-break:break-word;margin:12px 0}
.size-page .result-intro{font-size:13px;color:#494944}.size-page .result-list{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}
.size-page .unit-card{min-width:0;border:2px solid #191919;border-radius:4px;background:#fff9dd;padding:14px}
.size-page .unit-card.binary{background:#efe8fd}.size-page .unit-card.basic{background:#f3f0e8}
.size-page .unit-card h3{margin:0;font-size:18px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.size-page .system-label{font-size:10px;letter-spacing:.5px;text-transform:uppercase;background:#fff;border:1px solid #191919;border-radius:3px;padding:1px 5px}
.size-page .factor{font:11px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere;color:#494944;margin:5px 0 12px}
.size-page .result-value{display:block;font:750 18px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere;word-break:break-word;color:#43219c;margin:8px 0 12px}
.size-page .unit-card button{font-size:11px;padding:8px 10px;max-width:100%;white-space:normal}
.size-page details{border-top:1px solid #19191944;margin-top:14px;padding-top:10px;min-width:0}
.size-page summary{font-size:12px;font-weight:750;cursor:pointer;min-height:32px}.size-page summary:focus-visible{outline:3px solid #6234d8;outline-offset:3px}
.size-page .exact-label{font-size:11px;line-height:1.7}.size-page .exact-value{min-height:96px;font-size:12px;line-height:1.7;margin-bottom:10px;overflow-wrap:anywhere;white-space:pre-wrap;border-color:#191919!important}
.size-page .manual-copy{border:2px solid #191919;background:#fff9dd;padding:12px;margin-top:16px}.size-page #copyText{min-height:80px}.size-page .status{white-space:pre-line}
.size-page .reference{display:flex;gap:8px 20px;flex-wrap:wrap;line-height:1.8}.size-page .skip-link{position:absolute;left:12px;top:-80px;z-index:2;background:white;border:2px solid #191919;padding:8px 12px;color:#191919}.size-page .skip-link:focus{top:10px}
.size-page .example-equation{overflow-wrap:anywhere;font-weight:750}.size-page .error{color:#a2180f}
@media(max-width:1050px){.size-page .workspace{grid-template-columns:minmax(0,1fr)}.size-page .input-panel{max-width:none}.size-page .field-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
@media(max-width:560px){.size-page .result-list,.size-page .field-grid{grid-template-columns:minmax(0,1fr)}.size-page .unit-card{padding:14px}.size-page .source-summary{font-size:20px}.size-page nav .brand{color:#191919!important}.size-page .result-value{font-size:17px}}