:root{--sans:"Helvetica Neue",Helvetica,Arial,sans-serif;--mono:"JetBrains Mono",ui-monospace,Menlo,monospace;--bg:#f5f5f3;--panel:#fcfcfb;--ink:#17181a;--mute:#5a5e64;--line:#d9d9d5;--soft:#ececea;--hl:oklch(0.87 0.09 255);--c-text:oklch(0.5 0.15 255);--c-code:oklch(0.5 0.13 155);--c-convert:oklch(0.52 0.14 55);--c-ai:oklch(0.5 0.15 305);--c-marketing:oklch(0.52 0.16 22);--c-security:oklch(0.5 0.11 200);--c-wp:oklch(0.5 0.12 100);--c-transform:oklch(0.52 0.15 350);--c-image:oklch(0.5 0.13 230);--c-content:oklch(0.48 0.1 280);--c-calc:oklch(0.52 0.13 40);--c-binary:oklch(0.5 0.12 180);--c-web:oklch(0.5 0.14 285);--c-util:oklch(0.5 0.1 130);--ok:oklch(0.5 0.13 150);--warn:oklch(0.55 0.14 65);--bad:oklch(0.52 0.17 25)}
[data-theme="dark"]{--bg:#111213;--panel:#17181a;--ink:#e8e8e5;--mute:#9c9fa4;--line:#2c2e31;--soft:#1f2124;--hl:oklch(0.42 0.1 255);--c-text:oklch(0.76 0.11 255);--c-code:oklch(0.76 0.11 155);--c-convert:oklch(0.78 0.11 65);--c-ai:oklch(0.76 0.11 305);--c-marketing:oklch(0.74 0.12 22);--c-security:oklch(0.76 0.09 200);--c-wp:oklch(0.8 0.11 100);--c-transform:oklch(0.76 0.11 350);--c-image:oklch(0.76 0.1 230);--c-content:oklch(0.76 0.09 280);--c-calc:oklch(0.78 0.11 45);--c-binary:oklch(0.78 0.1 180);--c-web:oklch(0.78 0.1 285);--c-util:oklch(0.78 0.1 130);--ok:oklch(0.76 0.12 150);--warn:oklch(0.8 0.12 75);--bad:oklch(0.72 0.14 25)}
/* Static shell + guide. Tokens above are copied from the design export. */
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink)}
body{font-family:var(--sans);font-size:15px;line-height:1.6;-webkit-text-size-adjust:100%}
a{color:var(--c-text)}a:hover{color:var(--ink)}
::selection{background:var(--hl)}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--ink);color:var(--bg);padding:8px 12px;font-family:var(--mono);font-size:12px}
.skip:focus{left:8px}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
@media (max-width:640px){.wrap{padding:0 16px}}

/* shell: visible until the app mounts (and for no-JS visitors) */
html.js body:not(.static) #tb-shell{min-height:100vh}
.sh-head{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:20px;padding:0 28px;height:60px}
.sh-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.14em}
.sh-mark{width:14px;height:14px;background:var(--ink);flex:none}
.sh-count{font-family:var(--mono);font-size:11px;color:var(--mute)}
.sh-search{flex:1 1 auto;max-width:560px;margin-left:auto}
.sh-search input{width:100%;height:36px;padding:0 12px;font-family:var(--mono);font-size:13px;background:var(--panel);color:var(--ink);border:1px solid var(--line);outline:none;border-radius:0}
.sh-search input:focus{border-color:var(--ink)}
.sh-nav{display:flex;gap:8px}
.sh-nav a{height:36px;display:flex;align-items:center;padding:0 12px;font-family:var(--mono);font-size:12px;color:var(--ink);border:1px solid var(--line);text-decoration:none}
.sh-hero{padding-top:28px;padding-bottom:22px}
.sh-hero h1{margin:6px 0 4px;font-size:30px;font-weight:600;letter-spacing:-.015em;line-height:1.2}
.sh-hero p{margin:0;color:var(--mute);font-size:14px}
.sh-noscript{margin:24px 28px;padding:14px;border:1px dashed var(--line);font-family:var(--mono);font-size:12px;color:var(--mute)}
@media (max-width:640px){.sh-head{padding:0 16px;gap:12px}.sh-count,.sh-nav{display:none}}

/* guide below the app */
.seo{border-top:1px solid var(--line);background:var(--bg)}
body.static .seo{border-top:0}
.guide{padding-top:40px;padding-bottom:56px;max-width:880px}
.guide h1{font-size:34px;line-height:1.15;letter-spacing:-.02em;margin:4px 0 14px;font-weight:600}
.guide h2{font-size:20px;letter-spacing:-.01em;margin:40px 0 12px;font-weight:600}
.guide h2.guide-title{font-size:26px;margin:4px 0 14px;letter-spacing:-.015em}
.guide h3{font-size:16px;margin:22px 0 6px;font-weight:600}
.guide p,.guide li{text-wrap:pretty}
.eyebrow{margin:0;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.lede{font-size:17px;line-height:1.6;margin:0 0 20px}
.crumbs ol{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-wrap:wrap;gap:6px;font-family:var(--mono);font-size:12px;color:var(--mute)}
.crumbs li+li::before{content:"/";margin-right:6px}
.crumbs a{color:var(--mute);text-decoration:none}.crumbs a:hover{color:var(--ink)}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin:0 0 8px}
.facts div{background:var(--panel);padding:12px 14px}
.facts dt{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--mute)}
.facts dd{margin:2px 0 0;font-size:14px}
.steps{padding-left:22px}.steps li{margin:6px 0}
pre.io{margin:8px 0 14px;padding:14px 16px;background:var(--soft);border:1px solid var(--line);font-family:var(--mono);font-size:13px;line-height:1.55;white-space:pre-wrap;word-break:break-word;overflow:auto;max-height:360px}
pre.io.out{background:var(--panel)}
table.kv{width:100%;border-collapse:collapse;border:1px solid var(--line);font-size:14px}
table.kv th,table.kv td{text-align:left;vertical-align:top;padding:9px 12px;border-bottom:1px solid var(--line)}
table.kv th{width:38%;font-weight:500;color:var(--mute);background:var(--panel)}
table.kv td{font-family:var(--mono);font-size:13px;word-break:break-word}
table.kv tr.hl th,table.kv tr.hl td{color:var(--ink);font-weight:600;background:var(--soft)}
.faq .qa{border-top:1px solid var(--line)}.faq .qa:last-child{border-bottom:1px solid var(--line)}
.faq h3{margin:14px 0 4px}.faq p{margin:0 0 14px;color:var(--ink)}
.tool-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.tool-list a{display:grid;grid-template-columns:auto 1fr;column-gap:10px;row-gap:2px;align-items:baseline;height:100%;padding:14px 16px;background:var(--panel);color:var(--ink);text-decoration:none}
.tool-list a:hover{background:var(--soft)}
.tool-list .dot{width:8px;height:8px;align-self:center}
.tool-list strong{font-weight:600;font-size:15px}
.tool-list a span:last-child{grid-column:2;font-size:13px;line-height:1.45;color:var(--mute)}
.tool-list.compact a{padding:10px 14px}
.dot{display:inline-block;width:8px;height:8px}
.cat-block h3{display:flex;align-items:center;gap:10px;font-size:18px;margin:34px 0 4px}
.cat-block h3 a{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.cat-block h3 a:hover{text-decoration:underline}
.cat-block .n{font-family:var(--mono);font-size:12px;color:var(--mute);font-weight:400}
.cat-block>p{margin:0 0 12px;color:var(--mute);font-size:14px}
.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.chips a{display:inline-flex;height:34px;align-items:center;padding:0 12px;border:1px solid var(--line);background:var(--panel);color:var(--ink);text-decoration:none;font-size:14px}
.chips a:hover{border-color:var(--ink)}
.more{font-family:var(--mono);font-size:13px}
.updated{margin-top:36px;font-family:var(--mono);font-size:12px;color:var(--mute)}
kbd{font-family:var(--mono);font-size:12px;padding:1px 6px;border:1px solid var(--line);background:var(--soft)}

.site-foot{border-top:1px solid var(--line);padding:36px 0 28px;background:var(--panel)}
.site-foot .wrap{display:grid;grid-template-columns:1.2fr 2fr 1fr;gap:28px}
.site-foot h2{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);margin:0 0 10px;font-weight:500}
.site-foot ul{list-style:none;margin:0;padding:0;font-size:14px}
.site-foot li{margin:4px 0}
.site-foot a{color:var(--ink);text-decoration:none}.site-foot a:hover{text-decoration:underline}
.foot-cats{columns:2;column-gap:24px}.foot-cats span{font-family:var(--mono);font-size:11px;color:var(--mute)}
.foot-brand p{color:var(--mute);font-size:13px;margin:10px 0 0}
.site-foot .foot-note{display:block;margin-top:24px;font-family:var(--mono);font-size:11px;color:var(--mute)}
@media (max-width:800px){.site-foot .wrap{grid-template-columns:1fr}}

/* Phone-width fixes for the app itself (the design export is desktop-first;
   its inline styles need !important to override). */
@media (max-width:720px){
  #dc-root header{flex-wrap:wrap!important;height:auto!important;padding:10px 16px!important;gap:10px!important}
  #dc-root header>span{display:none!important}
  #dc-root header>div:first-of-type{order:3;flex:1 1 100%!important;max-width:none!important;margin-left:0!important}
  #dc-root header>div:last-child{margin-left:auto;flex-wrap:wrap;justify-content:flex-end;flex:1 1 auto!important;max-width:100%;gap:6px!important}
  #dc-root header>div:last-child>button[title="Keyboard shortcuts"]{display:none!important}
  #dc-root main{padding:16px!important}
  #dc-root aside{padding:20px 16px!important;border-left:0!important;border-top:1px solid var(--line)}
}

/* blog */
.guide-link{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:baseline;margin:0 0 16px;padding:12px 14px;border:1px solid var(--line);border-left:3px solid var(--c-text);background:var(--panel);font-size:15px}
.guide-link span{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.post-list{list-style:none;margin:0;padding:0;display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.post-list a{display:grid;gap:6px;padding:18px 20px;background:var(--panel);color:var(--ink);text-decoration:none}
.post-list a:hover{background:var(--soft)}
.post-list strong{font-size:18px;line-height:1.3;letter-spacing:-.01em}
.post-list a>span:last-child{font-size:14px;color:var(--mute);line-height:1.5}
.post-meta{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;color:var(--mute)}
.pager{display:flex;justify-content:space-between;align-items:center;margin:20px 0;font-family:var(--mono);font-size:13px;color:var(--mute)}
.post .guide-head{margin-bottom:20px}
.post .guide-head h1{font-size:clamp(28px,5vw,40px)}
.post .eyebrow a{text-decoration:none}
.tool-cta{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin:24px 0;padding:18px 20px;border:1px solid var(--line);background:var(--panel)}
.tool-cta p{margin:0}.tool-cta>div{display:grid;gap:4px;flex:1 1 320px}
.tool-cta-name{font-size:18px;font-weight:600}
.tool-cta>div>p:last-child{color:var(--mute);font-size:14px}
.btn{display:inline-flex;align-items:center;height:40px;padding:0 16px;background:var(--ink);color:var(--bg)!important;text-decoration:none;font-family:var(--mono);font-size:13px;white-space:nowrap}
.btn:hover{opacity:.88}
.toc{margin:0 0 28px;padding:14px 18px;border:1px solid var(--line)}
.toc ol{margin:8px 0 0;padding-left:20px;font-size:14px}.toc li{margin:4px 0}
.prose{font-size:16.5px;line-height:1.7}
.prose h2{font-size:24px;margin:44px 0 12px;scroll-margin-top:16px}
.prose h3{font-size:18px;margin:28px 0 8px;scroll-margin-top:16px}
.prose p,.prose ul,.prose ol{margin:0 0 16px}
.prose li{margin:6px 0}
.prose code{font-family:var(--mono);font-size:.88em;padding:1px 5px;background:var(--soft);border:1px solid var(--line)}
.prose pre{margin:0 0 18px;padding:14px 16px;background:var(--soft);border:1px solid var(--line);overflow:auto;font-size:13px;line-height:1.55}
.prose pre code{padding:0;border:0;background:none;font-size:inherit}
.prose table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:14.5px;display:block;overflow-x:auto}
.prose th,.prose td{text-align:left;vertical-align:top;padding:8px 12px;border:1px solid var(--line)}
.prose th{background:var(--panel);font-weight:600}
.prose blockquote{margin:0 0 18px;padding:4px 16px;border-left:3px solid var(--line);color:var(--mute)}
.prose img{max-width:100%;height:auto}

/* ---- Brands (src/brand/brand.js) ---- */
.bk{display:grid;gap:22px;color:var(--ink);font-family:var(--sans)}
.bk h1{margin:0;font-size:30px;font-weight:600;letter-spacing:-.015em}
.bk h2{margin:0;font-size:17px;font-weight:600}
.bk-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.bk-head p{margin:4px 0 0;color:var(--mute);font-size:14px;max-width:640px}
.bk-signin{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:10px 12px;border:1px dashed var(--line);font-family:var(--mono);font-size:12px;color:var(--mute)}
.bk-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.bk-row.bk-tight{gap:4px}
.bk-btn{height:32px;padding:0 12px;display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px;background:transparent;color:var(--ink);border:1px solid var(--line);cursor:pointer;text-decoration:none;white-space:nowrap}
.bk-btn:hover{border-color:var(--ink)}
.bk-btn.ink{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.bk-btn.bad{color:var(--bad);border-color:var(--bad)}
.bk-btn.icon{width:32px;padding:0;justify-content:center}
.bk-btn:disabled{opacity:.35;cursor:default}
.bk-input{width:100%;height:36px;padding:0 10px;font-family:var(--sans);font-size:14px;background:var(--panel);color:var(--ink);border:1px solid var(--line);outline:none;border-radius:0}
textarea.bk-input{height:auto;padding:9px 10px;line-height:1.5;resize:vertical}
select.bk-input{font-family:var(--mono);font-size:12px;cursor:pointer;padding:0 6px}
.bk-input:focus{border-color:var(--ink)}
.bk-input.err{border-color:var(--bad)}
.bk-mono{font-family:var(--mono)!important;font-size:13px!important}
.bk-narrow{width:auto;min-width:170px}
.bk-label{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--mute);display:flex;gap:8px;align-items:baseline}
.bk-label em{font-style:normal;text-transform:none;letter-spacing:0;opacity:.8}
.bk-note{font-family:var(--mono);font-size:12px;color:var(--mute);line-height:1.5;margin:0}
.bk-field{display:grid;gap:6px}
.bk-form{display:grid;gap:14px}
.bk-section{border:1px solid var(--line);background:var(--panel);padding:18px;display:grid;gap:14px;min-width:0}
.bk-section-head{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:flex-start}
.bk-section-head p{margin:4px 0 0;color:var(--mute);font-size:13px;line-height:1.5;max-width:560px}
.bk-grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px;align-items:start}
.bk-grid2.wide-left{grid-template-columns:minmax(0,1.35fr) minmax(300px,1fr)}
.bk-grid2.tight{gap:14px}
@media (max-width:980px){.bk-grid2.wide-left{grid-template-columns:1fr}}
.bk-bar{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center}
.bk-pills{display:flex;flex-wrap:wrap;gap:6px}
.bk-pills button{height:30px;padding:0 12px;display:inline-flex;gap:8px;align-items:center;font-family:var(--mono);font-size:12px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}
.bk-pills button.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.bk-mini{display:inline-flex}.bk-mini i{width:8px;height:14px;display:block}
.bk-tabs{display:flex;flex-wrap:wrap;border:1px solid var(--line);margin-bottom:18px;align-items:center;background:var(--panel)}
.bk-tabs button{height:38px;padding:0 14px;font-family:var(--mono);font-size:12px;border:none;border-right:1px solid var(--line);background:transparent;color:var(--mute);cursor:pointer}
.bk-tabs button.on{background:var(--ink);color:var(--bg)}
.bk-status{margin-left:auto;padding:0 12px;font-family:var(--mono);font-size:11px;color:var(--mute)}
.bk-empty{border:1px dashed var(--line);padding:36px;display:grid;gap:12px;max-width:720px}
.bk-empty p{margin:0;color:var(--mute);line-height:1.6}
.bk-progress{height:6px;background:var(--soft)}.bk-progress span{display:block;height:100%;background:var(--ok);transition:width .4s}
.bk-check{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:14px}
.bk-check li{display:flex;gap:10px;color:var(--mute)}.bk-check li.ok{color:var(--ink)}.bk-check li.ok span{color:var(--ok)}
.bk-mini-palette{display:flex;height:34px;border:1px solid var(--line)}.bk-mini-palette span{flex:1}
/* colors */
.bk-stack{display:grid;gap:18px}
.bk-colors{display:grid;gap:8px;container-type:inline-size}
.bk-wheel-wrap{display:flex;flex-wrap:wrap;gap:18px;align-items:center}.bk-wheel-wrap>.bk-wheel{flex:0 1 360px}.bk-wheel-wrap>.bk-wheel-ctl{flex:1 1 260px}
.bk-color{display:grid;grid-template-columns:40px minmax(90px,1fr) 104px 120px minmax(120px,1.4fr) auto;gap:6px;align-items:center}
@container (max-width:720px){.bk-color{grid-template-columns:40px 1fr 1fr;padding-bottom:8px;border-bottom:1px dashed var(--line)}.bk-color .bk-note-in,.bk-color>select,.bk-color>.bk-row{grid-column:1/-1}}
@container (max-width:720px){.bk-scale{grid-template-columns:repeat(6,1fr)}}
.bk-swatch{width:40px;height:36px;border:1px solid var(--line);position:relative;cursor:pointer;background-image:repeating-conic-gradient(var(--soft) 0 25%,transparent 0 50%);background-size:10px 10px}
.bk-swatch input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.bk-scale{grid-column:1/-1;display:grid;grid-template-columns:repeat(11,1fr);border:1px solid var(--line)}
.bk-scale button{border:0;height:54px;cursor:pointer;font-family:var(--mono);font-size:9px;display:grid;align-content:center;gap:2px;padding:0}
.bk-scale button b{font-size:11px}

.bk-add{padding-top:6px;border-top:1px dashed var(--line)}
.bk-wheel{position:relative;display:grid;justify-items:center;padding:6px 0}
.bk-wheel canvas{display:block;max-width:100%;touch-action:manipulation}
.bk-tip{position:absolute;transform:translate(-50%,calc(-100% - 14px));background:var(--ink);color:var(--bg);font-family:var(--mono);font-size:11px;padding:6px 8px;display:flex;gap:6px;align-items:center;white-space:nowrap;pointer-events:none;z-index:2}
.bk-tip b{font-weight:500;opacity:.8}.bk-tip em{font-style:normal;opacity:.6}
.bk-chip{display:inline-block;width:12px;height:12px;border:1px solid rgba(127,127,127,.4);vertical-align:-2px;margin-right:6px}
.bk-wheel-ctl{display:grid;gap:10px}
.bk-harm{display:flex;flex-wrap:wrap;gap:6px}
.bk-harm button,.bk-extract button{display:inline-flex;gap:6px;align-items:center;height:30px;padding:0 10px;font-family:var(--mono);font-size:12px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}
.bk-harm button span,.bk-extract button span{width:14px;height:14px;display:block}
.bk-harm em{font-style:normal;color:var(--mute)}
.bk-sugg{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.bk-sugg-card{background:var(--panel);display:grid;grid-template-rows:auto 1fr}
.bk-sugg-sw{height:70px;display:flex;align-items:flex-end;padding:8px 10px;font-family:var(--mono);font-size:12px}
.bk-sugg-body{padding:12px;display:grid;gap:6px;align-content:start}
.bk-sugg-body p{margin:0;font-size:13px;line-height:1.5;color:var(--mute)}
.bk-sugg-body .bk-btn{justify-self:start;margin-top:4px}
.bk-kind{font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--mute)}
.bk-kind.gap{color:var(--c-marketing)}.bk-kind.role{color:var(--c-security)}.bk-kind.harmony{color:var(--c-ai)}
/* logos */
.bk-logos{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.bk-logo{border:1px solid var(--line);display:grid}
.bk-logo-stage{height:170px;display:grid;place-items:center;padding:22px;border-bottom:1px solid var(--line)}
.bk-logo-stage img{max-width:100%;max-height:120px;object-fit:contain}
.bk-logo-meta{padding:10px;display:grid;gap:8px}
.bk-extract{display:flex;flex-wrap:wrap;gap:6px}
.bk-bgpick{gap:6px}
.bk-bgbtn{display:inline-flex;gap:6px;align-items:center;height:28px;padding:0 8px;font-family:var(--mono);font-size:11px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}
.bk-bgbtn span{width:14px;height:14px;border:1px solid rgba(127,127,127,.4)}
.bk-bgbtn.on{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.bk-empty-drop{grid-column:1/-1;border:1px dashed var(--line);padding:32px;text-align:center;font-family:var(--mono);font-size:12px;color:var(--mute);cursor:pointer}
/* type */
.bk-fonts{display:grid;gap:12px}
.bk-font{border:1px solid var(--line);padding:12px;display:grid;gap:12px}
.bk-font-form{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.bk-font-preview{padding:12px 14px;background:var(--soft);font-size:16px;line-height:1.5;overflow-wrap:anywhere}
.bk-font-big{font-size:34px;line-height:1.2}
.bk-scale-demo{border:1px solid var(--line);padding:18px;display:grid;gap:14px;overflow:hidden}
.bk-scale-row{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:baseline}
.bk-scale-row>div{overflow-wrap:anywhere}
@media (max-width:640px){.bk-scale-row{grid-template-columns:1fr;gap:4px}}
/* a11y */
.bk-a11y-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}
.bk-a11y-card{padding:14px;display:grid;gap:4px;min-height:96px;align-content:end;font-size:13px;border:1px solid rgba(127,127,127,.25)}
.bk-a11y-card strong{font-size:15px}
.bk-badge{justify-self:start;font-family:var(--mono);font-size:10px;letter-spacing:.04em;padding:2px 6px;border:1px solid currentColor;background:rgba(255,255,255,.85);color:#17181a!important}
.bk-badge.ok{background:#d9f5e1}.bk-badge.mid{background:#fdf0cc}.bk-badge.bad{background:#fbdcdc}
.bk-matrix-wrap{overflow-x:auto;border:1px solid var(--line)}
.bk-matrix{border-collapse:collapse;font-size:12px;min-width:100%}
.bk-matrix th{font-family:var(--mono);font-weight:500;text-align:left;padding:8px;border:1px solid var(--line);background:var(--panel);white-space:nowrap}
.bk-matrix td{padding:8px;border:1px solid var(--line);text-align:center;min-width:92px}
.bk-matrix td b{display:block;font-size:18px}
.bk-matrix td span{display:block;font-family:var(--mono);font-size:11px;margin:2px 0 4px}
.bk-matrix td .bk-badge{display:inline-block}
.bk-matrix td.same{color:var(--mute);background:var(--soft)}
.bk-pairs{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.bk-pairs>div{padding:16px;display:grid;gap:4px;border:1px solid rgba(127,127,127,.25)}
.bk-pairs span{font-family:var(--mono);font-size:12px;opacity:.85}
/* export + share */
.bk-code{margin:0;max-height:420px;overflow:auto;padding:14px 16px;background:var(--soft);border:1px solid var(--line);font-family:var(--mono);font-size:12px;line-height:1.6;white-space:pre}
.bk-share{display:grid;gap:12px}
.bk-toggle{display:inline-flex;gap:8px;align-items:center;font-family:var(--mono);font-size:12px;cursor:pointer}
.bk-toggle input{width:18px;height:18px;accent-color:var(--ink)}
.bk-guide-frame{margin-top:18px;border:1px solid var(--line)}
.bk-public-wrap{max-width:1040px}
.bk-public-bar{justify-content:flex-end;margin-bottom:16px}
/* guide document */
.bk-guide{background:var(--g-bg,#fff);color:var(--g-ink,#17181a);padding:clamp(20px,5vw,56px);display:grid;gap:44px}
.bk-g-cover{display:grid;gap:10px;padding-bottom:36px;border-bottom:4px solid var(--g-accent)}
.bk-g-cover h1{font-size:clamp(34px,6vw,64px);line-height:1.05;margin:0;letter-spacing:-.02em}
.bk-g-cover p{margin:0;max-width:680px;line-height:1.6;font-size:16px}
.bk-g-logo{max-width:220px;max-height:110px;object-fit:contain;justify-self:start;margin-bottom:14px}
.bk-g-eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;opacity:.7;margin:0}
.bk-g-tagline{font-size:22px!important;font-weight:500}
.bk-g-meta{font-family:var(--mono);font-size:12px!important;opacity:.7}
.bk-g-sec{display:grid;gap:18px}
.bk-g-sec h2{font-size:28px;margin:0;letter-spacing:-.01em}
.bk-g-logos{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.bk-g-logos figure{margin:0;display:grid;gap:6px}
.bk-g-stage{height:150px;display:grid;place-items:center;padding:20px;border:1px solid rgba(127,127,127,.25)}
.bk-g-stage img{max-width:100%;max-height:100px;object-fit:contain}
.bk-g-logos figcaption{font-family:var(--mono);font-size:11px;opacity:.7}
.bk-g-onbrand{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px}
.bk-g-onbrand div{height:110px;display:grid;place-items:center;padding:18px}
.bk-g-onbrand img{max-width:100%;max-height:70px;object-fit:contain}
.bk-g-rules{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:0}
.bk-g-rules dt,.bk-g-color dt{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;opacity:.65}
.bk-g-rules dd{margin:4px 0 0;line-height:1.5}
.bk-g-colors{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.bk-g-color{display:grid;gap:8px;align-content:start}
.bk-g-sw{height:150px;padding:14px;display:grid;align-content:end;gap:2px;border:1px solid rgba(127,127,127,.2)}
.bk-g-sw strong{font-size:18px}.bk-g-sw span{font-family:var(--mono);font-size:11px;opacity:.85}
.bk-g-color dl{margin:0;display:grid;gap:4px}
.bk-g-color dl div{display:flex;justify-content:space-between;gap:8px}
.bk-g-color dd{margin:0;font-family:var(--mono);font-size:12px}
.bk-g-color p{margin:0;font-size:13px;line-height:1.5;opacity:.8}
.bk-g-scale{display:grid;grid-template-columns:repeat(11,1fr);height:22px}
.bk-g-type{display:grid;gap:24px}
.bk-g-spec{font-size:clamp(30px,5vw,48px);line-height:1.15}
.bk-g-adj{display:flex;flex-wrap:wrap;gap:8px}
.bk-g-adj span{padding:6px 12px;border:1px solid currentColor;font-size:14px}
.bk-guide blockquote{margin:0;padding-left:18px;border-left:4px solid var(--g-accent);font-size:20px;line-height:1.5}
.bk-g-dodont{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.bk-g-dodont h3{margin:0 0 6px;font-size:15px}
.bk-g-dodont p{margin:0;line-height:1.6;white-space:pre-line}
.bk-g-foot{font-family:var(--mono);font-size:11px;opacity:.6}
.bk-g-foot a{color:inherit}
@media print{
  body.bk-printing *{visibility:hidden!important}
  body.bk-printing .bk-guide,body.bk-printing .bk-guide *{visibility:visible!important}
  body.bk-printing .bk-guide{position:absolute;left:0;top:0;width:100%;padding:0}
  body.bk-printing{background:#fff!important}
  .bk-g-sec,.bk-g-color,.bk-g-logos figure{break-inside:avoid}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}