.kb-main{padding-top:40px;padding-bottom:70px}.kb-heading{max-width:850px;margin:20px 0 32px}.kb-heading h1{font-size:clamp(30px,4vw,54px);line-height:1.25;letter-spacing:-1.6px;overflow-wrap:anywhere}.kb-lead{max-width:650px;font-size:19px;color:var(--text-2)}.kb-meta,.kb-breadcrumbs{font-size:14px;color:var(--text-2)}.kb-breadcrumbs{display:flex;flex-wrap:wrap;gap:8px}.kb-breadcrumbs a,.kb-prose a,.kb-toc a,.kb-pagination a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.kb-draft{border:1px solid var(--border-strong);border-left:4px solid var(--accent);border-radius:10px;background:var(--surface);padding:20px 24px;max-width:850px;margin-bottom:40px}.kb-draft strong{font-size:16px}.kb-draft p{margin:6px 0 0;color:var(--text-2);max-width:720px}.kb-section{max-width:1000px}.kb-section>p{color:var(--text-2)}.kb-section>h2{font-size:28px}.kb-cards{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.kb-card{height:100%;border-top:2px solid var(--border-strong);padding:26px 0;display:flex;flex-direction:column;align-items:start;gap:10px}.kb-card .eyebrow{margin:0;color:var(--text-2)}.kb-card h2{font-family:Onest,system-ui,sans-serif;font-size:25px;line-height:1.3;letter-spacing:-.5px;margin:0}.kb-card p{color:var(--text-2)}.kb-read{margin-top:auto;color:var(--accent);padding:10px 0;font-weight:650}.kb-layout{display:grid;grid-template-columns:250px minmax(0,720px);gap:60px;align-items:start}.kb-toc{position:sticky;top:24px}.kb-toc h2{font-family:Onest,system-ui,sans-serif;font-size:16px;letter-spacing:0}.kb-toc ol{padding-left:20px;margin:0}.kb-toc li{margin:0 0 12px;font-size:14px;line-height:1.5}.kb-prose{font-size:18px;line-height:1.8;min-width:0;overflow-wrap:anywhere}.kb-prose p{margin:0 0 22px}.kb-prose h2{font-family:Onest,system-ui,sans-serif;font-size:29px;line-height:1.35;letter-spacing:-.5px;margin:44px 0 18px;scroll-margin-top:24px}.kb-prose h2:first-child{margin-top:0}.kb-prose h3{margin-top:32px}.kb-prose li{margin:12px 0}.kb-prose ul,.kb-prose ol{padding-left:25px}.kb-prose code{font-family:"JetBrains Mono",monospace;font-size:.86em;background:var(--surface-2);padding:2px 5px;border-radius:4px}.kb-prose pre{overflow:auto;max-width:100%;background:var(--surface-2);padding:20px;border-radius:10px}.kb-prose pre code{padding:0}.kb-answer,.kb-clarification{border:1px solid var(--border-strong);border-radius:10px;padding:0 20px;margin:24px 0}.kb-answer summary,.kb-clarification summary{cursor:pointer;padding:18px 0;font-weight:650;line-height:1.5;min-height:44px}.kb-answer summary:focus-visible,.kb-clarification summary:focus-visible{outline:3px solid var(--focus);outline-offset:5px}.kb-answer p,.kb-clarification p{margin:0 0 20px}.kb-note{padding:20px;background:var(--surface-2);border-radius:10px;margin:24px 0}.kb-pagination{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;border-top:1px solid var(--border-strong);padding:28px 0;margin-top:44px;max-width:1030px}.kb-pagination a{max-width:45%;padding:10px 0}.kb-page .header nav{flex-wrap:wrap;gap:20px}.kb-page .footer{border-top:1px solid var(--border)}
@media(max-width:1050px){.kb-layout{grid-template-columns:210px minmax(0,1fr);gap:30px}}
.kb-visual{margin:28px 0 36px;padding:26px;border:1px solid var(--border-strong);border-radius:18px;background:var(--surface);font-size:16px;line-height:1.6;box-shadow:var(--shadow)}
.kb-example{margin:24px 0;padding:24px;border:1px solid var(--border-strong);border-top:4px solid var(--accent);border-radius:12px;background:var(--surface)}.kb-prose .kb-example h3{margin:0 0 20px;font-size:22px;line-height:1.4;color:var(--text)}.kb-example p{font-size:16px;line-height:1.75}.kb-prose .kb-example p:last-child{margin-bottom:0}.kb-example p>strong:first-child{color:var(--accent)}
.kv-values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-top:14px}.kv-values>span{border:1px dashed var(--border-strong);border-radius:8px;background:var(--surface);padding:12px 3px;text-align:center;font:600 19px "JetBrains Mono",monospace}.kv-values small{display:block;font:12px Onest,sans-serif;margin-top:8px}.kv-values>.kv-value-valid{background:var(--ok-soft);border:2px solid var(--ok)}
.kb-visual figcaption{display:grid;gap:8px;margin-bottom:22px}.kb-visual figcaption>strong{font-size:25px;line-height:1.3;letter-spacing:-.5px}.kv-label{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.6px;text-transform:uppercase;color:var(--accent);display:block}.kb-prose .kv-caption{font-size:13px;color:var(--text-2);margin:18px 0 0}.kv-quote{font-size:21px;line-height:1.5;border-left:3px solid var(--accent);padding:12px 18px;background:var(--accent-soft);margin-bottom:20px}.kv-quote mark{background:var(--spark);color:var(--on-spark);padding:1px 4px}.kv-columns{display:grid;grid-template-columns:1fr 1fr;gap:14px}.kv-panel{padding:18px;border:1px solid var(--border);border-radius:12px;background:var(--surface-2);min-width:0}.kv-solid{border:2px solid var(--accent);background:var(--accent-soft)}.kv-dashed{border:2px dashed var(--border-strong);background:var(--surface)}.kv-tag{display:block;font-size:12px;font-weight:650;line-height:1.5;color:var(--text-2);margin-bottom:10px}.kb-prose .kv-panel h3{font-size:18px;line-height:1.4;margin:0 0 10px}.kb-prose .kv-panel p{margin:0}.kb-prose .kv-panel ul{font-size:15px;padding-left:18px;margin:0}.kb-prose .kv-panel li{margin:6px 0}
.kb-prose .kv-flow{padding:0;margin:0;list-style:none;display:grid;gap:0}.kb-prose .kv-flow li{display:flex;gap:18px;margin:0;position:relative;padding:0 0 24px}.kv-flow li:not(:last-child):before{content:"";position:absolute;left:18px;top:38px;bottom:0;border-left:2px dashed var(--border-strong)}.kv-flow li:last-child{padding-bottom:0}.kv-step{flex:0 0 38px;height:38px;display:grid;place-items:center;border-radius:50%;background:var(--primary);color:var(--on-primary);font:600 15px "JetBrains Mono",monospace}.kb-prose .kv-flow p{margin:4px 0 0;color:var(--text-2)}.kv-key{padding:24px 26px;background:var(--accent-soft);border-left:4px solid var(--accent);border-radius:0 16px 16px 0;margin:30px 0}.kv-key>strong{display:block;font-size:25px;line-height:1.4;margin:10px 0 14px}.kb-prose .kv-key p{margin:0;font-size:16px}.kv-equation{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px;font-size:13px}.kv-equation span{padding:7px 10px;border:1px solid var(--accent);border-radius:6px}
.kv-gate{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}.kv-filter{display:flex;align-items:center;gap:14px;font-size:17px}.kv-filter>span{color:var(--accent);font-size:35px}.kv-range{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:6px}.kv-region{display:flex;flex-direction:column;align-items:center;text-align:center;padding:20px 8px;border-radius:10px;border:1px dashed var(--border-strong);background:var(--surface-2);min-width:0}.kv-region>strong{font:600 23px "JetBrains Mono",monospace;white-space:nowrap}.kb-prose .kv-region p{margin:12px 0;color:var(--text-2);font-size:13px}.kv-region>b{font-size:12px;margin-top:14px}.kv-valid{background:var(--ok-soft);border:2px solid var(--ok)}.kv-valid .kv-tag{color:var(--ok)}.kv-dot{display:grid;place-items:center;width:44px;height:44px;border:2px solid var(--text);border-radius:50%;background:var(--surface);font:600 14px "JetBrains Mono",monospace}.kv-coverage{display:flex;gap:8px;background:var(--ok-soft);border:2px solid var(--ok);padding:16px;border-radius:10px;margin:14px 0}.kv-coverage span{flex:1;text-align:center;font-family:"JetBrains Mono",monospace;color:var(--text)}
.kv-lab label{display:block;font-weight:650;margin-bottom:8px}.kv-input-row{display:flex;gap:10px}.kv-input-row input{width:100%;min-width:0;background:var(--bg);color:var(--text);border:1px solid var(--border-strong);border-radius:8px;padding:12px;font:18px "JetBrains Mono",monospace}.kv-input-row button{border:0;border-radius:8px;background:var(--primary);color:var(--on-primary);font:600 15px Onest,sans-serif;padding:12px 18px;min-height:44px;cursor:pointer}.kv-lab input:focus-visible,.kv-lab button:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.kb-prose #class-help{font-size:13px;color:var(--text-2);margin:8px 0 18px}.kv-result{padding:18px;border:2px solid var(--accent);border-radius:12px;background:var(--accent-soft)}.kv-result>strong{display:block;font-size:20px;line-height:1.4}.kb-prose .kv-result p{font-size:14px;margin:10px 0 0}
@media(max-width:600px){.kb-visual{padding:18px;margin:24px 0;border-radius:14px}.kb-visual figcaption>strong,.kv-key>strong{font-size:22px}.kv-columns,.kv-gate{grid-template-columns:1fr}.kv-filter>span{transform:rotate(90deg)}.kv-range{grid-template-columns:1fr}.kv-region{display:grid;grid-template-columns:1fr auto;text-align:left;gap:8px 14px;padding:16px;align-items:center}.kv-region .kv-tag,.kv-region>b{grid-column:1/-1;margin:0}.kv-region>strong{font-size:24px}.kb-prose .kv-region p{margin:0;font-size:13px}.kv-dot{grid-column:2;grid-row:2/4}.kv-region>strong{grid-column:1;grid-row:2}.kv-region p{grid-column:1;grid-row:3}.kv-key{padding:20px}.kv-input-row{flex-wrap:wrap}.kv-input-row button{width:100%}.kv-quote{font-size:18px;padding:12px}.kv-flow li{gap:12px}}
@media(max-width:850px){.kb-main{padding-top:20px}.kb-layout{grid-template-columns:1fr;gap:28px}.kb-toc{position:static;border-bottom:1px solid var(--border);padding-bottom:18px}.kb-prose{font-size:17px}.kb-toc ol{columns:2;column-gap:24px}.kb-toc li{break-inside:avoid}.kb-heading h1{letter-spacing:-1px}.kb-page .header{flex-wrap:wrap;gap:8px;padding-top:20px;padding-bottom:16px}.kb-page .header nav{gap:24px}}
@media(max-width:600px){.kb-cards{grid-template-columns:1fr;gap:0}.kb-toc ol{columns:1}.kb-heading h1{font-size:32px}.kb-prose h2{font-size:25px}.kb-draft{padding:16px}.kb-draft p{font-size:14px}.kb-lead{font-size:17px}.kb-pagination{flex-direction:column;gap:8px}.kb-pagination a{max-width:100%}.kb-page .header .brand{font-size:20px}.kb-card h2{font-size:23px}}