.ai-page{--ai-accent:#0a7067;--ai-purple:#7052b1;--ai-tint:color-mix(in srgb, var(--ai-accent) 6%, var(--color-bg));--ai-line:color-mix(in srgb, var(--color-text) 16%, var(--color-bg));width:100%;max-width:1180px;color:var(--color-text);margin-inline:auto;padding:42px clamp(20px,4vw,56px) 64px}[data-theme=dark] .ai-page{--ai-accent:#69d0b9;--ai-purple:#b6a0ef}.ai-page *,.ai-page :before,.ai-page :after{box-sizing:border-box}.ai-page :is(h1,h2,h3,h4,p,figure){margin:0}.ai-page p{color:var(--color-muted);line-height:1.8}.ai-page p+p{margin-top:16px}.ai-page h1{letter-spacing:-.055em;margin-block:16px 24px;font-size:clamp(42px,6.3vw,76px);line-height:1.08}.ai-page h1 span{color:var(--ai-accent)}.ai-page h2{letter-spacing:-.035em;text-wrap:balance;max-width:27ch;margin-block:12px 20px;font-size:clamp(28px,3.5vw,41px);line-height:1.18}.ai-page h3{letter-spacing:-.02em;margin-bottom:14px;font-size:clamp(19px,2.1vw,25px);line-height:1.3}.ai-page h4{margin-block:12px;font-size:20px;line-height:1.35}.ai-page>section>h3{margin-top:32px}.ai-page a{color:var(--ai-accent);text-underline-offset:5px}.ai-page a:hover{text-decoration-thickness:2px}.ai-page strong{color:var(--color-text)}.ai-page .ai-eyebrow{color:var(--ai-accent);letter-spacing:.1em;font:700 11px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;display:block}.ai-page .ai-small,.ai-page .ai-source{font-size:13px;line-height:1.75}.ai-page .ai-source{margin-top:12px;display:inline-block}.ai-page .ai-back{align-items:center;min-height:44px;font-size:14px;display:inline-flex}.ai-page .ai-hero{grid-template-columns:1.45fr 1fr;align-items:center;gap:48px;padding-block:45px 40px;display:grid}.ai-page .ai-lead{max-width:59ch;font-size:18px}.ai-page .ai-hero-actions{flex-wrap:wrap;align-items:center;gap:20px;margin-top:28px;font-size:14px;font-weight:600;display:flex}.ai-page .ai-button{background:var(--ai-accent);min-height:48px;color:var(--color-bg);border-radius:8px;align-items:center;padding:12px 20px;text-decoration:none;display:inline-flex}.ai-page .ai-hero-map{border:1px solid var(--ai-line);background:var(--ai-tint);border-radius:20px;padding:26px;position:relative}.ai-page .ai-hero-map>div{align-items:center;gap:18px;padding-block:17px;display:flex;position:relative}.ai-page .ai-hero-map>div:not(:last-child):after{content:"";background:var(--ai-line);width:1px;position:absolute;top:54px;bottom:-9px;left:18px}.ai-page .ai-hero-map>div>span{border:1px solid var(--ai-line);background:var(--color-bg);width:38px;height:38px;color:var(--ai-accent);border-radius:50%;flex:0 0 38px;place-items:center;font:12px ui-monospace,monospace;display:grid}.ai-page .ai-hero-map>div:first-child>span{color:var(--color-bg);background:var(--ai-accent)}.ai-page .ai-hero-map strong,.ai-page .ai-hero-map small{display:block}.ai-page .ai-hero-map small{color:var(--color-muted);margin-top:3px;font-size:12px}.ai-page .ai-overview-meta{border-block:1px solid var(--ai-line);color:var(--color-muted);flex-wrap:wrap;gap:10px 24px;padding-block:18px;font-size:12px;display:flex}.ai-page .ai-contents{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;margin-top:24px;display:grid}.ai-page .ai-contents a{border-bottom:1px solid var(--ai-line);gap:14px;padding-block:13px;font-size:14px;text-decoration:none;display:flex}.ai-page .ai-contents a span{color:var(--color-muted);font:12px/1.8 ui-monospace,monospace}.ai-page .ai-contents a[aria-current=true]{color:var(--ai-accent);box-shadow:inset 0 -2px var(--ai-accent);font-weight:650}.ai-page .ai-contents a[aria-current=true] span{color:var(--ai-accent)}.ai-chapter-bar{pointer-events:none;z-index:30;top:calc(12px + env(safe-area-inset-top,0px));border:1px solid var(--ai-line);background:color-mix(in srgb, var(--color-surface) 88%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);width:max-content;max-width:min(620px,100vw - 112px);box-shadow:var(--shadow-soft);border-radius:999px;animation:.2s ease-out ai-chapter-bar-in;position:fixed;left:50%;overflow:hidden;transform:translate(-50%)}@keyframes ai-chapter-bar-in{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}.ai-chapter-bar-body{align-items:center;gap:14px;padding:10px 20px 11px;font-size:13px;display:flex}.ai-chapter-bar-body .ai-eyebrow{color:var(--ai-accent);flex:none}.ai-chapter-bar-body strong{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--color-text);overflow:hidden}.ai-chapter-bar-body a{pointer-events:auto;color:var(--color-muted);flex:none;margin-left:auto;font-size:12px;text-decoration:none}.ai-chapter-bar-body a:hover{color:var(--ai-accent)}.ai-chapter-bar-track{background:var(--ai-line);height:3px}.ai-chapter-bar-track>span{background:var(--ai-accent);height:100%;transition:width .12s linear;display:block}.ai-page .ai-chapter{width:100%;max-width:none;min-height:0;margin:76px 0 0;padding:0;scroll-margin-top:84px;display:block}.ai-page .ai-chapter-heading{margin-bottom:30px}.ai-page .ai-chapter-heading p{max-width:76ch}.ai-page .ai-timeline{margin:0;padding:0;list-style:none}.ai-page .ai-timeline>li{grid-template-columns:105px minmax(0,1fr);gap:24px;margin:0;padding:0 0 34px;display:grid;position:relative}.ai-page .ai-timeline>li:before{content:"";background:var(--ai-line);width:1px;position:absolute;top:12px;bottom:0;left:105px}.ai-page .ai-timeline>li:after{content:"";background:var(--ai-accent);border-radius:50%;width:9px;height:9px;position:absolute;top:9px;left:101px}.ai-page .ai-timeline>li:last-child:before{bottom:34px}.ai-page .ai-timeline-year{color:var(--ai-accent);font:600 13px/1.8 ui-monospace,monospace}.ai-page .ai-timeline article{padding-left:12px}.ai-page .ai-timeline h3{margin-top:8px}.ai-page .ai-history-lesson{border-left:2px solid var(--ai-line);margin-top:16px;padding-left:14px;font-size:14px}.ai-page .ai-callout{background:var(--ai-tint);border-left:3px solid var(--ai-accent);border-radius:0 12px 12px 0;margin-block:30px;padding:24px 28px}.ai-page .ai-callout>strong{margin-bottom:8px;font-size:18px;display:block}.ai-page .ai-card-grid,.ai-page .ai-trend-grid,.ai-page .ai-tool-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-block:28px;display:grid}.ai-page .ai-card-grid>article,.ai-page .ai-trend-grid>article,.ai-page .ai-tool-card{border:1px solid var(--ai-line);background:var(--color-surface);border-radius:14px;min-width:0;padding:24px}.ai-page .ai-card-grid .ai-eyebrow,.ai-page .ai-trend-grid .ai-eyebrow{margin-bottom:12px}.ai-page .ai-card-grid p,.ai-page .ai-trend-grid p{font-size:14px}.ai-page .ai-table-wrap{margin-block:28px;overflow-x:auto}.ai-page table{border-collapse:collapse;text-align:left;width:100%;font-size:14px;line-height:1.75}.ai-page th,.ai-page td{vertical-align:top;border-bottom:1px solid var(--ai-line);min-width:150px;padding:16px}.ai-page thead th{background:var(--ai-tint);font-size:12px}.ai-page td{color:var(--color-muted)}.ai-page caption{color:var(--color-muted);text-align:left;padding-bottom:14px}.ai-page .ai-definition-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-block:24px;display:grid}.ai-page .ai-definition-grid>div{border-top:1px solid var(--ai-line);padding-top:16px}.ai-page dt{margin-bottom:8px;font-weight:650}.ai-page dd{color:var(--color-muted);margin:0;font-size:14px;line-height:1.8}.ai-page .ai-process{counter-reset:ai-step;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin:28px 0;padding:0;list-style:none;display:grid}.ai-page .ai-process>li{counter-increment:ai-step;border-top:1px solid var(--ai-line);margin:0;padding-top:18px}.ai-page .ai-process>li:before{content:"0" counter(ai-step);color:var(--ai-accent);margin-bottom:12px;font:12px ui-monospace,monospace;display:block}.ai-page .ai-process strong{margin-bottom:8px;display:block}.ai-page .ai-process p{font-size:14px}.ai-page .ai-comparison{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-block:24px;display:grid}.ai-page .ai-comparison>article{border:1px solid var(--ai-line);background:var(--color-bg);border-radius:12px;min-width:0;padding:24px}.ai-page .ai-comparison h3{margin-top:14px}.ai-page .ai-lab{border:1px solid var(--ai-line);background:var(--ai-tint);border-radius:17px;margin-block:32px;padding:clamp(20px,3vw,32px)}.ai-page .ai-lab h3{margin-top:10px}.ai-page button{cursor:pointer;border:1px solid var(--ai-accent);background:var(--ai-accent);min-height:44px;color:var(--color-bg);border-radius:8px;padding:10px 16px;font:600 13px/1.5 system-ui,sans-serif}.ai-page button[aria-pressed=false],.ai-page .ai-secondary{background:var(--color-bg);color:var(--color-text);border-color:var(--ai-line)}.ai-page .ai-secondary{margin-top:20px}.ai-page .ai-choice-row{flex-wrap:wrap;gap:8px;margin-block:22px;display:flex}.ai-page .ai-map-layout{grid-template-columns:1.15fr 1fr;align-items:center;gap:28px;display:grid}.ai-page .ai-map-box{border:1px solid var(--ai-line);background:var(--color-bg);border-radius:10px;padding:18px}.ai-page .ai-map-box>strong,.ai-page .ai-map-box>span{display:block}.ai-page .ai-map-box>span{color:var(--color-muted);margin-top:4px;font-size:12px}.ai-page .ai-map-box .ai-map-box{margin-top:16px;margin-left:8px}.ai-page .ai-map-box.selected{border-color:var(--ai-accent);background:var(--ai-tint);box-shadow:inset 3px 0 var(--ai-accent)}.ai-page .ai-nested-map>p{margin-top:14px}.ai-page .ai-map-description{min-width:0}.ai-page .ai-map-description p{font-size:14px}.ai-page .ai-training-examples{grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin-top:22px;display:grid}.ai-page .ai-training-examples>div{border:1px solid var(--ai-line);background:var(--color-bg);text-align:center;border-radius:8px;padding:12px 8px}.ai-page .ai-training-examples strong,.ai-page .ai-training-examples span{display:block}.ai-page .ai-training-examples span{color:var(--color-muted);font-size:12px}.ai-page .ai-slider{margin-block:24px;font-size:14px;display:block}.ai-page .ai-slider>span{flex-wrap:wrap;justify-content:space-between;gap:12px;display:flex}.ai-page output{font-variant-numeric:tabular-nums;font-weight:650}.ai-page input[type=range]{cursor:pointer;width:100%;min-height:36px;accent-color:var(--ai-accent);margin:8px 0 0;display:block}.ai-page .ai-result{color:var(--ai-accent);margin-bottom:10px;font-size:26px;display:block}.ai-page .ai-token-bars{gap:16px;margin-block:26px;display:grid}.ai-page .ai-token-row{grid-template-columns:60px minmax(0,1fr) 70px;align-items:center;gap:14px;font-size:14px;display:grid}.ai-page .ai-token-row>div{background:var(--color-bg);border:1px solid var(--ai-line);border-radius:4px;height:16px;overflow:hidden}.ai-page .ai-token-row>div>span{background:var(--ai-accent);height:100%;transition:width .18s;display:block}.ai-page .ai-token-row output{text-align:right}.ai-page .ai-formula{border:1px solid var(--ai-line);background:var(--color-bg);overflow-wrap:anywhere;border-radius:8px;margin-block:24px;padding:16px;font:14px/1.8 ui-monospace,monospace}.ai-page .ai-metric-row{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-block:22px;display:grid}.ai-page .ai-metric-row>div{border:1px solid var(--ai-line);background:var(--color-bg);border-radius:10px;padding:14px 16px}.ai-page .ai-metric-row span{color:var(--color-muted);font-size:12px;line-height:1.5;display:block}.ai-page .ai-metric-row strong{font-variant-numeric:tabular-nums;margin-top:6px;font-size:20px;display:block}.ai-page .ai-metric-row>div.is-warning{border-color:var(--ai-purple)}.ai-page .ai-metric-row>div.is-warning strong{color:var(--ai-purple)}.ai-page .ai-lab-check{border-block-start:1px solid var(--ai-line);margin-top:22px}.ai-page .ai-lab-check>summary{padding-block:16px 14px}.ai-page .ai-lab-check>p{padding:0 0 4px}.ai-page .ai-lab-controls{flex-wrap:wrap;align-items:end;gap:12px 28px;margin-block:20px;display:flex}.ai-page .ai-lab-controls .ai-choice-row{margin-block:0}.ai-page .ai-select{gap:10px;font-size:14px;display:grid}.ai-page select{min-width:180px;min-height:44px;color:var(--color-text);background:var(--color-bg);border:1px solid var(--ai-line);font:inherit;cursor:pointer;border-radius:8px;padding:10px 14px}.ai-page code{background:var(--color-bg);border:1px solid var(--ai-line);border-radius:5px;padding:1px 5px;font:13px ui-monospace,SFMono-Regular,Consolas,monospace}.ai-page .ai-split-strip{grid-template-columns:repeat(12,minmax(0,1fr));gap:6px;margin:22px 0 14px;padding:0;list-style:none;display:grid}.ai-page .ai-split-strip>li{border:1px solid var(--ai-line);text-align:center;background:var(--color-bg);border-radius:7px;margin:0;padding:9px 2px}.ai-page .ai-split-strip strong,.ai-page .ai-split-strip span{font-variant-numeric:tabular-nums;display:block}.ai-page .ai-split-strip strong{font-size:13px}.ai-page .ai-split-strip span{color:var(--color-muted);margin-top:2px;font-size:10px}.ai-page .ai-split-strip>li.is-test{border-color:var(--ai-accent);background:color-mix(in srgb, var(--ai-accent) 16%, var(--color-bg))}.ai-page .ai-split-strip>li.is-test strong{color:var(--ai-accent)}.ai-page .ai-swatch{border:1px solid var(--ai-line);background:var(--color-bg);vertical-align:-1px;border-radius:3px;width:11px;height:11px;margin-right:3px;display:inline-block}.ai-page .ai-swatch.is-test{border-color:var(--ai-accent);background:color-mix(in srgb, var(--ai-accent) 16%, var(--color-bg))}.ai-page .ai-token-chips{border:1px solid var(--ai-line);background:var(--color-bg);border-radius:10px;flex-wrap:wrap;align-content:start;align-items:center;gap:6px;min-height:52px;margin-block:22px;padding:14px;display:flex}.ai-page .ai-chip{border:1px solid var(--ai-line);background:var(--color-surface);overflow-wrap:anywhere;border-radius:6px;padding:6px 9px;font:13px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace}.ai-page .ai-chip.is-continuation{color:var(--color-muted);border-style:dashed}.ai-page .ai-chip.is-single{border-color:var(--ai-purple);color:var(--ai-purple)}.ai-page .ai-chip em{opacity:.55;margin-right:1px;font-style:normal}.ai-page .ai-embedding-plot{min-width:0}.ai-page .ai-embedding-plot svg{width:100%;height:auto;overflow:visible}.ai-page .ai-embedding-plot figcaption{color:var(--color-muted);margin-top:12px;font-size:12px;line-height:1.7}.ai-page .ai-plot-axis{stroke:var(--ai-line);stroke-width:1px}.ai-page .ai-plot-ray{stroke:var(--ai-accent);stroke-width:2px}.ai-page .ai-plot-point circle{fill:var(--color-muted);opacity:.5}.ai-page .ai-plot-point text{fill:var(--color-muted);font:11px ui-monospace,monospace}.ai-page .ai-plot-point.is-near circle,.ai-page .ai-plot-point.is-near text{fill:var(--ai-purple);opacity:1}.ai-page .ai-plot-point.is-anchor circle,.ai-page .ai-plot-point.is-anchor text{fill:var(--ai-accent);opacity:1}.ai-page .ai-plot-point.is-anchor text{font-weight:700}.ai-page .ai-rank-list{gap:12px;margin:14px 0 0;padding:0;list-style:none;display:grid}.ai-page .ai-rank-list>li{grid-template-columns:78px minmax(0,1fr) 56px;align-items:center;gap:12px;margin:0;font-size:13px;display:grid}.ai-page .ai-rank-list>li>div{background:var(--color-bg);border:1px solid var(--ai-line);border-radius:4px;height:14px;overflow:hidden}.ai-page .ai-rank-list>li>div>span{background:var(--ai-accent);height:100%;transition:width .18s;display:block}.ai-page .ai-rank-list output{text-align:right;font-size:12px}.ai-page .ai-search{gap:10px;max-width:560px;margin-bottom:16px;font-size:14px;display:grid}.ai-page input[type=search],.ai-page input[type=text]{width:100%;min-width:0;min-height:48px;color:var(--color-text);background:var(--color-bg);border:1px solid var(--ai-line);font:inherit;border-radius:8px;padding:12px 15px}.ai-page .ai-tool-card h3{overflow-wrap:anywhere;margin-block:10px 7px;font-size:21px}.ai-page .ai-tool-card h3 a{text-decoration:none}.ai-page .ai-tool-card p{font-size:14px}.ai-page .ai-tool-card .ai-tool-kind{margin-bottom:16px;font-size:12px}.ai-page .ai-tool-check{border-top:1px solid var(--ai-line);padding-top:16px}.ai-page .ai-empty{border:1px dashed var(--ai-line);border-radius:12px;padding:28px}.ai-page .ai-empty button{margin-top:16px}.ai-page .ai-practice-list{color:var(--color-muted);padding-left:24px;line-height:1.85}.ai-page .ai-practice-list li{margin-bottom:16px;padding-left:7px}.ai-page .ai-practice-list li::marker{color:var(--ai-accent);font-weight:650}.ai-page details{border-block-start:1px solid var(--ai-line)}.ai-page summary{cursor:pointer;padding-block:19px;font-size:15px;font-weight:600;line-height:1.7}.ai-page details>p{margin:0;padding:0 20px 22px;font-size:14px}.ai-page .ai-review{margin-top:30px}.ai-page .ai-review summary span{color:var(--ai-accent);margin-inline:8px 14px;font:12px ui-monospace,monospace}.ai-page .ai-glossary{margin-top:24px}.ai-page .ai-next-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-bottom:22px;display:grid}.ai-page .ai-next-grid>a{border:1px solid var(--ai-line);background:var(--ai-tint);border-radius:14px;padding:26px;text-decoration:none}.ai-page .ai-next-grid h3{margin-top:14px}.ai-page .ai-next-grid p{font-size:14px}.ai-page .ai-footer{border-top:1px solid var(--ai-line);flex-wrap:wrap;justify-content:space-between;gap:16px;margin-top:54px;padding-top:24px;font-size:13px;display:flex}.ai-page :is(button,a,input,summary,[tabindex]):focus-visible{outline:3px solid var(--ai-purple);outline-offset:4px}@media (max-width:960px){.ai-page .ai-hero{gap:28px}.ai-page .ai-card-grid,.ai-page .ai-trend-grid,.ai-page .ai-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:700px){.ai-page{padding-top:24px}.ai-page .ai-hero{grid-template-columns:minmax(0,1fr);padding-top:26px}.ai-page .ai-hero-map{padding:16px 22px}.ai-page .ai-chapter{margin-top:54px}.ai-page .ai-contents,.ai-page .ai-map-layout,.ai-page .ai-process,.ai-page .ai-comparison,.ai-page .ai-next-grid,.ai-page .ai-card-grid,.ai-page .ai-trend-grid,.ai-page .ai-tool-grid{grid-template-columns:minmax(0,1fr)}.ai-page .ai-timeline>li{grid-template-columns:minmax(0,1fr);gap:10px;padding-left:22px}.ai-page .ai-timeline>li:before{left:0}.ai-page .ai-timeline>li:after{left:-4px}.ai-page .ai-timeline article{padding:0}.ai-page .ai-training-examples{grid-template-columns:repeat(3,minmax(0,1fr))}.ai-page .ai-definition-grid{grid-template-columns:minmax(0,1fr)}.ai-page .ai-callout{padding:20px}.ai-page .ai-token-row{grid-template-columns:46px minmax(0,1fr) 60px;gap:8px}.ai-page .ai-split-strip{grid-template-columns:repeat(6,minmax(0,1fr))}.ai-page .ai-rank-list>li{grid-template-columns:66px minmax(0,1fr) 50px;gap:8px}.ai-page .ai-lab-controls{gap:12px 16px}.ai-chapter-bar{max-width:calc(100vw - 88px)}.ai-chapter-bar-body{gap:10px;padding:8px 15px 9px;font-size:12px}.ai-chapter-bar-body a{display:none}}@media (prefers-reduced-motion:reduce){.ai-page .ai-token-row>div>span{transition:none}.ai-chapter-bar{animation:none}.ai-chapter-bar-track>span,.ai-page .ai-rank-list>li>div>span{transition:none}}@media print{.ai-page{max-width:none;padding:0}.ai-page .ai-back,.ai-page .ai-hero-actions,.ai-page .ai-contents,.ai-page button,.ai-page input,.ai-chapter-bar{display:none}.ai-page .ai-chapter{break-before:auto}.ai-page .ai-tool-card,.ai-page .ai-timeline>li{break-inside:avoid}}
