:root{--sky: #7cc4e8;--sky-dark: #3d8fb8;--sky-soft: #e3f3fb;--pink: #f6b8cf;--pink-soft: #fde7ef;--mint-soft: #e8f5ec;--bg: #fbf9f6;--surface: #ffffff;--text: #2f3a4a;--muted: #5a6b80;--border: #e4ecf2;--radius: 18px;--shadow: 0 6px 24px rgba(47, 58, 74, .07);font-family:Segoe UI,system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;color:var(--text);line-height:1.65}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--bg);font-size:17px;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:var(--sky-dark)}h1,h2,h3{line-height:1.25;margin:0 0 .6em;color:var(--text)}h1{font-size:clamp(2rem,5vw,3.1rem);letter-spacing:-.02em}h2{font-size:clamp(1.5rem,3.4vw,2.1rem);letter-spacing:-.01em}h3{font-size:1.15rem}p{margin:0 0 1em}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 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24px}.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}.lead{font-size:1.18rem;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 12px}.section{padding:72px 0}.tint-blue{background:var(--sky-soft)}.tint-pink{background:var(--pink-soft)}.section-head{text-align:center;max-width:680px;margin:0 auto 40px}.section-head p{color:var(--muted)}.card-grid{display:grid;gap:20px}.card-grid.four{grid-template-columns:repeat(4,1fr)}.card-grid.three{grid-template-columns:repeat(3,1fr)}.card-grid.two{grid-template-columns:repeat(2,1fr)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.card p{color:var(--muted);margin:0}.card.highlight{border:2px solid var(--sky)}.wide-img{margin:0 auto 40px;max-width:820px;width:100%}.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}.steps li{background:var(--surface);border-radius:var(--radius);padding:24px;counter-increment:step}.steps li:before{content:counter(step);display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--pink);color:#fff;font-weight:700;margin-bottom:12px}.steps p{color:var(--muted);margin:0}.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.split.reverse>img{order:2}.split-img{width:100%}.checks,.plain{list-style:none;padding:0;margin:0}.checks li,.plain li{position:relative;padding-left:30px;margin-bottom:10px}.checks li:before{content:"✓";position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;background:var(--sky-soft);color:var(--sky-dark);font-size:.8rem;font-weight:700;display:grid;place-items:center;margin-top:3px}.plain li:before{content:"";position:absolute;left:7px;top:11px;width:8px;height:8px;border-radius:50%;background:var(--pink)}.callout{background:var(--surface);border-left:6px solid var(--pink);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}.callout p:last-child{margin:0}.step-title{display:flex;align-items:center;gap:12px;margin-top:1.2em}.step-title:first-child{margin-top:0}.num{display:inline-grid;place-items:center;flex:none;width:34px;height:34px;border-radius:50%;background:var(--sky-dark);color:#fff;font-size:1rem}.faq details{background:var(--surface);border-radius:14px;margin-bottom:12px;padding:18px 22px;box-shadow:var(--shadow)}.faq summary{font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--sky-dark);font-size:1.3rem;line-height:1}.faq details[open] summary:after{content:"−"}.faq details p{margin:12px 0 0;color:var(--muted)}.glossary{margin:0 0 56px;display:grid;gap:12px}.glossary div{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 20px}.glossary 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var(--pink);border-radius:999px;padding:7px 14px;cursor:pointer}.chip:hover{background:var(--pink-soft)}.bubble{max-width:85%;padding:12px 16px;border-radius:16px}.bubble p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.bubble.you{align-self:flex-end;background:var(--sky-soft);border-bottom-right-radius:4px}.bubble.assistant{align-self:flex-start;background:var(--pink-soft);border-bottom-left-radius:4px}.bubble.error{background:#fde2ea;color:#8a2c4f}.bubble .sources{margin-top:10px;font-size:.85rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}.source{background:var(--surface);border-radius:999px;padding:2px 10px}.chat-input{display:flex;gap:8px}@media(max-width:960px){.explorer{grid-template-columns:200px 1fr}.items-head,.item{grid-template-columns:minmax(0,1fr) 110px 180px}.items-head span:nth-child(2),.item>:nth-child(2){display:none}}@media(max-width:760px){.nav .user-chip{max-width:none}.explorer{grid-template-columns:1fr}.tree{display:none}.pane{padding:14px 12px}.tool-buttons{width:100%}.tool-buttons .btn{flex:1 1 auto;text-align:center}.items-head{display:none}.item{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"name status" "actions actions";row-gap:4px}.item>:nth-child(1){grid-area:name}.item>:nth-child(3){grid-area:status;justify-self:end}.item>:nth-child(4){grid-area:actions;justify-content:flex-start}.chat-window{height:360px}.test-chat{padding:16px}.bubble{max-width:95%}}.instructions{display:grid;gap:8px;margin-top:16px;padding:16px;background:var(--sky-soft);border-radius:14px}.instructions label{display:grid;gap:2px}.instructions textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--text);resize:vertical}.instructions-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.instructions-foot .btn{margin-left:auto}.error-text{color:#b23a5b}