:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#171412;background:#fbfbfa}*{box-sizing:border-box}body{margin:0;background:#fbfbfa}.loading{color:#171412;padding:3rem}main{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,600px);gap:clamp(2rem,5vw,6rem);padding:clamp(1.5rem,5vw,5rem);background:#fbfbfa}.story{align-self:start;color:#171412;max-width:760px;padding-top:3vw}.eyebrow{color:#d42b23;font-size:.75rem;font-weight:800;letter-spacing:.12em}.story h1{font-size:clamp(2.8rem,5.6vw,5.9rem);letter-spacing:-.06em;line-height:.94;margin:.75rem 0 1.5rem}.lead{font-size:1.1rem;line-height:1.62;max-width:54ch}.facts{border-top:1px solid #171412;display:grid;grid-template-columns:repeat(3,1fr);margin:2.5rem 0}.facts div{border-bottom:1px solid #d8d4ce;padding:1rem 1rem 1rem 0;display:flex;flex-direction:column;gap:.45rem}.facts div+div{border-left:1px solid #d8d4ce;padding-left:1rem}.facts b{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}.facts span{color:#5f5a55;font-size:.9rem}.source{color:#171412;text-decoration-color:#e6332a;text-decoration-thickness:2px;text-underline-offset:4px}.boundary{border-left:3px solid #e6332a;font-size:.93rem;line-height:1.5;margin:1.25rem 0;padding-left:1rem}.guide-links{border-top:1px solid #d8d4ce;border-bottom:1px solid #d8d4ce;display:grid;margin:1.5rem 0}.guide-links a{color:#171412;padding:.65rem 0;text-decoration-color:#e6332a;text-decoration-thickness:2px;text-underline-offset:3px}.guide-links a+a{border-top:1px solid #d8d4ce}.chat{align-self:start;background:#fff;border:1px solid #d8d4ce;min-height:720px;max-height:86vh;display:grid;grid-template-rows:auto auto 1fr auto auto}.chat header{padding:1.25rem 1.4rem;display:flex;align-items:center;gap:1rem;border-bottom:1px solid #d8d4ce}.chat h2{margin:0;font-size:1rem}.avatar{width:42px;height:42px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700}.online{font-size:.78rem;color:#5f5a55}.disclosure{background:var(--surface);padding:.8rem 1.4rem;font-size:.78rem;line-height:1.45;color:#5f5a55;border-bottom:1px solid #d8d4ce}.messages{padding:1.35rem;overflow:auto;display:flex;flex-direction:column;gap:.85rem}.welcome{margin:auto 0}.welcome h3{font-size:1.3rem;line-height:1.2}.welcome button{display:block;width:100%;text-align:left;padding:1rem;margin:.6rem 0;border:1px solid #d8d4ce;background:#fff;color:#171412;font:inherit;cursor:pointer}.welcome button:hover,.welcome button:focus-visible{border-color:#e6332a;outline:2px solid transparent}.message{max-width:85%;padding:.8rem 1rem;line-height:1.5}.message p{margin:.2rem 0}.message ul{padding-left:1.1rem;margin:.4rem 0}.message.assistant{background:#f1efec;align-self:flex-start}.message.assistant ul{padding-left:1.1rem;margin:.4rem 0}.message.assistant li+li{margin-top:.35rem}.message.user{background:var(--accent);color:#fff;align-self:flex-end}.thinking{color:#5f5a55;font-size:.82rem}.chat form{padding:1rem;border-top:1px solid #d8d4ce;display:flex;gap:.6rem}.chat input{min-width:0;flex:1;border:1px solid #9f9a94;padding:.8rem;font:inherit;color:#171412}.chat input:focus-visible,.chat button:focus-visible,.guide-links a:focus-visible{outline:2px solid #e6332a;outline-offset:2px}.chat form button{border:1px solid #171412;background:#171412;color:#fff;padding:.8rem 1rem;font:inherit;font-weight:700;cursor:pointer}.chat button:disabled{cursor:not-allowed;opacity:.48}.chat footer{padding:0 1rem 1rem;color:#5f5a55;font-size:.73rem}.reset{appearance:none;background:none;border:0;padding:0;color:#171412;text-decoration:underline;cursor:pointer;font:inherit}@media(max-width:960px){main{grid-template-columns:1fr;padding:1.5rem}.story{padding-top:0}.chat{max-height:none;min-height:680px}}@media(max-width:600px){main{padding:1rem}.story h1{font-size:clamp(2.5rem,13vw,3.5rem)}.facts{grid-template-columns:1fr}.facts div+div{border-left:0;padding-left:0}.chat form{flex-direction:column}.chat form button{width:100%}.message{max-width:92%}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}