:root{--ink:#17312d;--muted:#687773;--paper:#f4f4ed;--line:#d7ddd3;--teal:#255e54;--mint:#d9ede2;--white:#fff;--red:#9a3e35}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}button,input,select{font:inherit}button{cursor:pointer}a{color:inherit}.shell{max-width:1440px;margin:auto;padding:0 44px}.topbar{height:90px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{text-decoration:none;display:flex;align-items:center;gap:16px}.brand-mark{font-size:30px;font-weight:800;letter-spacing:-2px}.brand-mark span{font-weight:300}.brand small{font-size:10px;letter-spacing:2px;border-left:1px solid var(--line);padding-left:16px;color:var(--teal)}.top-actions{display:flex;gap:26px;align-items:center;font-size:13px}.top-actions>a{text-decoration:none;border-bottom:1px solid var(--teal)}.pill{padding:7px 12px;border:1px solid var(--line);border-radius:30px;color:var(--muted)}.pill i,.live-dot:before{display:inline-block;content:"";width:7px;height:7px;background:#54ad83;border-radius:50%;margin-right:7px}.layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(440px,520px);gap:6vw;align-items:start;padding:76px 0 48px}.intro{padding-top:22px}.eyebrow{font-size:11px;letter-spacing:2.4px;text-transform:uppercase;font-weight:700;color:var(--teal)}h1{font-family:Georgia,serif;font-size:clamp(46px,4.5vw,70px);font-weight:400;letter-spacing:-2.7px;line-height:1.08;margin:24px 0}h1 em{font-weight:400;color:var(--teal)}.lead{font-size:18px;max-width:600px;color:#4c625c;line-height:1.7}.intro-rule{height:1px;background:var(--line);margin:46px 0 30px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature-grid span{font-size:12px;color:#7b9a8a}.feature-grid strong{display:block;font-size:14px;margin:8px 0}.feature-grid p{font-size:13px;color:var(--muted)}.source-note{margin-top:42px;color:var(--muted);font-size:12px}.source-note a{text-underline-offset:3px}.chat-card{background:var(--white);border:1px solid #dce5dc;border-radius:20px;box-shadow:0 25px 70px #23493c16;overflow:hidden;min-height:660px;display:flex;flex-direction:column}.chat-head{display:flex;align-items:center;justify-content:space-between;padding:19px 22px;border-bottom:1px solid #e8ede8}.chat-head>div{display:flex;gap:11px;align-items:center}.chat-head strong,.chat-head small{display:block}.chat-head small{font-size:11px;color:var(--muted)}.avatar{width:38px;height:38px;background:var(--teal);color:white;border-radius:12px;display:grid;place-items:center;font-size:24px}.live-dot{font-size:12px;color:var(--teal);background:#eef6f0;padding:5px 9px;border-radius:20px}.demo-banner{background:#f1f6e9;border-bottom:1px solid #dce9d7;padding:9px 22px;font-size:11px;color:#57715a}.gate{padding:95px 45px;text-align:center}.gate-icon{font-size:38px;color:var(--teal)}.gate h2{font:400 28px Georgia,serif}.gate p{color:var(--muted)}.gate form{display:flex;gap:8px;margin-top:25px}.gate input,.composer input,.dialog-input,dialog input{min-width:0;flex:1;border:1px solid var(--line);border-radius:10px;padding:13px;background:white;color:var(--ink)}.gate button,.primary{border:0;background:var(--teal);color:white;border-radius:10px;padding:12px 16px}.error{color:var(--red);font-size:13px;margin-top:12px}.hidden{display:none!important}.chat-ui{display:flex;flex-direction:column;flex:1;min-height:0}.topic-bar{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;border-bottom:1px solid #edf0ed;font-size:12px;color:var(--muted)}.topic-bar select{border:0;background:#f2f7f3;border-radius:8px;padding:6px 10px;color:var(--teal)}.messages{height:365px;overflow-y:auto;padding:22px;display:flex;flex-direction:column;gap:16px}.msg{max-width:90%;display:flex;flex-direction:column;gap:5px}.msg.user{align-self:flex-end}.bubble{padding:12px 15px;border-radius:15px 15px 15px 3px;background:#edf5ef;white-space:pre-wrap;line-height:1.5}.msg.user .bubble{background:var(--teal);color:white;border-radius:15px 15px 3px 15px}.sources{display:flex;gap:6px;flex-wrap:wrap}.sources a,.sources span{font-size:11px;padding:4px 7px;border-radius:6px;background:#f2f4f0;color:var(--teal);text-decoration:none}.source-excerpt{font-size:11px;color:var(--muted);border-left:2px solid var(--line);padding-left:9px;max-width:450px}.suggestions{display:flex;gap:7px;flex-wrap:wrap;padding:0 20px 14px}.suggestions button{background:#f8faf8;color:var(--teal);border:1px solid var(--line);border-radius:20px;padding:6px 9px;font-size:11px}.composer{display:flex;gap:9px;padding:0 18px 12px}.composer 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.close{position:absolute;right:12px;top:10px;border:0;background:none;font-size:26px;color:var(--muted)}.admin-shell{max-width:1200px;margin:auto;padding:0 32px}.admin-header{display:flex;justify-content:space-between;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}.admin-header h1{font-size:36px;margin:0}.admin-header a{font-size:13px}.admin-gate{max-width:430px;margin:80px auto;background:white;border:1px solid var(--line);border-radius:16px;padding:30px}.admin-gate form{display:flex;gap:8px}.admin-gate input{min-width:0;flex:1;padding:10px;border:1px solid var(--line);border-radius:8px}.admin-gate button,.danger{border:0;border-radius:8px;background:var(--teal);color:white;padding:10px 15px}.admin-tabs{display:flex;gap:16px;border-bottom:1px solid var(--line);margin-top:24px}.admin-tabs button{border:0;background:none;padding:13px 4px;color:var(--muted)}.admin-tabs button.active{color:var(--teal);border-bottom:2px solid var(--teal);font-weight:700}.admin-section{padding:24px 0}.admin-list{display:grid;gap:12px}.admin-item{background:white;border:1px solid var(--line);border-radius:12px;padding:18px}.admin-item h3{margin:0 0 6px;font-size:16px}.admin-item small{color:var(--muted)}.admin-item p{white-space:pre-wrap;margin:8px 0}.admin-item details{margin-top:10px}.admin-item summary{cursor:pointer;color:var(--teal)}.admin-item select{padding:7px;border:1px solid var(--line);border-radius:8px}.admin-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:14px 0}.danger{background:#8c4d43}.empty{color:var(--muted)}@media(max-width:1000px){.layout{grid-template-columns:1fr;padding-top:40px}.intro{padding:0}.chat-card{max-width:650px;width:100%;margin:auto}.feature-grid{max-width:650px}}@media(max-width:600px){.shell{padding:0 16px}.topbar{height:74px}.brand-mark{font-size:25px}.top-actions 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.chat-footer{flex-wrap:wrap}
.admin-tabs{overflow-x:auto;white-space:nowrap}
button:disabled,select:disabled{cursor:not-allowed;opacity:.45}