:root{--teal:#29747a;--navy:#151e2a;--line:#d4dddf;--white:#fff;font-family:Arial,Helvetica,sans-serif;color:var(--navy);background:white;font-size:18px}*{box-sizing:border-box}body{margin:0}button,textarea{font:inherit}a{color:var(--teal);text-underline-offset:4px}button,a,textarea{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #df6b29;outline-offset:4px}.site-header{max-width:1440px;margin:auto;padding:24px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.site-header img{max-width:149px;height:auto}.site-header nav{display:flex;gap:28px;font-weight:700}.site-header nav a{text-decoration:none}.layout{max-width:1440px;margin:0 auto;padding:48px 40px 40px;display:grid;grid-template-columns:minmax(280px,.8fr) minmax(0,1.4fr);gap:56px}.eyebrow{font-size:15px;font-weight:800;letter-spacing:.12em;color:var(--teal);margin:0 0 20px}h1{font-size:clamp(36px,4vw,58px);line-height:1.08;letter-spacing:-.04em;margin:0 0 24px;font-weight:800}p{line-height:1.55}.lead{font-size:21px;margin:0 0 28px}.topics{display:grid;grid-template-columns:1fr 1fr;gap:10px}.topics button,.suggestions button,.related button{background:white;color:var(--teal);border:1.5px solid var(--teal);padding:12px 14px;border-radius:10px;text-align:left;font-size:16px;font-weight:700;line-height:1.4;min-height:48px}.topics button:hover,.suggestions button:hover,.related button:hover{background:var(--teal);color:white}.human{margin-top:32px;border-top:1px solid var(--line);padding-top:24px}.human h2{font-size:23px;margin:0}.human p{font-size:17px;margin:10px 0}.human a{font-weight:bold}.chat{border:2px solid var(--teal);border-radius:22px;overflow:hidden;display:flex;flex-direction:column;height:700px;min-height:550px;max-height:calc(100dvh - 180px);background:white}.chat-header{background:var(--teal);color:white;padding:22px;display:flex;gap:14px;align-items:center}.chat-header img{background:white;border-radius:50%;padding:5px;flex-shrink:0}.chat-header h2{font-size:23px;margin:0;line-height:1.2}.chat-header p{font-size:14px;margin:7px 0 0}.chat-header>div{flex:1;min-width:0}#restart{background:transparent;border:1.5px solid white;color:white;border-radius:8px;font-size:14px;font-weight:700;padding:10px;min-height:44px;flex-shrink:0}#restart:hover{background:white;color:var(--teal)}#conversation{padding:24px;overflow:auto;flex:1;scrollbar-gutter:stable;overscroll-behavior:contain}.message{margin:0 0 24px;overflow-wrap:anywhere}.speaker{font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.09em;margin:0 0 10px;color:var(--teal)}.message h3{font-size:25px;line-height:1.25;margin:0 0 12px}.message p{margin:0 0 12px}.message .speaker{margin-bottom:10px}.message.user{border-radius:16px;background:var(--navy);color:white;padding:16px 20px;margin-left:12%;}.message.user .speaker{color:white;opacity:.85}.message.user p:last-child{margin:0;white-space:pre-wrap}.message.assistant{padding-bottom:12px;border-bottom:1px solid var(--line)}.message.assistant li{padding-left:3px;margin:0 0 12px;line-height:1.5}.message.assistant ol{padding-left:24px}.answer-links{display:flex;flex-wrap:wrap;gap:16px;margin:18px 0;font-size:16px;font-weight:700}.source{font-size:14px!important;color:#46585c}.suggestions,.related{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.suggestions button,.related button{font-size:15px}.composer{border-top:1px solid var(--line);padding:18px 22px;background:white}.input-row{display:flex;gap:12px;align-items:stretch}textarea{min-width:0;flex:1;resize:none;border:1.5px solid #6d8287;border-radius:10px;padding:13px 15px;line-height:1.4;color:var(--navy);background:white}textarea::placeholder{color:#506366}#send{background:var(--teal);border:0;color:white;font-weight:800;border-radius:10px;padding:0 22px;min-height:48px}#send:hover{background:var(--navy)}.privacy{font-size:12px;margin:10px 0 0;color:#46585c;line-height:1.5}.site-footer{max-width:1440px;margin:auto;padding:24px 40px 32px;display:flex;align-items:center;flex-wrap:wrap;gap:22px;font-size:14px;border-top:1px solid var(--line)}.site-footer p{font-weight:700;margin:0}.site-footer span{margin-left:auto}.skip{position:absolute;top:-80px;background:var(--navy);color:white;padding:12px;z-index:2}.skip:focus{top:10px;left:10px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.no-script{padding:20px}
@media(min-width:1600px){.chat{height:800px}}@media(max-width:950px){.layout{grid-template-columns:minmax(220px,.75fr) minmax(0,1.3fr);gap:26px;padding:32px 24px}.site-header{padding:20px 24px}.chat-header{padding:18px}.chat-header h2{font-size:20px}.chat-header img{display:none}.site-footer{padding:24px}.topics{grid-template-columns:1fr}}
@media(max-width:680px){.site-header{padding:16px 20px}.site-header img{width:108px}.site-header nav{gap:15px;font-size:14px}.layout{display:flex;flex-direction:column;gap:24px;padding:28px 16px}.intro h1{font-size:38px;margin-bottom:14px}.eyebrow{margin-bottom:14px}.lead{font-size:18px;margin-bottom:18px}.topics{display:flex;flex-wrap:nowrap;overflow-x:auto;gap:8px;padding-bottom:8px}.topics button{white-space:nowrap;font-size:14px;padding:10px 12px}.human{display:none}.chat{height:650px;max-height:none;min-height:560px;border-radius:16px}.chat-header{padding:17px 16px;gap:8px}.chat-header h2{font-size:20px}.chat-header p{font-size:12px}#restart{font-size:12px;padding:9px}#conversation{padding:20px 16px}.message h3{font-size:23px}.message p,.message li{font-size:17px}.composer{padding:15px 14px}.input-row{gap:8px}textarea{font-size:16px;padding:12px;min-height:72px}#send{font-size:16px;padding:0 16px}.privacy{font-size:12px}.site-footer{padding:20px;gap:14px;font-size:13px}.site-footer span{margin-left:0;width:100%}}