:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#213840;background:#f4f6f5;font-size:15px;line-height:1.5}*{box-sizing:border-box}body{margin:0}a{color:inherit}button,input,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;border:1px solid #dce3e1;background:white;color:#17384c;padding:10px 16px;border-radius:8px}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid #b39555;outline-offset:3px}[hidden]{display:none!important}.gate{min-height:100dvh;display:grid;place-items:center;padding:24px}.login{max-width:430px;width:100%;padding:36px;background:white;border:1px solid #e4e9e7;border-radius:16px;box-shadow:0 16px 46px #19384b12}.login img{width:150px;height:auto;margin-bottom:22px}.login h1{font-size:28px;margin:8px 0 12px}.login p:not(.eyebrow){color:#64767c}.primary{display:inline-block;border:0;background:#17384c;color:white;text-align:center;padding:13px 22px;border-radius:8px;text-decoration:none;font-weight:650}.login .primary{display:block;margin:24px 0 14px}.subtle{display:block;text-align:center;font-size:13px;margin:14px 0;color:#516771}.eyebrow{font-size:11px;letter-spacing:.15em;font-weight:750;color:#9a762e;margin:0}header{height:88px;display:flex;align-items:center;justify-content:space-between;padding:12px 30px;background:#fff;border-bottom:1px solid #e1e7e4;gap:20px}.brand{display:flex;align-items:center;gap:16px;text-decoration:none;font-size:23px;font-weight:700;color:#17384c;white-space:nowrap}.brand img{height:64px;width:auto}.brand small{display:block;font-size:12px;font-weight:400;color:#718188}.account{display:flex;align-items:center;gap:16px;font-size:12px}.layout{display:grid;grid-template-columns:250px 1fr;height:calc(100dvh - 88px)}aside{background:#fff;border-right:1px solid #e1e7e4;padding:24px 18px;display:flex;flex-direction:column;overflow:auto}nav{display:grid;gap:5px}nav button,nav a{background:none;border:0;text-decoration:none;text-align:left;padding:11px 14px;border-radius:8px;font-weight:600}nav .active{background:#edf2f2;color:#17384c}.history{margin-top:26px;flex:1}.new{width:100%;background:#17384c;color:white}#conversations{margin-top:16px;display:grid;gap:5px}#conversations button{background:none;border:0;text-align:left;font-size:12px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;padding:10px}#conversations .selected{background:#f4f1e8}.private{font-size:11px;color:#7b898e;padding:0 10px}.content{min-width:0;overflow:hidden}#chat-panel{max-width:1000px;margin:auto;padding:30px 40px 22px;height:100%;display:flex;flex-direction:column}.page-title{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:16px}.page-title h1{font-size:25px;margin:6px 0;line-height:1.3}#messages{overflow:auto;flex:1;min-height:80px;padding:12px 0 25px}.welcome{padding:8vh 15px;color:#64767c;max-width:620px}.welcome h2{color:#17384c;font-size:25px;font-weight:600}.muted{font-size:12px;color:#7b898e}.bubble{padding:18px 22px;border:1px solid #e2e7e5;border-radius:12px;background:#fff;margin:0 0 18px}.bubble strong{display:block;font-size:11px;color:#9a762e;margin-bottom:8px}.bubble div{white-space:pre-wrap;overflow-wrap:anywhere}.bubble.user{background:#edf1f1;margin-left:10%;border-color:transparent}.bubble.user strong{color:#61737c}#composer{border:1px solid #d9e1de;background:white;border-radius:12px;box-shadow:0 8px 24px #19384b08;flex-shrink:0}textarea{display:block;border:0;background:transparent;width:100%;resize:vertical;max-height:220px;padding:17px;color:#213840}.compose-bottom{padding:0 14px 12px;display:flex;align-items:center;justify-content:space-between;gap:20px}.compose-bottom span{font-size:11px;color:#718188}.compose-bottom button{padding:9px 25px}#systems-panel{padding:30px 40px;max-width:1000px}.system-card{background:#fff;border:1px solid #e1e7e4;padding:22px;border-radius:12px;margin:15px 0}.system-card h2{font-size:18px}.global-status:not(:empty){position:fixed;bottom:14px;left:50%;transform:translateX(-50%);background:#6c392c;color:white;border-radius:8px;padding:12px 20px;max-width:90%;box-shadow:0 6px 25px #0003}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:700px){header{padding:8px 16px;height:80px}.brand{font-size:20px;gap:10px}.brand img{height:56px}.account{gap:8px}.account span{display:none}.account button{font-size:12px;padding:9px}.layout{display:flex;flex-direction:column;height:calc(100dvh - 80px)}aside{padding:8px 12px;border-right:0;border-bottom:1px solid #e1e7e4;overflow:visible}nav{display:flex;justify-content:space-between;font-size:13px}nav a,nav button{padding:8px 10px}.history{margin:7px 0 0;display:flex;align-items:center;gap:10px}.new{width:auto;white-space:nowrap;font-size:12px;padding:7px 10px}#conversations{margin:0;display:flex;overflow-x:auto;max-width:65vw}#conversations button{max-width:150px;flex-shrink:0;padding:7px}.private{display:none}.content{flex:1;min-height:0}#chat-panel{padding:18px 16px 12px}.page-title h1{font-size:21px}.bubble{padding:14px}.welcome{padding:3vh 4px}.welcome h2{font-size:22px}#systems-panel{padding:20px 16px}}