:root{font-family:system-ui,-apple-system,sans-serif;color:#1d3241;background:#f2f6f4;font-synthesis:none}*{box-sizing:border-box}body{margin:0}.shell{max-width:1150px;min-height:100vh;margin:auto;display:grid;grid-template-columns:1fr 460px;gap:70px;align-items:center;padding:40px 28px}.intro{max-width:510px}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:800;color:#247d72}h1{font-size:clamp(36px,5vw,58px);line-height:1.08;letter-spacing:-.04em;margin:18px 0;color:#173e52}.intro>p:not(.eyebrow){font-size:17px;line-height:1.7;color:#526b78}.note{margin-top:30px;border-left:3px solid #e5aa51;background:#fff9ee;padding:16px 18px;line-height:1.55;font-size:14px}.privacy{font-size:13px!important}.panel{height:min(740px,85vh);min-height:560px;background:white;border:1px solid #dbe7e5;border-radius:20px;box-shadow:0 22px 70px #173e5219;overflow:hidden;display:flex;flex-direction:column}.head{background:#173e52;color:white;padding:21px 22px;display:flex;justify-content:space-between;align-items:center}.head h2{margin:0;font-size:18px}.head p{margin:5px 0 0;color:#b6d4d3;font-size:12px}.icon-button,.file-button{border:0;background:transparent;color:inherit;font:inherit;cursor:pointer}.icon-button{font-size:13px;color:#d0e5e2}.knowledge-bar{padding:12px 20px;background:#f4f9f7;display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:12px;color:#597276}.file-button{color:#167568;font-weight:700;white-space:nowrap}.messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}.message{max-width:92%;padding:12px 14px;border-radius:15px;line-height:1.55;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}.message.guide{align-self:flex-start;background:#eff5f3;border-bottom-left-radius:3px}.message.user{align-self:flex-end;background:#d8efea;border-bottom-right-radius:3px}.source{display:block;margin-top:8px;color:#5e7978;font-size:11px}.suggestions{display:flex;gap:7px;overflow-x:auto;padding:8px 18px}.suggestions button{border:1px solid #cbdeda;background:white;color:#286e68;border-radius:20px;padding:7px 11px;font-size:12px;white-space:nowrap;cursor:pointer}.compose{display:flex;gap:8px;padding:12px 18px}.compose input{min-width:0;flex:1;border:1px solid #cbdeda;border-radius:10px;padding:12px;font:inherit;font-size:14px}.compose button{background:#187c70;color:white;border:0;border-radius:10px;padding:0 20px;font-weight:700;cursor:pointer}.compose button:disabled{opacity:.5}.panel footer{padding:0 18px 15px;color:#79908f;font-size:11px}button:focus-visible,input:focus-visible,.file-button:focus-within{outline:3px solid #e7a948;outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:800px){.shell{display:flex;flex-direction:column;gap:25px;align-items:stretch;padding:26px 16px}.intro{max-width:none}.intro h1{font-size:36px}.intro>p:not(.eyebrow){font-size:15px}.note{margin-top:14px}.panel{height:70vh;min-height:500px}}
