.chat-interface{display:flex;flex-direction:column;height:100vh;background:#f8f8f8;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}.chat-header{background:#fff;border-bottom:1px solid #e0e0e0;padding:16px 24px;box-shadow:0 1px 2px #0000000a}.chat-header h1{margin:0;font-size:18px;font-weight:700;color:#1d1c1d;display:flex;align-items:center;gap:8px}.status-indicator{width:8px;height:8px;background:#2bac76;border-radius:50%;display:inline-block}.chat-subtitle{margin:4px 0 0;font-size:13px;color:#616061;font-weight:400}.messages-container{flex:1;overflow-y:auto;padding:20px 24px;background:#fff}.messages-container::-webkit-scrollbar{width:8px}.messages-container::-webkit-scrollbar-track{background:#f8f8f8}.messages-container::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}.messages-container::-webkit-scrollbar-thumb:hover{background:#aaa}.message{margin-bottom:16px;animation:slideIn .2s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-header{display:flex;align-items:center;gap:8px;margin-bottom:4px}.message-avatar-img{width:36px;height:36px;border-radius:4px;object-fit:cover;flex-shrink:0}.message-avatar.user{background:linear-gradient(135deg,#667eea,#764ba2);width:36px;height:36px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff;flex-shrink:0}.message-avatar.user{background:linear-gradient(135deg,#667eea,#764ba2)}.message-avatar.assistant{background:linear-gradient(135deg,#f093fb,#f5576c)}.message-sender{font-weight:700;font-size:15px;color:#1d1c1d}.message-time{font-size:12px;color:#616061;margin-left:4px}.message-content{margin-left:44px;color:#1d1c1d;font-size:15px;line-height:1.5;word-wrap:break-word}.message-content h3{font-size:15px;font-weight:600;margin:12px 0 6px;color:#1d1c1d}.message-content ul{margin:8px 0;padding-left:20px}.message-content li{margin:4px 0}.message-content strong{font-weight:600;color:#1d1c1d}.message-content p{margin:0 0 8px}.message-content p:last-child{margin-bottom:0}.message-metadata{margin-left:44px;margin-top:8px;display:flex;gap:12px;align-items:center}.confidence-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;background:#f8f8f8;border:1px solid #e0e0e0;border-radius:4px;font-size:12px;color:#616061}.confidence-bar{width:40px;height:4px;background:#e0e0e0;border-radius:2px;overflow:hidden}.confidence-fill{height:100%;background:linear-gradient(90deg,#2bac76,#46d39c);transition:width .3s ease}.sources-toggle{background:none;border:none;color:#1264a3;font-size:12px;cursor:pointer;padding:4px 8px;border-radius:4px;display:flex;align-items:center;gap:4px;transition:background .2s}.sources-toggle:hover{background:#e8f4fd}.sources-list{margin-left:44px;margin-top:8px;padding:12px;background:#f8f8f8;border-left:3px solid #1264a3;border-radius:4px}.source-item{margin-bottom:8px;font-size:13px}.source-item:last-child{margin-bottom:0}.source-type{display:inline-block;padding:2px 6px;background:#1264a3;color:#fff;border-radius:3px;font-size:11px;font-weight:600;text-transform:uppercase;margin-right:8px}.source-snippet{color:#616061;font-size:12px;margin-top:2px;font-style:italic}.loading-message{margin-left:44px;display:flex;align-items:center;gap:8px;color:#616061;font-size:14px}.loading-dots{display:flex;gap:4px}.loading-dots span{width:8px;height:8px;background:#616061;border-radius:50%;animation:bounce 1.4s infinite ease-in-out both}.loading-dots span:nth-child(1){animation-delay:-.32s}.loading-dots span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}.input-container{background:#fff;border-top:1px solid #e0e0e0;padding:20px 24px}.input-form{display:flex;gap:8px;align-items:flex-end;max-width:1200px;margin:0 auto}.message-input{flex:1;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:15px;font-family:inherit;resize:none;min-height:44px;max-height:200px;transition:border-color .2s;line-height:1.4}.message-input:focus{outline:none;border-color:#1264a3}.message-input::placeholder{color:#959595}.send-button{padding:12px 24px;background:#007a5a;color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:700;cursor:pointer;transition:background .2s;height:44px;flex-shrink:0}.send-button:hover:not(:disabled){background:#064}.send-button:disabled{background:#d1d1d1;cursor:not-allowed}.send-button:active:not(:disabled){transform:scale(.98)}.welcome-message{text-align:center;padding:40px 20px;color:#616061}.welcome-message h2{color:#1d1c1d;margin-bottom:8px;font-size:24px}.welcome-examples{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;margin-top:24px;max-width:900px;margin-left:auto;margin-right:auto}.example-query{padding:16px;background:#f8f8f8;border:1px solid #e0e0e0;border-radius:8px;cursor:pointer;transition:all .2s;text-align:left;font-size:14px;color:#1d1c1d}.example-query:hover{background:#fff;border-color:#1264a3;transform:translateY(-2px);box-shadow:0 4px 8px #00000014}.example-icon{font-size:20px;margin-bottom:8px}.app{width:100%;max-width:1200px;margin:0 auto}.container{background:#fff;border-radius:16px;box-shadow:0 20px 60px #0000004d;overflow:hidden;display:flex;flex-direction:column;height:90vh;max-height:800px}.header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:24px;text-align:center}.header h1{font-size:28px;margin-bottom:8px;font-weight:600}.header p{font-size:14px;opacity:.9}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}#root{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}