*{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:#f5f7fa;color:#333}#app{max-width:1400px;margin:0 auto;padding:20px}.container{background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;padding:30px;margin-bottom:20px}h1,h2,h3{color:#2c3e50;margin-bottom:20px}h1{font-size:2em;border-bottom:3px solid #3498db;padding-bottom:10px}h2{font-size:1.5em;color:#34495e}h3{font-size:1.2em;color:#7f8c8d}button{background:#3498db;color:#fff;border:none;padding:12px 24px;border-radius:4px;cursor:pointer;font-size:16px;transition:background .3s}button:hover{background:#2980b9}button:disabled{background:#95a5a6;cursor:not-allowed}input,textarea{width:100%;padding:12px;border:1px solid #ddd;border-radius:4px;font-size:14px;margin-bottom:15px}textarea{min-height:150px;font-family:inherit;resize:vertical}.loading{text-align:center;padding:40px;color:#7f8c8d}.spinner{display:inline-block;width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #3498db;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error{background:#e74c3c;color:#fff;padding:15px;border-radius:4px;margin-bottom:20px}.success{background:#2ecc71;color:#fff;padding:15px;border-radius:4px;margin-bottom:20px}.info{background:#3498db;color:#fff;padding:15px;border-radius:4px;margin-bottom:20px}.tabs{display:flex;gap:10px;margin-bottom:30px;border-bottom:2px solid #ecf0f1}.tab{background:transparent;color:#7f8c8d;border:none;padding:12px 24px;cursor:pointer;transition:all .3s;border-bottom:3px solid transparent}.tab:hover{background:#ecf0f1}.tab.active{color:#3498db;border-bottom-color:#3498db;background:transparent}.workflow-steps{display:flex;align-items:center;justify-content:center;padding:30px 0;margin-bottom:30px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px}.step{display:flex;flex-direction:column;align-items:center;position:relative}.step-number{width:50px;height:50px;border-radius:50%;background:#fff3;color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin-bottom:10px;transition:all .3s}.step-title{font-size:14px;color:#ffffffb3;transition:all .3s}.step.active .step-number{background:#fff;color:#667eea;box-shadow:0 4px 15px #ffffff4d;transform:scale(1.1)}.step.active .step-title{color:#fff;font-weight:600}.step.completed .step-number{background:#2ecc71;color:#fff}.step.completed .step-title{color:#ffffffe6}.step-arrow{margin:0 20px;font-size:24px;color:#ffffff80;padding-bottom:35px}.info-box{background:#f8f9fa;border:1px solid #e9ecef;border-radius:8px;padding:20px;margin-top:15px}.chat-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:20px;align-items:start}.left-panel{position:sticky;top:20px;max-height:calc(100vh - 40px);overflow-y:auto}.right-panel{min-height:100%}.chat-container{background:#f8f9fa;border-radius:8px;padding:20px;margin-top:20px}@media (max-width: 768px){.workflow-steps{flex-direction:column;padding:20px}.step-arrow{transform:rotate(90deg);margin:10px 0;padding:0}.chat-layout{grid-template-columns:1fr}.left-panel{position:relative;max-height:none}}.search-result{border:1px solid #ecf0f1;border-radius:4px;padding:15px;margin-bottom:15px;transition:box-shadow .3s}.search-result:hover{box-shadow:0 4px 12px #0000001a}.similarity-score{display:inline-block;background:#3498db;color:#fff;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:700}.badge{display:inline-block;background:#95a5a6;color:#fff;padding:4px 8px;border-radius:3px;font-size:11px;margin-right:5px}.report-section{background:#f8f9fa;border-left:4px solid #3498db;padding:20px;margin-bottom:20px;border-radius:4px}.chat-messages{max-height:400px;overflow-y:auto;margin-bottom:20px;padding:15px;background:#f8f9fa;border-radius:4px}.message{margin-bottom:15px;padding:12px;border-radius:8px;max-width:80%}.message.user{background:#3498db;color:#fff;margin-left:auto;text-align:right}.message.assistant{background:#fff;border:1px solid #ecf0f1}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.card{background:#fff;border:1px solid #ecf0f1;border-radius:8px;padding:20px;transition:transform .3s,box-shadow .3s}.card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.typing-indicator{display:inline-flex;align-items:center;gap:4px;padding:10px 0}.typing-indicator span{width:8px;height:8px;border-radius:50%;background:#3498db;animation:typing 1.4s infinite}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-10px);opacity:1}}