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#3b82f666}.tabs-container{display:flex;flex-direction:column;gap:16px;position:relative;z-index:1}.tabs-nav{display:flex;gap:4px;background:#fff;padding:4px;border-radius:8px;border:1px solid #e2e8f0;box-shadow:0 2px 4px -1px #0000001a}.tab-btn{display:flex;align-items:center;gap:8px;padding:12px 16px;background:transparent;border:none;border-radius:8px;font-size:.9rem;font-weight:600;color:#6b7280;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);flex:1;justify-content:center;min-height:44px;position:relative;overflow:hidden}.tab-btn:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:#6267f2;opacity:0;transition:opacity .3s ease}.tab-btn:hover{color:#374151;transform:translateY(-2px);box-shadow:0 8px 25px #00000026}.tab-btn:hover:before{opacity:.1}.tab-btn.active{background:#6267f2;color:#fff;box-shadow:0 8px 25px #667eea66;transform:translateY(-2px)}.tab-btn.active:before{opacity:0}.tab-btn svg{width:24px;height:24px;position:relative;z-index:1}.tab-btn span{position:relative;z-index:1}.tab-content{background:#fff;border-radius:8px;padding:24px;border:1px solid #e2e8f0;box-shadow:0 2px 4px -1px #0000001a;min-height:600px}.configuration-tab{max-width:900px;margin:0 auto}.config-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:40px;padding-bottom:24px;border-bottom:2px solid #f1f5f9}.config-header .header-content h3{font-size:1.5rem;font-weight:600;color:#1a202c;margin:0 0 8px}.config-header .header-content p{font-size:1.125rem;color:#64748b;margin:0}.save-status{display:flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:600;font-size:.875rem}.save-status.saving{background:#dbeafe;color:#1e40af;border:1px solid #93c5fd}.save-status.success{background:#dcfce7;color:#166534;border:1px solid #86efac}.save-status.error{background:#fee2e2;color:#dc2626;border:1px solid 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h4{font-size:1.25rem;font-weight:600;color:#374151;margin:0 0 8px}.upload-text p{font-size:1rem;color:#6b7280;margin:0}.upload-limit{font-size:.875rem!important;color:#9ca3af!important;font-style:italic}.uploaded-files-list{margin-top:24px;padding:24px;background:#f8fafc;border-radius:12px;border:1px solid #e2e8f0}.files-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.files-header h4{font-size:1.125rem;font-weight:600;color:#374151;margin:0}.files-stats{display:flex;gap:16px}.files-stats .stat{font-size:.875rem;font-weight:500;padding:4px 8px;border-radius:6px}.files-stats .stat.completed{background:#dcfce7;color:#166534}.files-stats .stat.error{background:#fee2e2;color:#dc2626}.file-item{display:flex;align-items:center;gap:12px;padding:16px;background:#fff;border-radius:8px;border:1px solid #e2e8f0;margin-bottom:8px;transition:all .2s ease}.file-item:hover{box-shadow:0 4px 12px 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ease}.remove-file-btn:hover{background:#fecaca;transform:scale(1.1)}.url-input-group{display:flex;align-items:center;gap:12px;margin-bottom:12px}.url-icon{color:#6267f2;display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:#f0f4ff;border-radius:8px}.url-input{flex:1;margin:0}.remove-url-btn{padding:8px;background:#fee2e2;border:none;border-radius:6px;color:#dc2626;cursor:pointer;transition:all .2s ease}.remove-url-btn:hover{background:#fecaca;transform:scale(1.1)}.add-url-btn{display:flex;align-items:center;gap:8px;padding:12px 20px;background:#f0f4ff;border:2px dashed #6267f2;border-radius:8px;color:#6267f2;font-weight:600;cursor:pointer;transition:all .2s ease;margin-top:8px}.add-url-btn:hover{background:#e0e7ff;transform:translateY(-1px)}.form-actions{display:flex;justify-content:center;padding-top:24px;border-top:2px solid #f1f5f9}.save-btn{display:flex;align-items:center;gap:10px;padding:14px 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.message-header{flex-direction:row-reverse}.message-sender{font-size:.875rem;font-weight:600;color:#6b7280}.message-time{font-size:.75rem;color:#9ca3af}.message-text{padding:16px 20px;border-radius:16px;font-size:1rem;line-height:1.6;box-shadow:0 2px 8px #0000001a}.message.user .message-text{background:#6267f2;color:#fff;border-bottom-right-radius:4px}.message.assistant .message-text{background:#fff;color:#374151;border:1px solid #e2e8f0;border-bottom-left-radius:4px}.typing-indicator{display:flex;gap:4px;padding:16px 20px;background:#fff;border:1px solid #e2e8f0;border-radius:16px 16px 16px 4px}.typing-indicator span{width:8px;height:8px;border-radius:50%;background:#cbd5e1;animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(1){animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes 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