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.iteration-expand-icon{transform:rotate(0)}@keyframes iterationSlideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.iteration-container.success{border-color:var(--success-color)}.iteration-container.failed{border-color:var(--error-color)}.iteration-header{display:flex;align-items:center;padding:12px 16px;background:var(--bg-tertiary);border-bottom:1px solid var(--border-color);cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .2s ease}.iteration-header:hover{background:#00d4ff0d}.iteration-container.collapsed .iteration-header{border-bottom:none}.iteration-header.success{background:#10b9811a;border-bottom-color:var(--success-color)}.iteration-header.failed{background:#ef44441a;border-bottom-color:var(--error-color)}.iteration-header .iteration-num{font-weight:700;font-size:.9rem;color:var(--text-primary)}.iteration-header .iteration-status{font-size:.8rem;color:var(--text-secondary)}.iteration-header .iteration-status.success{color:var(--success-color);font-weight:600}.iteration-header .iteration-status.failed{color:var(--error-color);font-weight:600}.iteration-steps{padding:12px 16px;display:flex;flex-direction:column;gap:8px}.iter-step{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--bg-tertiary);border-radius:8px;font-size:.85rem;animation:iterStepFade .3s ease-out}@keyframes iterStepFade{0%{opacity:0}to{opacity:1}}.iter-step.active{background:linear-gradient(135deg,#00d4ff14,#7c3aed14);border:1px solid rgba(0,212,255,.2)}.iter-step.complete{background:#10b9810d}.iter-step.retry{background:#f59e0b14;border:1px solid rgba(245,158,11,.2)}.iter-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:.9rem;flex-shrink:0}.mini-spinner{width:16px;height:16px;border:2px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}.iter-title{font-weight:600;color:var(--text-primary);white-space:nowrap}.iter-message{color:var(--text-secondary);font-size:.8rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:300px}.iter-sql-preview{background:linear-gradient(135deg,#0d1117,#161b22);border-radius:8px;padding:12px 14px;margin-top:4px;overflow-x:auto;border:1px solid rgba(0,212,255,.15)}.iter-sql-preview pre{font-family:SF Mono,Fira Code,monospace;font-size:.75rem;color:#7ee787;margin:0;white-space:pre-wrap;word-break:break-word}.iter-error{background:#ef44441a;color:var(--error-color);padding:8px 12px;border-radius:6px;font-size:.8rem;border-left:3px solid var(--error-color);margin-top:4px}.theme-toggle{padding:8px;border-radius:8px;background:transparent;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.25rem;color:var(--text-secondary);transition:color .2s ease,background .2s 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.viz-icon{font-size:1.1rem}.viz-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;justify-content:center;align-items:center;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.viz-modal-content{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;width:90%;max-width:900px;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-lg),var(--shadow-glow);animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.viz-modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border-color);background:var(--bg-tertiary)}.viz-modal-header h3{font-size:1.2rem;font-weight:600;color:var(--text-primary);margin:0}.viz-close-btn{background:none;border:none;color:var(--text-secondary);font-size:1.8rem;cursor:pointer;padding:0;line-height:1;transition:color .2s ease}.viz-close-btn:hover{color:var(--error-color)}.viz-modal-body{padding:20px;flex:1;overflow:auto}.viz-controls{margin-bottom:16px}.viz-type-selector{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.viz-type-selector label{font-size:.9rem;color:var(--text-secondary);font-weight:500}.viz-type-buttons{display:flex;gap:8px;flex-wrap:wrap}.viz-type-btn{padding:8px 16px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:6px;color:var(--text-secondary);font-size:.85rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:6px}.viz-type-btn:hover{background:var(--bg-card);border-color:var(--accent-primary);color:var(--text-primary)}.viz-type-btn.active{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));border-color:transparent;color:#fff}.viz-reason{margin-top:10px;font-size:.85rem;color:var(--text-muted);font-style:italic}.viz-axis-controls{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;padding:12px;background:var(--bg-tertiary);border-radius:8px;border:1px solid var(--border-color)}.viz-axis-group{display:flex;flex-direction:column;gap:6px;min-width:150px;flex:1}.viz-axis-group label{font-size:.8rem;color:var(--text-secondary);font-weight:500}.viz-axis-group select,.viz-axis-group input{padding:8px 12px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);font-size:.85rem;cursor:pointer;transition:all .2s ease}.viz-axis-group select:hover,.viz-axis-group input:hover{border-color:var(--accent-primary)}.viz-axis-group select:focus,.viz-axis-group input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 2px #00d4ff26}.viz-axis-group select[multiple]{min-height:60px;max-height:100px}.viz-axis-group select option{padding:4px 8px;background:var(--bg-card);color:var(--text-primary)}.viz-axis-group select:focus,.viz-axis-group input:focus{color:var(--text-primary)}[data-theme=light] .viz-axis-controls{background:#f1f5f9}[data-theme=light] .viz-axis-group select,[data-theme=light] .viz-axis-group input,[data-theme=light] .viz-axis-group select option{background:#fff;color:#0f172a}[data-theme=light] .viz-axis-group select:focus,[data-theme=light] .viz-axis-group input:focus{background:#fff;color:#0f172a}.viz-chart-container{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:12px;padding:20px;height:400px;position:relative}.viz-modal-footer{display:flex;justify-content:flex-end;gap:12px;padding:16px 20px;border-top:1px solid var(--border-color);background:var(--bg-tertiary)}.viz-download-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;background:var(--success-color);color:#fff;border:none;border-radius:6px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s ease}.viz-download-btn:hover{background:#0ea572;transform:translateY(-1px)}.viz-close-btn-secondary{padding:10px 18px;background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border-color);border-radius:6px;font-size:.9rem;cursor:pointer;transition:all .2s ease}.viz-close-btn-secondary:hover{background:var(--bg-tertiary);color:var(--text-primary)}[data-theme=light] .viz-modal-content{background:#fff;box-shadow:0 8px 40px #00000026}[data-theme=light] .viz-modal-header,[data-theme=light] .viz-modal-footer,[data-theme=light] .viz-chart-container{background:#f8fafc}[data-theme=light] .viz-type-btn{background:#f1f5f9}[data-theme=light] .viz-type-btn:hover{background:#e2e8f0}[data-theme=light] .viz-close-btn-secondary{background:#f1f5f9}[data-theme=light] .viz-close-btn-secondary:hover{background:#e2e8f0}.results-wrapper{width:100%}.mic-btn{display:flex;align-items:center;justify-content:center;width:50px;height:50px;background:var(--bg-tertiary);border:2px solid var(--border-color);border-radius:50%;cursor:pointer;transition:all .3s ease;flex-shrink:0}.mic-btn:hover{border-color:var(--accent-primary);background:#00d4ff1a;transform:scale(1.05)}.mic-btn .mic-icon{width:18px;height:18px;transition:transform .2s ease;color:var(--text-secondary)}.mic-btn:hover .mic-icon{transform:scale(1.1);color:var(--accent-primary)}.mic-btn.recording{background:linear-gradient(135deg,#ef4444,#dc2626);border-color:#ef4444;animation:recordingPulse 1.5s ease-in-out infinite;box-shadow:0 0 20px #ef444480}.mic-btn.recording:hover{background:linear-gradient(135deg,#dc2626,#b91c1c);transform:scale(1.05)}.mic-btn.recording .mic-icon{color:#fff;animation:micPulse .8s ease-in-out infinite}@keyframes recordingPulse{0%,to{box-shadow:0 0 15px #ef444466}50%{box-shadow:0 0 30px #ef444499}}@keyframes micPulse{0%,to{transform:scale(1)}50%{transform:scale(1.15)}}[data-theme=light] .mic-btn{background:#f1f5f9}[data-theme=light] .mic-btn:hover{background:#0891b21a}[data-theme=light] .mic-btn.recording{background:linear-gradient(135deg,#ef4444,#dc2626)}.tts-btn{display:flex;align-items:center;justify-content:center;width:50px;height:50px;background:var(--bg-tertiary);border:2px solid var(--border-color);border-radius:50%;cursor:pointer;transition:all .3s ease;flex-shrink:0;opacity:.6}.tts-btn:hover{border-color:var(--accent-primary);background:#00d4ff1a;transform:scale(1.05);opacity:1}.tts-btn .tts-icon{font-size:1.3rem;transition:transform .2s ease}.tts-btn:hover .tts-icon{transform:scale(1.1)}.tts-btn.enabled{background:linear-gradient(135deg,#10b981,#059669);border-color:#10b981;opacity:1;box-shadow:0 0 15px #10b9814d}.tts-btn.enabled:hover{background:linear-gradient(135deg,#059669,#047857);transform:scale(1.05)}.tts-btn.speaking{background:linear-gradient(135deg,#0891b2,#0e7490);border-color:#0891b2;animation:speakingPulse 1s ease-in-out infinite;box-shadow:0 0 20px #0891b280}.tts-btn.speaking:hover{background:linear-gradient(135deg,#0e7490,#0c4a6e);transform:scale(1.05)}.tts-btn.speaking .tts-icon{animation:speakingWave .6s ease-in-out infinite}@keyframes speakingPulse{0%,to{box-shadow:0 0 15px #0891b266}50%{box-shadow:0 0 30px #0891b2b3}}@keyframes speakingWave{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}.tts-icon-static{width:18px;height:18px;color:var(--text-secondary);transition:opacity .2s ease,color .2s ease}.tts-btn:hover .tts-icon-static{color:var(--accent-primary)}.tts-btn.enabled .tts-icon-static{color:#fff}.tts-wave-container{display:none;align-items:center;justify-content:center;gap:3px;height:24px}.tts-wave-bar{width:4px;height:8px;background:#fff;border-radius:2px;animation:ttsWaveAnimation .8s ease-in-out infinite}.tts-wave-bar:nth-child(1){animation-delay:0s}.tts-wave-bar:nth-child(2){animation-delay:.1s}.tts-wave-bar:nth-child(3){animation-delay:.2s}.tts-wave-bar:nth-child(4){animation-delay:.3s}.tts-wave-bar:nth-child(5){animation-delay:.4s}@keyframes ttsWaveAnimation{0%,to{height:8px;opacity:.5}50%{height:20px;opacity:1}}.tts-btn.speaking .tts-icon-static{display:none}.tts-btn.speaking .tts-wave-container{display:flex}.tts-settings-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:none;align-items:center;justify-content:center}.tts-settings-modal.open{display:flex}.tts-settings-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.tts-settings-content{position:relative;width:90%;max-width:400px;background:var(--bg-primary);border-radius:12px;box-shadow:0 20px 60px #0000004d;overflow:hidden}.tts-settings-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-color)}.tts-settings-header h3{margin:0;font-size:1.1rem;font-weight:600;color:var(--text-primary)}.tts-settings-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--text-muted);background:transparent;border:none;border-radius:6px;cursor:pointer;transition:all .2s ease}.tts-settings-close:hover{background:var(--bg-secondary);color:var(--text-primary)}.tts-settings-body{padding:20px}.tts-setting-group{margin-bottom:20px}.tts-setting-group:last-child{margin-bottom:0}.tts-setting-group label{display:block;font-size:.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}.tts-provider-options{display:flex;gap:10px}.tts-provider-btn{flex:1;padding:12px 16px;font-size:.9rem;font-weight:500;color:var(--text-secondary);background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:8px;cursor:pointer;transition:all .2s ease}.tts-provider-btn:hover{border-color:var(--accent-primary);color:var(--text-primary)}.tts-provider-btn.active{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff}.tts-voice-select{width:100%;padding:12px 16px;font-size:.9rem;color:var(--text-primary);background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:8px;cursor:pointer;transition:all .2s ease;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}.tts-voice-select:focus{outline:none;border-color:var(--accent-primary)}.tts-test-btn{width:100%;padding:12px 16px;font-size:.9rem;font-weight:500;color:#fff;background:var(--accent-primary);border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.tts-test-btn:hover{background:var(--accent-secondary);transform:translateY(-1px)}[data-theme=light] .tts-btn{background:#f1f5f9}[data-theme=light] .tts-btn:hover{background:#0891b21a}[data-theme=light] .tts-btn.enabled{background:linear-gradient(135deg,#10b981,#059669)}[data-theme=light] .tts-btn.speaking{background:linear-gradient(135deg,#0891b2,#0e7490)}@media (max-width: 768px){.mic-btn{width:44px;height:44px}.mic-btn .mic-icon{width:16px;height:16px}.tts-btn{width:44px;height:44px}.tts-btn .tts-icon{font-size:1.1rem}}.history-sidebar{position:fixed;left:0;top:0;width:240px;height:100vh;background:var(--bg-primary);border-right:1px solid var(--border-light);display:flex;flex-direction:column;z-index:100;transition:transform .25s ease;transform:translate(-240px)}.history-sidebar.open{transform:translate(0)}.history-sidebar.collapsed{transform:translate(-240px)}.container{margin-left:0;transition:margin-left .25s ease}.container.sidebar-open{margin-left:240px}.sidebar-header{display:flex;align-items:center;gap:8px;padding:12px}.new-chat-btn{flex:1;display:flex;align-items:center;gap:8px;padding:10px 12px;background:transparent;border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);font-size:.8rem;font-weight:500;cursor:pointer;transition:all .15s ease}.new-chat-btn:hover{background:var(--bg-tertiary);border-color:var(--text-muted)}.new-chat-btn .plus-icon{font-size:1rem;font-weight:400;color:var(--text-muted)}.sidebar-toggle{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:6px;color:var(--text-muted);cursor:pointer;transition:all .15s ease}.sidebar-toggle:hover{background:var(--bg-tertiary);color:var(--text-primary)}.sidebar-toggle .toggle-icon{font-size:.7rem;transition:transform .25s ease}.history-sidebar.collapsed .sidebar-toggle .toggle-icon{transform:rotate(180deg)}.sidebar-search{padding:0 12px 12px}.sidebar-search input{width:100%;padding:8px 12px;background:var(--bg-secondary);border:none;border-radius:6px;color:var(--text-primary);font-size:.8rem;outline:none;transition:all .15s ease}.sidebar-search input::placeholder{color:var(--text-muted)}.sidebar-search input:focus{background:var(--bg-tertiary);box-shadow:0 0 0 1px 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16px;text-align:center}.history-empty-icon{font-size:2rem;margin-bottom:12px;opacity:.3}.history-empty-text{font-size:.75rem;color:var(--text-muted);line-height:1.4}.sidebar-footer{padding:8px 12px 12px}.clear-history-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:6px;padding:8px 12px;background:transparent;border:none;border-radius:6px;color:var(--text-muted);font-size:.75rem;cursor:pointer;transition:all .15s ease}.clear-history-btn:hover{background:#ef44441a;border-color:var(--error-color);color:var(--error-color)}.sidebar-expand-btn{position:fixed;left:16px;top:16px;width:40px;height:40px;display:none;align-items:center;justify-content:center;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:1.2rem;cursor:pointer;z-index:99;transition:all .2s ease;box-shadow:var(--shadow-sm)}.sidebar-expand-btn.visible{display:flex}.sidebar-expand-btn:hover{background:var(--bg-tertiary);border-color:var(--accent-primary)}[data-theme=light] .history-sidebar{background:#fafafa}[data-theme=light] .sidebar-search input,[data-theme=light] .history-item:hover{background:#f0f0f0}[data-theme=light] .history-item.active{background:#e8e8e8}[data-theme=light] .sidebar-expand-btn{background:#fafafa}@media (max-width: 1024px){.history-sidebar{width:240px}.container{margin-left:240px}.history-sidebar.collapsed+.sidebar-expand-btn+.container{margin-left:0}}@media (max-width: 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