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solid var(--color-border);white-space:nowrap;max-width:250px;overflow:hidden;text-overflow:ellipsis}.query-table th{background-color:var(--color-bg-main);font-weight:600;color:var(--color-text-dark);position:sticky;top:0;z-index:1}.query-table tr:hover td{background-color:var(--color-accent-light)}.query-table .null-value{color:var(--color-text-light);font-style:italic}.table-truncated{padding:var(--spacing-sm);text-align:center;font-size:.75rem;color:var(--color-text-light);border-top:1px solid var(--color-border);background-color:var(--color-bg-main)}.query-chart-container{margin-top:var(--spacing-md)}.chart-toggle-btn{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);background-color:transparent;color:var(--color-accent);border:1px solid var(--color-accent);border-radius:var(--radius-sm);font-size:.75rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.chart-toggle-btn:hover{background-color:var(--color-accent);color:var(--color-text-white)}.query-chart{margin-top:var(--spacing-sm);padding:var(--spacing-md);background-color:var(--color-bg-white);border:1px solid var(--color-border);border-radius:var(--radius-md)}.chart-type-selector{display:flex;gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.chart-type-selector button{padding:var(--spacing-xs) var(--spacing-sm);background-color:var(--color-bg-main);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:.75rem;cursor:pointer;transition:all var(--transition-fast)}.chart-type-selector button:hover{border-color:var(--color-accent)}.chart-type-selector button.active{background-color:var(--color-accent);border-color:var(--color-accent);color:var(--color-text-white)}.chart-wrapper{height:300px;position:relative}.query-history-section{padding:var(--spacing-sm) var(--spacing-md);border-bottom:1px solid var(--color-border-dark)}.query-history-header{display:flex;align-items:center;gap:var(--spacing-sm);cursor:pointer;padding:var(--spacing-xs) 0;-webkit-user-select:none;user-select:none}.query-history-icon{color:var(--color-text-muted)}.query-history-title{font-size:.75rem;font-weight:600;color:var(--color-text-white);text-transform:uppercase;letter-spacing:.05em;flex:1}.query-history-count{font-size:.6875rem;color:var(--color-text-muted);background-color:var(--color-primary-light);padding:2px 6px;border-radius:var(--radius-sm)}.query-history-chevron{color:var(--color-text-muted);transition:transform var(--transition-fast)}.query-history-chevron.expanded{transform:rotate(180deg)}.query-history-list{margin-top:var(--spacing-sm);max-height:250px;overflow-y:auto}.query-history-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-fast);margin-bottom:2px}.query-history-item:hover{background-color:var(--color-primary-light)}.query-history-item.failed{opacity:.6}.query-history-item-text{flex:1;font-size:.75rem;color:var(--color-text-white);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.query-history-item-time{font-size:.625rem;color:var(--color-text-muted);white-space:nowrap}.query-history-item-remove{background:transparent;border:none;color:var(--color-text-muted);font-size:1rem;line-height:1;cursor:pointer;padding:0 4px;opacity:0;transition:opacity var(--transition-fast),color var(--transition-fast)}.query-history-item:hover .query-history-item-remove{opacity:1}.query-history-item-remove:hover{color:var(--color-error)}.query-history-more{padding:var(--spacing-xs) var(--spacing-sm);font-size:.6875rem;color:var(--color-text-muted);text-align:center}.query-history-clear{width:100%;margin-top:var(--spacing-sm);padding:var(--spacing-xs);background-color:transparent;border:1px solid var(--color-border-dark);border-radius:var(--radius-sm);color:var(--color-text-muted);font-size:.6875rem;cursor:pointer;transition:all var(--transition-fast)}.query-history-clear:hover{border-color:var(--color-error);color:var(--color-error)}.chat-input-wrapper{position:relative}.suggestions-dropdown{position:absolute;bottom:100%;left:0;right:0;background-color:var(--color-bg-white);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:0 -4px 12px #0000001a;margin-bottom:var(--spacing-xs);max-height:280px;overflow-y:auto;z-index:100}.suggestion-item{display:flex;align-items:center;gap:var(--spacing-sm);width:100%;padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:none;border-bottom:1px solid var(--color-border);cursor:pointer;text-align:left;transition:background-color var(--transition-fast)}.suggestion-item:last-child{border-bottom:none}.suggestion-item:hover,.suggestion-item.selected{background-color:var(--color-accent-light)}.suggestion-icon{flex-shrink:0;color:var(--color-text-light);display:flex;align-items:center}.suggestion-item.history .suggestion-icon{color:var(--color-accent)}.suggestion-item.template .suggestion-icon{color:var(--color-success)}.suggestion-item.column .suggestion-icon{color:var(--color-warning)}.suggestion-text{flex:1;font-size:.875rem;color:var(--color-text-dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.suggestion-hint{font-size:.6875rem;color:var(--color-text-light);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap}.sidebar-tabs{flex:1;display:flex;flex-direction:column;overflow:hidden;margin-top:var(--spacing-md)}.tabs-header{display:flex;gap:var(--spacing-xs);padding:var(--spacing-xs);background:#ffffff1a;border-radius:var(--radius-md);margin-bottom:var(--spacing-md)}.tab-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:none;border-radius:var(--radius-sm);color:#ffffffb3;font-size:.8125rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.tab-btn:hover{color:var(--color-text-white);background:#ffffff1a}.tab-btn.active{color:var(--color-text-white);background:#fff3}.tab-badge{display:inline-flex;align-items:center;justify-content:center;min-width:1.25rem;height:1.25rem;padding:0 .375rem;background:#fff3;border-radius:var(--radius-full);font-size:.6875rem;font-weight:600}.tab-btn.active .tab-badge{background:#ffffff4d}.tabs-content{flex:1;overflow-y:auto;overflow-x:hidden}.loading-state{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-xl);color:var(--color-text-muted)}.empty-tab-state{text-align:center;padding:var(--spacing-xl) var(--spacing-md);color:#ffffffb3}.empty-tab-state p{margin:0}.empty-tab-state .hint{font-size:.75rem;color:#ffffff80;margin-top:var(--spacing-xs)}.history-list{display:flex;flex-direction:column;gap:var(--spacing-xs)}.history-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:#ffffff0d;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-fast)}.history-item:hover{background:#ffffff1a}.history-item.failed{opacity:.6}.history-text{flex:1;font-size:.8125rem;color:#ffffffe6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-time{font-size:.6875rem;color:#ffffff80}.history-remove{background:none;border:none;color:#ffffff4d;font-size:1rem;cursor:pointer;padding:0 .25rem;line-height:1;opacity:0;transition:opacity var(--transition-fast),color var(--transition-fast)}.history-item:hover .history-remove{opacity:1}.history-remove:hover{color:var(--color-error)}.clear-history-btn{margin-top:var(--spacing-md);padding:var(--spacing-sm);background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-sm);color:#fff9;font-size:.75rem;cursor:pointer;transition:all var(--transition-fast)}.clear-history-btn:hover{background:#ffffff1a;border-color:#ffffff4d;color:#ffffffe6}.chats-list{display:flex;flex-direction:column;gap:var(--spacing-xs)}.chat-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:#ffffff0d;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-fast)}.chat-item:hover{background:#ffffff1a}.chat-title{flex:1;font-size:.8125rem;color:#ffffffe6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-date{font-size:.6875rem;color:#ffffff80;flex-shrink:0}.chat-delete{background:none;border:none;color:#ffffff4d;font-size:1rem;cursor:pointer;padding:0 .25rem;line-height:1;opacity:0;transition:opacity var(--transition-fast),color var(--transition-fast)}.chat-item:hover .chat-delete{opacity:1}.chat-delete:hover{color:var(--color-error)}.schema-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.upload-btn{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:#ffffff1a;border:1px dashed rgba(255,255,255,.3);border-radius:var(--radius-sm);color:#ffffffe6;font-size:.8125rem;cursor:pointer;transition:all var(--transition-fast)}.upload-btn:hover:not(:disabled){background:#ffffff26;border-color:#ffffff80}.upload-btn:disabled{opacity:.5;cursor:not-allowed}.section-label{font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:#ffffff80;margin-bottom:var(--spacing-xs)}.s3-section{padding:var(--spacing-sm);background:#ffffff0d;border-radius:var(--radius-sm)}.s3-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xs) 0;font-size:.8125rem}.s3-name{flex:1;color:#ffffffe6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.s3-size{font-size:.6875rem;color:#ffffff80}.s3-status{font-size:.75rem;color:#ffffff4d}.s3-status.loaded{color:var(--color-success)}.tables-section{display:flex;flex-direction:column}.table-item{display:flex;flex-direction:column;gap:2px;padding:var(--spacing-sm) var(--spacing-md);background:#ffffff0d;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-fast);margin-bottom:var(--spacing-xs)}.table-item:hover{background:#ffffff1a}.table-item .table-name{font-size:.875rem;font-weight:500;color:#fffffff2}.table-meta{font-size:.6875rem;color:#ffffff80}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn var(--transition-fast)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--color-bg-white);border-radius:var(--radius-lg);box-shadow:0 20px 50px #0003;max-width:500px;width:90%;max-height:80vh;overflow:hidden;display:flex;flex-direction:column;animation:slideUp var(--transition-normal)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--color-border)}.modal-header h3{font-size:1.125rem;font-weight:600;color:var(--color-text-dark);margin:0}.modal-close{background:none;border:none;font-size:1.5rem;color:var(--color-text-light);cursor:pointer;padding:0;line-height:1;transition:color var(--transition-fast)}.modal-close:hover{color:var(--color-text-dark)}.modal-body{padding:var(--spacing-lg);overflow-y:auto;flex:1}.modal-footer{display:flex;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);border-top:1px solid var(--color-border);justify-content:flex-end}.table-modal-stats{display:flex;gap:var(--spacing-xl);margin-bottom:var(--spacing-lg)}.stat-item{display:flex;flex-direction:column}.stat-value{font-size:1.5rem;font-weight:600;color:var(--color-primary)}.stat-label{font-size:.75rem;color:var(--color-text-light);text-transform:uppercase;letter-spacing:.05em}.table-modal-columns h4{font-size:.875rem;font-weight:600;color:var(--color-text-medium);margin-bottom:var(--spacing-sm)}.columns-list{background:var(--color-bg-main);border-radius:var(--radius-md);padding:var(--spacing-sm);max-height:300px;overflow-y:auto}.column-row{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xs) var(--spacing-sm)}.column-row:hover{background:#00000008;border-radius:var(--radius-sm)}.column-key{width:1.5rem;font-size:.75rem}.column-row .column-name{flex:1;font-size:.875rem;font-weight:500;color:var(--color-text-dark)}.column-row .column-type{font-size:.75rem;font-family:monospace;color:var(--color-text-light);background:var(--color-bg-white);padding:.125rem .5rem;border-radius:var(--radius-sm)}.btn-secondary{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-main);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-medium);font-size:.875rem;cursor:pointer;transition:all var(--transition-fast)}.btn-secondary:hover{background:var(--color-border)}.btn-danger{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-error);border:none;border-radius:var(--radius-md);color:#fff;font-size:.875rem;cursor:pointer;transition:background-color var(--transition-fast)}.btn-danger:hover{background:#c53030}.welcome-chips{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);justify-content:center;margin-top:var(--spacing-lg)}.welcome-chip{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:.875rem;color:var(--color-text-medium);cursor:pointer;transition:all var(--transition-fast)}.welcome-chip:hover{border-color:var(--color-accent);color:var(--color-accent);box-shadow:0 2px 8px #3182ce26}.welcome-chip-icon{font-size:1rem}.thinking-status{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:linear-gradient(135deg,#667eea,#764ba2);border-radius:var(--radius-md);margin-bottom:var(--spacing-sm);color:#fff}.thinking-icon{display:flex;align-items:center}.thinking-icon svg{width:20px;height:20px}.thinking-icon svg.pulse{animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.1)}}.thinking-label{font-weight:500;font-size:.875rem}.thinking-preview{flex:1;font-size:.75rem;opacity:.8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:300px;font-style:italic}.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);padding:var(--spacing-lg)}.auth-container{width:100%;max-width:400px}.auth-logo{text-align:center;color:var(--color-text-white);margin-bottom:var(--spacing-xl)}.auth-logo .logo-circle{width:80px;height:80px;border-radius:50%;background-color:var(--color-bg-white);color:var(--color-primary);display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;margin:0 auto var(--spacing-md)}.auth-logo h1{font-size:1.75rem;margin-bottom:var(--spacing-xs)}.auth-logo p{opacity:.9;font-size:1rem}.auth-form{background-color:var(--color-bg-white);padding:var(--spacing-xl);border-radius:var(--radius-lg);box-shadow:0 4px 20px #0003}.auth-form h2{text-align:center;color:var(--color-text-dark);margin-bottom:var(--spacing-lg);font-size:1.5rem}.auth-error{background-color:#fed7d7;color:var(--color-error);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-md);font-size:.875rem;text-align:center}.form-group{margin-bottom:var(--spacing-md)}.form-group label{display:block;font-size:.875rem;font-weight:500;color:var(--color-text-medium);margin-bottom:var(--spacing-xs)}.form-group input{width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:1rem;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-group input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.form-group input:disabled{background-color:var(--color-bg-main);cursor:not-allowed}.auth-submit{width:100%;padding:var(--spacing-sm) var(--spacing-md);background-color:var(--color-primary);color:var(--color-text-white);border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:500;cursor:pointer;transition:background-color var(--transition-fast);margin-top:var(--spacing-sm)}.auth-submit:hover:not(:disabled){background-color:var(--color-primary-light)}.auth-submit:disabled{opacity:.7;cursor:not-allowed}.auth-toggle{text-align:center;margin-top:var(--spacing-lg);font-size:.875rem;color:var(--color-text-medium)}.auth-toggle button{background:none;border:none;color:var(--color-accent);cursor:pointer;font-weight:500;padding:0;font-size:inherit}.auth-toggle button:hover{text-decoration:underline}.user-menu{margin-top:auto;padding-top:var(--spacing-md);border-top:1px solid var(--color-border-dark)}.user-info{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm);color:var(--color-text-white)}.user-email{font-size:.875rem;opacity:.9;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:180px}.logout-btn{background:none;border:1px solid var(--color-border-dark);color:var(--color-text-white);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);font-size:.75rem;cursor:pointer;transition:background-color var(--transition-fast)}.logout-btn:hover{background-color:#ffffff1a}.loading-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background-color:var(--color-bg-main)}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}