:root{--bg:#f7f8fa;--panel:#fff;--border:#d8dee3;--text:#1c2733;--muted:#62707c;--accent:#0f9e94;--accent-text:#fff;--error:#d1373f;--warning:#b8860b}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}button,select,input{font-family:inherit}button{background:var(--panel);color:var(--text);border:1px solid var(--border);cursor:pointer;border-radius:6px;padding:6px 12px;font-size:13px}button:hover{border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent);font-weight:600}button.primary:hover{opacity:.9}button.primary.danger{background:var(--error);border-color:var(--error)}.ghost-small{color:var(--muted);background:0 0;border:none;padding:2px 6px;font-size:11px}.ghost-small:hover{color:var(--accent);border:none}.app-shell{flex-direction:column;height:100vh;display:flex}.app-header{border-bottom:1px solid var(--border);background:var(--panel);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:10px 20px;display:flex}.app-header h1{margin:0;font-size:15px;font-weight:600}.status-badge{color:var(--muted);align-items:center;gap:7px;font-size:12px;display:flex}.status-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px;position:relative}.status-badge--ready .status-dot{background:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent)}.status-badge--error .status-dot{background:var(--error);box-shadow:0 0 0 3px color-mix(in srgb, var(--error) 18%, transparent)}.status-badge--starting .status-dot{background:var(--warning);box-shadow:0 0 0 3px color-mix(in srgb, var(--warning) 18%, transparent)}.status-badge--starting .status-dot:after{content:"";background:var(--warning);border-radius:50%;animation:1.6s cubic-bezier(0,0,.2,1) infinite status-dot-ping;position:absolute;inset:0}@keyframes status-dot-ping{0%{opacity:.6;transform:scale(1)}75%,to{opacity:0;transform:scale(2.4)}}.app-body{flex:1;min-height:0;display:flex}.app-sidebar{background:var(--panel);flex-direction:column;flex-shrink:0;width:280px;display:flex;overflow:hidden}.sidebar-resize-handle{cursor:col-resize;background:var(--panel);flex-shrink:0;width:6px;position:relative}.sidebar-resize-handle:after{content:"";background:var(--border);width:1px;position:absolute;top:0;bottom:0;left:2px}.sidebar-resize-handle:hover:after{background:var(--accent);width:2px;left:1.5px}.sidebar-tabs{border-bottom:1px solid var(--border);display:flex}.sidebar-tabs button{color:var(--muted);background:0 0;border:none;border-bottom:2px solid #0000;border-radius:0;flex:1;padding:10px;font-size:12px;font-weight:600}.sidebar-tabs button.active{color:var(--accent);border-bottom-color:var(--accent)}.panel-section{flex-direction:column;flex:1;gap:8px;min-height:0;padding:10px;display:flex;overflow-y:auto}.panel-section-header{text-transform:uppercase;letter-spacing:.5px;color:var(--muted);justify-content:space-between;align-items:center;font-size:11px;font-weight:700;display:flex}.empty-hint{color:var(--muted);padding:8px 0;font-size:12px}.import-status{background:color-mix(in srgb, var(--accent) 8%, transparent);color:var(--text);border-radius:6px;align-items:center;gap:8px;padding:8px 10px;font-size:12px;display:flex}.import-spinner{border:2px solid color-mix(in srgb, var(--accent) 30%, transparent);border-top-color:var(--accent);border-radius:50%;flex-shrink:0;width:12px;height:12px;animation:.7s linear infinite import-spin}@keyframes import-spin{to{transform:rotate(360deg)}}.source-mode-tabs{background:var(--bg);border:1px solid var(--border);border-radius:6px;gap:4px;padding:2px;display:flex}.source-mode-tabs button{color:var(--muted);background:0 0;border:none;border-radius:4px;flex:1;padding:5px;font-size:12px;font-weight:400}.source-mode-tabs button.active{background:var(--panel);color:var(--text);font-weight:600}.url-import-panel{flex-direction:column;gap:6px;display:flex}.url-import-panel input,.url-import-panel select{color:var(--text);font-size:12px}.url-import-input{width:100%}.url-import-headers{flex-direction:column;gap:4px;display:flex}.url-import-header-row{gap:4px;display:flex}.url-import-header-row input{flex:1;min-width:0}.url-import-error{color:var(--error);font-size:12px}.url-import-headers .ghost-small{align-self:flex-start}.url-import-hint{color:var(--muted);font-size:11px;line-height:1.4}.dropzone-small{border:2px dashed var(--border);text-align:center;color:var(--muted);cursor:pointer;border-radius:8px;padding:16px 10px;font-size:12px}.dropzone-small:hover,.dropzone-small.drag-over{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 6%, transparent)}.dropzone-small .hint{opacity:.8;margin-top:4px;font-size:11px}.file-tree,.schema-tree,.history-list{margin:0;padding:0;font-size:13px;list-style:none}.file-tree li{border-bottom:1px solid var(--border);align-items:center;gap:6px;padding:6px 4px;display:flex}.file-icon{color:var(--accent)}.file-meta{color:var(--muted);margin-left:auto;font-size:11px}.remove-btn{flex-shrink:0}.remove-btn:hover{color:var(--error)}.xlsx-picker{border:1px solid var(--border);background:var(--bg);border-radius:8px;padding:10px;font-size:12px}.xlsx-picker-title{word-break:break-all;margin-bottom:4px;font-weight:600}.xlsx-picker-subtitle{color:var(--muted);margin-bottom:6px}.xlsx-sheet-row{border-bottom:1px solid var(--border);padding:6px 0}.xlsx-sheet-row:last-of-type{border-bottom:none}.xlsx-sheet-row-top{align-items:center;gap:6px;display:flex}.xlsx-sheet-original-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.xlsx-sheet-row-bottom{align-items:center;gap:6px;margin-top:4px;padding-left:20px;display:flex}.xlsx-sheet-arrow{color:var(--muted);flex-shrink:0;font-size:11px}.xlsx-table-name-input{flex:1;min-width:0;padding:3px 6px;font-size:12px}.xlsx-table-name-input:disabled{opacity:.5}.xlsx-picker-actions{justify-content:flex-end;gap:6px;margin-top:8px;display:flex}.schema-table-row{align-items:center;gap:4px;padding:4px 0;display:flex}.schema-expand{color:var(--muted);background:0 0;border:none;padding:0 4px;font-size:11px}.schema-table-name{cursor:pointer;font-weight:600}.schema-table-name:hover{color:var(--accent)}.schema-columns{margin:0;padding:0 0 0 24px;list-style:none}.schema-columns li{color:var(--muted);justify-content:space-between;padding:2px 0;font-size:12px;display:flex}.col-type{font-family:SF Mono,Menlo,Consolas,monospace;font-size:11px}.history-list li{border-bottom:1px solid var(--border);padding:6px 0}.history-row{cursor:pointer}.history-time{color:var(--muted);margin-right:6px;font-size:11px}.history-sql{font-family:SF Mono,Menlo,Consolas,monospace;font-size:12px}.history-meta{color:var(--muted);justify-content:space-between;align-items:center;margin-top:2px;font-size:11px;display:flex}.history-err-text{color:var(--error)}.app-main{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.editor-pane{flex:1;min-width:0;min-height:0;display:flex}.pane-resize-handle-horizontal{cursor:row-resize;flex-shrink:0;height:6px;position:relative}.pane-resize-handle-horizontal:after{content:"";background:var(--border);height:1px;position:absolute;top:2px;left:0;right:0}.pane-resize-handle-horizontal:hover:after{background:var(--accent);height:2px;top:1.5px}.results-pane{flex:1;min-width:0;min-height:40%;display:flex}.sql-editor-shell{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.sql-editor-toolbar{border-bottom:1px solid var(--border);background:var(--panel);flex-wrap:wrap;align-items:center;gap:12px;min-height:38px;padding:4px 12px;display:flex}.sql-editor-status{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--muted);flex:1;font-size:12px;overflow:hidden}.sql-editor-status.error{color:var(--error)}.sql-editor-toolbar-actions{flex-shrink:0;gap:8px;margin-left:auto;display:flex}.sql-editor-monaco{flex:1;min-height:0}.results-shell{background:var(--panel);flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.results-toolbar{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:8px 12px;display:flex}.results-filter{border:1px solid var(--border);border-radius:6px;width:220px;padding:5px 8px;font-size:12px}.results-toolbar-actions{gap:10px;margin-left:auto;display:flex}.results-footer{border-top:1px solid var(--border);color:var(--muted);flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:6px 12px;font-size:12px;display:flex}.results-footer-count{white-space:nowrap}.results-pagination{border:1px solid var(--border);border-radius:6px;align-items:stretch;margin-left:auto;display:flex;overflow:hidden}.results-pagination-label{white-space:nowrap;align-items:center;gap:6px;padding:4px 10px;display:flex}.results-pagination-sep{background:var(--border);width:1px}.results-page-input{text-align:center;width:44px;padding:2px 4px;font-size:12px}.results-pagination-nav{display:flex}.results-pagination-nav button{border:none;border-left:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:0;padding:4px 10px;font-size:11px}.results-pagination-nav button:disabled{opacity:.35;cursor:not-allowed}.results-error-shell{flex-direction:column;flex:1;min-height:0;display:flex}.results-error-suggestion{background:color-mix(in srgb, var(--accent) 8%, transparent);border-bottom:1px solid var(--border);color:var(--text);flex-wrap:wrap;align-items:center;gap:8px;padding:10px 16px;font-size:13px;display:flex}.results-error-suggestion code{background:color-mix(in srgb, var(--accent) 14%, transparent);border-radius:4px;padding:1px 5px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:12px}.results-error-suggestion button{margin-left:auto}.results-error{color:var(--error);white-space:pre-wrap;text-align:left;flex:1;justify-content:center;align-items:flex-start;padding:16px;font-size:13px;display:flex}.results-running{color:var(--muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:14px;display:flex}.results-running-spinner{border:3px solid color-mix(in srgb, var(--accent) 25%, transparent);border-top-color:var(--accent);border-radius:50%;width:30px;height:30px;animation:.8s linear infinite import-spin}.results-running-text{color:var(--text);font-size:13px}.results-running-bar{background:color-mix(in srgb, var(--accent) 15%, transparent);border-radius:2px;width:220px;height:4px;position:relative;overflow:hidden}.results-running-bar:after{content:"";background:var(--accent);border-radius:2px;width:40%;animation:1.1s ease-in-out infinite results-running-bar-slide;position:absolute;top:0;bottom:0}@keyframes results-running-bar-slide{0%{left:-40%}to{left:100%}}.results-running-elapsed{font-variant-numeric:tabular-nums;font-size:12px}.results-running-hint{color:var(--muted);text-align:center;max-width:280px;font-size:12px}.welcome-panel{flex:1;padding:32px 40px;overflow:auto}.welcome-panel h2{margin:0 0 12px;font-size:17px}.welcome-panel p{color:var(--muted);margin:0 0 14px;font-size:13px;line-height:1.6}.welcome-panel p.welcome-usecases-label{color:var(--text);font-weight:600}.welcome-sample-btn{margin-bottom:8px;padding:9px 16px;font-size:13px}.welcome-panel p.welcome-sample-hint{margin-bottom:24px;font-size:12px}.welcome-usecases{color:var(--muted);margin:0;padding-left:20px;font-size:13px;line-height:1.8}.faq-section{border-top:1px solid var(--border);margin-top:20px;padding-top:20px}.faq-section h2{margin:0 0 16px;font-size:16px}.welcome-panel p.faq-subtitle{color:var(--muted);margin:0 0 14px;font-size:12px}.faq-list{flex-direction:column;gap:8px;display:flex}.faq-item{border:1px solid var(--border);background:var(--panel);border-radius:8px;overflow:hidden}.faq-question{text-align:left;width:100%;color:var(--text);cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;font-size:13px;font-weight:600;display:flex}.faq-question:hover{background:var(--bg)}.faq-chevron{border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);flex-shrink:0;width:8px;height:8px;transition:transform .15s;transform:rotate(45deg)}.faq-item--open .faq-chevron{transform:rotate(-135deg)}.faq-answer{color:var(--muted);margin:0;padding:0 14px 14px;font-size:13px;line-height:1.6}.results-scroll{flex:1;min-height:0;overflow:auto}.results-header-row{z-index:1;background:var(--panel);border-bottom:1px solid var(--border);width:max-content;min-width:100%;display:grid;position:sticky;top:0}.results-header-cell{cursor:pointer;white-space:nowrap;text-overflow:ellipsis;border-right:1px solid var(--border);padding:6px 10px;font-size:12px;font-weight:600;position:relative;overflow:hidden}.results-header-label{text-overflow:ellipsis;display:block;overflow:hidden}.sort-arrow{color:var(--accent)}.col-resize-handle{cursor:col-resize;width:6px;height:100%;position:absolute;top:0;right:0}.col-resize-handle:hover{background:var(--accent);opacity:.4}.results-row{width:max-content;min-width:100%;display:grid;position:absolute;top:0;left:0}.results-row:nth-child(2n){background:var(--bg)}.results-cell{white-space:nowrap;text-overflow:ellipsis;border-right:1px solid var(--border);border-bottom:1px solid var(--border);cursor:pointer;padding:5px 10px;font-size:12px;transition:background .4s;overflow:hidden}.results-cell.cell-copied{background:color-mix(in srgb, var(--accent) 30%, transparent);transition:none}.null-value{color:var(--muted);font-style:italic}.cell-match{background:color-mix(in srgb, var(--warning) 35%, transparent);color:var(--text);border-radius:2px}.results-cell.cell-has-match{background:color-mix(in srgb, var(--warning) 12%, transparent)}.results-header-cell.row-num,.results-cell.row-num{z-index:2;text-align:right;color:var(--muted);font-variant-numeric:tabular-nums;cursor:default;background:var(--panel);position:sticky;left:0}.results-row:nth-child(2n) .row-num{background:var(--bg)}.profile-modal{width:min(720px,92vw);overflow:auto}.profile-summary{gap:24px;margin-bottom:14px;display:flex}.profile-stat-label{color:var(--muted);text-transform:uppercase;font-size:11px;display:block}.profile-stat-value{font-size:18px;font-weight:700;display:block}.profile-table{border-collapse:collapse;width:100%;font-size:12px}.profile-table th,.profile-table td{border-bottom:1px solid var(--border);text-align:left;padding:6px 8px}.profile-table .muted{color:var(--muted)}.app-modal-overlay{z-index:20;background:#00000059;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.app-modal{background:var(--panel);border-radius:10px;flex-direction:column;width:min(640px,92vw);max-height:80vh;padding:18px 20px;display:flex}.modal-header{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px;display:flex}.modal-header h3{margin:0 0 2px;font-size:15px}.modal-actions{justify-content:flex-end;gap:8px;display:flex}.confirm-dialog{width:min(420px,92vw)}.confirm-dialog-message{color:var(--muted);margin:0 0 16px;font-size:13px;line-height:1.5}.cell-inspector-title{word-break:break-all;font-family:SF Mono,Menlo,Consolas,monospace}.cell-inspector-meta{color:var(--muted);font-size:11px}.cell-inspector-value{background:var(--bg);border:1px solid var(--border);white-space:pre-wrap;word-break:break-word;-webkit-user-select:text;user-select:text;border-radius:6px;flex:1;max-height:50vh;margin:0 0 14px;padding:12px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:12px;line-height:1.5;overflow:auto}.cell-inspector-value.null-value{color:var(--muted);font-style:italic}