:root{--grid-border:#e0e0e0;--grid-border-dark:#d0d0d0;--header-bg:#f8f9fa;--header-text:#5f6368;--cell-bg:#fff;--cell-text:#202124;--selection-border:#1a73e8;--selection-bg:#1a73e814;--toolbar-bg:#fff;--toolbar-border:#dadce0;--formula-bar-bg:#fff;--formula-bar-border:#dadce0;--tab-bg:#f0f0f0;--tab-active-bg:#fff;--tab-border:#dadce0;--status-bg:#f8f9fa;--status-text:#5f6368;--context-menu-bg:#fff;--context-menu-hover:#f0f0f0;--context-menu-text:#202124;--context-menu-shadow:0 2px 8px #00000026;--danger-color:#d93025;--font-family:-apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif}@media (prefers-color-scheme:dark){:root{--grid-border:#3c4043;--grid-border-dark:#5f6368;--header-bg:#292a2d;--header-text:#9aa0a6;--cell-bg:#202124;--cell-text:#e8eaed;--selection-border:#8ab4f8;--selection-bg:#8ab4f81f;--toolbar-bg:#292a2d;--toolbar-border:#3c4043;--formula-bar-bg:#292a2d;--formula-bar-border:#3c4043;--tab-bg:#292a2d;--tab-active-bg:#202124;--tab-border:#3c4043;--status-bg:#292a2d;--status-text:#9aa0a6;--context-menu-bg:#333639;--context-menu-hover:#3c4043;--context-menu-text:#e8eaed;--context-menu-shadow:0 2px 8px #0006;--danger-color:#f28b82}}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;font-family:var(--font-family);color:var(--cell-text);background:var(--cell-bg);user-select:none;font-size:13px;overflow:hidden}.app-container{flex-direction:column;width:100vw;height:100vh;display:flex}.toolbar{background:var(--toolbar-bg);border-bottom:1px solid var(--toolbar-border);flex-shrink:0;align-items:center;gap:2px;min-height:36px;padding:4px 8px;display:flex}.toolbar-btn{width:28px;height:28px;color:var(--cell-text);cursor:pointer;font-size:14px;font-family:var(--font-family);background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;transition:background .1s;display:inline-flex}.toolbar-btn:hover{background:var(--selection-bg)}.toolbar-btn.active{background:var(--selection-bg);color:var(--selection-border)}.toolbar-btn-wide{width:auto;min-width:36px;padding:0 6px;font-size:12px}.toolbar-font-family-btn{text-align:left;text-overflow:ellipsis;white-space:nowrap;width:auto;min-width:80px;max-width:120px;padding:0 8px;font-size:12px;overflow:hidden}.toolbar-font-family-menu{min-width:160px}.toolbar-separator{background:var(--toolbar-border);width:1px;height:20px;margin:0 4px}.toolbar-brand{color:var(--header-text);align-items:center;gap:4px;margin-left:auto;font-size:11px;display:inline-flex}.toolbar-brand-logo{width:18px;height:18px}.toolbar-dropdown-menu{z-index:100;background:var(--context-menu-bg);border:1px solid var(--toolbar-border);box-shadow:var(--context-menu-shadow);border-radius:6px;min-width:60px;max-height:300px;padding:4px 0;position:absolute;top:100%;left:0;overflow-y:auto}.toolbar-dropdown-item{cursor:pointer;color:var(--context-menu-text);padding:4px 12px;font-size:12px}.toolbar-dropdown-item:hover{background:var(--context-menu-hover)}.toolbar-dropdown-item.active{color:var(--selection-border);font-weight:600}.toolbar-color-picker{z-index:100;background:var(--context-menu-bg);border:1px solid var(--toolbar-border);box-shadow:var(--context-menu-shadow);border-radius:6px;grid-template-columns:repeat(10,20px);gap:2px;width:auto;padding:8px;display:grid;position:absolute;top:100%;left:0}.toolbar-color-swatch{cursor:pointer;border:1px solid var(--grid-border);border-radius:2px;width:20px;height:20px;transition:transform .1s}.toolbar-color-swatch:hover{z-index:1;transform:scale(1.2)}.toolbar-color-none{background:var(--cell-bg);color:var(--danger-color);justify-content:center;align-items:center;font-weight:700;display:flex}.toolbar-hex-row{border-top:1px solid var(--grid-border);grid-column:1/-1;align-items:center;gap:6px;margin-top:4px;padding-top:4px;display:flex}.toolbar-hex-preview{border:1px solid var(--grid-border);border-radius:2px;flex-shrink:0;width:20px;height:20px}.toolbar-hex-input{border:1px solid var(--grid-border);background:var(--cell-bg);min-width:0;color:var(--cell-text);border-radius:3px;outline:none;flex:1;padding:2px 4px;font-family:SF Mono,ui-monospace,monospace;font-size:11px}.toolbar-hex-input:focus{border-color:var(--selection-border)}.formula-bar{border-bottom:1px solid var(--formula-bar-border);background:var(--formula-bar-bg);flex-shrink:0;align-items:stretch;min-height:28px;display:flex}.formula-bar-cell-ref{border-right:1px solid var(--formula-bar-border);width:80px;min-width:80px;min-height:28px;color:var(--cell-text);background:var(--header-bg);text-align:center;cursor:pointer;justify-content:center;align-self:flex-start;align-items:center;padding:0 8px;font-size:12px;font-weight:500;display:flex}.formula-bar-name-input{width:100%;height:100%;font-size:12px;font-weight:500;font-family:var(--font-family);color:var(--cell-text);background:var(--cell-bg);text-align:center;border:none;outline:none;padding:0 4px}.formula-bar-fx{border-right:1px solid var(--formula-bar-border);justify-content:center;align-self:flex-start;align-items:center;width:28px;min-width:28px;min-height:28px;display:flex}.formula-bar-fx-icon{color:var(--header-text);font-size:11px;font-style:italic;font-weight:500}.formula-bar-input{height:20px;min-height:20px;font-size:13px;font-family:var(--font-family);color:var(--cell-text);background:var(--formula-bar-bg);resize:none;white-space:nowrap;user-select:text;cursor:text;border:none;outline:none;flex:1;padding:2px 8px;line-height:16px;overflow:hidden}.formula-bar-input:focus{background:var(--cell-bg)}.formula-bar-expanded .formula-bar-input{white-space:pre-wrap;overflow-y:auto}.formula-bar-input [data-ref]{border-radius:2px;padding:0 1px}.formula-bar-expand-btn{width:20px;min-width:20px;height:100%;color:var(--header-text);cursor:pointer;background:0 0;border:none;justify-content:center;align-self:flex-end;align-items:center;padding:4px 0;display:flex}.formula-bar-expand-btn:hover{color:var(--cell-text)}.find-bar{background:var(--formula-bar-bg);border-bottom:1px solid var(--formula-bar-border);flex-direction:column;flex-shrink:0;gap:4px;padding:6px 12px;display:flex}.find-bar-row{align-items:center;gap:4px;display:flex}.find-bar-input{border:1px solid var(--grid-border);min-width:120px;font-size:12px;font-family:var(--font-family);color:var(--cell-text);background:var(--cell-bg);border-radius:4px;outline:none;flex:1;padding:4px 8px}.find-bar-input:focus{border-color:var(--selection-border)}.find-bar-match-info{color:var(--header-text);text-align:center;white-space:nowrap;min-width:60px;font-size:11px}.find-bar-toggle{border:1px solid var(--grid-border);width:24px;height:24px;color:var(--header-text);font-size:10px;font-family:var(--font-family);cursor:pointer;background:0 0;border-radius:4px;justify-content:center;align-items:center;font-weight:600;transition:background .1s;display:inline-flex}.find-bar-toggle:hover{background:var(--selection-bg)}.find-bar-toggle.active{background:var(--selection-bg);color:var(--selection-border);border-color:var(--selection-border)}.find-bar-btn{width:24px;height:24px;color:var(--cell-text);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;transition:background .1s;display:inline-flex}.find-bar-btn:hover{background:var(--selection-bg)}.find-bar-btn-text{border:1px solid var(--grid-border);color:var(--cell-text);font-size:11px;font-family:var(--font-family);cursor:pointer;white-space:nowrap;background:0 0;border-radius:4px;padding:4px 10px;transition:background .1s}.find-bar-btn-text:hover{background:var(--selection-bg)}.find-bar-close{width:24px;height:24px;color:var(--header-text);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;transition:background .1s;display:inline-flex}.find-bar-close:hover{background:var(--selection-bg);color:var(--danger-color)}.virtual-grid-container{cursor:default;flex:1;position:relative;overflow:hidden}.virtual-grid-canvas{width:100%;height:100%;position:absolute;top:0;left:0}.cell-editor-textarea{border:2px solid var(--selection-border);font-size:13px;font-family:var(--font-family);color:var(--cell-text);background:var(--cell-bg);resize:none;box-sizing:border-box;user-select:text;outline:none;padding:0 4px;line-height:21px;overflow:hidden}.autocomplete-dropdown{background:var(--context-menu-bg);border:1px solid var(--toolbar-border);box-shadow:var(--context-menu-shadow);border-radius:4px;max-height:160px;padding:2px 0;overflow-y:auto}.autocomplete-item{font-size:12px;font-family:var(--font-family);color:var(--context-menu-text);cursor:pointer;white-space:nowrap;text-overflow:ellipsis;padding:4px 8px;overflow:hidden}.autocomplete-item:hover,.autocomplete-item.selected{background:var(--selection-bg);color:var(--selection-border)}.formula-autocomplete{max-height:220px}.formula-autocomplete .autocomplete-item{align-items:baseline;gap:8px;padding:5px 10px;display:flex}.formula-ac-name{min-width:80px;font-size:12px;font-weight:600}.formula-ac-sig{color:var(--header-text);font-family:SF Mono,Menlo,Monaco,monospace;font-size:11px}.sheet-tabs{border-top:1px solid var(--tab-border);background:var(--tab-bg);flex-shrink:0;align-items:stretch;min-height:30px;display:flex;position:relative}.sheet-tabs-list{flex:1;align-items:stretch;display:flex;overflow:hidden}.sheet-tabs-list::-webkit-scrollbar{height:3px}.sheet-tabs-list::-webkit-scrollbar-thumb{background:var(--grid-border-dark);border-radius:2px}.sheet-tab{border-right:1px solid var(--tab-border);color:var(--header-text);cursor:pointer;white-space:nowrap;background:var(--tab-bg);align-items:center;min-width:60px;padding:0 16px;font-size:12px;transition:background .1s;display:flex}.sheet-tab:hover{background:var(--header-bg)}.sheet-tab.active{background:var(--tab-active-bg);color:var(--cell-text);border-bottom:2px solid var(--selection-border);font-weight:500}.sheet-tab-rename-input{border:1px solid var(--selection-border);width:80px;font-size:12px;font-family:var(--font-family);color:var(--cell-text);background:var(--cell-bg);user-select:text;border-radius:2px;outline:none;padding:2px 4px}.sheet-tab-add{border-right:1px solid var(--tab-border);width:30px;min-width:30px;color:var(--header-text);cursor:pointer;background:0 0;border-top:none;border-bottom:none;border-left:none;justify-content:center;align-items:center;font-size:16px;display:flex}.sheet-tab-add:hover{background:var(--header-bg);color:var(--cell-text)}.sheet-tab.drag-over-left{box-shadow:inset 3px 0 0 0 var(--selection-border)}.sheet-tab.drag-over-right{box-shadow:inset -3px 0 0 0 var(--selection-border)}.sheet-tab-scroll-arrow{border:none;border-right:1px solid var(--tab-border);width:24px;min-width:24px;color:var(--header-text);cursor:pointer;background:var(--tab-bg);justify-content:center;align-items:center;padding:0;font-size:12px;display:flex}.sheet-tab-scroll-arrow:hover{background:var(--header-bg);color:var(--cell-text)}.sheet-tab-context-menu{z-index:200;background:var(--context-menu-bg);border:1px solid var(--toolbar-border);box-shadow:var(--context-menu-shadow);border-radius:6px;min-width:150px;padding:4px 0;position:fixed}.context-menu-item{cursor:pointer;color:var(--context-menu-text);justify-content:space-between;align-items:center;gap:24px;padding:6px 16px;font-size:12px;display:flex}.context-menu-item:hover{background:var(--context-menu-hover)}.context-menu-shortcut{color:var(--header-text);opacity:.7;flex-shrink:0;font-size:11px}.context-menu-item.destructive{color:var(--danger-color)}.context-menu-item.disabled{color:var(--header-text);cursor:default;opacity:.5}.context-menu-separator{background:var(--toolbar-border);height:1px;margin:4px 0}.sheet-tab-color-picker{flex-wrap:wrap;gap:3px;padding:6px 12px;display:flex}.sheet-tab-color-swatch{cursor:pointer;border:1px solid var(--grid-border);border-radius:3px;justify-content:center;align-items:center;width:20px;height:20px;transition:transform .1s;display:flex}.sheet-tab-color-swatch:hover{transform:scale(1.2)}.status-bar{background:var(--status-bg);border-top:1px solid var(--tab-border);min-height:24px;color:var(--status-text);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 12px;font-size:11px;display:flex}.status-bar-left,.status-bar-center,.status-bar-right{align-items:center;gap:12px;display:flex}.status-bar-left{min-width:200px}.status-bar-center{flex:1;justify-content:center}.status-bar-right{justify-content:flex-end;min-width:150px}.status-mode{border-radius:3px;padding:1px 8px;font-weight:500}.status-mode.editing{background:var(--selection-bg);color:var(--selection-border)}.status-message{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.status-selection-summary{color:var(--cell-text);font-weight:500}.status-zoom-label{text-align:right;min-width:30px;font-size:10px}.status-zoom-slider{appearance:none;background:var(--grid-border);cursor:pointer;border-radius:2px;outline:none;width:80px;height:4px}.status-zoom-slider::-webkit-slider-thumb{appearance:none;background:var(--header-text);cursor:pointer;border-radius:50%;width:12px;height:12px}.save-status{align-items:center;gap:4px;padding:0 8px;font-size:10px;display:flex}.save-status-dot{border-radius:50%;width:6px;height:6px;display:inline-block}.save-status-saved .save-status-dot{background:#34a853}.save-status-unsaved .save-status-dot{background:#ea4335}.save-status-saving .save-status-dot{background:#fbbc04}.status-zoom-dropdown{align-items:center;display:inline-flex}.status-zoom-clickable{cursor:pointer;border-radius:3px;padding:1px 4px;transition:background .1s}.status-zoom-clickable:hover{background:var(--selection-bg)}.status-zoom-menu{z-index:200;background:var(--context-menu-bg);border:1px solid var(--toolbar-border);box-shadow:var(--context-menu-shadow);border-radius:6px;min-width:70px;margin-bottom:4px;padding:4px 0;position:absolute;bottom:100%;right:0}.status-zoom-menu-item{cursor:pointer;color:var(--context-menu-text);text-align:right;padding:4px 12px;font-size:11px}.status-zoom-menu-item:hover{background:var(--context-menu-hover)}.status-zoom-menu-item.active{color:var(--selection-border);font-weight:600}.status-stat-menu{z-index:200;background:var(--context-menu-bg);border:1px solid var(--toolbar-border);box-shadow:var(--context-menu-shadow);border-radius:6px;min-width:100px;padding:4px 0}.status-stat-menu-item{cursor:pointer;color:var(--context-menu-text);align-items:center;gap:8px;padding:4px 12px;font-size:11px;display:flex}.status-stat-menu-item:hover{background:var(--context-menu-hover)}.status-stat-check{text-align:center;width:12px;color:var(--selection-border);font-size:11px}.chart-overlay{z-index:50;background:var(--cell-bg);border:1px solid var(--grid-border-dark);border-radius:6px;flex-direction:column;display:flex;position:absolute;overflow:hidden;box-shadow:0 4px 16px #0000001f}.chart-overlay-header{background:var(--header-bg);border-bottom:1px solid var(--grid-border);cursor:grab;flex-shrink:0;justify-content:space-between;align-items:center;height:28px;padding:0 8px;display:flex}.chart-overlay-header:active{cursor:grabbing}.chart-overlay-title{color:var(--header-text);text-overflow:ellipsis;white-space:nowrap;font-size:11px;font-weight:500;overflow:hidden}.chart-overlay-close{width:20px;height:20px;color:var(--header-text);cursor:pointer;background:0 0;border:none;border-radius:3px;justify-content:center;align-items:center;transition:background .1s,color .1s;display:inline-flex}.chart-overlay-close:hover{background:var(--selection-bg);color:var(--danger-color)}.chart-overlay-header-actions{align-items:center;gap:2px;display:flex}.chart-overlay-action-btn{width:20px;height:20px;color:var(--header-text);cursor:pointer;background:0 0;border:none;border-radius:3px;justify-content:center;align-items:center;transition:background .1s,color .1s;display:inline-flex}.chart-overlay-action-btn:hover{background:var(--selection-bg);color:var(--selection-border)}.chart-overlay-body{flex:1;justify-content:center;align-items:center;display:flex;overflow:hidden}.chart-overlay-body svg{width:100%;height:100%}.chart-overlay-resize{cursor:nwse-resize;width:14px;height:14px;position:absolute;bottom:0;right:0}.chart-overlay-resize:after{content:"";border-right:2px solid var(--grid-border-dark);border-bottom:2px solid var(--grid-border-dark);width:8px;height:8px;position:absolute;bottom:3px;right:3px}.chart-dialog-backdrop{z-index:300;background:#0000004d;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.chart-dialog{background:var(--cell-bg);border:1px solid var(--toolbar-border);border-radius:8px;flex-direction:column;width:520px;max-height:80vh;display:flex;overflow:hidden;box-shadow:0 8px 32px #0003}.chart-dialog-header{border-bottom:1px solid var(--toolbar-border);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.chart-dialog-header h2{color:var(--cell-text);margin:0;font-size:14px;font-weight:600}.chart-dialog-body{flex-direction:column;gap:12px;padding:16px;display:flex;overflow-y:auto}.chart-dialog-field{flex-direction:column;gap:4px;display:flex}.chart-dialog-label{color:var(--header-text);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:500}.chart-dialog-input{border:1px solid var(--grid-border);font-size:13px;font-family:var(--font-family);color:var(--cell-text);background:var(--cell-bg);border-radius:4px;outline:none;padding:6px 10px}.chart-dialog-input:focus{border-color:var(--selection-border)}.chart-dialog-type-group{margin-bottom:8px}.chart-dialog-type-group-label{color:var(--header-text);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:10px;font-weight:600;display:block}.chart-dialog-type-grid{grid-template-columns:repeat(5,1fr);gap:6px;display:grid}.chart-dialog-type-btn{border:1px solid var(--grid-border);color:var(--cell-text);cursor:pointer;background:0 0;border-radius:6px;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;font-size:10px;transition:border-color .1s,background .1s;display:flex}.chart-dialog-type-btn:hover{background:var(--selection-bg)}.chart-dialog-type-btn.active{border-color:var(--selection-border);background:var(--selection-bg);color:var(--selection-border)}.chart-dialog-preview{border:1px solid var(--grid-border);background:#fafafa;border-radius:4px;justify-content:center;align-items:center;min-height:120px;display:flex;overflow:hidden}.chart-dialog-preview svg{max-width:100%;max-height:200px}.chart-dialog-footer{border-top:1px solid var(--toolbar-border);justify-content:flex-end;align-items:center;gap:8px;padding:12px 16px;display:flex}.chart-dialog-btn{border:1px solid var(--grid-border);font-size:12px;font-family:var(--font-family);cursor:pointer;color:var(--cell-text);background:0 0;border-radius:4px;padding:6px 16px;transition:background .1s}.chart-dialog-btn:hover{background:var(--selection-bg)}.chart-dialog-btn-primary{background:var(--selection-border);color:#fff;border-color:var(--selection-border)}.chart-dialog-btn-primary:hover{opacity:.9;background:var(--selection-border)}.format-dialog-backdrop{z-index:300;background:#0000004d;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.format-dialog{background:var(--cell-bg);border:1px solid var(--toolbar-border);border-radius:8px;flex-direction:column;width:440px;max-height:80vh;display:flex;overflow:hidden;box-shadow:0 8px 32px #0003}.format-dialog-header{border-bottom:1px solid var(--toolbar-border);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.format-dialog-header h2{color:var(--cell-text);margin:0;font-size:14px;font-weight:600}.format-dialog-tabs{border-bottom:1px solid var(--toolbar-border);padding:0 8px;display:flex}.format-dialog-tab{color:var(--header-text);font-size:12px;font-family:var(--font-family);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:8px 14px;transition:color .1s,border-color .1s}.format-dialog-tab:hover{color:var(--cell-text)}.format-dialog-tab.active{color:var(--selection-border);border-bottom-color:var(--selection-border);font-weight:500}.format-dialog-body{min-height:200px;padding:16px;overflow-y:auto}.format-dialog-section{margin-bottom:14px}.format-dialog-label{color:var(--header-text);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:11px;font-weight:500;display:block}.format-dialog-select{border:1px solid var(--grid-border);width:100%;font-size:13px;font-family:var(--font-family);color:var(--cell-text);background:var(--cell-bg);border-radius:4px;outline:none;padding:6px 10px}.format-dialog-select:focus{border-color:var(--selection-border)}.format-dialog-input{border:1px solid var(--grid-border);width:100%;font-size:13px;font-family:var(--font-family);color:var(--cell-text);background:var(--cell-bg);box-sizing:border-box;border-radius:4px;outline:none;padding:6px 10px}.format-dialog-input:focus{border-color:var(--selection-border)}.format-dialog-list{border:1px solid var(--grid-border);border-radius:4px;max-height:160px;overflow-y:auto}.format-dialog-list-item{cursor:pointer;color:var(--cell-text);padding:6px 12px;font-size:12px}.format-dialog-list-item:hover{background:var(--selection-bg)}.format-dialog-list-item.active{background:var(--selection-bg);color:var(--selection-border);font-weight:500}.format-dialog-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.format-dialog-checkbox{color:var(--cell-text);cursor:pointer;align-items:center;gap:4px;font-size:13px;display:flex}.format-dialog-checkbox input[type=checkbox]{accent-color:var(--selection-border)}.format-dialog-color-input{border:1px solid var(--grid-border);cursor:pointer;background:var(--cell-bg);border-radius:4px;width:40px;height:28px;padding:2px}.format-dialog-color-grid{grid-template-columns:repeat(7,28px);gap:3px;display:grid}.format-dialog-align-btn{border:1px solid var(--grid-border);font-size:12px;font-family:var(--font-family);cursor:pointer;color:var(--cell-text);background:0 0;border-radius:4px;padding:6px 14px;transition:background .1s}.format-dialog-align-btn:hover{background:var(--selection-bg)}.format-dialog-align-btn.active{background:var(--selection-bg);color:var(--selection-border);border-color:var(--selection-border)}.format-dialog-preview{border:1px solid var(--grid-border);background:var(--cell-bg);font-size:13px;font-family:var(--font-family);color:var(--cell-text);border-radius:4px;align-items:center;min-height:32px;padding:8px 12px;display:flex}.format-dialog-footer{border-top:1px solid var(--toolbar-border);justify-content:flex-end;align-items:center;gap:8px;padding:12px 16px;display:flex}.border-preview-container{width:200px;height:120px;margin:0 auto;position:relative}.border-preview-inner{background:var(--cell-bg);border:1px solid 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