:root{--bg-color: #fff;--surface-color: #fff;--border-color: #d4d4d4;--header-bg: #f0f2f5;--header-text: #333;--text-color: #333;--secondary-text: #666;--selection-border: #1890ff;--selection-bg: #e6f7ff;--highlight-text: #0050b3;--selected-text-color: #333;--cell-bg: #fff;--font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif}[data-theme=dark]{--bg-color: #0a0a0a;--surface-color: #262626;--border-color: #525252;--header-bg: #262626;--header-text: #d9d9d9;--text-color: #d9d9d9;--secondary-text: #a3a3a3;--selection-border: #3b82f6;--selection-bg: rgba(37, 52, 95, .6);--highlight-text: #fafafa;--selected-text-color: #d9d9d9;--cell-bg: #171717}.spreadsheet-wrapper{display:flex;flex-direction:column;width:100%;height:100%;overflow:hidden;position:relative;min-width:0}[data-formula-bar=false] .spreadsheet-toolbar{display:none!important}.spreadsheet-toolbar{padding:10px;background:var(--cell-bg);border-bottom:1px solid var(--border-color);display:flex;align-items:center;gap:10px;flex-shrink:0;z-index:100;width:100%;max-width:100%;box-sizing:border-box;overflow:hidden}.spreadsheet-formula-label{font-weight:700;font-size:.9rem;color:var(--secondary-text);cursor:pointer;transition:all .2s;border:1px solid var(--border-color);border-radius:4px;white-space:nowrap;flex-shrink:0;display:flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0}.spreadsheet-formula-label:hover{color:var(--accent);border-color:var(--accent)}#spreadsheet-formula-input{flex:1;min-width:0;height:36px;padding:0 12px;border:1px solid var(--border-color);border-radius:4px;font-family:monospace;font-size:1rem;outline:none;background:var(--cell-bg);color:var(--text-color)}#spreadsheet-formula-input:focus{border-color:var(--selection-border)}.spreadsheet-help-icon{color:var(--secondary-text);font-size:1.2rem;display:flex;align-items:center;text-decoration:none;cursor:pointer;transition:color .2s}.spreadsheet-help-icon:hover{color:var(--text-color)}.spreadsheet-container{flex:1;overflow:auto;position:relative;min-height:200px;outline:none;cursor:default;background-color:var(--bg-color)}.spreadsheet-container table{border-collapse:separate;border-spacing:0;table-layout:fixed}.spreadsheet-container th,.spreadsheet-container td{border-right:1px solid var(--border-color);border-bottom:1px solid var(--border-color);padding:0;text-align:left;font-size:14px;white-space:nowrap;overflow:hidden;border-top:none;border-left:none}.spreadsheet-container th.row-header{background-color:var(--header-bg);color:var(--secondary-text);font-weight:600;text-align:center;height:28px;min-width:50px;position:sticky;left:0;z-index:3;user-select:none;border:none;box-shadow:inset -1px 0 0 var(--border-color),inset 0 -1px 0 var(--border-color),inset 1px 0 0 var(--border-color);transform:translateZ(0);will-change:transform}.spreadsheet-container th.corner-header{position:sticky;top:0;left:0;z-index:20!important;background-color:var(--header-bg);height:25px;border:none;box-shadow:inset -1px 0 0 var(--border-color),inset 0 -1px 0 var(--border-color),inset 1px 0 0 var(--border-color),inset 0 1px 0 var(--border-color);transform:translateZ(0);will-change:transform}.spreadsheet-container th.col-header{color:var(--secondary-text);font-weight:600;text-align:center;overflow:visible;position:sticky;top:0;z-index:15;background-color:var(--header-bg);height:25px;border:none;box-shadow:inset -1px 0 0 var(--border-color),inset 0 -1px 0 var(--border-color),inset 0 1px 0 var(--border-color);transform:translateZ(0);will-change:transform}.spreadsheet-container tr.var-header-row td{background-color:var(--header-bg);color:var(--header-text);font-weight:700;text-align:center;height:24px;position:sticky;top:25px;z-index:10;user-select:none;cursor:text;border:none;box-shadow:inset -1px 0 0 var(--border-color),inset 0 -1px 0 var(--border-color);transform:translateZ(0);will-change:transform}.spreadsheet-container tr.var-header-row th.row-header{position:sticky;top:25px;left:0;z-index:12;height:24px;border:none;box-shadow:inset -1px 0 0 var(--border-color),inset 0 -1px 0 var(--border-color),inset 1px 0 0 var(--border-color);transform:translateZ(0);will-change:transform}.spreadsheet-container tr.var-header-row td.active-cell,.spreadsheet-container tr.var-header-row td.selected-range{background-color:var(--selection-bg);color:var(--highlight-text)}.spreadsheet-container td{height:24px;padding:0 4px;cursor:cell;background:var(--cell-bg);user-select:none;color:var(--text-color)}.spreadsheet-container .cell-input{width:100%;height:100%;border:none;outline:none;padding:0;margin:0;font-family:inherit;font-size:inherit;background:transparent;display:block;text-align:inherit;color:inherit;user-select:text;box-sizing:border-box;border-radius:0;line-height:inherit}.spreadsheet-container .active-cell{border:2px solid var(--selection-border)!important;outline:none;position:relative;z-index:1}.spreadsheet-container .selected-range{background-color:var(--selection-bg);color:var(--selected-text-color)}.clipboard-overlay{position:absolute;border:2px dashed var(--selection-border);pointer-events:none;z-index:5;display:none;animation:pulse-border 1.5s infinite;background-color:#1890ff0d}@keyframes pulse-border{0%{opacity:1}50%{opacity:.5}to{opacity:1}}.highlight-header{background-color:var(--selection-bg);color:var(--highlight-text)}.theme-toggle{background:none;border:1px solid var(--border-color);color:var(--text-color);padding:6px 12px;border-radius:4px;cursor:pointer;font-size:.9rem}.theme-toggle:hover{background-color:var(--header-bg)}.spreadsheet-suggestions-box{position:absolute;background:var(--surface-color);border:1px solid var(--border-color);box-shadow:0 4px 6px #0000001a;max-height:200px;overflow-y:auto;z-index:100;display:none;min-width:150px;border-radius:4px}.spreadsheet-suggestion-item{padding:8px 12px;cursor:pointer;color:var(--text-color);font-size:.9rem}.spreadsheet-suggestion-item:hover,.spreadsheet-suggestion-item.active{background-color:var(--selection-bg);color:var(--highlight-text)}.resize-handle{position:absolute;top:0;right:-3px;width:6px;height:100%;cursor:col-resize;z-index:10}.resize-handle:hover{background-color:var(--selection-border)}.spreadsheet-toast{position:fixed;bottom:20px;right:20px;background:#333;color:#fff;padding:10px 20px;border-radius:4px;font-size:.9rem;opacity:0;transform:translateY(20px);transition:opacity .3s,transform .3s;pointer-events:none;z-index:200}.spreadsheet-toast.show{opacity:1;transform:translateY(0)}.context-menu{position:absolute;background:var(--surface-color);border:1px solid var(--border-color);box-shadow:0 2px 10px #0003;border-radius:4px;padding:5px 0;min-width:220px;max-height:300px;overflow-y:auto;z-index:1000;display:none;font-size:13px;color:var(--text-color)}.context-menu .menu-item{padding:8px 15px 8px 35px;cursor:pointer;display:flex;align-items:center;position:relative}.context-menu .menu-item:hover{background-color:var(--header-bg)}.context-menu .menu-item.disabled{color:var(--secondary-text);cursor:default}.context-menu .menu-item.disabled:hover{background-color:transparent}.context-menu .menu-separator{height:1px;background-color:var(--border-color);margin:5px 0}.context-menu .shortcut{margin-left:auto;color:var(--secondary-text);font-size:11px}.context-menu .arrow{margin-left:auto;font-size:10px}.context-menu .menu-icon{position:absolute;left:10px;width:16px;text-align:center;font-size:14px}@media(pointer:coarse){.spreadsheet-container td,.spreadsheet-container th.row-header,.spreadsheet-container tr.var-header-row td,.spreadsheet-container tr.var-header-row th.row-header{min-height:var(--touch-target-min, 44px);height:var(--touch-target-min, 44px)}.spreadsheet-formula-label{min-width:var(--touch-target-min, 44px);min-height:var(--touch-target-min, 44px)}.context-menu .menu-item{min-height:var(--touch-target-min, 44px)}}.spreadsheet-container{touch-action:pan-x pan-y}.spreadsheet-container.panzoom-active{touch-action:none}.spreadsheet-container table{will-change:transform;transform-origin:0 0}.spreadsheet-container[data-zoom-scale]:not([data-zoom-scale="1.00"]):after{content:attr(data-zoom-scale) "x";position:absolute;bottom:8px;right:8px;background:var(--surface-color);border:1px solid var(--border-color);border-radius:4px;padding:4px 8px;font-size:12px;color:var(--secondary-text);pointer-events:none;z-index:50}