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var(--header-border);border-bottom:1px solid var(--header-border);font-size:12px;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:background var(--transition-fast);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.column-header:hover{background:var(--bg-hover)}.column-header.selected,.column-header.in-selection{background:var(--header-bg)}.column-header{position:relative}.column-resize-handle{position:absolute;right:0;top:0;bottom:0;width:5px;cursor:col-resize;background:transparent;z-index:10}.column-resize-handle:hover{background:var(--accent-primary)}.spreadsheet-row{display:flex}.row-number{display:flex;align-items:center;justify-content:center;min-width:var(--row-number-width);height:var(--cell-height);background:var(--header-bg);border-right:1px solid var(--header-border);border-bottom:1px solid var(--header-border);font-size:12px;color:var(--text-muted);cursor:pointer;position:sticky;left:0;z-index:5;transition:background var(--transition-fast)}.row-number:hover{background:var(--bg-hover)}.row-number.selected,.row-number.in-selection{background:var(--header-bg)}.cell{display:flex;align-items:center;height:var(--cell-height);padding:0 var(--spacing-sm);background:var(--bg-primary);border-right:1px solid var(--border-default);border-bottom:1px solid var(--border-default);font-size:13px;color:var(--text-primary);cursor:cell;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.cell.selected{background:var(--bg-selected);outline:2px solid var(--selection-border);outline-offset:-1px;border-radius:4px;z-index:10;position:relative;transform:scale(1.015);transform-origin:top left}.cell.in-selection{background:var(--selection-bg)}.cell.formula-ref{outline:2px dashed var(--accent-light);outline-offset:-2px;background:#34d3991a}.cell.editing{padding:0;outline:2px solid var(--accent-primary)}.cell-input{width:100%;height:100%;padding:0 var(--spacing-sm);background:var(--bg-primary);border:none;font-family:var(--font-sans);font-size:13px;color:var(--text-primary);outline:none}.cell.type-number{justify-content:flex-end;font-family:var(--font-mono)}.cell.type-formula{color:var(--accent-primary)}.cell.type-error{color:var(--accent-error);font-style:italic}.cell.type-checkbox{justify-content:center}.cell-checkbox{width:18px;height:18px;accent-color:var(--accent-primary);cursor:pointer}.status-bar{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-xs) var(--spacing-lg);background:var(--bg-secondary);border-top:1px solid var(--border-default);font-size:12px;color:var(--text-muted)}.status-info{display:flex;align-items:center;gap:var(--spacing-lg)}.status-item{display:flex;align-items:center;gap:var(--spacing-xs)}.status-mode{padding:2px 8px;background:var(--accent-primary);color:#fff;border-radius:var(--radius-sm);font-weight:500}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);min-width:400px;max-width:90vw;max-height:90vh;overflow:hidden}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:1px solid var(--border-default)}.modal-title{font-size:16px;font-weight:600;color:var(--text-primary)}.modal-body{padding:var(--spacing-lg);overflow-y:auto}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:var(--spacing-sm);padding:var(--spacing-lg);border-top:1px solid var(--border-default)}