.app-container{display:flex;flex-direction:column;height:100vh;max-width:1200px;margin:0 auto;padding:1rem}.app-tab-container{display:flex;flex-direction:column;height:200px;max-width:1200px;margin:0 auto;padding:1rem}.actions{display:flex;gap:.5rem}.sheet-container{flex:1;overflow:auto;border-radius:0;background-color:#fff}.sheet-container table{width:100%;border-collapse:collapse;table-layout:fixed}.sheet-container tr{border:0}.sheet-container td,.sheet-container th{padding:.5rem;position:relative;min-width:150px;max-width:300px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sheet-container th{background-color:var(--bg-color);font-weight:400;font-size:14px;color:#888;text-align:left;user-select:none}.data-table th{background:#fff;font-weight:400;font-size:14px;color:#888;text-align:left;user-select:none}.data-table-tr{background:#fff}.sheet-container .data-table tr{background:#fff;margin:0;padding:0}tr:hover td{background-color:var(--hover-color)}.sheet-container td:first-child,.sheet-container th:first-child{position:sticky;left:0;z-index:1;width:40px;min-width:40px;max-width:40px;text-align:center;background-color:var(--bg-color)}thead tr{position:sticky;top:0;z-index:2}thead th:first-child{z-index:3}.cell-editable{min-height:24px;cursor:text}.cell-editable.hidden{display:none}.cell-display{min-height:24px;cursor:pointer;margin:auto;width:100%;height:100%}.cell-input{width:100%;padding:.25rem;border:2px solid var(--primary-color);border-radius:3px;font-family:inherit;font-size:inherit;outline:0;background-color:#fff}.add-row{cursor:pointer;color:var(--muted-color);padding:.5rem;text-align:center;background-color:var(--bg-color)}.add-row:hover{background-color:var(--hover-color)}.add-column{cursor:pointer;color:var(--muted-color);padding:.5rem;text-align:center;background-color:var(--bg-color)}.add-column:hover{background-color:var(--hover-color)}.table-wrapper{position:relative;overflow:auto;height:100%}.context-menu{position:absolute;background:#fff;border:1px solid var(--border-color);border-radius:4px;box-shadow:0 2px 10px rgba(0,0,0,.1);z-index:100;display:none}.context-menu.active{display:block}.context-menu ul{list-style:none}.context-menu li{padding:.5rem 1rem;cursor:pointer}.context-menu li:hover{background-color:var(--hover-color)}.resize-handle{position:absolute;right:0;top:0;bottom:0;width:4px;cursor:col-resize;background-color:transparent}.resize-handle:hover{background-color:var(--primary-color)}.column-header,td:first-child{position:relative}.column-header{border-right:1px solid #e2e2e2}.delete-btn{position:absolute;background-color:#f56565;color:#fff;border-radius:50%;font-size:12px;line-height:16px;text-align:center;cursor:pointer;z-index:100;width:16px;height:16px;display:none}.delete-column-btn{top:-8px;right:50%;transform:translateX(50%)}.delete-row-btn{top:50%;left:-8px;transform:translateY(-50%)}th.column-header{background:#fff}.column-header:hover .delete-column-btn,td:first-child:hover .delete-row-btn{display:block}.delete-btn:hover{background-color:#e53e3e}.sheet-container .form-group{margin-bottom:1rem}.sheet-container .form-group label{display:block;margin-bottom:.25rem;font-weight:500}.sheet-container .form-control{width:100%;padding:.5rem;border:1px solid var(--border-color);border-radius:4px;font-family:inherit;font-size:inherit}.status-bar{padding:.5rem;font-size:.875rem;color:var(--muted-color);border-top:1px solid var(--border-color);display:flex;justify-content:space-between}