/* DataGrid CSS Library
 * A reusable, customizable CSS Grid-based data grid with resizable columns
 * Version: 1.0.0
 */

/* Container Styles */
.datagrid-container {
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
    overflow-x: auto;
    overflow-y: auto;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    position: relative;
}

/* Grid wrapper for proper scrolling */
.datagrid-wrapper {
    display: inline-block;
    min-width: 100%;
}

/* Grid Layout - Default for pixel-based layouts */
.datagrid-header,
.datagrid-body {
    display: grid;
    width: max-content;
}

/* For flexible layouts with fr/% units, use full width to ensure proper alignment */
.datagrid-flexible-layout .datagrid-header,
.datagrid-flexible-layout .datagrid-body {
    width: 100%;
}

/* Header Styles */
.datagrid-header {
    background: linear-gradient(to bottom, #f8f9fa, #e9ecef);
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

/* Cell Styles */
.datagrid-cell {
    padding: 8px 12px;
    border-right: 1px solid #dee2e6;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: flex;
    align-items: center;
    position: relative;
}

.datagrid-cell:last-child {
    border-right: none;
}

/* Header Cell Specific */
.datagrid-header .datagrid-cell {
    background: transparent;
    user-select: none;
    cursor: pointer;
    transition: background-color 0.2s;
}

.datagrid-header .datagrid-cell:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

/* Dragging States */
.datagrid-header .datagrid-cell.dragging {
    opacity: 0.5;
    cursor: move;
}

.datagrid-header .datagrid-cell.drag-over {
    border-left: 3px solid #007bff;
}

.datagrid-header .datagrid-cell.drag-over-right {
    border-right: 3px solid #007bff;
}

.datagrid-container.dragging-column {
    user-select: none;
}

.datagrid-container.dragging-column * {
    user-select: none !important;
}

/* Prevent resizer from being draggable */
.datagrid-resizer {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
}

/* Drag Ghost */
.datagrid-drag-ghost {
    position: fixed;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.8;
    background: white;
    border: 1px solid #007bff;
    border-radius: 4px;
    padding: 8px 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Body Row Styles */
.datagrid-body .datagrid-row {
    display: contents;
}

.datagrid-body .datagrid-row:nth-child(even) .datagrid-cell {
    background-color: #f8f9fa;
}

.datagrid-body .datagrid-row:hover .datagrid-cell {
    background-color: #e9ecef;
}

.datagrid-body .datagrid-cell {
    border-bottom: 1px solid #dee2e6;
}

/* Column Resizer */
.datagrid-resizer {
    position: absolute;
    top: 0;
    right: -3px;
    width: 6px;
    height: 100%;
    cursor: col-resize;
    z-index: 1;
    background: transparent;
    transition: background-color 0.2s;
}

.datagrid-resizer:hover,
.datagrid-resizer.resizing {
    background-color: #007bff;
}

/* Sorting Indicators */
.datagrid-cell[data-sort-dir] {
    padding-right: 24px;
}

.datagrid-cell[data-sort-dir]::after {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-style: solid;
}

.datagrid-cell[data-sort-dir="asc"]::after {
    border-width: 0 4px 6px 4px;
    border-color: transparent transparent #495057 transparent;
}

.datagrid-cell[data-sort-dir="desc"]::after {
    border-width: 6px 4px 0 4px;
    border-color: #495057 transparent transparent transparent;
}

/* Selection Styles */
.datagrid-body .datagrid-cell.selected {
    background-color: #007bff !important;
    color: white;
}

/* Loading State */
.datagrid-container.loading {
    opacity: 0.6;
    pointer-events: none;
}

.datagrid-container.loading::after {
    content: 'Loading...';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 16px;
    color: #6c757d;
}

/* Empty State */
.datagrid-empty {
    padding: 40px;
    text-align: center;
    color: #6c757d;
    grid-column: 1 / -1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .datagrid-cell {
        padding: 6px 8px;
        font-size: 13px;
    }
}

/* Theme Variations */
.datagrid-container.dark {
    background-color: #1a1a1a;
    border-color: #333;
    color: #e0e0e0;
}

.datagrid-container.dark .datagrid-header {
    background: linear-gradient(to bottom, #2a2a2a, #1f1f1f);
    border-bottom-color: #444;
}

.datagrid-container.dark .datagrid-cell {
    border-color: #333;
}

.datagrid-container.dark .datagrid-header .datagrid-cell:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.datagrid-container.dark .datagrid-body .datagrid-row:nth-child(even) .datagrid-cell {
    background-color: #1f1f1f;
}

.datagrid-container.dark .datagrid-body .datagrid-row:hover .datagrid-cell {
    background-color: #2a2a2a;
}

/* Compact Theme */
.datagrid-container.compact .datagrid-cell {
    padding: 4px 8px;
    font-size: 12px;
}

/* Bordered Theme */
.datagrid-container.bordered .datagrid-cell {
    border: 1px solid #dee2e6;
}