/**
 * Chart with Table Toggle Styles
 * 
 * Accessible chart wrapper with data table alternative
 * Based on data-visualization and accessibility-a11y skills
 */

.chart-table-wrapper {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

/* Caption */
.chart-table-caption {
    margin-bottom: var(--space-3);
}

.chart-title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    margin: 0 0 var(--space-1) 0;
}

.chart-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

/* Toggle Controls */
.chart-table-controls {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.view-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all 150ms;
}

.view-toggle-btn:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border-focus, var(--color-info));
}

.view-toggle-btn:focus {
    outline: 2px solid var(--color-info);
    outline-offset: 2px;
}

.view-toggle-btn--active {
    background: var(--color-info-bg, #dbeafe);
    border-color: var(--color-info);
    color: var(--color-info);
}

.view-toggle-btn--active:hover {
    background: var(--color-info-bg, #dbeafe);
}

/* Content Area */
.chart-table-content {
    min-height: 250px;
}

/* Chart View */
.chart-view {
    height: 250px;
}

.chart-view--active {
    display: block;
}

.chart-view--hidden {
    display: none;
}

/* Table View */
.table-view {
    display: none;
}

.table-view--active {
    display: block;
}

.table-view--hidden {
    display: none;
}

/* Data Table */
.data-table-wrapper {
    overflow-x: auto;
    max-width: 100%;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.data-table caption {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.data-table th {
    padding: var(--space-3);
    text-align: left;
    font-weight: var(--font-semibold);
    color: var(--color-text-secondary);
    background: var(--color-bg-elevated);
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}

.data-table th[scope="col"]:hover {
    cursor: pointer;
    background: var(--color-bg-hover);
}

.data-table td {
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}

.data-table__row--highlighted {
    background-color: var(--color-warning-bg, #fef3c7);
}

.data-table__row--highlighted:hover {
    background-color: var(--color-warning-bg-hover, #fde68a);
}

.data-table__cell--numeric {
    text-align: right;
    font-family: var(--font-mono, monospace);
}

/* Note at bottom */
.data-table-note {
    padding: var(--space-3);
    text-align: center;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
}

/* Screen reader info region */
#chart-table-announcer {
    position: fixed;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Responsive */
@media (max-width: 640px) {
    .chart-table-wrapper {
        padding: var(--space-3);
    }
    
    .chart-table-controls {
        flex-direction: column;
    }
    
    .data-table {
        font-size: var(--text-xs);
    }
    
    .data-table th,
    .data-table td {
        padding: var(--space-2);
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .view-toggle-btn--active {
        border-width: 3px;
    }
    
    .data-table th {
        border-bottom: 3px solid currentColor;
    }
    
    .data-table td {
        border-bottom: 2px solid currentColor;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .view-toggle-btn {
        transition: none;
    }
}