/* UI Chart Component Styles */

/* Container */
.ui-chart {
    position: relative;
    width: 100%;
}

.ui-chart.chart-responsive {
    height: auto;
}

.ui-chart.chart-in-card {
    margin: 0;
}

/* Chart sizes */
.ui-chart.chart-extra-small {
    max-height: 200px;
}

.ui-chart.chart-small {
    max-height: 250px;
}

.ui-chart.chart-normal {
    max-height: 300px;
}

.ui-chart.chart-large {
    max-height: 400px;
}

.ui-chart.chart-extra-large {
    max-height: 500px;
}

.ui-chart.chart-huge {
    max-height: 600px;
}

/* Chart Canvas */
.chart-canvas-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.chart-canvas {
    max-width: 100%;
    height: auto;
}

/* Specific chart type containers */
.ui-chart-pie .chart-canvas-container,
.ui-chart-doughnut .chart-canvas-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

.ui-chart-bar .chart-canvas-container,
.ui-chart-line .chart-canvas-container,
.ui-chart-area .chart-canvas-container {
    min-height: 300px;
}

.ui-chart-radar .chart-canvas-container,
.ui-chart-polararea .chart-canvas-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

/* Loading State */
.chart-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    padding: 2rem;
    text-align: center;
}

.chart-loading .spinner-border {
    width: 3rem;
    height: 3rem;
    margin-bottom: 1rem;
}

.chart-loading p {
    margin: 0;
    color: var(--icon);
    font-size: 0.875rem;
}

/* Error State */
.chart-error {
    padding: 1rem;
    text-align: center;
}

.chart-error .alert {
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.chart-error .alert i {
    font-size: 1.125rem;
}

/* No Data State */
.chart-no-data {
    padding: 1rem;
    text-align: center;
}

.chart-no-data .alert {
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.chart-no-data .alert i {
    font-size: 1.125rem;
}

/* Chart legend customization */
.ui-chart .chart-canvas-container canvas {
    margin-bottom: 0;
}

/* Selectable Chart Legend */
.chart-legend-selectable {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: flex-end;
    position: relative;
    justify-content: end;
}

.chart-legend-selectable .legend-item {
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    margin: 0;
    flex-shrink: 0;
    background-color: transparent;
}

.chart-legend-selectable .legend-item input[type="checkbox"] {
    cursor: pointer;
    margin: 0 0.4rem 0 0;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.chart-legend-selectable .legend-item input[type="checkbox"]:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.chart-legend-selectable .legend-color-box {
    width: 12px;
    height: 12px;
    border: 1px solid var(--border);
    border-radius: 2px;
    margin-right: 0.4rem;
    margin-left: 1.5rem;
    flex-shrink: 0;
    transition: opacity 0.2s ease;
}

.chart-legend-selectable .legend-item label {
    cursor: pointer;
    margin: 0;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--icon);
    transition: color 0.2s ease;
    user-select: none;
    white-space: nowrap;
}

.chart-legend-selectable .legend-item:hover label {
    color: var(--primary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .ui-chart.chart-large,
    .ui-chart.chart-extra-large,
    .ui-chart.chart-huge {
        max-height: 300px;
    }
    
    .ui-chart-pie .chart-canvas-container,
    .ui-chart-doughnut .chart-canvas-container,
    .ui-chart-bar .chart-canvas-container,
    .ui-chart-line .chart-canvas-container,
    .ui-chart-area .chart-canvas-container,
    .ui-chart-radar .chart-canvas-container,
    .ui-chart-polararea .chart-canvas-container {
        min-height: 250px;
    }
    
    .chart-loading {
        min-height: 250px;
        padding: 1rem;
    }
    
    .ui-chart.chart-in-card .card-header {
        padding: 0.5rem 0.75rem;
    }
    
    .ui-chart.chart-in-card .card-header .card-title {
        font-size: 0.875rem;
    }
    
    .ui-chart.chart-in-card .card-body {
        padding: 0.75rem;
    }
}

@media (max-width: 576px) {
    .ui-chart {
        margin-bottom: 1rem;
    }
    
    .ui-chart-pie .chart-canvas-container,
    .ui-chart-doughnut .chart-canvas-container,
    .ui-chart-bar .chart-canvas-container,
    .ui-chart-line .chart-canvas-container,
    .ui-chart-area .chart-canvas-container,
    .ui-chart-radar .chart-canvas-container,
    .ui-chart-polararea .chart-canvas-container {
        min-height: 200px;
    }
    
    .chart-loading {
        min-height: 200px;
        padding: 0.75rem;
    }
    
    .chart-loading .spinner-border {
        width: 2rem;
        height: 2rem;
    }
    
    .chart-loading p {
        font-size: 0.75rem;
    }
}

/* Accessibility improvements */
.chart-canvas:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .ui-chart {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .chart-loading,
    .chart-error,
    .chart-no-data {
        display: none !important;
    }
    
    .chart-canvas-container {
        display: block !important;
    }
}

/* Animation for state transitions */
.chart-loading,
.chart-error,
.chart-no-data,
.chart-canvas-container {
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.chart-loading.fade-out,
.chart-error.fade-out,
.chart-no-data.fade-out {
    opacity: 0;
    transform: translateY(-10px);
}

.chart-canvas-container.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .chart-loading,
    .chart-error,
    .chart-no-data,
    .chart-canvas-container {
        transition: none;
    }
}