/* ============================================
   CHARTS.CSS - Chart Component Styles
   ============================================ */

.chart-container {
    position: relative;
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5);
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-4);
}

.chart-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
}

.chart-subtitle {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: 2px;
}

.chart-legend {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.chart-legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
}

.chart-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.chart-canvas-wrapper {
    position: relative;
    width: 100%;
    height: 300px;
}

.chart-canvas-wrapper canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Chart actions */
.chart-actions {
    display: flex;
    gap: var(--spacing-2);
}

.chart-action-btn {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-400);
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.chart-action-btn:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

.chart-action-btn.active {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.1);
}

/* Mini sparkline chart */
.sparkline {
    display: inline-flex;
    align-items: flex-end;
    gap: 2px;
    height: 32px;
}

.sparkline-bar {
    width: 4px;
    background: var(--color-primary);
    border-radius: 2px 2px 0 0;
    transition: height var(--transition-base);
    opacity: 0.6;
}

.sparkline-bar:hover {
    opacity: 1;
}

/* Donut/Pie chart center text */
.chart-center-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.chart-center-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    line-height: 1;
}

.chart-center-label {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-1);
}

@media (max-width: 767px) {
    .chart-canvas-wrapper {
        height: 220px;
    }

    .chart-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }
}