/* Chart Layouts */
.chart-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.chart-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.chart-container {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.chart-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
}

.chart-actions select {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    outline: none;
}

.chart-canvas-wrapper {
    position: relative;
    flex: 1;
    min-height: 250px;
    width: 100%;
}

.chart-canvas-wrapper.large {
    min-height: 350px;
}

/* Custom Legends */
.chart-legend-custom {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-md);
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

/* Metric Cards Grid (often used above charts) */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.metric-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
}

.metric-label {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-value {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--accent-gold);
}

@media (max-width: 1024px) {
    .chart-grid-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .chart-grid-2, .chart-grid-3 {
        grid-template-columns: 1fr;
    }
}