.chart-container {
    position: relative;
    width: 100%;
}

.chart-wrapper {
    position: relative;
    width: 100%;
    padding: var(--spacing-md);
}

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

.mini-chart {
    position: relative;
    width: 100%;
    height: 60px;
}

.mini-chart canvas {
    width: 100% !important;
    height: 60px !important;
}

.chart-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
}

.chart-container.loading .chart-loading {
    display: block;
}

.chart-container.loading .chart-wrapper {
    opacity: 0.3;
}

.chart-error {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 300px;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.chart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    color: var(--color-gray-400);
}

.chart-empty-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.chart-empty-text {
    font-size: var(--font-size-sm);
}

.chart-tooltip {
    position: absolute;
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    pointer-events: none;
    z-index: 1000;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.chart-tooltip.show {
    opacity: 1;
}

.chart-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.chart-control-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    transition: var(--transition-base);
}

.chart-control-btn:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-900);
}

.chart-control-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
}

@media (max-width: 768px) {
    .chart-wrapper {
        padding: var(--spacing-sm);
    }
    
    .main-chart .chart-wrapper {
        height: 250px;
    }
    
    .half-chart .chart-wrapper {
        height: 200px;
    }
}