/* Dynamic Comparison Chart Styles */
.comparison-chart-container {
    margin: 2rem 0;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px var(--shadow-light);
    overflow: hidden;
}

.chart-controls {
    padding: 1.5rem 2rem;
    background: var(--background-light);
    border-bottom: 1px solid var(--border-light);
}

.chart-controls h4 {
    margin: 0 0 1rem 0;
    color: var(--text-dark);
    font-size: 1.3rem;
    font-weight: 600;
}

.chart-options {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.chart-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text-medium);
    cursor: pointer;
    transition: var(--transition);
}

.chart-options label:hover {
    color: var(--primary-purple);
}

.chart-options input[type="radio"] {
    accent-color: var(--primary-purple);
}

.dynamic-chart {
    padding: 2rem;
    position: relative;
    overflow: auto;
    width: 100%;
    text-align: center;
}

.chart-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 400px;
    color: var(--text-medium);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-light);
    border-top: 4px solid var(--primary-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* D3.js Chart Styles */
.chart-svg {
    width: 100%;
    height: auto;
    font-family: var(--font-family);
}

.chart-bar {
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.chart-bar:hover {
    opacity: 0.8;
}

.chart-bar.usa {
    fill: #1f77b4;
}

.chart-bar.australia {
    fill: #ff7f0e;
}

.chart-axis {
    font-size: 12px;
    color: var(--text-medium);
}

.chart-axis path,
.chart-axis line {
    stroke: #2C3E50 !important;
    stroke-width: 2px !important;
}

.chart-axis text {
    fill: #2C3E50 !important;
    font-size: 16px !important;
}

.chart-axis-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.chart-narrative-label {
    font-size: 11px;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
}

.chart-narrative-label:hover {
    fill: var(--primary-purple);
    font-weight: 600;
}

.chart-legend {
    font-size: 14px;
    color: var(--text-dark);
}

.chart-legend-item {
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.chart-legend-item:hover {
    opacity: 0.7;
}

.chart-tooltip {
    position: absolute;
    background: var(--text-dark);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    pointer-events: none;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

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

/* Responsive Chart */
@media (max-width: 768px) {
    .chart-controls {
        padding: 1rem;
    }
    
    .chart-options {
        flex-direction: column;
        gap: 1rem;
    }
    
    .dynamic-chart {
        padding: 1rem;
        min-height: 500px;
    }
    
    .chart-narrative-label {
        font-size: 10px;
    }
    
    .chart-axis {
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .chart-controls h4 {
        font-size: 1.1rem;
    }
    
    .dynamic-chart {
        min-height: 400px;
    }
    
    .chart-narrative-label {
        font-size: 9px;
    }
}