/* Population Data Rendering Styles */

/* Population Container Layout */
.population-data-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

/* Insights Panel */
.population-insights {
    background: linear-gradient(135deg, rgba(33, 159, 172, 0.03) 0%, rgba(249, 177, 64, 0.02) 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border-left: 4px solid var(--primary-color);
    margin-bottom: var(--space-lg);
}

.population-insights h4 {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--space-lg) 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.insight-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-md);
    border: 1px solid rgba(33, 159, 172, 0.1);
}

.insight-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.insight-value {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.insight-value.growth-positive {
    color: #27ae60;
}

.insight-value.growth-negative {
    color: #e74c3c;
}

/* Two-Panel Layout */
.data-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

.data-panel {
    background: var(--light-bg);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.panel-header {
    background: linear-gradient(135deg, #f8fafb 0%, #ffffff 100%);
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h4 {
    margin: 0;
    color: var(--primary-color);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
}


/* Table Panel */
.table-panel .table-responsive {
    margin: 0;
}

.table-panel .data-table {
    margin: 0;
    border-radius: 0;
}

/* Chart Panel */
.chart-panel {
    min-height: 380px; /* Increased to accommodate legend below */
}

/* Age Evolution Chart */
.age-evolution-chart {
    padding: var(--space-lg);
    background: linear-gradient(135deg, #fafbfc 0%, #ffffff 100%);
    min-height: 280px;
}

.population-chart-svg {
    width: 100%;
    height: auto;
    max-height: 300px;
}

.age-line {
    transition: stroke-width 0.2s ease;
}

.age-line:hover {
    stroke-width: 4;
}

.data-point {
    transition: r 0.2s ease;
    cursor: pointer;
}

.data-point:hover {
    r: 6;
}

.axis-label {
    font-size: 10px;
    fill: var(--text-secondary);
    font-family: system-ui, -apple-system, sans-serif;
}

.chart-title {
    font-size: 12px;
    fill: var(--primary-color);
    font-weight: 600;
    font-family: system-ui, -apple-system, sans-serif;
}

.legend-label {
    font-size: 10px;
    fill: var(--text-primary);
    font-family: system-ui, -apple-system, sans-serif;
}

.legend-item {
    cursor: pointer;
}

.legend-item:hover .legend-label {
    fill: var(--primary-color);
    font-weight: 600;
}

/* Chart Legend Below Graph */
.chart-legend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.chart-legend .legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.chart-legend .legend-item:hover {
    background: rgba(33, 159, 172, 0.05);
}

.legend-color {
    width: 16px;
    height: 3px;
    border-radius: 2px;
}

.chart-legend .legend-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.chart-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    pointer-events: none;
    z-index: 100;
    transition: opacity 0.2s ease;
}

.tooltip-content {
    font-weight: var(--font-weight-medium);
}


/* Enhanced Table Styling for Population */
.population-table .sticky-left {
    position: sticky;
    left: 0;
    z-index: 5;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a7f89 100%);
    color: white;
}

.population-table .year-cell {
    background: linear-gradient(135deg, #f8fafb 0%, #ffffff 100%) !important;
    color: var(--primary-color) !important;
    font-weight: var(--font-weight-bold);
}

.population-table .total-column {
    background: linear-gradient(135deg, var(--accent-color) 0%, #e09a2b 100%);
    color: white;
}

.population-table .total-cell {
    background: linear-gradient(135deg, rgba(249, 177, 64, 0.1) 0%, rgba(249, 177, 64, 0.05) 100%) !important;
    color: var(--accent-color) !important;
    font-weight: var(--font-weight-bold);
}

.population-table .number-cell {
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.population-table td,
.population-table th {
    text-align: center;
    vertical-align: middle;
}

.population-table .sticky-left {
    text-align: center;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .data-panels {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .age-evolution-chart {
        min-height: 200px;
        padding: var(--space-lg);
    }
}

/* Population Tables */
.population-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--light-bg);
}

.population-table th {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a7f89 100%);
    color: white;
    font-weight: var(--font-weight-semibold);
    text-align: center;
    padding: var(--space-lg);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.population-table td {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    background: var(--light-bg);
    font-size: var(--font-size-sm);
}

.population-table tr:nth-child(even) td {
    background: linear-gradient(135deg, rgba(33, 159, 172, 0.01) 0%, rgba(33, 159, 172, 0.02) 100%);
}

.population-table tr:hover td {
    background: linear-gradient(135deg, rgba(33, 159, 172, 0.04) 0%, rgba(249, 177, 64, 0.02) 100%);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.population-table tr:last-child td {
    border-bottom: none;
}

/* Age Group Styling */
.age-group-header {
    background: linear-gradient(135deg, rgba(33, 159, 172, 0.1) 0%, rgba(33, 159, 172, 0.05) 100%);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.age-percentage {
    font-weight: var(--font-weight-semibold);
    color: var(--accent-color);
}

/* Population Insights */
.population-insights {
    background: linear-gradient(135deg, rgba(33, 159, 172, 0.03) 0%, rgba(249, 177, 64, 0.02) 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin: var(--space-lg) 0;
    border-left: 4px solid var(--primary-color);
}

.population-insights h4 {
    color: var(--primary-color);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.population-insights h4::before {
    content: '📊';
    font-size: 1.2em;
}

.population-insights ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.population-insights li {
    padding: var(--space-sm) 0;
    color: var(--text-color);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    position: relative;
    padding-left: var(--space-lg);
}

.population-insights li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: var(--font-weight-bold);
}

.population-insights .highlight {
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
}

/* Population Summary Cards */
.population-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-lg) 0;
}

.population-metric {
    background: linear-gradient(145deg, #ffffff 0%, #fafbfc 100%);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02), 0 1px 2px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(33, 159, 172, 0.08);
    text-align: center;
    transition: var(--transition);
}

.population-metric:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 159, 172, 0.12);
}

.population-metric-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--space-xs);
}

.population-metric-label {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .population-table th,
    .population-table td {
        padding: var(--space-md);
        font-size: var(--font-size-xs);
    }
    
    .population-insights {
        padding: var(--space-lg);
    }
    
    .population-summary {
        grid-template-columns: 1fr;
    }
    
    .population-metric {
        padding: var(--space-lg);
    }
}

@media (max-width: 480px) {
    /* Stack table content for population data */
    .population-table,
    .population-table thead,
    .population-table tbody,
    .population-table th,
    .population-table td,
    .population-table tr {
        display: block;
    }
    
    .population-table thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }
    
    .population-table tr {
        border: 1px solid var(--border-light);
        margin-bottom: 0.5rem;
        padding: 0.5rem;
        border-radius: var(--radius-md);
        background: var(--light-bg);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    }
    
    .population-table td {
        border: none;
        padding: 0.5rem 0;
        position: relative;
        padding-left: 50% !important;
    }
    
    .population-table td:before {
        content: attr(data-label) ": ";
        position: absolute;
        left: 0;
        width: 45%;
        padding-right: 10px;
        white-space: nowrap;
        font-weight: var(--font-weight-semibold);
        color: var(--primary-color);
        text-transform: uppercase;
        font-size: var(--font-size-xs);
    }
}