/* ==========================================================================
   AI Fairness Observatory - Chart Styles
   Pure CSS/SVG charts for IPFS compatibility (no external dependencies)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Headline Findings Banner
   -------------------------------------------------------------------------- */
.findings-banner {
    padding: var(--space-12) 0;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.headline-findings {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.headline-card {
    text-align: center;
    padding: var(--space-8);
    border-left: 4px solid var(--color-border);
}

.headline-card.finding-critical {
    border-left-color: var(--color-danger);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.08) 0%, transparent 100%);
}

.headline-card.finding-warning {
    border-left-color: var(--color-warning);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, transparent 100%);
}

.finding-icon {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-3);
}

.finding-stat {
    font-size: var(--text-4xl);
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-3);
}

.finding-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* --------------------------------------------------------------------------
   Chart Containers
   -------------------------------------------------------------------------- */
.chart-container {
    margin-bottom: var(--space-10);
}

.chart-container h3 {
    margin-bottom: var(--space-2);
}

.chart-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-8);
}

.chart-context {
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* --------------------------------------------------------------------------
   Bar Chart
   -------------------------------------------------------------------------- */
.bar-chart {
    margin: var(--space-8) 0;
}

.chart-row {
    display: grid;
    grid-template-columns: 180px 1fr 60px;
    gap: var(--space-4);
    align-items: center;
    margin-bottom: var(--space-4);
    padding: var(--space-3) 0;
}

.chart-row.highlight-disparity {
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-left: calc(-1 * var(--space-4));
    margin-right: calc(-1 * var(--space-4));
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

.chart-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
}

.chart-bar-container {
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    height: 32px;
    overflow: hidden;
}

.chart-bar {
    height: 100%;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    padding: 0 var(--space-3);
    transition: width 0.8s var(--ease-spring);
}

.bar-strong {
    background: linear-gradient(90deg, #10b981, #059669);
}

.bar-moderate {
    background: linear-gradient(90deg, #f59e0b, #d97706);
}

.bar-none {
    background: linear-gradient(90deg, #ef4444, #dc2626);
}

.bar-value {
    font-size: var(--text-xs);
    font-weight: 600;
    color: white;
    white-space: nowrap;
}

.chart-percent {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-align: right;
}

.chart-percent.disparity {
    color: var(--color-danger);
    font-weight: 700;
}

.chart-legend {
    display: flex;
    gap: var(--space-6);
    margin-top: var(--space-6);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-sm);
}

.legend-color.strong {
    background: linear-gradient(90deg, #10b981, #059669);
}

.legend-color.moderate {
    background: linear-gradient(90deg, #f59e0b, #d97706);
}

.legend-color.none {
    background: linear-gradient(90deg, #ef4444, #dc2626);
}

/* --------------------------------------------------------------------------
   Heat Map
   -------------------------------------------------------------------------- */
.heat-map {
    margin: var(--space-8) 0;
    overflow-x: auto;
}

.heatmap-header {
    display: grid;
    grid-template-columns: 160px repeat(4, 1fr);
    gap: 2px;
    margin-bottom: 2px;
}

.heatmap-corner {
    background: transparent;
}

.heatmap-col-label {
    background: var(--color-surface);
    padding: var(--space-3);
    text-align: center;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.heatmap-row {
    display: grid;
    grid-template-columns: 160px repeat(4, 1fr);
    gap: 2px;
    margin-bottom: 2px;
}

.heatmap-row-label {
    background: var(--color-surface);
    padding: var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
    display: flex;
    align-items: center;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.heatmap-cell {
    padding: var(--space-4);
    text-align: center;
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: transform var(--transition-fast);
    cursor: default;
}

.heatmap-cell:hover {
    transform: scale(1.05);
    z-index: 1;
}

.cell-value {
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.severity-high {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

.severity-medium {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.severity-low {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.severity-none {
    background: var(--color-surface-elevated);
}

.severity-none .cell-value {
    color: var(--color-text-muted);
    text-shadow: none;
}

.heatmap-legend {
    display: flex;
    gap: var(--space-6);
    margin-top: var(--space-6);
    flex-wrap: wrap;
}

.legend-swatch {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-sm);
    display: inline-block;
}

/* --------------------------------------------------------------------------
   Forest Plot
   -------------------------------------------------------------------------- */
.forest-plot {
    margin: var(--space-8) 0;
    position: relative;
    padding-top: var(--space-8);
}

.forest-zero-line {
    position: absolute;
    left: 220px;
    right: 80px;
    top: 0;
    bottom: 0;
    border-left: 2px dashed var(--color-border);
    pointer-events: none;
}

.forest-threshold {
    position: absolute;
    top: 0;
    transform: translateX(-50%);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.forest-threshold span {
    background: var(--color-background);
    padding: 0 var(--space-2);
}

.forest-row {
    display: grid;
    grid-template-columns: 200px 1fr 100px;
    gap: var(--space-4);
    align-items: center;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border);
}

.forest-row:last-child {
    border-bottom: none;
}

.forest-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
}

.forest-plot-area {
    position: relative;
    height: 24px;
    background: var(--color-surface);
    border-radius: var(--radius-sm);
}

.forest-ci {
    position: absolute;
    top: 50%;
    height: 4px;
    background: var(--color-accent);
    opacity: 0.5;
    transform: translateY(-50%);
    border-radius: 2px;
}

.forest-point {
    position: absolute;
    top: 50%;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.forest-point:hover {
    transform: translate(-50%, -50%) scale(1.3);
}

.effect-negligible {
    background: var(--color-text-muted);
}

.effect-small {
    background: #3b82f6;
}

.effect-medium {
    background: #f59e0b;
}

.effect-large {
    background: #ef4444;
}

.forest-value {
    font-size: var(--text-sm);
    font-family: var(--font-mono);
    color: var(--color-text-secondary);
    text-align: right;
}

.forest-legend {
    margin-top: var(--space-6);
}

.legend-row {
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    border: 2px solid white;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* --------------------------------------------------------------------------
   Medication Comparison
   -------------------------------------------------------------------------- */
.medication-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-6);
    align-items: stretch;
    margin: var(--space-8) 0;
}

.med-group {
    text-align: center;
}

.med-group h4 {
    margin-bottom: var(--space-4);
    font-size: var(--text-base);
}

.med-card {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    text-align: center;
}

.med-card.first-gen {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(239, 68, 68, 0.05));
    border: 2px solid rgba(239, 68, 68, 0.3);
}

.med-card.atypical {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
    border: 2px solid rgba(16, 185, 129, 0.3);
}

.med-type {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.first-gen .med-type {
    color: var(--color-danger);
}

.atypical .med-type {
    color: var(--color-success);
}

.med-examples {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.med-concerns, .med-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: center;
}

.concern-badge {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
}

.benefit-badge {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
}

.med-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    color: var(--color-text-muted);
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   Methodology Stats
   -------------------------------------------------------------------------- */
.methodology-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-10);
}

.methodology-stats .stat-card {
    text-align: center;
}

.methodology-stats .stat-number {
    font-family: var(--font-mono);
}

.stat-detail {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

.methodology-note {
    text-align: center;
}

.methodology-note h4 {
    margin-bottom: var(--space-3);
}

.methodology-note p {
    font-size: var(--text-sm);
    max-width: 600px;
    margin: 0 auto var(--space-4);
}

.methodology-link {
    margin-top: var(--space-6);
}

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .headline-findings {
        grid-template-columns: 1fr;
    }
    
    .methodology-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .chart-row {
        grid-template-columns: 120px 1fr 50px;
    }
    
    .heatmap-header,
    .heatmap-row {
        grid-template-columns: 120px repeat(4, 80px);
    }
    
    .forest-row {
        grid-template-columns: 150px 1fr 80px;
    }
    
    .medication-comparison {
        grid-template-columns: 1fr;
    }
    
    .med-divider {
        transform: rotate(90deg);
        padding: var(--space-4) 0;
    }
    
    .methodology-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .chart-row {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }
    
    .chart-percent {
        text-align: left;
    }
    
    .heatmap-header,
    .heatmap-row {
        grid-template-columns: 100px repeat(4, 60px);
        font-size: var(--text-xs);
    }
    
    .forest-row {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }
    
    .forest-value {
        text-align: left;
    }
    
    .methodology-stats {
        grid-template-columns: 1fr;
    }
}