/* Executive Reports - Design System */
:root {
    --executive-primary: #1a73e8;
    --executive-success: #34a853;
    --executive-warning: #fbbc04;
    --executive-danger: #ea4335;
    --executive-info: #4285f4;
    --executive-dark: #1f2937;
    --executive-light: #f8fafc;
    --executive-gray-100: #f1f5f9;
    --executive-gray-200: #e2e8f0;
    --executive-gray-300: #cbd5e1;
    --executive-gray-600: #475569;
    --executive-gray-700: #334155;
    --executive-gray-800: #1e293b;
    --executive-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --executive-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --executive-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --executive-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Reports Grid Layout */
.reports-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 0;
}

/* Report Actions */
.report-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-pdf-download {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.2);
}

.btn-pdf-download:hover {
    background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.3);
}

.btn-pdf-download i {
    font-size: 1rem;
}

/* Executive KPIs */
.executive-kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.kpi-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--executive-shadow);
    border: 1px solid var(--executive-gray-200);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color), transparent);
    transition: all 0.3s ease;
}

.kpi-card.primary {
    --color: var(--executive-primary);
}

.kpi-card.success {
    --color: var(--executive-success);
}

.kpi-card.warning {
    --color: var(--executive-warning);
}

.kpi-card.info {
    --color: var(--executive-info);
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--executive-shadow-lg);
}

.kpi-card:hover::before {
    height: 6px;
}

.kpi-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.kpi-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color), color-mix(in srgb, var(--color) 80%, black));
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--executive-shadow);
}

.kpi-content {
    flex: 1;
}

.kpi-value {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--executive-gray-800);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.kpi-label {
    font-size: 0.875rem;
    color: var(--executive-gray-600);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.kpi-trend {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.kpi-trend.positive {
    color: var(--executive-success);
}

.kpi-trend.negative {
    color: var(--executive-danger);
}

.kpi-trend i {
    font-size: 0.75rem;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card {
    background: white;
    border-radius: 16px;
    box-shadow: var(--executive-shadow);
    border: 1px solid var(--executive-gray-200);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chart-card:hover {
    box-shadow: var(--executive-shadow-lg);
    transform: translateY(-2px);
}

.chart-card.large {
    grid-column: span 8;
}

.chart-card.medium {
    grid-column: span 4;
}

.chart-header {
    padding: 1.5rem 2rem 1rem;
    border-bottom: 1px solid var(--executive-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.chart-title h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--executive-gray-800);
    margin: 0 0 0.25rem 0;
}

.chart-title p {
    font-size: 0.875rem;
    color: var(--executive-gray-600);
    margin: 0;
}

.chart-controls {
    display: flex;
    gap: 0.5rem;
    background: var(--executive-gray-100);
    padding: 0.25rem;
    border-radius: 8px;
}

.chart-filter {
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--executive-gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
}

.chart-filter.active,
.chart-filter:hover {
    background: white;
    color: var(--executive-primary);
    box-shadow: var(--executive-shadow-sm);
}

.chart-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-chart-action {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--executive-gray-100);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--executive-gray-600);
}

.btn-chart-action:hover {
    background: var(--executive-primary);
    color: white;
    transform: scale(1.05);
}

.chart-period select {
    border: 1px solid var(--executive-gray-300);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    background: white;
    color: var(--executive-gray-700);
}

.chart-legend-toggle .btn-legend {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--executive-gray-100);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--executive-gray-600);
}

.chart-metrics {
    display: flex;
    gap: 1rem;
}

.metric-small {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.metric-small .metric-label {
    font-size: 0.75rem;
    color: var(--executive-gray-600);
    margin-bottom: 0.25rem;
}

.metric-small .metric-value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--executive-gray-800);
}

.chart-container {
    padding: 1.5rem 2rem 2rem;
    position: relative;
    height: 280px;
}

.chart-card.large .chart-container {
    height: 320px;
}

/* Heatmap Styles */
.heatmap-container {
    padding: 1rem;
    height: 100% !important;
    max-height: 280px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.heatmap-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    min-height: 0;
}

.heatmap-labels {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.heatmap-labels .label {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--executive-gray-600);
    padding: 0.5rem;
}

.heatmap-cells {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
    flex: 1;
    max-height: 150px;
}

.heatmap-cell {
    aspect-ratio: 1;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    min-height: 16px;
    max-height: 24px;
}

.heatmap-cell.level-0 {
    background: var(--executive-gray-100);
}

.heatmap-cell.level-1 {
    background: color-mix(in srgb, var(--executive-primary) 20%, var(--executive-gray-100));
}

.heatmap-cell.level-2 {
    background: color-mix(in srgb, var(--executive-primary) 40%, var(--executive-gray-100));
}

.heatmap-cell.level-3 {
    background: color-mix(in srgb, var(--executive-primary) 60%, var(--executive-gray-100));
}

.heatmap-cell.level-4 {
    background: var(--executive-primary);
}

.heatmap-cell:hover {
    transform: scale(1.1);
    box-shadow: var(--executive-shadow);
}

.heatmap-legend {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    font-size: 0.75rem;
    color: var(--executive-gray-600);
    flex-shrink: 0;
}

.legend-scale {
    display: flex;
    gap: 0.125rem;
}

.scale-cell {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

/* Insights Panel */
.insights-panel {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 2rem;
    color: white;
}

.insights-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.insights-header h4 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.insights-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.insight-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.insight-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.insight-card {
    display: flex;
    gap: 1rem;
}

.insight-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    color: currentColor;
}

.insight-icon i {
    color: inherit;
}

.insight-content h5 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    font-weight: 600;
}

.insight-content p {
    margin: 0;
    font-size: 0.875rem;
    opacity: 0.9;
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .chart-card.large {
        grid-column: span 12;
    }
    
    .chart-card.medium {
        grid-column: span 6;
    }
}

@media (max-width: 768px) {
    .executive-kpis {
        grid-template-columns: 1fr;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .chart-card.large,
    .chart-card.medium {
        grid-column: span 1;
    }
    
    .chart-header {
        padding: 1rem 1.5rem 0.75rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .chart-container {
        
        height: 240px;
    }
    
    .kpi-card {
        padding: 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
    }
    
    .insights-panel {
        padding: 1.5rem;
    }
}

/* Animation Utilities */
@keyframes slideInUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.chart-card {
    animation: slideInUp 0.5s ease-out;
}

.kpi-card {
    animation: slideInUp 0.5s ease-out;
}

/* Chart Loading States */
.chart-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--executive-gray-600);
    font-size: 0.875rem;
}

.chart-loading i {
    margin-right: 0.5rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* No Data States */
.chart-no-data {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--executive-gray-600);
    text-align: center;
}

.chart-no-data i {
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.chart-no-data p {
    margin: 0;
    font-size: 0.875rem;
}