/* Analytics Page Styles */

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.page-title-section {
    flex: 1;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin: 0;
}

.page-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.time-range-selector select {
    min-width: 150px;
}

/* Metrics Overview */
.metrics-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.metric-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.2s ease;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--color-primary);
}

.metric-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: 12px;
    color: var(--color-text-on-primary);
}

.metric-content {
    flex: 1;
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.metric-change {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    display: inline-block;
}

.metric-change.positive {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.metric-change.negative {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
}

.metric-change.neutral {
    background: var(--color-surface-elevated);
    color: var(--color-text-secondary);
}

/* Charts Section */
.charts-section {
    margin-bottom: 3rem;
}

.chart-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.chart-row:last-child {
    margin-bottom: 0;
}

.chart-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
}

.chart-container.full-width {
    grid-column: 1 / -1;
}

.chart-header {
    margin-bottom: 1.5rem;
}

.chart-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.chart-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.chart-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-style: italic;
    margin: 0.25rem 0 0 0;
    line-height: 1.4;
}

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

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.chart-wrapper {
    position: relative;
    height: 300px;
}

.chart-wrapper canvas {
    max-height: 100%;
}

/* Weekly Heatmap */
.heatmap-wrapper {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    align-items: start;
}

.heatmap-days {
    display: grid;
    grid-template-rows: repeat(7, 1fr);
    gap: 2px;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.heatmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(20px, 1fr));
    gap: 2px;
    max-width: 100%;
    overflow-x: auto;
}

.heatmap-cell {
    aspect-ratio: 1;
    border-radius: 2px;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    position: relative;
    cursor: pointer;
    transition: all 0.2s ease;
}

.heatmap-cell:hover {
    transform: scale(1.1);
    z-index: 10;
}

.heatmap-cell.level-0 { background: var(--color-surface-elevated); }
.heatmap-cell.level-1 { background: rgba(76, 112, 79, 0.3); }
.heatmap-cell.level-2 { background: rgba(76, 112, 79, 0.5); }
.heatmap-cell.level-3 { background: rgba(76, 112, 79, 0.7); }
.heatmap-cell.level-4 { background: var(--color-primary); }

/* Insights Section */
.insights-section {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    grid-column: 1 / -1;
}

.insights-content {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
}

.insight-item {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.insight-item strong {
    color: var(--color-text);
    font-weight: 600;
}

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

.insight-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.insight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
}

.insight-type {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.insight-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.insight-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Performance Table */
.performance-section {
    margin-bottom: 3rem;
}

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

.section-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-style: italic;
    margin: 0.5rem 0 1rem 0;
    line-height: 1.4;
}

.section-actions {
    display: flex;
    gap: 1rem;
}

.performance-table-wrapper {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
}

.performance-table {
    width: 100%;
    border-collapse: collapse;
}

.performance-table th {
    background: var(--color-surface-elevated);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.875rem;
}

.performance-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 0.875rem;
}

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

.performance-table tr:hover {
    background: var(--color-surface-hover);
}

.habit-name {
    font-weight: 500;
    color: var(--color-text);
}

.category-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--color-surface-elevated);
    color: var(--color-text-secondary);
}

.completion-rate {
    font-weight: 600;
}

.completion-rate.excellent { color: var(--color-success); }
.completion-rate.good { color: var(--color-primary); }
.completion-rate.fair { color: var(--color-warning); }
.completion-rate.poor { color: var(--color-error); }

.streak-value {
    font-weight: 600;
    color: var(--color-primary);
}

.trend-indicator {
    font-size: 1rem;
}

.trend-up { color: var(--color-success); }
.trend-down { color: var(--color-error); }
.trend-stable { color: var(--color-text-secondary); }

/* Responsive Design */
@media (max-width: 1024px) {
    .chart-row {
        grid-template-columns: 1fr;
    }
    
    .metrics-overview {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .metrics-overview {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .performance-table-wrapper {
        overflow-x: auto;
    }
    
    .performance-table {
        min-width: 600px;
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
    }
}