.analytics-charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding: 1rem 0;
}

.analytics-chart-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    padding: 1.25rem;
    min-height: 320px;
    display: flex;
    flex-direction: column;
}

.analytics-chart-container {
    flex: 1;
    position: relative;
    min-height: 280px;
}

.analytics-chart-container canvas {
    width: 100% !important;
    height: 100% !important;
}

.analytics-empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 200px;
    color: #9ca3af;
    font-size: 0.95rem;
    text-align: center;
}

.dark-mode .analytics-chart-card,
[data-theme="dark"] .analytics-chart-card {
    background: #1e293b;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.dark-mode .analytics-empty-state,
[data-theme="dark"] .analytics-empty-state {
    color: #64748b;
}

@media (max-width: 768px) {
    .analytics-charts-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .analytics-chart-card {
        min-height: 260px;
        padding: 1rem;
    }

    .analytics-chart-container {
        min-height: 220px;
    }
}