.chart-card {
    background: linear-gradient(to right bottom, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.3));
    backdrop-filter: blur(2rem);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.chart-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, #1a73e8, #34a853);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stats-card {
    background: linear-gradient(to right bottom, #ffffff, #f8f9fa);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.stats-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, #1a73e8, #34a853);
    box-shadow: 0 4px 20px rgba(26, 115, 232, 0.3);
}

.stats-icon i {
    font-size: 2rem;
    color: white;
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a73e8;
    margin: 0.5rem 0;
    line-height: 1;
}

.stats-label {
    font-size: 0.875rem;
    color: #5f6368;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.chart-container {
    padding: 1rem;
    border-radius: 1rem;
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.chart-legend {
    margin-top: 1rem;
    padding: 0.5rem;
    border-radius: 0.5rem;
    background: rgba(248, 249, 250, 0.5);
}

.chart-tooltip {
    background: rgba(0, 0, 0, 0.8) !important;
    border-radius: 0.5rem !important;
    padding: 0.75rem !important;
    color: white !important;
    font-size: 0.875rem !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2) !important;
}