/* Enhanced section and chart header styling */

/* Section headers */
.section-header {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(79, 70, 229, 0.3);
}

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #4f46e5;
    margin-bottom: 5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.dark-mode .section-header h2 {
    color: #818cf8;
}

/* Chart headers */
.chart-header {
    text-align: center;
    margin-bottom: 20px;
    position: relative;
}

.chart-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #4f46e5;
    display: inline-block;
    padding-bottom: 5px;
    position: relative;
}

.dark-mode .chart-header h3 {
    color: #818cf8;
}

/* Underline effect for chart headers */
.chart-header h3:after {
    content: '';
    position: absolute;
    width: 70%;
    height: 2px;
    background-color: rgba(79, 70, 229, 0.5);
    bottom: 0;
    left: 15%;
    transition: width 0.3s;
}

.chart-header:hover h3:after {
    width: 90%;
    left: 5%;
}

/* Chart descriptions */
.chart-description,
.chart-subtitle {
    text-align: center;
    font-size: 0.9rem;
    color: #64748b;
    margin: 0 auto 15px;
    max-width: 80%;
    font-style: italic;
}

.dark-mode .chart-description,
.dark-mode .chart-subtitle {
    color: #94a3b8;
}

/* Distribution row specific styling */
.distribution-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 25px;
}

.distribution-row .chart-card {
    flex: 0 0 48%;
}

@media (max-width: 768px) {
    .distribution-row {
        flex-direction: column;
    }
    
    .distribution-row .chart-card {
        flex: 0 0 100%;
        margin-bottom: 20px;
    }
}