/* Base Styles */
.gradient-bg {
    background: linear-gradient(135deg, #001F3F 0%, #0074D9 100%);
}

/* Layout */
.main-content {
    padding-bottom: 4rem;
}

/* Footer */
.footer {
    background-color: #001F3F;
    color: white;
    padding: 1rem;
    text-align: center;
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 30;
}

/* Responsive */
@media (max-width: 768px) {
    .chart-container {
        min-height: 300px;
        margin-bottom: 1rem;
    }
}