body {
    background-color: #f8f9fa;
}

.navbar-brand {
    font-weight: bold;
}

.card {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: none;
    margin-bottom: 20px;
}

.card-header {
    font-weight: bold;
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

#leaderboardBody tr {
    cursor: pointer;
}

.trend-up {
    color: green;
}

.trend-down {
    color: red;
}

.trend-neutral {
    color: gray;
}

.sentiment-positive {
    color: green;
}

.sentiment-negative {
    color: red;
}

.sentiment-neutral {
    color: gray;
}

@media (max-width: 768px) {
    .chart-container {
        height: 250px;
    }
}

.table-responsive {
    overflow-x: auto;
}

#last-updated {
    color: rgba(255, 255, 255, 0.8);
}

footer {
    margin-top: 2rem;
}