.leaderboard-container {
    margin-top: 1rem;
    padding: 0.5rem;
}

.leaderboard-subtitle {
    font-size: 0.9rem;
    color: #9de0f6;
    display: block;
    margin-top: 0.5rem;
    font-weight: 400;
}

.leaderboard-card, .challenge-stats-card {
    border: 1px solid #333;
    margin-bottom: 1.5rem;
    background-color: #242424;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.card-header {
    background-color: #1c1c1c;
    border-bottom: 1px solid #333;
    color: #e1e1e1;
}

table.table-dark {
    background-color: #242424;
    color: #e1e1e1;
}

.table-dark thead th {
    background-color: #1c1c1c;
    border-color: #333;
    color: #9de0f6;
}

.table-dark tbody tr {
    border-color: #333;
    transition: background-color 0.3s;
}

.table-dark tbody tr:hover {
    background-color: #2a2a2a;
}

.top-rank {
    font-weight: bold;
}

.rank-1 {
    color: gold;
}

.rank-2 {
    color: silver;
}

.rank-3 {
    color: #cd7f32; /* bronze */
}

.challenge-stat-item {
    background-color: #2c2c2c;
    border-color: #333;
    margin-bottom: 0.5rem;
    color: #e1e1e1;
    transition: transform 0.2s;
}

.challenge-stat-item:hover {
    transform: translateY(-2px);
    background-color: #323232;
}

.challenge-stat-item h5 {
    color: #9de0f6;
}

.daily-leaderboard-info {
    margin-top: 2rem;
    text-align: center;
}

.badge {
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
}

@media (max-width: 992px) {
    .leaderboard-container {
        padding: 0.25rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.4rem;
    }
}