.coin-card-hover:hover {
        background-color: #1c1c1c;
        transition: background-color 0.3s;
    }
    .crypto-market-card {
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%) !important;
}

.market-stat-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.05);
    height: 100%;
}

.market-stat-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.1);
}

.chart-container {
    min-height: 300px;
}

.time-period-selector .btn {
    color: rgba(255, 255, 255, 0.7);
    border-color: rgba(255, 255, 255, 0.1);
}

.time-period-selector .btn.active {
    background: rgba(75, 192, 192, 0.2);
    color: #4bc0c0;
    border-color: rgba(75, 192, 192, 0.3);
}

.text-orange {
    color: #f7931a !important;
}

.positive {
    background-color: rgba(40, 167, 69, 0.2) !important;
    color: #28a745 !important;
}

.negative {
    background-color: rgba(220, 53, 69, 0.2) !important;
    color: #dc3545 !important;
}

.dropdown-menu {
    background-color: #2a2a40;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dropdown-item {
    color: rgba(255, 255, 255, 0.7);
}

.dropdown-item:hover, .dropdown-item:focus {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.dropdown-item.active {
    background-color: rgba(75, 192, 192, 0.2);
    color: #4bc0c0;
}

.error-message {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.3);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.error-message i {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #dc3545;
}

.crypto-market-card {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.market-stat-card {
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.market-stat-card:hover {
    background: rgba(255, 255, 255, 0.1);
}

.time-period-selector .btn {
    color: rgba(255, 255, 255, 0.7);
    border-color: rgba(255, 255, 255, 0.1);
}

.time-period-selector .btn.active {
    background: rgba(75, 192, 192, 0.2);
    color: #4bc0c0;
    border-color: rgba(75, 192, 192, 0.3);
}

.badge.positive {
    background-color: rgba(40, 167, 69, 0.2) !important;
    color: #28a745 !important;
}

.badge.negative {
    background-color: rgba(220, 53, 69, 0.2) !important;
    color: #dc3545 !important;
}