.card {
    border: 1px solid #dee2e6;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-header {
    background: linear-gradient(90deg, #1a1a1a, #2a2a2a);
    color: white;
}

.table th {
    font-weight: 600;
    background-color: #f8f9fa;
    font-size: 0.85rem;
    white-space: nowrap;
}

.table th.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 20px;
}

.table th.sortable:hover {
    background-color: #e9ecef;
}

.table th.sortable::after {
    content: '⇅';
    position: absolute;
    right: 5px;
    opacity: 0.3;
    font-size: 0.9rem;
}

.table th.sortable.sort-asc::after {
    content: '▲';
    opacity: 1;
    color: #0d6efd;
}

.table th.sortable.sort-desc::after {
    content: '▼';
    opacity: 1;
    color: #0d6efd;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

.tabular-nums {
    font-family: 'Courier New', Courier, monospace;
    font-variant-numeric: tabular-nums;
}

.trade-buy {
    color: #198754;
}

.trade-sell {
    color: #dc3545;
}

.pagination {
    --bs-pagination-padding-x: 0.5rem;
    --bs-pagination-padding-y: 0.25rem;
    --bs-pagination-font-size: 0.875rem;
}

.gap-3 {
    gap: 1rem !important;
}

.btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
    padding: 10px 20px;
    font-weight: 600;
}

.btn-secondary:hover {
    background-color: #5a6268;
    border-color: #545b62;
}

.alert {
    border-radius: 5px;
}

.price-up {
    color: green;
}

.price-down {
    color: red;
}

.price-same {
    color: black;
}